:root{--bg:#f6f7f9;--card:#fff;--ink:#111;--muted:#6b7280;--line:#e5e7eb;--accent:#111;--danger:#b91c1c}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial}
.container{max-width:1000px;margin:0 auto;padding:16px}
.topbar{position:sticky;top:0;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.footer{border-top:1px solid var(--line);margin-top:24px}
.flex{display:flex;gap:12px;align-items:center}
.between{justify-content:space-between}
.nav a{margin-right:12px;text-decoration:none;color:var(--ink)}
.nav .brand{font-weight:700}
h1{font-size:28px;margin:8px 0 16px}
h2{font-size:18px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:16px 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid label{display:grid;gap:6px}
input,button,select{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.btn{background:var(--accent);color:#fff;border:1px solid var(--accent);cursor:pointer}
.btn:hover{opacity:.9}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.muted{color:var(--muted);font-size:14px}
.table{display:grid;grid-template-columns:60px 120px 1fr 140px 160px 120px;gap:8px}
.table .thead{display:contents;font-weight:600;color:#374151}
.table .row{display:contents;align-items:center}
.thumb{width:100px;height:100px;object-fit:contain;background:#f0f0f0;border:1px solid var(--line);border-radius:8px}
@media (max-width:800px){
  .grid{grid-template-columns:1fr}
  .table{grid-template-columns:50px 80px 1fr 100px 120px 100px}
}