/*
 * Markdown rendering styles for City Optimise Society.
 * Extracted from the portfolio's styles.css so that assets/js/markdown.js
 * (copied verbatim) renders identically here. All the `.md-*` class names
 * come out of that renderer — keep the two in sync when editing either.
 */

.md-rotation-slot {
  width: 100%;
}

.md-columns {
  display: grid;
  gap: 2rem;
  margin: 1.5rem 0;
}

.md-column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  animation: md-column-enter 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.md-column:nth-child(1) { animation-delay: 0.15s; }

.md-column:nth-child(2) { animation-delay: 0.3s; }

.md-column:nth-child(3) { animation-delay: 0.45s; }

.md-column:nth-child(4) { animation-delay: 0.6s; }

.md-column:nth-child(5) { animation-delay: 0.75s; }

.md-column:nth-child(6) { animation-delay: 0.9s; }

.md-column:nth-child(n+7) { animation-delay: 1s; }

.md-column > p {
  margin: 0;
  line-height: 1.65;
  color: var(--text-soft);
}

.md-column > p:first-child {
  color: var(--text);
  font-weight: 400;
}

@media (max-width: 768px) {
  .md-columns {
      grid-template-columns: 1fr !important;
      gap: 1.5rem;
    }
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
  margin: 0 0 0.8rem;
  color: var(--text-strong);
}

.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  margin: 0 0 0.65rem;
  color: var(--text-strong);
}

.markdown-content h2 {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 500;
}

.markdown-content h4 {
  font-size: clamp(1.02rem, 2.1vw, 1.26rem);
}

.markdown-content h5 {
  font-size: clamp(0.96rem, 1.9vw, 1.12rem);
}

.markdown-content h6 {
  font-size: clamp(0.9rem, 1.7vw, 1.02rem);
}

.markdown-content p,
.markdown-content li {
  margin: 0 0 0.9rem;
  max-width: 72ch;
  color: var(--text-soft);
  line-height: 1.6;
  font-size: clamp(0.95rem, 1.8vw, 1.12rem);
}

.md-font-sm {
  font-size: 0.9rem;
  line-height: 1.45;
}

.md-font-xs {
  font-size: 0.85rem;
  line-height: 1.35;
}

.md-font-lg {
  font-size: 1.05rem;
  line-height: 1.5;
}

.markdown-content ul,
.markdown-content ol {
  padding-left: 1.2rem;
  margin: 0.2rem 0 0.9rem;
}

.markdown-content li > ul,
.markdown-content li > ol {
  margin: 0.25rem 0 0.35rem;
}

.markdown-content ol[type="i"] {
  list-style-type: lower-roman;
}

.markdown-content ol[type="I"] {
  list-style-type: upper-roman;
}

.markdown-content ol[type="a"] {
  list-style-type: lower-alpha;
}

.markdown-content ol[type="A"] {
  list-style-type: upper-alpha;
}

.markdown-content table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.3rem 0 1rem;
  background: var(--surface-solid);
  box-shadow: 2px 2px 0 rgba(20, 83, 45, 0.12);
}

.markdown-content th,
.markdown-content td {
  border: 1px solid var(--border);
  padding: 0.42rem 0.56rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
}

.markdown-content th {
  color: var(--text-strong);
  background: var(--hover);
}

.markdown-content pre {
  margin: 0.2rem 0 1rem;
  padding: 0;
  border: 0;
  overflow-x: auto;
}

.markdown-content .md-code-block {
  margin: 0.2rem 0 1rem;
  border: 2px solid var(--border);
  background: var(--code-surface);
  box-shadow: 2px 2px 0 rgba(20, 83, 45, 0.12);
  overflow: hidden;
}

.markdown-content .md-code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.42rem 0.56rem;
  border-bottom: 2px solid var(--border);
  background: var(--code-toolbar-surface);
}

.markdown-content .md-code-language {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  color: var(--text-strong);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.markdown-content .md-code-language::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--text);
  opacity: 0.5;
  flex-shrink: 0;
}

.markdown-content .md-code-copy {
  border: 2px solid var(--border);
  background: var(--surface-solid);
  color: var(--text);
  padding: 0.16rem 0.48rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 1px 1px 0 var(--shadow-strong);
  transition: background-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}

.markdown-content .md-code-copy:hover:not(:disabled),
.markdown-content .md-code-copy.is-copied {
  background: var(--hover);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--shadow-strong);
}

