:root{--fg:#0f172a;--muted:#64748b;--bg:#ffffff;--bd:#e2e8f0;--pri:#0ea5e9}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter;color:var(--fg);background:var(--bg)}
.container{max-width:960px;margin:0 auto;padding:0 16px}
.header{padding:32px 0 8px}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:40px;height:40px}
.subtitle{color:var(--muted);margin:4px 0 0}
.panel{border:1px solid var(--bd);border-radius:14px;padding:16px;margin:16px 0;background:#fff}
.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:12px}
.row label{display:block;font-size:14px;color:var(--muted)}
.row input[type=number], .row select{width:100%;padding:10px;border:1px solid var(--bd);border-radius:10px;background:#fff}
.actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap}
button{padding:10px 14px;border:1px solid var(--bd);border-radius:12px;background:#f8fafc;color:#0f172a;cursor:pointer}
button.primary{background:var(--pri);border-color:var(--pri);color:#fff}
button.secondary{background:#eef2f7}
button:disabled{opacity:.5;cursor:not-allowed}
.drop{border:2px dashed var(--bd);border-radius:14px;padding:28px;text-align:center;color:var(--muted);margin:8px 0}
.drop.drag{border-color:var(--pri);background:#f0f9ff}
.list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:12px}
.card{border:1px solid var(--bd);border-radius:12px;overflow:hidden;background:#fff}
.card .thumb{width:100%;aspect-ratio:4/3;object-fit:cover;background:#f1f5f9}
.card .meta{padding:10px;font-size:14px}
.meta .row{display:flex;justify-content:space-between}
.meta .size{color:var(--muted)}
.meta .btns{display:flex;gap:8px;margin-top:8px}
.meta a, .meta button{font-size:13px}
.ad{height:90px;border:1px dashed var(--bd);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);margin:12px 0}
.seo{color:#0f172a;margin:24px 0}
.footer{padding:24px 0 40px;color:var(--muted);text-align:center}
.muted{color:var(--muted)}