:root {
  --bg: #f8fbff;
  --card: rgba(255, 255, 255, 0.95);
  --card-border: rgba(7, 33, 64, 0.08);
  --text: #042a4e;
  --muted: #64748b;
  --accent: #0eb4ae;
  --accent-dark: #07324f;
  --accent-glow: rgba(14, 180, 174, 0.18);
  --c1: #205eaa;
  --c2: #13b7b1;
  --c3: #0f4d7a;
  --c4: #0b87a0;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  background-image: none;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.brand-logo {
  width: 56px;
  height: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  color: var(--accent-dark);
}

.brand-text strong {
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.brand-text span {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--card-border);
}

/* Tabs */
.tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  padding: 0 2rem;
  border-bottom: 1px solid var(--card-border);
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--accent-dark);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent-dark);
}

.subtitle {
  color: var(--accent-dark);
  margin-top: 0.25rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.filtros label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filtros select,
.filtros input {
  background: #ffffff;
  border: 1px solid rgba(7, 33, 64, 0.12);
  color: var(--accent-dark);
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.filtros select:focus,
.filtros input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

#btnAtualizar {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 8px 20px rgba(14, 180, 174, 0.18);
}

#btnAtualizar:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

main {
  padding: 2rem;
  max-width: 1600px;
  margin: 0 auto;
}

.kpi-card.destaque {
  background: linear-gradient(135deg, rgba(14, 180, 174, 0.1) 0%, #ffffff 100%);
  border-radius: 24px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(7, 33, 64, 0.08);
  box-shadow: 0 20px 40px rgba(7, 33, 64, 0.06);
}

.kpi-card.destaque::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
  filter: blur(40px);
}

.kpi-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  font-weight: 700;
}

.kpi-value {
  display: block;
  font-size: 4rem;
  font-weight: 900;
  margin: 0.5rem 0;
  letter-spacing: -0.04em;
  line-height: 1;
}

.kpi-meta {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 1.5rem;
}

.chart-card {
  background: #ffffff;
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 1.75rem;
  border: 1px solid rgba(7, 33, 64, 0.08);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.chart-card:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 180, 174, 0.2);
  box-shadow: 0 20px 40px rgba(14, 180, 174, 0.08);
}

.chart-card h2 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-card.cor-1 { border-left: 4px solid var(--c1); }
.chart-card.cor-2 { border-left: 4px solid var(--c2); }
.chart-card.cor-3 { border-left: 4px solid var(--c3); }
.chart-card.cor-4 { border-left: 4px solid var(--c4); }

.chart-card canvas {
  display: block;
  max-height: 300px;
  height: 300px;
}

@media (max-width: 768px) {
  .header { padding: 1.25rem 1rem; }
  main { padding: 1rem; }
  .kpi-value { font-size: 3rem; }
  .charts-grid { grid-template-columns: 1fr; }
}

/* Logout button */
.logout-btn {
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.logout-btn:hover {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.2);
  background: rgba(239, 68, 68, 0.05);
}


/* Botão Sync */
.sync-btn {
  background: var(--accent-dark) !important;
  color: white !important;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 8px 20px rgba(7, 33, 64, 0.12);
}

.sync-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.2);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(4, 42, 78, 0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  padding: 2.5rem;
  border-radius: 24px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-content h3 {
  margin-bottom: 0.5rem;
  color: var(--accent-dark);
}

.modal-content p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.modal-fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.modal-fields label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
}

.modal-fields input {
  padding: 0.8rem;
  border: 1px solid rgba(7, 33, 64, 0.12);
  border-radius: 12px;
  font-size: 1rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
}

.modal-actions button {
  flex: 1;
  padding: 0.8rem;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: var(--muted);
}

.btn-primary {
  background: var(--accent);
  border: none;
  color: white;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.sync-status {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  min-height: 1.2rem;
}

.sync-status.loading { color: var(--accent); }
.sync-status.success { color: #10b981; }
.sync-status.error { color: #ef4444; }