main {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    box-sizing: border-box;
}

#affiliation-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

body.dark-mode #affiliation-form {
    background-color: #333;
    color: var(--dark-text-color);
}

#affiliation-form label {
    font-weight: bold;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

body.dark-mode #affiliation-form label {
    color: var(--dark-text-color);
}

#affiliation-form input[type="text"],
#affiliation-form input[type="email"],
#affiliation-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: all 0.3s ease;
}

body.dark-mode #affiliation-form input[type="text"],
body.dark-mode #affiliation-form input[type="email"],
body.dark-mode #affiliation-form textarea {
    background-color: #555;
    border-color: #777;
    color: var(--dark-text-color);
}

#affiliation-form input[type="text"]:focus,
#affiliation-form input[type="email"]:focus,
#affiliation-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
    outline: none;
}

#affiliation-form button[type="submit"] {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--white);
    background-color: var(--primary-color);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-top: 1rem;
}

#affiliation-form button[type="submit"]:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

#form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: bold;
}