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

body {
  font-family: Arial, sans-serif;
  background: #e0f7fa;
  color: #333;
  height: 100vh;
  transition: background 0.8s ease-in-out;
}

body.sunny {
  color: #2c3e50;
}

body.clear-night {
  color: #ecf0f1;
}

body.clear-night h1,
body.clear-night .unit-label {
  color: #ecf0f1;
}

body.cloudy {
  color: #2c3e50;
}

body.rainy, 
body.showers, 
body.showers-night,
body.thunderstorm {
  color: #ecf0f1;
}

body.rainy h1,
body.rainy .unit-label,
body.showers h1,
body.showers .unit-label,
body.showers-night h1,
body.showers-night .unit-label,
body.thunderstorm h1,
body.thunderstorm .unit-label {
  color: #ecf0f1;
}

body.stormy {
  color: #ecf0f1;
}

body.stormy h1,
body.stormy .unit-label {
  color: #ecf0f1;
}

body.snowy {
  color: #2c3e50;
}

body.foggy {
  color: #2c3e50;
}

h1 {
    padding: 50px;
    margin-bottom: 20px;
    text-align: center;
}

i {
  font-weight: 100;
}

#container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
  background: #ffffff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.visibility-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    left: -9999px;
    overflow: hidden;
}

input {
  padding: 10px;
  width: 200px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 10px 15px;
  margin: 10px;
  border: none;
  background: #00796b;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background: #004d40;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.switch {
  position: absolute;
  top: 20px;
  right: 80px;
  width: 45px;
  height: 24px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
}

.slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:checked + .slider:before {
  transform: translateX(21px);
}

.switch input:disabled + .slider {
  background-color: #eee;
  cursor: not-allowed;
  opacity: 0.6;
}

.switch input:disabled + .slider:before {
  background-color: #ccc;
}

.unit-label {
  position: absolute;
  top: 22px;
  right: 20px;
  font-size: 0.9em;
  color: #333;
}


#weather-results {
  margin-top: 20px;
  text-align: center;
  padding: 15px;
  border-radius: 8px;
}

.weather-result {
  background: rgba(255, 255, 255, 0.9);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  max-width: 400px;
  margin: 0 auto;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

body.clear-night .weather-result,
body.rainy .weather-result,
body.showers .weather-result,
body.showers-night .weather-result,
body.stormy .weather-result,
body.thunderstorm .weather-result {
  background: rgba(255, 255, 255, 0.95);
  color: #2c3e50;
}

.weather-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 15px;
  filter: invert(0.2) sepia(1) saturate(2) hue-rotate(170deg) brightness(0.8);
}

#weather-results p {
  margin: 8px 0;
  font-size: 1rem;
}

.error {
  color: red;
  margin-top: 10px;
}

.loading {
  color: #00796b;
  margin-top: 10px;
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 20px auto;
  padding: 20px;
}

.loading-container.hidden {
  display: none;
}

.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #00796b;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin-bottom: 10px;
}

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

.loading-container p {
  color: #00796b;
  font-weight: 500;
  margin: 0;
}

@media (max-width: 600px) {
  .container {
    width: 90%;
    padding: 15px;
  }
  input {
    width: 100%;
    margin-bottom: 10px;
  }
  button {
    width: 100%;
  }
}

.forecast-section {
  margin-top: 30px;
  text-align: center;
}

.forecast-section.hidden {
  display: none;
}

.forecast-section h2 {
  margin-bottom: 20px;
  font-size: 1.5em;
  opacity: 0.9;
}

#forecast-container {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 800px;
  margin: 0 auto;
}

.forecast-item {
  background: rgba(255, 255, 255, 0.85);
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 120px;
  text-align: center;
  transition: all 0.3s ease;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.forecast-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.forecast-day {
  margin-bottom: 10px;
}

.day-name {
  display: block;
  font-weight: bold;
  font-size: 1rem;
  color: #2c3e50;
}

.day-date {
  display: block;
  font-size: 0.8rem;
  color: #7f8c8d;
  margin-top: 2px;
}

.forecast-icon {
  width: 50px;
  height: 50px;
  margin: 10px 0;
  filter: invert(0.2) sepia(1) saturate(1.5) hue-rotate(170deg) brightness(0.9);
}

.forecast-temps {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
  gap: 10px;
}

.temp-high {
  font-weight: bold;
  color: #e74c3c;
  font-size: 1rem;
}

.temp-low {
  color: #3498db;
  font-size: 0.9rem;
}

.forecast-condition {
  font-size: 0.8rem;
  color: #7f8c8d;
  margin-top: 5px;
  line-height: 1.2;
}

body.clear-night .forecast-item,
body.rainy .forecast-item,
body.showers .forecast-item,
body.showers-night .forecast-item,
body.stormy .forecast-item,
body.thunderstorm .forecast-item {
  background: rgba(255, 255, 255, 0.95);
}

body.clear-night .forecast-section h2,
body.rainy .forecast-section h2,
body.showers .forecast-section h2,
body.showers-night .forecast-section h2,
body.stormy .forecast-section h2,
body.thunderstorm .forecast-section h2 {
  color: #ecf0f1;
}

@media (max-width: 600px) {
  #forecast-container {
    gap: 10px;
  }
  
  .forecast-item {
    min-width: 100px;
    padding: 12px;
  }
  
  .forecast-icon {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 400px) {
  h1 {
    font-size: 1.5em;
  }
  .weather-icon {
    width: 60px;
    height: 60px;
  }
  .weather-result {
    padding: 15px;
  }
  
  .forecast-item {
    min-width: 85px;
    padding: 10px;
  }
  
  .day-name {
    font-size: 0.9rem;
  }
  
  .temp-high, .temp-low {
    font-size: 0.85rem;
  }
}