/* CupCamera - Photography Portfolio Theme */

:root {
    --bg-primary: #F8FDDD;
    --bg-secondary: #F3F0D9;
    --bg-hover: #E6DCC5;
    --text-primary: #3D2200;
    --text-secondary: #5A3F0A;
    --text-muted: #75613B;
    --accent: #FF851B;
    --border: #E6DCC5;
    --danger: #D32F2F;
    --success: #388E3C;
    --overlay: rgba(0, 0, 0, 0.8);
    
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    --transition: all 0.2s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

header h1 a {
    color: var(--text-primary);
    text-decoration: none;
}

header nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

header nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

header nav a:hover {
    color: var(--text-primary);
}

/* Main content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Page title */
.page-title {
    margin-bottom: 2rem;
}

.page-title h2 {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-primary);
}

.page-title p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Album grid */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.album-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.album-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.album-card .cover {
    aspect-ratio: 4/3;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.album-card .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.album-card:hover .cover img {
    transform: scale(1.02);
}

.album-card .cover .placeholder {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.album-card .info {
    padding: 1rem;
}

.album-card .info h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.album-card .info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Photo grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.photo-item {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.photo-item:hover {
    transform: scale(1.02);
    z-index: 1;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.photo-item.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.photo-item .actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: var(--transition);
}

.photo-item:hover .actions {
    opacity: 1;
}

.photo-item .actions button {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}

.photo-item .actions button:hover {
    background: var(--danger);
}

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 3rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--text-primary);
    background: var(--bg-secondary);
}

.upload-zone .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.upload-zone p strong {
    color: var(--text-primary);
    font-weight: 500;
}

.upload-progress {
    display: none;
    margin-top: 1rem;
}

.upload-progress.active {
    display: block;
}

.upload-progress-bar {
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    overflow: hidden;
}

.upload-progress-bar .fill {
    height: 100%;
    background: var(--text-primary);
    width: 0%;
    transition: width 0.3s ease;
}

/* Lightbox */
.lightbox {
    visibility: hidden;
    opacity: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    transition: visibility 0.3s ease, opacity 0.3s ease;
}

.lightbox.active {
    visibility: visible;
    opacity: 1;
}

.lightbox-content {
    display: flex;
    width: 100%;
    height: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.lightbox-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lightbox-sidebar {
    width: 300px;
    padding: 2rem;
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.lightbox-sidebar h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.exif-data {
    flex: 1;
}

.exif-item {
    margin-bottom: 1rem;
}

.exif-item label {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.exif-item span {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-mono);
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 50%;
}

.lightbox-close:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 50%;
}

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

.lightbox-nav.prev {
    left: 1rem;
}

.lightbox-nav.next {
    right: 320px;
}

.lightbox-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

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

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

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

.btn-danger {
    color: var(--danger);
    border-color: var(--danger);
}

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

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
}

.modal h3 {
    margin-bottom: 1rem;
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Forms */
input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--text-secondary);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 0.9rem;
}

/* Reorder hint */
.reorder-hint {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* Accessibility - Focus Styles */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* Focus styles for specific elements */
.album-card:focus {
    box-shadow: 0 0 0 2px var(--text-primary);
}

.photo-item:focus {
    box-shadow: 0 0 0 2px var(--text-primary);
    z-index: 2;
}

/* Reduced motion - respect user preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    :root {
        --transition: none;
    }
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    main {
        padding: 1rem;
    }
    
    .album-grid {
        grid-template-columns: 1fr;
    }
    
    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .lightbox-sidebar {
        display: none;
    }
    
    .lightbox-nav.next {
        right: 1rem;
    }
}