:root{
  --bg:#f5f7fa; --panel:#ffffff; --border:#e5e7eb; --text:#1f2937;
  --muted:#6b7280; --primary:#2563eb; --primary-soft:#eff6ff;
  --high:#dc2626; --mid:#f59e0b; --low:#94a3b8; --ok:#059669;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* layout */
.wrap{display:flex;min-height:100vh}
.sidebar{width:216px;background:#111827;color:#e5e7eb;flex-shrink:0;padding:18px 0;position:fixed;
  height:100vh;overflow-y:auto}
.sidebar .brand{padding:0 18px 16px;font-size:16px;font-weight:700;color:#fff;border-bottom:1px solid #1f2937}
.sidebar .brand small{display:block;font-size:11px;color:#9ca3af;font-weight:400;margin-top:4px}
.sidebar nav{padding:12px 0}
.sidebar nav a{display:block;padding:9px 18px;color:#cbd5e1;font-size:13.5px;border-left:3px solid transparent}
.sidebar nav a:hover{background:#1f2937;text-decoration:none;color:#fff}
.sidebar nav a.active{background:#1f2937;border-left-color:#60a5fa;color:#fff;font-weight:600}
.sidebar .sec{padding:14px 18px 6px;font-size:11px;color:#6b7280;letter-spacing:1px}
.main{flex:1;margin-left:216px;padding:20px 26px 60px;min-width:0}

.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px;flex-wrap:wrap}
.topbar h1{font-size:20px;font-weight:700}
.topbar .sub{color:var(--muted);font-size:12.5px;margin-top:2px}
.userbox{color:var(--muted);font-size:12.5px}
.userbox b{color:var(--text)}

/* components */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 18px;margin-bottom:16px}
.card h2{font-size:15px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.card h3{font-size:13.5px;font-weight:700;margin:14px 0 8px;color:#374151}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}

.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}
.stat .n{font-size:26px;font-weight:800;line-height:1.2}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:2px}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
th{background:#f9fafb;font-weight:600;color:#374151;white-space:nowrap}
tbody tr:hover{background:#fafbfc}
td.nowrap{white-space:nowrap}

.btn{display:inline-block;padding:6px 12px;border-radius:6px;border:1px solid var(--border);
  background:#fff;color:var(--text);font-size:13px;cursor:pointer;text-decoration:none;line-height:1.5}
.btn:hover{background:#f3f4f6;text-decoration:none}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:#1d4ed8}
.btn.danger{color:var(--high);border-color:#fecaca}
.btn.danger:hover{background:#fef2f2}
.btn.sm{padding:3px 8px;font-size:12px}
.btn-row{display:flex;gap:6px;flex-wrap:wrap}

input,select,textarea{width:100%;padding:7px 9px;border:1px solid var(--border);border-radius:6px;
  font-size:13px;font-family:inherit;background:#fff;color:var(--text)}
textarea{min-height:90px;resize:vertical;line-height:1.7}
label{font-size:12.5px;color:#374151;font-weight:600;display:block;margin-bottom:4px}
.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.form-row .f{flex:1;min-width:140px}
.form-row .f.wide{flex:2;min-width:240px}

.badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11.5px;background:#f3f4f6;
  color:#4b5563;border:1px solid var(--border);margin-right:4px;white-space:nowrap}
.badge.blue{background:var(--primary-soft);color:#1d4ed8;border-color:#bfdbfe}
.badge.red{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.badge.green{background:#ecfdf5;color:#047857;border-color:#a7f3d0}
.badge.amber{background:#fffbeb;color:#b45309;border-color:#fde68a}
.badge.gray{background:#f3f4f6;color:#6b7280}
.score{font-weight:700;font-size:13px}
.score.high{color:var(--high)} .score.mid{color:var(--mid)} .score.low{color:var(--low)}

.flash{padding:9px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}
.flash.ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.flash.warn{background:#fffbeb;color:#b45309;border:1px solid #fde68a}

.muted{color:var(--muted);font-size:12.5px}
.empty{padding:34px;text-align:center;color:var(--muted);font-size:13px}
.tabs{margin-bottom:14px;display:flex;gap:6px;flex-wrap:wrap}
.tabs a{padding:5px 12px;border-radius:6px;background:#fff;border:1px solid var(--border);font-size:13px}
.tabs a.active{background:var(--primary);border-color:var(--primary);color:#fff}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.filters .f{min-width:120px}
.filters .f.grow{flex:1;min-width:200px}

/* calendar */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--border);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden}
.cal .hd{background:#f9fafb;padding:7px;text-align:center;font-size:12px;font-weight:600;color:#4b5563}
.cal .day{background:#fff;min-height:96px;padding:6px 7px;font-size:12px}
.cal .day.out{background:#fbfbfc;color:#cbd5e1}
.cal .day .dnum{font-weight:600;color:#374151;margin-bottom:4px}
.cal .day.out .dnum{color:#cbd5e1}
.cal .day.today{background:#eff6ff}
.cal .ev{margin-bottom:4px;padding:3px 5px;border-radius:4px;font-size:11px;line-height:1.4;
  background:var(--primary-soft);border-left:3px solid var(--primary);display:block;overflow:hidden}
.cal .ev:hover{text-decoration:none;filter:brightness(0.97)}
.cal .ev.hot{background:#fef2f2;border-left-color:var(--high)}
.cal .ev.done{background:#ecfdf5;border-left-color:var(--ok)}

.mdview{white-space:pre-wrap;background:#fafafa;border:1px solid var(--border);border-radius:8px;
  padding:14px;font-size:13px;line-height:1.8;max-height:520px;overflow:auto;
  font-family:ui-monospace,Consolas,monospace}
.split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:1000px){.split{grid-template-columns:1fr}}
.copybar{display:flex;gap:8px;margin:10px 0;flex-wrap:wrap}
pre.plain{white-space:pre-wrap;word-break:break-all;margin:0}