/* ==========================================================================
   MENÚ VERTICAL LATERAL DESPLEGABLE - MINIATURAS COMFACAUCA
   ========================================================================== */

/* Botón Hamburguesa en la barra superior */
.menu-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
    border: 1px solid rgba(212, 175, 55, 0.4);
    box-shadow: 0 2px 10px rgba(30, 58, 138, 0.25);
    margin-left: 4px;
}

.menu-toggle-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-blue-dark), #0f172a);
    border-color: var(--accent-yellow);
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.4);
    transform: translateY(-2px);
}

.menu-toggle-btn i {
    font-size: 0.95rem;
    color: var(--accent-yellow);
    transition: transform 0.3s ease;
}

.menu-toggle-btn:hover i {
    transform: scale(1.15);
}

.menu-btn-label {
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
}

/* =========================================
   BACKDROP CON DESENFOQUE (OVERLAY)
   ========================================= */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 99998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

/* =========================================
   DRAWER VERTICAL IZQUIERDO (SIDEBAR)
   ========================================= */
.slides-sidebar-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 380px;
    max-width: 90vw;
    height: 100vh;
    background: #ffffff;
    box-shadow: 10px 0 40px rgba(15, 23, 42, 0.25), 
                0 0 0 1px rgba(30, 58, 138, 0.08);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Encabezado del Menú Lateral */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    color: var(--white);
    border-bottom: 2px solid var(--accent-yellow);
    flex-shrink: 0;
}

.sidebar-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-yellow);
    font-size: 1.05rem;
}

.sidebar-header-titles {
    display: flex;
    flex-direction: column;
}

.sidebar-main-title {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.3px;
    color: #ffffff;
}

.sidebar-sub-title {
    font-size: 0.75rem;
    color: #cbd5e1;
    font-weight: 500;
}

.sidebar-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    font-size: 1rem;
}

.sidebar-close-btn:hover {
    background: #ef4444;
    color: var(--white);
    transform: rotate(90deg);
}

/* Lista Scrollable de Diapositivas */
.sidebar-slides-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: #f8fafc;
}

/* Scrollbar personalizado fino */
.sidebar-slides-list::-webkit-scrollbar {
    width: 6px;
}
.sidebar-slides-list::-webkit-scrollbar-track {
    background: #f1f5f9;
}
.sidebar-slides-list::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
.sidebar-slides-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

/* =========================================
   TARJETAS DE MINIATURAS (THUMBNAILS)
   ========================================= */
.sidebar-thumbnail-card {
    position: relative;
    display: flex;
    gap: 12px;
    background: #ffffff;
    padding: 10px;
    border-radius: 14px;
    border: 1px solid rgba(30, 58, 138, 0.08);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
    user-select: none;
}

.sidebar-thumbnail-card:hover {
    transform: translateY(-2px);
    border-color: rgba(30, 58, 138, 0.3);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.12);
    background: #ffffff;
}

/* Estado de la diapositiva activa */
.sidebar-thumbnail-card.active {
    background: #eff6ff;
    border: 2px solid var(--primary-blue);
    box-shadow: 0 8px 22px rgba(30, 58, 138, 0.18);
}

.sidebar-thumbnail-card.active::before {
    content: "";
    position: absolute;
    left: -2px;
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 4px;
    background: var(--accent-yellow);
    border-radius: 0 4px 4px 0;
}

/* Contenedor de la Imagen Miniatura */
.thumbnail-image-box {
    position: relative;
    width: 125px;
    height: 68px;
    border-radius: 8px;
    overflow: hidden;
    background: #0f172a;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.sidebar-thumbnail-card:hover .thumbnail-img {
    transform: scale(1.05);
}

/* Insignia numérica en la miniatura */
.thumbnail-badge-number {
    position: absolute;
    top: 4px;
    left: 4px;
    background: rgba(15, 23, 42, 0.85);
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-thumbnail-card.active .thumbnail-badge-number {
    background: var(--primary-blue);
    border-color: var(--accent-yellow);
    color: var(--accent-yellow-light);
}

/* Insignia de Video en la miniatura */
.thumbnail-video-badge {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-yellow);
    color: var(--primary-blue-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* Información de texto de la miniatura */
.thumbnail-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.thumbnail-slide-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-thumbnail-card.active .thumbnail-slide-tag {
    color: var(--primary-blue-dark);
}

.thumbnail-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Pie del menú lateral */
.sidebar-footer {
    padding: 14px 20px;
    background: #ffffff;
    border-top: 1px solid rgba(30, 58, 138, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar-footer span i {
    color: var(--accent-yellow);
    margin-right: 5px;
}

/* Responsivo en móviles */
@media (max-width: 768px) {
    .slides-sidebar-drawer {
        width: 320px;
    }
    .thumbnail-image-box {
        width: 105px;
        height: 58px;
    }
    .menu-btn-label {
        display: none;
    }
}