:root {
    --background: #111113;
    --foreground: #FAFAFA;
    --muted: #18181B;
    --muted-foreground: #A1A1AA;
    --border: #27272A;
    --primary: #2563EB;
    --primary-foreground: #FFFFFF;
    --font-sans: 'Poppins', 'Noto Sans KR', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.025em;
}

/* 네비게이션 바 스타일 수정 */
nav {
    background-color: rgba(2, 8, 23, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-sans);
    font-weight: 500;
}

/* 버튼 스타일 */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    font-family: var(--font-sans);
    font-weight: 500;
    letter-spacing: -0.025em;
}
.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}
.btn-primary:hover {
    opacity: 0.9;
}

/* 마크다운 콘텐츠 스타일 수정 */
.markdown-content {
    color: var(--foreground);
    font-family: var(--font-sans);
    line-height: 1.8;
}
.markdown-content code {
    background-color: var(--muted);
    color: var(--foreground);
}
.markdown-content pre {
    background-color: var(--muted);
    border: 1px solid var(--border);
}
.markdown-content blockquote {
    background-color: var(--muted);
    border-left: 4px solid var(--primary);
}
.markdown-content h1 { font-size: 2em; font-weight: bold; margin: 1em 0; }
.markdown-content h2 { font-size: 1.5em; font-weight: bold; margin: 0.83em 0; }
.markdown-content h3 { font-size: 1.17em; font-weight: bold; margin: 0.67em 0; }
.markdown-content p { margin: 1em 0; line-height: 1.6; }
.markdown-content ul { list-style-type: disc; padding-left: 2em; margin: 1em 0; }
.markdown-content ol { list-style-type: decimal; padding-left: 2em; margin: 1em 0; }
.markdown-content code { 
    background-color: #080808; 
    padding: 0.2em 0.4em; 
    border-radius: 3px;
    font-family: var(--font-mono);
}
.markdown-content pre {
    margin: 1em 0;
    padding: 0;
    background: #272822;
    border-radius: 4px;
}
.markdown-content pre > code {
    display: block;
    overflow-x: auto;
    padding: 1em;
    color: #f8f8f2;
    font-family: var(--font-mono);
    font-size: 0.9em;
    line-height: 1.5;
}
.markdown-content pre[class*="language-"],
.markdown-content code[class*="language-"] {
    text-shadow: none !important;
}
.markdown-content :not(pre) > code {
    background-color: #f5f5f5;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    color: #333;
}
.markdown-content blockquote { 
    border-left: 4px solid #414346; 
    padding: 0.5em 1em;
    margin: 1em 0;
    background-color: #1c1c1c;
    color: #d1d1d1;
}
.markdown-content a { color: #0366d6; text-decoration: none; }
.markdown-content a:hover { text-decoration: underline; }
.markdown-content table { 
    border-collapse: collapse; 
    margin: 1em 0;
    width: 100%;
}
.markdown-content th, .markdown-content td { 
    border: 1px solid #ddd; 
    padding: 0.5em;
}
.markdown-content .language-label {
    background: #1d1d1d;
    color: #ccc;
    padding: 0.3em 1em;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    font-size: 0.8em;
    font-family: var(--font-mono);
}
.markdown-content img {
    max-width: 100%;
    height: auto;
    margin: 1em 0;
}

.code-block {
    margin: 1em 0;
    background: #2d2d2d;
    border-radius: 4px;
    font-size: 1em;
}
.code-block pre {
    margin: 0;
    padding: 1em;
    background: none;
    overflow-x: auto;
}
.code-block code {
    background: none;
    color: #ccc;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.9em;
    line-height: 1.5;
}
.code-block .language-label {
    background: #1d1d1d;
    color: #ccc;
    padding: 0.5em 1em;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    font-size: 0.8em;
    font-family: var(--font-mono);
}
.markdown-content code:not(pre code) {
    background-color: #f5f5f5;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: var(--font-mono);
}

/* 제목 스타일 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 600;
    line-height: 1.2;
}

/* 코드 블록 폰트 */
code, pre {
    font-family: var(--font-mono);
}

/* 모바일 메뉴 스타일 */
#mobile-menu {
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    margin-top: 0.5rem;
}