/* Ragsmith Web UI Styles */

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #1a1a2e;
    color: #eee;
    height: 100%;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

@supports (-webkit-touch-callout: none) {
    body { height: -webkit-fill-available; }
}

/* ============================================================================
   Header
   ============================================================================ */
header {
    padding: 0.75rem 1rem;
    background: #16213e;
    border-bottom: 1px solid #0f3460;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 1;
}

header h1 {
    font-size: 1.25rem;
    color: #e94560;
    flex-shrink: 0;
}

.header-status {
    font-size: 0.85rem;
    color: #888;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mode-indicator {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
    flex-shrink: 0;
}

.mode-indicator.teacher { background: #7c3aed; color: #fff; }
.mode-indicator.model { background: #0369a1; color: #fff; }

/* ============================================================================
   Hamburger Menu Button
   ============================================================================ */
.hamburger {
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 8px;
    border-radius: 4px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.hamburger:hover {
    background: rgba(233, 69, 96, 0.2);
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #e94560;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

/* ============================================================================
   Menu Overlay
   ============================================================================ */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================================================
   Slide-out Menu Panel
   ============================================================================ */
.menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 360px;
    max-width: 85vw;
    height: 100%;
    background: #16213e;
    border-left: 1px solid #0f3460;
    z-index: 300;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.menu-panel.open {
    transform: translateX(0);
}

.menu-header {
    padding: 1rem;
    border-bottom: 1px solid #0f3460;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-header h2 {
    font-size: 1.1rem;
    color: #e94560;
}

.menu-header-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.menu-header-btn {
    width: 34px;
    height: 34px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #999;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.menu-header-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #eee;
    border-color: rgba(255, 255, 255, 0.15);
}

.menu-close {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    color: #888;
    font-size: 1.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    line-height: 1;
}

.menu-close:hover {
    background: rgba(233, 69, 96, 0.2);
    color: #e94560;
}

.menu-content {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.menu-content::-webkit-scrollbar {
    width: 6px;
}

.menu-content::-webkit-scrollbar-track {
    background: transparent;
}

.menu-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.menu-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.menu-section {
    margin-bottom: 1rem;
}

.menu-section label {
    display: block;
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.menu-section select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    margin-bottom: 0.75rem;
}

.menu-section select:focus {
    outline: none;
    border-color: #e94560;
}

/* Context selectors (Agent & Collection side-by-side) */
.menu-row {
    margin-bottom: 1rem;
}

.context-selectors {
    display: flex;
    gap: 12px;
}

.selector-group {
    flex: 1;
    min-width: 0; /* Allow shrinking */
}

.selector-group label {
    display: block;
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.selector-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0.75rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    text-align: left;
}

.selector-btn:hover {
    border-color: #555;
}

.selector-btn:focus {
    outline: none;
    border-color: #e94560;
}

.selector-btn span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.selector-arrow {
    color: #888;
    font-size: 0.75rem;
    margin-left: 0.5rem;
    flex-shrink: 0;
}

.selector-btn.has-selection {
    border-color: #10b981;
}

.selector-btn.has-selection span:first-child {
    color: #10b981;
}

/* Temperature slider */
.slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: #0f3460;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #e94560;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #e94560;
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

.slider-value {
    color: #e94560;
    font-weight: bold;
    margin-left: 0.5rem;
}

.label-icon {
    display: inline-block;
    vertical-align: middle;
    transform: translateY(-1px);
    opacity: 0.6;
    margin-right: 0.15rem;
}

.info-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    margin-left: 0.4rem;
    font-size: 0.65rem;
    font-weight: bold;
    color: #666;
    background: #333;
    border-radius: 50%;
    cursor: help;
    vertical-align: middle;
    position: relative;
    transform: translateY(-2px);
}

.kb-nav-btn .info-tooltip {
    transform: translateY(0);
}

.info-tooltip:hover {
    color: #e94560;
    background: #444;
}

/* Custom tooltip styling (uses data-tooltip to avoid browser native tooltip) */
.info-tooltip[data-tooltip] {
    position: relative;
}

.info-tooltip[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    margin-top: 6px;
    padding: 8px 10px;
    width: 200px;
    font-size: 0.75rem;
    font-weight: normal;
    text-transform: none;
    color: #eee;
    background: #1a1a2e;
    border: 1px solid #333;
    border-radius: 6px;
    white-space: normal;
    line-height: 1.4;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.info-tooltip[data-tooltip]:hover::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    margin-top: 2px;
    border: 4px solid transparent;
    border-bottom-color: #333;
    z-index: 1001;
}

/* Suppress CSS pseudo-element tooltips inside menu panel (JS handles positioning) */
.menu-panel .info-tooltip[data-tooltip]:hover::after,
.menu-panel .info-tooltip[data-tooltip]:hover::before {
    display: none;
}

/* JS-positioned menu tooltip */
.menu-tooltip {
    position: fixed;
    padding: 10px 14px;
    background: #1a1a2e;
    border: 1px solid #333;
    border-radius: 8px;
    color: #ccc;
    font-size: 0.8rem;
    line-height: 1.5;
    z-index: 10000;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    pointer-events: auto;
    cursor: pointer;
    animation: tooltip-fade-in 0.15s ease;
    transition: opacity 0.2s ease, transform 0.2s ease;
    touch-action: pan-x;
}

.menu-tooltip.dismissing {
    opacity: 0;
    pointer-events: none;
}

.menu-tooltip strong {
    font-size: 0.85rem;
    display: inline;
    margin-right: 0.25rem;
}

@keyframes tooltip-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: #666;
    margin-top: 0.25rem;
}

/* Model + Load row */
.model-load-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.model-load-row .selector-btn {
    flex: 1;
    min-width: 0;
}

.menu-load-btn {
    padding: 0.625rem 1rem;
    background: #e94560;
    color: #fff;
    border: 1px solid #e94560;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s, border-color 0.2s, opacity 0.2s;
    flex-shrink: 0;
}

.menu-load-btn:hover:not(:disabled) {
    background: #d63a54;
}

.menu-load-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.menu-btn-row {
    display: flex;
    gap: 0.5rem;
}

.menu-btn-row .menu-btn {
    flex: 1;
}

.menu-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.menu-btn:hover:not(:disabled) {
    background: #1a4a7a;
    border-color: #e94560;
}

.menu-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.menu-btn.primary {
    background: #e94560;
    border-color: #e94560;
    color: #fff;
}

.menu-btn.primary:hover:not(:disabled) {
    background: #d63a54;
}

/* Current Model Display */
.current-model-display {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.current-model-display .model-icon {
    width: 20px;
    height: 20px;
    color: #e94560;
    flex-shrink: 0;
}

.current-model-display .model-icon svg {
    width: 100%;
    height: 100%;
}

.current-model-display .model-name-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.current-model-display.loaded {
    border-color: #10b981;
}

.current-model-display.loaded .model-icon {
    color: #10b981;
}

/* Menu accordion (Settings dropdown) */
.menu-accordion {
    margin-bottom: 0;
}

.menu-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0.5rem 0;
    background: none;
    border: none;
    color: #ccc;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: color 0.15s;
}

.menu-accordion-header:hover {
    color: #e94560;
}

.menu-accordion-chevron {
    font-size: 0.7rem;
    color: #666;
    transition: transform 0.2s ease;
}

.menu-accordion.expanded .menu-accordion-chevron {
    transform: rotate(180deg);
}

.menu-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.menu-accordion.expanded .menu-accordion-body {
    max-height: 500px;
}

.menu-divider {
    height: 1px;
    background: #0f3460;
    margin: 1.25rem 0;
}

/* Tighter dividers around the settings accordion */
#settings-accordion {
    margin: -0.85rem 0;
}

.menu-footer {
    padding: 1rem;
    border-top: 1px solid #0f3460;
}

.menu-footer #status {
    font-size: 0.8rem;
    color: #888;
}

.menu-footer #status.online { color: #4ade80; }
.menu-footer #status.offline { color: #f87171; }

/* ============================================================================
   Chat Container
   ============================================================================ */
#chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.08) transparent;
}

#chat-container::-webkit-scrollbar {
    width: 5px;
}

#chat-container::-webkit-scrollbar-track {
    background: transparent;
}

#chat-container::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 4px;
}

#chat-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.18);
}

/* ============================================================================
   Messages
   ============================================================================ */
.message {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    line-height: 1.5;
    word-wrap: break-word;
    margin-bottom: 0.5rem;
}

.message:last-child {
    margin-bottom: 0;
}

.message.user {
    align-self: flex-end;
    background: #0f3460;
    border: 1px solid #e94560;
}

.message.assistant {
    align-self: flex-start;
    background: #16213e;
    border: 1px solid #0f3460;
}

.message.system {
    align-self: center;
    background: transparent;
    color: #888;
    font-size: 0.85rem;
    font-style: italic;
}

.message.command {
    align-self: flex-start;
    background: #1e3a5f;
    border: 1px solid #3b82f6;
    font-family: monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
}

/* Thinking section for reasoning models */
.thinking-section {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 8px;
    font-size: 0.85rem;
}

.thinking-section summary {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #a78bfa;
    font-weight: 500;
    user-select: none;
    list-style: none;
}

.thinking-section summary::-webkit-details-marker {
    display: none;
}

.thinking-section summary::before {
    content: '▶';
    font-size: 0.65rem;
    transition: transform 0.2s;
}

.thinking-section[open] summary::before {
    transform: rotate(90deg);
}

.thinking-section .thinking-icon {
    font-size: 0.9rem;
}

.thinking-section .thinking-content {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    color: #c4b5fd;
    line-height: 1.5;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

/* Collection header - shown at top of collection conversations */
.collection-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(37, 99, 235, 0.05) 100%);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.collection-header-icon {
    font-size: 1.5rem;
    line-height: 1;
    margin-top: 0.1rem;
}

.collection-header-content {
    flex: 1;
    min-width: 0;
}

.collection-header-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #60a5fa;
    margin-bottom: 0.35rem;
}

.collection-header-description {
    font-size: 0.9rem;
    color: #94a3b8;
    line-height: 1.5;
}

.message .meta {
    font-size: 0.75rem;
    color: #666;
    margin-top: 0.5rem;
}

/* Message header (agent/user name) */
.message-header {
    font-size: 0.8rem;
    font-weight: bold;
    color: #e94560;
    margin-bottom: 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid #333;
}

.message.user .message-header {
    color: #60a5fa;
    border-bottom-color: #3b82f6;
}

/* Message content wrapper */
.message-content {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* ============================================================================
   Markdown Rendered Content
   ============================================================================ */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 0.25em 0 0.1em 0;
    font-weight: bold;
    line-height: 1.55;
}

.message-content h1 { font-size: 1.2em; color: #e94560; }
.message-content h2 { font-size: 1.1em; color: #e94560; }
.message-content h3 { font-size: 1.05em; color: #ccc; }
.message-content h4,
.message-content h5,
.message-content h6 { font-size: 1em; color: #aaa; }

.message-content p {
    margin: 0.2em 0;
    line-height: 1.75;
}

.message-content ul,
.message-content ol {
    margin: 0.1em 0;
    padding-left: 1.2em;
}

.message-content li {
    margin: 0;
    line-height: 1.7;
}

.message-content strong {
    font-weight: bold;
    color: #fff;
}

.message-content em {
    font-style: italic;
}

.message-content code {
    background: #0f3460;
    padding: 0.1em 0.3em;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
}

.message-content pre {
    background: #0a1929;
    border: 1px solid #1e3a5f;
    border-radius: 4px;
    padding: 0.4em 0.6em;
    margin: 0.2em 0;
    overflow-x: auto;
}

.message-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85em;
    line-height: 1.65;
}

.code-copy-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    color: #8b8fa3;
    font-size: 0.7rem;
    padding: 2px 8px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s, background 0.15s;
}

.message-content pre:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
}

.message-content blockquote {
    border-left: 3px solid #e94560;
    margin: 0.2em 0;
    padding: 0.25em 0.75em;
    background: rgba(233, 69, 96, 0.1);
    color: #ccc;
}

.message-content a {
    color: #60a5fa;
    text-decoration: underline;
}

.message-content a:hover {
    color: #93c5fd;
}

.message-content hr {
    border: none;
    border-top: 1px solid #333;
    margin: 0.3em 0;
}

.message-content table {
    border-collapse: collapse;
    margin: 0.2em 0;
    width: 100%;
}

.message-content th,
.message-content td {
    border: 1px solid #333;
    padding: 0.2em 0.4em;
    text-align: left;
}

.message-content th {
    background: #0f3460;
    font-weight: bold;
}

.message-content tr:nth-child(even) {
    background: rgba(15, 52, 96, 0.3);
}

/* ============================================================================
   Citations
   ============================================================================ */
.citations {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid #333;
    font-size: 0.8rem;
    color: #888;
}

.citations.loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-style: italic;
}

.citation-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid #333;
    border-top-color: #e94560;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.citations-header {
    font-weight: bold;
    color: #666;
    margin-bottom: 0.25rem;
}

.citations ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.citations li {
    padding: 0.2rem 0;
    padding-left: 1rem;
    position: relative;
}

.citations li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #e94560;
}

.citations li.citation-hidden {
    display: none;
}

.citation-more-btn {
    background: transparent;
    border: 1px solid #444;
    color: #888;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    cursor: pointer;
    margin-top: 0.3rem;
    transition: all 0.15s ease;
}

.citation-more-btn:hover {
    border-color: #e94560;
    color: #e94560;
    background: rgba(233, 69, 96, 0.1);
}

/* ============================================================================
   Sources (Routing Matches - no LLM call needed)
   ============================================================================ */
.sources {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid #333;
    font-size: 0.8rem;
    color: #888;
}

