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

.card-hover {
    transition: transform 0.2s, box-shadow 0.2s;
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.temp-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
    }
    50% { 
        opacity: 0.7; 
    }
}

.sidebar-transition {
    transition: all 0.3s ease-in-out;
}

.chart-container {
    position: relative;
    height: 300px;
}