:root{--bg: #f6f7f9;--card: #ffffff;--text: #1c2230;--muted: #6b7280;--border: #e4e7ec;--primary: #5b4bd6;--primary-text: #ffffff;--ok-bg: #e6f6ec;--ok-text: #167c3b;--off-bg: #fdeaea;--off-text: #b42318;--warn-bg: #fdf3e2;--warn-text: #a86b12;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100vh}.topbar{display:flex;align-items:center;gap:24px;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{font-weight:700;font-size:18px;color:var(--primary)}.nav{display:flex;gap:16px;flex:1}.nav a{text-decoration:none;color:var(--muted);padding:6px 4px;border-bottom:2px solid transparent}.nav a.active{color:var(--text);border-bottom-color:var(--primary)}.userbox{display:flex;align-items:center;gap:12px}.content{max-width:900px;margin:0 auto;padding:24px}.stack>*+*{margin-top:16px}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.card h3{margin-top:0}.center{min-height:70vh;display:flex;align-items:center;justify-content:center}.login-card{max-width:360px;text-align:center}.row{display:flex;align-items:center;gap:12px;margin-top:8px}.row.wrap{flex-wrap:wrap;align-items:flex-end}.field{display:flex;flex-direction:column;gap:4px;flex:1;min-width:180px}.field span{font-size:13px;color:var(--muted)}input[type=text],input[type=email],input[type=password],input[type=number],.field input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;color:var(--text)}.checkbox{display:flex;align-items:center;gap:8px}.btn{border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 16px;border-radius:8px;font-size:14px;cursor:pointer}.btn:hover{background:#f0f1f4}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}.btn.primary:hover{filter:brightness(1.05)}.btn.ghost{background:transparent}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.ok{background:var(--ok-bg);color:var(--ok-text)}.badge.off{background:var(--off-bg);color:var(--off-text)}.badge.warn{background:var(--warn-bg);color:var(--warn-text)}.muted{color:var(--muted)}.error{color:var(--off-text)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.table-wrap{overflow-x:auto;padding:0}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}.table th{color:var(--muted);font-weight:600;background:#fafbfc}