:root {
  --bg: #f3f8f8;
  --panel: #fffefd;
  --sidebar: #26363d;
  --sidebar-muted: #a6bdc3;
  --text: #29363b;
  --muted: #6d8188;
  --border: #dfeaec;
  --accent: #5caec0;
  --accent-soft: #dff2f4;
  --accent-strong: #357d8f;
  --code-bg: #26343a;
  --shadow: 0 10px 35px rgba(69, 107, 118, 0.10);
}

:root[data-theme="night"] {
  --bg: #101b20;
  --panel: #18272d;
  --sidebar: #0d171b;
  --sidebar-muted: #87a9b2;
  --text: #dcebee;
  --muted: #9eb4ba;
  --border: #294148;
  --accent: #8ad9e5;
  --accent-soft: #1e3b43;
  --accent-strong: #b9f0f5;
  --code-bg: #091316;
  --shadow: 0 12px 42px rgba(0, 0, 0, 0.30);
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "LXGW WenKai Screen", "Noto Serif SC", "Segoe UI", sans-serif;
  line-height: 1.78;
  margin: 0;
}

body.spinner-locked {
  --unlock-progress: 0;
  overflow: hidden;
}

body.spinner-unlocked,
body.spinner-skip,
body.spinner-burst {
  --unlock-progress: 1;
}

.spinner-locked .site-sidebar,
.spinner-locked .mobile-header,
.spinner-locked .page-shell,
.spinner-locked .right-panel,
.spinner-locked .theme-toggle,
.spinner-locked .site-footer,
.spinner-locked .back-to-top {
  filter: blur(calc((1 - var(--unlock-progress)) * 12px));
  pointer-events: none;
  transform: scale(calc(0.985 + var(--unlock-progress) * 0.015));
}

.spinner-gate {
  align-items: center;
  background:
    radial-gradient(circle at center, rgba(138, 217, 229, 0.12), transparent 34%),
    rgba(10, 22, 26, calc(0.88 - var(--unlock-progress, 0) * 0.78));
  cursor: crosshair;
  display: flex;
  inset: 0;
  justify-content: center;
  opacity: calc(1 - var(--unlock-progress, 0));
  position: fixed;
  touch-action: none;
  transition: opacity 0.35s ease;
  user-select: none;
  z-index: 9999;
}

.spinner-unlocked .spinner-gate,
.spinner-skip .spinner-gate {
  opacity: 0;
  pointer-events: none;
}

.spinner-burst .spinner-gate {
  animation: gate-fadeout 0.7s ease forwards;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.38), transparent 13%),
    radial-gradient(circle at center, rgba(138, 217, 229, 0.26), transparent 44%),
    rgba(10, 22, 26, 0.18);
  opacity: 1;
  pointer-events: none;
}

.spinner-stage {
  align-items: center;
  display: flex;
  height: min(72vmin, 560px);
  justify-content: center;
  position: relative;
  width: min(72vmin, 560px);
}

.spinner-approach {
  border: 3px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  box-shadow:
    0 0 34px rgba(138, 217, 229, 0.48),
    inset 0 0 28px rgba(138, 217, 229, 0.22);
  height: 100%;
  position: absolute;
  width: 100%;
}

.spinner-burst .spinner-approach {
  animation: approach-burst 0.68s ease forwards;
}

.spinner-disc {
  align-items: center;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.96) 0 7%, transparent 8%),
    conic-gradient(from 0deg, rgba(138, 217, 229, 0.95), rgba(191, 220, 218, 0.92), rgba(244, 214, 166, 0.86), rgba(154, 207, 211, 0.92), rgba(138, 217, 229, 0.95));
  border: 2px solid rgba(255, 255, 255, 0.68);
  border-radius: 50%;
  box-shadow: 0 0 70px rgba(138, 217, 229, 0.28);
  display: flex;
  height: 54%;
  justify-content: center;
  position: relative;
  width: 54%;
}

.spinner-burst .spinner-disc {
  animation: disc-burst 0.68s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.spinner-disc::before {
  background: radial-gradient(circle, rgba(10, 22, 26, 0.76) 0 58%, transparent 59%);
  border-radius: 50%;
  content: "";
  inset: 16%;
  position: absolute;
}

.spinner-orbit-dot {
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 18px var(--accent);
  height: 16px;
  position: absolute;
  right: 10%;
  top: calc(50% - 8px);
  width: 16px;
}

.spinner-crosshair {
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 50%;
  height: 34%;
  position: absolute;
  top: 33%;
  width: 34%;
}

