/* 기본 리셋 및 폰트 설정 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', '맑은 고딕', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* 컨테이너 */
.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

/* 헤더 스타일 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.last-updated {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

/* 메인 콘텐츠 */
main {
    padding: 2rem 1.5rem;
}

.terms-content {
    max-width: 100%;
}

/* 조항 섹션 */
.term-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    background-color: #fff;
}

.term-section h2 {
    color: #495057;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
}

.term-section p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.term-section ol {
    margin-left: 1.2rem;
    margin-bottom: 1rem;
}

.term-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.term-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.term-section ol li {
    padding-left: 0.3rem;
}

.term-section ul li {
    list-style-type: disc;
    padding-left: 0.3rem;
}

/* 푸터 */
footer {
    background-color: #f8f9fa;
    padding: 2rem 1.5rem;
    border-top: 1px solid #e9ecef;
    margin-top: 2rem;
}

.company-info {
    text-align: center;
    color: #6c757d;
}

.company-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.company-info p:last-child {
    margin-top: 1rem;
    font-size: 0.8rem;
}

/* 모바일 최적화 */
@media (max-width: 768px) {
    .container {
        margin: 0;
        box-shadow: none;
    }
    
    header {
        padding: 1.5rem 1rem;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    main {
        padding: 1.5rem 1rem;
    }
    
    .term-section {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .term-section h2 {
        font-size: 1.1rem;
    }
    
    footer {
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem 0.8rem;
    }
    
    header h1 {
        font-size: 1.3rem;
    }
    
    main {
        padding: 1rem 0.8rem;
    }
    
    .term-section {
        padding: 0.8rem;
        border-radius: 6px;
    }
    
    .term-section h2 {
        font-size: 1rem;
    }
    
    .term-section ol,
    .term-section ul {
        margin-left: 1rem;
    }
    
    footer {
        padding: 1rem 0.8rem;
    }
}

/* 로딩 및 에러 메시지 스타일 */
.loading {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.error-message {
    text-align: center;
    padding: 2rem;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    margin: 1rem 0;
}

.error-message h2 {
    color: #721c24;
    margin-bottom: 1rem;
}

/* 다크 모드 지원 (시스템 설정에 따라) */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e9ecef;
    }
    
    .container {
        background-color: #2d3748;
    }
    
    .term-section {
        background-color: #2d3748;
        border-color: #4a5568;
    }
    
    .term-section h2 {
        color: #e2e8f0;
        border-bottom-color: #667eea;
    }
    
    footer {
        background-color: #1a202c;
        border-top-color: #4a5568;
    }
    
    .loading {
        color: #a0aec0;
    }
    
    .error-message {
        background-color: #fed7e2;
        color: #97266d;
        border-color: #fbb6ce;
    }
    
    .error-message h2 {
        color: #97266d;
    }
}