.sources-header {
    font-weight: bold;
    color: #666;
    margin-bottom: 0.25rem;
}

.sources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sources li {
    padding: 0.2rem 0;
    padding-left: 1rem;
    position: relative;
}

.sources li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #e94560;
}

/* ============================================================================
   Loading States
   ============================================================================ */
.loading {
    color: #888;
}

.loading-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.loading-expand-btn {
    display: none;
    align-items: center;
    gap: 0.2rem;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    font-size: 0.7rem;
    transition: color 0.15s;
}

.loading-expand-btn:hover {
    color: rgba(255, 255, 255, 0.7);
}

.loading-chevron {
    transition: transform 0.2s;
}

.loading.expanded .loading-chevron {
    transform: rotate(90deg);
}

.loading-step-count {
    min-width: 1rem;
    text-align: center;
}

.loading-steps {
    display: none;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 0.375rem;
    padding-left: 1.75rem;
}

.loading.expanded .loading-steps {
    display: block;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #333;
    border-top-color: #e94560;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================================
   Connecting Overlay (shown on page load)
   ============================================================================ */
.connecting-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1a1a2e;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.connecting-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.connecting-content {
    text-align: center;
}

.connecting-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid #0f3460;
    border-top-color: #e94560;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1.5rem;
}

.connecting-text {
    color: #888;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

/* Container mode readonly selectors */
.selector-btn.container-readonly {
    cursor: default;
}

.selector-btn.container-readonly .selector-arrow {
    display: none;
}

/* Loading overlay for agent loading */
#loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#loading-overlay.active { display: flex; }

.loading-content {
    background: #16213e;
    border: 1px solid #e94560;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    min-width: 300px;
    max-width: 90vw;
}

.loading-content h3 {
    margin-bottom: 1rem;
    color: #e94560;
}

.loading-content .spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
}

.progress-bar {
    background: #0f3460;
    border-radius: 4px;
    height: 20px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    background: linear-gradient(90deg, #e94560, #7c3aed);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.9rem;
    color: #888;
}

/* ============================================================================
   Input Area
   ============================================================================ */
#input-area {
    padding: 0.75rem 1rem;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
    background: #16213e;
    border-top: 1px solid #0f3460;
    flex-shrink: 0;
}

/* Attachments container */
.attachments-container {
    display: none;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
}

.attachments-container.has-attachments {
    display: flex;
}

/* Attachment chip */
.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.6rem;
    background: rgba(233, 69, 96, 0.12);
    border: 1px solid rgba(233, 69, 96, 0.4);
    border-radius: 6px;
    font-size: 0.8rem;
    color: #eee;
    max-width: 220px;
    animation: chip-appear 0.15s ease-out;
}

@keyframes chip-appear {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.attachment-icon {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.attachment-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.attachment-size {
    color: #888;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.attachment-remove {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    padding: 0 0.15rem;
    font-size: 1.1rem;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.15s;
}

.attachment-remove:hover {
    color: #e94560;
}

/* Image attachment chips */
.attachment-chip.image-chip {
    padding: 0.25rem 0.5rem;
    gap: 0.4rem;
}

.attachment-thumbnail {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

/* Attach error toast */
.attach-error {
    padding: 0.4rem 0.75rem;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    color: #e94560;
    background: rgba(233, 69, 96, 0.1);
    border: 1px solid rgba(233, 69, 96, 0.3);
    border-radius: 6px;
    animation: chip-appear 0.15s ease-out;
}

/* Drag-and-drop indicator */
#input-area.drag-over {
    outline: 2px dashed #e94560;
    outline-offset: -2px;
    background: rgba(233, 69, 96, 0.05);
    border-radius: 8px;
}

#input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid #333;
    border-radius: 8px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    position: relative;
    overflow: visible;
}

.toolbar-btn:hover {
    background: #0f3460;
    border-color: #444;
    color: #aaa;
}

.toolbar-btn.active {
    background: rgba(233, 69, 96, 0.15);
    border-color: #e94560;
    color: #e94560;
}

.toolbar-btn svg {
    flex-shrink: 0;
}

/* Plus Menu */
.plus-menu-wrapper {
    position: relative;
}

#plus-menu-btn .plus-icon {
    transition: transform 0.25s ease;
}

#plus-menu-btn.open .plus-icon {
    transform: rotate(45deg);
}

#plus-menu-btn.open {
    color: #e94560;
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.1);
}

/* Active dot indicator on plus button */
.active-dot {
    display: none;
    position: absolute;
    top: 4px;
    right: 4px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #666;
}

.active-dot.visible { display: block; }
.active-dot.surface { background: #3b82f6; }
.active-dot.shallow { background: #9333ea; }
.active-dot.deep { background: #ec4899; animation: deep-pulse 2s ease-in-out infinite; }

@keyframes deep-pulse {
    0%, 100% { box-shadow: 0 0 4px rgba(236, 72, 153, 0.4); }
    50% { box-shadow: 0 0 8px rgba(236, 72, 153, 0.7); }
}

/* Plus menu popup */
.plus-menu {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    width: 310px;
    background: rgba(20, 30, 55, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 6px;
    z-index: 100;
    transform-origin: bottom left;
    animation: plus-menu-in 0.18s ease-out;
}

.plus-menu.open {
    display: block;
}

@keyframes plus-menu-in {
    from { opacity: 0; transform: scale(0.92) translateY(4px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.plus-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: #ccc;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
    text-align: left;
}

.plus-menu-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.plus-menu-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

/* Search icon glow by depth */
.plus-menu-item.glow-surface svg {
    color: #3b82f6;
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.6));
}
.plus-menu-item.glow-shallow svg {
    color: #9333ea;
    filter: drop-shadow(0 0 4px rgba(147, 51, 234, 0.6));
}
.plus-menu-item.glow-deep svg {
    color: #ec4899;
    filter: drop-shadow(0 0 4px rgba(236, 72, 153, 0.6));
}

.plus-menu-item.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.plus-menu-item.disabled:hover {
    background: transparent;
    color: #ccc;
}

.plus-menu-label {
    flex-shrink: 0;
}

.plus-menu-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 0;
    border-radius: 9px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    line-height: 1.2;
    width: 64px;
    text-align: center;
    flex-shrink: 0;
}

.plus-menu-badge.depth-off {
    background: rgba(100, 100, 100, 0.3);
    color: #888;
}
.plus-menu-badge.depth-surface {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}
.plus-menu-badge.depth-shallow {
    background: rgba(147, 51, 234, 0.2);
    color: #a855f7;
}
.plus-menu-badge.depth-deep {
    background: rgba(236, 72, 153, 0.2);
    color: #f472b6;
    animation: deep-pulse 2s ease-in-out infinite;
}

.plus-menu-badge.playback-on {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.plus-menu-badge.playback-off {
    background: rgba(100, 100, 100, 0.3);
    color: #888;
}

.plus-menu-badge.imgsearch-on {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.plus-menu-badge.imgsearch-off {
    background: rgba(100, 100, 100, 0.3);
    color: #888;
}

.plus-menu-desc {
    font-size: 0.75rem;
    color: #777;
    margin-left: auto;
    white-space: nowrap;
}

.plus-menu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.07);
    margin: 4px 8px;
}

/* Tool toggle chips */
.plus-menu-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 8px;
}

.tool-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    height: 28px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 2px solid var(--tool-color, #666);
    border-radius: 8px;
    color: #ccc;
    font-size: 0.75rem;
    cursor: pointer;
    transition: opacity 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}

.tool-chip svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--tool-color, #888);
}

.tool-chip:hover {
    background: rgba(255, 255, 255, 0.1);
}

.tool-chip.disabled {
    opacity: 0.3;
    border-left-color: #555;
}

.tool-chip.disabled svg {
    color: #666;
}

.tool-chip-chain {
    border-left-style: dashed !important;
}

#message-input {
    flex: 1;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    min-height: 44px;
    line-height: 1.4;
}

#message-input:focus {
    outline: none;
    border-color: #e94560;
}

#send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #e94560;
    border: none;
    border-radius: 10px;
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.15s ease, background 0.15s ease;
}

#send-btn:hover:not(:disabled) {
    background: #d63a54;
    transform: scale(1.05);
}

#send-btn:active:not(:disabled) {
    transform: scale(0.95);
}

#send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

#send-btn .send-icon {
    display: block;
}

#send-btn .send-cooldown-text {
    display: none;
    font-size: 0.8rem;
    font-weight: 700;
}

#send-btn.cooldown {
    background: #555;
    border: none;
}

#send-btn.cooldown .send-icon {
    display: none;
}

#send-btn.cooldown .send-cooldown-text {
    display: block;
}

/* ============================================================================
   Mobile Responsive
   ============================================================================ */
@media (max-width: 600px) {
    header {
        padding: 0.5rem 0.75rem;
    }

    header h1 {
        font-size: 1.1rem;
    }

    .header-status {
        font-size: 0.75rem;
        max-width: 140px;
    }

    #chat-container {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .message {
        max-width: 100%;
        padding: 0.625rem 0.75rem;
        border-radius: 6px;
    }

    #input-area {
        padding: 0.5rem;
        padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
        gap: 0.4rem;
    }

    #message-input {
        min-height: 50px;
        padding: 0.625rem 0.75rem;
        font-size: 16px; /* Prevents zoom on iOS */
        border-radius: 6px;
    }

    #send-btn {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .toolbar-btn {
        width: 36px;
        height: 36px;
    }

    .plus-menu {
        min-width: 210px;
    }

    .menu-panel {
        width: 336px;
    }
}

/* ============================================================================
   Utility Classes
   ============================================================================ */
.help-text {
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    white-space: pre-wrap;
}

.help-text .cmd { color: #e94560; }
.help-text .desc { color: #888; }

/* ============================================================================
   Conversation History List (in hamburger menu)
   ============================================================================ */
.conversations-section {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.section-header label {
    margin-bottom: 0;
}

.icon-btn {
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid #333;
    border-radius: 4px;
    color: #888;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: #0f3460;
    border-color: #e94560;
    color: #e94560;
}

.icon-btn.spinning {
    animation: spin 1s linear infinite;
}

/* Conversation filter accordion */
.conv-filter-accordion {
    margin-bottom: 0.25rem;
    flex-shrink: 0;
}

.conv-filter-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.3rem 0.4rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: #888;
    font-size: 0.75rem;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
    gap: 0.375rem;
}

.conv-filter-toggle:hover {
    color: #e94560;
    background: rgba(15, 52, 96, 0.3);
}

.conv-filter-toggle-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    flex-shrink: 0;
}

.conv-filter-badges {
    flex: 1;
    display: flex;
    gap: 0.25rem;
    overflow: hidden;
}

.conv-filter-badge {
    display: inline-block;
    padding: 0.05rem 0.35rem;
    background: rgba(233, 69, 96, 0.15);
    border: 1px solid rgba(233, 69, 96, 0.3);
    border-radius: 3px;
    color: #e94560;
    font-size: 0.6rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 80px;
}

.conv-filter-badge.search-badge {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}

.conv-filter-badge.collection-badge {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.conv-filter-chevron {
    font-size: 0.6rem;
    color: #666;
    transition: transform 0.2s ease;
    margin-left: auto;
    flex-shrink: 0;
}

.conv-filter-accordion.expanded .conv-filter-chevron {
    transform: rotate(180deg);
}

/* Hide badges when expanded (filters are visible) */
.conv-filter-accordion.expanded .conv-filter-badges {
    display: none;
}

.conv-filter-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.conv-filter-accordion.expanded .conv-filter-body {
    max-height: 120px;
}

.conv-filter-row {
    padding: 0.2rem 0;
}

.conv-filter-input {
    width: 100%;
    padding: 0.35rem 0.5rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.8rem;
    box-sizing: border-box;
}

.conv-filter-input:focus {
    outline: none;
    border-color: #e94560;
}

.conv-filter-input::placeholder {
    color: #555;
}

.conv-filter-selectors {
    display: flex;
    gap: 0.4rem;
}

.conv-filter-chip {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.45rem;
    background: #0f3460;
    color: #888;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    min-width: 0;
}

.conv-filter-chip:hover {
    border-color: #555;
    color: #ccc;
}

.conv-filter-chip.active {
    border-color: #e94560;
    color: #e94560;
}

.conv-filter-chip.collection-active {
    border-color: #10b981;
    color: #10b981;
}

.chip-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    text-align: left;
}

.chip-clear {
    margin-left: 0.2rem;
    font-size: 0.85rem;
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.7;
}

.chip-clear:hover {
    opacity: 1;
}

.chip-clear.hidden {
    display: none;
}

/* Filter picker modal */
.conv-filter-picker-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.conv-filter-picker-overlay.active {
    opacity: 1;
    visibility: visible;
}

.conv-filter-picker {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 280px;
    max-height: 50vh;
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 8px;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.conv-filter-picker.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.conv-filter-picker-header {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid #0f3460;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.conv-filter-picker-header h3 {
    font-size: 0.85rem;
    color: #e94560;
    margin: 0;
    font-weight: 600;
}

.conv-filter-picker-close {
    background: none;
    border: none;
    color: #666;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.conv-filter-picker-close:hover {
    color: #e94560;
}

.conv-filter-picker-search {
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid #0f3460;
    flex-shrink: 0;
}

.conv-filter-picker-search input {
    width: 100%;
    padding: 0.3rem 0.5rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.8rem;
    box-sizing: border-box;
}

.conv-filter-picker-search input:focus {
    outline: none;
    border-color: #e94560;
}

.conv-filter-picker-search input::placeholder {
    color: #555;
}

.conv-filter-picker-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.25rem;
    max-height: 220px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.conv-filter-picker-item {
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    color: #ccc;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.15s;
}

