/* Gráficos Semanais Styling */

.charts-hero {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  color: white;
  padding: 4rem 2rem 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto;
}

.charts-intro {
  max-width: 800px;
  margin: 0 auto 3rem;
  padding: 0 2rem;
  text-align: center;
}

.intro-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #5a6c7d;
}

/* Charts Container */
.charts-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

.charts-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-bottom: 3rem;
}

/* Individual Chart Card */
.chart-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid #e1e8ed;
}

.chart-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.chart-image {
  position: relative;
  width: 100%;
  min-height: 300px;
  background: #f8f9fa;
}

.chart-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.chart-card:hover .chart-image img {
  transform: scale(1.02);
}

.chart-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.chart-category {
  background: rgba(52, 152, 219, 0.9);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-content {
  padding: 2rem;
}

.chart-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.chart-description {
  font-size: 1rem;
  line-height: 1.6;
  color: #5a6c7d;
  margin-bottom: 1.5rem;
}

.chart-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-date {
  font-size: 0.9rem;
  color: #7f8c8d;
  font-weight: 500;
}

.chart-actions {
  display: flex;
  gap: 0.5rem;
}

.share-btn, .expand-btn {
  background: #f8f9fa;
  border: 1px solid #e1e8ed;
  padding: 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  color: #5a6c7d;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.share-btn:hover, .expand-btn:hover {
  background: #3498db;
  border-color: #3498db;
  color: white;
}

/* Loading Indicator */
.loading-indicator {
  display: none;
  text-align: center;
  padding: 2rem;
  color: #7f8c8d;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e1e8ed;
  border-top: 3px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .charts-grid {
    gap: 2rem;
  }
  
  .chart-content {
    padding: 1.5rem;
  }
  
  .chart-title {
    font-size: 1.25rem;
  }
  
  .chart-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* Chart Categories Color Coding */
.chart-category {
  background: rgba(52, 152, 219, 0.9); /* Default blue */
}

/* Housing / Habitação */
.chart-card[data-category="Housing"] .chart-category,
.chart-card[data-category="habitacao"] .chart-category {
  background: rgba(231, 76, 60, 0.9);
}

/* Public Finance / Finanças Públicas */
.chart-card[data-category="Public Finance"] .chart-category,
.chart-card[data-category="financas-publicas"] .chart-category {
  background: rgba(155, 89, 182, 0.9);
}

/* Transportation / Transporte */
.chart-card[data-category="Transportation"] .chart-category,
.chart-card[data-category="transporte"] .chart-category {
  background: rgba(26, 188, 156, 0.9);
}

/* Economics / Economia */
.chart-card[data-category="Economics"] .chart-category,
.chart-card[data-category="economia"] .chart-category {
  background: rgba(243, 156, 18, 0.9);
}

/* Education / Educação */
.chart-card[data-category="Education"] .chart-category,
.chart-card[data-category="educacao"] .chart-category {
  background: rgba(52, 73, 94, 0.9);
}

/* Enhanced hover effects */
.chart-card {
  cursor: pointer;
}

.chart-card:hover .chart-category {
  transform: scale(1.05);
  transition: transform 0.3s ease;
}

/* Smooth loading animation */
.chart-card {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}