/* style.css */
:root {
    --safe-color: #4CAF50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.sensor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.sensor-card {
    padding: 20px;
    border-radius: 8px;
    background: #f8f9fa;
    transition: transform 0.3s;
    position: relative;
}

.sensor-card.warning {
    background: #fff3e0;
    border-left: 5px solid var(--warning-color);
}

.sensor-card.danger {
    background: #ffebee;
    border-left: 5px solid var(--danger-color);
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    position: absolute;
    top: 15px;
    right: 15px;
}

.safe { background: var(--safe-color); }
.warning { background: var(--warning-color); }
.danger { background: var(--danger-color); }

.chart-container {
    height: 300px;
    margin-top: 30px;
}

/* 添加动画效果 */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}