.spinner-crosshair::before,
.spinner-crosshair::after {
  background: rgba(255, 255, 255, 0.46);
  content: "";
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.spinner-crosshair::before {
  height: 1px;
  width: 150%;
}

.spinner-crosshair::after {
  height: 150%;
  width: 1px;
}

.spinner-copy {
  color: #fff;
  left: 0;
  position: absolute;
  right: 0;
  text-align: center;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.spinner-kicker {
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.24em;
  margin: 0;
}

.spinner-count {
  font-size: clamp(2.4rem, 9vw, 4.8rem);
  font-weight: 900;
  line-height: 1;
  margin: 0.4rem 0;
}

.spinner-hint {
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

.spinner-gate .spinner-skip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 0.32rem 0.78rem;
  position: absolute;
  top: calc(50% + min(24vmin, 170px));
  text-transform: lowercase;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.spinner-gate .spinner-skip:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
}

@keyframes disc-burst {
  0% {
    filter: brightness(1);
    transform: scale(1);
  }

  45% {
    filter: brightness(1.7);
    transform: scale(1.08);
  }

  100% {
    filter: brightness(1.1);
    opacity: 0;
    transform: scale(1.42);
  }
}

@keyframes approach-burst {
  from {
    opacity: 0.9;
    transform: scale(1);
  }

  to {
    opacity: 0;
    transform: scale(1.28);
  }
}

@keyframes gate-fadeout {
  0% {
    opacity: 1;
  }

  68% {
    opacity: 0.72;
  }

  100% {
    opacity: 0;
  }
}

a {
  color: var(--accent);
  text-decoration: none;
}

.theme-toggle {
  align-items: center;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  gap: 0.52rem;
  padding: 0.42rem 0.72rem 0.42rem 0.48rem;
  position: fixed;
  right: 1.5rem;
  top: 1.35rem;
  z-index: 60;
}

.theme-toggle-track {
  background: linear-gradient(135deg, #f3d9a0, #a8dbe2);
  border-radius: 999px;
  display: inline-flex;
  height: 24px;
  padding: 3px;
  width: 46px;
}

.theme-toggle-orb {
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
  height: 18px;
  transform: translateX(0);
  transition: transform 0.22s ease;
  width: 18px;
}

:root[data-theme="night"] .theme-toggle-track {
  background: linear-gradient(135deg, #152a31, #8ad9e5);
}

:root[data-theme="night"] .theme-toggle-orb {
  transform: translateX(22px);
}

.theme-toggle-label {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

a:hover {
  text-decoration: underline;
}

.site-sidebar {
  background: var(--sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  height: 100vh;
  left: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 2.4rem 1.8rem;
  position: fixed;
  scrollbar-color: rgba(166, 189, 195, 0.45) transparent;
  scrollbar-width: thin;
  top: 0;
  width: 260px;
}

.site-sidebar::-webkit-scrollbar {
  width: 7px;
}

.site-sidebar::-webkit-scrollbar-thumb {
  background: rgba(166, 189, 195, 0.38);
  border-radius: 999px;
}

.brand {
  color: #fff;
  display: grid;
  gap: 0.75rem;
  justify-items: center;
  margin-bottom: 1.2rem;
  text-align: center;
}

.avatar {
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  height: 96px;
  object-fit: cover;
  width: 96px;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-subtitle,
.sidebar-footer {
  color: var(--sidebar-muted);
  font-size: 0.86rem;
}

.profile-links {
  display: flex;
  gap: 0.65rem;
  justify-content: center;
  margin: 0 0 2.2rem;
}

.profile-links a {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: #d7dce5;
  display: inline-flex;
  height: 38px;
  justify-content: center;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
  width: 38px;
}

.profile-links a:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-2px);
}

.profile-links svg {
  fill: currentColor;
  height: 18px;
  width: 18px;
}

.site-nav {
  display: grid;
  gap: 0.25rem;
}

.site-nav a {
  border-radius: 0.65rem;
  color: #d7dce5;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.66rem 1rem;
  text-transform: uppercase;
}

.site-nav a.active,
.site-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-decoration: none;
}

.sidebar-footer {
  display: grid;
  gap: 0.35rem;
  margin-top: 1.6rem;
}

.site-stats {
  display: flex;
  gap: 0.55rem;
}

.site-stats span {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: #d7dce5;
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
}

.site-stats strong {
  color: #fff;
}

.site-footer {
  display: flex;
  justify-content: center;
  margin-left: 260px;
  padding: 0 3rem 2rem;
}

.site-footer .site-stats {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 0.32rem;
}

.site-footer .site-stats span {
  background: color-mix(in srgb, var(--accent) 11%, var(--panel));
  color: var(--muted);
}