.conv-filter-picker-item:hover {
    background: rgba(15, 52, 96, 0.5);
}

.conv-filter-picker-item.selected {
    background: rgba(233, 69, 96, 0.15);
    color: #e94560;
}

.conv-filter-picker-item.all-option {
    color: #888;
    font-style: italic;
    border-bottom: 1px solid #0f3460;
    margin-bottom: 0.2rem;
    padding-bottom: 0.5rem;
}

/* Conversation filter mobile adjustments */
@media (max-width: 600px) {
    .conv-filter-input {
        font-size: 16px; /* prevent iOS zoom */
    }
    .conv-filter-picker {
        width: 260px;
    }
}

.conversations-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    margin: 0.25rem 0 0.5rem 0;
    min-height: 180px;
    max-height: 280px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.conversations-list::-webkit-scrollbar {
    width: 4px;
}

.conversations-list::-webkit-scrollbar-track {
    background: transparent;
}

.conversations-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.conversations-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.conversation-item {
    padding: 0.625rem 0.75rem;
    border: 1px solid #0f3460;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.conversation-item:hover {
    background: rgba(15, 52, 96, 0.5);
    border-color: #1a5a9a;
}

.conversation-item.active {
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.1);
}

.conversation-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #e94560;
    border-radius: 6px 0 0 6px;
}

.conversation-preview {
    font-size: 0.85rem;
    color: #ddd;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.35rem;
    padding-right: 1.5rem;
}

.conversation-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: #666;
}

.conversation-time {
    color: #888;
}

.conversation-agent {
    color: #e94560;
    font-weight: 500;
}

.conversation-header {
    margin-bottom: 0.35rem;
}

.conversation-agent-badge,
.conversation-collection-badge,
.conversation-model-badge {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

.conversation-agent-badge {
    background: rgba(233, 69, 96, 0.2);
    color: #e94560;
}

.conversation-collection-badge {
    background: rgba(37, 99, 235, 0.2);
    color: #60a5fa;
}

.conversation-model-badge {
    background: rgba(148, 163, 184, 0.2);
    color: #94a3b8;
}

.conversation-count {
    background: #0f3460;
    padding: 0.1rem 0.4rem;
    border-radius: 8px;
    font-size: 0.65rem;
}

.conversation-delete {
    position: absolute;
    right: 0.5rem;
    top: 0.5rem;
    background: transparent;
    border: 1px solid #333;
    color: #666;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.conversation-delete:hover {
    color: #e94560;
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.15);
}

/* Fade out animation for deleted items */
.conversation-item.deleting {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Inline confirmation (load/delete) */
.conversation-item.confirming-delete,
.conversation-item.confirming-load {
    border-color: #e94560;
}

.conversation-item.confirming-delete {
    background: rgba(233, 69, 96, 0.1);
}

.conversation-item.confirming-load {
    background: rgba(5, 150, 105, 0.15);
    border-color: #059669;
}

.conversation-item.confirming-delete .conversation-header,
.conversation-item.confirming-delete .conversation-preview,
.conversation-item.confirming-delete .conversation-meta,
.conversation-item.confirming-delete .conversation-delete,
.conversation-item.confirming-load .conversation-header,
.conversation-item.confirming-load .conversation-preview,
.conversation-item.confirming-load .conversation-meta,
.conversation-item.confirming-load .conversation-delete {
    display: none;
}

.confirm-content,
.load-confirm-content {
    display: none;
}

.conversation-item.confirming-delete .confirm-content,
.conversation-item.confirming-load .load-confirm-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.confirm-text {
    font-size: 0.8rem;
    color: #e94560;
}

.load-confirm-content .confirm-text {
    color: #059669;
    flex: 1;
}

.confirm-buttons {
    display: flex;
    gap: 0.4rem;
}

.confirm-buttons button {
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.75rem;
    transition: background 0.2s;
}

.confirm-buttons .confirm-yes {
    background: #e94560;
    color: #fff;
}

.confirm-buttons .confirm-yes:hover {
    background: #d63a54;
}

.confirm-buttons .confirm-no {
    background: #0f3460;
    color: #ccc;
}

.confirm-buttons .confirm-no:hover {
    background: #1a4a7a;
}

.confirm-buttons .confirm-load {
    background: #059669;
    color: #fff;
}

.confirm-buttons .confirm-load:hover {
    background: #047857;
}

.conversations-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #555;
    padding: 1rem;
    font-size: 0.85rem;
    font-style: italic;
}

.conversations-loading {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    color: #888;
    font-size: 0.85rem;
}

.conversations-loading .spinner {
    width: 16px;
    height: 16px;
}

.load-more-btn {
    width: 100%;
    padding: 0.5rem;
    background: transparent;
    color: #888;
    border: 1px dashed #333;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.load-more-btn:hover {
    background: #0f3460;
    border-color: #e94560;
    border-style: solid;
    color: #eee;
}

/* ============================================================================
   Model Manager Modal
   ============================================================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 400;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    color: #888;
    font-size: 1.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(233, 69, 96, 0.2);
    color: #e94560;
}

.model-manager-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 800px;
    height: 80vh;
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 8px;
    z-index: 500;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.model-manager-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.model-manager-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #0f3460;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.model-manager-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: #e94560;
    margin: 0;
}

/* Model manager toolbar - compact filter area */
.model-manager-toolbar {
    padding: 0.75rem 1rem;
    background: #0f3460;
    border-bottom: 1px solid #1a3a5c;
    flex-shrink: 0;
}

.toolbar-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.toolbar-row + .toolbar-row {
    margin-top: 0.5rem;
}

.toolbar-options {
    justify-content: space-between;
}

.toolbar-checkboxes {
    display: flex;
    gap: 0.75rem;
}

.toolbar-usage {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.model-search {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background: #1a1a2e;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.85rem;
}

.model-search:focus {
    outline: none;
    border-color: #e94560;
}

.model-search::placeholder {
    color: #666;
}

.toolbar-select {
    padding: 0.4rem 0.6rem;
    background: #1a1a2e;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
}

.toolbar-select:focus {
    outline: none;
    border-color: #e94560;
}

.toolbar-select-sm {
    padding: 0.25rem 0.4rem;
    background: #1a1a2e;
    color: #aaa;
    border: 1px solid #333;
    border-radius: 3px;
    font-size: 0.75rem;
    cursor: pointer;
}

.toolbar-select-sm:focus {
    outline: none;
    border-color: #e94560;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: #888;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: #e94560;
    cursor: pointer;
}

/* Inline usage display */
.usage-inline {
    font-size: 0.75rem;
    color: #888;
    margin-left: 0.25rem;
}

.usage-inline .usage-calls {
    color: #10b981;
    font-weight: 500;
}

.usage-inline .usage-provider {
    color: #aaa;
    margin-right: 0.35rem;
}

.usage-inline .usage-tokens {
    color: #3b82f6;
}

.usage-inline .usage-empty {
    color: #666;
    font-style: italic;
}

.model-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.model-loading,
.model-error,
.model-empty {
    text-align: center;
    padding: 2rem;
    color: #888;
}

.model-list::-webkit-scrollbar {
    width: 4px;
}

.model-list::-webkit-scrollbar-track {
    background: transparent;
}

.model-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.model-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.model-error {
    color: #e94560;
}

/* Model accordion groups */
.model-accordion {
    margin-bottom: 0.5rem;
    border-radius: 6px;
    overflow: hidden;
    background: #0a1628;
    border: 1px solid #1a3a5c;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    background: #0f2847;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.accordion-header:hover {
    background: #143356;
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.accordion-icon {
    font-size: 0.85rem;
}

.accordion-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: #ddd;
}

.accordion-count {
    font-size: 0.65rem;
    color: #888;
    background: #1a1a2e;
    padding: 0.1rem 0.35rem;
    border-radius: 8px;
    margin-left: 0.25rem;
}

.accordion-chevron {
    font-size: 0.7rem;
    color: #666;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.model-accordion.expanded .accordion-chevron {
    transform: rotate(180deg);
}

.accordion-content {
    height: 0;
    overflow: hidden;
    transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-inner {
    padding: 0.375rem;
}

.model-card {
    background: #0f3460;
    border: 1px solid #2a4a6c;
    border-radius: 4px;
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.375rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.model-card:last-child {
    margin-bottom: 0;
}

.model-card:hover {
    border-color: #555;
}

.model-card.selected {
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.1);
}

.model-card.unavailable {
    opacity: 0.5;
    cursor: not-allowed;
}

.model-card.current {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.model-card-content {
    flex: 1;
    min-width: 0;
}

.model-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.model-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #eee;
}

.model-badges {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge.free {
    background: #10b981;
    color: #fff;
}

.badge.reasoning {
    background: #8b5cf6;
    color: #fff;
}

.badge.tooling {
    background: #f59e0b;
    color: #fff;
}

/* Required tooling filter indicator */
.checkbox-label.required {
    color: #f59e0b;
    font-weight: 600;
}

.checkbox-label.required input[type="checkbox"]:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

.badge.unavailable {
    background: #ef4444;
    color: #fff;
}

.badge.current {
    background: #3b82f6;
    color: #fff;
}

.badge.vision {
    background: #06b6d4;
    color: #fff;
}

.model-card-details {
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: #777;
    margin-bottom: 0.2rem;
}

.model-description {
    font-size: 0.75rem;
    color: #888;
    line-height: 1.3;
}

.model-usage {
    margin-top: 0.3rem;
    display: flex;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: #777;
}

.model-usage .usage-chats {
    color: #10b981;
    font-weight: 500;
}

.model-usage .usage-tokens {
    color: #666;
}

.model-manager-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid #0f3460;
    flex-shrink: 0;
}

/* Mobile responsive */
@media (max-width: 600px) {
    .model-manager-panel {
        /* Full screen on mobile - use dvh for dynamic viewport height */
        top: 0;
        left: 0;
        transform: none;
        width: 100vw;
        height: 100dvh;
        max-width: none;
        max-height: none;
        border-radius: 0;
        border: none;
    }

    .model-manager-panel.open {
        transform: none;
    }

    .model-manager-header {
        padding: 0.5rem 0.75rem;
    }

    .model-manager-toolbar {
        padding: 0.5rem 0.75rem;
    }

    .toolbar-row {
        flex-wrap: wrap;
    }

    .toolbar-options {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .toolbar-usage {
        flex-wrap: wrap;
    }

    .model-list {
        padding: 0.5rem;
    }

    .accordion-header {
        padding: 0.5rem 0.625rem;
    }

    .accordion-inner {
        padding: 0.25rem;
    }

    .model-card {
        padding: 0.5rem 0.625rem;
    }

    .model-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .model-badges {
        margin-top: 0.2rem;
    }

    .model-manager-footer {
        padding: 0.625rem 0.75rem;
    }
}


/* ============================================================================
   Agent & Collection Manager Modals
   ============================================================================ */

.context-manager-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 720px;
    max-height: 70vh;
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 8px;
    z-index: 500;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.context-manager-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.context-manager-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #0f3460;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.context-manager-header h2 {
    font-size: 1.1rem;
    color: #e94560;
}

.context-manager-search {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid #0f3460;
    flex-shrink: 0;
}

.context-manager-search input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: #0f3460;
    color: #eee;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.9rem;
}

.context-manager-search input:focus {
    outline: none;
    border-color: #e94560;
}

.context-manager-search input::placeholder {
    color: #666;
}

.context-manager-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.context-manager-list::-webkit-scrollbar {
    width: 4px;
}

.context-manager-list::-webkit-scrollbar-track {
    background: transparent;
}

.context-manager-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.context-manager-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.context-manager-empty {
    text-align: center;
    padding: 2rem;
    color: #888;
    font-style: italic;
}

/* Context card grid */
.context-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
    padding: 0.25rem;
}

/* Context card (agent or collection) */
.context-card {
    background: #0f3460;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 0.85rem 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    min-height: 90px;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    position: relative;
}

.context-card:hover {
    border-color: #4a6fa5;
    box-shadow: 0 2px 8px rgba(15, 52, 96, 0.4);
}

.context-card.selected {
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.08);
    box-shadow: 0 0 12px rgba(233, 69, 96, 0.15);
}

.context-card.current {
    border-color: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.1);
}

.context-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.35rem;
}

.context-card-name {
    font-size: 1rem;
    font-weight: 600;
    color: #eee;
    line-height: 1.3;
}

.context-card-badges {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.context-card-description {
    font-size: 0.8rem;
    color: #aaa;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.35rem;
}

.context-card-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: auto;
    padding-top: 0.4rem;
}

.context-card-chip {
    font-size: 0.68rem;
    padding: 0.15rem 0.45rem;
    border-radius: 3px;
    white-space: nowrap;
    line-height: 1.3;
    font-weight: 500;
}

.context-card-chip.kb {
    background: rgba(59, 130, 246, 0.15);
    color: #7cacf8;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.context-card-chip.tool {
    background: rgba(16, 185, 129, 0.12);
    color: #6dd8b0;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.context-card-chip.more {
    background: rgba(255, 255, 255, 0.06);
    color: #888;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.context-card .delete-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.3rem;
    background: transparent;
    border: none;
    color: #666;
    cursor: pointer;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
    line-height: 1;
}

.context-card .delete-btn:hover {
    color: #e94560;
    background: rgba(233, 69, 96, 0.1);
}

.context-manager-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid #0f3460;
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.context-manager-footer .btn-secondary {
    flex: 0 0 auto;
}

.context-manager-footer .btn-primary {
    flex: 1;
}

/* Voice selector card grid */
.voice-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
    padding: 0.25rem;
}

.voice-group-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.6rem 0.25rem 0.3rem;
    border-bottom: 1px solid #1a1a2e;
    margin-bottom: 0.25rem;
}

