/* ==========================================================================
   CSS Styling - Video Playlist (video.css) - E-Book QOMAR
   ========================================================================== */

/* 1. Main Page Layout */
.pages-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 100px; /* Space for fixed bottom navigation */
}

/* 2. Main Page Container */
.video-container {
    flex: 1;
    width: 100%;
    max-width: 1100px;
    padding: 1.5rem;
    box-sizing: border-box;
    margin-top: 1.5rem;
    transition: font-size 0.3s ease;
}

/* 3. Layout Single Section (Dedicated Bab Video) */
.video-single-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
}

.video-layout-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.75rem;
    align-items: start;
    width: 100%;
}

/* Left Section - Video Player & Meta Card */
.video-main-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

/* Right Section - Playlist Panel */
.video-sidebar-section {
    width: 100%;
}

/* 4. Video Player Wrapper (16:9 Aspect Ratio) */
.video-player-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 2.5px solid rgba(2, 38, 128, 0.2);
}

.video-player-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 21px; /* Slight inset border radius */
}

/* 5. Active Video Info Card */
.video-info-card {
    padding: 1.75rem;
    border-radius: 24px;
    box-sizing: border-box;
}

.video-info-header {
    margin-bottom: 0.75rem;
}

.video-badge {
    display: inline-block;
    background: rgba(226, 82, 140, 0.12);
    color: var(--color-pink-500);
    padding: 0.3rem 0.85rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.video-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-blue-800);
    margin-top: 0.5rem;
    line-height: 1.3;
}

.video-desc {
    font-size: 1rem;
    color: var(--color-blue-900);
    line-height: 1.6;
    opacity: 0.9;
}

/* 6. Playlist Panel Sidebar */
.playlist-panel {
    padding: 1.75rem;
    border-radius: 24px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.playlist-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    border-bottom: 2px dashed rgba(2, 38, 128, 0.12);
    padding-bottom: 1.2rem;
    margin-bottom: 1.2rem;
}

.playlist-header-emoji {
    font-size: 1.5rem;
}

.playlist-header-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-blue-800);
    margin: 0;
}

.playlist-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

/* Custom Scrollbar for Playlist list */
.playlist-list::-webkit-scrollbar {
    width: 6px;
}
.playlist-list::-webkit-scrollbar-track {
    background: rgba(2, 38, 128, 0.03);
    border-radius: 10px;
}
.playlist-list::-webkit-scrollbar-thumb {
    background: rgba(2, 38, 128, 0.15);
    border-radius: 10px;
}
.playlist-list::-webkit-scrollbar-thumb:hover {
    background: rgba(2, 38, 128, 0.25);
}

/* 7. Playlist Item card button */
.playlist-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    border-radius: 18px;
    border: 2px solid rgba(2, 38, 128, 0.08);
    background: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    text-align: left;
    width: 100%;
    outline: none;
    box-shadow: var(--shadow-soft);
}

.playlist-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(2, 38, 128, 0.2);
    box-shadow: var(--shadow-card);
}

.playlist-item.active {
    background: var(--color-blue-500);
    color: white !important;
    border-color: var(--color-blue-600);
    box-shadow: 0 6px 16px rgba(25, 103, 222, 0.3);
}

.playlist-item-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(2, 38, 128, 0.06);
    font-size: 0.9rem;
    font-weight: 750;
    color: var(--color-blue-800);
    flex-shrink: 0;
    transition: all 0.3s;
}

.playlist-item.active .playlist-item-number {
    background: rgba(255, 255, 255, 0.22);
    color: white;
}

.playlist-item-title {
    font-size: 1rem;
    font-weight: 650;
    line-height: 1.35;
    color: inherit;
}

/* 8. Bottom Sticky Navigation controls styling */
.nav-control-section {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 95;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1.5px solid rgba(2, 38, 128, 0.12);
    padding: 0.95rem 1rem;
    display: flex;
    justify-content: center;
}

.nav-control-inner {
    width: 100%;
    max-width: 1100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.8rem 1.65rem;
    font-size: 1rem;
    font-weight: 750;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-spring);
    outline: none;
    text-decoration: none;
}

.prev-btn {
    background: transparent;
    color: var(--color-blue-800);
}

.prev-btn:hover {
    transform: translateX(-4px);
    color: var(--color-blue-600);
}

.next-btn {
    background: var(--color-blue-500);
    color: white;
    box-shadow: 0 4px 12px rgba(25, 103, 222, 0.22);
}

.next-btn:hover {
    transform: translateX(4px);
    background: var(--color-blue-600);
    box-shadow: 0 6px 16px rgba(25, 103, 222, 0.32);
}

.nav-btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* 10. Animations */
.animate-fade-in-up {
    animation: fadeInUp 0.6s var(--ease-spring) forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 11. Responsive Breakpoints */
@media (max-width: 768px) {
    .video-container {
        padding: 1rem;
        margin-top: 1rem;
    }

    .video-layout-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .video-player-wrapper {
        border-radius: 20px;
    }

    .video-info-card, .playlist-panel {
        padding: 1.25rem;
        border-radius: 20px;
    }

    .video-title {
        font-size: 1.35rem;
    }

    .playlist-list {
        max-height: 250px;
    }

    .playlist-item {
        padding: 0.8rem 1rem;
        border-radius: 14px;
    }

    .playlist-item-number {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }

    .playlist-item-title {
        font-size: 0.9rem;
    }

    .nav-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .video-title {
        font-size: 1.2rem;
    }

    .video-desc {
        font-size: 0.9rem;
    }
}