.markdown-content .md-code-copy:disabled {
  opacity: 0.8;
}

.markdown-content .md-code-pre {
  margin: 0;
}

.markdown-content a.md-link-preview,
.markdown-content div.md-link-preview {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  border: 2px solid var(--border);
  background: var(--surface-solid);
  box-shadow: 2px 2px 0 rgba(20, 83, 45, 0.12);
  margin: 0.2rem 0 1rem;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.markdown-content a.md-link-preview:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 rgba(20, 83, 45, 0.18);
}

.markdown-content .md-link-preview-image {
  flex-shrink: 0;
  width: 140px;
  max-width: 38%;
  overflow: hidden;
  border-right: 2px solid var(--border);
}

.markdown-content .md-link-preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.markdown-content .md-link-preview-favicon {
  width: 72px;
  max-width: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--hover);
}

.markdown-content .md-link-preview-favicon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.markdown-content .md-link-preview-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  min-width: 0;
}

.markdown-content .md-link-preview-domain {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-soft);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.markdown-content .md-link-preview-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.3;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.markdown-content .md-link-preview-desc {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.45;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

:root[data-theme="dark"] .markdown-content a.md-link-preview,
:root[data-theme="dark"] .markdown-content div.md-link-preview {
  background: var(--surface-solid);
  box-shadow: 2px 2px 0 var(--shadow-strong);
}

:root[data-theme="dark"] .markdown-content a.md-link-preview:hover {
  box-shadow: 3px 3px 0 var(--shadow-strong);
}

.markdown-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.markdown-content pre code.hljs {
  display: block;
  padding: 0.8rem 0.9rem;
  border-radius: 0;
}

:root[data-theme="light"] .markdown-content pre code.hljs {
  background: var(--code-text-surface);
  color: #0d2a0d;
}

.markdown-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0.5rem 0 1rem;
}

.markdown-content .md-image {
  display: block;
  max-width: min(100%, 72ch);
  height: auto;
  margin: 0.25rem 0 1rem;
}

.markdown-content .md-figure {
  display: block;
  width: fit-content;
  max-width: min(100%, 72ch);
  margin: 0.25rem 0 1rem;
}

.markdown-content .md-figure .md-image {
  margin-bottom: 0.4rem;
}

.markdown-content .md-figure-caption {
  display: block;
  color: var(--text-soft);
  font-size: 0.86rem;
  line-height: 1.45;
  max-width: 100%;
}

.markdown-content .md-image-align-center {
  margin-left: auto;
  margin-right: auto;
}

.markdown-content .md-figure.md-image-align-center {
  margin-left: auto;
  margin-right: auto;
}

.markdown-content .md-image-align-left {
  margin-left: 0;
  margin-right: auto;
}

.markdown-content .md-figure.md-image-align-left {
  margin-left: 0;
  margin-right: auto;
}

.markdown-content .md-image-align-right {
  margin-left: auto;
  margin-right: 0;
}

.markdown-content .md-figure.md-image-align-right {
  margin-left: auto;
  margin-right: 0;
}

.markdown-content .md-image-wrap-left {
  float: left;
  margin: 0.2rem 1rem 0.7rem 0;
  max-width: min(50%, 360px);
}

.markdown-content .md-figure.md-image-wrap-left {
  float: left;
  margin: 0.2rem 1rem 0.7rem 0;
  max-width: min(50%, 360px);
}

.markdown-content .md-image-wrap-right {
  float: right;
  margin: 0.2rem 0 0.7rem 1rem;
  max-width: min(50%, 360px);
}

.markdown-content .md-figure.md-image-wrap-right {
  float: right;
  margin: 0.2rem 0 0.7rem 1rem;
  max-width: min(50%, 360px);
}

.markdown-content .md-image-wrap-none {
  float: none;
  clear: both;
}

.markdown-content .md-figure.md-image-wrap-none {
  float: none;
  clear: both;
}

.markdown-content .md-footnotes {
  clear: both;
}

.markdown-content .md-footnotes ol {
  margin: 0.4rem 0 0.9rem;
  padding-left: 1.25rem;
}

.markdown-content .md-footnotes li {
  margin: 0 0 0.5rem;
  max-width: 72ch;
}

.markdown-content .md-footnote-ref {
  font-size: 0.78em;
  vertical-align: super;
}

.markdown-content .md-footnote-ref a,
.markdown-content .md-footnote-backref {
  text-decoration: none;
}

