/* Container */
.container {
    max-width: 800px;
    margin: 40px auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

/* Header */
.header {
    background-color: #3498db;
    color: #fff;
    padding: 20px;
    text-align: center;
    border-radius: 8px 8px 0 0;
    margin: -20px -20px 20px -20px;
}

.header h1 {
    margin-bottom: 10px;
}

/* Form styles */
.form-group {
    margin-bottom: 5px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: rgb(113, 113, 113);
    font-size: 1.2vw;
}

input, textarea {
    width: 100%;
    padding: 1vw;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    font-size: 1.2vw;
}

textarea {
    resize: vertical;
    min-height: 5vw;
}

.required {
    color: #e74c3c;
}

.submit-btn {
    background-color: #206CAA;
    color: white;
    border: none;
    padding: 8px 16px;
    font-size: 1.3vw;
    border-radius: 4px;
    cursor: pointer;
    width: 50%;
}

.submit-btn:hover {
    background-color: #5794bc;
}

/* Message styles */
.success-message, .error-message {
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

.success-message {
    background-color: #e6f4ea;
    color: #2e7d32;
    border-left: 5px solid #2e7d32;
}

.error-message {
    background-color: #fbe3e4;
    color: #c0392b;
    border-left: 5px solid #e74c3c;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        margin: 20px;
        width: auto;
    }
}