/* ============================================================
   ANTIKYTHERA — tokens
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Gambetta', Georgia, 'Times New Roman', serif;
  --font-body: 'Erode', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  /* Radius — deliberately tight; this is an instrument, not a bubble */
  --radius-sm: 1px;
  --radius-md: 2px;
  --radius-lg: 3px;
  --radius-full: 9999px;

  /* Motion */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Chrome metrics */
  --chrome-top: 68px;
  --chrome-foot: 34px;

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
}

/* --- UMBRA (default, dark) --- */
:root,
[data-theme='umbra'] {
  --color-bg: #090a09;
  --color-bg-deep: #050605;
  --color-surface: #0f110f;
  --color-surface-2: #141714;
  --color-surface-offset: #121513;
  --color-text: #e4dfcf;
  --color-text-muted: #948e7d;
  --color-text-faint: #6d6a61;
  --color-primary: #c8963c;
  --color-primary-dim: #8d6a2b;
  --color-verdigris: #519386;
  --color-tertiary: #b86065;
  --color-hair: rgba(228, 223, 207, 0.1);
  --color-hair-strong: rgba(228, 223, 207, 0.2);
  --color-border: rgba(200, 150, 60, 0.16);
  --color-glow: rgba(200, 150, 60, 0.16);
  --dust-alpha: 0.55;
  --dust-rgb: 228, 223, 207;
  --plate-blend: screen;
  --plate-opacity: 0.9;
  --lume-blend: screen;
  --grain-opacity: 0.04;
  --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.6);
}

/* --- VELLUM (light) --- */
[data-theme='vellum'] {
  --color-bg: #d8c9ab;
  --color-bg-deep: #b9a27b;
  --color-surface: #e1d2b4;
  --color-surface-2: #eadfc6;
  --color-surface-offset: #cdbb96;
  --color-text: #231b12;
  --color-text-muted: #5d4b35;
  --color-text-faint: #806f55;
  --color-primary: #7a4612;
  --color-primary-dim: #9b6f31;
  --color-verdigris: #245d54;
  --color-tertiary: #783238;
  --color-hair: rgba(51, 35, 18, 0.16);
  --color-hair-strong: rgba(51, 35, 18, 0.32);
  --color-border: rgba(94, 54, 16, 0.28);
  --color-glow: rgba(109, 64, 20, 0.14);
  --dust-alpha: 0.42;
  --dust-rgb: 65, 45, 24;
  --plate-blend: multiply;
  --plate-opacity: 0.84;
  --lume-blend: multiply;
  --grain-opacity: 0.085;
  --shadow-md: 0 12px 34px rgba(77, 52, 18, 0.24);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #e9e3d3;
    --color-text: #1b1913;
  }
}

/* ============================================================
   Shell
   ============================================================ */

body {
  overflow-x: hidden;
  background:
    radial-gradient(
      120% 80% at 50% 42%,
      color-mix(in oklab, var(--color-bg) 88%, var(--color-primary)) 0%,
      var(--color-bg) 45%,
      var(--color-bg-deep) 100%
    ),
    var(--color-bg);
  transition:
    background-color 600ms var(--ease-in-out),
    color 600ms var(--ease-in-out);
}
[data-theme='vellum'] body {
  background:
    radial-gradient(circle at 20% 12%, rgba(255, 238, 184, 0.34), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(90, 58, 22, 0.13), transparent 24%),
    radial-gradient(circle at 72% 82%, rgba(36, 93, 84, 0.12), transparent 31%),
    linear-gradient(135deg, rgba(255, 247, 218, 0.22), transparent 34%, rgba(88, 55, 18, 0.12) 100%),
    repeating-linear-gradient(
      97deg,
      rgba(85, 57, 28, 0.035) 0 1px,
      transparent 1px 9px
    ),
    var(--color-bg);
}

.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 200;
  transform: translateY(-200%);
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.skip-link:focus-visible {
  transform: translateY(0);
}

