/* ==========================================================================
   Asistente Legal Colombia · Maletín Jurídico IA - Terminal Theme
   Estética profesional tipo terminal (oscura)
   ========================================================================== */

:root {
    /* Base Colors - Dark Terminal */
    --bg-primary: #0a0b0f;
    --bg-secondary: #111318;
    --bg-elevated: #1a1d24;
    --bg-hover: #252a33;
    
    /* Accent Colors - Trading Theme */
    --accent-primary: #00d084;
    --accent-secondary: #00a86b;
    --accent-glow: rgba(0, 208, 132, 0.3);
    --accent-dim: rgba(0, 208, 132, 0.1);
    
    /* Trading Colors */
    --bullish: #00d084;
    --bearish: #ff4757;
    --warning: #ffa502;
    --info: #3742fa;
    
    /* Text */
    --text-primary: #e8e9ec;
    --text-secondary: #8b92a8;
    --text-muted: #4a5063;
    
    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(0, 208, 132, 0.2);
    
    /* Typography */
    --font-display: 'JetBrains Mono', monospace;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Spacing */
    --sidebar-width: 320px;
    --notes-width: 380px;
    --header-height: 60px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.app-container {
    display: flex;
    height: 100vh;
    background: var(--bg-primary);
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-primary);
}

.logo i {
    font-size: 22px;
}

.subtitle {
    font-family: var(--font-display);
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-top: 4px;
    margin-left: 32px;
}

/* Search Box */
.search-box {
    margin: 16px 16px 0;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 10px 36px 10px 36px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    transition: border-color 0.2s;
}

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

.search-box input::placeholder {
    color: var(--text-muted);
}

#clear-search {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

#clear-search:hover {
    color: var(--text-primary);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--text-secondary);
}

.stats-bar button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.stats-bar button:hover {
    color: var(--accent-primary);
}

/* Catalog */
.catalog-container {
    flex: 1;
    overflow-y: auto;
    padding: 0 12px 12px;
}

.course-item {
    margin-bottom: 4px;
}

.course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
    font-weight: 500;
}

.course-header:hover {
    background: var(--bg-hover);
}

.course-header i {
    color: var(--accent-primary);
    margin-right: 8px;
}

.course-header .caret {
    color: var(--text-muted);
    font-size: 12px;
    transition: transform 0.2s;
    margin-right: 0;
}

.course-header.expanded .caret {
    transform: rotate(180deg);
}

.module-list {
    margin-left: 24px;
    display: none;
}

.module-list.open {
    display: block;
}

.folder-item {
    margin: 2px 0;
}

.folder-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.folder-header:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.folder-header i {
    margin-right: 8px;
    color: var(--text-muted);
}

.video-item {
    display: flex;
    align-items: center;
    padding: 8px 12px 8px 36px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all 0.2s;
    position: relative;
}

.video-item::before {
    content: '';
    position: absolute;
    left: 12px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
}

.video-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.video-item.active {
    background: var(--accent-dim);
    color: var(--accent-primary);
}

.video-item.active::before {
    background: var(--accent-primary);
}

.video-item .transcription-indicator {
    margin-left: auto;
    font-size: 10px;
    color: var(--accent-primary);
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

/* Video Section */
.video-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.video-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.video-header h1 {
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.video-actions {
    display: flex;
    gap: 8px;
}

/* Video Wrapper */
.video-wrapper {
    flex: 1;
    position: relative;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#video-player {
    width: 100%;
    height: 100%;
    outline: none;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.overlay-content {
    text-align: center;
    color: var(--text-muted);
}

.overlay-content i {
    font-size: 48px;
    margin-bottom: 16px;
}

.overlay-content p {
    font-size: 14px;
}

/* Transcription Overlay */
.transcription-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.progress-content {
    text-align: center;
    color: var(--text-primary);
}

.progress-content i {
    font-size: 32px;
    color: var(--accent-primary);
    margin-bottom: 12px;
    display: block;
}

.progress-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    margin-top: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-primary);
    width: 0%;
    transition: width 0.3s;
}

/* Subtitle Controls */
.subtitle-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    margin-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

.subtitle-controls .label {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.subtitle-controls select {
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
}

.subtitle-controls select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Transcription Panel */
.transcription-panel {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    max-height: 250px;
    transition: max-height 0.3s;
}

.transcription-panel.collapsed {
    max-height: 48px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    cursor: pointer;
}

.panel-header h3 {
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-content {
    padding: 0 20px 20px;
    max-height: 180px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
}

.transcription-segment {
    padding: 8px 12px;
    margin: 4px 0;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.transcription-segment:hover {
    background: var(--bg-hover);
}

