:root{--bg: #f3f6fb;--card: #ffffff;--line: #e5eaf2;--text: #1f2a37;--muted: #6b7280;--accent: #2563eb;--danger: #dc2626;--font: "IBM Plex Sans", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;font-family:var(--font);color:var(--text);background:radial-gradient(circle at top left,#dbeafe,var(--bg) 45%)}a{color:var(--accent);text-decoration:none}input,button,textarea,select{font:inherit}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px;width:min(420px,100%);box-shadow:0 10px 30px #0f172a14}.card.wide{width:100%;margin-bottom:16px}.card h1{margin:0 0 8px;font-size:24px}.card p{margin:0 0 18px;color:var(--muted)}.field{margin-bottom:12px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.toolbar input,.toolbar select,table input,textarea,select{width:100%;height:40px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff}textarea{height:auto;padding:10px 12px}.btn{height:40px;border:0;border-radius:8px;background:var(--accent);color:#fff;padding:0 14px;cursor:pointer}.btn.danger{background:var(--danger)}.btn.ghost{background:#eef2ff;color:#1e3a8a}.btn:disabled{opacity:.5;cursor:not-allowed}.error{color:var(--danger);font-size:13px}.muted{color:var(--muted);font-size:13px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.side{background:#0f172a;color:#e2e8f0;padding:20px 14px}.side h2{margin:0 12px 4px;font-size:18px}.side-sub{margin:0 12px 18px;color:#64748b;font-size:12px}.side a{display:block;padding:10px 12px;border-radius:8px;margin-bottom:6px;color:#cbd5e1}.side a.active,.side a:hover{background:#1e293b;color:#fff}.main{padding:24px;overflow:auto}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px}.stats-9{grid-template-columns:repeat(3,minmax(0,1fr))}.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.stat strong{display:block;font-size:28px;margin-top:6px}.table-card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:auto;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}th{background:#f8fafc;color:var(--muted);font-weight:600}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:center}.toolbar input,.toolbar select{width:auto;min-width:160px}.pager{display:flex;gap:8px;margin:12px 0 20px}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}.grid-form{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}@media(max-width:1100px){.shell,.stats,.stats-9,.split,.grid-form{grid-template-columns:1fr}}