@layer reader, article, toast;
@layer reader {
body.reader-open {
  overflow: hidden;
}
#reader {
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  overflow: hidden;
}
#reader::backdrop {
  background: color-mix(in oklab, var(--bg) 84%, black 16%);
}
.reader-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: 100vw;
  max-width: 100vw;
  min-width: 0;
  height: 100dvh;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, color-mix(in oklab, var(--signal) 9%, transparent), transparent 26rem),
    radial-gradient(circle at 92% 12%, color-mix(in oklab, var(--violet) 14%, transparent), transparent 30rem),
    linear-gradient(var(--grid-soft) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(90deg, var(--grid-soft) 1px, transparent 1px) 0 0 / 30px 30px,
    var(--bg);
}
.reader-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .7rem;
  align-items: center;
  min-height: calc(64px + var(--safe-top));
  padding: var(--safe-top) clamp(.8rem, 2vw, 1.2rem) 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: blur(12px) saturate(1.15);
}
.reader-title {
  min-width: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reader-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .4rem;
}
.reader-progress {
  grid-column: 1 / -1;
  height: 2px;
  background: var(--line);
  overflow: hidden;
}
.reader-progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--signal), var(--gold), var(--violet));
  box-shadow: 0 0 20px color-mix(in oklab, var(--signal) 40%, transparent);
}
.reader-viewport {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
  padding-bottom: calc(2rem + var(--safe-bottom));
}
.reader-layout {
  display: grid;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: clamp(.8rem, 2vw, 1.25rem);
  width: 100%;
  max-width: 100vw;
  min-width: 0;
  min-height: min-content;
  overflow-x: hidden;
  padding: clamp(.8rem, 2vw, 1.25rem);
  align-items: start;
}
.toc-panel {
  position: sticky;
  top: clamp(.8rem, 2vw, 1.25rem);
  max-height: calc(100dvh - 104px - var(--safe-top));
  overflow: auto;
  padding: .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--panel) 88%, transparent);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
  min-width: 0;
  max-width: 100%;
}
.toc-panel::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 3rem;
  bottom: 1rem;
  width: 1px;
  background: linear-gradient(var(--signal), transparent);
  opacity: .25;
  pointer-events: none;
}
.toc-title {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.toc-list {
  display: grid;
  gap: .18rem;
  margin: .75rem 0 0;
  padding: 0;
  list-style: none;
}
.toc-list button {
  position: relative;
  width: 100%;
  min-height: 32px;
  padding: .35rem .45rem .35rem 1.15rem;
  border-left: 2px solid transparent;
  border-radius: 999px;
  color: var(--faint);
  text-align: left;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
  white-space: normal;
}
.toc-list button::before {
  content: "";
  position: absolute;
  left: .25rem;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  transform: translateY(-50%);
}
.toc-list button:hover,
.toc-list button.active {
  color: var(--ink);
  border-left-color: var(--gold);
  background: var(--panel-2);
}
.toc-list .h3 {
  padding-left: 1.75rem;
}
.toc-list .h4 {
  padding-left: 2.25rem;
}
.reader-card {
  width: min(100%, calc(100vw - 2rem));
  min-width: 0;
  max-width: var(--reader-width);
  margin: 0 auto;
  padding: clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, color-mix(in oklab, var(--signal) 5%, transparent), transparent 30%), var(--paper);
  box-shadow: var(--shadow);
}
@media (max-width: 1100px) {
  .reader-layout {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  }
  .reader-card {
    width: 100%;
    max-width: 100%;
  }
  .article-header h1 {
    font-size: clamp(1.6rem, 5.8vw, 2.6rem);
    overflow-wrap: anywhere;
  }
}
@media (max-width: 980px) {
  .reader-layout {
    grid-template-columns: minmax(0, 1fr);
    padding: .65rem;
  }
  .toc-panel {
    position: relative;
    top: auto;
    max-height: 190px;
  }
  .reader-card {
    width: 100%;
    max-width: 100%;
  }
}
@media (max-width: 680px) {
