:root{--bg-page:#f5f6fa;--bg-card:#fff;--primary:#0081ff;--primary-dark:#06c;--text:#1f2329;--muted:#8a8a8a;--border:#e5e9f0;--success:#18a058;--warning:#f0a020;--danger:#d03050;--radius:10px;--shadow:0 1px 3px rgba(0,0,0,.06);--sidebar-w:220px}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-page);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.card-title{font-size:16px;font-weight:600;margin:0 0 16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px;transition:all .15s}.btn:hover{color:var(--primary)}.btn-primary,.btn:hover{border-color:var(--primary)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff}.btn-sm{padding:5px 10px;font-size:13px}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.input,.select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;color:var(--text)}.input:focus,.select:focus{outline:none;border-color:var(--primary)}.field{margin-bottom:14px}.field label{display:block;margin-bottom:6px;color:var(--muted);font-size:13px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.row>.field{flex:1 1;min-width:160px}.table{width:100%;border-collapse:collapse;font-size:13px}.table td,.table th{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:600;background:#fafbfc}.table tbody tr:hover{background:#f8faff}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}.badge-success{background:#e7f5ec;color:var(--success)}.badge-warning{background:#fdf3e1;color:var(--warning)}.badge-danger{background:#fce8ec;color:var(--danger)}.badge-muted{background:#eef0f4;color:var(--muted)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}.toolbar .spacer{flex:1 1}.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:14px}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:#0f1b2d;color:#cdd6e4;padding:18px 0;display:flex;flex-direction:column}.sidebar .brand{padding:0 20px 18px;font-size:17px;font-weight:700;color:#fff}.sidebar a{display:block;padding:11px 20px;color:#cdd6e4;text-decoration:none;font-size:14px;border-left:3px solid transparent}.sidebar a:hover{background:hsla(0,0%,100%,.06);color:#fff;text-decoration:none}.sidebar a.active{background:rgba(0,129,255,.16);color:#fff;border-left-color:var(--primary)}.sidebar .foot{margin-top:auto;padding:14px 20px;font-size:12px;color:#6b7891}.main{margin-left:var(--sidebar-w);min-height:100vh}.topbar{height:56px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:12px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .title{font-weight:600}.topbar .spacer{flex:1 1}.topbar .who{color:var(--muted);font-size:13px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0081ff,#06c)}.login-card{background:#fff;border-radius:14px;padding:36px;width:360px;box-shadow:0 10px 40px rgba(0,0,0,.2)}.login-card h1{font-size:20px;margin:0 0 4px}.login-card .sub{color:var(--muted);margin:0 0 24px;font-size:13px}.login-err{color:var(--danger);font-size:13px;margin-bottom:12px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-gap:16px;gap:16px}.stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat .num{font-size:26px;font-weight:700}.stat .lbl{color:var(--muted);font-size:13px;margin-top:4px}.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:24px;width:440px;max-width:92vw}.modal h3{margin:0 0 16px}.modal .actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.empty{text-align:center;padding:40px 0}.empty,.muted{color:var(--muted)}.nowrap{white-space:nowrap}