.voice-card {
    background: #0f3460;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 0.4rem 0.55rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: border-color 0.2s, background 0.2s;
}

.voice-card:hover {
    border-color: #4a6fa5;
}

.voice-card.selected {
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.08);
}

.voice-badge {
    font-size: 0.6rem;
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    font-weight: 600;
    text-transform: uppercase;
}

.voice-badge.default {
    background: none;
    color: #7cacf8;
    font-size: 0.7rem;
    padding: 0;
}

.voice-badge.current {
    background: rgba(16, 185, 129, 0.12);
    color: #6dd8b0;
}

/* Voice preview button */
.voice-preview-btn {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #888;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
    padding: 0;
}

.voice-preview-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ccc;
}

.voice-preview-btn .voice-preview-play { display: block; }
.voice-preview-btn .voice-preview-stop { display: none; }
.voice-preview-btn .voice-preview-spinner { display: none; }

.voice-preview-btn.playing .voice-preview-play { display: none; }
.voice-preview-btn.playing .voice-preview-stop { display: block; }

.voice-preview-btn.loading .voice-preview-play { display: none; }
.voice-preview-btn.loading .voice-preview-spinner {
    display: block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-top-color: #aaa;
    border-radius: 50%;
    animation: voice-spin 0.6s linear infinite;
}

@keyframes voice-spin {
    to { transform: rotate(360deg); }
}

.voice-card-name {
    flex: 1;
    min-width: 0;
    font-size: 0.85rem;
    font-weight: 500;
    color: #eee;
}

.voice-card-badges {
    flex-shrink: 0;
    display: flex;
    gap: 0.3rem;
    margin-left: auto;
}

/* Clear button styling */
.btn-secondary {
    padding: 0.5rem 0.75rem;
    background: transparent;
    color: #888;
    border: 1px solid #333;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
    border-color: #555;
    color: #aaa;
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Mobile responsive for context managers */
@media (max-width: 600px) {
    .context-manager-panel {
        top: 0;
        left: 0;
        transform: none;
        width: 100vw;
        height: 100dvh;
        max-width: none;
        max-height: none;
        border-radius: 0;
        border: none;
    }

    .context-manager-panel.open {
        transform: none;
    }

    .context-manager-header {
        padding: 0.75rem 1rem;
    }

    .context-manager-search {
        padding: 0.5rem 1rem;
    }

    .context-manager-list {
        padding: 0.5rem 0.75rem;
    }

    .context-manager-footer {
        padding: 0.75rem 1rem;
    }

    .context-card-grid {
        grid-template-columns: 1fr;
    }
}


/* ============================================================================
   Attachment Chips (in messages)
   ============================================================================ */

.message-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.5rem;
    background: rgba(233, 69, 96, 0.15);
    border: 1px solid #e94560;
    border-radius: 6px;
    font-size: 0.8rem;
    color: #eee;
    max-width: 200px;
}

.attachment-chip.clickable {
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.attachment-chip.clickable:hover {
    background: rgba(233, 69, 96, 0.25);
    border-color: #ff6b81;
}

.attachment-icon {
    flex-shrink: 0;
}

.attachment-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-size {
    color: #888;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* Image attachment thumbnails in chat messages */
.message-attachments .image-chip {
    padding: 0.2rem;
    max-width: none;
}

.msg-attachment-thumbnail {
    max-width: 240px;
    max-height: 180px;
    object-fit: contain;
    border-radius: 4px;
    display: block;
}

/* Image viewer lightbox */
.image-viewer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: fade-in 0.15s ease-out;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.image-viewer-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: default;
}

.image-viewer-panel img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
}

.image-viewer-caption {
    color: #aaa;
    font-size: 0.8rem;
}

.image-viewer-close {
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #555;
    color: #eee;
    font-size: 1.5rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.15s;
}

.image-viewer-close:hover {
    background: rgba(233, 69, 96, 0.6);
}

/* Web image search results strip */
.image-search-results {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    margin: 0.5rem 0;
    scrollbar-width: thin;
    scrollbar-color: #444 transparent;
    scroll-behavior: smooth;
}

.image-search-results::-webkit-scrollbar {
    height: 4px;
}

.image-search-results::-webkit-scrollbar-track {
    background: transparent;
}

.image-search-results::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 2px;
}

.image-search-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 90px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.2s, transform 0.15s;
    position: relative;
}

.image-search-thumb:hover {
    border-color: #60a5fa;
    transform: scale(1.05);
}

.image-search-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-search-thumb .thumb-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #ddd;
    font-size: 0.65rem;
    padding: 12px 4px 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Lightbox gallery navigation */
.image-viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid #555;
    color: #eee;
    font-size: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    z-index: 10001;
}

.image-viewer-nav:hover {
    background: rgba(59, 130, 246, 0.4);
}

.image-viewer-nav.prev { left: 1rem; }
.image-viewer-nav.next { right: 1rem; }

.image-viewer-counter {
    color: #999;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.image-viewer-source {
    color: #60a5fa;
    font-size: 0.75rem;
    text-decoration: none;
    margin-top: 0.15rem;
}

.image-viewer-source:hover {
    text-decoration: underline;
}


/* ============================================================================
   Attachment Viewer Modal
   ============================================================================ */

.attachment-viewer-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 900px;
    max-height: 80vh;
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 8px;
    z-index: 500;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.attachment-viewer-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.attachment-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #0f3460;
}

.attachment-viewer-header h3 {
    margin: 0;
    font-size: 1rem;
    color: #eee;
    font-weight: 500;
}

.attachment-viewer-content {
    flex: 1;
    overflow: auto;
    padding: 1rem;
    background: #0d1525;
}

.attachment-viewer-content pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #ddd;
}

.attachment-viewer-content code {
    background: transparent;
    padding: 0;
}

.attachment-viewer-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid #0f3460;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.attachment-viewer-footer .menu-btn.success {
    background: #27ae60;
    border-color: #27ae60;
}

/* Mobile: full screen attachment viewer */
@media (max-width: 600px) {
    .attachment-viewer-panel {
        top: 0;
        left: 0;
        transform: none;
        width: 100vw;
        height: 100dvh;
        max-width: none;
        max-height: none;
        border-radius: 0;
    }

    .attachment-viewer-panel.open {
        transform: none;
    }
}



/* ============================================================================
   Login Modal (Remote Access Authentication)
   ============================================================================ */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1a1a2e;
    z-index: 3000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.login-overlay.active {
    opacity: 1;
    visibility: visible;
}

.login-panel {
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 12px;
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: #e94560;
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.5px;
}

.login-subtitle {
    color: #888;
    margin: 0;
    font-size: 0.95rem;
}

.login-body {
    display: flex;
    flex-direction: column;
}

.login-field {
    margin-bottom: 1rem;
    position: relative;
}

.login-field input {
    width: 100%;
    padding: 0.9rem 2.8rem 0.9rem 1rem;
    background: #0f3460;
    border: 1px solid #1a4a7a;
    border-radius: 8px;
    color: #eee;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-field input:focus {
    border-color: #e94560;
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

.login-field input::placeholder {
    color: #666;
}

.login-toggle-pwd {
    position: absolute;
    right: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #556;
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.login-toggle-pwd:hover {
    color: #aab;
}

.login-error {
    color: #f87171;
    font-size: 0.85rem;
    min-height: 1.2em;
    margin-bottom: 1rem;
    text-align: center;
}

.login-btn {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, #e94560, #7c3aed);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Mobile login */
@media (max-width: 480px) {
    .login-panel {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }
}

/* ============================================================================
   Message Actions Bar
   ============================================================================ */
.message-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid #333;
    justify-content: flex-end;
    align-items: center;
}

/* Extraction spinner shown while facts are being extracted */
.extraction-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: #666;
    margin-right: auto;
}

.extraction-status .mini-spinner {
    width: 12px;
    height: 12px;
    border: 2px solid #333;
    border-top-color: #e94560;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Tools used badges */
.tools-used {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-right: auto;
}

.tool-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 500;
    color: #a8b2c1;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    white-space: nowrap;
}

.tool-badge:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: rgba(59, 130, 246, 0.5);
}

.tool-badge-failed {
    color: #f87171;
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

.tool-badge-failed:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.5);
}

/* Step accordion (permanent, on completed + restored messages) */
.step-accordion {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 0.375rem;
    padding-bottom: 0.375rem;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
}

.step-accordion-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.15s;
    font-size: 0.75rem;
}

.step-accordion-header:hover {
    color: rgba(255, 255, 255, 0.75);
}

.step-accordion-chevron {
    transition: transform 0.2s;
    flex-shrink: 0;
}

.step-accordion.expanded .step-accordion-chevron {
    transform: rotate(90deg);
}

.step-accordion .step-accordion-grid {
    display: none;
}

.step-accordion.expanded .step-accordion-grid {
    display: block;
}

.step-grid {
    margin-top: 0.375rem;
}

.step-row {
    display: grid;
    grid-template-columns: 1.5rem 5rem 1fr 3rem 1.5rem;
    gap: 0.25rem;
    padding: 0.125rem 0;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.step-row.has-tokens {
    grid-template-columns: 1.5rem 5rem 1fr 3.5rem 3rem 1.5rem;
}

.step-row:last-child {
    border-bottom: none;
}

.step-num {
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
}

.step-tool {
    color: #60a5fa;
    font-weight: 500;
}

.step-failed .step-tool {
    color: #f87171;
}

.step-args {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.35);
}

.step-tokens {
    text-align: right;
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.65rem;
}

.step-timing {
    text-align: right;
    color: rgba(255, 255, 255, 0.3);
}

.step-ok {
    color: #34d399;
    text-align: center;
}

.step-fail {
    color: #f87171;
    text-align: center;
}

/* Stop button */
.stop-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    margin-left: 0.75rem;
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: 4px;
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.15s;
}

.stop-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.6);
}

.stop-btn.hidden {
    display: none;
}

/* Tool Approval Modal (HITL) */
.tool-approval-modal-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 440px;
    background: #16213e;
    border: 1px solid #e6a817;
    border-radius: 8px;
    z-index: 500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    box-shadow: 0 8px 32px rgba(230, 168, 23, 0.15);
}

.modal-overlay.active .tool-approval-modal-panel {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.tool-approval-modal-panel .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #0f3460;
}

.tool-approval-modal-panel .modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #e6a817;
}

.tool-approval-modal-panel .modal-close-btn:hover {
    background: rgba(230, 168, 23, 0.2);
    color: #e6a817;
}

.tool-approval-modal-panel .modal-body {
    padding: 1.25rem;
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.5;
}

.tool-approval-action {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tool-approval-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.tool-approval-icon.risk-write {
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.tool-approval-icon.risk-code {
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.tool-approval-icon.risk-external {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.tool-approval-icon.risk-dangerous {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.tool-approval-action-text {
    flex: 1;
}

.tool-approval-action-text .tool-name {
    font-weight: 600;
    color: #eee;
    font-size: 0.95rem;
}

.tool-approval-action-text .tool-action {
    color: #aaa;
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

.tool-approval-risk-badge {
    display: inline-flex;
    padding: 0.15rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.tool-approval-risk-badge.risk-write {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.tool-approval-risk-badge.risk-code {
    color: #a855f7;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.25);
}

.tool-approval-risk-badge.risk-external {
    color: #60a5fa;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.tool-approval-risk-badge.risk-dangerous {
    color: #f87171;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.tool-approval-preview {
    background: #0a0f1e;
    border: 1px solid #1e293b;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: #94a3b8;
    max-height: 120px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 1rem;
}

.tool-approval-preview.hidden {
    display: none;
}

.tool-approval-remember-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: #aaa;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid #1e293b;
    border-radius: 6px;
}

.tool-approval-remember-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #e6a817;
    cursor: pointer;
}

.tool-approval-remember-label strong {
    color: #eee;
}

.tool-approval-modal-panel .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid #0f3460;
    background: #0f3460;
    border-radius: 0 0 8px 8px;
}

.tool-approval-modal-panel .modal-btn.approve-btn {
    background: linear-gradient(135deg, #e6a817, #d97706);
    border: 1px solid transparent;
    color: white;
}

.tool-approval-modal-panel .modal-btn.approve-btn:hover {
    filter: brightness(1.1);
}

.message-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
}

.message-action-btn:hover {
    background: rgba(233, 69, 96, 0.1);
    border-color: #e94560;
    color: #e94560;
}

/* TTS play button — green accent instead of red */
.message-action-btn.tts-btn {
    border-color: rgba(102, 102, 102, 0.3);
    color: #666;
}

.message-action-btn.tts-btn:hover {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
    color: #22c55e;
}

.message-action-btn.tts-btn.playing {
    color: #22c55e;
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.15);
}

.message-action-btn.tts-btn.loading {
    opacity: 0.6;
    pointer-events: none;
}

.message-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Delete button hidden until ready */
.message-action-btn.delete-btn {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.message-action-btn.delete-btn.ready {
    opacity: 1;
    pointer-events: auto;
}

/* Teacher mode: delete disabled for non-most-recent messages */
.message-action-btn.delete-btn.teacher-disabled {
    opacity: 0.3;
    pointer-events: none;
    cursor: not-allowed;
}

/* ============================================================================
   Retry Button (for errors)
   ============================================================================ */
.retry-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid #333;
}

.cooldown-message {
    font-size: 0.8rem;
    color: #f87171;
}

.cooldown-timer {
    font-weight: 600;
    color: #e94560;
}

.retry-btn {
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px solid #e94560;
    border-radius: 4px;
    color: #e94560;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.retry-btn:hover:not(:disabled) {
    background: rgba(233, 69, 96, 0.2);
}

.retry-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #666;
    color: #666;
}

