:root {
  --paper: #f3f1ec;
  --surface: #181a19;
  --surface-soft: #202220;
  --ink: #f1eee8;
  --ink-muted: #b9b7b1;
  --outer-ink: #151715;
  --outer-muted: #30322f;
  --outer-subtle: #656660;
  --line: #4a4c49;
  --line-soft: #313330;
  --accent: #e06d54;
  --accent-muted: #b95643;
  --page-gutter: clamp(1rem, 4vw, 4rem);
  --page-width: 80rem;
  --surface-radius: 1.1rem;
  --sans: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-ambient="night"] {
  --paper: #101211;
  --outer-ink: #efebe4;
  --outer-muted: #c7c3bb;
  --outer-subtle: #918f89;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 18rem;
  background: var(--paper);
  color: var(--outer-ink);
  scroll-behavior: smooth;
  transition: background-color 420ms var(--ease-out), color 300ms ease;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color 420ms var(--ease-out);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0.35rem;
}

::selection {
  background: var(--accent);
  color: var(--surface);
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  padding: 0.55rem 0.8rem;
  background: var(--surface);
  color: var(--ink);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

body.archive-open {
  overflow: hidden;
}

body.archive-open .skip-link {
  visibility: hidden;
}

.site-header,
main,
.site-footer {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--page-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 6.8rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Baskerville, Georgia, serif;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
}

.wordmark::after {
  width: 0.28rem;
  height: 0.28rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0.5rem rgb(224 109 84 / 35%);
  content: "";
}

.utility-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--outer-muted);
  font-size: 0.82rem;
  line-height: 1;
}

.utility-nav a {
  text-decoration: none;
  transition: color 180ms ease;
}

.utility-nav a:hover {
  color: var(--accent-muted);
}

.ambient-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 1.75rem;
  padding: 0.22rem 0.42rem;
  border: 1px solid color-mix(in srgb, var(--outer-ink) 24%, transparent);
  border-radius: 999px;
  background: transparent;
  color: var(--outer-muted);
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, transform 240ms var(--ease-out);
}

.ambient-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.ambient-orbit {
  position: relative;
  width: 1.65rem;
  height: 0.78rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 0.86;
}

.ambient-bead {
  position: absolute;
  top: 50%;
  left: 0.16rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0.45rem rgb(224 109 84 / 48%);
  transform: translateY(-50%);
  transition: left 360ms var(--ease-out), transform 360ms var(--ease-out), background-color 180ms ease;
}

.ambient-toggle[aria-pressed="true"] .ambient-bead {
  left: calc(100% - 0.54rem);
  transform: translateY(-50%) rotate(180deg);
  background: #f1eee8;
}

.ambient-text {
  min-width: 2rem;
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.label-mobile {
  display: none;
}

.utility-separator {
  width: 0.2rem;
  height: 0.2rem;
  border-radius: 50%;
  background: var(--accent);
}

.personal-space {
  position: relative;
  isolation: isolate;
  min-height: 52.5rem;
  overflow: hidden;
  border: 1px solid #2d2f2d;
  border-radius: var(--surface-radius);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1.5rem 4rem rgb(33 30 24 / 10%);
}

html[data-ambient="night"] .personal-space {
  border-color: #3a3c39;
  box-shadow: 0 1.8rem 5rem rgb(0 0 0 / 42%);
}

.personal-space::after {
  position: absolute;
  right: 8.25rem;
  bottom: -1px;
  z-index: 6;
  width: 1.35rem;
  height: 0.32rem;
  border-radius: 0.2rem 0.2rem 0 0;
  background: var(--paper);
  content: "";
}

.orb-canvas {
  position: absolute;
  inset: 0;
  z-index: 8;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.mode-rail {
  position: absolute;
  top: 1.85rem;
  right: 5rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 31rem;
}

.mode-rail::before,
.mode-rail::after {
  height: 1px;
  background: var(--line);
  content: "";
}

.mode-rail::before {
  width: 2.1rem;
}

.mode-rail::after {
  flex: 1;
}

.mode-rail > span {
  width: 0.18rem;
  height: 0.18rem;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.75;
}

.mode-button {
  position: relative;
  padding: 0.3rem 0.15rem;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 0.74rem;
  line-height: 1;
  transition: color 220ms ease;
}

