body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 40px;
    color: #3498db;
    /* Primary color */
}

h2,
.section-title {
    color: #444;
}

h1,
h2 {
    font-size: 1.6em;
}

.section {
    margin-bottom: 40px;
}

.section-title {
    border-bottom: 2px solid #ddd;
    padding-bottom: 5px;
    margin-bottom: 20px;
}

.section-content {
    padding-left: 10px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background-color: #fafafa;
}

table th,
table td {
    border: 1px solid #ddd;
    padding: 15px;
    text-align: center;
}

table th {
    background-color: #3498db;
    /* Primary color */
    color: #fff;
    font-weight: bold;
    font-size: 16px;
}

table tr:nth-child(even) {
    background-color: #f4f4f4;
}

ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 10px;
}

.btn {
    padding: 12px 20px;
    background-color: #2ecc71;
    /* Secondary color */
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #27ae60;
}

.delete-btn {
    background-color: #e74c3c;
    /* Tertiary color */
    border-radius: 5px;
    color: white;
    transition: background-color 0.3s ease;
}

.delete-btn:hover {
    background-color: #c0392b;
}

.measurement-form {
    display: none;
    margin-top: 30px;
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.measurement-form h3 {
    margin-bottom: 20px;
    color: #3498db;
    /* Primary color */
}

input {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 100%;
    box-sizing: border-box;
    font-size: 14px;
}

input:focus {
    outline: none;
    border-color: #3498db;
    /* Primary color */
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
}

.actions {
    margin-bottom: 20px;
}

.link {
    display: inline-block;
    padding: 15px 25px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    text-align: center;
}

.link:hover {
    background-color: #2980b9;
}

/* Media Query for mobile responsiveness */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    table th,
    table td {
        font-size: 14px;
        padding: 10px;
    }

    h1,
    h2 {
        font-size: 1.4em;
    }

    .section-title {
        font-size: 1.3em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 5px;
    }

    .container {
        padding: 5px;
    }

    table th,
    table td {
        font-size: 12px;
        padding: 8px;
    }

    h1 {
        font-size: 1.2em;
    }

    .section-title {
        font-size: 1.2em;
    }
}