/* css/site.css */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 2px solid #007bff;
    margin-bottom: 30px;
}

header h1 {
    color: #007bff;
    margin-bottom: 10px;
}

textarea {
    width: 100%;
    rows: 30;
}

main {
    flex: 1;
}

.form-section {
    background-color: #f8f9fa;
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.form-section h2 {
    color: #007bff;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e9ecef;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.checkbox-container:hover {
    background-color: #e9f7fe;
}

.checkbox-container input[type="checkbox"] {
    margin-top: 3px;
    margin-right: 10px;
   /*  width: 18px;
    height: 18px;*/
    cursor: pointer;
}

.checkmark {
    position: relative;
    top: 0;
    left: 0;
    /*height: 18px;
    width: 18px;*/
    background-color: #eee;
    border: 1px solid #ccc;
    border-radius: 3px;
    display: inline-block;
    vertical-align: middle;
    transition: all 0.2s;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background-color: #007bff;
    border-color: #007bff;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #495057;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.25);
}

.form-actions {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #e9ecef;
    margin-top: 20px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 18px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
    font-weight: 600;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
    border-top: 1px solid #e9ecef;
    color: #6c757d;
    font-size: 14px;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
        margin: 10px;
    }
    
    .form-section {
        padding: 15px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 24px;
    }
    
    button {
        width: 100%;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .form-group input,
    .form-group textarea {
        padding: 8px;
        font-size: 16px;
    }
    
    .checkbox-container {
        padding: 6px;
    }
    
    .checkbox-container input[type="checkbox"] {
        width: 16px;
        height: 16px;
    }
    
    .checkmark {
        height: 16px;
        width: 16px;
    }
}