.mode-button::after {
  position: absolute;
  right: 0;
  bottom: -0.15rem;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 220ms ease, transform 320ms var(--ease-out);
}

.mode-button:hover,
.mode-button.is-active {
  color: var(--accent);
}

.mode-button.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.orb-slot {
  position: absolute;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.orb-slot-corner {
  top: 3.15rem;
  right: 2.7rem;
}

.introduction {
  position: relative;
  z-index: 9;
  width: min(56rem, 76%);
  padding: 6.4rem 0 0 clamp(3rem, 11.2vw, 9rem);
}

.introduction h1 {
  margin: 0 0 2rem;
  font-size: clamp(3.2rem, 4.4vw, 4.65rem);
  font-weight: 470;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.introduction p {
  margin: 0 0 1.55rem;
  color: var(--ink);
  font-size: clamp(1.12rem, 1.55vw, 1.32rem);
  font-weight: 450;
  letter-spacing: -0.022em;
  line-height: 1.62;
}

.thread-trigger {
  position: relative;
  display: inline;
  padding: 0 0 0.08em;
  border: 0;
  border-bottom: 1px solid #6e6d69;
  background: transparent;
  color: inherit;
  cursor: pointer;
  line-height: inherit;
  transition: border-color 200ms ease, color 200ms ease;
}

.thread-trigger::after {
  position: absolute;
  right: -0.18rem;
  bottom: -0.18rem;
  width: 0.22rem;
  height: 0.22rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 180ms ease, transform 260ms var(--ease-out);
}

.thread-trigger:hover,
.thread-trigger:focus-visible {
  border-color: var(--accent);
  color: #fff;
}

.thread-trigger:hover::after,
.thread-trigger:focus-visible::after {
  opacity: 0.85;
  transform: scale(1);
}

.thread-trigger.is-active {
  border-color: var(--accent);
  color: var(--accent);
}

.thread-trigger.is-active::after {
  opacity: 0;
}

.thread-connection {
  position: absolute;
  top: 28.45rem;
  left: 33.5%;
  z-index: 3;
  width: 20.25%;
  height: 5.55rem;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  border-radius: 0 4.25rem 4.25rem 0;
  opacity: 0.92;
  transform-origin: left center;
  transition: top 480ms var(--ease-out), left 480ms var(--ease-out), width 480ms var(--ease-out);
}

.thread-stage {
  position: absolute;
  right: 4.8rem;
  bottom: 1.8rem;
  left: 5rem;
  z-index: 4;
  min-height: 17.2rem;
  padding: 4.2rem 3.9rem 1.4rem;
  border: 1px solid var(--accent);
  border-radius: 3.5rem 3.5rem 3.5rem 3.2rem;
}

.thread-stage::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 44%;
  height: 2px;
  background: var(--surface);
  content: "";
}

.thread-stage::after {
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 4.4rem;
  height: 3.3rem;
  background: var(--surface);
  content: "";
}

.thread-grid {
  position: relative;
  z-index: 9;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 6vw, 7rem);
}

.thread-grid[data-count="1"] .thread-item {
  grid-column: 1 / span 2;
  max-width: 26rem;
}

.thread-grid[data-variant="writing"] {
  gap: clamp(1.6rem, 4vw, 4.2rem);
}

.thread-grid[data-variant="writing"] .thread-meta {
  font-size: 0.72rem;
  letter-spacing: 0.055em;
  line-height: 1.25;
}

.thread-grid[data-variant="writing"] .thread-meta span {
  font-size: 0.59rem;
}

.thread-grid[data-variant="writing"] .thread-description {
  font-size: 0.78rem;
  line-height: 1.42;
}

.thread-grid.is-changing {
  opacity: 0;
  transform: translateY(0.45rem);
}

.thread-item {
  position: relative;
  min-width: 0;
  transition: opacity 240ms ease, transform 360ms var(--ease-out);
}

.thread-item .orb-slot {
  top: -1.65rem;
  left: 0.5rem;
}

.thread-meta {
  margin: 0 0 0.55rem;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.075em;
  line-height: 1.2;
  text-transform: uppercase;
}

.thread-meta span {
  color: var(--accent);
  font-size: 0.64rem;
  font-weight: 580;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.thread-meta a {
  color: inherit;
  text-decoration: none;
  transition: color 180ms ease;
}

