/* ============ RESOURCES ============
   Styles for resources/index.html (listing) + resources/*.html
   (article detail). Pulls site-wide vars/header/footer/lang-toggle
   from connectionary.css. */

/* ===== Listing ===== */
.resource-listing {
  max-width: 1180px;
  margin: 0 auto;
  padding-top: 64px;
  padding-bottom: 80px;
}
.resource-listing-head {
  margin-bottom: 48px;
  max-width: 720px;
}
.resource-listing-head h1 {
  margin: 0 0 12px;
  font-size: clamp(36px, 4.5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1.1;
}
.resource-listing-desc {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted);
  word-break: keep-all;
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.resource-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(var(--ink-rgb), 0.08);
}
.resource-card-thumb {
  aspect-ratio: 16 / 9;
  background: rgba(var(--ink-rgb), 0.04);
  overflow: hidden;
}
.resource-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.resource-card-thumb--empty {
  background: linear-gradient(135deg, rgba(var(--ink-rgb), 0.04), rgba(var(--mint-rgb), 0.08));
}
.resource-card-body {
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.resource-card-date {
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.resource-card-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.02em;
  word-break: keep-all;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.resource-card-summary {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  word-break: keep-all;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Article ===== */
.resource-article {
  max-width: 760px;
  margin: 0 auto;
  padding-top: 48px;
  padding-bottom: 96px;
}
.resource-back {
  display: inline-block;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.resource-back:hover { color: var(--ink); }

.resource-head { margin-bottom: 28px; }
.resource-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.resource-date {
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}
.resource-share {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}
.resource-share:hover {
  border-color: var(--ink);
  background: rgba(var(--ink-rgb), 0.04);
}
.resource-share.is-copied {
  border-color: var(--mint);
  color: var(--mint);
}
.resource-share svg { flex-shrink: 0; }
.resource-title {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.8vw, 40px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: var(--ink);
  word-break: keep-all;
}
.resource-summary {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  word-break: keep-all;
}
.resource-hero {
  margin: 32px 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.resource-hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Article body — markdown-rendered HTML ===== */
.resource-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  word-break: keep-all;
}
.resource-body h1,
.resource-body h2,
.resource-body h3,
.resource-body h4 {
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1.3;
  margin: 44px 0 14px;
}
.resource-body h1 { font-size: 28px; }
.resource-body h2 { font-size: 22px; padding-top: 8px; }
.resource-body h3 { font-size: 18px; }
.resource-body h4 { font-size: 16px; }
.resource-body p { margin: 0 0 18px; }
.resource-body strong { font-weight: 700; }
.resource-body em { font-style: italic; color: var(--muted); }
.resource-body a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition: color 0.15s;
}
.resource-body a:hover { color: var(--mint); }
.resource-body ul,
.resource-body ol {
  margin: 0 0 18px;
  padding-left: 24px;
}
.resource-body li { margin-bottom: 8px; }
.resource-body li > ul,
.resource-body li > ol { margin-top: 8px; }
.resource-body blockquote {
  margin: 24px 0;
  padding: 14px 22px;
  border-left: 3px solid var(--ink);
  background: rgba(var(--ink-rgb), 0.03);
  border-radius: 0 8px 8px 0;
  font-size: 15.5px;
  color: var(--ink);
}
.resource-body blockquote p { margin: 0 0 8px; }
.resource-body blockquote p:last-child { margin: 0; }
.resource-body hr {
  margin: 36px 0;
  border: none;
  border-top: 1px solid var(--line);
}
.resource-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 24px auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.resource-body code {
  background: rgba(var(--ink-rgb), 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 0.9em;
}
.resource-body pre {
  background: rgba(var(--ink-rgb), 0.04);
  padding: 16px 18px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0 0 18px;
}
.resource-body pre code { background: transparent; padding: 0; }
.resource-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 14.5px;
}
.resource-body th,
.resource-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  word-break: keep-all;
  vertical-align: top;
}
.resource-body th {
  background: rgba(var(--ink-rgb), 0.04);
  font-weight: 600;
}

.resource-not-available {
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

@media (max-width: 720px) {
  .resource-listing { padding-top: 32px; padding-bottom: 56px; }
  .resource-grid { grid-template-columns: 1fr; gap: 20px; }
  .resource-article { padding-top: 28px; padding-bottom: 64px; }
  .resource-meta { flex-direction: column; align-items: flex-start; gap: 12px; }
}
/* Phase 4: 폰 사이즈에서 listing head h1 + description / article body 타이포 압축. */
@media (max-width: 640px) {
  .resource-listing-head { margin-bottom: 32px; }
  .resource-listing-head h1 { font-size: clamp(28px, 7vw, 36px); }
  .resource-listing-desc { font-size: 15px; }
  .resource-card { border-radius: 14px; }
  .resource-card-body { padding: 16px 18px 18px; }
  .resource-card-title { font-size: 18px; }
  .resource-card-summary { font-size: 13.5px; }
  .resource-article { padding-left: 16px; padding-right: 16px; }
  /* Phase 5: MDX article body 타이포 모바일 압축. body 15.5 / line 1.7 — 가독성
     유지하면서 줄간격은 살짝 줄임. heading 도 한 단계씩 작게. */
  .resource-body { font-size: 15.5px; line-height: 1.7; }
  .resource-body h1 { font-size: 24px; }
  .resource-body h2 { font-size: 19px; margin-top: 32px; }
  .resource-body h3 { font-size: 16.5px; }
  .resource-body blockquote { padding: 12px 16px; font-size: 14.5px; }
  .resource-body ul,
  .resource-body ol { padding-left: 20px; }
}