  .reader-bar {
    grid-template-columns: auto 1fr;
  }
  .reader-title {
    display: none;
  }
  .reader-controls {
    grid-column: 2;
    min-width: 0;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
  }
  .reader-controls::-webkit-scrollbar {
    display: none;
  }
  .reader-layout {
    gap: .65rem;
    padding: .65rem;
  }
  .toc-panel {
    max-width: 100%;
    max-height: 160px;
    padding: .65rem;
    overflow-x: hidden;
  }
  .reader-card {
    width: min(100%, calc(100vw - 1.3rem));
    max-width: calc(100vw - 1.3rem);
    padding: 1rem;
    border-radius: 18px;
  }
  .article-header,
  .article-content,
  .article-content > * {
    min-width: 0;
    max-width: 100%;
  }
  .article-header h1 {
    font-size: clamp(1.55rem, 8.8vw, 2.32rem);
    line-height: 1.08;
    overflow-wrap: anywhere;
  }
  .article-content {
    overflow-wrap: anywhere;
  }
}
}
@layer article {
.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}
.article-header h1 {
  margin: 0;
  color: var(--gold);
  font-size: clamp(1.85rem, 1.24rem + 2.1vw, 3.45rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.015em;
  text-wrap: balance;
  overflow-wrap: break-word;
}
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: .48rem;
  margin-top: 1.05rem;
}
.share-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: radial-gradient(circle at 34% 22%, var(--edge-light), transparent 40%), var(--panel);
  box-shadow: inset 0 1px 0 var(--edge-light);
  transition: transform .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
}
.share-button:hover,
.share-button:focus-visible {
  color: var(--ink);
  border-color: color-mix(in oklab, var(--signal) 44%, var(--line-strong));
  background: var(--panel-2);
  transform: translateY(-1px);
  box-shadow: 0 0 36px color-mix(in oklab, var(--signal) 12%, transparent), inset 0 1px 0 var(--edge-light);
}
.share-button svg {
  width: 17px;
  height: 17px;
}
.share-button svg path {
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.share-button.brand-linkedin svg path,
.share-button.brand-x svg path {
  fill: currentColor;
  stroke: none;
}
.share-button.brand-linkedin:hover,
.share-button.brand-linkedin:focus-visible {
  color: #0a66c2;
}
.share-button.brand-x:hover,
.share-button.brand-x:focus-visible {
  color: var(--ink);
}
.share-button.brand-email:hover,
.share-button.brand-email:focus-visible {
  color: var(--gold);
}
.article-content {
  font-size: calc(var(--text-reader) * var(--reader-scale));
  line-height: 1.78;
  color: var(--ink);
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.article-content > *:first-child {
  margin-top: 0;
}
.article-content p {
  max-width: 100%;
  margin: 0 0 1.2rem;
  overflow-wrap: break-word;
}
.article-content p + p {
  text-indent: 1.25em;
  margin-top: -.55rem;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  text-indent: 0;
  text-align: left;
  scroll-margin-top: 1.2rem;
}
.article-content h1 {
  font-size: clamp(1.35rem, 1.1rem + .8vw, 1.9rem);
}
.article-content h2 {
  position: relative;
  margin: 2.2rem 0 .8rem;
  padding-bottom: .42rem;
  border-bottom: 1px solid var(--line);
  color: var(--gold);
  font-size: clamp(1.2rem, 1.08rem + .45vw, 1.55rem);
  font-weight: 400;
  line-height: 1.2;
}
.article-content h2::before {
  content: "";
  position: absolute;
  left: -1.1rem;
  top: .52em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 18px var(--signal);
}
.article-content h3 {
  margin: 1.7rem 0 .7rem;
  color: var(--signal);
  font-size: 1.08em;
  font-style: italic;
  font-weight: 400;
}
.article-content h4 {
  margin: 1.4rem 0 .55rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .84em;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.article-content :is(h2, h3, h4) + p,
.article-content blockquote + p,
.article-content .katex-display + p,
.article-content pre + p,
.article-content ul + p,
.article-content ol + p,
.article-content figure + p {
  text-indent: 0;
}
.article-content a {
  color: var(--signal-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.45rem;
  text-align: left;
}
.article-content li {
  margin: .35rem 0;
}
.article-content blockquote {