.thread-meta a:hover,
.thread-meta button:hover {
  color: var(--accent);
}

.thread-meta button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  text-transform: inherit;
  transition: border-color 180ms ease, color 180ms ease;
}

.thread-meta button:hover {
  border-color: var(--accent);
}

.thread-meta span::before {
  margin-inline: 0.42rem 0.32rem;
  color: var(--accent);
  content: "•";
}

.thread-description {
  max-width: 17.5rem;
  margin: 0;
  color: #e6e2dc;
  font-size: 0.88rem;
  font-weight: 430;
  line-height: 1.55;
}

.thread-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.65rem;
  color: var(--ink-muted);
  font-size: 0.68rem;
  text-decoration: none;
  transition: color 180ms ease;
}

.thread-link:hover {
  color: var(--accent);
}

.thread-link .external-mark {
  font-size: 0.78rem;
}

.ui-icon {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.thread-navigator {
  position: absolute;
  right: 4.7rem;
  bottom: 1.25rem;
  left: 4.7rem;
  z-index: 9;
  display: grid;
  grid-template-columns: 2.5rem 1fr auto 1fr 2.5rem;
  align-items: center;
  gap: 1.2rem;
  min-height: 3.2rem;
  padding-inline: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.thread-arrow {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.12rem;
  transition: background-color 180ms ease, color 180ms ease, transform 220ms var(--ease-out);
}

.thread-arrow:hover {
  background: var(--surface-soft);
  color: var(--accent);
  transform: scale(1.05);
}

.track-line {
  position: relative;
  height: 1px;
  border-top: 1px dashed var(--line);
}

.track-line .orb-slot:first-child {
  top: 0;
  left: 40%;
}

.track-line .orb-slot:last-child {
  top: 0;
  left: 64%;
}

.browse-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
  padding: 0.36rem 0.45rem 0.36rem 0.52rem;
  border: 1px solid #484944;
  border-radius: 999px;
  background: rgb(28 30 29 / 84%);
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 2%);
  transition: border-color 180ms ease, color 180ms ease, transform 220ms var(--ease-out), background-color 180ms ease;
}

.browse-button:hover {
  border-color: var(--accent);
  background: #242624;
  color: var(--accent);
  transform: translateY(-1px);
}

.browse-orb {
  position: relative;
  width: 0.42rem;
  height: 0.42rem;
  flex: 0 0 auto;
  border: 1px dotted var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0.55rem rgb(255 142 111 / 28%);
  transition: transform 300ms var(--ease-out), box-shadow 300ms ease;
}

.browse-orb::after {
  position: absolute;
  inset: 0.1rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.browse-button:hover .browse-orb {
  box-shadow: 0 0 0.75rem rgb(255 142 111 / 48%);
  transform: rotate(90deg) scale(1.12);
}

.browse-count {
  display: grid;
  min-width: 1.2rem;
  height: 1.2rem;
  place-items: center;
  border-radius: 50%;
  background: #323431;
  color: #b7b4ad;
  font-size: 0.5rem;
  letter-spacing: 0;
}

.archive-dialog {
  width: min(calc(100% - 4rem), 68rem);
  height: min(44rem, calc(100dvh - 4rem));
  max-height: calc(100dvh - 4rem);
  padding: 2.6rem 3rem 2.2rem;
  overflow: hidden;
  border: 1px solid var(--accent);
  border-radius: 2.8rem;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 2rem 6rem rgb(0 0 0 / 38%);
}

.archive-dialog[open] {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
}

.archive-dialog::backdrop {
  background: rgb(15 16 15 / 78%);
  backdrop-filter: blur(0.45rem);
}

.archive-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.8rem;
}

.archive-header p,
.archive-header h2 {
  margin: 0;
}

.archive-header p {
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.archive-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 470;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.archive-close {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 1rem;
  transition: border-color 180ms ease, color 180ms ease, transform 220ms var(--ease-out);
}

.archive-close:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(5deg);
}

.archive-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(13rem, 18rem);
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 0.9rem;
}

.archive-filters {
  display: flex;
  gap: 0.45rem;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
}

