/* Shared figure styles for posts. Scoped to .content so it does not touch other layouts.
   Colors come from the Chirpy theme variables so light/dark mode stay consistent. */

.content figure.post-figure {
  margin: 1.8rem 0 2.1rem;
  padding: 0;
}

.content figure.post-figure > img,
.content figure.post-figure > a > img,
.content figure.post-figure > picture > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0;
  border-radius: 8px;
  border: 1px solid var(--main-border-color);
  background: var(--card-bg);
}

.content figure.post-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-muted-color);
  text-align: left;
  word-break: keep-all;
}

.content figure.post-figure figcaption strong {
  color: var(--text-color);
  font-weight: 600;
}

/* Relationship drawings: a framed SVG with a wide and a narrow version.
   The narrow version is chosen by the width of the figure container, not the viewport,
   because the sidebar and the TOC column reduce the article width. */

.content figure.post-figure--diagram {
  container: post-diagram / inline-size;
  border: 1px solid var(--main-border-color);
  border-radius: 8px;
  background: #fff;
  overflow: visible;
  scroll-margin-top: 90px;
}

.content figure.post-figure--diagram .figure-head {
  display: block;
  padding: 1.2rem 1.4rem 0.6rem;
  font-size: 1.05rem;
  line-height: 1.55;
  font-weight: 700;
  color: #192e42;
  word-break: keep-all;
}

.content figure.post-figure--diagram .figure-head small {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #285fbc;
}

.content figure.post-figure--diagram picture,
.content figure.post-figure--diagram picture > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: #fff;
}

.content figure.post-figure--diagram figcaption {
  margin: 0;
  padding: 0.9rem 1.4rem 1.2rem;
  border-top: 1px solid var(--main-border-color);
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text-muted-color);
}

/* Keep the frame readable in dark mode: the drawing itself stays on white paper,
   so the frame uses a neutral light border and the heading keeps its dark ink. */
html[data-mode="dark"] .content figure.post-figure--diagram {
  border-color: #3f5066;
}

html[data-mode="dark"] .content figure.post-figure--diagram figcaption {
  border-top-color: #cdd8e3;
  background: #fff;
  color: #52677c;
}

html[data-mode="dark"] .content figure.post-figure--diagram figcaption a {
  color: #285fbc;
}

.content figure.post-figure--diagram .diagram-source {
  display: block;
  width: fit-content;
  margin-top: 0.5rem;
  padding: 0.55rem 0;
  font-size: 0.85rem;
  line-height: 1.4;
}

.content figure.post-figure--diagram .diagram-narrow {
  display: none;
}

@container post-diagram (max-width: 620px) {
  .content figure.post-figure--diagram .diagram-wide {
    display: none;
  }

  .content figure.post-figure--diagram picture.diagram-narrow {
    display: block;
    max-width: 390px;
    margin-inline: auto;
  }

  .content figure.post-figure--diagram a.diagram-narrow {
    display: block;
  }
}

@media (max-width: 600px) {
  .content figure.post-figure--diagram .figure-head {
    padding: 1rem 1rem 0.5rem;
    font-size: 1rem;
  }

  .content figure.post-figure--diagram figcaption {
    padding: 0.8rem 1rem 1rem;
  }
}

/* Two-column comparison of the same input with different outcomes. Stacks on narrow widths. */
.content .post-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.4rem 0 1.8rem;
}

.content .post-compare > div {
  padding: 0.9rem 1rem;
  border: 1px solid var(--main-border-color);
  border-radius: 8px;
  background: var(--card-bg);
}

.content .post-compare > div > strong:first-child {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.content .post-compare pre,
.content .post-compare .highlight {
  margin-bottom: 0.6rem;
}

@media (max-width: 600px) {
  .content .post-compare {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .content figure.post-figure * {
    transition: none !important;
    animation: none !important;
  }
}

/* Tables: the theme keeps cells on one line and scrolls the whole table sideways,
   which hides the right-hand column on phones. Let cells wrap at word boundaries instead.
   The wrapper keeps overflow-x as a fallback for very wide tables. */
.content .table-wrapper > table {
  width: 100%;
}

.content .table-wrapper > table th,
.content .table-wrapper > table td {
  white-space: normal;
  word-break: keep-all;
  overflow-wrap: break-word;
  vertical-align: top;
  line-height: 1.65;
}

.content .table-wrapper > table td code,
.content .table-wrapper > table th code {
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}

/* Wide reference tables (4+ columns) are allowed to break long tokens anywhere
   so the whole table stays inside the column; narrow tables keep short tokens whole. */
.content .table-wrapper > table tr:has(> td:nth-child(4)) code,
.content .table-wrapper > table tr:has(> th:nth-child(4)) ~ tr code {
  overflow-wrap: anywhere;
}

@media (max-width: 575px) {
  .content .table-wrapper > table th,
  .content .table-wrapper > table td {
    padding: 0.6rem 0.55rem;
    font-size: 0.92rem;
  }

}

/* Mermaid: keep the drawing at a readable size and scroll it inside its own box
   instead of shrinking the whole diagram to fit a phone screen. */
.content .mermaid {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.content .mermaid > svg {
  min-width: 640px;
  height: auto;
}

.content .mermaid.is-scrollable {
  position: relative;
  padding-bottom: 1.6rem;
  outline-offset: 4px;
}

.content .mermaid.is-scrollable::after {
  content: "옆으로 밀어서 전체 보기 →";
  position: absolute;
  right: 0.4rem;
  bottom: 0.2rem;
  font-size: 0.78rem;
  color: var(--text-muted-color);
  pointer-events: none;
}

.content .mermaid.is-scrollable:focus-visible {
  outline: 2px solid var(--link-color);
}

/* Tables that still overflow on narrow screens get the same scroll hint as diagrams. */
.content .table-wrapper.is-scrollable {
  position: relative;
  padding-bottom: 1.5rem;
}

.content .table-wrapper.is-scrollable::after {
  content: "옆으로 밀어서 전체 보기 →";
  position: absolute;
  right: 0.4rem;
  bottom: 0.1rem;
  font-size: 0.78rem;
  color: var(--text-muted-color);
  pointer-events: none;
}

.content .table-wrapper.is-scrollable:focus-visible {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
}

/* Visible keyboard focus for links and figure controls inside the article. */
.content a:focus-visible,
.content summary:focus-visible {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
  border-radius: 2px;
}

.content .code-header button:focus-visible {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
}