.site-footer .site-stats strong {
  color: var(--text);
}

.site-stats [data-counter="blocked"] strong,
.page-view-count[data-counter="blocked"] strong {
  color: var(--muted);
}

.site-stats [data-counter="blocked"] strong::after,
.page-view-count[data-counter="blocked"] strong::after {
  content: " unavailable";
  font-weight: 600;
}

.mobile-header {
  display: none;
}

.page-shell {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr) 260px;
  margin-left: 260px;
  min-height: 100vh;
  padding: 3rem;
}

.content-pane {
  margin: 0 auto;
  max-width: 850px;
  width: 100%;
}

.right-panel {
  align-self: start;
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 2rem;
}

.page-title {
  margin: 0 0 2rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  margin: 0 0 0.4rem;
  text-transform: uppercase;
}

.page-title h1,
.post-hero h1 {
  color: var(--text);
  font-size: clamp(1.75rem, 4.2vw, 2.75rem);
  line-height: 1.1;
  margin: 0;
}

.post-card,
.project-card,
.category-card,
.post-article,
.panel-card,
.not-found-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.post-card {
  padding: 1.6rem 1.8rem;
}

.post-list {
  display: grid;
  gap: 1rem;
}

.post-card-title {
  color: var(--text);
  display: block;
  font-size: 1.18rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.post-card p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.post-card-meta,
.post-meta-line {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.88rem;
  gap: 0.6rem 1rem;
}

.post-card-meta a,
.post-meta-line a {
  color: var(--muted);
}

.section-block {
  margin-top: 2rem;
}

.home-about-block {
  margin: 0 0 1rem;
}

.home-meta-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 2rem;
}

.home-meta-card {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 58%),
    var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 1.35rem 1.55rem;
}

.home-meta-card h2 {
  color: var(--text);
  font-size: 1.22rem;
  margin: 0 0 0.45rem;
}

.home-meta-card p {
  color: var(--muted);
  margin: 0;
}

.section-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 0 0.85rem;
}

.section-heading .eyebrow {
  margin: 0;
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.category-list {
  display: grid;
  gap: 1rem;
}

.category-card {
  align-items: center;
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
  padding: 1.45rem 1.65rem;
}

.category-card h2 {
  color: var(--text);
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
}

.category-card p {
  color: var(--muted);
  margin: 0;
}

.category-links {
  display: grid;
  gap: 0.35rem;
  justify-items: end;
}

.archive-timeline {
  display: grid;
  gap: 1.35rem;
}

.archive-year {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 1.45rem 1.65rem;
}

.archive-year h2 {
  color: var(--text);
  font-size: 1.45rem;
  margin: 0 0 1rem;
}

.archive-list {
  display: grid;
  gap: 0.7rem;
}

.archive-item {
  align-items: baseline;
  border-left: 2px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  display: grid;
  gap: 0.4rem;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  padding-left: 1rem;
}

.archive-item time,
.archive-item span {
  color: var(--muted);
  font-size: 0.86rem;
}

.archive-item a {
  color: var(--text);
  font-weight: 800;
}

.project-card {
  padding: 1.6rem 1.8rem;
}

.project-card.compact {
  align-items: center;
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
}

.project-kicker {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.project-card h2 {
  color: var(--text);
  font-size: 1.35rem;
  margin: 0 0 0.45rem;
}

.project-card p {
  color: var(--muted);
  margin: 0;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.project-actions a,
.project-link {
  background: var(--accent-soft);
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
}

.project-actions a:hover,
.project-link:hover {
  background: color-mix(in srgb, var(--accent) 22%, var(--panel));
  text-decoration: none;
}

.post-article {
  overflow: hidden;
}

.post-hero {
  border-bottom: 1px solid var(--border);
  padding: 2.4rem 2.6rem 1.8rem;
}

.post-tags-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.post-tags-inline a,
.tag-pill {
  background: color-mix(in srgb, var(--accent) 13%, var(--panel));
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.22rem 0.65rem;
}

.markdown-body {
  padding: 2.2rem 2.6rem 3rem;
}

.markdown-body h1 {
  display: none;
}

.markdown-body h2 {
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 1.55rem;
  margin-top: 2.4rem;
  padding-bottom: 0.45rem;
}

.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  scroll-margin-top: 1rem;
}

.heading-anchor {
  color: var(--accent);
  font-size: 0.72em;
  margin-left: 0.45rem;
  opacity: 0;
  text-decoration: none;
  transition: opacity 0.16s ease;
}

