/* 기본 스타일 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #333;
    color: #fff;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    text-align: center;
    background-color: #444;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 100%;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

/* 버튼 스타일 */
#generate-btn {
    background-color: #9b59b6;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-bottom: 20px;
}

#generate-btn:hover {
    background-color: #8e44ad;
}

/* 결과 컨테이너 */
.result-container {
    margin-top: 30px;
    font-size: 1.5rem;
    font-weight: bold;
    min-height: 50px;
}

/* 제휴 문의 섹션 */
.contact-section {
    margin-top: 40px;
}

.contact-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: left;
    color: #2980b9;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

input[type="email"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #555;
    color: #fff;
    font-size: 1rem;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.submit-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

.submit-btn:hover {
    background-color: #2980b9;
}

/* 다크 모드 */
body.dark-mode {
    background-color: #333;
    color: #fff;
}

body.dark-mode .container {
    background-color: #444;
}

body.dark-mode input[type="email"],
body.dark-mode textarea {
    background-color: #555;
    border-color: #666;
    color: #fff;
}