.transcription-segment .time {
    color: var(--accent-primary);
    font-family: var(--font-display);
    font-size: 11px;
    margin-right: 12px;
}

.transcription-segment .text {
    color: var(--text-secondary);
}

.transcription-segment.active {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent-primary);
}

.transcription-segment.active .text {
    color: var(--text-primary);
    font-weight: 500;
}

/* ==========================================================================
   Notes Panel
   ========================================================================== */

.notes-panel {
    width: var(--notes-width);
    min-width: var(--notes-width);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

/* Tabs */
.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-subtle);
}

.tab-btn {
    flex: 1;
    padding: 14px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.tab-btn.active {
    color: var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
    background: var(--accent-dim);
}

.tab-content {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.tab-content.active {
    display: flex;
}

/* Search Mode Selector */
.search-mode-selector {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-elevated);
}

.search-mode-selector .btn-small.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.mode-toggle {
    display: flex;
    gap: 8px;
    flex: 1;
}

.mode-toggle .btn-small {
    flex: 1;
    justify-content: center;
}

/* Notes List */
.notes-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 20px;
    font-size: 13px;
}

.note-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
    transition: border-color 0.2s;
}

.note-card:hover {
    border-color: var(--border-accent);
}

.note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.note-time {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--accent-primary);
    background: var(--accent-dim);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    border: none;
}

.note-time:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.note-actions {
    display: flex;
    gap: 4px;
}

.note-actions button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 12px;
    transition: color 0.2s;
}

.note-actions button:hover {
    color: var(--text-primary);
}

.note-actions button.delete:hover {
    color: var(--bearish);
}

.note-content {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
    white-space: pre-wrap;
}

/* Note Editor */
.note-editor {
    padding: 16px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
}

.timestamp-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 12px;
}

.timestamp-indicator .label {
    color: var(--text-muted);
}

#current-time-badge {
    font-family: var(--font-display);
    color: var(--accent-primary);
    background: var(--accent-dim);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

#note-input {
    width: 100%;
    height: 100px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    resize: none;
    transition: border-color 0.2s;
}

#note-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#note-input::placeholder {
    color: var(--text-muted);
}

#note-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.editor-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* Search Tab */
.search-transcription {
    display: flex;
    padding: 16px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 8px;
}

.search-transcription input {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
}

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

.search-transcription button {
    padding: 10px 14px;
    background: var(--accent-primary);
    border: none;
    border-radius: 6px;
    color: var(--bg-primary);
    cursor: pointer;
    transition: background 0.2s;
}

.search-transcription button:hover {
    background: var(--accent-secondary);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.search-result-item {
    padding: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.search-result-item:hover {
    border-color: var(--accent-primary);
}

.search-result-item .course {
    font-size: 11px;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.search-result-item .video-name {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.search-result-item .context {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
}

.search-result-item .context .highlight {
    background: var(--accent-dim);
    color: var(--accent-primary);
    padding: 2px 4px;
    border-radius: 3px;
}

.search-result-item .timestamp {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-icon:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-primary {
    flex: 1;
    padding: 10px 16px;
    background: var(--accent-primary);
    border: none;
    border-radius: 6px;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-secondary);
}

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

.btn-secondary {
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-small {
    padding: 6px 12px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 4px;
    color: var(--accent-primary);
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-small:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ==========================================================================
   Loader
   ========================================================================== */

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--bg-hover);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 12px;
}

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

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent-primary);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

.toast.error {
    border-left-color: var(--bearish);
}

.toast.warning {
    border-left-color: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.hidden {
    display: none !important;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1200px) {
    .notes-panel {
        width: 320px;
        min-width: 320px;
    }
}

@media (max-width: 1024px) {
    .app-container {
        flex-wrap: wrap;
        overflow-y: auto;
    }
    
    .sidebar {
        width: 100%;
        height: 40vh;
        min-height: 300px;
    }
    
    .main-content {
        width: 100%;
        height: 60vh;
        min-height: 400px;
    }
    
    .notes-panel {
        width: 100%;
        height: 50vh;
        border-left: none;
        border-top: 1px solid var(--border-subtle);
    }
}

@media (max-width: 768px) {
    .video-section {
        padding: 12px;
    }
    
    .subtitle-controls {
        flex-wrap: wrap;
    }
    
    .editor-actions {
        flex-direction: column;
    }
}

/* Custom Video Controls Styling */
video::cue {
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-size: 16px;
    padding: 4px 8px;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.new {
    background: var(--accent-dim);
    color: var(--accent-primary);
}

.status-badge.in-progress {
    background: rgba(255, 165, 2, 0.1);
    color: var(--warning);
}