.markdown-body h2:hover .heading-anchor,
.markdown-body h3:hover .heading-anchor,
.markdown-body h4:hover .heading-anchor,
.heading-anchor:focus,
.heading-anchor[data-copied="true"] {
  opacity: 1;
}

.heading-anchor[data-copied="true"]::after {
  color: var(--muted);
  content: " copied";
  font-size: 0.72rem;
  font-weight: 700;
  margin-left: 0.25rem;
}

.markdown-body p,
.markdown-body li {
  color: var(--text);
}

.markdown-body img {
  border-radius: 0.85rem;
  box-shadow: var(--shadow);
  display: block;
  height: auto;
  margin: 1.2rem auto;
  max-width: 100%;
}

.markdown-body pre {
  background: var(--code-bg);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 0.85rem;
  color: #e8edf7;
  line-height: 1.62;
  overflow-x: auto;
  padding: 2.2rem 1.15rem 1rem;
  position: relative;
}

.markdown-body pre::before {
  color: color-mix(in srgb, var(--accent) 72%, #ffffff);
  content: attr(data-language);
  font-size: 0.68rem;
  font-weight: 900;
  left: 1rem;
  letter-spacing: 0.12em;
  position: absolute;
  text-transform: uppercase;
  top: 0.72rem;
}

.markdown-body code {
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  border-radius: 0.35rem;
  color: #cf3f4f;
  padding: 0.12rem 0.32rem;
}

.markdown-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.markdown-body .token.comment,
.markdown-body .token.prolog,
.markdown-body .token.doctype,
.markdown-body .token.cdata {
  color: #8ea4aa;
}

.markdown-body .token.punctuation {
  color: #d4e3e7;
}

.markdown-body .token.property,
.markdown-body .token.tag,
.markdown-body .token.boolean,
.markdown-body .token.number,
.markdown-body .token.constant,
.markdown-body .token.symbol {
  color: #9ed6cb;
}

.markdown-body .token.selector,
.markdown-body .token.attr-name,
.markdown-body .token.string,
.markdown-body .token.char,
.markdown-body .token.builtin {
  color: #c6e6a9;
}

.markdown-body .token.operator,
.markdown-body .token.entity,
.markdown-body .token.url,
.markdown-body .token.variable {
  color: #9fc7ff;
}

.markdown-body .token.atrule,
.markdown-body .token.attr-value,
.markdown-body .token.function,
.markdown-body .token.class-name {
  color: #f4d58d;
}

.markdown-body .token.keyword {
  color: #8fd3ff;
  font-weight: 700;
}

.markdown-body .token.regex,
.markdown-body .token.important {
  color: #ffb3a7;
}

.code-copy {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: #dce5f2;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.18rem 0.55rem;
  position: absolute;
  right: 0.7rem;
  text-transform: uppercase;
  top: 0.65rem;
}

.code-copy:hover {
  background: rgba(255, 255, 255, 0.16);
}

.related-posts {
  border-top: 1px solid var(--border);
  padding: 1.6rem 2.6rem 2.2rem;
}

.related-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.related-card {
  background: color-mix(in srgb, var(--accent) 7%, var(--panel));
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
}

.related-card a {
  color: var(--text);
  font-weight: 850;
}

.related-card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.panel-card {
  padding: 1.1rem 1.2rem;
}

.panel-card h2 {
  color: var(--text);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  margin: 0 0 0.85rem;
  text-transform: uppercase;
}

.link-list {
  display: grid;
  gap: 0.45rem;
}

.link-list a {
  display: block;
}

.toc {
  display: grid;
  gap: 0.45rem;
  max-height: min(58vh, 620px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: color-mix(in srgb, var(--accent) 45%, transparent) transparent;
  scrollbar-width: thin;
}

.toc a {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
  padding-right: 0.2rem;
}

.toc a.active {
  color: var(--accent);
  font-weight: 800;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-cloud span,
.tag-cloud a {
  background: var(--accent-soft);
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  padding: 0.2rem 0.62rem;
}

.tag-cloud a:hover {
  background: color-mix(in srgb, var(--accent) 22%, var(--panel));
  text-decoration: none;
}

.tag-index {
  display: grid;
  gap: 1.35rem;
}

.tag-section {
  display: grid;
  gap: 0.85rem;
}

.tag-section h2 {
  color: var(--text);
  font-size: 1.1rem;
  margin: 0;
}

.search-box {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, transparent), transparent 52%),
    var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
  padding: 1.35rem 1.55rem;
}

.search-box label {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.search-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  color: var(--text);
  font: inherit;
  padding: 0.85rem 1rem;
  width: 100%;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  outline: 0;
}