.archive-filters::-webkit-scrollbar {
  display: none;
}

.archive-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex: 0 0 auto;
  padding: 0.4rem 0.5rem 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 0.68rem;
  transition: border-color 180ms ease, color 180ms ease;
}

.archive-filter small {
  display: grid;
  min-width: 1.25rem;
  height: 1.25rem;
  place-items: center;
  border-radius: 50%;
  background: #2d2f2d;
  color: #a7a49e;
  font-size: 0.54rem;
}

.archive-filter:hover,
.archive-filter.is-active {
  border-color: var(--accent);
  color: var(--accent);
}

.archive-filter.is-active small {
  background: var(--accent);
  color: var(--surface);
}

.archive-search {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.15rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
  transition: border-color 180ms ease, color 180ms ease;
}

.archive-search:focus-within {
  border-color: var(--accent);
  color: var(--accent);
}

.archive-search .ui-icon {
  width: 0.9rem;
  flex: 0 0 auto;
}

.archive-search input {
  width: 100%;
  padding: 0.45rem 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.72rem;
}

.archive-search input::placeholder {
  color: #84847e;
}

.archive-search input::-webkit-search-cancel-button {
  filter: invert(1);
  opacity: 0.55;
}

.archive-summary {
  margin: 0;
  padding: 0.2rem 0 0.65rem;
  color: #888983;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-results {
  min-height: 0;
  padding-right: 0.35rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: #555650 transparent;
  scrollbar-width: thin;
}

.archive-list {
  border-bottom: 1px solid var(--line-soft);
}

.archive-item {
  display: grid;
  grid-template-columns: 4.5rem 6.5rem 9rem minmax(0, 1fr) 1rem;
  align-items: center;
  gap: 1rem;
  min-height: 4.4rem;
  border-top: 1px solid var(--line-soft);
  color: inherit;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, padding 260ms var(--ease-out);
}

.archive-item:hover {
  padding-inline: 0.35rem;
  border-color: var(--accent);
  color: var(--accent);
}

.archive-item time,
.archive-type,
.archive-classification {
  color: var(--ink-muted);
  font-size: 0.66rem;
}

.archive-item time {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  line-height: 1.25;
}

.archive-type {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-classification {
  color: #d2cec7;
}

.archive-title {
  font-size: 0.86rem;
  line-height: 1.35;
}

.archive-item .external-mark {
  color: var(--accent);
  font-size: 0.85rem;
}

.archive-empty {
  margin: 0;
  padding: 2rem 0;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.archive-more {
  width: 100%;
  min-height: 3.6rem;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease;
}

.archive-more:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 7.5rem;
}

.site-footer nav {
  display: flex;
  align-items: center;
}

.footer-social {
  gap: 1.35rem;
}

.footer-social a {
  display: grid;
  place-items: center;
  color: var(--outer-ink);
  font-size: 1.22rem;
  text-decoration: none;
  transition: color 180ms ease, transform 220ms var(--ease-out);
}

.brand-icon {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
}

.footer-social a:hover {
  color: var(--accent-muted);
  transform: translateY(-0.12rem);
}

.footer-social a span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.footer-editions {
  gap: 0.6rem;
  color: var(--outer-subtle);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.footer-editions a {
  text-decoration-color: transparent;
  text-underline-offset: 0.25rem;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.footer-editions a:hover {
  color: var(--accent-muted);
  text-decoration-color: currentColor;
}

.article-page-main {
  max-width: 62rem;
}

.note-shell {
  position: relative;
  min-height: 46rem;
  padding: clamp(3.5rem, 8vw, 7rem) clamp(2rem, 9vw, 7rem) 3.5rem;
  overflow: hidden;
  border: 1px solid #343633;
  border-radius: 1.4rem;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1.5rem 4rem rgb(33 30 24 / 12%);
}

.note-shell::before {
  position: absolute;
  top: 8rem;
  right: -3rem;
  width: 16rem;
  height: 5rem;
  border: 1px solid var(--accent);
  border-left-color: transparent;
  border-radius: 50%;
  content: "";
  opacity: 0.78;
  transform: rotate(-18deg);
}

.note-shell::after {
  position: absolute;
  right: 0;
  bottom: 6rem;
  width: 24%;
  border-top: 1px solid var(--accent);
  content: "";
}

