body
{
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f5f5f5;
}

h1
{
    margin-top: 0;
}

button
{
    padding: 6px 12px;
    cursor: pointer;
}

button.active-preset
{
    background-color: #0066cc;
    color: white;
    border: 1px solid #004499;
}

.container
{
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.controls
{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.date-range label
{
    margin-right: 5px;
}

.date-range input[type="date"]
{
    padding: 5px;
    margin-right: 10px;
}

.presets-group
{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 10px;
    border: 2px solid #cccccc;
    border-radius: 8px;
    background-color: #fafafa;
}

.presets-group button
{
    margin-right: 0;
}

.date-group
{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 2px solid #cccccc;
    border-radius: 8px;
    background-color: #fafafa;
}

.sensors-group
{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 2px solid #cccccc;
    border-radius: 8px;
    background-color: #fafafa;
    margin-top: 0;
}

.chart-container
{
    position: relative;
    width: 100%;
    height: calc(100vh - 200px);
    min-height: 400px; 
}

.nav
{
    margin-bottom: 20px;
}

.nav a
{
    text-decoration: none;
    color: #0066cc;
}

.form-section
{
    background: #f9f9f9;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.form-row
{
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.form-row label
{
    margin-right: 5px;
}

.form-row input[type="number"],
.form-row input[type="text"]
{
    padding: 6px;
    width: 100px;
}

.form-row input[type="text"]
{
    width: 200px;
}

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

.table-section th,
.table-section td
{
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.table-section th
{
    background-color: #f2f2f2;
}

.edit-btn, .delete-btn
{
    margin-right: 5px;
}

.delete-btn
{
    background-color: #e74c3c;
    color: white;
    border: none;
}

.edit-btn
{
    background-color: #2ecc71;
    color: white;
    border: none;
}

.sensor-toggles
{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.sensors-group .sensor-toggles
{
    margin-top: 0;
}

.range-label
{
    font-size: 1.1em;
    font-weight: bold;
    margin: 10px 0 5px 0;
    color: #333;
}