/* 전체 스타일 */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* 헤더 스타일 */
.header-container {
    background-color: #333;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-container h1 {
    margin: 0;
}

.header-container h1 a {
    color: white;
    text-decoration: none;
}

.header-container nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.header-container nav a {
    color: white;
    text-decoration: none;
}

.header-container nav a:hover {
    text-decoration: underline;
}

/* 메인 컨텐츠 스타일 */
.main-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* 환영 메시지 스타일 */
.welcome-message, .guest-message {
    margin-bottom: 2rem;
}

.welcome-message h2, .guest-message h2 {
    color: #333;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.5rem;
}

.highlight {
    color: #0066cc;
    font-weight: bold;
}

/* 기능 목록 스타일 */
.features-list {
    background-color: #f9f9f9;
    padding: 1.5rem;
    border-radius: 5px;
    margin-top: 2rem;
}

.features-list h3 {
    margin-top: 0;
    color: #333;
}

.features-list ul {
    margin-bottom: 1.5rem;
}

/* 버튼 스타일 */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #0066cc;
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: #0055aa;
}

.cta-button {
    text-align: center;
    margin: 1.5rem 0;
}

/* 로그인/회원가입 폼 스타일 */
.form-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    margin-top: 0;
    text-align: center;
    color: #333;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.5rem;
    box-sizing: border-box;
    border: 1px solid #ddd;
    border-radius: 3px;
}

button {
    background-color: #0066cc;
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 3px;
    cursor: pointer;
    width: 100%;
    font-size: 1rem;
}

button:hover {
    background-color: #0055aa;
}

/* 알럿 메시지 스타일 */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 3px;
}

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

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

/* 에러 메시지 스타일 */
.error-message {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* 푸터 스타일 */
.footer-container {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: white;
    margin-top: 2rem;
}

/* 프로필 페이지 스타일 */
.profile-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.section-title {
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #444;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    background-color: #f5f5f5;
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.checkbox-item input {
    margin-right: 0.5rem;
    width: auto;
}

.checkbox-item label {
    margin: 0;
    font-weight: normal;
}

.api-key-section {
    background-color: #f9f9f9;
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

.input-with-toggle {
    display: flex;
    gap: 8px;
}

.toggle-visibility {
    flex: 0 0 auto;
    padding: 0 10px;
    background-color: #eee;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.toggle-visibility:hover {
    background-color: #ddd;
}