body {
    background: #0f0f0f;
    color: #e9e9e9;
    margin: 0;
    font-family: Arial, sans-serif;
}

header {
    text-align: center;
    padding: 20px;
    background: linear-gradient(to right, #0033ff, #00aaff);
    box-shadow: 0 3px 10px rgba(0,0,0,0.5);
}

.card {
    background: #1a1a1a;
    border-radius: 14px;
    padding: 20px;
    margin: 15px;
    text-align: center;
    box-shadow: 0 0 15px rgba(0,0,0,0.6);
}

#status-card.ok { background: #005f1a; }
#status-card.warn { background: #8a5200; }
#status-card.crit { background: #8a0000; }

.container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.donut-chart {
    position: relative;
    width: 200px;
    height: 200px;
}

circle.bg {
    fill: none;
    stroke: #333;
    stroke-width: 20;
}

circle.value {
    fill: none;
    stroke: #00d4ff;
    stroke-width: 20;
    stroke-dasharray: 502;
    stroke-dashoffset: 502;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset .5s;
}

.donut-text {
    position: absolute;
    top: 74px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 32px;
    font-weight: bold;
}

.gauge-frame {
    width: 100%;
    height: 180px;
    border: none;
}