:root {
    --bg: #111214;
    --panel: #1b1c1f;
    --text: #f0f0f0;
    --muted: #9a9ba0;
    --accent: #e8b04b;
    --accent-text: #1b1c1f;
    --danger: #d9534f;
    --border: #2c2d31;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

/* --- Public gallery --- */

.site-header {
    padding: 2rem 1.5rem 1rem;
    text-align: center;
}

.site-header h1 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 600;
}

main { padding: 0 0.75rem 2rem; }

.empty-state, .not-found {
    text-align: center;
    color: var(--muted);
    padding: 3rem 1rem;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 6px;
    max-width: 1400px;
    margin: 0 auto;
}

.photo-tile {
    padding: 0;
    border: 0;
    background: var(--panel);
    cursor: pointer;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 4px;
}

.photo-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.2s ease;
}

.photo-tile:hover img { transform: scale(1.04); }

/* --- Lightbox --- */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.94);
    display: none;
    z-index: 1000;
    flex-direction: column;
}

.lightbox.open { display: flex; }

.lb-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 0;
    padding: 1rem;
}

.lb-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 2px;
}

.lb-loading {
    position: absolute;
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.25);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

.lb-loading.active { display: block; }

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

.lb-close, .lb-prev, .lb-next {
    position: absolute;
    background: rgba(255,255,255,0.08);
    border: 0;
    color: var(--text);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    z-index: 5;
}

.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,0.18); }

.lb-close { top: 1rem; right: 1rem; }
.lb-prev { top: 50%; left: 1rem; transform: translateY(-50%); }
.lb-next { top: 50%; right: 1rem; transform: translateY(-50%); }

.lb-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 1rem;
}

.lb-counter { color: var(--muted); font-size: 0.9rem; }

.btn-download {
    background: var(--accent);
    color: var(--accent-text);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
}

/* --- Admin --- */

.admin-body { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.admin-header h1 { margin: 0; font-size: 1.4rem; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.panel h2 { margin-top: 0; font-size: 1.1rem; }

.panel form label {
    display: block;
    margin-bottom: 0.9rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.panel form input[type="text"],
.panel form input[type="password"],
.panel form input[type="file"] {
    display: block;
    width: 100%;
    margin-top: 0.35rem;
    padding: 0.55rem 0.6rem;
    background: #101113;
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text);
    font-size: 0.95rem;
}

button, .btn-secondary, .btn-danger {
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 6px;
    border: 1px solid var(--border);
    padding: 0.55rem 1rem;
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
}

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

.btn-danger { background: var(--danger); color: #fff; }

.btn-small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

.error { color: #ff8a80; }
.success { color: #8fd19e; }

.gallery-table { width: 100%; border-collapse: collapse; }
.gallery-table th, .gallery-table td {
    text-align: left;
    padding: 0.5rem 0.4rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
.gallery-table .actions { display: flex; gap: 0.5rem; align-items: center; }
.gallery-table form { margin: 0; display: inline; }

.gallery-link code {
    background: var(--panel);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.admin-photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.admin-photo-item {
    background: #101113;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px;
    text-align: center;
}

.admin-photo-item img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 4px;
    display: block;
    margin-bottom: 6px;
}

.admin-photo-item form { margin: 0; }

.login-box {
    max-width: 360px;
    margin: 4rem auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
}

.login-box h1 { margin-top: 0; font-size: 1.3rem; text-align: center; }

@media (max-width: 640px) {
    .lb-prev, .lb-next { width: 40px; height: 40px; font-size: 1.5rem; }
    .lb-footer { flex-direction: column; gap: 0.5rem; }
}