/* Mobile-specific styles */
@media screen and (max-width: 768px) {
    .container {
        width: 100%;
        margin: 10px auto;
        padding: 0 10px;
        height: calc(100vh - 20px); /* Account for smaller margins */
    }

    .controls {
        margin: 10px 0;
        padding: 10px;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    }

    .sensor-toggle {
        margin: 3px 5px;
        padding: 6px;
        font-size: 0.9em;
    }

    .time-controls {
        margin: 10px 0;
        padding: 10px;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .button-group {
        margin-right: 10px;
    }

    .button-group button {
        padding: 6px 12px;
        font-size: 0.9em;
    }

    .chart-container {
        margin-top: 10px;
        padding: 10px;
    }
}

/* Small mobile devices */
@media screen and (max-width: 480px) {
    .sensor-toggle {
        display: block;
        margin: 5px 0;
    }

    .button-group {
        display: block;
        margin: 5px 0;
    }

    .button-group button {
        margin: 2px;
    }

    .container {
        padding: 0 5px;
    }
}