.change-model-btn {
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px solid #0f3460;
    border-radius: 4px;
    color: #aaa;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.change-model-btn:hover {
    background: rgba(15, 52, 96, 0.5);
    color: #fff;
    border-color: #1a5490;
}

.delete-error-btn {
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px solid #4a4a4a;
    border-radius: 4px;
    color: #888;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.delete-error-btn:hover {
    background: rgba(200, 50, 50, 0.2);
    color: #f87171;
    border-color: #f87171;
}

/* ============================================================================
   Delete Confirmation Modal
   ============================================================================ */
.delete-modal-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 400px;
    background: #16213e;
    border: 1px solid #e94560;
    border-radius: 8px;
    z-index: 500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.modal-overlay.active .delete-modal-panel {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.delete-modal-panel .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #0f3460;
}

.delete-modal-panel .modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #e94560;
}

.modal-close-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: #888;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    line-height: 1;
}

.modal-close-btn:hover {
    background: rgba(233, 69, 96, 0.2);
    color: #e94560;
}

.delete-modal-panel .modal-body {
    padding: 1.25rem;
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.5;
}

.delete-modal-panel .modal-body p {
    margin: 0 0 0.75rem;
}

.delete-modal-panel .modal-body ul {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

.delete-modal-panel .modal-body li {
    margin-bottom: 0.35rem;
    color: #aaa;
}

.delete-modal-panel .warning-text {
    color: #f87171;
    font-weight: 500;
    margin-bottom: 0 !important;
}

.delete-modal-panel .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid #0f3460;
    background: #0f3460;
    border-radius: 0 0 8px 8px;
}

.modal-btn {
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-btn.cancel-btn {
    background: transparent;
    border: 1px solid #444;
    color: #aaa;
}

.modal-btn.cancel-btn:hover {
    border-color: #666;
    color: #eee;
}

.modal-btn.delete-btn {
    background: #e94560;
    border: 1px solid #e94560;
    color: white;
}

.modal-btn.delete-btn:hover {
    background: #d63850;
    border-color: #d63850;
}

.modal-btn.delete-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.modal-btn.primary-btn {
    background: linear-gradient(135deg, #e94560, #7c3aed);
    border: 1px solid transparent;
    color: white;
}

.modal-btn.primary-btn:hover {
    filter: brightness(1.1);
}

.modal-btn.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Delete Modal - Teacher Mode Section */
.delete-modal-panel .teacher-section {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(147, 51, 234, 0.1);
    border: 1px solid rgba(147, 51, 234, 0.3);
    border-radius: 6px;
}

.delete-modal-panel .teacher-section.hidden {
    display: none;
}

.delete-modal-panel .teacher-chunk-info {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.delete-modal-panel .teacher-label {
    color: #9333ea;
    font-weight: 500;
    margin-right: 0.5rem;
}

.delete-modal-panel #delete-chunk-info {
    color: #ccc;
}

.delete-modal-panel .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: #eee;
}

.delete-modal-panel .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #9333ea;
    cursor: pointer;
}

.delete-modal-panel .teacher-hint {
    margin-top: 0.5rem;
    margin-bottom: 0 !important;
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
}

/* ============================================================================
   Redo/Edit Prompt Modal
   ============================================================================ */
.redo-modal-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 600px;
    background: #16213e;
    border: 1px solid #0f3460;
    border-radius: 8px;
    z-index: 500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.modal-overlay.active .redo-modal-panel {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.redo-modal-panel .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #0f3460;
}

.redo-modal-panel .modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #e94560;
}

.redo-modal-panel .modal-body {
    padding: 1.25rem;
}

.redo-modal-panel .modal-body p {
    margin: 0 0 1rem;
    color: #aaa;
    font-size: 0.9rem;
}

.redo-modal-panel .attachments-container {
    margin-bottom: 0.75rem;
}

.redo-modal-panel textarea {
    width: 100%;
    padding: 0.75rem;
    background: #1a1a2e;
    border: 1px solid #333;
    border-radius: 6px;
    color: #eee;
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
}

.redo-modal-panel textarea:focus {
    outline: none;
    border-color: #e94560;
}

.redo-modal-panel textarea::placeholder {
    color: #666;
}

.redo-modal-panel .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid #0f3460;
    background: #0f3460;
    border-radius: 0 0 8px 8px;
}

/* Redo button styling */
.message-action-btn.redo-btn {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.message-action-btn.redo-btn.ready {
    opacity: 1;
    pointer-events: auto;
}

/* Redo button is hidden by default, shown only on last assistant message via JS */
.message.assistant .redo-btn.hidden {
    display: none;
}

/* ============================================================================
   KB Manager Styles
   ============================================================================ */

/* KB Nav Button (in settings menu) */
.kb-nav-section {
    padding: 0;
}

.kb-nav-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    gap: 0.5rem;
    font-size: 0.95rem;
    transition: background 0.2s;
}

.kb-nav-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.kb-nav-btn .brain-icon {
    flex-shrink: 0;
}

.kb-count-badge {
    background: var(--accent-color, #3b82f6);
    color: white;
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: auto;
}

.nav-arrow {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* KB Manager Panel */
.kb-manager-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90vw;
    max-width: 900px;
    height: 85vh;
    max-height: 700px;
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 8px;
    z-index: 500;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}

.kb-manager-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* KB Manager Header */
.kb-manager-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.kb-manager-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.kb-manager-nav h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.kb-back-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.kb-back-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.kb-back-btn.hidden {
    display: none;
}

/* KB Views */
.kb-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.kb-view.hidden {
    display: none;
}

/* KB Manager Toolbar */
.kb-manager-toolbar {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.kb-search {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.kb-search:focus {
    outline: none;
    border-color: var(--accent-color);
}

.kb-create-btn {
    padding: 0.5rem 1rem;
    background: var(--accent-color, #3b82f6);
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    font-size: 0.9rem;
    white-space: nowrap;
}

/* Compact "+" buttons in the toolbar */
.kb-manager-toolbar .kb-create-btn {
    padding: 0;
    width: 34px;
    height: 34px;
    font-size: 1.3rem;
    line-height: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kb-create-btn:hover {
    background: #2563eb;
}

/* KB List */
.kb-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.5rem;
    align-content: start;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.kb-list::-webkit-scrollbar {
    width: 4px;
}

.kb-list::-webkit-scrollbar-track {
    background: transparent;
}

.kb-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.kb-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.kb-empty, .kb-loading {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

/* When kb-list contains a card grid, let it span full width */
.kb-list > .context-card-grid {
    grid-column: 1 / -1;
}

/* KB Card */
.kb-card {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    transition: background 0.15s, border-color 0.15s;
}

.kb-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.kb-card-info {
    flex: 1;
    cursor: pointer;
    min-width: 0;
    margin-bottom: 0.5rem;
}

.kb-card-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.kb-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.kb-chunk-count {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

.kb-embed-model {
    opacity: 0.5;
    font-style: italic;
}

.kb-desc-preview {
    opacity: 0.7;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 300px;
}

.kb-card-actions {
    display: flex;
    gap: 0.25rem;
    align-self: flex-end;
}

.kb-action-btn {
    padding: 0.4rem;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.kb-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.kb-delete-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

/* KB Detail Tabs */
.kb-detail-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    padding: 0 1rem;
}

.kb-tab {
    padding: 0.6rem 1rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}

.kb-tab:hover {
    color: var(--text-primary);
}

.kb-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-color, #3b82f6);
    font-weight: 600;
}

.kb-tab-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.kb-tab-content.hidden {
    display: none;
}

/* Imports Tab */
.imports-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.imports-toolbar .chunk-count {
    flex: 1;
}

.imports-toolbar .kb-create-btn {
    margin-left: auto;
}

.imports-list {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.source-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.1s;
}

.source-file-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.source-file-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.source-file-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.source-file-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.source-file-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

.source-file-actions button {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 0.35rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.source-file-download:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.source-file-delete:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

/* Chunks View */
.chunks-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.chunk-count {
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
    flex: 1;
}

#add-chunk-btn {
    margin-left: auto;
}

.chunk-list {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.chunk-list::-webkit-scrollbar {
    width: 4px;
}

.chunk-list::-webkit-scrollbar-track {
    background: transparent;
}

.chunk-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.chunk-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.chunk-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.15s;
}

.chunk-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.chunk-item-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.chunk-id {
    font-weight: 500;
    color: var(--accent-color);
}

.chunk-pages {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.chunk-preview {
    font-size: 0.85rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chunk-summary {
    font-size: 0.8rem;
    color: var(--text-muted, #888);
    margin-top: 0.25rem;
    font-style: italic;
}

/* Chunks Pagination */
.chunks-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.pagination-btn {
    padding: 0.4rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.85rem;
}

.pagination-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

#chunks-page-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Chunk Editor */
.chunk-editor {
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
    display: flex;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
    flex-direction: column;
}

.chunk-editor::-webkit-scrollbar {
    width: 4px;
}

.chunk-editor::-webkit-scrollbar-track {
    background: transparent;
}

.chunk-editor::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.chunk-editor::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.editor-field {
    margin-bottom: 1rem;
}

.editor-field label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.editor-field input,
.editor-field textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    resize: vertical;
}

.editor-field input:focus,
.editor-field textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

#chunk-content {
    min-height: 200px;
    flex: 1;
}

.editor-footer {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* KB Dialogs */
.kb-dialog {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    backdrop-filter: blur(4px);
}

.kb-dialog.hidden {
    display: none;
}

.kb-dialog-content {
    background: var(--bg-primary, #0f0f23);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.kb-dialog-content h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
}

.dialog-field {
    margin-bottom: 1rem;
}

.dialog-field label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dialog-field input,
.dialog-field textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.dialog-field input:focus,
.dialog-field textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.field-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted, #888);
}

.dialog-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Button styles for KB manager */
.btn-primary {
    padding: 0.5rem 1rem;
    background: var(--accent-color, #3b82f6);
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-secondary {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-danger {
    padding: 0.5rem 1rem;
    background: #ef4444;
    border: none;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-danger.hidden {
    display: none;
}

.warning-text {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* Selector Label Row with Manage Icon */
.selector-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.manage-icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    opacity: 0.6;
    transition: opacity 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-3px);
}

.manage-icon-btn:hover {
    opacity: 1;
    color: var(--accent-color);
}

.manage-icon-btn svg {
    width: 16px;
    height: 16px;
}

/* KB Assignment Section (for agent/collection managers) */
.kb-assignment-section {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.kb-assignment-section:last-child {
    border-bottom: none;
}

.kb-assignment-section h3 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kb-assignment-list {
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.kb-assignment-list::-webkit-scrollbar {
    width: 4px;
}

.kb-assignment-list::-webkit-scrollbar-track {
    background: transparent;
}

.kb-assignment-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.kb-assignment-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.kb-assignment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 0.25rem;
    background: rgba(0, 0, 0, 0.2);
}

.kb-assignment-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.kb-assignment-name {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.assign-btn, .unassign-btn {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.assign-btn {
    background: var(--accent-color);
    color: white;
    border: none;
}

.assign-btn:hover {
    background: #2563eb;
}

.unassign-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.unassign-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* KB Dialog actions for agent/collection create */
.kb-dialog-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

.kb-dialog-content input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.kb-dialog-content input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.kb-dialog-content input:last-of-type {
    margin-bottom: 0;
}

/* ============================================================================
   Agent Detail Tabs
   ============================================================================ */
.agent-detail-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    padding: 0 1rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.1);
}

.agent-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 1.035rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    margin-bottom: -1px;
}

.agent-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.agent-tab.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background: transparent;
}

.agent-tab svg {
    opacity: 0.7;
}

.agent-tab.active svg {
    opacity: 1;
}

.agent-tab-content {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.agent-tab-content::-webkit-scrollbar {
    width: 4px;
}

.agent-tab-content::-webkit-scrollbar-track {
    background: transparent;
}

.agent-tab-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.agent-tab-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.agent-tab-content.hidden {
    display: none;
}

/* ============================================================================
   Memory Fields
   ============================================================================ */
.memory-system-prompt-section {
    padding: 0.75rem 1.25rem 1rem;
}

.memory-fields-intro-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0 0 0.5rem;
}

.memory-system-prompt-section textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 0.75rem 0.875rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    line-height: 1.5;
    resize: vertical;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.memory-system-prompt-section textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.memory-system-prompt-section textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.system-prompt-status {
    display: inline-block;
    font-size: 0.75rem;
    margin-top: 0.35rem;
    min-height: 1em;
}

.system-prompt-status.saved {
    color: #10b981;
}

.system-prompt-status.error {
    color: #ef4444;
}

.tool-instructions-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tool-instructions-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.tool-instructions-section textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    resize: vertical;
    font-family: inherit;
}

.tool-instructions-section textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.memory-fields-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
}

.memory-fields-intro {
    flex: 1;
}

.memory-fields-intro p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.memory-fields-list {
    padding: 0.75rem;
}

.memory-fields-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
    text-align: center;
}

.memory-fields-empty svg {
    opacity: 0.3;
    margin-bottom: 1rem;
}

.memory-fields-empty p {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.memory-fields-empty span {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Memory Field Card */
.memory-field-card {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid transparent;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: border-color 0.15s, background 0.15s;
}

.memory-field-card:hover {
    border-color: var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.field-card-main {
    flex: 1;
    min-width: 0;
}

.field-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.field-card-label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.field-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.field-badge.type {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.field-badge.type.autodate {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.field-badge.required {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
}

.field-badge.model {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.field-badge svg {
    width: 12px;
    height: 12px;
}

.field-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.field-key {
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    color: #94a3b8;
}

.field-default {
    opacity: 0.7;
}

.field-card-value {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    font-size: 0.8rem;
    line-height: 1.4;
}

