/* Blog index and WebGL liquid-glass article reader */

.blog-index-path {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin: 0 0 9px;
  padding: 4px 7px;
  border: 2px solid;
  border-color: var(--window-dark) var(--window-light) var(--window-light) var(--window-dark);
  background: #eee1ea;
  color: var(--muted);
  font-family: var(--pixel);
  font-size: 8px;
}

.blog-index-path .cursor-block {
  width: 6px;
  height: 10px;
  margin-left: 3px;
}

.blog-file-link {
  display: inline-block;
  padding: 2px 1px;
}

.blog-index-hint {
  margin: 12px 0 0;
  padding: 7px 8px;
  border-left: 3px solid #b95c94;
  background: #f4e6ef;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

body.article-reader-open .desktop {
  transform: scale(.965);
  filter: blur(2px) saturate(.72) brightness(.60);
  transition: transform 420ms cubic-bezier(.2,.8,.2,1), filter 420ms ease;
}

.article-reader {
  --article-font-scale: 1;
  position: fixed;
  inset: 0;
  z-index: 9999;
  overflow: hidden;
  color: #f8f1fb;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  opacity: 0;
  transform: scale(.985);
  transition: opacity 260ms ease, transform 420ms cubic-bezier(.2,.82,.2,1);
}

.article-reader.is-open {
  opacity: 1;
  transform: scale(1);
}

.article-glass-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.article-reader-stage {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 218px;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 13px 16px;
  width: min(1320px, calc(100vw - 40px));
  height: calc(100dvh - 32px);
  margin: 16px auto;
}

.article-control-bar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
}

.control-spacer {
  flex: 1;
}

.legacy-glass-control {
  position: relative;
  min-width: 70px;
  height: 38px;
  padding: 0 15px;
  border: 0;
  border-radius: 19px;
  background: transparent;
  color: rgba(255, 250, 255, .96);
  font-family: var(--pixel, monospace);
  font-size: 9px;
  line-height: 1;
  letter-spacing: .01em;
  text-shadow: 0 1px 8px rgba(13, 2, 25, .92);
  cursor: pointer;
  isolation: isolate;
  -webkit-tap-highlight-color: transparent;
}

.legacy-glass-control::after {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: inset 0 1px rgba(255,255,255,.12), 0 8px 24px rgba(5,3,20,.14);
  pointer-events: none;
}

.legacy-glass-control:hover {
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 178, 228, .70), 0 1px 8px rgba(13, 2, 25, .92);
}

.legacy-glass-control:active {
  transform: translateY(1px) scale(.985);
}

.legacy-glass-control:focus-visible {
  outline: 1px solid rgba(255,255,255,.86);
  outline-offset: 3px;
}

.control-back { min-width: 118px; }
.control-font { min-width: 46px; padding-inline: 10px; }
.control-close { min-width: 42px; padding: 0; font-size: 13px; }

.article-glass-shell {
  --article-safe-x: 44px;
  position: relative;
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-radius: 44px;
  background: rgba(12, 9, 30, .035);
  box-shadow:
    0 34px 90px rgba(2, 3, 20, .48),
    inset 0 1px 0 rgba(255,255,255,.08),
    inset 0 -1px 0 rgba(18, 8, 35, .24);
}

.article-progress-track {
  position: absolute;
  z-index: 5;
  top: 0;
  left: 44px;
  right: 44px;
  height: 2px;
  overflow: hidden;
  background: rgba(255,255,255,.08);
}

.article-progress-track span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, #ff70bd, #bf8aff 52%, #75eaff);
  box-shadow: 0 0 10px rgba(214, 133, 255, .70);
  transition: transform 90ms linear;
}

.article-scroll {
  position: absolute;
  inset: 0;
  box-sizing: border-box;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-inline: var(--article-safe-x);
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(229,183,232,.45) transparent;
}

.article-scroll::-webkit-scrollbar { width: 9px; }
.article-scroll::-webkit-scrollbar-track { background: transparent; }
.article-scroll::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 99px;
  background: rgba(231, 188, 234, .46);
  background-clip: padding-box;
}

.article-document {
  box-sizing: border-box;
  width: 100%;
  max-width: 780px;
  min-width: 0;
  margin: 0 auto;
  padding: 62px 0 88px;
  font-size: calc(17px * var(--article-font-scale));
  line-height: 1.82;
  text-rendering: optimizeLegibility;
}

.article-document,
.article-document * {
  max-width: 100%;
}

.article-document p,
.article-document li,
.article-document blockquote,
.article-document h1,
.article-document h2,
.article-document h3,
.article-document code {
  overflow-wrap: anywhere;
  word-break: normal;
}

