/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    --accent-primary: #ff3366;
    --accent-secondary: #6366f1;
    --border-color: #333333;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --overlay: rgba(0, 0, 0, 0.8);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo a {
    color: var(--text-primary);
    text-decoration: none;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.logo .highlight {
    color: var(--accent-primary);
}

.logo .tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.nav {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.user-info, .user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.username {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #ff1a4d;
    color: white;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

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

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

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

.btn-block {
    width: 100%;
    display: block;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.btn-icon:hover, .btn-icon.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

/* Main Content */
.main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Category Section */
.category-section {
    margin-bottom: 3rem;
}

.category-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.category-card {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
    cursor: pointer;
}

.category-card:hover, .category-card.active {
    border-color: var(--accent-primary);
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
}

.category-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.badge-18 {
    background-color: var(--error);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.category-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.photo-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Three Column Layout */
.three-column-layout {
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Sidebars */
.left-sidebar,
.right-sidebar {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 80px;
}

.sidebar-section {
    margin-bottom: 1.5rem;
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Category Dropdown */
.category-dropdown {
    width: 100%;
    padding: 0.75rem;
    background-color: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
}

.category-dropdown option {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 0.5rem;
}

.category-dropdown:hover {
    border-color: var(--accent-secondary);
    background-color: #242424;
}

.category-dropdown:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: #242424;
}

/* Right Sidebar Placeholder */
.placeholder-content {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.placeholder-content p {
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--accent-primary);
}

/* Center Content */
.center-content {
    min-height: 500px;
}

/* Single Photo Display */
.single-photo-container {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
}

.photo-main {
    width: 100%;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.photo-wrapper {
    position: relative;
    max-width: 100%;
    display: inline-block;
}

.single-photo-img {
    max-width: 100%;
    max-height: 600px;
    width: auto;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    display: block;
}

/* Photo Overlay Badges */
.photo-badge {
    position: absolute;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    z-index: 10;
    font-size: 0.75rem;
}

/* Rating Badge - Top Center */
.rating-badge-overlay {
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255, 51, 102, 0.95);
    color: white;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.rating-badge-overlay .rating-value {
    font-size: 0.75rem;
    color: white;
    font-weight: 700;
}

.rating-badge-overlay .vote-count {
    font-size: 0.65rem;
    opacity: 0.9;
    color: white;
}

.rating-badge-overlay .no-rating {
    font-size: 0.7rem;
    color: white;
}

/* Category Badge - Bottom Left */
.category-badge-overlay {
    bottom: 1rem;
    left: 1rem;
    background-color: rgba(99, 102, 241, 0.95);
    color: white;
    font-size: 0.95rem;
}

/* Username Badge - Bottom Right */
.user-badge-overlay {
    bottom: 1rem;
    right: 1rem;
    background-color: rgba(26, 26, 26, 0.95);
    color: white;
    font-size: 0.95rem;
}

.user-badge-overlay a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s;
}

.user-badge-overlay a:hover {
    opacity: 0.8;
}

/* Current Rating Display (below buttons) */
.current-rating-display {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.current-rating-display .rating-value {
    font-size: 1.25rem;
    color: #ff3366;
    font-weight: 700;
    margin-right: 0.5rem;
}

.current-rating-display .vote-count {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.current-rating-display .no-rating {
    font-size: 1rem;
    color: var(--text-secondary);
    font-style: italic;
}

.photo-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.photo-details {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.photo-by {
    color: var(--text-secondary);
}

.photo-by a {
    color: var(--accent-secondary);
    font-weight: 500;
}

.photo-stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.current-rating {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-primary);
}

/* Rating Section */
.rating-section {
    padding: 2rem 1.5rem;
}

.rating-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.rating-form {
    margin-bottom: 2rem;
}

.rating-buttons {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.rating-btn {
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.2s;
}

.rating-btn:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

.login-prompt,
.own-photo-notice,
.already-rated {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.login-prompt a,
.own-photo-notice,
.already-rated {
    color: var(--text-secondary);
}

.login-prompt a {
    color: var(--accent-primary);
    font-weight: 600;
}

.guest-rating-notice {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
}

.guest-rating-notice a {
    color: var(--accent-secondary);
    font-weight: 600;
}

.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.next-photo {
    text-align: center;
}

.next-photo .btn {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

/* Photo Section */
.photo-section {
    margin-bottom: 3rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.8rem;
}

.view-options {
    display: flex;
    gap: 0.5rem;
}

/* Photo Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.photo-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s;
}

.photo-card:hover {
    transform: translateY(-4px);
}

.photo-link {
    display: block;
    position: relative;
    overflow: hidden;
}

.photo-link img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.category-badge {
    background-color: var(--accent-primary);
    color: white;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.photo-meta {
    padding: 1rem;
}

.photo-meta .user-info {
    margin-bottom: 0.5rem;
}

.photo-meta .user-info a {
    color: var(--text-primary);
    font-weight: 500;
}

.rating-info {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.9rem;
}

.rating-stars {
    color: var(--warning);
}

.vote-count {
    color: var(--text-secondary);
}

.no-rating {
    color: var(--text-muted);
}

/* No Photos */
.no-photos {
    text-align: center;
    padding: 3rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
}

.no-photos p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.page-info {
    color: var(--text-secondary);
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.auth-container {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 16px;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-color);
}

.auth-container-large {
    max-width: 700px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-header h2 {
    font-size: 1.3rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.auth-form {
    margin-bottom: 1.5rem;
}

.auth-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-error {
    margin-bottom: 1rem;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-info {
    background-color: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--accent-secondary);
    color: var(--accent-secondary);
}

/* Upload Page */
.upload-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 16px;
}

.upload-container h2 {
    margin-bottom: 2rem;
}

.image-preview {
    margin-top: 1rem;
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions .btn {
    flex: 1;
}

/* Photo Detail Page */
.photo-detail-page {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

.photo-display {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-display img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
}

.photo-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.photo-info-card, .rating-card, .owner-actions {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
}

.photo-info-card h2 {
    margin-bottom: 1rem;
}

.photo-meta {
    margin: 1.5rem 0;
}

.meta-item {
    margin-bottom: 0.75rem;
}

.meta-item strong {
    color: var(--text-secondary);
    display: inline-block;
    min-width: 100px;
}

.photo-description {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Rating Card */
.rating-card h3 {
    margin-bottom: 1rem;
}

.current-rating {
    text-align: center;
    margin-bottom: 2rem;
}

.rating-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.rating-count {
    color: var(--text-secondary);
}

.rating-distribution {
    margin-bottom: 1.5rem;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.rating-label {
    min-width: 30px;
    color: var(--text-secondary);
}

.bar-container {
    flex: 1;
    height: 20px;
    background-color: var(--bg-primary);
    border-radius: 10px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    transition: width 0.3s;
}

.no-ratings {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem 0;
}

.rating-form {
    margin-top: 1.5rem;
}

.rating-form h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.rating-buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

.rating-btn {
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.rating-btn:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .photo-detail-page {
        grid-template-columns: 1fr;
    }
    
    .photo-sidebar {
        order: 2;
    }
    
    .three-column-layout {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
    }
    
    .left-sidebar,
    .right-sidebar {
        position: relative;
        top: 0;
    }
    
    .rating-buttons {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav {
        flex-wrap: wrap;
    }
    
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 480px) {
    .photo-grid {
        grid-template-columns: 1fr;
    }
    
    .rating-buttons {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.3rem;
    }
    
    .rating-btn {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
}