body {
    font-family: 'Segoe UI', sans-serif;
    background: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.signup-container {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    width: 320px;
}

.signup-container h2 {
    margin-bottom: 25px;
    text-align: center;
    color: #333;
}

form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 14px;
}

form input:focus {
    border-color: #007BFF;
    outline: none;
}

form button {
    width: 100%;
    padding: 12px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-bottom: 10px; /* ÀÌ ÁÙ Ãß°¡ */
}

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