/* ============================================================
   article.css — 가이드 아티클 본문 스타일
   Base: bootcamp-2.css (dark #0b0f14, amber #ffb347, Pretendard)
   Header/nav/footer는 homepage.css 가 담당.
   여기서는 아티클 레이아웃·본문 타이포그래피·숏코드 블록만 정의합니다.
   ============================================================ */

/* ── 접근성: 건너뛰기 링크 ── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #000;
  color: #fff;
  padding: 8px;
  text-decoration: none;
  z-index: 1000;
}
.skip-link:focus { top: 6px; }

/* ── 아티클 페이지 메인 컨테이너 ── */
main#main-content {
  background: var(--bg);
  min-height: 60vh;
}

.guide-article {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

/* ============================================================
   ARTICLE HEADER CARD
   ============================================================ */
.article-header {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 24px;
}

.article-title {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  word-break: keep-all;
}

.article-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
}

.article-meta span { margin-right: 0; }

.article-lead {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

/* ============================================================
   HERO IMAGE
   ============================================================ */
.image-section { margin-bottom: 24px; }

.article-hero {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  display: block;
}

/* ============================================================
   PROSE — MAIN BODY CONTAINER
   ============================================================ */
.prose {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 40px;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 16px;
}

/* Section shortcode: no double-border — visually separated by spacing only */
.prose .content-section {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px 32px;
  margin: 32px 0;
}
.prose > .content-section:first-child { margin-top: 0; }
.prose > .content-section:last-child  { margin-bottom: 0; }

/* ── Headings ── */
.prose h2 {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--text);
  margin: 32px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  letter-spacing: -0.015em;
  line-height: 1.3;
}
.prose > h2:first-child,
.prose .content-section > h2:first-child { margin-top: 0; }

.prose h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 24px 0 12px;
}

.prose h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-muted);
  margin: 18px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Body text ── */
.prose p { margin-bottom: 16px; }
.prose p:last-child { margin-bottom: 0; }

.prose strong { color: var(--text); font-weight: 700; }
.prose em     { color: var(--text); }

.prose ul,
.prose ol { margin-bottom: 16px; padding-left: 28px; }

.prose li { margin-bottom: 8px; }

.prose ul li::marker { color: var(--accent); }
.prose ol li::marker { color: var(--accent); font-weight: 700; }

.prose a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
.prose a:hover { color: var(--accent-strong); text-decoration: underline; }

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
}

/* ── Blockquote ── */
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 20px 0;
  color: var(--text-muted);
  font-style: italic;
  font-size: 15px;
  line-height: 1.7;
}

/* ── Tables ── */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.prose thead { background: var(--bg-card); }

.prose th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  border-bottom: 1px solid var(--line);
}

.prose td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  vertical-align: top;
}

.prose tr:last-child td { border-bottom: none; }

.prose tbody tr:nth-child(odd)  { background: var(--bg-elevated); }
.prose tbody tr:nth-child(even) { background: var(--bg-card); }

.prose tbody tr:hover { background: rgba(255, 179, 71, 0.04); }

/* ── Code ── */
.prose pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 20px 0;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.65;
}

.prose code {
  font-family: "Courier New", "Consolas", monospace;
  font-size: 0.92em;
}

.prose :not(pre) > code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.88em;
}

/* ── HR ── */
.prose hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* ============================================================
   SHORTCODE: {% section "title" %}  →  <section class="content-section">
   (already styled above under .prose .content-section)
   ============================================================ */

/* ============================================================
   SHORTCODE: {% highlight "title" %}  →  .highlight-box
   ============================================================ */
.highlight-box {
  background: rgba(255, 179, 71, 0.06);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  margin: 20px 0;
}

.highlight-box > :last-child { margin-bottom: 0; }

.highlight-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}

.highlight-box p   { color: var(--text-muted); margin-bottom: 8px; }
.highlight-box li  { color: var(--text-muted); }
.highlight-box strong { color: var(--text); }
.highlight-box code   { color: var(--accent); }

/* ============================================================
   SHORTCODE: {% setting "r.CVar" %}  →  .setting-item / .setting-name
   ============================================================ */
.setting-item {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 16px 0;
  transition: border-color 0.2s;
}

.setting-item:hover { border-color: rgba(255, 179, 71, 0.3); }

.setting-item > :last-child { margin-bottom: 0; }

.setting-name {
  font-family: "Courier New", "Consolas", monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(255, 179, 71, 0.08);
  border: 1px solid rgba(255, 179, 71, 0.25);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 12px;
  word-break: break-all;
}

/* ============================================================
   SHORTCODE: {% resources %}  →  .resource-links
   ============================================================ */
.resource-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.resource-links li { margin: 0; }

.resource-links a {
  display: inline-block;
  background: var(--accent);
  color: #000 !important;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--btn-radius);
  text-decoration: none !important;
  transition: background 0.2s, transform 0.2s;
}

.resource-links a:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

/* ============================================================
   SHORTCODE: {% figure %}  →  .article-figure
   ============================================================ */
.article-figure {
  margin: 28px 0;
  text-align: center;
}

.article-figure img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.article-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================================
   SHORTCODE: {% youtube %}  →  .yt-embed  (16:9 responsive)
   ============================================================ */
.yt-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 24px 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.yt-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ============================================================
   NOTION / EXTERNAL IFRAME EMBED  (.iframe-container)
   ============================================================ */
.iframe-container {
  width: 100%;
  height: 80vh;
  min-height: 600px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── Misc ── */
.emoji { font-size: 1.15em; margin-right: 6px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px) {
  .guide-article { padding: 32px 20px 48px; }
  .prose { padding: 28px 24px; }
}

@media (max-width: 600px) {
  .guide-article { padding: 20px 14px 40px; }
  .prose { padding: 20px 16px; }
  .article-header { padding: 22px 18px; }
  .article-title { font-size: 22px; }
  .prose h2 { font-size: 20px; }
  .prose table { font-size: 12px; }
  .prose th,
  .prose td { padding: 10px 12px; }
  .prose .content-section { padding: 20px 16px; }
}