:root {
  --bg: #0a0a0a;
  --card: #111111;
  --card2: #1a1a1a;
  --amber: #f0a500;
  --amber-dim: rgba(240,165,0,0.15);
  --text: #ffffff;
  --text-dim: #aaaaaa;
  --border: #2a2a2a;
  --green: #2ea04c;
  --orange: #ff8c00;
  --red: #dc3232;
  --blue: #4a9eff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
}

/* ── Navbar ── */
.navbar {
  background: #111;
  border-bottom: 2px solid var(--amber);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-brand {
  color: var(--amber);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.navbar-links { display: flex; gap: 4px; }
.navbar-links a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: color .2s, background .2s;
}
.navbar-links a:hover { color: var(--amber); background: var(--amber-dim); }
.navbar-links a.ativo { color: var(--amber); }
.navbar-right { display: flex; align-items: center; gap: 16px; }
.navbar-user { color: var(--text-dim); font-size: 0.85rem; }
.relogio {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
}

/* ── Info row ── */
.info-row {
  padding: 14px 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.badge-info {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ── KPI Cards ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 0 24px 20px;
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
}
.kpi-card:hover { border-color: #555; }
.kpi-card.selecionado { border-color: var(--amber); box-shadow: 0 0 12px rgba(240,165,0,0.3); }
.kpi-card .valor { font-size: 2.2rem; font-weight: 700; line-height: 1; }
.kpi-card .label { font-size: 0.78rem; color: var(--text-dim); margin-top: 6px; }
.kpi-card.total .valor { color: var(--amber); }
.kpi-card.verde .valor { color: var(--green); }
.kpi-card.laranja .valor { color: var(--orange); }
.kpi-card.vermelho .valor { color: var(--red); }

/* ── Tabela ── */
.tabela-container { padding: 0 24px 24px; }
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 2px solid var(--amber); }
th {
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
tbody tr { cursor: pointer; transition: background .15s; }
tbody tr.status-ok:hover { background: rgba(240,165,0,0.04); }
tbody tr.status-atencao { background: rgba(255,140,0,0.06); }
tbody tr.status-atencao:hover { background: rgba(255,140,0,0.11); }
tbody tr.status-critico { background: rgba(220,50,50,0.08); }
tbody tr.status-critico:hover { background: rgba(220,50,50,0.14); }

/* Linha selecionada na tabela */
tbody tr.linha-selecionada td { border-left: 3px solid #f0a500; }

/* Barra de burst */
.burst-bar-wrap { height: 4px; background: #222; border-radius: 2px; margin-top: 5px; overflow: hidden; }
.burst-bar { height: 4px; border-radius: 2px; transition: width 0.4s ease; }
.burst-bar.verde { background: var(--green); }
.burst-bar.laranja { background: var(--orange); }
.burst-bar.vermelho { background: var(--red); }

/* Badges de status */
.badge { padding: 3px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.badge-ok { background: rgba(46,160,76,0.15); color: var(--green); border: 1px solid var(--green); }
.badge-atencao { background: rgba(255,140,0,0.15); color: var(--orange); border: 1px solid var(--orange); }
.badge-critico {
  background: rgba(220,50,50,0.15);
  color: var(--red);
  border: 1px solid var(--red);
  animation: pulse-red 1.5s infinite;
}
@keyframes pulse-red { 0%,100%{opacity:1} 50%{opacity:0.45} }

/* ── Seção gráfico ── */
#secao-grafico {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 0 24px 24px;
  padding: 20px 24px;
}
.grafico-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}
.grafico-titulo { color: var(--amber); font-size: 1rem; font-weight: 600; }
.periodo-btns { display: flex; gap: 4px; }
.periodo-btns button {
  background: var(--card2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 5px 13px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: all .2s;
}
.periodo-btns button.ativo,
.periodo-btns button:hover {
  background: var(--amber-dim);
  color: var(--amber);
  border-color: var(--amber);
}
.btn-fechar-grafico {
  background: transparent;
  border: 1px solid #444;
  color: var(--text-dim);
  padding: 5px 13px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: border-color .2s, color .2s;
}
.btn-fechar-grafico:hover { border-color: var(--red); color: var(--red); }

