/**
 * Boletín Digital 2026 - Estilos Flipbook Interactivos y Fullscreen
 * Diseño Premium Glassmorphic / Dark Mode
 */

:root {
    --bg-main: #0b0f19;
    --bg-secondary: #111827;
    --surface-glass: rgba(17, 24, 39, 0.82);
    --surface-glass-light: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.12);
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.35);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --book-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7), 0 0 30px rgba(59, 130, 246, 0.15);
    --spine-shadow: linear-gradient(to right, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0) 10%, rgba(0,0,0,0) 90%, rgba(0,0,0,0.25) 100%);
    --font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-family);
}

/* Fondo decorativo con gradiente y efecto de iluminación */
.app-viewport {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at 50% 20%, #1e293b 0%, #0b0f19 70%);
    overflow: hidden;
}

/* Partículas / Luces de fondo sutiles */
.ambient-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
    filter: blur(40px);
    opacity: 0.6;
}

/* ==========================================================================
   Barra Superior (Top Header)
   ========================================================================== */
.top-nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.top-nav.hidden {
    transform: translateY(-100%);
    opacity: 0;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-badge {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: #fff;
    padding: 0.25rem 0.65rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.4);
}

.document-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Botones con estilo Glassmorphic */
.btn-glass {
    background: var(--surface-glass-light);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    border-radius: 8px;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}

.btn-glass:hover, .btn-glass:focus {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-glass.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 15px var(--accent-glow);
}

.btn-glass-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
}

/* ==========================================================================
   Contenedor Principal del Flipbook (Stage)
   ========================================================================== */
.flipbook-stage {
    position: relative;
    flex: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    padding: 60px 20px 80px 20px;
    overflow: hidden;
}

.flipbook-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s cubic-bezier(0.2, 0, 0.2, 1);
    transform-origin: center center;
}

/* Estructura del libro PageFlip */
.st-flip-book {
    box-shadow: var(--book-shadow);
    border-radius: 4px;
    background-color: #1a202c;
    transition: box-shadow 0.3s ease;
}

/* Páginas */
.page-block {
    background-color: #ffffff;
    overflow: hidden;
    box-shadow: inset 0 0 15px rgba(0,0,0,0.08);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-block canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

/* Sombra central del lomo del libro */
.page-block.--right::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
    pointer-events: none;
    z-index: 5;
}

.page-block.--left::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to left, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
    pointer-events: none;
    z-index: 5;
}

/* Flechas laterales de navegación rápida flotantes */
.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 40;
    transition: all 0.25s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.nav-arrow:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav-arrow.prev {
    left: 20px;
}

.nav-arrow.next {
    right: 20px;
}

.nav-arrow.disabled {
    opacity: 0.2;
    pointer-events: none;
}

/* ==========================================================================
   Barra de Control Inferior Flotante (Floating Dock Toolbar)
   ========================================================================== */
.bottom-dock {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.bottom-dock.hidden {
    transform: translate(-50%, 150%);
    opacity: 0;
}

.dock-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-glass);
    margin: 0 2px;
}

.dock-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.dock-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    transform: scale(1.1);
}

.dock-btn:active {
    transform: scale(0.95);
}

.dock-btn.active {
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Selector de Páginas */
.page-counter-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 10px;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 20px;
    border: 1px solid var(--border-glass);
    font-size: 0.85rem;
    font-weight: 500;
}

.page-input {
    width: 36px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid transparent;
    border-radius: 6px;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 2px 0;
    outline: none;
    transition: border-color 0.2s;
}

.page-input:focus {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Panel Lateral de Miniaturas (Thumbnails Drawer)
   ========================================================================== */
.thumbnails-drawer {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    width: 260px;
    background: var(--surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-glass);
    z-index: 90;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.thumbnails-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.9rem;
}

.drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

/* Scrollbar personalizada */
.drawer-content::-webkit-scrollbar {
    width: 6px;
}
.drawer-content::-webkit-scrollbar-thumb {
    background: var(--border-glass);
    border-radius: 4px;
}
.drawer-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.25);
}

.thumb-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    border-radius: 6px;
    padding: 4px;
    border: 2px solid transparent;
}

.thumb-item:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.5);
}

.thumb-item.active {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.15);
}

.thumb-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1.414;
    background: #1f2937;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.thumb-wrapper canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.thumb-number {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

