.suggestion-box-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.suggestion-box-header {
    text-align: center;
    margin-bottom: 30px;
}

.suggestion-box-header h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.suggestion-box-header p {
    color: #7f8c8d;
}

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

.suggestion-box-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.suggestion-box-form input,
.suggestion-box-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.suggestion-box-form input:focus,
.suggestion-box-form textarea:focus {
    border-color: #3498db;
    outline: none;
}

.suggestion-submit-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    width: 100%;
}

.suggestion-submit-btn:hover {
    background: #2980b9;
}

.suggestion-response {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

.suggestion-response.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.suggestion-response.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}