/* =========================================================
   OLCalc Markdown Content Styles
   File: static/css/markdown.css

   Usage:
   <article class="markdown"> ... </article>
   ========================================================= */

.markdown {
  --md-text: #334155;
  --md-heading: #0f172a;
  --md-muted: #64748b;
  --md-border: #e2e8f0;
  --md-surface: #f8fafc;
  --md-primary: #2563eb;
  --md-primary-soft: #eff6ff;
  --md-code-bg: #0f172a;
  --md-code-text: #e2e8f0;

  color: var(--md-text);
  font-size: 16px;
  line-height: 1.85;
  overflow-wrap: anywhere;
  word-break: normal;
  min-width: 0;
}

/* 1. Paragraphs and basic text */

.markdown p {
  margin: 0 0 1.25rem;
}

.markdown strong,
.markdown b {
  color: #1e293b;
  font-weight: 700;
}

.markdown em {
  font-style: italic;
}

.markdown small {
  color: var(--md-muted);
  font-size: 0.875em;
}

.markdown mark {
  padding: 0.1em 0.25em;
  color: #854d0e;
  background: #fef3c7;
  border-radius: 0.2rem;
}

.markdown del {
  color: #94a3b8;
}

.markdown ins {
  text-decoration: underline;
  text-decoration-color: #60a5fa;
  text-underline-offset: 3px;
}

/* 2. Headings */

.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown h5,
.markdown h6 {
  color: var(--md-heading);
  font-weight: 750;
  line-height: 1.3;
  letter-spacing: -0.025em;
  scroll-margin-top: 6rem;
  text-wrap: pretty;
}

.markdown h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
}

.markdown h2 {
  margin: 3rem 0 1.15rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--md-border);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
}

.markdown h3 {
  margin: 2rem 0 0.85rem;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

.markdown h4 {
  margin: 1.6rem 0 0.65rem;
  font-size: 1.125rem;
}

.markdown h5 {
  margin: 1.4rem 0 0.6rem;
  font-size: 1rem;
}

.markdown h6 {
  margin: 1.2rem 0 0.5rem;
  color: #475569;
  font-size: 0.875rem;
  letter-spacing: 0;
}

.markdown h2 + *,
.markdown h3 + *,
.markdown h4 + * {
  margin-top: 0;
}

/* 3. Links */

.markdown a {
  color: var(--md-primary);
  text-decoration: underline;
  text-decoration-color: #bfdbfe;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition:
    color 160ms ease,
    text-decoration-color 160ms ease;
}

.markdown a:hover {
  color: #1d4ed8;
  text-decoration-color: currentColor;
}

.markdown a:focus-visible {
  outline: 2px solid #60a5fa;
  outline-offset: 3px;
  border-radius: 2px;
}

/* 4. Lists */

.markdown ul,
.markdown ol {
  margin: 0 0 1.4rem;
  padding-left: 1.65rem;
}

.markdown ul {
  list-style: disc;
}

.markdown ol {
  list-style: decimal;
}

.markdown ul ul {
  list-style: circle;
}

.markdown ul ul ul {
  list-style: square;
}

.markdown li {
  margin: 0.35rem 0;
  padding-left: 0.15rem;
}

.markdown li > ul,
.markdown li > ol {
  margin-top: 0.45rem;
  margin-bottom: 0.55rem;
}

.markdown li::marker {
  color: #64748b;
}

.markdown li > p {
  margin-bottom: 0.5rem;
}

/* Hugo / Goldmark task lists */

.markdown li:has(> input[type="checkbox"]) {
  list-style: none;
}

.markdown input[type="checkbox"] {
  margin-right: 0.5rem;
  accent-color: var(--md-primary);
}

/* 5. Blockquotes */

.markdown blockquote {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  color: #475569;
  background: var(--md-primary-soft);
  border-left: 4px solid #60a5fa;
  border-radius: 0 0.6rem 0.6rem 0;
}

.markdown blockquote > :last-child {
  margin-bottom: 0;
}

.markdown blockquote blockquote {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.65);
}

/* 6. Inline code */

.markdown :not(pre) > code {
  padding: 0.18em 0.4em;
  color: #be185d;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 0.3rem;
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

/* 7. Code blocks */

.markdown pre {
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 1.15rem 1.25rem;
  overflow-x: auto;
  color: var(--md-code-text);
  background: var(--md-code-bg);
  border: 1px solid #1e293b;
  border-radius: 0.8rem;
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.875rem;
  line-height: 1.75;
  tab-size: 2;
  -webkit-overflow-scrolling: touch;
}

.markdown pre code {
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  font: inherit;
  overflow-wrap: normal;
  white-space: pre;
}

/* Hugo syntax highlighting */

.markdown .highlight {
  max-width: 100%;
  margin: 1.5rem 0;
  overflow-x: auto;
  border-radius: 0.8rem;
}

.markdown .highlight pre {
  margin: 0;
}

.markdown .highlight table {
  width: auto;
  margin: 0;
  border: 0;
}

.markdown .highlight td {
  padding: 0;
  border: 0;
}

.markdown .highlight td:first-child {
  padding-right: 1rem;
  color: #64748b;
  user-select: none;
}

