:root { --bg:#0b0c10; --card:#12131a; --text:#f3f4f6; --muted:#a1a1aa; --stroke:#27272a; }
*{ box-sizing:border-box; }
body{ margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; background:var(--bg); color:var(--text); }
a{ color:inherit; text-decoration:none; }
.container{ max-width:900px; margin:0 auto; padding:24px; }
.topbar{ display:flex; justify-content:space-between; align-items:center; padding:14px 18px; border-bottom:1px solid var(--stroke); background:rgba(0,0,0,.35); position:sticky; top:0; backdrop-filter: blur(8px); }
.brand{ font-weight:700; letter-spacing:.2px; }
.top-actions{ display:flex; gap:10px; }
.card{ background:var(--card); border:1px solid var(--stroke); border-radius:14px; padding:16px; }
.grid{ display:grid; gap:14px; }
.btn{ display:inline-block; padding:12px 14px; border:1px solid var(--stroke); border-radius:12px; background:rgba(255,255,255,.06); cursor:pointer; }
.btn:hover{ background:rgba(255,255,255,.10); }
.btn.primary{ background:rgba(255,255,255,.12); }
.btn.small{ padding:8px 10px; border-radius:10px; }
label{ display:block; font-size:13px; color:var(--muted); margin:10px 0 6px; }
select, textarea, input{ width:100%; padding:12px; border-radius:12px; border:1px solid var(--stroke); background:#0f1016; color:var(--text); }
textarea{ min-height:140px; resize:vertical; }
.row{ display:flex; gap:12px; flex-wrap:wrap; }
.row > *{ flex:1; min-width:240px; }
.notice{ margin:12px 0; padding:12px; border-radius:12px; border:1px solid var(--stroke); background:rgba(34,197,94,.08); }
.error{ background:rgba(239,68,68,.10); }
hr{ border:none; border-top:1px solid var(--stroke); margin:16px 0; }