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

body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    padding: 2vh;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2vh;
}

.row {
    display: flex;
    gap: 2%;
    width: 100%;
    margin-bottom: 2vh;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 2vh 2vw;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
    color: #333;
    margin-bottom: 2vh;
    font-size: 1.2em;
    text-align: center;
}

/* First Row Styles */
.row:first-child {
    height: 35vh;
}

.energy-card {
    width: 25%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.energy-value {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: bold;
    color: #2196F3;
    text-align: center;
}

.chart-card {
    width: 73%;
    position: relative;
}

/* Second Row Styles */
.row:nth-child(2) {
    height: 35vh;
}

.gauge-card {
    width: 48%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pgauge-card {
    width: 98%;
    display: flex;
    flex-direction: column;
    align-items: center;
} 

.pgauge-value {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: bold;
    margin-top: 1vh;
    color: #333;
}
.gauge-value {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: bold;
    margin-top: 1vh;
    color: #333;
}

/* Third Row Styles */
.row:last-child {
    height: 20vh;
}

.pf-card {
    width: 100%;
}

.unit {
    font-size: 0.8em;
    margin-left: 0.5em;
    color: #666;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .row {
        flex-direction: column;
        gap: 2vh;
    }

    .energy-card,
    .chart-card,
    .gauge-card {
        width: 100%;
    }

    .row:first-child {
        height: auto;
    }

    .energy-card {
        padding: 4vh 2vw;
    }

    .chart-card {
        height: 40vh;
    }

    .row:nth-child(2) {
        height: auto;
    }

    .gauge-card {
        height: 30vh;
    }

    .row:last-child {
        height: 25vh;
    }
}

/* Dark Theme Support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
    }

    .card {
        background: #2d2d2d;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    h2 {
        color: #e0e0e0;
    }

    .gauge-value {
        color: #e0e0e0;
    }

    .unit {
        color: #999;
    }
}