  margin: 1.6rem 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--muted);
  font-style: italic;
  text-align: left;
}
.article-content pre {
  overflow: auto;
  margin: 1.35rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .86rem;
  line-height: 1.5;
  text-align: left;
}
.article-content code {
  font-family: var(--font-mono);
  font-size: .88em;
}
.article-content :not(pre) > code {
  padding: .05rem .28rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
}
.article-content :is(table, figure, .katex-display) {
  text-align: left;
}
.article-content .table-scroll {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  content-visibility: auto;
  contain-intrinsic-size: 420px 760px;
  overflow-x: auto;
  margin: 1.4rem 0 1.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}
.article-content table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: .86rem;
  line-height: 1.35;
  text-align: left;
}
.article-content caption {
  padding: .75rem .85rem;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-align: left;
  text-transform: uppercase;
}
.article-content th,
.article-content td {
  padding: .58rem .68rem;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
.article-content th {
  color: var(--ink);
  background: color-mix(in oklab, var(--signal) 6%, transparent);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.article-content tbody tr:nth-child(even) {
  background: color-mix(in oklab, var(--signal) 3%, transparent);
}
.article-content .references-list {
  display: grid;
  gap: .75rem;
  margin: .9rem 0 1.4rem;
  content-visibility: auto;
  contain-intrinsic-size: 640px 760px;
}
.article-content .reference-item {
  padding-left: 1.1rem;
  text-indent: -1.1rem;
  color: var(--muted);
  font-size: .9em;
  line-height: 1.55;
  text-align: left;
}
.article-content .article-note {
  margin-top: 2rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--muted);
  font-size: .92em;
  text-align: left;
  text-indent: 0;
}
.article-content .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  margin: 1.6rem 0;
  padding: .9rem;
  border: 1px solid color-mix(in oklab, var(--signal) 20%, var(--line));
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, color-mix(in oklab, var(--signal) 6%, transparent), transparent 36%), var(--panel);
}
.anchor-link {
  margin-left: .38rem;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: .72em;
  text-decoration: none !important;
  opacity: 0;
}
:is(h2, h3, h4):hover .anchor-link,
.anchor-link:focus-visible {
  opacity: 1;
}
.article-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.article-nav button {
  min-height: 70px;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--panel);
  text-align: left;
}
.article-nav button:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--panel-2);
}
.article-nav .kicker {
  display: block;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: .67rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.article-nav .name {
  display: block;
  margin-top: .25rem;
  font-size: .95rem;
  line-height: 1.25;
}
@media (max-width: 680px) {
  .reader-bar {
    backdrop-filter: none;
  }
  .article-content {
    text-align: left;
    hyphens: manual;
    -webkit-hyphens: manual;
  }
  .article-nav {
    grid-template-columns: 1fr;
  }
}
}
@layer toast {
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.1rem + var(--safe-bottom));
  z-index: 500;
  transform: translate(-50%, 12px);
  opacity: 0;
  pointer-events: none;
  padding: .7rem .95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: var(--panel-3);
  box-shadow: var(--shadow);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.copy-fallback {
  position: fixed;
  left: 50%;
  bottom: calc(4.2rem + var(--safe-bottom));
  z-index: 501;
  width: min(560px, calc(100vw - 2rem));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .5rem;
  padding: .6rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel-3);
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}
.copy-fallback input {
  min-width: 0;
  height: 38px;
  padding: 0 .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: .76rem;
}
}