/* ==========================================================================
   Pantalla de Carga (Loading Overlay)
   ========================================================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, #1e293b 0%, #0b0f19 100%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.spinner-custom {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    border-right-color: #8b5cf6;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 25px var(--accent-glow);
}

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

.loading-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.progress-container {
    width: 280px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 10px;
    transition: width 0.2s ease;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* ==========================================================================
   Modales y Ventanas Emergentes (Embed / Help / Share)
   ========================================================================== */
.modal-glass .modal-content {
    background: #131b2e;
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
    color: var(--text-main);
}

.modal-glass .modal-header {
    border-bottom: 1px solid var(--border-glass);
    padding: 1.25rem 1.5rem;
}

.modal-glass .modal-footer {
    border-top: 1px solid var(--border-glass);
    padding: 1rem 1.5rem;
}

.code-box {
    background: #090d16;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 1rem;
    position: relative;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85rem;
    color: #38bdf8;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.copy-badge-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--surface-glass-light);
    border: 1px solid var(--border-glass);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.copy-badge-btn:hover {
    background: var(--accent-color);
}

/* Modal de Información y Créditos */
.info-card-glass {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    padding: 1.15rem;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.info-card-glass:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.modal-icon-badge {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

.info-pill-box {
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 0.75rem 0.85rem;
    transition: background 0.2s, transform 0.2s;
}

.info-pill-box:hover {
    background: rgba(0, 0, 0, 0.4);
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.15);
}

.dev-profile-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.95rem 1rem;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.32);
    border: 1px solid var(--border-glass);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.dev-profile-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.dev-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: #ffffff;
    flex-shrink: 0;
}

.dev-avatar-samuel {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    box-shadow: 0 0 16px rgba(59, 130, 246, 0.45);
}

.dev-avatar-oscar {
    background: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    box-shadow: 0 0 16px rgba(6, 182, 212, 0.45);
}

/* ==========================================================================
   Tooltip Personalizado
   ========================================================================== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff;
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.15s ease;
    border: 1px solid var(--border-glass);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    z-index: 1000;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

/* ==========================================================================
   Widget de Reacciones: Like y Dislike
   ========================================================================== */
.reactions-widget {
    display: inline-flex;
    align-items: center;
    background: var(--surface-glass-light);
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    padding: 2px 6px;
    gap: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-reaction {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-size: 0.82rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-reaction:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-comments-dock {
    background: var(--surface-glass-light);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    font-size: 0.82rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-comments-dock:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-comments-dock.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 14px var(--accent-glow);
}

.btn-reaction.active.btn-like,
.drawer-react-btn.active.drawer-like-btn {
    background: rgba(16, 185, 129, 0.22);
    border-color: rgba(52, 211, 153, 0.6);
    color: #34d399;
    box-shadow: 0 0 14px rgba(52, 211, 153, 0.35);
    animation: reactionPop 0.35s ease;
}

.btn-reaction.active.btn-dislike,
.drawer-react-btn.active.drawer-dislike-btn {
    background: rgba(239, 68, 68, 0.22);
    border-color: rgba(248, 113, 113, 0.6);
    color: #f87171;
    box-shadow: 0 0 14px rgba(239, 68, 68, 0.35);
    animation: reactionPop 0.35s ease;
}

.reaction-divider {
    width: 1px;
    height: 18px;
    background-color: var(--border-glass);
    margin: 0 2px;
}

.reaction-count {
    font-weight: 600;
    font-size: 0.8rem;
    min-width: 12px;
    text-align: center;
}

@keyframes reactionPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.28); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   Panel Lateral de Comentarios (Comments Drawer)
   ========================================================================== */
.comments-drawer {
    position: fixed;
    top: 56px;
    right: 0;
    bottom: 0;
    width: 370px;
    max-width: 92vw;
    background: var(--surface-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--border-glass);
    z-index: 95;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
}

.comments-drawer.open {
    transform: translateX(0);
}

.drawer-reactions-bar {
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-glass);
}

.reaction-stats-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.approval-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(239, 68, 68, 0.35);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.approval-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #06b6d4);
    border-radius: 10px;
    transition: width 0.4s ease;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.reaction-buttons-compact {
    display: flex;
    gap: 8px;
}

.drawer-react-btn {
    flex: 1;
    padding: 6px 10px;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
    background: var(--surface-glass-light);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.drawer-react-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateY(-1px);
}

/* Formulario de Comentarios */
.drawer-comment-form {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.02);
}