.note-orbit {
  position: absolute;
  top: 5.2rem;
  right: 4.2rem;
  z-index: 2;
  width: 5.5rem;
  height: 5.5rem;
  border: 1px solid rgb(224 109 84 / 48%);
  border-radius: 50%;
  animation: note-orbit-turn 16s linear infinite;
}

.note-orbit::before,
.note-orbit::after {
  position: absolute;
  inset: 0.55rem -0.45rem;
  border: 1px solid rgb(241 238 232 / 25%);
  border-radius: 50%;
  content: "";
  transform: rotate(38deg);
}

.note-orbit::after {
  inset: -0.35rem 1.05rem;
  border-color: rgb(224 109 84 / 32%);
  transform: rotate(-24deg);
}

.note-orbit span {
  position: absolute;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0.7rem rgb(224 109 84 / 38%);
}

.note-orbit span:nth-child(1) { top: 8%; left: 44%; }
.note-orbit span:nth-child(2) { top: 28%; right: 4%; transform: scale(0.72); }
.note-orbit span:nth-child(3) { right: 18%; bottom: 12%; transform: scale(1.2); }
.note-orbit span:nth-child(4) { bottom: 5%; left: 32%; transform: scale(0.68); }
.note-orbit span:nth-child(5) { top: 45%; left: -2%; transform: scale(0.9); }
.note-orbit span:nth-child(6) { top: 36%; left: 42%; transform: scale(1.45); }

@keyframes note-orbit-turn {
  to { transform: rotate(360deg); }
}

.note-header,
.note-body,
.note-end {
  position: relative;
  z-index: 3;
  max-width: 43rem;
}

.note-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.2rem;
  color: var(--ink-muted);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.note-meta time::before {
  margin-right: 1rem;
  color: var(--accent);
  content: "•";
}

.note-header h1 {
  max-width: 38rem;
  margin: 0 0 1.5rem;
  font-size: clamp(3.3rem, 7vw, 6rem);
  font-weight: 470;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.note-header > p {
  max-width: 36rem;
  margin: 0 0 4rem;
  color: #cfcbc4;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.55;
}

.note-body {
  max-width: 38rem;
}

.note-body p {
  margin: 0 0 1.7rem;
  color: #e5e1da;
  font-size: 1rem;
  line-height: 1.78;
}

.note-body p:first-child {
  color: var(--ink);
  font-size: 1.2rem;
}

.note-end {
  display: grid;
  grid-template-columns: minmax(3rem, 1fr) auto auto;
  align-items: center;
  gap: 1rem;
  margin-top: 3.8rem;
  color: var(--ink-muted);
  font-size: 0.68rem;
}

.note-end > span {
  border-top: 1px dashed var(--line);
}

.note-end p {
  margin: 0;
}

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

.error-main {
  max-width: 72rem;
}

.error-space {
  position: relative;
  display: grid;
  min-height: 34rem;
  place-items: center;
  padding: 4rem;
  overflow: hidden;
  border: 1px solid #343633;
  border-radius: 1.4rem;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1.5rem 4rem rgb(33 30 24 / 12%);
}

.error-code {
  position: absolute;
  top: 1rem;
  left: 2.5rem;
  margin: 0;
  color: rgb(241 238 232 / 5%);
  font-family: "Iowan Old Style", Baskerville, Georgia, serif;
  font-size: clamp(12rem, 28vw, 22rem);
  font-weight: 600;
  letter-spacing: -0.1em;
  line-height: 1;
}

.error-copy {
  position: relative;
  z-index: 3;
  width: min(100%, 31rem);
}

.error-copy > p:first-child {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.error-copy h1 {
  margin: 0 0 1.3rem;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 470;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.error-copy > p:not(:first-child) {
  max-width: 25rem;
  margin: 0 0 2rem;
  color: var(--ink-muted);
  line-height: 1.65;
}

.error-copy a {
  color: var(--accent);
  font-size: 0.76rem;
  text-decoration: none;
}

.error-path {
  position: absolute;
  right: -2rem;
  bottom: 4rem;
  left: 4rem;
  height: 5rem;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  border-radius: 0 4rem 0 0;
}

.error-path span {
  position: absolute;
  top: -0.32rem;
  left: 32%;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1rem rgb(224 109 84 / 48%);
}