.markdown .chroma {
  overflow-x: auto;
  border-radius: 0.8rem;
}

/* 8. Tables */

.markdown table {
  display: block;
  width: 100%;
  margin: 1.5rem 0 2rem;
  overflow-x: auto;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--md-border);
  border-radius: 0.75rem;
  background: #fff;
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-overflow-scrolling: touch;
}

.markdown thead {
  background: #f1f5f9;
}

.markdown th,
.markdown td {
  min-width: 100px;
  padding: 0.8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-right: 1px solid var(--md-border);
  border-bottom: 1px solid var(--md-border);
}

.markdown th {
  color: #1e293b;
  font-weight: 700;
  white-space: normal;
}

.markdown tr:last-child td {
  border-bottom: 0;
}

.markdown th:last-child,
.markdown td:last-child {
  border-right: 0;
}

.markdown tbody tr:nth-child(even) {
  background: #f8fafc;
}

.markdown tbody tr:hover {
  background: #eff6ff;
}

.markdown td > :last-child,
.markdown th > :last-child {
  margin-bottom: 0;
}

/* 9. Images and figures */

.markdown img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.75rem auto;
  border-radius: 0.75rem;
}

.markdown figure {
  margin: 2rem 0;
}

.markdown figure img {
  margin: 0 auto;
}

.markdown figcaption {
  margin-top: 0.75rem;
  color: var(--md-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  text-align: center;
}

/* 10. Horizontal rule */

.markdown hr {
  height: 1px;
  margin: 2.5rem 0;
  border: 0;
  background: var(--md-border);
}

/* 11. Definition lists */

.markdown dl {
  margin: 1.5rem 0;
}

.markdown dt {
  margin-top: 1rem;
  color: var(--md-heading);
  font-weight: 700;
}

.markdown dd {
  margin: 0.35rem 0 0 1.25rem;
  color: #475569;
}

/* 12. Footnotes */

.markdown .footnotes {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--md-border);
  color: var(--md-muted);
  font-size: 0.9rem;
}

.markdown .footnotes ol {
  padding-left: 1.25rem;
}

.markdown sup {
  line-height: 0;
}

.markdown .footnote-ref {
  font-size: 0.8em;
}

.markdown .footnote-backref {
  margin-left: 0.25rem;
  text-decoration: none;
}

/* 13. KaTeX / MathJax, if installed */

.markdown .katex-display,
.markdown mjx-container[display="true"] {
  max-width: 100%;
  margin: 1.75rem 0;
  padding: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--md-surface);
  border: 1px solid var(--md-border);
  border-radius: 0.65rem;
}

/* 14. Optional callout blocks */

.markdown .callout {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--md-border);
  border-left: 4px solid #64748b;
  border-radius: 0.65rem;
  background: var(--md-surface);
}

.markdown .callout > :last-child {
  margin-bottom: 0;
}

.markdown .callout-title {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--md-heading);
  font-weight: 700;
}

.markdown .callout-info {
  background: #eff6ff;
  border-left-color: #3b82f6;
}

.markdown .callout-success {
  background: #f0fdf4;
  border-left-color: #22c55e;
}

.markdown .callout-warning {
  background: #fffbeb;
  border-left-color: #f59e0b;
}

.markdown .callout-danger {
  background: #fef2f2;
  border-left-color: #ef4444;
}

/* 15. Keyboard input */

.markdown kbd {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  color: #334155;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-bottom-width: 2px;
  border-radius: 0.3rem;
  font-family: inherit;
  font-size: 0.85em;
}

/* 16. Embedded media */

.markdown iframe,
.markdown video {
  max-width: 100%;
}

.markdown iframe {
  display: block;
  width: 100%;
  margin: 1.5rem 0;
  border: 0;
  border-radius: 0.75rem;
}

/* 17. Mobile and tablet */

@media (max-width: 768px) {
  .markdown {
    font-size: 15.5px;
    line-height: 1.85;
  }

  .markdown h2 {
    margin-top: 2.4rem;
  }

  .markdown h3 {
    margin-top: 1.7rem;
  }

  .markdown blockquote {
    padding: 0.9rem 1rem;
  }

  .markdown pre {
    padding: 1rem;
    font-size: 0.8125rem;
    border-radius: 0.65rem;
  }

  .markdown th,
  .markdown td {
    padding: 0.7rem 0.8rem;
  }

  .markdown img {
    margin: 1.25rem auto;
    border-radius: 0.55rem;
  }
}

/* 18. Reduced motion and print */

@media (prefers-reduced-motion: reduce) {
  .markdown a {
    transition: none;
  }
}

@media print {
  .markdown {
    color: #111827;
    font-size: 11pt;
  }

  .markdown a {
    color: inherit;
    text-decoration: underline;
  }

  .markdown pre,
  .markdown table,
  .markdown blockquote,
  .markdown img {
    break-inside: avoid;
  }

  .markdown pre {
    color: #111;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    white-space: pre-wrap;
  }
}