.form-control-glass {
    background: rgba(0, 0, 0, 0.35) !important;
    border: 1px solid var(--border-glass) !important;
    color: #ffffff !important;
    border-radius: 8px;
    font-size: 0.82rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control-glass::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.form-control-glass:focus {
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 2px var(--accent-glow) !important;
    background: rgba(0, 0, 0, 0.55) !important;
}

.avatar-color-picker {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 2px 4px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 20px;
    border: 1px solid var(--border-glass);
}

.color-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s, outline 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.color-dot:hover {
    transform: scale(1.2);
}

.color-dot.active {
    transform: scale(1.25);
    outline: 2px solid #ffffff;
    outline-offset: 1px;
}

.comment-context-badge {
    display: flex;
    gap: 8px;
}

.context-option {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.74rem;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
}

.context-option input {
    display: none;
}

.context-option.active {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
}

.comment-textarea {
    resize: none;
    padding-bottom: 20px;
}

.char-counter {
    position: absolute;
    bottom: 6px;
    right: 10px;
    font-size: 0.68rem;
    color: var(--text-muted);
    pointer-events: none;
}

.btn-submit-comment {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transition: all 0.2s;
}

.btn-submit-comment:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.45);
}

/* Filtros */
.drawer-filters {
    display: flex;
    gap: 8px;
    padding: 10px 16px 6px 16px;
}

.filter-chip {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    border-radius: 16px;
    padding: 3px 12px;
    font-size: 0.76rem;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-chip:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.filter-chip.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
}

/* Contenedor de Comentarios */
.drawer-comments-body {
    flex: 1;
    overflow-y: auto;
    padding: 10px 16px 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.drawer-comments-body::-webkit-scrollbar {
    width: 6px;
}
.drawer-comments-body::-webkit-scrollbar-thumb {
    background: var(--border-glass);
    border-radius: 4px;
}

/* Tarjeta de Comentario Individual */
.comment-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 12px 14px;
    transition: transform 0.2s, background 0.2s, border-color 0.2s;
    user-select: text;
    -webkit-user-select: text;
}

.comment-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

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

.comment-user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.comment-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.comment-author-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #f3f4f6;
    line-height: 1.2;
}

.comment-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.comment-page-badge {
    font-size: 0.68rem;
    padding: 2px 7px;
    border-radius: 6px;
    background: rgba(59, 130, 246, 0.18);
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: #93c5fd;
    font-weight: 600;
}

.comment-text {
    font-size: 0.82rem;
    line-height: 1.5;
    color: #e5e7eb;
    word-break: break-word;
    white-space: pre-wrap;
    user-select: text;
    -webkit-user-select: text;
}

.comment-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.comment-like-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.comment-like-btn:hover {
    color: #f43f5e;
    background: rgba(244, 63, 94, 0.12);
}

.comment-like-btn.liked {
    color: #f43f5e;
    font-weight: 700;
}

.comment-delete-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: color 0.2s;
}

.comment-delete-btn:hover {
    color: #ef4444;
}

/* Estado Vacío */
.empty-comments-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-comments-icon {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: 12px;
}

/* Toast */
.glass-toast {
    background: rgba(17, 24, 39, 0.94) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass) !important;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.dock-badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3b82f6;
    box-shadow: 0 0 6px #3b82f6;
}

/* ==========================================================================
   Modo Responsivo (Mobile & Tablets)
   ========================================================================== */
@media (max-width: 768px) {
    .document-title {
        max-width: 140px;
        font-size: 0.85rem;
    }

    .flipbook-stage {
        padding: 50px 10px 70px 10px;
    }

    .nav-arrow {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
    
    .nav-arrow.prev { left: 8px; }
    .nav-arrow.next { right: 8px; }

    .bottom-dock {
        padding: 4px 8px;
        gap: 4px;
        bottom: 10px;
    }

    .dock-btn {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }

    .page-input {
        width: 28px;
        font-size: 0.75rem;
    }

    .page-counter-badge {
        font-size: 0.75rem;
        padding: 2px 6px;
    }
    
    .hide-on-mobile {
        display: none !important;
    }

    .comments-drawer {
        width: 100vw;
        max-width: 100vw;
    }

    .reactions-widget {
        padding: 2px 4px;
    }

    .btn-reaction {
        padding: 3px 6px;
        font-size: 0.75rem;
    }
}