.field-card-value .value-label {
    color: var(--text-secondary);
    margin-right: 0.25rem;
}

.field-card-value .value-text {
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

.field-card-value.empty .value-text {
    color: var(--text-secondary);
    font-style: italic;
}

.value-default-indicator {
    color: #666;
    font-size: 0.75rem;
    font-style: italic;
    margin-left: 0.25rem;
}

.field-card-actions {
    display: flex;
    gap: 0.25rem;
    margin-left: 1rem;
}

.field-action-btn {
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.field-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.field-action-btn.delete-field-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* ============================================================================
   Model Profile Selector Bar
   ============================================================================ */
.model-profile-bar {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    margin: 0 -0.5rem 0.5rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.profile-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.profile-chips {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.profile-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.85rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.profile-chip:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.profile-chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.profile-chip-delete {
    font-size: 0.9rem;
    line-height: 1;
    opacity: 0.5;
    cursor: pointer;
    margin-left: 0.15rem;
}

.profile-chip-delete:hover {
    opacity: 1;
    color: #ef4444;
}

.profile-chip.active .profile-chip-delete:hover {
    color: #fca5a5;
}

.profile-add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    background: transparent;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.15s;
}

.profile-add-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(99, 102, 241, 0.08);
    border-style: solid;
}

/* ============================================================================
   Field Editor Dialog
   ============================================================================ */
.field-editor {
    width: 520px;
    max-width: 520px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    border-radius: 12px;
    overflow: hidden;
}

.field-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.field-editor-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.field-editor-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.4rem;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, background 0.15s;
    line-height: 1;
}

.field-editor-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.field-editor-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.field-editor-form::-webkit-scrollbar {
    width: 4px;
}

.field-editor-form::-webkit-scrollbar-track {
    background: transparent;
}

.field-editor-form::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.field-editor-form::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

.field-row-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.field-row {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.field-row > label:not(.setting-toggle) {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.field-row input[type="text"] {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.field-row input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field-row input[type="text"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(0, 0, 0, 0.1);
}

.field-row textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.field-row textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field-row select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    color-scheme: dark;
}

.field-row select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field-hint {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Compact toggle for field editor */
.setting-toggle.compact {
    padding: 0.75rem 1rem;
    gap: 0.75rem;
}

.setting-toggle.compact .toggle-slider {
    width: 36px;
    height: 20px;
    border-radius: 10px;
}

.setting-toggle.compact .toggle-slider::after {
    width: 14px;
    height: 14px;
    top: 2px;
    left: 2px;
}

.setting-toggle.compact input:checked + .toggle-slider::after {
    transform: translateX(16px);
}

.setting-toggle.compact .toggle-label strong {
    font-size: 0.85rem;
}

.setting-toggle.compact .toggle-label small {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Field editor footer */
.field-editor-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.field-editor-error {
    flex: 1;
    color: #ef4444;
    font-size: 0.8rem;
}

@media (max-width: 600px) {
    .field-row-pair {
        grid-template-columns: 1fr;
    }
    .field-editor {
        width: 95vw;
    }
}

/* ============================================================================
   Agent Database UI
   ============================================================================ */

/* Memory tab accordions spacing */
#agent-tab-memory {
    padding-bottom: 1rem;
}

#agent-tab-memory .settings-accordion {
    margin: 0.75rem 1.25rem 0;
}

#agent-tab-memory .settings-accordion + .settings-accordion {
    margin-top: 0.5rem;
    margin-left: 1.25rem;
    margin-right: 1.25rem;
}

#agent-tab-memory .settings-accordion.expanded .settings-accordion-body {
    max-height: 4000px;
}

/* DB container inside accordion */
.db-container {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.db-default-on-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-secondary, #888);
    padding: 4px 0 0 44px;
}

.db-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.db-content.hidden {
    display: none;
}

/* Table card list */
.db-table-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
    position: relative;
}

.db-table-list--tiered {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 1rem 0;
}

.db-table-tier {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
}

.db-table-list--tiered .db-table-card {
    width: 200px;
    flex-shrink: 0;
}

.db-add-table-btn {
    display: block;
    margin: 0.5rem auto 0;
    padding: 0.3rem 0.85rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.db-add-table-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.db-relationship-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}

.db-relationship-line {
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 1.5;
    fill: none;
}

.db-relationship-dot {
    fill: rgba(255, 255, 255, 0.25);
}

.db-table-card {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.db-table-card:hover {
    border-color: var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.db-table-card.selected {
    border-color: var(--accent-color, #3b82f6);
    background: rgba(59, 130, 246, 0.08);
}

.db-table-card-main {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.db-table-card-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.db-table-card-key {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.db-table-card-meta {
    display: flex;
    gap: 0.5rem;
}

.db-table-card-actions {
    display: flex;
    gap: 0.25rem;
    justify-content: flex-end;
    opacity: 0;
    transition: opacity 0.15s;
}

.db-table-card:hover .db-table-card-actions {
    opacity: 1;
}

.db-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
}

/* Empty state */
.db-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
    text-align: center;
}

.db-empty-state svg {
    opacity: 0.3;
    margin-bottom: 0.75rem;
}

.db-empty-state p {
    margin: 0 0 0.25rem 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.db-empty-state span {
    font-size: 0.8rem;
    opacity: 0.7;
}

.db-empty-rows {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Table detail view */
.db-table-detail {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.1);
}

.db-table-detail.hidden {
    display: none;
}

.db-detail-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.15);
}

.db-detail-header h4 {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 600;
}

.db-detail-header .db-add-row-btn {
    margin-left: auto;
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
}

/* Data table */
.db-data-table-wrap {
    overflow-x: auto;
}

.db-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.db-data-table th {
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.db-data-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.db-data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.db-data-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.08);
    color: rgba(255, 255, 255, 0.55);
}

.db-data-table tbody tr:nth-child(even):hover {
    background: rgba(255, 255, 255, 0.03);
}

.db-id-cell {
    color: var(--text-secondary) !important;
    font-size: 0.75rem;
    width: 40px;
}

.db-row-actions {
    display: flex;
    gap: 0.25rem;
    justify-content: flex-end;
    white-space: nowrap;
    overflow: visible;
    min-width: 70px;
}

.db-row-actions .field-action-btn {
    opacity: 0.3;
    transition: opacity 0.15s;
}

.db-data-table tbody tr:hover .db-row-actions .field-action-btn {
    opacity: 1;
}

/* Sortable column headers */
.db-sortable-th {
    cursor: pointer;
    user-select: none;
    transition: color 0.15s;
}

.db-sortable-th:hover {
    color: var(--text-primary);
}

.db-sorted {
    color: var(--accent-color, #3b82f6);
}

/* Table footer: page size + pagination */
.db-table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--border-color);
}

/* Page size dropdown */
.db-page-size-wrap {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.db-page-size-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.db-page-size-select {
    padding: 0.2rem 1.4rem 0.2rem 0.4rem;
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary, #eee);
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.3rem center;
}

.db-page-size-select:focus {
    outline: none;
    border-color: var(--accent-color, #3b82f6);
}

.db-page-size-select option {
    background: #1a1f2e;
    color: var(--text-primary, #eee);
}

/* Pagination */
.db-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.db-page-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.db-page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.15s;
}

.db-page-btn:hover:not([disabled]) {
    background: rgba(255, 255, 255, 0.1);
}

.db-page-btn[disabled] {
    opacity: 0.25;
    cursor: default;
}

/* Column editor within table editor modal */
.db-column-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-top: 0.5rem;
}

.db-column-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: center;
}

.db-column-row input,
.db-column-row select {
    padding: 0.5rem 0.625rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.8rem;
    min-width: 0;
    color-scheme: dark;
}

.db-column-row select option {
    background: #1a1a2e;
    color: #eee;
}

.db-col-group {
    display: flex;
    gap: 0.375rem;
    align-items: center;
}

.db-col-group .col-label {
    flex: 1;
    min-width: 0;
}

.db-col-group select {
    width: 76px;
    flex-shrink: 0;
}

.db-add-column-btn {
    align-self: flex-start;
    margin-top: 0.25rem;
    font-size: 0.8rem !important;
    padding: 0.35rem 0.75rem !important;
}

.db-remove-column-btn {
    width: 28px;
    height: 28px;
}

.db-remove-column-btn[disabled] {
    opacity: 0.2;
    pointer-events: none;
}

/* Table editor modal sizing */
.db-table-editor {
    max-width: 560px;
}

/* Row editor modal sizing */
.db-row-editor {
    max-width: 480px;
}

.db-row-editor textarea {
    width: 100%;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    font-size: inherit;
}

/* Confirm dialog */
.db-confirm-content {
    max-width: 400px;
    padding: 1.5rem;
}

.db-confirm-content h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
}

.db-confirm-content p {
    margin: 0 0 1.25rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.db-confirm-danger {
    background: #ef4444 !important;
    border-color: #ef4444 !important;
}

.db-confirm-danger:hover {
    background: #dc2626 !important;
}

.db-loading {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Table detail loading overlay & transitions */
.db-table-detail {
    position: relative;
}

.db-table-detail--loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 2;
    border-radius: 8px;
    animation: db-fade-in 0.15s ease;
}

.db-table-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    width: 24px;
    height: 24px;
    border: 2.5px solid rgba(255, 255, 255, 0.15);
    border-top-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.db-table-detail-inner {
    opacity: 0;
    animation: db-fade-in 0.2s ease forwards;
}

@keyframes db-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Import/Export buttons in detail header */
.db-detail-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.db-detail-header-actions .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    padding: 0.3rem 0.6rem;
}

.db-detail-header-actions .btn-secondary svg {
    flex-shrink: 0;
}

/* Export dropdown */
.db-export-dropdown {
    position: relative;
}

.db-export-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 10;
    background: var(--bg-secondary, #1e1e2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    padding: 0.25rem 0;
    min-width: 80px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.db-export-menu.hidden {
    display: none;
}

.db-export-option {
    display: block;
    width: 100%;
    padding: 0.4rem 0.75rem;
    text-align: left;
    background: none;
    border: none;
    color: inherit;
    font-size: 0.8rem;
    cursor: pointer;
}

.db-export-option:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Import dialog */
.db-import-editor {
    max-width: 440px;
}

.db-import-body {
    padding: 1rem;
}

.db-import-dropzone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.db-import-dropzone:hover,
.db-import-dropzone.dragover {
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.05);
}

.db-import-dropzone svg {
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 0.5rem;
}

.db-import-dropzone p {
    margin: 0 0 0.25rem;
    font-size: 0.85rem;
}

.db-import-dropzone span {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

.db-import-dropzone.hidden {
    display: none;
}

.db-import-file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 0.82rem;
}

.db-import-file-info.hidden {
    display: none;
}

.db-import-file-info span {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.db-import-mode {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.82rem;
}

.db-import-mode label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.db-import-warning {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 6px;
    font-size: 0.78rem;
    color: #ef4444;
}

.db-import-warning.hidden {
    display: none;
}

/* ── Reference / Link Column UI ── */

/* Searchable toggle in column editor */
.db-searchable-toggle {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    opacity: 0.35;
    transition: opacity 0.15s, color 0.15s;
    flex-shrink: 0;
}
.db-searchable-toggle:has(input:checked) {
    opacity: 1;
    color: var(--accent-color, #3b82f6);
}
.db-searchable-toggle input {
    display: none;
}
.db-searchable-toggle:hover {
    opacity: 0.7;
}

/* Reference table dropdown in column editor */
.col-ref-table {
    width: 120px !important;
    flex-shrink: 0;
    font-size: 0.78rem;
}

/* Reference field in row editor */
.db-ref-field {
    position: relative;
}
.db-ref-input-row {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}
.db-ref-search {
    flex: 1;
    min-width: 120px;
    padding: 0.5rem 0.625rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.8rem;
}
.db-ref-search:focus {
    outline: none;
    border-color: var(--accent-color, #3b82f6);
}
.db-ref-display {
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding: 0.25rem 0;
}
.db-ref-none {
    opacity: 0.5;
    font-style: italic;
}
.db-ref-clear {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    min-width: auto;
    line-height: 1;
}
.db-ref-dropdown {
    position: absolute;
    top: calc(100% - 1.2rem);
    left: 0;
    right: 0;
    z-index: 20;
    background: var(--bg-secondary, #1e1e2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    margin-top: 2px;
}
.db-ref-dropdown.hidden {
    display: none;
}
.db-ref-option {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-primary);
    transition: background 0.1s;
}
.db-ref-option:hover {
    background: rgba(59, 130, 246, 0.15);
}
.db-ref-id {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.45;
    margin-left: 0.25rem;
}
.db-ref-no-results {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ── Docling Import Dialog ── */
.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 2px;
}

.docling-import-editor {
    max-width: 480px;
}

.docling-import-body {
    padding: 1.25rem;
}

.docling-step.hidden {
    display: none;
}

/* Advanced options for PDF */
.docling-options {
    margin-top: 1rem;
    font-size: 0.85rem;
}

.docling-options summary {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.82rem;
    padding: 0.25rem 0;
    user-select: none;
}

.docling-options summary:hover {
    color: var(--text-primary);
}

.docling-options-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
}

.docling-options-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.docling-options-grid select {
    padding: 0.4rem 0.6rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.82rem;
}

.docling-options-grid .setting-toggle.compact {
    padding: 0.5rem 0.75rem;
    font-size: 0.82rem;
    gap: 0.625rem;
}

.docling-options-grid .setting-toggle.compact .toggle-slider {
    width: 36px;
    height: 20px;
}

.docling-options-grid .setting-toggle.compact .toggle-slider::after {
    width: 14px;
    height: 14px;
}

