:root{
  --bg:#f7f8fa; --card:#ffffff; --text:#1f2329; --muted:#8a909c;
  --primary:#f97316; --primary-d:#ea580c; --accent:#2563eb;
  --line:#e8eaed; --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;display:flex;min-height:100vh}

.sidebar{width:200px;background:#1f2329;color:#e8eaed;padding:18px 0;display:flex;flex-direction:column}
.brand{font-size:16px;font-weight:700;padding:0 18px 14px;border-bottom:1px solid #333;margin-bottom:10px}
#nav{display:flex;flex-direction:column;flex:1}
#nav a{color:#c4c9d2;text-decoration:none;padding:11px 18px;font-size:14px;border-left:3px solid transparent}
#nav a:hover{background:#2a2f37;color:#fff}
#nav a.active{background:#2a2f37;color:#fff;border-left-color:var(--primary)}
.side-foot{font-size:11px;color:#6b7280;padding:10px 18px}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:12px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}
.topbar h2{margin:0;font-size:18px}
.urgent-badge{background:var(--danger);color:#fff;border-radius:12px;min-width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;padding:0 7px;font-size:12px;font-weight:700}
.content{padding:22px 24px;overflow:auto}

h1{font-size:20px;margin:0 0 6px}
h2{font-size:16px;margin:22px 0 10px}
.muted{color:var(--muted)}
.err{color:var(--danger)}

.cards{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;min-width:120px;
  box-shadow:var(--shadow);text-align:center}
.card .num{font-size:24px;font-weight:700;color:var(--primary)}
.card.danger .num{color:var(--danger)}

/* ===== 选题雷达（AIHOT 转发） ===== */
.radar-box{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;box-shadow:var(--shadow);margin:14px 0}
.radar-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.radar-head h2{margin:0;font-size:15px}
.radar-note{font-size:12px;color:var(--muted);margin:0 0 10px}
.radar-stale{background:#fff7ed;color:#b45309;border:1px solid #fed7aa;border-radius:8px;
  padding:8px 10px;font-size:12.5px;margin-bottom:10px}
.radar-stale .err{color:#b45309}
.radar-list{display:flex;flex-direction:column;gap:8px}
.radar-item{display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border:1px solid var(--line);
  border-radius:10px;background:#fcfcfd}
.radar-item:hover{border-color:var(--primary)}
.radar-rank{font-size:12px;font-weight:700;color:var(--primary);min-width:20px;padding-top:1px}
.radar-body{flex:1;min-width:0}
.radar-title{font-size:13.5px;line-height:1.5;word-break:break-word}
.radar-title a{color:var(--text);text-decoration:none}
.radar-title a:hover{color:var(--primary);text-decoration:underline}
.radar-meta{font-size:11.5px;color:var(--muted);margin-top:3px;display:flex;gap:10px;flex-wrap:wrap}
.radar-act{display:flex;gap:6px;align-items:center;flex-shrink:0}
.radar-empty{padding:18px;text-align:center;color:var(--muted);font-size:13px}

table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);
  border-radius:10px;overflow:hidden;box-shadow:var(--shadow);margin-top:6px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}
th{background:#fafbfc;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:none}

.badge{display:inline-block;padding:2px 9px;border-radius:11px;font-size:12px;font-weight:600;white-space:nowrap}
.badge.pending{background:#dbeafe;color:#1d4ed8}
.badge.overdue{background:#ffedd5;color:#c2410c}
.badge.expired{background:#fee2e2;color:#b91c1c}
.badge.backfilled{background:#dcfce7;color:#15803d}
.badge.ok{background:#dcfce7;color:#15803d}
.badge.warn{background:#fef3c7;color:#b45309}
.badge.no_time{background:#f1f5f9;color:#64748b}

button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:7px 12px;font-size:13px;
  background:var(--primary);color:#fff;transition:.15s}
button:hover{background:var(--primary-d)}
button.ghost{background:#eef2f7;color:#334155}
button.ghost:hover{background:#e2e8f0}
button.bf{background:var(--accent)}
button.bf:hover{background:#1d4ed8}
button.danger{background:#fff;color:var(--danger);border:1px solid #fecaca}
button.danger:hover{background:#fef2f2}

form.inline{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;background:var(--card);
  border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0;box-shadow:var(--shadow)}
form.inline label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px}
form.inline input,form.inline select,form.inline textarea{
  font-family:inherit;font-size:13px;padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--text)}
form.inline input:focus,form.inline select:focus,form.inline textarea:focus{outline:none;border-color:var(--primary)}
.remain{font-variant-numeric:tabular-nums;font-weight:600;color:var(--danger)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.tip{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:8px;padding:8px 12px;font-size:12px;margin:8px 0}