:root{--bg: #0e1116;--bg-elev: #161b22;--border: #2a3038;--fg: #e6edf3;--fg-dim: #8b949e;--accent: #2f81f7;--ok: #3fb950;--warn: #d29922;--crit: #f85149;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--fg);font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--bg-elev);border-right:1px solid var(--border);padding:16px 0}.sidebar h1{font-size:13px;color:var(--fg-dim);padding:0 16px 12px;margin:0;text-transform:uppercase;letter-spacing:1px}.sidebar nav a{display:block;padding:8px 16px;color:var(--fg);border-left:3px solid transparent}.sidebar nav a.active{background:#2f81f71a;border-left-color:var(--accent)}.main{padding:24px 32px;overflow-y:auto}.main h2{margin-top:0}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:8px;padding:16px}.card+.card{margin-top:16px}.card h3{margin:0 0 12px;font-size:13px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:1px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.kpi{background:var(--bg-elev);border:1px solid var(--border);border-radius:8px;padding:14px 16px}.kpi .label{font-size:11px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:1px}.kpi .value{font-family:var(--mono);font-size:22px;margin-top:6px}.kpi.ok .value{color:var(--ok)}.kpi.warn .value{color:var(--warn)}.kpi.crit .value{color:var(--crit)}table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--fg-dim);font-weight:500;text-transform:uppercase;font-size:10px;letter-spacing:1px}tr:hover td{background:#ffffff05}input,textarea,select,button{background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-family:inherit;font-size:13px}button{cursor:pointer}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:500}button.danger{background:var(--crit);border-color:var(--crit);color:#fff;font-weight:500}button.warn{background:var(--warn);border-color:var(--warn);color:#000;font-weight:500}button:disabled{opacity:.5;cursor:not-allowed}.row{display:flex;gap:12px;align-items:center}.row.gap-lg{gap:24px}.spacer{flex:1}.muted{color:var(--fg-dim)}.mono{font-family:var(--mono)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:500}.badge.ok{background:#3fb95026;color:var(--ok)}.badge.warn{background:#d2992226;color:var(--warn)}.badge.crit{background:#f8514926;color:var(--crit)}.badge.muted{background:#8b949e26;color:var(--fg-dim)}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:11px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:1px}.field input,.field textarea,.field select{width:100%}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.error{color:var(--crit)}.success{color:var(--ok)}.login-card{max-width:460px;margin:80px auto}.tabs{display:flex;gap:4px;margin:16px 0 12px;border-bottom:1px solid var(--border)}.tab{background:transparent;border:none;padding:8px 14px;color:var(--fg-dim);cursor:pointer;border-bottom:2px solid transparent;font-size:13px}.tab:hover{color:var(--fg)}.tab.active{color:var(--fg);border-bottom-color:var(--accent, #2f81f7)}.tab:disabled{opacity:.4;cursor:not-allowed}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:flex-start;justify-content:center;z-index:999;padding-top:60px}.modal{background:var(--bg-card, #161b22);border:1px solid var(--border);border-radius:8px;padding:20px 24px;min-width:520px;max-width:720px;max-height:80vh;overflow-y:auto}button.danger{background:#f8514926;color:var(--crit);border:1px solid rgba(248,81,73,.4)}button.danger:hover:not(:disabled){background:#f8514940}