/* Reset some default styles */
body, h1, h2, h3, p, table {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #007BFF;
}

h2 {
    margin-bottom: 10px;
    color: #0056b3;
}

h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: #333;
}

.form-section {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-section input,
.form-section textarea,
.form-section select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.form-section button {
    background: #007BFF;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.form-section button:hover {
    background: #0056b3;
}

.table-container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background: #007BFF;
    color: #fff;
}

tr:nth-child(even) {
    background: #f2f2f2;
}

button.mark-received {
    background: #28a745;
    color: #fff;
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button.mark-received:hover {
    background: #218838;
}

button.remove-item {
    background: #dc3545;
    color: #fff;
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button.remove-item:hover {
    background: #c82333;
}

button[disabled] {
    background: #6c757d;
    cursor: not-allowed;
}