.error-orb {
  position: absolute;
  top: 3.5rem;
  right: 5rem;
  width: 8rem;
  height: 8rem;
  border: 1px solid rgb(224 109 84 / 42%);
  border-radius: 50%;
  animation: note-orbit-turn 20s linear infinite;
}

.error-orb::before,
.error-orb::after {
  position: absolute;
  inset: 1rem -0.7rem;
  border: 1px solid rgb(241 238 232 / 24%);
  border-radius: 50%;
  content: "";
  transform: rotate(-26deg);
}

.error-orb::after {
  inset: -0.65rem 2rem;
  border-color: rgb(224 109 84 / 38%);
  transform: rotate(31deg);
}

.error-orb span {
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0.8rem rgb(224 109 84 / 44%);
}

.error-orb span:nth-child(1) { top: 5%; left: 46%; }
.error-orb span:nth-child(2) { top: 18%; right: 14%; transform: scale(0.72); }
.error-orb span:nth-child(3) { top: 46%; right: -2%; transform: scale(1.2); }
.error-orb span:nth-child(4) { right: 17%; bottom: 9%; }
.error-orb span:nth-child(5) { bottom: 0; left: 38%; transform: scale(0.68); }
.error-orb span:nth-child(6) { bottom: 22%; left: 4%; transform: scale(1.05); }
.error-orb span:nth-child(7) { top: 24%; left: 4%; transform: scale(0.8); }
.error-orb span:nth-child(8) { top: 44%; left: 44%; transform: scale(1.55); }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 64rem) {
  .site-header {
    min-height: 5.4rem;
  }

  .personal-space {
    min-height: 55rem;
  }

  .mode-rail {
    right: 2.5rem;
    min-width: 27rem;
  }

  .introduction {
    width: 85%;
    padding-top: 7rem;
    padding-left: 4rem;
  }

  .thread-connection {
    left: 39%;
    width: 17%;
  }

  .thread-stage {
    right: 2.5rem;
    left: 2.5rem;
    padding-inline: 2.5rem;
  }

  .thread-grid {
    gap: 2.5rem;
  }
}

@media (max-width: 47.99rem) {
  :root {
    --page-gutter: 0.75rem;
  }

  .site-header {
    align-items: center;
    min-height: 4.8rem;
  }

  .wordmark {
    font-size: 1rem;
  }

  .utility-nav {
    align-items: center;
    flex-direction: row;
    gap: 0.65rem;
    margin-right: 0.25rem;
    font-size: 0.66rem;
  }

  .utility-nav > span {
    display: none;
  }

  .label-desktop {
    display: none;
  }

  .label-mobile {
    display: inline;
  }

  .ambient-toggle {
    min-height: 1.65rem;
    padding-inline: 0.35rem;
  }

  .ambient-text {
    display: none;
  }

  .personal-space {
    min-height: 0;
    padding-bottom: 0.01rem;
    border-radius: 1rem;
  }

  .personal-space::after {
    right: 3.2rem;
  }

  .mode-rail {
    top: 1.25rem;
    right: 1.25rem;
    left: 1.25rem;
    justify-content: flex-start;
    min-width: 0;
    gap: 0.62rem;
  }

  .mode-rail::before {
    width: 1.25rem;
  }

  .mode-button {
    font-size: 0.66rem;
  }

  .orb-slot-corner {
    top: 4.15rem;
    right: 1.45rem;
  }

  .introduction {
    width: 100%;
    padding: 6.15rem 1.45rem 0;
  }

  .introduction h1 {
    margin-bottom: 1.55rem;
    font-size: clamp(2.8rem, 13vw, 3.4rem);
    letter-spacing: -0.06em;
  }

  .introduction p {
    margin-bottom: 1.25rem;
    font-size: clamp(1rem, 4.35vw, 1.08rem);
    line-height: 1.56;
  }

  .introduction br {
    display: none;
  }

  .thread-connection {
    display: none;
  }

  .thread-stage {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    min-height: 23rem;
    margin: 2.45rem 0.75rem 0.75rem;
    padding: 3.35rem 1.25rem 5rem;
    border-radius: 2rem;
  }

