body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: #eef2f7;
    color: #333;
}

header {
    background-color: gray;
    color: white;
    padding: 30px 20px;
    text-align: center;
}

header h1 {
    margin: 0 0 10px 0;
    font-size: 28px;
}

header p {
    margin: 5px 0;
}

main {
    max-width: 600px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

form label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
    margin-top: 16px;
}

input[type="text"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}

input[type="submit"] {
    margin-top: 20px;
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px;
    width: 100%;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

.success, .error {
    margin-top: 20px;
    padding: 12px;
    border-radius: 6px;
    text-align: center;
    font-weight: bold;
}

.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.info {
    background-color: #f1f5fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.info strong {
    display: inline-block;
    width: 130px;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}