@charset "utf-8";

/* =========================================
   1. 기본 설정 (Reset & Variables)
   ========================================= */
:root {
    --primary-color: #008080;   /* 틸(Teal) - 게임 메인 컬러 */
    --accent-color: #0056b3;    /* 링크 및 강조 컬러 */
    --text-dark: #333333;       /* 본문 텍스트 */
    --text-light: #666666;      /* 보조 텍스트 */
    --bg-color: #f4f6f8;        /* 배경색 (눈이 편한 회색) */
    --white: #ffffff;
    --border-color: #dddddd;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
    word-break: keep-all; /* 한글 줄바꿈 최적화 */
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul, ol {
    list-style: none;
}

/* =========================================
   2. 헤더 & 네비게이션 (공통)
   ========================================= */
header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky; /* 스크롤 내려도 상단 고정 */
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

nav {
    max-width: 1000px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

nav a {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-dark);
    padding: 5px 10px;
    border-radius: 5px;
}

nav a:hover {
    color: var(--primary-color);
    background-color: #e0f2f1;
}

/* =========================================
   3. 블로그 본문 레이아웃 (AdSense 핵심)
   ========================================= */
main {
    max-width: 800px; /* 읽기 가장 편한 폭 */
    margin: 40px auto;
    padding: 50px;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

/* 타이틀 영역 */
h1 {
    font-size: 2.2rem;
    line-height: 1.3;
    margin-bottom: 15px;
    color: #222;
    letter-spacing: -0.5px;
}

.meta-info {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

/* 본문 타이포그래피 */
h2 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-top: 60px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
    font-weight: 700;
}

h3 {
    font-size: 1.3rem;
    margin-top: 40px;
    margin-bottom: 15px;
    color: #444;
    border-left: 5px solid var(--primary-color);
    padding-left: 15px;
}

p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #444;
}

/* 강조 박스 & 리스트 */
main ul, main ol {
    background-color: #f9f9f9;
    padding: 25px 25px 25px 45px;
    border-radius: 8px;
    border: 1px solid #eee;
    margin-bottom: 30px;
    list-style-type: disc; /* 리스트 점 표시 */
}

main li {
    margin-bottom: 10px;
    line-height: 1.6;
}

strong {
    background: linear-gradient(to top, #fff59d 40%, transparent 40%); /* 형광펜 효과 */
}

/* 이미지 스타일 (반응형 필수) */
img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* =========================================
   4. 액션 버튼 & 푸터
   ========================================= */
.action-box {
    text-align: center;
    margin-top: 60px;
    margin-bottom: 40px;
    padding: 40px;
    background-color: #e0f7fa;
    border-radius: 12px;
    border: 1px solid #b2ebf2;
}

.action-box h3 {
    margin-top: 0;
    border: none;
    padding: 0;
    color: #006064;
}

.back-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s, background-color 0.2s;
}

.back-btn:hover {
    background-color: #006666;
    transform: translateY(-3px);
    color: #fff;
}

.related-posts {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 2px solid #eee;
}

.related-posts h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

footer {
    text-align: center;
    padding: 40px 0;
    color: #999;
    font-size: 0.9rem;
    border-top: 1px solid #ddd;
    background: #fff;
    margin-top: auto;
}

/* =========================================
   5. 모바일 반응형 (Mobile Responsiveness)
   ========================================= */
@media (max-width: 768px) {
    main {
        margin: 20px 15px;
        padding: 25px;
        width: auto;
    }

    h1 {
        font-size: 1.7rem;
    }

    h2 {
        font-size: 1.4rem;
        margin-top: 40px;
    }

    p {
        font-size: 1rem;
    }

    .action-box {
        padding: 25px;
    }
    
    main ul, main ol {
        padding: 20px 20px 20px 40px;
    }
}