.status-badge.completed {
    background: rgba(0, 216, 132, 0.1);
    color: var(--bullish);
}

.status-badge.reference {
    background: rgba(55, 66, 250, 0.1);
    color: var(--info);
}

/* ==========================================================================
   Navegación principal de vistas (Reproductor / Mentor IA / Corpus)
   ========================================================================== */

.main-nav {
    display: flex;
    gap: 6px;
    padding: 12px 16px 0;
}

.main-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.main-nav-btn i {
    font-size: 15px;
}

.main-nav-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.main-nav-btn.active {
    background: var(--accent-dim);
    color: var(--accent-primary);
    border-color: var(--border-accent);
}

/* Cada vista ocupa el área a la derecha del sidebar */
.app-view {
    display: none;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.app-view.active {
    display: flex;
}

/* ==========================================================================
   Vista: Mentor IA
   ========================================================================== */

.mentor-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

.mentor-header {
    padding: 20px 24px 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.mentor-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.mentor-header h1 i {
    color: var(--accent-primary);
}

.mentor-disclaimer {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
    max-width: 720px;
}

.mentor-chat {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mentor-msg {
    max-width: 760px;
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.6;
}

.mentor-msg.user {
    align-self: flex-end;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    color: var(--text-primary);
}

.mentor-msg.assistant {
    align-self: flex-start;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

.mentor-msg .mentor-role {
    font-family: var(--font-display);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mentor-msg.assistant .mentor-role {
    color: var(--accent-primary);
}

.mentor-msg .mentor-text {
    white-space: pre-wrap;
}

.mentor-msg .mentor-model {
    margin-top: 8px;
    font-size: 10px;
    color: var(--text-muted);
    font-family: var(--font-display);
}

.mentor-sources {
    margin-top: 12px;
    border-top: 1px solid var(--border-subtle);
    padding-top: 10px;
}

.mentor-sources-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mentor-source {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 6px;
}

.mentor-source .src-doc {
    color: var(--accent-primary);
    font-weight: 600;
}

.mentor-source .src-art {
    color: var(--text-primary);
}

.mentor-source .src-cite {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 11px;
}

.mentor-composer {
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
    padding: 12px 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mentor-composer-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mentor-area-label {
    font-size: 12px;
    color: var(--text-secondary);
}

#mentor-area {
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
}

#mentor-area:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#mentor-input {
    flex: 1;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
    min-height: 48px;
}

#mentor-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#mentor-send {
    flex: 0 0 auto;
    align-self: stretch;
    min-width: 130px;
}

/* ==========================================================================
   Vista: Corpus
   ========================================================================== */

.corpus-side {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.corpus-side-header {
    padding: 18px 20px 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.corpus-side-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.corpus-side-header h2 i {
    color: var(--accent-primary);
}

.corpus-filters {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.corpus-filter-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#corpus-area {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}

#corpus-area:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.corpus-categorias {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.corpus-cat-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 6px;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.corpus-cat-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.corpus-cat-btn.active {
    background: var(--accent-dim);
    color: var(--accent-primary);
    border-color: var(--border-accent);
}

.corpus-cat-btn .cat-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.corpus-cat-btn .cat-count {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--text-muted);
}

.corpus-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-primary);
}

.corpus-main-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.corpus-main-header h1 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.corpus-count {
    font-family: var(--font-display);
    font-size: 12px;
    color: var(--text-muted);
}

.corpus-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
    align-content: start;
}

.corpus-item-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 80px;
}

.corpus-item-card:hover {
    border-color: var(--accent-primary);
}

.corpus-item-card .ci-icon {
    color: var(--accent-primary);
    font-size: 14px;
}

.corpus-item-card .ci-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.corpus-item-card .ci-meta {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-display);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Detalle de documento del corpus */
.corpus-detail {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
}

.corpus-detail-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.corpus-detail-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.corpus-detail-body {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.corpus-detail-body h1,
.corpus-detail-body h2,
.corpus-detail-body h3 {
    color: var(--text-primary);
    margin: 16px 0 8px;
}

.corpus-detail-body pre,
.corpus-detail-body .corpus-md {
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 13px;
    line-height: 1.7;
}

.corpus-detail-body .corpus-player-wrap {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 14px;
}

.corpus-detail-body video,
.corpus-detail-body audio {
    width: 100%;
    display: block;
    outline: none;
}

/* Responsive para vistas mentor/corpus */
@media (max-width: 1024px) {
    .app-view.active {
        flex-wrap: wrap;
        overflow-y: auto;
    }

    .corpus-side {
        width: 100%;
        min-width: 0;
    }

    .corpus-main,
    .mentor-content {
        width: 100%;
    }
}