* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: rgb(204, 204, 204) e;
  min-height: 100vh;
  padding: 10px;
}
.container {
  max-width: 1600px;
  margin: 0 auto;
  background: white;
  border-radius: 20px;
  padding: 15px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
h1 {
  text-align: center;
  color: #333;
  margin-bottom: 10px;
  font-size: 2.5em;
}
.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 30px;
  font-size: 1.1em;
}
.location-info {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.location-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-align: center;
  margin: 10px;
}
.location-item strong {
  color: #555;
  font-size: 0.9em;
}
.location-item span {
  color: #333;
  font-weight: 500;
}
.location-item strong {
  display: block;
  color: #667eea;
  margin-bottom: 5px;
}

/* AQI Section - Separate and Prominent */
.aqi-section {
  margin-bottom: 40px;
}
.section-title {
  font-size: 1.8em;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid #4ab4ff;
}
.aqi-card {
  background: rgb(154, 154, 154);
  padding: 40px;
  border-radius: 20px;
  color: white;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s;
}

.aqi-label {
  font-size: 1.2em;
  opacity: 0.95;
  margin-bottom: 15px;
  font-weight: 500;
}
.aqi-value {
  font-size: 4em;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}
.aqi-description {
  margin-top: 15px;
  font-size: 1.1em;
  opacity: 0.9;
}

/* AI Suggestions Section */
.loading {
  margin-right: 10px;
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.ai-suggestions {
  margin-bottom: 40px;
}
.suggestion-box {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}
.suggestion-icon {
  font-size: 2.5em;
  margin-bottom: 15px;
}
.suggestion-text {
  justify-content: center;
  align-items: center;
  color: #333;
  font-size: 1.1em;
  line-height: 1.8;
}

/* Pollutants Section */
.pollutants-section {
  margin-bottom: 30px;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
@media (min-width: 1400px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.metric-card {
  background: linear-gradient(135deg, #4ab4ff 0%, #6af96c 100%);
  padding: 25px;
  border-radius: 15px;
  color: white;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
}
.metric-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}
.metric-label {
  font-size: 0.9em;
  opacity: 0.9;
  margin-bottom: 10px;
}
.metric-value {
  font-size: 2.5em;
  font-weight: bold;
}
.metric-unit {
  font-size: 0.5em;
  opacity: 0.8;
}

/* Tooltip */
.tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(0, 0, 0, 0.95);
  color: white;
  padding: 15px 20px;
  border-radius: 10px;
  font-size: 0.9em;
  line-height: 1.6;
  width: 280px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 1000;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}
.tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.95);
}
.metric-card:hover .tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}
.chart-section {
  margin-bottom: 30px;
}
.chart-title {
  font-size: 1.5em;
  color: #333;
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 4px solid #667eea;
}
.chart-container {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Charts Section */
.charts-section {
  margin-top: 40px;
}
.chart-section {
  margin-bottom: 40px;
}
.chart-title {
  font-size: 1.5em;
  color: #333;
  margin-bottom: 20px;
  padding-left: 10px;
  border-left: 4px solid #4ab4ff;
}

/* Pollutant Charts Grid */
.pollutant-charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 25px;
  margin-top: 20px;
}
@media (max-width: 768px) {
  .pollutant-charts-grid {
    grid-template-columns: 1fr;
  }
}
.pollutant-chart-item {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}
.pollutant-chart-label {
  font-size: 1.1em;
  color: #555;
  margin-bottom: 15px;
  font-weight: 600;
}
.pollutant-chart-item .chart-container {
  background: white;
  margin-top: 10px;
  padding: 15px;
  min-height: 250px;
}
.footer {
  width: 100%;
  border-radius: 10px;
  text-align: center;
  padding: 12px 0;
  margin-top: 40px;
  background: #f5f5f5;
  font-size: 14px;
  color: #333;
  border-top: 1px solid #ddd;
  font-family: Arial, sans-serif;
}
.footer a {
  color: #0077cc;
}