:root{ --bg:#0f172a; --card:#111827; --muted:#94a3b8; --accent:#22d3ee; --text:#e5e7eb; }
*{ box-sizing:border-box; }
body{ margin:0; font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu; background:var(--bg); color:var(--text); }
a{ color:var(--accent); text-decoration:none; }
.header{ display:flex; align-items:center; gap:12px; padding:16px 24px; border-bottom:1px solid #1f2937; }
.header img{ height:36px; }
.container{ max-width:1000px; margin:24px auto; padding:0 16px; }
.card{ background:linear-gradient(180deg,#0b1220,#0a0f1a); border:1px solid #1f2937; border-radius:16px; padding:20px; box-shadow:0 10px 30px rgba(0,0,0,.25); }
.input{ width:100%; padding:12px 14px; border-radius:10px; border:1px solid #374151; background:#0b1220; color:var(--text); }
.btn{ display:inline-block; padding:10px 14px; border-radius:12px; border:1px solid #374151; background:#0b1220; color:var(--text); cursor:pointer; }
.btn.primary{ background:linear-gradient(90deg,#06b6d4,#3b82f6); border:none; color:white; }
.grid{ display:grid; gap:16px; }
.grid.two{ grid-template-columns:repeat(2,1fr); }
.table{ width:100%; border-collapse:collapse; }
.table th,.table td{ border-bottom:1px solid #1f2937; padding:10px; text-align:left; }
.badge{ padding:4px 8px; border-radius:999px; background:#0ea5e9; color:white; font-size:12px; }
.help{ color:var(--muted); font-size:14px; }
.nav{ display:flex; gap:10px; margin-bottom:12px; flex-wrap:wrap; }
.nav a{ padding:8px 12px; background:#0b1220; border:1px solid #374151; border-radius:8px; }
.notice{ background:#052e2b; border:1px solid #134e4a; color:#a7f3d0; padding:10px 12px; border-radius:10px; margin-bottom:12px;}
.alert{ background:#3b0d0d; border:1px solid #7f1d1d; color:#fecaca; padding:10px 12px; border-radius:10px; margin-bottom:12px;}
.timer{ font-weight:700; letter-spacing:1px; }


.no-select, .no-select *{ user-select:none; -webkit-user-select:none; -ms-user-select:none; }
.fs-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.85); color:#fff;
  display:flex; align-items:center; justify-content:center; z-index:9999; padding:24px; text-align:center;
}
.fs-overlay .box{ max-width:520px; }
.fs-overlay .btn{ margin-top:16px; }