/* 김진완 포트폴리오 전용 스타일 — 케이스 스터디 (2026-06-08) */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --accent: #0ea5e9;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --bg-subtle: #f8fafc;
  --bg-accent: #eef2ff;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --ok: #059669;
}

* { box-sizing: border-box; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text);
  line-height: 1.75;
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 32px 96px;
  font-size: 15px;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

/* ── 표지 ── */
h1 {
  font-size: 34px;
  font-weight: 900;
  margin: 0 0 18px;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, var(--primary) 10%, var(--accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 + blockquote {
  border: none;
  background: var(--bg-accent);
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  padding: 20px 24px;
  margin: 0 0 22px;
  color: var(--text);
  font-size: 15px;
}
h1 + blockquote p { margin: 9px 0; }
h1 + blockquote p:first-child { margin-top: 0; }
h1 + blockquote p:last-child { margin-bottom: 0; }
h1 + blockquote strong { color: var(--primary-dark); font-weight: 700; }

/* ── 섹션 / Case 제목 (h2) ── */
h2 {
  font-size: 23px;
  font-weight: 800;
  color: var(--text);
  margin: 60px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  letter-spacing: -0.02em;
  line-height: 1.45;
}
h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 22px;
  margin-right: 12px;
  vertical-align: -3px;
  border-radius: 3px;
  background: linear-gradient(var(--primary), var(--accent));
}

/* ── 소제목 (개요/문제/해결/회고) ── */
h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 30px 0 8px;
  letter-spacing: -0.01em;
}
h4 { font-size: 15px; font-weight: 700; margin: 20px 0 6px; }

p { margin: 11px 0; }
ul { padding-left: 22px; margin: 11px 0; }
li { margin: 8px 0; }
li::marker { color: var(--primary); }
strong { font-weight: 700; color: var(--text); }
a { color: var(--primary); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }

hr { border: none; border-top: 1px solid var(--border); margin: 4px 0 0; }

/* ── 인라인 code (기간·기술 메타 / 심볼) ── */
code {
  background: var(--bg-accent);
  color: var(--primary-dark);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12.5px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  word-break: keep-all;
}

/* Case 제목 바로 아래 메타 줄(기간 · 기술)을 살짝 띄움 */
h2 + p { margin-top: 4px; color: var(--text-secondary); }

/* ── 멀티라인 코드 블록 (mermaid 제외) ── */
pre:not(.mermaid) {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 18px 20px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.65;
}
pre:not(.mermaid) code {
  background: none;
  color: inherit;
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  font-size: 13px;
}
/* ── 코드 하이라이트: 어두운 배경용 밝은 팔레트로 재정의
   (pandoc 기본 하이라이트는 밝은 배경용이라 어두운 코드 배경에서 안 보임) ── */
pre:not(.mermaid) code span.co,
pre:not(.mermaid) code span.an,
pre:not(.mermaid) code span.cv,
pre:not(.mermaid) code span.in,
pre:not(.mermaid) code span.do { color: #8b97a8; font-style: italic; }
pre:not(.mermaid) code span.kw,
pre:not(.mermaid) code span.cf,
pre:not(.mermaid) code span.im,
pre:not(.mermaid) code span.bu,
pre:not(.mermaid) code span.ot { color: #c792ea; font-weight: 500; }
pre:not(.mermaid) code span.fu { color: #82aaff; }
pre:not(.mermaid) code span.st,
pre:not(.mermaid) code span.sc,
pre:not(.mermaid) code span.vs,
pre:not(.mermaid) code span.ch,
pre:not(.mermaid) code span.ss { color: #c3e88d; }
pre:not(.mermaid) code span.dv,
pre:not(.mermaid) code span.fl,
pre:not(.mermaid) code span.bn { color: #f78c6c; }
pre:not(.mermaid) code span.dt { color: #ffcb6b; }
pre:not(.mermaid) code span.at { color: #7fdbca; }
pre:not(.mermaid) code span.va { color: #e2e8f0; }
pre:not(.mermaid) code span.op { color: #b8c4d6; }

/* ── mermaid 다이어그램 박스 ── */
pre.mermaid {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 20px;
  margin: 18px 0;
  text-align: center;
  line-height: 1.4;
}
pre.mermaid svg { max-width: 100%; height: auto; }

/* ── 이미지 · 아키텍처 다이어그램(SVG) ── */
figure { margin: 18px 0; }
figure > img {
  display: block;
  width: 100%;
  margin: 0 auto;
  border-radius: 12px;
}
/* 스크린샷(다이어그램 제외)은 본문보다 좁게·가운데 정렬해 과하게 커 보이지 않게 */
figure > img:not(.diagram) {
  max-width: 680px;
}
img.diagram {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 18px;
}
figcaption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 12.5px;
  margin-top: 8px;
}

/* ── 이미지/코드 플레이스홀더 (🖼️ / 💻 blockquote) ── */
blockquote {
  border: 1.5px dashed #c7d2fe;
  background: var(--bg-subtle);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-size: 13.5px;
}
blockquote p { margin: 0; }
blockquote strong { color: var(--primary-dark); font-weight: 700; }

/* ── 테이블 (대안 비교 등) ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  border-radius: 10px;
  overflow: hidden;
}
th {
  background: var(--bg-accent);
  color: var(--primary-dark);
  font-weight: 700;
  text-align: left;
  padding: 11px 14px;
  border-bottom: 2px solid var(--border);
}
td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--bg-subtle); }

/* ── Skills (로고 칩) ── */
.skills-chips { margin: 8px 0 24px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-accent); color: var(--primary-dark);
  border: 1px solid #dbe1fb; border-radius: 999px;
  padding: 4px 12px; margin: 4px 6px 0 0;
  font-size: 13px; font-weight: 600; line-height: 1.5;
  vertical-align: middle;
}
.chip img { width: 14px; height: 14px; display: block; flex: none; }

/* ── 인쇄 (A4 PDF) ── */
@media print {
  @page { size: A4; margin: 14mm; }
  body { padding: 0; font-size: 11px; max-width: none; }
  h1 { font-size: 26px; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  h2 { font-size: 17px; margin-top: 26px; page-break-after: avoid; }
  h3, h4 { page-break-after: avoid; }
  pre, table, blockquote, pre.mermaid { page-break-inside: avoid; }
  h1 + blockquote, th, tbody tr:nth-child(even), pre:not(.mermaid) {
    -webkit-print-color-adjust: exact; print-color-adjust: exact;
  }
  a { color: var(--text); }
  section[class~="level2"] { break-inside: avoid; }
  h2::before { background: var(--primary); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}