* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background: linear-gradient(135deg, #e8f9f5 0%, #d4eae0 100%);
  color: #2c3e50;
  min-height: 100vh;
}

header {
  background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
  color: white;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
  margin: 0 0 5px 0;
  font-size: 2.5em;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

header p {
  margin: 5px 0 0 0;
  font-size: 1.1em;
  opacity: 0.95;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.score-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 15px 25px;
  border-radius: 30px;
  backdrop-filter: blur(10px);
}

.score-display {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3em;
  font-weight: bold;
}

.score-label {
  opacity: 0.9;
}

.score-value {
  font-size: 1.5em;
  color: #fff;
}

.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  padding: 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.controls, .status, .chart-section, .badges-section {
  background: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.controls:hover, .status:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.controls h2, .status h2, .badges-section h2 {
  margin-top: 0;
  color: #27ae60;
  font-size: 1.4em;
}

.chart-section h3 {
  color: #27ae60;
  margin-top: 0;
}

.controls label {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  font-weight: 500;
  gap: 10px;
}

.control-icon {
  font-size: 1.2em;
}

input[type="range"] {
  flex: 1;
  height: 8px;
  border-radius: 5px;
  background: linear-gradient(to right, #e74c3c, #f39c12, #27ae60);
  outline: none;
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  border: 3px solid #27ae60;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

input[type="range"] {
  appearance: none;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  border: 3px solid #27ae60;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.slider-value {
  font-weight: bold;
  color: #27ae60;
  min-width: 35px;
  text-align: right;
}

button {
  margin-top: 15px;
  padding: 12px 20px;
  width: 100%;
  border: none;
  color: white;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #229954 0%, #1e8449 100%);
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #2980b9 0%, #21618c 100%);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
  transform: translateY(-2px);
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 15px;
}

.status-item {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 10px;
  border-left: 4px solid #27ae60;
}

.status-label {
  display: block;
  font-size: 0.9em;
  color: #7f8c8d;
  margin-bottom: 5px;
}

.status-value {
  display: block;
  font-size: 1.5em;
  font-weight: bold;
  color: #2c3e50;
}

.status-value.temp {
  color: #e74c3c;
}

.status-value.emissions {
  color: #f39c12;
}

.status-value.health {
  color: #27ae60;
}

/* Badges Section */
.badges-section {
  grid-column: 1 / -1;
}

.badges-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
  margin-top: 15px;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-radius: 12px;
  background: #ecf0f1;
  border: 2px solid #bdc3c7;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  position: relative;
  opacity: 0.6;
}

.badge.unlocked {
  background: linear-gradient(135deg, #f1c40f 0%, #f39c12 100%);
  border-color: #e67e22;
  opacity: 1;
  box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3), inset 0 2px 5px rgba(255, 255, 255, 0.3);
  animation: badgeUnlock 0.6s ease-out;
}

@keyframes badgeUnlock {
  0% {
    transform: scale(0.5) rotate(-10deg);
    opacity: 0;
  }
  50% {
    transform: scale(1.1) rotate(5deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

.badge-icon {
  font-size: 2.5em;
  margin-bottom: 8px;
}

.badge-text {
  font-size: 0.85em;
  font-weight: bold;
  color: #2c3e50;
}

.badge.unlocked .badge-text {
  color: #fff;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.badge:hover {
  transform: translateY(-3px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Charts */
.charts-container {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

.chart-section {
  position: relative;
}

canvas {
  max-height: 300px;
}

footer {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, #d5f5e3 0%, #c7ecc1 100%);
  margin-top: 30px;
  color: #2c3e50;
  font-weight: 500;
  border-top: 3px solid #27ae60;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  header h1 {
    font-size: 1.8em;
  }

  .header-top {
    flex-direction: column;
  }

  .container {
    padding: 15px;
    gap: 15px;
  }

  .controls, .status, .chart-section, .badges-section {
    padding: 15px;
    border-radius: 10px;
  }

  .status-grid {
    grid-template-columns: 1fr;
  }

  .badges-container {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  .charts-container {
    gap: 15px;
  }
}