/* 기본 스타일 */
body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

#clock {
    font-size: 5rem;
    font-weight: bold;
}

#timer-container {
    margin-top: 2rem;
    text-align: center;
}

#timer-display {
    font-size: 3rem;
    margin-bottom: 1rem;
}

#contact-form {
    margin-top: 2rem;
    text-align: center;
}

#contact-form form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#contact-form label {
    margin-top: 1rem;
}

#contact-form input,
#contact-form textarea {
    width: 300px;
    margin-top: 0.5rem;
}

#contact-form button {
    margin-top: 1rem;
}

/* 라이트 모드 */
body[data-theme="light"] {
    background-color: #fff;
    color: #000;
}

/* 다크 모드 */
body[data-theme="dark"] {
    background-color: #000;
    color: #fff;
}