* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    padding: 20px;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
#status {
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 4px;
    background: #1e1e1e;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.card {
    background: #1e1e1e;
    border: 1px solid #2d2d2d;
    border-radius: 8px;
    padding: 16px;
}
.card h3 {
    margin-bottom: 12px;
    color: #aaa;
    font-size: 1rem;
}
#chart-container {
    width: 100%;
    height: 400px;
}
.table-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #2d2d2d;
    border-radius: 4px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid #2d2d2d;
    font-size: 0.9rem;
}
th {
    background: #252525;
    position: sticky;
    top: 0;
    color: #888;
}
.amp-value { color: #ff9800; font-weight: bold; }