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

:root {
  --primary: #C62828;
  --primary-dark: #8E0000;
  --primary-light: #FF5F52;
  --dark: #1A1A1A;
  --dark-lighter: #2D2D2D;
  --bg: #F5F5F5;
  --card-bg: #FFFFFF;
  --text: #333333;
  --text-light: #757575;
  --border: #E0E0E0;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Header */
header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 24px 32px;
}

.header-content h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.subtitle {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  margin-top: 4px;
}

/* Tabs */
.tabs {
  display: flex;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  overflow-x: auto;
}

.tab {
  background: none;
  border: none;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab:hover {
  color: var(--primary);
}

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

/* Filters */
.filters {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: white;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-group label {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 500;
}

.filter-group input,
.filter-group select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: white;
}

.btn-filter {
  padding: 6px 16px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-filter:hover {
  background: var(--primary-dark);
}

/* Main */
main {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Loading */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  gap: 16px;
  color: var(--text-light);
}

.loading.hidden {
  display: none;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Tab content */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Scorecards */
.scorecards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.scorecard {
  padding: 20px;
  text-align: center;
}

.scorecard-label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.scorecard-value {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.scorecard-unit {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

/* Charts */
.charts-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  padding: 20px;
}

.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.chart-wide {
  margin-bottom: 24px;
}

/* Tables */
.table-card {
  padding: 20px;
  margin-bottom: 24px;
}

.table-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: var(--bg);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

tbody tr:hover {
  background: rgba(198, 40, 40, 0.03);
}

/* Ranking */
.rank-position {
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  width: 40px;
}

.rank-pedidos {
  font-weight: 700;
  font-size: 14px;
}

/* Footer */
footer {
  text-align: center;
  padding: 24px;
  color: var(--text-light);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    padding: 16px;
  }

  .header-content h1 {
    font-size: 18px;
  }

  .tabs {
    padding: 0 8px;
  }

  .tab {
    padding: 12px 14px;
    font-size: 13px;
  }

  .filters {
    padding: 8px 16px;
    gap: 8px;
  }

  main {
    padding: 16px;
  }

  .scorecards {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .scorecard {
    padding: 14px;
  }

  .scorecard-value {
    font-size: 24px;
  }

  .charts-row {
    grid-template-columns: 1fr;
  }
}