/**
 * Gallery Styles - 갤러리 전용 스타일
 * Open/Closed Principle - 확장 가능
 */

/* Gallery Header */
/* Gallery Header */
.gallery-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
    font-weight: 600;
}

.clear-all-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-base);
}

.clear-all-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

.gallery-link:hover {
    background: var(--primary-color);
    color: var(--text-on-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.gallery-icon {
    font-size: 1.5rem;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-base);
}

.back-btn:hover {
    color: var(--primary-color);
    background: rgba(0, 0, 0, 0.05);
    transform: translateX(-3px);
}

.back-btn:hover {
    background: var(--bg-color);
    /* Maintain bg */
    border-color: var(--text-secondary);
    transform: translateX(-2px);
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
}

.filter-tabs::-webkit-scrollbar {
    height: 4px;
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    background: var(--card-bg);
    /* Use card-bg for correct dark mode */
    color: var(--text-secondary);
    white-space: nowrap;
    transition: all var(--transition-base);
    font-weight: 500;
}

.filter-tab:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.filter-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Main Layout */
.gallery-main {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* Header Adjustments */
header {
    margin-bottom: var(--spacing-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding: 0 var(--spacing-sm);
}

.header-content h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 700;
    /* Removed absolute positioning to prevent overlap */
}

/* Back Button Mobile Optimization */
.back-btn {
    padding: var(--spacing-sm);
}

@media (max-width: 639px) {
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
        justify-content: center;
        text-align: center;
    }

    .header-content h1 {
        order: 2;
        width: 100%;
        margin-top: -10px;
        /* Slight visual adjustment */
    }

    .back-btn {
        order: 1;
        margin-right: auto;
    }

    .header-content>div:last-child {
        order: 1;
        margin-left: auto;
    }
}

/* Filter Tabs Container */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    /* Default for mobile/scroll */
}

@media (min-width: 640px) {
    .filter-tabs {
        justify-content: center;
    }
}


/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    /* Explicit gap */
    padding-bottom: 40px;
}

/* Media Card matches JS class .media-card */
.media-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    /* Matches main cards */
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Media Thumbnail */
.media-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 Aspect Ratio */
    background: #f1f5f9;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.media-thumbnail video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.audio-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg,
            var(--bg-gradient-start) 0%,
            var(--bg-gradient-end) 100%);
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.media-card:hover .media-overlay {
    opacity: 1;
}

.play-icon {
    font-size: 2.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Media Info */
.media-info {
    padding: var(--spacing-md);
}

.media-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.media-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.platform-badge {
    padding: 4px var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.media-date {
    font-size: 0.75rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px var(--spacing-lg);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.empty-btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.empty-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Player Modal */
.player-modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 0;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
}

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.player-header h3 {
    margin: 0;
    font-size: 1.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 90%;
}

.player-container {
    width: 100%;
    background: black;
}

.player-container video,
.player-container audio {
    width: 100%;
    max-height: 60vh;
    display: block;
}

.player-info {
    padding: var(--spacing-lg);
    background: var(--bg-color);
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    font-weight: 500;
}

.player-actions {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
}

.action-btn {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.action-btn.primary {
    background: var(--primary-color);
    color: white;
}

.action-btn.primary:hover {
    background: #1d4ed8;
}

.action-btn.danger {
    background: var(--danger-color);
    color: white;
}

.action-btn.danger:hover {
    background: #dc2626;
}

.action-btn:not(.primary):not(.danger) {
    background: var(--bg-color);
    color: var(--text-primary);
}

.action-btn:not(.primary):not(.danger):hover {
    background: var(--border-color);
}