.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.sensor-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.sensor-value {
    font-size: 3rem;
    font-weight: bold;
    color: #b21f1f;
    margin: 15px 0;
}

.status-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.status-badge.online { background: #28a745; color: white; }
.status-badge.offline { background: #dc3545; color: white; }

.good { color: #28a745; font-weight: bold; }
.moderate { color: #fd7e14; font-weight: bold; }
.poor { color: #dc3545; font-weight: bold; }

.data-table {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin: 30px 0;
    overflow-x: auto;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.api-info {
    background: #1a1a2e;
    color: white;
    padding: 25px;
    border-radius: 15px;
    margin: 30px 0;
}

.api-info code {
    background: rgba(255,255,255,0.1);
    padding: 8px 12px;
    border-radius: 5px;
    display: inline-block;
    margin: 10px 0;
}

.demo-notice {
    background: #e8f4fd;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid #b21f1f;
}