/* 기본 스타일 리셋 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 헤더 스타일 */
header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e9ecef;
}

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

.app-name {
    font-size: 1.2rem;
    color: #7f8c8d;
    font-weight: 500;
}

/* 메인 콘텐츠 스타일 */
main {
    margin-bottom: 40px;
}

article {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

article h2 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

article p {
    margin-bottom: 15px;
    text-align: justify;
    font-size: 1rem;
    line-height: 1.7;
}

/* 목록 스타일 */
ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

ol li {
    margin-bottom: 8px;
    line-height: 1.6;
}

ol ol {
    margin-top: 8px;
    margin-bottom: 8px;
}

ol ol li {
    margin-bottom: 5px;
}

/* 푸터 스타일 */
footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .container {
        margin: 0;
        padding: 15px;
        box-shadow: none;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .app-name {
        font-size: 1rem;
    }
    
    article {
        padding: 15px;
    }
    
    article h2 {
        font-size: 1.2rem;
    }
    
    article p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    article {
        padding: 12px;
    }
    
    article h2 {
        font-size: 1.1rem;
    }
    
    article p {
        font-size: 0.9rem;
    }
}

/* 인쇄 스타일 */
@media print {
    body {
        background-color: white;
    }
    
    .container {
        box-shadow: none;
        max-width: none;
    }
    
    article {
        background-color: white;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}