.markdown-content .md-footnote-backref {
  margin-left: 0.35rem;
}

.markdown-content .md-vspace {
  width: 100%;
  pointer-events: none;
}

.markdown-content.md-justified p,
.markdown-content.md-justified li,
.md-justified p,
.md-justified li {
  text-align: justify;
  hyphens: auto;
}

.md-accordion {
  border: 2px solid var(--border);
  background: linear-gradient(120deg,
    rgba(255, 238, 246, 0.45),
    rgba(229, 241, 255, 0.42),
    rgba(225, 249, 235, 0.42),
    rgba(255, 245, 215, 0.40));
  background-size: 260% 260%;
  box-shadow: 2px 2px 0 rgba(20, 83, 45, 0.15);
  margin: 0.35rem 0;
  animation: site-surface-gradient-flow 3.2s ease-in-out infinite;
}

.md-accordion summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-strong);
  cursor: pointer;
  user-select: none;
  transition: background 140ms ease, color 140ms ease;
}

.md-accordion summary::-webkit-details-marker { display: none; }

.md-accordion summary::before {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 200ms ease;
  flex-shrink: 0;
  margin-top: 1px;
}

.md-accordion[open] summary::before {
  transform: rotate(45deg);
  margin-top: -2px;
}

.md-accordion summary:hover {
  color: var(--text);
}

.md-accordion > ol,
.md-accordion > ul,
.md-accordion > p {
  margin: 0;
  padding: 0.1rem 0.75rem 0.65rem 2.1rem;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
}

.md-accordion > ol li,
.md-accordion > ul li {
  margin: 0;
  padding: 0;
}

:root[data-theme="dark"] .md-accordion {
  background: linear-gradient(120deg,
    rgba(30, 12, 22, 0.42),
    rgba(12, 22, 40, 0.40),
    rgba(10, 30, 18, 0.40),
    rgba(30, 24, 8, 0.38));
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] .md-accordion summary {
  color: var(--text-strong);
}

:root[data-theme="dark"] .markdown-content .md-code-block,
:root[data-theme="dark"] .markdown-content table {
}

:root[data-theme="dark"] .markdown-content .md-code-copy,
:root[data-theme="dark"] .markdown-content table {
  background: var(--surface-solid);
}

:root[data-theme="dark"] .markdown-content .md-code-block {
  background: var(--code-surface);
}

:root[data-theme="dark"] .markdown-content pre code.hljs {
  background: var(--code-text-surface);
  color: #d9ffe7;
}

@media (max-width: 768px) {
  .markdown-content pre code.hljs,
  .markdown-content .md-code-toolbar {
      padding: 0.5rem 0.6rem;
    }
}

.md-tooltip {
  cursor: help;
  border-bottom: 1px dashed currentColor;
  text-decoration: none;
}

.md-tooltip:focus {
  outline: 2px solid var(--accent, currentColor);
  outline-offset: 2px;
  border-radius: 2px;
}

:root[data-perf-mode="on"] .markdown-content .md-code-block,
:root[data-perf-mode="on"] .markdown-content table {
  animation: none !important;
}

.md-coverflow {
  position: relative;
  width: 100%;
  overflow: visible;
  padding: 0;
}

.md-coverflow-track {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
  perspective-origin: 50% 50%;
  min-height: 300px;
  overflow: hidden;
  background: linear-gradient(180deg, #1a1a1a 0%, #111 60%, #0a0a0a 100%);
  border-radius: 8px;
  transform-style: preserve-3d;
  cursor: default;
}

.md-coverflow-track:focus {
  outline: none;
}

.md-coverflow-track:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.25);
}

.md-coverflow-track::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 38%;
  background: linear-gradient(transparent 0%, rgba(0,0,0,0.65) 100%);
  pointer-events: none;
  z-index: 0;
}

.md-coverflow-slide {
  position: absolute;
  width: 44%;
  max-width: 340px;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.3s ease,
              box-shadow 0.3s ease;
  transform-style: preserve-3d;
  transform-origin: center center;
  user-select: none;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,0.55);
  /* Webkit reflection — creates the iTunes floor mirror */
  -webkit-box-reflect: below 3px
    -webkit-gradient(linear, left top, left bottom,
      from(transparent), color-stop(55%, transparent), to(rgba(0,0,0,0.50)));
}

.md-coverflow-slide.md-coverflow-active {
  box-shadow: 0 16px 48px rgba(0,0,0,0.72), 0 0 0 1px rgba(255,255,255,0.08);
  cursor: default;
  z-index: 20 !important;
}

.md-coverflow-img {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
  border-radius: 4px;
}

