/* Nebula 3.0 — long-form reading and Markdown */
.markdown,
.nb-markdown {
  color: var(--text);
  font-size: clamp(0.98rem, 1.2vw, 1.04rem);
  line-height: 1.88;
  overflow-wrap: anywhere;
  word-break: normal;
}

.markdown > *:first-child,
.nb-markdown > *:first-child {
  margin-top: 0;
}

.markdown > *:last-child,
.nb-markdown > *:last-child {
  margin-bottom: 0;
}

.markdown :is(h1, h2, h3, h4, h5, h6),
.nb-markdown :is(h1, h2, h3, h4, h5, h6) {
  position: relative;
  margin: 1.8em 0 0.72em;
  color: var(--text);
  font-weight: 740;
  line-height: 1.35;
  letter-spacing: -0.025em;
  scroll-margin-top: calc(var(--header-h) + 22px);
  text-wrap: balance;
}

.markdown h1,
.nb-markdown h1 {
  padding-bottom: 0.42em;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.65rem, 3.8vw, 2.2rem);
}

.markdown h2,
.nb-markdown h2 {
  padding-left: 0.72em;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.markdown h2::before,
.nb-markdown h2::before {
  position: absolute;
  top: 0.18em;
  bottom: 0.18em;
  left: 0;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.34);
  content: "";
}

.markdown h3,
.nb-markdown h3 {
  font-size: clamp(1.18rem, 2.2vw, 1.42rem);
}

.markdown h4,
.nb-markdown h4 {
  font-size: 1.08rem;
}

.markdown h5,
.nb-markdown h5,
.markdown h6,
.nb-markdown h6 {
  color: var(--text-soft);
  font-size: 0.98rem;
}

.markdown p,
.nb-markdown p {
  margin: 1em 0;
  color: var(--text-soft);
}

.markdown strong,
.nb-markdown strong {
  color: var(--text);
  font-weight: 760;
}

.markdown em,
.nb-markdown em {
  color: color-mix(in srgb, var(--text-soft) 78%, var(--syntax-amber));
}

.markdown a,
.nb-markdown a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-color: rgba(var(--accent-rgb), 0.38);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.markdown a:hover,
.nb-markdown a:hover {
  text-decoration-color: var(--accent-strong);
}

.markdown :is(ul, ol),
.nb-markdown :is(ul, ol) {
  margin: 1em 0;
  padding-left: 1.55em;
  color: var(--text-soft);
}

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

.markdown ol,
.nb-markdown ol {
  list-style: decimal;
}

.markdown li,
.nb-markdown li {
  padding-left: 0.16em;
}

.markdown li + li,
.nb-markdown li + li {
  margin-top: 0.38em;
}

.markdown li::marker,
.nb-markdown li::marker {
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 0.84em;
  font-variant-numeric: tabular-nums;
}

.markdown blockquote,
.nb-markdown blockquote {
  position: relative;
  margin: 1.35em 0;
  padding: 1em 1.2em 1em 1.25em;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: rgba(var(--accent-rgb), 0.04);
  color: var(--text-soft);
}

.markdown blockquote::before,
.nb-markdown blockquote::before {
  position: absolute;
  top: -0.18em;
  right: 0.25em;
  color: rgba(var(--accent-rgb), 0.1);
  content: "”";
  font-family: Georgia, serif;
  font-size: 4.5rem;
  line-height: 1;
}

.markdown blockquote > :first-child,
.nb-markdown blockquote > :first-child {
  margin-top: 0;
}

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

.markdown :not(pre) > code,
.nb-markdown :not(pre) > code {
  padding: 0.16em 0.4em;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(var(--accent-rgb), 0.07);
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 0.88em;
  word-break: break-word;
}

.markdown pre,
.nb-markdown pre {
  position: relative;
  margin: 1.45em 0;
  padding: 22px 20px;
  overflow: auto;
  border: 1px solid rgba(218, 255, 229, 0.11);
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(126, 231, 135, 0.025) 1px, transparent 1px),
    #07100c;
  background-size: 36px 100%;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
  color: #dce8e0;
  scrollbar-color: rgba(218, 255, 229, 0.16) transparent;
  tab-size: 2;
}

html[data-theme="light"] .markdown pre,
html[data-theme="light"] .nb-markdown pre {
  color-scheme: dark;
}

.markdown pre code,
.nb-markdown pre code {
  display: block;
  min-width: max-content;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.72;
}

.markdown img,
.nb-markdown img {
  width: auto;
  max-width: 100%;
  margin: 1.45em auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-panel);
}

.markdown figure,
.nb-markdown figure {
  margin: 1.5em 0;
}

.markdown figure img,
.nb-markdown figure img {
  margin-bottom: 0;
}

.markdown figcaption,
.nb-markdown figcaption {
  margin-top: 0.68em;
  color: var(--text-dim);
  font-size: 0.78rem;
  text-align: center;
}

.markdown table,
.nb-markdown table {
  display: block;
  width: max-content;
  max-width: 100%;
  margin: 1.45em 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-spacing: 0;
  border-radius: 12px;
  color: var(--text-soft);
  font-size: 0.88rem;
  scrollbar-color: var(--line-strong) transparent;
}

.markdown :is(th, td),
.nb-markdown :is(th, td) {
  min-width: 120px;
  padding: 10px 13px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

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

.markdown :is(th, td):last-child,
.nb-markdown :is(th, td):last-child {
  border-right: 0;
}

.markdown th,
.nb-markdown th {
  background: rgba(var(--accent-rgb), 0.055);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 760;
}

.markdown tr:nth-child(even) td,
.nb-markdown tr:nth-child(even) td {
  background: var(--glass-soft);
}

.markdown hr,
.nb-markdown hr {
  height: 1px;
  margin: 2.25em 0;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.markdown details,
.nb-markdown details {
  margin: 1.2em 0;
  padding: 0.9em 1em;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--glass-soft);
}

.markdown summary,
.nb-markdown summary {
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.markdown iframe,
.nb-markdown iframe,
.markdown video,
.nb-markdown video {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.markdown mark,
.nb-markdown mark {
  padding-inline: 0.15em;
  border-radius: 3px;
  background: rgba(255, 203, 107, 0.22);
  color: var(--text);
}

.markdown kbd,
.nb-markdown kbd {
  vertical-align: 0.05em;
}

@media (max-width: 520px) {
  .markdown,
  .nb-markdown {
    font-size: 0.96rem;
    line-height: 1.82;
  }

  .markdown pre,
  .nb-markdown pre {
    margin-inline: -7px;
    padding: 18px 15px;
    border-radius: 11px;
  }

  .markdown pre code,
  .nb-markdown pre code {
    font-size: 0.78rem;
  }
}