@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css");
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css');

:root {
    --text-color: #1d1d1f;
    --primary-color: #007aff;
    --border-color: #e5e5ea;
    --card-background: #ffffff;
    --body-background: #f9f9f9;
}

body {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
    margin: 0;
    padding-top: 80px; 
    background: var(--body-background);
    color: var(--text-color);
}

.container {
    max-width: 720px;
    width: 90%;
    margin: 0 auto;
}

/* Top Navigation - 심플하게 */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    height: 60px;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.top-nav .container, .top-nav ul {
    display: flex;
    align-items: center;
}

.top-nav .container { justify-content: space-between; }
.top-nav .logo { font-size: 20px; font-weight: 600; color: var(--text-color); text-decoration: none; }
.top-nav ul { list-style: none; margin: 0; padding: 0; gap: 25px; }
.top-nav ul a { text-decoration: none; color: #555; font-weight: 500; font-size: 16px; transition: color 0.2s ease; }
.top-nav ul a:hover { color: var(--primary-color); }

/* Header - 그림자 제거 */
.hero-header { text-align: center; padding: 30px 0; }
.profile-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}
h1 { font-size: 28px; font-weight: 700; margin: 0 0 8px; }
.subtitle { font-size: 17px; color: #6c6c70; margin: 0; }

/* Card Styles - 그림자 및 패딩 축소 */
.card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 25px;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 600;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

/* Links Card - 호버 효과 단순화 */
.links-container { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.link-item {
    background: #f8f9fa;
    color: var(--text-color);
    text-decoration: none;
    padding: 18px;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s ease-in-out;
    text-align: center;
    border: 1px solid var(--border-color);
}
.link-item:hover { background-color: #e9ecef; }

/* Articles Card - 링크 스타일 정리 */
.article-item-link { display: block; text-decoration: none; color: inherit; border-radius: 8px; transition: background-color 0.2s ease; }
.article-item-link:hover { background-color: #f8f9fa; }
#articles-list .article-item {
    padding: 20px 15px;
    border-bottom: 1px solid var(--border-color);
}
#articles-list .article-item-link:last-child .article-item { border-bottom: none; }
#articles-list .article-item h3 { margin: 0 0 5px; font-size: 17px; font-weight: 600; color: var(--text-color); }
#articles-list .article-item p { margin: 0; color: #555; font-size: 15px; }

/* Introduction Card */
#introduction { line-height: 1.7; font-size: 16px; }

/* Social Share Card - 버튼 스타일 단순화 */
.share-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.share-btn {
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    background-color: #fff;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.share-btn:hover { background-color: #f8f9fa; }
.share-btn .fab, .share-btn .fas { color: #555; }
/* 개별 색상 제거, 원하면 아래 주석 해제
.share-btn.kakao { background-color: #FEE500; color: #191919; border-color: #FEE500; }
.share-btn.facebook { background-color: #1877F2; color: #fff; border-color: #1877F2; }
.share-btn.twitter { background-color: #1DA1F2; color: #fff; border-color: #1DA1F2; }
*/

/* Disqus & Footer */
.disqus-section { border: 1px solid var(--border-color); }
.main-footer {
    text-align: center;
    padding: 30px 0;
    font-size: 13px;
    color: #888;
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}