.md-coverflow-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.82));
  color: #fff;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  padding: 2em 0.8em 0.6em;
  text-align: center;
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.md-coverflow-slide.md-coverflow-active .md-coverflow-caption {
  opacity: 1;
}

.md-coverflow-prev,
.md-coverflow-next {
  position: absolute;
  bottom: 0.55em;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 50%;
  width: 2em;
  height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  color: rgba(255,255,255,0.80);
  transition: background 0.16s, transform 0.16s;
  z-index: 30;
  line-height: 1;
  padding-bottom: 1px;
}

.md-coverflow-prev { left: 50%; transform: translateX(calc(-50% - 1.4em)); }

.md-coverflow-next { left: 50%; transform: translateX(calc(-50% + 1.4em)); }

.md-coverflow-prev:hover,
.md-coverflow-next:hover {
  background: rgba(255,255,255,0.22);
}

.md-coverflow-prev:active { transform: translateX(calc(-50% - 1.4em)) scale(0.9); }

.md-coverflow-next:active { transform: translateX(calc(-50% + 1.4em)) scale(0.9); }

@media (max-width: 540px) {
  .md-coverflow-slide {
      width: 70%;
      max-width: none;
    }
}

.md-ipod-coverflow {
  position: relative;
  height: calc(min(300px, 56vw) + 5rem);
  padding: 2.5rem 0;
  overflow: hidden;
  background: #081014;
  perspective: 1000px;
  border-radius: 8px;
  outline: none;
}

.md-ipod-coverflow:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.22);
}

.md-ipod-cf-image {
  user-select: none;
  position: absolute;
  left: 50%;
  top: 2.5rem;
  width: min(400px, 72%);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  cursor: pointer;
  transform-origin: 50% 50%;
  transition: all 350ms cubic-bezier(0.215, 0.61, 0.355, 1);
}

.md-ipod-cf-prev,
.md-ipod-cf-next {
  cursor: pointer;
  z-index: 20;
  position: absolute;
  top: 50%;
  padding: 1.5rem 2rem;
  color: rgba(255,255,255,0.5);
  font-size: 3rem;
  line-height: 3rem;
  background: rgba(0,0,0,0);
  border: none;
  border-radius: 1rem;
  transform: translateY(-50%);
  transition: color 200ms, background 200ms;
}

.md-ipod-cf-prev:hover,
.md-ipod-cf-next:hover {
  color: rgba(255,255,255,0.9);
  background: rgba(0,0,0,0.5);
}

.md-ipod-cf-prev { left: 5%; }

.md-ipod-cf-next { right: 5%; }

.md-ipod-cf-caption {
  position: absolute;
  bottom: 0.5rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.02em;
  pointer-events: none;
  z-index: 25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4rem;
  transition: opacity 250ms ease;
}

@media (max-width: 540px) {
  .md-ipod-coverflow {
      height: calc(min(300px, 56vw) + 4rem);
      padding: 2rem 0;
    }
  .md-ipod-cf-image {
      top: 2rem;
      width: 80%;
    }
  .md-ipod-cf-prev,
  .md-ipod-cf-next {
      font-size: 2rem;
      line-height: 2rem;
      padding: 1rem 1.2rem;
    }
}

/* Keyframe used by ::columns blocks — lifted with the rules above. */
@keyframes md-column-enter {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/*
 * ── Local additions ──────────────────────────────────────────────
 * The portfolio's styles.css sized h3–h6 in page-specific selectors
 * that don't exist here, so they fell back to the browser default and
 * landed *below* body size. Set the scale explicitly.
 */

.markdown-content h1 {
  font-size: var(--step-3);
  font-weight: 400;
  line-height: 1.08;
}

.markdown-content h2 {
  font-size: var(--step-2);
  margin-top: 2.6rem;
}

.markdown-content h3 {
  font-size: var(--step-1);
  font-weight: 400;
  margin-top: 2rem;
}

.markdown-content h4 {
  font-size: var(--step-0);
  font-weight: 600;
  font-family: var(--font-text);
  letter-spacing: 0;
  margin-top: 1.6rem;
}

.markdown-content h5,
.markdown-content h6 {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 1.4rem;
}

/* First heading in a block shouldn't push away from the block's own top. */
.markdown-content > :first-child {
  margin-top: 0;
}

/* Tables need to scroll on their own rather than widen the page. */
.markdown-content table {
  display: block;
  overflow-x: auto;
  max-width: 100%;
}

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