body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #74ebd5 0%, #ACB6E5 100%);
  color: #333;
  margin: 0;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
}

.app-container {
  background: rgba(255, 255, 255, 0.85);
  padding: 30px 50px;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 350px;
}

h1 {
  margin-bottom: 20px;
  font-weight: 700;
}

.search-box {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

#city-input {
  flex-grow: 1;
  padding: 10px;
  border: 2px solid #74ebd5;
  border-radius: 25px;
  font-size: 16px;
  outline: none;
  transition: border-color 0.3s ease;
}

#city-input:focus {
  border-color: #1b8ad4;
}

#search-btn {
  background: #1b8ad4;
  border: none;
  color: white;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 25px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#search-btn:hover {
  background: #145a8a;
}

.weather-info {
  margin-top: 20px;
}

.temp {
  font-size: 48px;
  font-weight: 700;
  margin: 10px 0;
}

.description {
  font-size: 20px;
  font-style: italic;
  margin-bottom: 15px;
  text-transform: capitalize;
}

.details {
  font-size: 16px;
  display: flex;
  justify-content: space-around;
  margin-top: 10px;
}

.error-message {
  color: #d9534f;
  margin-top: 15px;
  font-weight: 600;
}