/* Portfolio Gallery System - Filterable grid with tags */

.portfolio-section {
    padding: 60px 0;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 50px;
}

.portfolio-title {
    font-size: 2.5em;
    color: #fffacd;
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-shadow: 0 0 20px rgba(255, 250, 205, 0.5);
}

.portfolio-subtitle {
    color: #d9cbe5;
    font-size: 1.1em;
    font-style: italic;
}

/* Filter controls */
.filter-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
    padding: 0 20px;
}

.filter-button {
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 250, 205, 0.2);
    color: #d9cbe5;
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 0.95em;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    font-family: Georgia, serif;
}

.filter-button:hover,
.filter-button:focus {
    border-color: rgba(255, 250, 205, 0.5);
    color: #fffacd;
    background: rgba(255, 250, 205, 0.1);
    transform: translateY(-2px);
}

.filter-button.active {
    background: rgba(255, 250, 205, 0.15);
    border-color: #fffacd;
    color: #fffacd;
    box-shadow: 0 0 15px rgba(255, 250, 205, 0.3);
}

.filter-button .count {
    opacity: 0.7;
    font-size: 0.9em;
    margin-left: 6px;
}

/* Gallery grid */
.artwork-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    padding: 0 20px;
}

.artwork-card {
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 250, 205, 0.2);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
}

.artwork-card::before {
    content: '';
    display: block;
    padding-bottom: 100%;
}

@supports (aspect-ratio: 1) {
    .artwork-card {
        aspect-ratio: 1;
    }
    .artwork-card::before {
        display: none;
    }
}

.artwork-card:hover,
.artwork-card:focus {
    transform: scale(1.03);
    border-color: #fffacd;
    box-shadow: 0 15px 40px rgba(255, 250, 205, 0.3);
}

.artwork-card.hidden {
    display: none;
}

.artwork-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.artwork-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.artwork-card:hover .artwork-image {
    transform: scale(1.05);
}

.artwork-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
    padding: 60px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.artwork-card:hover .artwork-overlay,
.artwork-card:focus .artwork-overlay {
    transform: translateY(0);
}

.artwork-title {
    color: #fffacd;
    font-size: 1.2em;
    margin-bottom: 8px;
    font-weight: normal;
    letter-spacing: 1px;
}

.artwork-category {
    color: #c9b8d9;
    font-size: 0.85em;
    font-style: italic;
    margin-bottom: 10px;
}

.artwork-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.artwork-tag {
    background: rgba(255, 250, 205, 0.15);
    color: #fffacd;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75em;
    letter-spacing: 0.5px;
}

/* Featured badge */
.artwork-card.featured::after {
    content: '★';
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 250, 205, 0.9);
    color: #0f1419;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3em;
    box-shadow: 0 4px 15px rgba(255, 250, 205, 0.4);
    z-index: 10;
}

/* Loading state */
.gallery-loading {
    text-align: center;
    padding: 60px 20px;
    color: #d9cbe5;
    font-size: 1.2em;
}

.gallery-loading::after {
    content: '';
    display: inline-block;
    width: 40px;
    height: 40px;
    margin-left: 15px;
    border: 3px solid rgba(255, 250, 205, 0.2);
    border-top-color: #fffacd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Empty state */
.gallery-empty {
    text-align: center;
    padding: 80px 20px;
    color: #b8a9c9;
    font-size: 1.1em;
    font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .artwork-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .portfolio-title {
        font-size: 2em;
    }

    .filter-controls {
        gap: 8px;
    }

    .filter-button {
        padding: 8px 18px;
        font-size: 0.9em;
    }

    /* Always show overlay on mobile for better UX */
    .artwork-overlay {
        transform: translateY(0);
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.6) 60%, transparent 100%);
        padding: 40px 15px 15px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .artwork-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (min-width: 1400px) {
    .artwork-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}