/* Minimal, neutral styling (kept consistent) */
:root{
  --bc-bg:#f6f7f9;
  --bc-surface:#ffffff;
  --bc-border:#e7e8ec;
  --bc-text:#111827;
  --bc-muted:#6b7280;
  --bc-danger:#b91c1c;
  --bc-shadow: 0 8px 24px rgba(15,23,42,.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bc-bg:#0b0c0f;
    --bc-surface:#111214;
    --bc-border:#23252a;
    --bc-text:#e5e7eb;
    --bc-muted:#9aa1ab;
    --bc-shadow: 0 10px 30px rgba(0,0,0,.45);
  }
}
.bc-wrapper{max-width:900px;margin:24px auto;padding:12px}
.bc-stats{display:flex;gap:14px;justify-content:center}
.bc-stat{background:var(--bc-surface);border:1px solid var(--bc-border);border-radius:14px;padding:14px 18px;text-align:center;box-shadow: var(--bc-shadow);min-width:240px}
.bc-stat-label{font-size:12px;color:var(--bc-muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.bc-stat-number{font-size:38px;font-weight:800;color:var(--bc-text)}
.bc-card{margin-top:16px;background:var(--bc-surface);border:1px solid var(--bc-border);border-radius:16px;box-shadow: var(--bc-shadow);padding:26px 24px}
.bc-title{font-size:26px;margin:0 0 12px;color:var(--bc-text);font-weight:800}
.bc-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:620px}
.bc-form .bc-row{display:flex;flex-direction:column}
.bc-form .bc-row.full{grid-column:1/-1}
.bc-row label{font-size:12px;color:var(--bc-muted);margin-bottom:6px;letter-spacing:.02em}
.bc-row input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--bc-border);background:#fff;color:#111;font-size:16px}
@media (prefers-color-scheme: dark){ .bc-row input{background:#0f1115;color:var(--bc-text)} }
.bc-row input:focus{outline:none;border-color:#b3b7c0;box-shadow:0 0 0 3px rgba(140,148,160,.25)}
.bc-btn{display:inline-block;border:1px solid var(--bc-border);background:#111827;color:#fff;padding:12px 18px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:700}
.bc-btn:hover{filter:brightness(1.05)}
.bc-btn:disabled{opacity:.6;cursor:not-allowed}
.bc-btn-danger{background:#b91c1c;border-color:#821717}
.bc-msg{margin-top:6px;font-size:14px}
.bc-msg-ok{color:#16a34a}
.bc-msg-error{color:#ef4444}
.bc-msg-warn{color:#ca8a04}
.bc-admin{margin-top:18px;border-top:1px dashed var(--bc-border);padding-top:12px}
.bc-admin-row{display:flex;gap:10px;flex-wrap:wrap}
.bc-winner{margin-top:10px;font-size:18px;font-weight:800;color:var(--bc-text)}
.bc-admin-list{margin-top:18px}
.bc-table-wrap{overflow:auto;border:1px solid var(--bc-border);border-radius:12px;background:var(--bc-surface);box-shadow: var(--bc-shadow)}
.bc-table{width:100%;border-collapse:collapse}
.bc-table th,.bc-table td{padding:11px;border-bottom:1px solid var(--bc-border);text-align:left;font-size:14px;color:var(--bc-text)}
.bc-table thead th{font-size:12px;color:var(--bc-muted);letter-spacing:.06em;text-transform:uppercase}
.bc-table tbody tr{cursor:pointer}
.bc-table tbody tr.selected{background:#f3f4f6}
@media (prefers-color-scheme: dark){ .bc-table tbody tr.selected{background:#1a1d23} }