/* ── Login ── */
.login-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(to bottom, #000000, #111111);
}
.login-card {
  background: #111;
  border-radius: 14px;
  box-shadow: 0 0 40px rgba(240,165,0,0.25);
  padding: 44px 36px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}
.login-card img { width: 110px; margin-bottom: 22px; }
.login-card h2 { font-size: 1.15rem; color: var(--amber); margin-bottom: 26px; }
.login-card input {
  width: 100%;
  padding: 12px 14px;
  margin: 6px 0;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #1a1a1a;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color .2s;
}
.login-card input:focus { border-color: var(--amber); }
.btn-primary-login {
  width: 100%;
  padding: 13px;
  margin-top: 16px;
  background: var(--amber);
  color: #000;
  border: none;
  border-radius: 7px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background .2s;
}
.btn-primary-login:hover { background: #ffbb33; }
.error-msg { color: var(--red); font-size: 0.82rem; margin-top: 10px; min-height: 18px; }
.login-footer { margin-top: 26px; font-size: 0.75rem; color: #555; }
.login-footer a { color: var(--amber); text-decoration: none; }

/* ── Admin / pages ── */
.page-title { font-size: 1.3rem; font-weight: 700; color: var(--amber); padding: 20px 24px 8px; }
.card {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  margin: 0 24px 22px;
}
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-title { font-size: 0.95rem; font-weight: 600; color: var(--amber); }
.btn-primary {
  background: var(--amber);
  color: #000;
  border: none;
  padding: 9px 20px;
  border-radius: 7px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background .2s;
}
.btn-primary:hover { background: #e09400; }
.btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color .2s;
}
.btn-secondary:hover { border-color: #555; }
.btn-danger {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}
.btn-edit {
  background: transparent;
  border: 1px solid #555;
  color: var(--text-dim);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}

/* Tabs */
.tabs { display: flex; padding: 0 24px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  padding: 10px 20px;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color .2s, border-color .2s;
}
.tab-btn.ativo { color: var(--amber); border-bottom-color: var(--amber); }

/* Form */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; color: var(--text-dim); font-size: 0.82rem; margin-bottom: 5px; }
.form-group input, .form-group select {
  width: 100%;
  background: #0f0f0f;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 7px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--amber); }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 200;
  justify-content: center;
  align-items: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card2);
  border: 1px solid #333;
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 8px 60px rgba(0,0,0,0.7);
}
.modal h3 { color: var(--amber); font-size: 1rem; margin-bottom: 20px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* Alertas */
.alerta-item {
  background: rgba(220,50,50,0.07);
  border: 1px solid rgba(220,50,50,0.25);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.alerta-item.resolvido {
  background: rgba(255,255,255,0.02);
  border-color: var(--border);
  opacity: 0.6;
}
.alerta-info .tipo { font-size: 0.9rem; font-weight: 600; color: var(--red); }
.alerta-info .detalhe { font-size: 0.82rem; color: var(--text-dim); margin-top: 3px; }
.alerta-info .momento { font-size: 0.75rem; color: #555; margin-top: 4px; }

/* Footer */
.page-footer {
  text-align: center;
  padding: 22px;
  color: #444;
  font-size: 0.78rem;
  border-top: 1px solid #161616;
  margin-top: 10px;
}
.page-footer a { color: #555; text-decoration: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }

/* Responsive */
@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi-card .valor { font-size: 1.6rem; }
  .navbar-links a { padding: 6px 8px; font-size: 0.82rem; }
  .relogio { font-size: 1rem; }
  .tabela-container { padding: 0 12px 16px; }
  .card { margin: 0 12px 16px; }
  #secao-grafico { margin: 0 12px 16px; }
}