/*
 * A4 용지 기준 PDF 출력을 위한 스타일시트 (pdf_style.css)
 */

@page {
    size: A4;
    margin: 20mm 15mm 20mm 15mm;
    @top-left { content: none !important; }
    @top-right { content: none !important; }
    @bottom-left { content: none !important; }
    @bottom-right { content: none !important; }
    @bottom-center {
        content: counter(page) !important;
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans KR", sans-serif;
        font-size: 8.5pt;
        color: #7f8c8d;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans KR", sans-serif;
    font-size: 10pt;
    line-height: 1.6;
    color: #333333;
    background-color: #ffffff;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
}

/* 제목 스타일 */
h1, h2, h3, h4, h5, h6 {
    color: #111111;
    font-weight: bold;
    page-break-after: avoid;
    page-break-inside: avoid;
}

h1 {
    font-size: 18pt;
    border-bottom: 2px solid #007acc;
    padding-bottom: 4px;
    margin-top: 20px;
    margin-bottom: 12px;
}

h2 {
    font-size: 13pt;
    border-bottom: 1px solid #e1e4e8;
    padding-bottom: 3px;
    margin-top: 16px;
    margin-bottom: 10px;
}

h3 {
    font-size: 11pt;
    margin-top: 12px;
    margin-bottom: 6px;
}

h4 {
    font-size: 10pt;
    margin-top: 10px;
    margin-bottom: 6px;
}

/* 문단 및 리스트 */
p {
    margin-top: 0;
    margin-bottom: 8px;
    text-align: justify;
}

ul, ol {
    margin-top: 0;
    margin-bottom: 8px;
    padding-left: 20px;
}

li {
    margin-bottom: 3px;
}

/* 구분선 */
hr {
    height: 1px;
    padding: 0;
    margin: 15px 0;
    background-color: #e1e4e8;
    border: 0;
}

/* 테이블 스타일 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0;
    margin-bottom: 10px;
    page-break-inside: avoid;
}

table th, table td {
    padding: 4px 8px;
    border: 1px solid #dfe2e5;
    font-size: 8.5pt;
    word-break: keep-all;
}

table th {
    font-weight: 600;
    background-color: #f6f8fa;
    text-align: left;
}

table tr:nth-child(even) {
    background-color: #f9fbfd;
}

table tr {
    page-break-inside: avoid; /* 표의 중간 행이 반으로 쪼개지는 것만 방지 */
}

/* 인용구 스타일 */
blockquote {
    padding: 6px 12px;
    color: #6a737d;
    border-left: 0.25em solid #007acc;
    background-color: #f6f8fa;
    margin: 0 0 10px 0;
    page-break-inside: avoid;
}

blockquote p {
    margin: 0;
}

/* 코드 블록 (아스키 아트 등 포함) */
pre, code {
    font-family: "Consolas", "Monaco", "Andale Mono", "Ubuntu Mono", monospace;
    font-size: 8.5pt;
    background-color: #f6f8fa;
    border-radius: 3px;
}

code {
    padding: 0.2em 0.4em;
    margin: 0;
    border: 1px solid #eaecef;
}

pre {
    padding: 12px;
    overflow: auto;
    line-height: 1.45;
    border: 1px solid #e1e4e8;
    word-wrap: normal;
    white-space: pre; /* 아스키 아트 정렬 유지를 위해 강제 줄바꿈 해제 */
    page-break-inside: avoid;
}

pre code {
    padding: 0;
    margin: 0;
    background-color: transparent;
    border: none;
    font-size: inherit;
    white-space: inherit;
}

/* 이미지 스타일 */
img {
    max-width: 100%;
    max-height: 100mm; /* A4 높이의 약 절반 이하로 제한 */
    display: block;
    margin: 15px auto;
    object-fit: contain;
    page-break-inside: avoid;
    border: 1px solid #e1e4e8;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* 페이지 나누기 요소 */
.page-break {
    page-break-before: always !important;
}

/* 내비게이션 숨김 (인쇄 시) */
.nav-link, .nav-links, .back-to-toc, .manual-nav,
a[href$=".md"]:not(.toc-title a) {
    display: none !important;
}

/* 링크 스타일 */
a {
    color: #007acc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 특별 배지 스타일 */
.badge {
    display: inline-block;
    padding: 2px 6px;
    font-size: 8pt;
    font-weight: 600;
    line-height: 1;
    border-radius: 2px;
    background-color: #e1e4e8;
    color: #24292e;
    margin-right: 4px;
}

/* ==========================================
   표지 (Cover Page) 스타일 (Minimal & Clean)
   ========================================== */
.cover-page {
    text-align: center;
    padding: 70mm 0 30mm 0;
    page-break-after: always !important;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220mm;
}

.cover-header {
    margin-top: 20px;
}

.cover-title {
    font-size: 28pt !important;
    font-weight: 700 !important;
    color: #1a1a1a !important;
    margin: 0 0 16px 0 !important;
    padding: 0 !important;
    border: none !important;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.cover-subtitle {
    font-size: 16pt;
    font-weight: 500;
    color: #007acc;
    margin: 0;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.cover-meta {
    margin-top: 100px;
    font-size: 9.5pt;
    color: #666666;
    letter-spacing: 0.5px;
    border-top: 1px solid #eaeaea;
    padding-top: 20px;
    width: 60%;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   점선 리더 목차 (Dot Leader TOC) 스타일
   ========================================== */
.toc-container {
    padding: 10px 0;
}

.toc-heading {
    font-size: 22pt !important;
    font-weight: 800 !important;
    color: #0f2942 !important;
    border-bottom: none !important;
    padding-bottom: 0 !important;
    margin-top: 10px !important;
    margin-bottom: 24px !important;
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.toc-item {
    display: flex;
    align-items: baseline;
    font-size: 11pt;
    line-height: 1.5;
}

.toc-title {
    font-weight: 700 !important;
    color: #111827;
    white-space: nowrap;
    padding-right: 6px;
}

.toc-title a {
    color: #111827 !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    display: inline !important;
}

.toc-title a:hover {
    color: #007acc !important;
}

.toc-leader {
    flex-grow: 1;
    border-bottom: 1.2px dotted #4b5563;
    margin: 0 4px;
    position: relative;
    top: -4px;
}

.toc-page {
    font-weight: 700 !important;
    color: #111827;
    padding-left: 6px;
    white-space: nowrap;
}