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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    padding: 20px;
    transition: background 0.5s ease;
}

/* Backgrounds selon météo */
body.sunny {
    background: linear-gradient(135deg, #f5af19 0%, #f12711 100%);
}

body.clouds {
    background: linear-gradient(135deg, #757F9A 0%, #D7DDE8 100%);
}

body.rain {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
}

body.snow {
    background: linear-gradient(135deg, #e6e9f0 0%, #eef1f5 100%);
}

body.default, body.clear {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Animation d'icône météo */
.weather-icon {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

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

#cityInput {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

#searchBtn {
    padding: 12px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.2s;
}

#searchBtn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.favorites {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.favorites h3 {
    margin-bottom: 10px;
    font-size: 14px;
    color: #666;
}

#favoritesList {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.favorite-btn {
    background: white;
    border: 1px solid #ddd;
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.favorite-btn:hover {
    background: #667eea;
    color: white;
}

.weather-card {
    background: white;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.weather-temp {
    font-size: 48px;
    font-weight: bold;
    color: #667eea;
}

.weather-details {
    margin-top: 15px;
    color: #666;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

.error {
    color: #e74c3c;
    text-align: center;
    padding: 20px;
}