.article-header {
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}

.article-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(246, 215, 242, .72);
  font-family: var(--pixel, monospace);
  font-size: 9px;
  letter-spacing: .04em;
}

.article-kicker i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #78eafa;
  box-shadow: 0 0 8px rgba(120,234,250,.78);
}

.article-header h1 {
  max-width: 760px;
  margin: 20px 0 18px;
  color: #fffafd;
  font-size: clamp(32px, 4.2vw, 58px);
  line-height: 1.10;
  letter-spacing: -.045em;
  text-wrap: balance;
  text-shadow: 0 4px 26px rgba(14, 3, 27, .48);
}

.article-summary {
  max-width: 680px;
  margin: 0;
  color: rgba(246, 232, 247, .72);
  font-size: calc(18px * var(--article-font-scale));
  line-height: 1.65;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-top: 28px;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 11px;
}

.article-author img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(255,255,255,.22), 0 8px 24px rgba(5,2,16,.25);
}

.article-author span,
.article-author b,
.article-author small { display: block; }
.article-author b { color: rgba(255,255,255,.92); font-size: 13px; }
.article-author small { margin-top: 3px; color: rgba(240,218,239,.60); font-size: 11px; }
.article-meta-code { color: rgba(221,193,231,.55); font-family: var(--pixel, monospace); font-size: 8px; text-align: right; }
.article-body { padding-top: 36px; }

.article-body p,
.article-body ul,
.article-body blockquote,
.article-body .article-code,
.article-body .article-callout { margin-top: 0; margin-bottom: 1.25em; }

.article-body p { color: rgba(252, 246, 252, .88); }
.article-lead { color: rgba(255, 250, 255, .95) !important; font-size: calc(20px * var(--article-font-scale)); line-height: 1.72; }

.article-body h2 {
  position: relative;
  margin: 2.25em 0 .80em;
  padding-left: 18px;
  color: #fff;
  font-size: calc(27px * var(--article-font-scale));
  line-height: 1.28;
  letter-spacing: -.025em;
  scroll-margin-top: 48px;
}

.article-body h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .20em;
  width: 4px;
  height: 1.05em;
  border-radius: 4px;
  background: linear-gradient(180deg, #ff79bf, #a985ff 55%, #74e6f6);
  box-shadow: 0 0 14px rgba(211,117,240,.36);
}

.article-body h3 { margin: 1.8em 0 .65em; color: #fff8fd; font-size: calc(21px * var(--article-font-scale)); scroll-margin-top: 48px; }
.article-body ul { padding-left: 1.4em; color: rgba(250,242,250,.86); }
.article-body li { margin: .48em 0; padding-left: .28em; }
.article-body li::marker { color: #7de9f6; }

.article-body code {
  padding: .12em .35em;
  border: 1px solid rgba(224,174,230,.20);
  border-radius: 5px;
  background: rgba(26, 14, 48, .46);
  color: #ffd4ed;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .88em;
}

.article-body blockquote {
  position: relative;
  padding: 19px 22px 19px 25px;
  border-left: 3px solid #e871b3;
  background: linear-gradient(90deg, rgba(142, 54, 126, .18), rgba(71, 87, 148, .08));
  color: rgba(255, 235, 249, .88);
  font-size: calc(18px * var(--article-font-scale));
  line-height: 1.72;
}

.article-code {
  overflow: hidden;
  border: 1px solid rgba(202, 165, 224, .18);
  border-radius: 18px;
  background: rgba(7, 10, 30, .72);
  box-shadow: inset 0 1px rgba(255,255,255,.045), 0 18px 44px rgba(2,3,17,.18);
}

.code-title {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: rgba(218,190,230,.65);
  font-family: var(--pixel, monospace);
  font-size: 8px;
}

.article-code pre { overflow: auto; margin: 0; padding: 18px; color: rgba(221, 237, 255, .86); font-size: 13px; line-height: 1.65; }
.article-code code { padding: 0; border: 0; background: transparent; color: inherit; }

.article-callout {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  background: rgba(58, 34, 86, .20);
}

.article-callout strong { color: #ffd5ed; }
.article-callout span { color: rgba(247,237,247,.80); }

.article-ending {
  margin-top: 62px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(237,214,236,.58);
  text-align: center;
}

.article-ending span { font-family: var(--pixel, monospace); font-size: 9px; letter-spacing: .14em; }
.article-ending p { margin: 10px 0 0; font-size: 12px; }