.search-help,
.empty-state {
  color: var(--muted);
  margin: 0;
}

.search-results {
  display: grid;
  gap: 0.85rem;
}

.search-result {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 1.15rem 1.35rem;
}

.search-result a {
  color: var(--text);
  display: block;
  font-size: 1.12rem;
  font-weight: 850;
  margin-bottom: 0.35rem;
}

.search-result p {
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.search-result span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.not-found-card {
  background:
    radial-gradient(circle at 15% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 32%),
    linear-gradient(135deg, color-mix(in srgb, var(--panel) 86%, var(--accent)), var(--panel));
  overflow: hidden;
  padding: clamp(2rem, 6vw, 4rem);
  position: relative;
}

.not-found-card::after {
  color: color-mix(in srgb, var(--accent) 12%, transparent);
  content: "∑ π ⊢ verify(witness)=0";
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: clamp(2.4rem, 8vw, 6rem);
  font-weight: 900;
  position: absolute;
  right: -1rem;
  top: 0.4rem;
  transform: rotate(8deg);
  white-space: nowrap;
}

.not-found-card h1 {
  color: var(--text);
  font-size: clamp(2rem, 6.1vw, 4.35rem);
  line-height: 0.98;
  margin: 0 0 1rem;
  max-width: 720px;
  position: relative;
}

.not-found-card p {
  color: var(--muted);
  max-width: 620px;
  position: relative;
}

.zk-proof-box {
  background: var(--code-bg);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.45rem;
  margin: 1.4rem 0;
  max-width: 700px;
  padding: 1rem 1.2rem;
  position: relative;
}

.zk-proof-box code {
  color: #dce5f2;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  position: relative;
}

.not-found-actions a {
  background: color-mix(in srgb, var(--accent) 13%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  border-radius: 999px;
  color: var(--accent-strong);
  font-weight: 800;
  padding: 0.42rem 0.9rem;
}

.not-found-actions a.primary-action {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.not-found-actions a:hover {
  filter: brightness(1.06);
  text-decoration: none;
}

.recovery-panel {
  display: grid;
  gap: 0.45rem;
}

.back-to-top {
  align-items: center;
  background: transparent;
  border: 0;
  bottom: 2rem;
  cursor: pointer;
  display: flex;
  height: 58px;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  right: 1.6rem;
  transform: translateY(18px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  width: 58px;
  z-index: 20;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.cat-face {
  align-items: center;
  background: var(--sidebar);
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 45% 45% 50% 50%;
  box-shadow: 0 10px 28px rgba(31, 37, 48, 0.22);
  color: #fff;
  display: flex;
  font-size: 1.2rem;
  font-weight: 900;
  height: 46px;
  justify-content: center;
  position: relative;
  width: 50px;
}

.cat-face::before,
.cat-face::after {
  background: #d7dce5;
  border-radius: 50%;
  content: "";
  height: 4px;
  position: absolute;
  top: 15px;
  width: 4px;
}

.cat-face::before {
  left: 14px;
}

.cat-face::after {
  right: 14px;
}

.cat-ear {
  background: var(--sidebar);
  border: 2px solid rgba(255, 255, 255, 0.7);
  height: 20px;
  position: absolute;
  top: 2px;
  transform: rotate(45deg);
  width: 20px;
}

.cat-ear.left {
  left: 10px;
}

.cat-ear.right {
  right: 10px;
}

.back-to-top:hover .cat-face,
.back-to-top:hover .cat-ear {
  background: var(--accent);
}

@media (max-width: 1120px) {
  .page-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .right-panel {
    display: none;
  }
}

@media (max-width: 820px) {
  .site-sidebar {
    display: none;
  }

  .mobile-header {
    align-items: center;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .mobile-header a {
    color: var(--text);
    font-weight: 800;
  }

  .mobile-header span {
    color: var(--muted);
    font-size: 0.85rem;
  }

  .page-shell {
    margin-left: 0;
    padding: 1rem;
  }

  .site-footer {
    margin-left: 0;
    padding: 0.5rem 1rem 1.5rem;
  }

  .post-hero,
  .markdown-body {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .project-card.compact {
    align-items: flex-start;
    flex-direction: column;
  }

  .category-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .category-links {
    justify-items: start;
  }

  .archive-item {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
  }

  .theme-toggle {
    right: 0.85rem;
    top: 3.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spinner-locked .site-sidebar,
  .spinner-locked .mobile-header,
  .spinner-locked .page-shell,
  .spinner-locked .right-panel,
  .spinner-locked .theme-toggle,
  .spinner-locked .site-footer,
  .spinner-locked .back-to-top {
    filter: none;
    transform: none;
  }
}