:root {
    --color-bg: #faf9f6;
    --color-text: #1f1f1f;
    --color-muted: #6b6b6b;
    --color-accent: #1a1a1a;
    --color-border: #e3e1db;
    --color-danger: #b3261e;
    --radius: 6px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a { color: inherit; }

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    text-decoration: none;
}
.logo span { font-weight: 400; color: var(--color-muted); }

.site-header nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.site-header nav a { text-decoration: none; font-size: 0.95rem; }
.site-header nav a:hover { text-decoration: underline; }

.site-main { max-width: 1100px; margin: 0 auto; padding: 2rem; }
.site-footer { text-align: center; padding: 2rem; color: var(--color-muted); font-size: 0.85rem; }

.gallery-controls { margin-bottom: 1.5rem; }
.search-form { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.search-form input { flex: 1; padding: 0.6rem; border: 1px solid var(--color-border); border-radius: var(--radius); }
.search-form button { padding: 0.6rem 1.2rem; border: none; background: var(--color-accent); color: #fff; border-radius: var(--radius); cursor: pointer; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.85rem;
    color: var(--color-text);
}
.tag-active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.2rem;
}
.photo-card {
    text-decoration: none;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    display: block;
}
.photo-card img { width: 100%; height: 160px; object-fit: cover; display: block; }
.photo-card-info { padding: 0.7rem; display: flex; flex-direction: column; gap: 0.2rem; }
.photo-card-info .price { font-weight: 600; }

.photo-detail { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; }
.photo-detail-image img { width: 100%; border-radius: var(--radius); border: 1px solid var(--color-border); }
.photo-detail-info .price { font-size: 1.3rem; font-weight: 700; }
.photo-detail-info form { margin: 1.2rem 0; }

button, .button {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
}
.button-danger { background: var(--color-danger); }
.link-button { background: none; border: none; color: var(--color-danger); text-decoration: underline; cursor: pointer; padding: 0; font-size: 0.85rem; }

.hint { color: var(--color-muted); font-size: 0.85rem; }
.error { color: var(--color-danger); font-weight: 600; }

.cart-list { list-style: none; padding: 0; }
.cart-list li { display: flex; align-items: center; gap: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--color-border); }
.cart-list img { width: 60px; height: 60px; object-fit: cover; border-radius: var(--radius); }
.cart-title { flex: 1; }
.cart-total { font-size: 1.2rem; margin: 1rem 0; }

form label { display: block; margin-top: 0.8rem; font-weight: 600; font-size: 0.9rem; }
form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="file"] {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-top: 0.3rem;
}
form button { margin-top: 1.2rem; }

.admin-login { max-width: 360px; margin: 4rem auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { text-align: left; padding: 0.6rem; border-bottom: 1px solid var(--color-border); }
.admin-thumb { width: 60px; height: 60px; object-fit: cover; border-radius: var(--radius); }
.admin-preview { max-width: 100%; border-radius: var(--radius); margin-bottom: 1rem; }
.delete-form { margin-top: 2rem; }