  .thread-stage::before {
    width: 3.75rem;
  }

  .thread-stage::after {
    width: 2.5rem;
  }

  .thread-grid {
    grid-template-columns: 1fr;
    gap: 2.45rem;
  }

  .thread-grid[data-variant="writing"] {
    gap: 1.8rem;
  }

  .thread-item {
    padding-left: 3.1rem;
  }

  .thread-item .orb-slot {
    top: 1rem;
    left: 0.72rem;
  }

  .thread-meta {
    font-size: 0.78rem;
  }

  .thread-description {
    font-size: 0.84rem;
    line-height: 1.58;
  }

  .thread-link {
    margin-top: 0.45rem;
  }

  .thread-navigator {
    right: 1.15rem;
    bottom: 1.1rem;
    left: 1.15rem;
    grid-template-columns: 2.2rem 1fr auto 1fr 2.2rem;
    gap: 0.55rem;
    min-height: 3rem;
  }

  .archive-dialog {
    width: calc(100% - 0.75rem);
    height: calc(100dvh - 0.75rem);
    max-height: calc(100dvh - 0.75rem);
    padding: 1.45rem 1.2rem 1rem;
    border-radius: 1.65rem 1.65rem 0.65rem 0.65rem;
  }

  .archive-header {
    padding-bottom: 1.15rem;
  }

  .archive-header h2 {
    max-width: 15rem;
    font-size: 2rem;
  }

  .archive-controls {
    grid-template-columns: 1fr;
    gap: 0.7rem;
    padding-bottom: 0.55rem;
  }

  .archive-filters {
    margin-right: -1.2rem;
    padding-right: 1.2rem;
  }

  .archive-search {
    min-height: 2.35rem;
  }

  .archive-summary {
    padding-block: 0.25rem 0.55rem;
  }

  .archive-results {
    padding-right: 0.15rem;
  }

  .archive-item {
    grid-template-columns: 3.1rem minmax(0, 1fr) 1rem;
    gap: 0.65rem;
    min-height: 5.2rem;
    padding-block: 0.8rem;
  }

  .archive-item time {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 0.1rem;
  }

  .archive-type {
    grid-column: 2;
    grid-row: 1;
  }

  .archive-title {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0.2rem;
  }

  .archive-item .external-mark {
    grid-column: 3;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .archive-classification {
    display: none;
  }

  .archive-title {
    font-size: 0.78rem;
  }

  .thread-arrow {
    width: 2rem;
    height: 2rem;
  }

  .thread-navigator-label {
    font-size: 0.59rem;
  }

  .site-footer {
    min-height: 6rem;
  }

  .site-footer nav {
    gap: 1.55rem;
  }

  .article-page-main {
    width: calc(100% - 1.5rem);
  }

  .note-shell {
    min-height: 0;
    padding: 6rem 1.45rem 2rem;
    border-radius: 1rem;
  }

  .note-shell::before {
    top: 3.8rem;
    right: -5rem;
    width: 12rem;
    height: 3.7rem;
  }

  .note-orbit {
    top: 2.35rem;
    right: 1.6rem;
    width: 3.8rem;
    height: 3.8rem;
  }

  .note-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.7rem;
  }

  .note-meta time::before {
    margin-right: 0.55rem;
  }

  .note-header h1 {
    max-width: 18rem;
    margin-bottom: 1.25rem;
    font-size: clamp(3.1rem, 15vw, 4.15rem);
  }

  .note-header > p {
    margin-bottom: 3rem;
    font-size: 1.08rem;
  }

  .note-body p {
    font-size: 0.96rem;
    line-height: 1.72;
  }

  .note-body p:first-child {
    font-size: 1.1rem;
  }

  .note-end {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 3rem;
  }

  .note-end > span {
    width: 5rem;
  }

  .error-main {
    width: calc(100% - 1.5rem);
  }

  .error-space {
    min-height: calc(100dvh - 10rem);
    padding: 7rem 1.45rem 6rem;
    place-items: center start;
    border-radius: 1rem;
  }

  .error-code {
    top: 4.5rem;
    left: 0.8rem;
    font-size: 13rem;
  }

  .error-orb {
    top: 2rem;
    right: 1.7rem;
    width: 5rem;
    height: 5rem;
  }

  .error-copy h1 {
    max-width: 19rem;
    font-size: 3.45rem;
  }

  .error-path {
    right: -3rem;
    bottom: 2.5rem;
    left: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}