/* ========================================
   POFIMAGE Gallery Styles
   ======================================== */

/* Gallery Hero */
.gallery-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing-2xl) + 60px) var(--spacing-md) var(--spacing-xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-sage-light), var(--color-bg-secondary));
}

/* Background Image */
.gallery-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 300px;
    height: 300px;
    background-image: url('images/kids-creative.png');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    border-radius: 0 0 100% 0;
    pointer-events: none;
}

.gallery-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 280px;
    height: 280px;
    background-image: url('images/kids-creative.png');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
    border-radius: 100% 0 0 0;
    pointer-events: none;
    transform: scaleX(-1);
}

.gallery-hero .hero-content {
    text-align: center;
    z-index: 10;
}

.gallery-hero .hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
}

/* Admin Toggle */
.admin-toggle-container {
    display: flex;
    justify-content: center;
    padding: var(--spacing-md) 0;
    background: var(--color-bg-primary);
}

.admin-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-terracotta);
    color: var(--color-text-inverse);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.admin-toggle-btn:hover {
    background: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.admin-toggle-btn.hidden {
    display: none;
}

.login-btn-link {
    text-decoration: none;
    background: var(--color-sage);
}

.login-btn-link:hover {
    background: var(--color-text-primary);
}

.logout-btn {
    background: var(--color-dusty-rose);
}

.logout-btn:hover {
    background: var(--color-text-primary);
}

/* Admin Panel */
.admin-panel {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0;
    border-bottom: 2px solid var(--color-beige);
}

.admin-panel.hidden {
    display: none;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.admin-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text-primary);
}

.close-admin-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-admin-btn:hover {
    background: var(--color-dusty-rose);
    color: var(--color-text-inverse);
}

.admin-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Upload & Category Forms */
.upload-section,
.category-section {
    background: var(--color-bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.upload-section h3,
.category-section h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-beige);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-sage);
    box-shadow: 0 0 0 3px rgba(164, 190, 123, 0.2);
}

.form-group input[type="file"] {
    padding: var(--spacing-sm);
    border: 2px dashed var(--color-beige);
    border-radius: var(--radius-md);
    width: 100%;
    cursor: pointer;
}

.file-preview {
    margin-top: var(--spacing-sm);
    text-align: center;
}

.file-preview img {
    max-width: 200px;
    max-height: 150px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.upload-btn,
.create-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
}

.upload-btn {
    background: var(--color-sage);
    color: var(--color-text-inverse);
}

.upload-btn:hover {
    background: var(--color-text-primary);
    transform: translateY(-2px);
}

.create-btn {
    background: var(--color-coral);
    color: var(--color-text-inverse);
}

.create-btn:hover {
    background: var(--color-text-primary);
    transform: translateY(-2px);
}

.upload-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
}

.upload-status.success {
    background: rgba(164, 190, 123, 0.2);
    color: var(--color-sage);
}

.upload-status.error {
    background: rgba(212, 165, 165, 0.2);
    color: var(--color-dusty-rose);
}

/* Category Filter */
.category-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.category-filters {
    display: flex;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-sage);
    color: var(--color-sage);
}

.filter-btn.active {
    background: var(--color-sage);
    color: var(--color-text-inverse);
}

/* Gallery Section */
.gallery-section {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    background: var(--color-bg-primary);
    min-height: 50vh;
}

.gallery-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-light);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-beige);
    border-top-color: var(--color-sage);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state.hidden {
    display: none;
}

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

.empty-state h3 {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.start-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-terracotta);
    color: var(--color-text-inverse);
    font-family: var(--font-heading);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
}

.start-upload-btn:hover {
    background: var(--color-text-primary);
    transform: translateY(-2px);
}

/* Under Construction */
.under-construction {
    text-align: center;
    padding: var(--spacing-2xl);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.construction-img {
    max-width: 250px;
    width: 100%;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.under-construction h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-terracotta);
    margin-bottom: var(--spacing-sm);
}

.under-construction p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Category Row */
.category-row {
    position: relative;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.category-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.category-count {
    font-size: 0.85rem;
    color: var(--color-text-light);
    background: var(--color-bg-secondary);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.scroll-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.scroll-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.scroll-btn:hover {
    background: var(--color-sage);
    color: var(--color-text-inverse);
}

/* Horizontal Scroll Gallery */
.gallery-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-beige) transparent;
}

.gallery-scroll::-webkit-scrollbar {
    height: 8px;
}

.gallery-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.gallery-scroll::-webkit-scrollbar-thumb {
    background: var(--color-beige);
    border-radius: var(--radius-full);
}

.gallery-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--color-terracotta);
}

/* Gallery Card */
.gallery-card {
    flex: 0 0 auto;
    width: 250px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.gallery-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.gallery-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(92, 64, 51, 0.7), transparent);
    opacity: 0;
    transition: var(--transition-normal);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

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

.card-info {
    padding: var(--spacing-sm) var(--spacing-md);
}

.card-filename {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 30px;
    height: 30px;
    background: rgba(212, 165, 165, 0.9);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.9rem;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-card:hover .card-delete {
    opacity: 1;
}

.card-delete:hover {
    background: var(--color-dusty-rose);
    transform: scale(1.1);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(92, 64, 51, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.lightbox.hidden {
    opacity: 0;
    pointer-events: none;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-content {
    max-width: 90%;
    max-height: 85vh;
    text-align: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 75vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.lightbox-info {
    margin-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.lightbox-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-sage);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    margin-right: var(--spacing-sm);
}

.lightbox-filename {
    font-size: 0.9rem;
}

/* Nav Link Active State */
.nav-link.active {
    color: var(--color-terracotta);
    background: var(--color-terracotta-light);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-content {
        grid-template-columns: 1fr;
    }

    .gallery-card {
        width: 200px;
    }

    .gallery-card img {
        height: 140px;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}