/**
 * YouTube Playlist Gallery Styles
 * Modern, elegant design with RTL support
 */

/* Container */
.ytpg-container {
    --ytpg-primary: #6366f1;
    --ytpg-primary-light: #818cf8;
    --ytpg-bg: #0f0f0f;
    --ytpg-card-bg: #1a1a1a;
    --ytpg-card-hover: #252525;
    --ytpg-text: #ffffff;
    --ytpg-text-muted: #a0a0a0;
    --ytpg-border: #2a2a2a;
    --ytpg-active-border: #6366f1;
    --ytpg-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --ytpg-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --ytpg-radius: 16px;
    --ytpg-radius-sm: 12px;

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    direction: rtl;
    background: var(--ytpg-bg);
    border-radius: var(--ytpg-radius);
    overflow: hidden;
    box-shadow: var(--ytpg-shadow);
    max-width: 1200px;
    margin: 2rem auto;
}

/* Light Theme */
.ytpg-container[data-theme="light"] {
    --ytpg-bg: #f8f9fa;
    --ytpg-card-bg: #ffffff;
    --ytpg-card-hover: #f0f0f0;
    --ytpg-text: #1a1a1a;
    --ytpg-text-muted: #666666;
    --ytpg-border: #e0e0e0;
    --ytpg-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Player Section */
.ytpg-player-section {
    background: linear-gradient(180deg, var(--ytpg-card-bg) 0%, var(--ytpg-bg) 100%);
    padding: 1.5rem;
}

.ytpg-player-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    border-radius: var(--ytpg-radius);
    overflow: hidden;
    background: #000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.ytpg-player-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.ytpg-now-playing {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    background: var(--ytpg-card-bg);
    border-radius: var(--ytpg-radius-sm);
    border: 1px solid var(--ytpg-border);
}

.ytpg-playing-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ytpg-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
}

.ytpg-current-title {
    margin: 0.5rem 0 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ytpg-text);
    line-height: 1.4;
}

/* Playlist Section */
.ytpg-playlist-section {
    padding: 1.5rem;
}

.ytpg-playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--ytpg-border);
}

.ytpg-playlist-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ytpg-text);
}

.ytpg-video-count {
    font-size: 0.875rem;
    color: var(--ytpg-text-muted);
    background: var(--ytpg-card-bg);
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    border: 1px solid var(--ytpg-border);
}

/* ========================================
   GRID VIEW (Default)
   ======================================== */
.ytpg-grid-view {
    display: grid !important;
    grid-template-columns: repeat(var(--columns, 3), 1fr) !important;
    gap: 1rem !important;
}

.ytpg-grid-view .ytpg-video-card {
    display: block;
    background: var(--ytpg-card-bg);
    border-radius: var(--ytpg-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
}

.ytpg-grid-view .ytpg-video-card:hover {
    background: var(--ytpg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.ytpg-grid-view .ytpg-video-card.ytpg-active {
    border-color: var(--ytpg-active-border);
    background: var(--ytpg-card-hover);
}

.ytpg-grid-view .ytpg-video-card.ytpg-active::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: var(--ytpg-gradient);
}

.ytpg-grid-view .ytpg-thumbnail-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    overflow: hidden;
}

.ytpg-grid-view .ytpg-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.ytpg-grid-view .ytpg-video-card:hover .ytpg-thumbnail {
    transform: scale(1.08);
}

.ytpg-grid-view .ytpg-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ytpg-grid-view .ytpg-video-card:hover .ytpg-play-overlay,
.ytpg-grid-view .ytpg-video-card.ytpg-active .ytpg-play-overlay {
    opacity: 1;
}

.ytpg-grid-view .ytpg-play-icon {
    width: 48px;
    height: 48px;
    color: #fff;
    background: var(--ytpg-gradient);
    border-radius: 50%;
    padding: 12px;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transition: transform 0.3s ease;
}

.ytpg-grid-view .ytpg-video-card:hover .ytpg-play-icon {
    transform: scale(1.1);
}

.ytpg-grid-view .ytpg-lesson-number {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    backdrop-filter: blur(4px);
}

.ytpg-grid-view .ytpg-video-card.ytpg-active .ytpg-lesson-number {
    background: var(--ytpg-gradient);
}

.ytpg-grid-view .ytpg-video-info {
    padding: 1rem;
}

.ytpg-grid-view .ytpg-video-title {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ytpg-text);
    line-height: 1.5;
}

/* ========================================
   LIST VIEW - YouTube Style
   ======================================== */
.ytpg-list-view {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.25rem !important;
}

.ytpg-list-view .ytpg-video-card {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    background: transparent;
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    transition: background 0.2s ease;
    border: none;
    gap: 1rem;
}

.ytpg-list-view .ytpg-video-card:hover {
    background: var(--ytpg-card-hover);
    transform: none;
    box-shadow: none;
}

.ytpg-list-view .ytpg-video-card.ytpg-active {
    background: var(--ytpg-card-hover);
}

.ytpg-list-view .ytpg-video-card.ytpg-active::before {
    display: none;
}

.ytpg-list-view .ytpg-thumbnail-wrapper {
    position: relative;
    width: 120px !important;
    min-width: 120px !important;
    max-width: 120px !important;
    height: 68px !important;
    padding-bottom: 0 !important;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.ytpg-list-view .ytpg-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ytpg-list-view .ytpg-play-overlay {
    display: none !important;
}

.ytpg-list-view .ytpg-lesson-number {
    position: absolute;
    top: 50%;
    left: 50%;
    right: auto;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.ytpg-list-view .ytpg-video-card:hover .ytpg-lesson-number {
    opacity: 1;
}

.ytpg-list-view .ytpg-video-info {
    flex: 1;
    padding: 0 !important;
    display: flex;
    align-items: center;
}

.ytpg-list-view .ytpg-video-title {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--ytpg-text);
    line-height: 1.4;
}

.ytpg-list-view .ytpg-video-card.ytpg-active .ytpg-video-title {
    color: var(--ytpg-primary);
    font-weight: 500;
}

/* ========================================
   Pagination
   ======================================== */
.ytpg-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ytpg-border);
}

.ytpg-page-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--ytpg-gradient);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.ytpg-page-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: #fff;
}

.ytpg-page-btn svg {
    width: 20px;
    height: 20px;
}

.ytpg-page-info {
    color: var(--ytpg-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Error Message */
.ytpg-error {
    text-align: center;
    padding: 2rem;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--ytpg-radius);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .ytpg-grid-view {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 640px) {
    .ytpg-container {
        margin: 1rem;
        border-radius: var(--ytpg-radius-sm);
    }

    .ytpg-player-section,
    .ytpg-playlist-section {
        padding: 1rem;
    }

    .ytpg-grid-view {
        grid-template-columns: 1fr !important;
    }

    .ytpg-current-title {
        font-size: 1rem;
    }

    .ytpg-list-view .ytpg-thumbnail-wrapper {
        width: 100px !important;
        min-width: 100px !important;
        max-width: 100px !important;
        height: 56px !important;
    }

    .ytpg-list-view .ytpg-video-title {
        font-size: 0.8rem;
    }

    .ytpg-pagination {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .ytpg-page-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}