:root {
  --bg-color: #f0f4f8;
  --panel-bg: rgba(255, 255, 255, 0.7);
  --panel-solid: #ffffff;
  --panel-border: rgba(255, 255, 255, 1);
  --panel-stroke: #e2e8f0;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --accent-color: #2563eb;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --shadow-drop: 0 10px 25px rgba(0, 0, 0, 0.05);
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  background-image: radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 40%),
                    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.08), transparent 40%);
  background-attachment: fixed;
  padding-bottom: 3rem;
}

main {
  max-width: 1400px; 
  margin: 0 auto; 
  padding: 2rem;
  display: flex; 
  flex-direction: column; 
  gap: 2rem;
}

.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-drop);
  border-radius: 16px;
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-panel:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 400;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Data Table */
table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--panel-stroke);
}

td {
  padding: 16px;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--panel-stroke);
  color: var(--text-main);
  transition: background 0.15s;
}

tr:hover td {
  background: rgba(0, 0, 0, 0.015);
}

.badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.frota { background: rgba(37, 99, 235, 0.1); color: var(--accent-color); }
.badge.rh { background: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.badge.operacional { background: rgba(245, 158, 11, 0.1); color: #d97706; }
.badge.alto-risco { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }

/* Helpers for layout */
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.kpi-icon {
  padding: 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-val {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
}

.kpi-label {
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

.table-container {
  overflow-x: auto;
  max-height: 500px;
  overflow-y: auto;
}

.sticky-head {
  position: sticky;
  top: 0;
  background: var(--panel-bg);
  backdrop-filter: blur(10px);
  z-index: 1;
}

.loading-container {
  text-align: center;
  padding: 100px 0;
  margin-top: 10vh;
}

.loading-text {
  font-size: 1.5rem;
  color: var(--accent-color);
  font-weight: 600;
}

/* Nav Menu */
.nav {
  display: flex;
  gap: 1rem;
  background: var(--panel-bg);
  padding: 8px;
  border-radius: 9999px;
  border: 1px solid var(--panel-stroke);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 10px 20px;
  border-radius: 9999px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-item:hover {
  background: rgba(0, 0, 0, 0.03);
  color: var(--text-main);
}

.nav-item.active {
  background: var(--panel-solid);
  color: var(--accent-color);
  box-shadow: var(--shadow-sm);
}

/* Tabela Expansível (Accordion) */
.row-pointer {
  cursor: pointer;
  transition: background 0.2s ease;
}
.row-pointer:hover {
  background: rgba(37, 99, 235, 0.04) !important;
}
.details-row {
  display: none;
  background: rgba(248, 250, 252, 0.6);
}
.details-row.open {
  display: table-row;
  animation: fadeIn 0.3s ease;
}
.details-box {
  padding: 16px 32px;
  border-left: 4px solid var(--accent-color);
}
.details-box table {
  width: 100%;
  margin-top: 8px;
}
.details-box th, .details-box td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  font-size: 0.85rem;
}
.details-box th {
  border-bottom: 2px solid rgba(0,0,0,0.1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}