:root{--bg:#0f1419;--bg-elev:#171e26;--bg-soft:#1e2732;--line:#2a3542;--text:#e8eef5;--muted:#8b9aab;--accent:#3ecf8e;--accent-2:#2bb8ff;--danger:#ff6b6b;--warn:#ffb020;--radius:12px;--font:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(1200px 600px at 10% -10%,#1a3a2e 0,transparent 55%),radial-gradient(900px 500px at 100% 0,#163248 0,transparent 50%),var(--bg);color:var(--text);font-family:var(--font)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.side{border-right:1px solid var(--line);background:rgba(15,20,25,.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:24px 16px;display:flex;flex-direction:column;gap:8px}.brand{font-size:18px;font-weight:700;letter-spacing:.02em;margin:0 8px 18px}.brand small{font-size:12px;font-weight:500;margin-top:4px}.brand small,.nav a{display:block;color:var(--muted)}.nav a{padding:10px 12px;border-radius:8px}.nav a.active,.nav a:hover{background:var(--bg-soft);color:var(--text)}.main{padding:28px 32px 48px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:16px}h1{margin:0;font-size:24px;font-weight:700}.muted{color:var(--muted)}.card{background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.grid{display:grid;grid-gap:16px;gap:16px}.grid.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:28px;font-weight:700;margin-top:6px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}th{color:var(--muted);font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--bg-soft);border-radius:8px;padding:8px 14px;cursor:pointer}.btn:hover{border-color:#3d4d60}.btn.primary{background:linear-gradient(135deg,#2bb87a,#1f9b6a);border-color:transparent;color:#04140c;font-weight:600}.btn.danger{background:rgba(255,107,107,.15);border-color:rgba(255,107,107,.4);color:#ffb4b4}.btn.ghost{background:transparent}.field{display:grid;grid-gap:6px;gap:6px;margin-bottom:12px}.field label{font-size:13px;color:var(--muted)}.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;border:1px solid var(--line)}.badge.ok{color:var(--accent);border-color:rgba(62,207,142,.4)}.badge.warn{color:var(--warn);border-color:rgba(255,176,32,.4)}.badge.bad{color:var(--danger);border-color:rgba(255,107,107,.4)}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(400px,100%)}.login-card h1{margin-bottom:8px}.error{color:var(--danger);font-size:13px;margin:8px 0}@media (max-width:960px){.shell{grid-template-columns:1fr}.side{border-right:none;border-bottom:1px solid var(--line)}.grid.stats{grid-template-columns:1fr 1fr}}