/* Dark UI, minimal */
:root{
  --bg:#0b0f14; --card:#0f1620; --border:#1f2a37;
  --text:#e6edf3; --muted:#94a3b8; --accent:#22c55e;
  --danger:#ef4444; --link:#7dd3fc;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
h1{margin:0 0 10px;font-size:22px}
h2{margin:0 0 10px;font-size:16px}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.btn{display:inline-block;background:var(--accent);color:#052012;padding:10px 14px;border-radius:12px;font-weight:800;border:0;cursor:pointer;text-decoration:none}
.btn:hover{text-decoration:none;filter:brightness(1.03)}
.btn.danger{background:var(--danger);color:#240506}
.link{color:var(--link)}
label{display:block;margin:10px 0 6px;color:#a8b3cf}
input,textarea,select{width:100%;padding:10px;border-radius:12px;border:1px solid #263445;background:#0b1220;color:var(--text)}
.select{appearance:none}
.textarea{min-height:90px}
.alert{background:#2a0e12;border:1px solid #7f1d1d;color:#fecaca;padding:10px;border-radius:12px;margin:10px 0}
.ok{background:#0c2a14;border:1px solid #166534;color:#bbf7d0;padding:10px;border-radius:12px;margin:10px 0}
.pill{display:inline-block;border:1px solid var(--border);padding:4px 10px;border-radius:999px;color:var(--muted);font-size:12px;margin-bottom:10px}
.ad{margin:12px 0;padding:12px;border:1px dashed #334155;border-radius:14px;background:#0b1220}
.countdown{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}
.actions{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--border);background:#0b1220;position:sticky;top:0}
.brand{font-weight:900}
.topbar-right{display:flex;align-items:center;gap:12px}
.grid-admin{display:grid;grid-template-columns:290px 1fr;gap:14px}
@media(max-width:960px){.grid-admin{grid-template-columns:1fr}}
.sidebar .nav{display:block;padding:10px 12px;border-radius:12px;color:var(--text);border:1px solid transparent}
.sidebar .nav:hover{background:#0b1220;border-color:#223044;text-decoration:none}
.sidebar .nav.active{background:#0b1220;border-color:#223044}
.sep{height:1px;background:var(--border);margin:12px 0}
.code{display:block;white-space:nowrap;overflow:auto}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid #223044;padding:10px;text-align:left;vertical-align:top}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
@media(max-width:760px){.kpis{grid-template-columns:1fr}}
.kpi{border:1px solid #223044;border-radius:14px;padding:12px;background:#0b1220}
.kpi-num{font-size:22px;font-weight:900}
.kpi-label{font-size:12px;color:var(--muted)}