:root{--bg:#0b0d12;--card:rgba(255,255,255,.06);--card2:rgba(255,255,255,.08);--text:rgba(255,255,255,.92);--muted:rgba(255,255,255,.65);--border:rgba(255,255,255,.12);--shadow:0 12px 40px rgba(0,0,0,.35);--btn:rgba(255,255,255,.12);--btn2:rgba(255,255,255,.18);}
[data-theme="light"]{--bg:#f6f7fb;--card:rgba(0,0,0,.04);--card2:rgba(0,0,0,.06);--text:rgba(0,0,0,.88);--muted:rgba(0,0,0,.62);--border:rgba(0,0,0,.10);--shadow:0 10px 30px rgba(0,0,0,.08);--btn:rgba(0,0,0,.06);--btn2:rgba(0,0,0,.10);}
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:radial-gradient(1200px 800px at 20% 10%,rgba(124,92,255,.25),transparent 60%),radial-gradient(900px 600px at 80% 0%,rgba(0,220,255,.15),transparent 55%),var(--bg);color:var(--text)}
.topbar{max-width:1100px;margin:18px auto 0;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--border);background:linear-gradient(to bottom,var(--card2),var(--card));border-radius:18px;box-shadow:var(--shadow)}
.left{display:flex;align-items:center;gap:14px}
.banner{height:36px;object-fit:contain;border-radius:10px}
.sub{color:var(--muted);font-size:12px}
.grid{max-width:1100px;margin:16px auto;padding:0 18px;display:grid;grid-template-columns:1fr;gap:16px}
.card{border:1px solid var(--border);background:linear-gradient(to bottom,var(--card2),var(--card));border-radius:18px;box-shadow:var(--shadow);padding:16px}
.h{font-weight:800;font-size:16px;margin-bottom:12px}
.h2{font-weight:800;font-size:14px;margin:12px 0 8px}
.row{display:flex;gap:10px;margin:10px 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.input{width:100%;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text);padding:10px 12px;border-radius:14px;outline:none}
.btn{border:1px solid var(--border);background:linear-gradient(to bottom,var(--btn2),var(--btn));color:var(--text);padding:10px 12px;border-radius:14px;cursor:pointer;font-weight:700}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent}
.msg{color:var(--muted);font-size:12px;min-height:18px}
.hidden{display:none}
.check{color:var(--muted);font-size:12px;display:flex;gap:8px;align-items:center}
.split{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:10px}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.box{border:1px solid var(--border);border-radius:14px;padding:10px;background:rgba(255,255,255,.03);min-height:120px}
.foot{max-width:1100px;margin:0 auto 18px;padding:0 18px 18px;color:var(--muted);font-size:12px;text-align:center}