:root {
  --bg: #0f1115;
  --bg-card: #171a21;
  --border: #262a33;
  --text: #e6e8ec;
  --text-dim: #9aa0ab;
  --accent: #6c8cff;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* --- login --- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card h1 { margin: 0; font-size: 1.3rem; }
.subtitle { margin: -8px 0 8px; color: var(--text-dim); font-size: 0.85rem; }

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.login-card input {
  background: #0c0e12;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 0.95rem;
}

.login-card button {
  margin-top: 8px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  color: #0c0e12;
  font-weight: 600;
  cursor: pointer;
}

.erro { color: var(--danger); font-size: 0.85rem; margin: 0; }

/* --- dashboard --- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 1.1rem; margin: 0; }
.logout { color: var(--text-dim); text-decoration: none; font-size: 0.85rem; }
.logout:hover { color: var(--text); }

.tabs {
  display: flex;
  gap: 8px;
  padding: 16px 24px 0;
  flex-wrap: wrap;
}

.tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
}

.tab.active { border-color: var(--accent); color: var(--accent); }
.tab.disabled { color: var(--text-dim); cursor: not-allowed; opacity: 0.6; }
.badge { font-size: 0.7rem; color: var(--text-dim); }

main { padding: 8px 24px 40px; }

.filtro-data {
  display: flex;
  align-items: end;
  gap: 12px;
  padding: 16px 0 0;
  flex-wrap: wrap;
}

.filtro-data label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.filtro-data input[type="date"],
.filtro-data select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 0.85rem;
  color-scheme: dark;
}

.campo-personalizado.oculto { display: none; }

.filtro-data button {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 7px 16px;
  color: #0c0e12;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.atualizado { color: var(--text-dim); font-size: 0.8rem; margin-top: 10px; }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.card .valor { font-size: 1.4rem; font-weight: 700; }
.card .rotulo { color: var(--text-dim); font-size: 0.8rem; margin-top: 4px; }

.chart-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin: 16px 0;
}

.chart-box h2 { margin: 0 0 12px; font-size: 0.95rem; color: var(--text-dim); font-weight: 600; }

.chart-container { position: relative; height: 260px; width: 100%; }
.chart-container canvas { max-width: 100%; }

.sem-dados { color: var(--text-dim); font-size: 0.9rem; padding: 24px 0; }