.docling-options-grid .setting-toggle.compact input:checked + .toggle-slider::after {
    transform: translateX(16px);
}

/* Resume notice */
.docling-resume-notice {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(251, 191, 36, 0.08);
    border: 1px solid rgba(251, 191, 36, 0.2);
    border-radius: 8px;
    font-size: 0.82rem;
    color: #fbbf24;
}

.docling-resume-notice.hidden {
    display: none;
}

.docling-resume-notice .setting-toggle.compact {
    margin-top: 0.5rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
    gap: 0.5rem;
}

/* Progress bars */
.docling-progress-info {
    margin-bottom: 1rem;
}

.docling-progress-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.docling-progress-detail {
    font-size: 0.82rem;
    color: var(--text-secondary);
    min-height: 1.2em;
}

.docling-phase {
    margin-bottom: 0.625rem;
}

.docling-phase-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.docling-progress-bar-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    overflow: hidden;
}

.docling-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-color, #3b82f6);
    border-radius: 3px;
    transition: width 0.4s ease;
}

.docling-progress-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.docling-progress-stats {
    font-size: 0.78rem;
    color: var(--text-secondary);
    min-height: 1em;
}

.docling-timer {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

/* Complete state */
.docling-complete-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: rgba(34, 197, 94, 0.12);
    border-radius: 50%;
    font-size: 1.5rem;
    color: #22c55e;
}

.docling-complete-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.docling-complete-text strong {
    color: var(--accent-color, #3b82f6);
}

@media (max-width: 600px) {
    .db-table-list {
        grid-template-columns: 1fr;
    }
    .db-table-list--tiered .db-table-card {
        width: 100%;
    }
    .db-column-row {
        grid-template-columns: 1fr 1fr;
        gap: 0.25rem;
    }
    .db-column-row select {
        width: 100%;
    }
}

/* ============================================================================
   Agent Settings Tab
   ============================================================================ */
.agent-settings-form {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Settings Toggles */
.settings-toggles {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.setting-toggle {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
}

.setting-toggle:hover {
    background: rgba(0, 0, 0, 0.3);
}

.setting-toggle input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 48px;
    height: 26px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 13px;
    flex-shrink: 0;
    transition: background 0.2s, border-color 0.2s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}

.setting-toggle input:checked + .toggle-slider {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.setting-toggle input:checked + .toggle-slider::after {
    transform: translateX(22px);
    background: white;
}

.toggle-label {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.toggle-label strong {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.toggle-label small {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Settings Section (System Prompt) */
.settings-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.settings-section > label {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.settings-section > label strong {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-section > label small {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.settings-section textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    line-height: 1.6;
    resize: vertical;
    min-height: 200px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.settings-section textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.settings-section textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* Settings Actions */
.settings-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.settings-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.settings-status.modified {
    color: #fbbf24;
}

.settings-status.saving {
    color: var(--accent-color);
}

.settings-status.saved {
    color: #22c55e;
}

.settings-status.error {
    color: #ef4444;
}

.settings-actions button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Segmented Control */
.segmented-control {
    display: flex;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 8px;
    padding: 4px;
    gap: 4px;
}

.segment {
    flex: 1;
    padding: 0.625rem 0.875rem;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.segment:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.segment.active {
    background: var(--accent-color, #3b82f6);
    color: white;
}

.segment.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.segment.disabled:hover {
    background: transparent;
    color: var(--text-secondary);
}

/* Disabled state for teacher questions section */
#teacher-questions-section.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.question-freq-description {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Risk Badges */
.tool-risk-badge {
    font-size: 0.6rem;
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.03em;
    vertical-align: middle;
}
.risk-safe     { background: rgba(52,211,153,0.15); color: #34d399; }
.risk-external { background: rgba(96,165,250,0.15); color: #60a5fa; }
.risk-write    { background: rgba(251,146,60,0.15); color: #fb923c; }
.risk-code     { background: rgba(248,113,113,0.15); color: #f87171; }
.risk-dangerous { background: rgba(239,68,68,0.2); color: #ef4444; }

/* ── Settings Accordion ── */
.settings-accordion {
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.1);
}

.settings-accordion-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.875rem 1.125rem;
    background: rgba(0, 0, 0, 0.15);
    border: none;
    color: var(--text-primary, #eee);
    cursor: pointer;
    transition: background 0.15s;
    gap: 0.625rem;
}

.settings-accordion-toggle:hover {
    background: rgba(0, 0, 0, 0.25);
}

.settings-accordion-title {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.settings-accordion-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary, #888);
    margin-left: auto;
    margin-right: 0.25rem;
}

.settings-accordion-chevron {
    transition: transform 0.25s ease;
    color: var(--text-secondary, #888);
    flex-shrink: 0;
}

.settings-accordion.expanded .settings-accordion-chevron {
    transform: rotate(180deg);
}

.settings-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.settings-accordion.expanded .settings-accordion-body {
    max-height: 2000px;
}

/* ── General Settings Grid ── */
.general-settings-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1rem;
}

.general-setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: opacity 0.2s, border-color 0.2s;
}

.general-setting-item:not(.override-active) .general-setting-control,
.general-setting-item:not(.override-active) .slider-labels {
    opacity: 0.3;
    pointer-events: none;
}

.general-setting-item.override-active {
    border-color: rgba(59, 130, 246, 0.2);
}

.general-setting-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
}

.general-setting-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    flex: 1;
}

.general-setting-info strong {
    font-size: 0.9rem;
    font-weight: 500;
    color: #eee;
}

.general-setting-info small {
    font-size: 0.78rem;
    color: #888;
    line-height: 1.3;
}

.general-setting-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: opacity 0.2s;
}

.general-setting-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
}

.general-setting-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: box-shadow 0.15s;
}

.general-setting-control input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.general-setting-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.general-setting-control .slider-value {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 2rem;
    text-align: center;
    color: #eee;
}

.general-setting-item .slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: #666;
    margin-top: -0.25rem;
    padding: 0 0.125rem;
    transition: opacity 0.2s;
}

/* Override toggle (compact mini toggle) */
.override-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.override-toggle .override-checkbox {
    display: none;
}

.override-slider {
    position: relative;
    width: 36px;
    height: 20px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    transition: background 0.2s, border-color 0.2s;
}

.override-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}

.override-checkbox:checked + .override-slider {
    background: #3b82f6;
    border-color: #3b82f6;
}

.override-checkbox:checked + .override-slider::after {
    transform: translateX(16px);
    background: white;
}

.override-default-label {
    font-size: 0.75rem;
    color: #666;
    font-style: italic;
    padding-left: 0.125rem;
}

.override-default-label.hidden {
    display: none;
}

/* ── Tool Cards Grid ── */
.tool-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.625rem;
    padding: 1rem;
    transition: padding-bottom 0.25s ease;
}

.tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem 0.625rem 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    position: relative;
    gap: 0.375rem;
    user-select: none;
}

.tool-card::after {
    content: '✕';
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    color: rgba(239, 68, 68, 0.7);
    transition: color 0.2s;
    pointer-events: none;
}

.tool-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.3);
}

.tool-card.enabled {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.06);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.15);
}

.tool-card.enabled::after {
    content: '✓';
    color: rgba(34, 197, 94, 0.9);
}

.tool-card.enabled:hover {
    border-color: rgba(59, 130, 246, 0.45);
    background: rgba(59, 130, 246, 0.1);
}

.tool-card-checkbox {
    display: none;
}

.tool-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.125rem;
}

.tool-card-icon svg {
    color: var(--text-secondary, #888);
    transition: color 0.2s;
}

.tool-card.enabled .tool-card-icon svg {
    color: var(--accent-color, #3b82f6);
}

.tool-card-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary, #eee);
    line-height: 1.2;
}

.tool-card-desc {
    font-size: 0.65rem;
    color: var(--text-secondary, #888);
    line-height: 1.3;
    max-height: 2.6em;
    overflow: hidden;
}

.tool-llm-badge {
    position: absolute;
    bottom: 5px;
    left: 6px;
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 1px 4px;
    border-radius: 3px;
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
    pointer-events: none;
    line-height: 1.4;
}
.tool-card.enabled .tool-llm-badge {
    background: rgba(168, 85, 247, 0.25);
    color: #c084fc;
}

/* ── Doc Create Download Bar ── */
.doc-download-bar {
    margin: 8px 0 4px;
    padding: 0 12px;
}
.doc-download-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    color: #60a5fa;
    text-decoration: none;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.15s ease;
}
.doc-download-link:hover {
    background: rgba(59, 130, 246, 0.22);
    border-color: rgba(59, 130, 246, 0.5);
    color: #93bbfc;
}
.doc-download-icon {
    font-size: 1.1rem;
    line-height: 1;
}
.doc-download-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 4px;
    background: rgba(59, 130, 246, 0.2);
    color: #93bbfc;
    letter-spacing: 0.05em;
}
.doc-download-link.expired {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: rgba(100, 100, 100, 0.3);
    background: rgba(100, 100, 100, 0.08);
    color: #888;
}
.doc-download-link.expired:hover {
    background: rgba(100, 100, 100, 0.08);
    border-color: rgba(100, 100, 100, 0.3);
    color: #888;
}
.expired-badge {
    background: rgba(220, 80, 80, 0.2) !important;
    color: #e07070 !important;
}

.tool-card .tool-risk-badge {
    margin-top: auto;
    font-size: 0.55rem;
}

/* ── Per-Tool Config (Gear Icon + Lightbox Panel) ── */

/* Lightbox overlay — covers the admin panel */
.tool-config-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.tool-config-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Gear / close button */
.tool-config-btn {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 20px;
    height: 20px;
    padding: 3px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    border-radius: 4px;
    transition: color 0.2s;
    display: none;
    z-index: 2;
}
.tool-card.enabled .tool-config-btn {
    display: flex;
    align-items: center;
    justify-content: center;
}
.tool-config-btn:hover {
    color: rgba(255, 255, 255, 0.7);
}
.tool-config-btn.open {
    color: #f87171;
}

/* Card elevated state when config is open */
.tool-card.config-open {
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border-radius: 10px 10px 0 0;
    border-color: rgba(59, 130, 246, 0.3);
}

/* Config panel — absolutely positioned below card, doesn't affect grid row */
.tool-config-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
    background: rgba(20, 25, 35, 0.95);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-top: none;
    border-radius: 0 0 10px 10px;
    padding: 0 8px;
    z-index: 100;
}
.tool-config-panel.open {
    max-height: 200px;
    padding: 8px;
}


.config-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.7rem;
    color: var(--text-secondary, #888);
    padding: 3px 0;
}

.config-label {
    white-space: nowrap;
}

/* Mini mode toggle (Pattern / LLM) */
.config-mode-toggle {
    display: flex;
    gap: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 5px;
    padding: 2px;
}
.config-mode-btn {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 8px;
    border: none;
    background: none;
    color: var(--text-secondary, #888);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}
.config-mode-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}
.config-mode-btn:hover:not(.active) {
    color: var(--text-primary, #eee);
}

/* Default on toggle */
.config-toggle {
    position: relative;
    width: 28px;
    height: 16px;
    flex-shrink: 0;
}
.config-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}
.config-toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}
.config-toggle-slider::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    left: 2px;
    top: 2px;
    background: #666;
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}
.config-toggle input:checked + .config-toggle-slider {
    background: rgba(59, 130, 246, 0.3);
}
.config-toggle input:checked + .config-toggle-slider::before {
    transform: translateX(12px);
    background: #60a5fa;
}

/* Reset approvals button */
.config-reset-btn {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--text-secondary, #888);
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 3px 8px;
    cursor: pointer;
    transition: all 0.15s;
    width: 100%;
}
.config-reset-btn:hover {
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.08);
}
.config-reset-btn.cleared {
    color: #22c55e;
    border-color: rgba(34, 197, 94, 0.3);
}

/* ── Tool Settings Grid ── */
.tool-settings-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1rem;
}

.tool-setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tool-setting-header {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.tool-setting-header strong {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary, #eee);
}

.tool-setting-header small {
    font-size: 0.78rem;
    color: var(--text-secondary, #888);
}

.tool-setting-hint {
    font-size: 0.78rem;
    color: var(--text-secondary, #888);
    font-style: italic;
}

.tool-setting-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary, #eee);
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.15s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

.tool-setting-select:focus {
    outline: none;
    border-color: var(--accent-color, #3b82f6);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.tool-setting-select option {
    background: #1a1f2e;
    color: var(--text-primary, #eee);
}

/* ── Tool Chains ── */
.tool-chains-section {
    padding: 1rem;
}

.tool-chains-desc {
    font-size: 0.8rem;
    color: var(--text-secondary, #888);
    margin: 0 0 0.75rem;
}

.tool-chains-empty {
    font-size: 0.8rem;
    color: var(--text-secondary, #666);
    font-style: italic;
    margin: 0.5rem 0;
}

.chain-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
}

.chain-row-info {
    flex: 1;
    min-width: 0;
}

.chain-row-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chain-row-name {
    font-size: 0.85rem;
    color: var(--text-primary, #eee);
}

.chain-row-steps {
    font-size: 0.72rem;
    color: var(--text-secondary, #888);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

.chain-row-flow {
    font-size: 0.75rem;
    color: var(--text-secondary, #888);
    margin-top: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chain-row-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.chain-edit-btn, .chain-delete-btn {
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.chain-edit-btn:hover {
    color: var(--accent-color, #3b82f6);
    background: rgba(59, 130, 246, 0.1);
}

.chain-delete-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}
.chain-delete-btn.hidden, .chain-confirm-delete-btn.hidden {
    display: none;
}
.chain-confirm-delete-btn {
    background: #ef4444;
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: chain-delete-pulse 0.6s ease-in-out infinite alternate;
}
.chain-confirm-delete-btn:hover {
    background: #dc2626;
}
@keyframes chain-delete-pulse {
    from { opacity: 0.85; }
    to { opacity: 1; }
}