.article-toc {
  grid-column: 2;
  grid-row: 2;
  align-self: start;
  max-height: calc(100dvh - 98px);
  overflow: auto;
  padding: 18px 15px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 26px;
  background: rgba(28, 16, 50, .42);
  box-shadow: inset 0 1px rgba(255,255,255,.08), 0 24px 68px rgba(2,3,18,.24);
  backdrop-filter: blur(18px) saturate(122%);
}

.toc-title {
  padding-bottom: 11px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  color: rgba(247,224,244,.72);
  font-family: var(--pixel, monospace);
  font-size: 8px;
}

.toc-links { display: grid; gap: 3px; margin-top: 10px; }

.toc-links a {
  position: relative;
  padding: 7px 8px 7px 13px;
  border-radius: 9px;
  color: rgba(239,225,241,.58);
  font-size: 11px;
  line-height: 1.42;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.toc-links a::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(214,171,222,.38);
  transform: translateY(-50%);
}

.toc-links a:hover,
.toc-links a.is-active { color: #fff; background: rgba(194, 101, 177, .15); }
.toc-links a.is-active::before { background: #77ebf7; box-shadow: 0 0 8px rgba(119,235,247,.84); }
.toc-level-h3 { margin-left: 10px; font-size: 10px !important; }

.toc-reading {
  display: flex;
  justify-content: space-between;
  margin-top: 13px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.10);
  color: rgba(237,217,238,.62);
  font-family: var(--pixel, monospace);
  font-size: 8px;
}

.toc-reading strong { color: #87eef7; font-weight: 400; }

.glass-fallback {
  background:
    radial-gradient(circle at 22% 18%, rgba(255,85,190,.28), transparent 35%),
    radial-gradient(circle at 82% 25%, rgba(60,191,255,.24), transparent 37%),
    linear-gradient(180deg, #190b27, #181d48);
}

.glass-fallback .article-glass-shell {
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(28,20,53,.64);
  backdrop-filter: blur(24px) saturate(130%);
}

.glass-fallback .legacy-glass-control {
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(50,30,80,.44);
  backdrop-filter: blur(12px);
}

@media (max-width: 1020px) {
  .article-reader-stage { grid-template-columns: minmax(0, 1fr) 190px; width: min(980px, calc(100vw - 24px)); }
  .article-glass-shell { --article-safe-x: 36px; }
  .article-document { max-width: 720px; }
  .legacy-glass-control { min-width: 61px; padding-inline: 11px; }
  .control-back { min-width: 105px; }
  .control-font, .control-close { min-width: 42px; }
}

@media (max-width: 820px) {
  .article-reader-stage { display: block; width: calc(100vw - 18px); height: calc(100dvh - 18px); margin: 9px auto; }
  .article-control-bar { position: absolute; z-index: 7; top: 8px; left: 10px; right: 10px; gap: 5px; }
  .article-control-bar [data-reader-action="previous"],
  .article-control-bar [data-reader-action="next"] { display: none; }
  .article-glass-shell {
    --article-safe-x: 30px;
    position: absolute;
    inset: 0;
    border-radius: 30px;
  }
  .article-progress-track { left: 30px; right: 30px; }
  .article-scroll { padding-top: 48px; }
  .article-document { max-width: 680px; padding: 46px 0 70px; }
  .article-toc {
    position: absolute;
    z-index: 9;
    left: 14px;
    right: 14px;
    bottom: 14px;
    max-height: min(62dvh, 520px);
    border-radius: 24px;
    transform: translateY(calc(100% + 30px));
    opacity: 0;
    pointer-events: none;
    transition: transform 300ms cubic-bezier(.2,.8,.2,1), opacity 220ms ease;
  }
  .article-reader.toc-open .article-toc { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .control-spacer { flex: 1; }
}

@media (max-width: 560px) {
  .legacy-glass-control { min-width: 44px; height: 36px; padding-inline: 9px; font-size: 8px; }
  .control-back { min-width: 88px; }
  .article-control-bar { gap: 3px; }
  .article-document { font-size: calc(16px * var(--article-font-scale)); }
  .article-header h1 { font-size: clamp(30px, 9.5vw, 43px); }
  .article-summary { font-size: calc(16px * var(--article-font-scale)); }
  .article-lead { font-size: calc(18px * var(--article-font-scale)); }
  .article-body h2 { font-size: calc(24px * var(--article-font-scale)); }
  .article-meta { align-items: flex-start; }
  .article-meta-code { display: none; }
  .article-callout { grid-template-columns: 1fr; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  .article-reader,
  .article-toc,
  body.article-reader-open .desktop { transition: none !important; }
  .article-progress-track span { transition: none; }
}