:root{--bg:#0f1115;--panel:#171a21;--panel-2:#1e222b;--border:#2a2f3a;--text:#e7e9ee;--muted:#9aa3b2;--accent:#4f8cff;--accent-soft:rgba(79,140,255,0.14);--danger:#ff6b6b;--ok:#38c172}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:var(--panel);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:6px}.brand{font-weight:700;font-size:16px;letter-spacing:.2px;padding:6px 10px 16px;display:flex;align-items:center;gap:8px}.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);display:inline-block}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text);font-weight:500}.nav-link:hover{background:var(--panel-2);text-decoration:none}.nav-link.active{background:var(--accent-soft);color:#cfe0ff}.nav-spacer{flex:1 1}.nav-foot{border-top:1px solid var(--border);padding-top:12px;margin-top:8px;color:var(--muted);font-size:13px}.main{padding:32px 40px;max-width:1100px}.topbar{justify-content:space-between;margin-bottom:28px}.topbar,.user-chip{display:flex;align-items:center}.user-chip{gap:10px;color:var(--muted);font-size:14px}.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px}h1{font-size:26px;margin:0 0 6px}h2{font-size:18px;margin:28px 0 12px}.sub{color:var(--muted);margin:0 0 24px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px 22px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:16px;gap:16px}.stat{font-size:28px;font-weight:700}.stat-label{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.5px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--border);background:var(--panel-2);color:var(--muted)}.badge.role{background:var(--accent-soft);color:#cfe0ff;border-color:transparent;margin-right:4px}.badge.ok{color:var(--ok)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}tbody tr:hover{background:var(--panel-2)}.notice{border:1px solid;border-radius:10px;padding:14px 16px;font-size:14px;margin-bottom:20px}.notice.warn{border-color:rgba(255,107,107,.4);background:rgba(255,107,107,.08);color:#ffc9c9}.signin-wrap{min-height:100vh;display:grid;place-items:center}.signin-card{width:380px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:32px}.signin-card h1{font-size:22px}.btn,.signin-card .sub,.signin-card h1{text-align:center}.btn{display:block;width:100%;padding:11px 16px;border-radius:9px;border:1px solid var(--border);background:var(--accent);color:#fff;font-weight:600;font-size:15px;cursor:pointer}.btn:hover{filter:brightness(1.06);text-decoration:none}.btn.secondary{background:var(--panel-2);color:var(--text)}.field{margin-bottom:12px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.field input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px}.divider{text-align:center;color:var(--muted);font-size:12px;margin:20px 0;position:relative}.divider:after,.divider:before{content:"";position:absolute;top:50%;width:40%;height:1px;background:var(--border)}.divider:before{left:0}.divider:after{right:0}