.chain-enabled-toggle {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.chain-enabled-toggle input[type="checkbox"] {
    display: none;
}

.chain-enabled-toggle .toggle-slider.small {
    width: 28px;
    height: 14px;
}

.chain-enabled-toggle .toggle-slider.small::after {
    width: 10px;
    height: 10px;
    top: 1px;
    left: 1px;
}

.chain-enabled-toggle input:checked + .toggle-slider.small {
    background: var(--accent-color, #3b82f6);
    border-color: var(--accent-color, #3b82f6);
}

.chain-enabled-toggle input:checked + .toggle-slider.small::after {
    transform: translateX(14px);
    background: white;
}

.tool-chain-add-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4rem 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px dashed rgba(245, 158, 11, 0.4);
    border-radius: 6px;
    color: #f59e0b;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    margin-top: 0.25rem;
}

.tool-chain-add-btn:hover {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.6);
}

/* Chain Editor */
.chain-editor {
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
}

.chain-editor-header {
    font-size: 0.9rem;
    font-weight: 600;
    color: #f59e0b;
    margin-bottom: 0.75rem;
}

.chain-editor-row {
    margin-bottom: 0.6rem;
}

.chain-editor-row label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary, #888);
    margin-bottom: 0.2rem;
}

.chain-editor-row input[type="text"],
.chain-editor-row textarea,
.chain-editor-row select {
    width: 100%;
    padding: 0.4rem 0.6rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 4px;
    color: var(--text-primary, #eee);
    font-size: 0.82rem;
    font-family: inherit;
    box-sizing: border-box;
}

.chain-editor-row input:disabled {
    opacity: 0.5;
}

.chain-editor-row textarea {
    resize: vertical;
    min-height: 40px;
}

.chain-editor-row-pair {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.6rem;
}

.chain-toggle-label {
    font-size: 0.82rem;
    color: var(--text-primary, #eee);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.chain-editor-steps-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

.chain-editor-steps-header label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary, #eee);
}

.chain-add-step-btn {
    background: none;
    border: 1px dashed var(--border-color, #0f3460);
    color: var(--text-secondary, #888);
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
}

.chain-add-step-btn:hover {
    border-color: var(--accent-color, #3b82f6);
    color: var(--accent-color, #3b82f6);
}

.chain-step-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.chain-step-num {
    font-size: 0.72rem;
    color: var(--text-secondary, #888);
    width: 1.2rem;
    text-align: center;
    flex-shrink: 0;
}

.chain-step-tool {
    width: 110px;
    flex-shrink: 0;
    padding: 0.3rem 0.4rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 4px;
    color: var(--text-primary, #eee);
    font-size: 0.78rem;
}

.chain-step-instruction {
    flex: 1;
    padding: 0.3rem 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color, #0f3460);
    border-radius: 4px;
    color: var(--text-primary, #eee);
    font-size: 0.78rem;
}

.chain-step-remove {
    background: none;
    border: none;
    color: var(--text-secondary, #666);
    cursor: pointer;
    padding: 0.2rem;
    flex-shrink: 0;
}

.chain-step-remove:hover {
    color: #ef4444;
}

.chain-editor-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 0.75rem;
}

.chain-editor-error {
    font-size: 0.78rem;
    color: #ef4444;
    margin-top: 0.4rem;
}

.chain-cancel-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.chain-save-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* ── Overhauled Controls ── */
.max-iterations-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.max-iterations-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
}

.max-iterations-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #3b82f6);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: box-shadow 0.15s;
}

.max-iterations-control input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.max-iterations-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #3b82f6);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.max-iterations-control .slider-value {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.token-budget-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.token-budget-control input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
}

.token-budget-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #3b82f6);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: box-shadow 0.15s;
}

.token-budget-control input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.token-budget-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #3b82f6);
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.token-budget-control .slider-value {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.token-budget-custom-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary, #888);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.token-budget-custom-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-primary, #eee);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Token budget custom inline row */
.token-budget-custom-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    animation: fadeSlideDown 0.15s ease;
}

.token-budget-custom-row.hidden {
    display: none;
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.token-budget-custom-row input[type="number"] {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary, #eee);
    border: 1px solid var(--accent-color, #3b82f6);
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.token-budget-custom-row input[type="number"]:focus {
    border-color: var(--accent-color, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.token-budget-custom-suffix {
    font-size: 0.75rem;
    color: var(--text-secondary, #888);
    white-space: nowrap;
}

.token-budget-custom-apply,
.token-budget-custom-cancel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary, #888);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.token-budget-custom-apply:hover {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border-color: rgba(34, 197, 94, 0.3);
}

.token-budget-custom-cancel:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

/* ── Tool Cards & Settings Mobile ── */
@media (max-width: 600px) {
    .tool-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 0.5rem;
        padding: 0.75rem;
    }

    .tool-card {
        padding: 0.75rem 0.5rem 0.625rem;
    }

    .tool-card-icon {
        width: 32px;
        height: 32px;
    }

    .tool-card-icon svg {
        width: 22px;
        height: 22px;
    }

    .tool-card-desc {
        font-size: 0.6rem;
    }

    .tool-settings-grid {
        padding: 0.75rem;
    }
}

/* ── KB Manager & Agent Manager Mobile ── */
@media (max-width: 600px) {
    /* Full-screen modal on mobile */
    .kb-manager-panel {
        width: 100vw;
        height: 100dvh;
        max-width: none;
        max-height: none;
        border-radius: 0;
        border: none;
        top: 0;
        left: 0;
        transform: none;
    }

    .kb-manager-panel.open {
        transform: none;
    }

    .kb-manager-header {
        padding: 0.75rem 1rem;
    }

    .kb-manager-nav h2 {
        font-size: 1rem;
    }

    /* Make close button prominent on full-screen mobile */
    .kb-manager-panel .modal-close {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
        flex-shrink: 0;
        color: var(--text-primary, #ccc);
        background: rgba(255, 255, 255, 0.08);
        border-radius: 50%;
    }

    /* KB list grid: single column on narrow screens */
    .kb-list {
        grid-template-columns: 1fr;
    }

    /* Chunks toolbar: wrap on mobile */
    .chunks-toolbar {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.625rem 0.75rem;
    }

    .chunks-toolbar .kb-search {
        order: 1;
        flex: 1 1 100%;
        min-width: 0;
    }

    .chunks-toolbar .chunk-count {
        order: 2;
    }

    .chunks-toolbar #add-chunk-btn {
        order: 3;
        margin-left: auto;
        font-size: 0.8rem;
        padding: 0.35rem 0.625rem;
    }

    /* Imports toolbar */
    .imports-toolbar {
        padding: 0.625rem 0.75rem;
    }

    /* Pagination */
    .chunks-pagination {
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .pagination-btn {
        padding: 0.35rem 0.5rem;
        font-size: 0.8rem;
    }

    /* Source file items */
    .source-file-item {
        padding: 0.625rem 0.75rem;
    }

    /* Agent detail tabs: compact for mobile */
    .agent-detail-tabs {
        padding: 0;
    }

    .agent-tab {
        padding: 0.625rem 0.625rem;
        font-size: 0.78rem;
        gap: 0.3rem;
    }

    .agent-tab svg {
        width: 14px;
        height: 14px;
    }
}

/* ============================================================================
   Confirmation Dialog
   ============================================================================ */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.confirm-overlay.active {
    opacity: 1;
    visibility: visible;
}

.confirm-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    z-index: 10002;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.confirm-dialog.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.confirm-header {
    padding: 1.25rem 1.5rem 0.75rem;
}

.confirm-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.confirm-body {
    padding: 0 1.5rem 1.25rem;
}

.confirm-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.confirm-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.confirm-checkbox-label.hidden {
    display: none;
}

.confirm-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: #ef4444;
}

.confirm-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 12px 12px;
}

.confirm-btn {
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    border: 1px solid transparent;
}

.confirm-btn.cancel {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.confirm-btn.cancel:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.confirm-btn.danger {
    background: #dc2626;
    color: white;
}

.confirm-btn.danger:hover {
    background: #ef4444;
}

.confirm-btn.primary {
    background: var(--accent-color);
    color: white;
}

.confirm-btn.primary:hover {
    filter: brightness(1.1);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
    color: white;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success {
    background: #16a34a;
}

.toast-error {
    background: #dc2626;
}

/* =============================================================================
   Voice Chat Mode
   ============================================================================= */

/* Hide cancelled exchange during voice barge-in */
.voice-cancelled,
.voice-cancelled ~ * {
    display: none !important;
}

/* Mic button — matches send button size */
.voice-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1.5px solid #3a3f4b;
    border-radius: 10px;
    color: #8b8fa3;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.voice-btn:hover {
    border-color: #e94560;
    color: #e94560;
    background: rgba(233, 69, 96, 0.08);
}

.voice-btn.active {
    background: #e94560;
    border-color: #e94560;
    color: #fff;
}

/* Voice mode overlay */
.voice-mode {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    gap: 1rem;
}

.voice-mode.hidden {
    display: none;
}

/* Visualizer ring */
.voice-visualizer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.voice-ring {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid #3a3f4b;
    transition: all 0.3s ease;
    position: relative;
}

.voice-ring::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

/* Connecting — spinner */
.voice-ring.connecting {
    border-color: #8b8fa3;
    animation: voice-spin 1s linear infinite;
    border-top-color: transparent;
}

@keyframes voice-spin {
    to { transform: rotate(360deg); }
}

/* Listening — gentle pulse (blue) */
.voice-ring.listening {
    border-color: #3b82f6;
    animation: voice-pulse 2s ease-in-out infinite;
}

.voice-ring.listening::before {
    border-color: rgba(59, 130, 246, 0.2);
    animation: voice-pulse-outer 2s ease-in-out infinite;
}

.voice-ring.muted {
    border-color: #6b7280;
    opacity: 0.5;
}

.voice-ring.muted::before {
    border-color: rgba(107, 114, 128, 0.15);
}

@keyframes voice-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes voice-pulse-outer {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.15); opacity: 0; }
}

/* User speaking — responsive scale (green) */
.voice-ring.user-speaking {
    border-color: #22c55e;
    animation: voice-active 0.6s ease-in-out infinite;
}

.voice-ring.user-speaking::before {
    border-color: rgba(34, 197, 94, 0.3);
    animation: voice-active-outer 0.6s ease-in-out infinite;
}

@keyframes voice-active {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}

@keyframes voice-active-outer {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.25); opacity: 0; }
}

/* Processing — thinking spin (amber) */
.voice-ring.processing {
    border-color: #f59e0b;
    animation: voice-think 1.5s ease-in-out infinite;
}

@keyframes voice-think {
    0% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(90deg) scale(1.05); }
    50% { transform: rotate(180deg) scale(1); }
    75% { transform: rotate(270deg) scale(1.05); }
    100% { transform: rotate(360deg) scale(1); }
}

/* Assistant speaking — wave (purple) */
.voice-ring.assistant-speaking {
    border-color: #a855f7;
    animation: voice-speak 0.8s ease-in-out infinite;
}

.voice-ring.assistant-speaking::before {
    border-color: rgba(168, 85, 247, 0.25);
    animation: voice-speak-outer 0.8s ease-in-out infinite;
}

@keyframes voice-speak {
    0%, 100% { transform: scale(1); border-radius: 50%; }
    25% { transform: scale(1.08) scaleX(1.04); }
    75% { transform: scale(1.04) scaleY(1.08); }
}

@keyframes voice-speak-outer {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0; }
}

/* Status text */
.voice-status-text {
    font-size: 0.8rem;
    color: #8b8fa3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    min-height: 1.2em;
}

/* Controls */
.voice-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.voice-control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.15);
    border: 1.5px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    color: #818cf8;
    cursor: pointer;
    transition: all 0.15s ease;
}

.voice-control-btn:hover {
    background: rgba(99, 102, 241, 0.25);
    border-color: rgba(99, 102, 241, 0.5);
}

.voice-control-btn.muted {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.voice-control-btn.muted:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.5);
}

.voice-end-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(239, 68, 68, 0.15);
    border: 1.5px solid rgba(239, 68, 68, 0.3);
    border-radius: 50%;
    color: #ef4444;
    cursor: pointer;
    transition: all 0.15s ease;
}

.voice-end-btn:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: #fff;
}

/* Mobile */
@media (max-width: 768px) {
    .voice-ring {
        width: 64px;
        height: 64px;
    }

    .voice-mode {
        padding: 1rem 0.75rem;
    }
}


/* ============================================================================
   TTS Playback Player
   ============================================================================ */

.tts-player {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #1a1a2e;
    border-top: 1px solid #333;
}

.tts-player.hidden {
    display: none;
}

.tts-player-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: #ccc;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.tts-player-btn:hover {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
    color: #22c55e;
}

.tts-close:hover {
    background: rgba(248, 113, 113, 0.1);
    border-color: #f87171;
    color: #f87171;
}

.tts-icon-hidden {
    display: none;
}

.tts-progress-bar {
    flex: 1;
    height: 4px;
    background: #333;
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    min-width: 60px;
}

.tts-progress-fill {
    height: 100%;
    background: #22c55e;
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.tts-progress-fill.loading {
    width: 100%;
    background: linear-gradient(90deg, #333 25%, #22c55e 50%, #333 75%);
    background-size: 200% 100%;
    animation: tts-loading 1.5s ease-in-out infinite;
}

@keyframes tts-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.tts-time {
    font-size: 0.7rem;
    color: #888;
    white-space: nowrap;
    min-width: 70px;
    text-align: center;
    flex-shrink: 0;
}