* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0d12;
  --bg2: #10151d;
  --card: #131923;
  --border: rgba(255,255,255,0.08);
  --text: #e4e9f0;
  --muted: #7c8797;
  --accent: #3ba7ff;
  --accent-dim: rgba(59,167,255,0.14);
  --up: #2ecc71;
  --up-dim: rgba(46,204,113,0.14);
  --down: #f0546b;
  --down-dim: rgba(240,84,107,0.14);
  --warn: #e0a83e;
}
html, body { height: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
}
a { color: inherit; text-decoration: none; }
.mono { font-family: 'JetBrains Mono', 'Consolas', monospace; font-variant-numeric: tabular-nums; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0; background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 20px 0;
}
.sidebar .brand { padding: 0 20px 20px; font-weight: 800; font-size: 16px; letter-spacing: -0.01em; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.sidebar .brand span { color: var(--accent); }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; padding: 0 10px; }
.sidebar nav a {
  padding: 9px 12px; border-radius: 6px; font-size: 13px; color: var(--muted); font-weight: 500;
  display: flex; align-items: center; gap: 10px;
}
.sidebar nav a:hover { background: var(--card); color: var(--text); }
.sidebar nav a.ativo { background: var(--accent-dim); color: var(--accent); }
.sidebar .rodape { margin-top: auto; padding: 12px 20px 0; border-top: 1px solid var(--border); }
.sidebar .rodape form button { background: none; border: none; color: var(--muted); font-size: 12.5px; cursor: pointer; padding: 8px 0; }
.sidebar .rodape form button:hover { color: var(--text); }

.main { flex: 1; min-width: 0; padding: 24px 28px; }
.topo-pagina { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; flex-wrap: wrap; gap: 10px; }
.topo-pagina h1 { font-size: 19px; font-weight: 700; }
.topo-pagina .sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); }

.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 700; }
.stat-value.up { color: var(--up); }
.stat-value.down { color: var(--down); }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; }
.badge.online { background: var(--up-dim); color: var(--up); }
.badge.online .badge-dot { background: var(--up); }
.badge.aguardando { background: rgba(224,168,62,0.14); color: var(--warn); }
.badge.aguardando .badge-dot { background: var(--warn); }
.badge.parado { background: rgba(124,135,151,0.14); color: var(--muted); }
.badge.parado .badge-dot { background: var(--muted); }
.badge.erro { background: var(--down-dim); color: var(--down); }
.badge.erro .badge-dot { background: var(--down); }

table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th { text-align: left; color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.04em; padding: 8px 10px; border-bottom: 1px solid var(--border); }
td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }

select, input[type="text"], input[type="password"] {
  background: var(--bg2); border: 1px solid var(--border); color: var(--text); border-radius: 6px;
  padding: 8px 10px; font-size: 13px; font-family: inherit;
}
.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #06121f; font-weight: 700; font-size: 13px; padding: 9px 16px; border-radius: 7px; border: none; cursor: pointer; }
.btn:hover { opacity: 0.9; }
.btn.secundario { background: var(--card); color: var(--text); border: 1px solid var(--border); }

.painel-lateral { display: flex; flex-direction: column; gap: 10px; }
.painel-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; background: var(--bg2); border-radius: 7px; border: 1px solid var(--border); }
.painel-item .rotulo { font-size: 11.5px; color: var(--muted); }
.painel-item .valor { font-size: 13px; font-weight: 700; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-card { width: 340px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 32px 28px; }
.login-card h1 { font-size: 18px; margin-bottom: 4px; }
.login-card .sub { font-size: 12.5px; color: var(--muted); margin-bottom: 22px; }
.login-card label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; margin-top: 14px; }
.login-card input { width: 100%; }
.login-card button { width: 100%; margin-top: 22px; justify-content: center; }
.login-erro { background: var(--down-dim); color: var(--down); font-size: 12.5px; padding: 10px 12px; border-radius: 7px; margin-top: 16px; }

.aviso-mvp { background: rgba(224,168,62,0.1); border: 1px solid rgba(224,168,62,0.3); color: var(--warn); font-size: 12px; padding: 10px 14px; border-radius: 8px; margin-bottom: 18px; }

@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding: 10px; align-items: center; }
  .sidebar .brand { display: none; }
  .sidebar nav { flex-direction: row; padding: 0; }
  .sidebar .rodape { display: none; }
  .main { padding: 16px; }
}