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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    color: #00ff88;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid #00ff88;
    padding-bottom: 20px;
}

h1 {
    font-size: 2.5em;
    text-shadow: 0 0 10px #00ff88;
    margin-bottom: 10px;
}

.status {
    font-size: 1.2em;
    color: #00cc66;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: rgba(20, 30, 60, 0.7);
    border: 2px solid #00ff88;
    border-radius: 8px;
    padding: 20px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 255, 136, 0.1);
}

.card h2 {
    font-size: 1.3em;
    margin-bottom: 15px;
    color: #00ffff;
}

.metric {
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-spacer {
    margin-top: 15px;
}

.metric-label {
    color: #ffffff;
    font-weight: 500;
}

.metric-value {
    font-weight: bold;
    color: #00ff88;
    font-size: 1.1em;
}

.gauge {
    margin-top: 15px;
    height: 30px;
    background: rgba(0, 50, 50, 0.5);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid #00ff88;
}

.gauge-fill {
    height: 100%;
    background: linear-gradient(90deg, #00ff88, #00ffff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-weight: bold;
    font-size: 0.8em;
}

.chart-container {
    background: rgba(20, 30, 60, 0.7);
    border: 2px solid #00ff88;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
}

.chart-container h2 {
    color: #00ffff;
    margin-bottom: 15px;
}

.chart-wrapper {
    position: relative;
    height: 350px;
    width: 100%;
}

canvas {
    max-width: 100%;
    max-height: 100%;
}

.alerts {
    background: rgba(100, 30, 30, 0.7);
    border: 2px solid #ff4444;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.alerts h2 {
    color: #ff6666;
    margin-bottom: 10px;
}

.alert-item {
    margin: 10px 0;
    padding: 10px;
    background: rgba(150, 50, 50, 0.3);
    border-left: 4px solid #ff4444;
    border-radius: 4px;
    color: #ffffff;
}

.alert-time {
    color: #cccccc;
    font-size: 0.9em;
}

.controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

button {
    background: rgba(0, 255, 136, 0.1);
    border: 2px solid #00ff88;
    color: #00ff88;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}

button:hover {
    background: rgba(0, 255, 136, 0.2);
    box-shadow: 0 0 10px #00ff88;
}

button:active {
    background: rgba(0, 255, 136, 0.3);
}

.footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid #00ff88;
    color: #aaaaaa;
    font-size: 0.9em;
}

.footer p {
    color: #cccccc;
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.8em;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
    }
}

.online {
    color: #00ff88;
}

.offline {
    color: #ff4444;
}

.warning {
    color: #ffff00;
}

.info {
    color: #00ffff;
}