:root { --bg:#0b0f14; --fg:#e9eef5; --muted:#9bb0c3; --card:#10161f; --accent:#2aa0ff; }
*{box-sizing:border-box} body{margin:0;font:16px/1.5 system-ui;background:#fff;color:#111}
.container{max-width:1100px;margin:0 auto;padding:24px}
.site-header{background:#111;color:#fff}
.site-header .wrap{display:flex;gap:24px;align-items:center;justify-content:space-between;max-width:1100px;margin:0 auto;padding:16px 24px}
.site-header a{color:#fff;text-decoration:none;margin:0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.card{display:block;background:#fafafa;border:1px solid #eee;border-radius:10px;overflow:hidden}
.card img{width:100%;height:160px;object-fit:cover;background:#ddd}
.card-body{padding:12px}
.detail{display:grid;grid-template-columns:320px 1fr;gap:24px}
.detail img{width:100%;height:auto;border-radius:10px;background:#ddd}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid #eee;padding:8px 6px;text-align:left}
.btn{display:inline-block;padding:8px 12px;border-radius:8px;background:#111;color:#fff;text-decoration:none}
.alert.error{background:#ffe5e5;color:#900;padding:8px;border-radius:8px;margin-bottom:10px}
.auth{display:grid;place-items:center;height:100vh;background:#f4f5f7}
.auth-card{max-width:360px;padding:20px;border:1px solid #eee;border-radius:12px;background:#fff}
.form label{display:block;margin:10px 0}
.form input[type="text"], .form input[type="password"], .form input[type="number"], .form textarea {width:100%;padding:8px;border:1px solid #ddd;border-radius:8px}
.admin-nav{background:#111;padding:10px}
.admin-nav a{color:#fff;margin-right:12px;text-decoration:none}