#dust {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--dust-alpha);
}

#reticle {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 150;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  pointer-events: none;
  opacity: 0;
  color: var(--color-primary);
  transition: opacity 400ms var(--ease-out);
}
#reticle svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  animation: reticle-spin 14s linear infinite;
}
#reticle circle {
  stroke-dasharray: 5 9;
}
body.has-reticle #reticle {
  opacity: 0.85;
}
[data-theme='vellum'] #reticle {
  filter: drop-shadow(0 0 8px rgba(122, 70, 18, 0.22));
}
@keyframes reticle-spin {
  to {
    transform: rotate(360deg);
  }
}
@media (hover: none), (prefers-reduced-motion: reduce) {
  #reticle {
    display: none;
  }
}

/* ============================================================
   Boot / attunement
   ============================================================ */

#boot {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  background: var(--color-bg-deep);
  transition: opacity 700ms var(--ease-in);
}
#boot.done {
  opacity: 0;
  pointer-events: none;
}
#boot.gone {
  display: none;
}
.boot-inner {
  display: grid;
  gap: var(--space-8);
  justify-items: center;
  padding: var(--space-6);
}
.boot-rings {
  width: clamp(140px, 26vmin, 220px);
  height: auto;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 0.7;
}
.boot-rings circle,
.boot-rings path {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: draw 1100ms var(--ease-out) forwards;
}
.boot-rings circle:nth-child(2) {
  animation-delay: 90ms;
}
.boot-rings circle:nth-child(3) {
  animation-delay: 180ms;
}
.boot-rings circle:nth-child(4) {
  animation-delay: 270ms;
}
.boot-rings path {
  animation-delay: 360ms;
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}
#boot-log {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.9;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  min-height: 8.5em;
  margin: 0;
  white-space: pre;
}
#boot-log b {
  color: var(--color-primary);
  font-weight: 400;
}

/* ============================================================
   Chrome (header + footer)
   ============================================================ */

.chrome {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 clamp(var(--space-4), 3vw, var(--space-10));
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(120%);
}
#chrome-top {
  top: 0;
  height: var(--chrome-top);
  justify-content: space-between;
  border-bottom: 1px solid var(--color-hair);
}
[data-theme='vellum'] .chrome-top,
[data-theme='vellum'] .chrome-foot {
  background: color-mix(in oklab, var(--color-surface-offset) 76%, transparent);
  box-shadow: 0 1px 0 rgba(255, 246, 217, 0.36) inset;
}
.chrome-foot {
  bottom: 0;
  height: var(--chrome-foot);
  border-top: 1px solid var(--color-hair);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-faint);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  overflow: hidden;
}
.foot-cell {
  white-space: nowrap;
}
.foot-rule {
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-hair) 0 2px,
    transparent 2px 6px
  );
}
.foot-attrib {
  color: var(--color-text-faint);
  opacity: 0.75;
}

.mark {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.mark-glyph {
  color: var(--color-primary);
  flex: none;
}
.mark:hover .mark-glyph {
  animation: mark-spin 3.2s var(--ease-in-out);
}
@keyframes mark-spin {
  to {
    transform: rotate(360deg);
  }
}
.mark-text {
  display: grid;
  line-height: 1.2;
}
.mark-text strong {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.3em;
}
.mark-text em {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-2), 1.6vw, var(--space-6));
}
.nav-link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-decoration: none;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-1);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms var(--ease-out);
}
.nav-link:hover,
.nav-link[aria-current='page'] {
  color: var(--color-text);
}
.nav-link:hover::after,
.nav-link[aria-current='page']::after {
  transform: scaleX(1);
}
.nav-link[aria-current='page'] {
  color: var(--color-primary);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  border: 1px solid var(--color-hair-strong);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
}
.icon-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-border);
  background: var(--color-surface);
}

#view {
  position: relative;
  z-index: 1;
  padding-top: var(--chrome-top);
  padding-bottom: var(--chrome-foot);
}
#view:focus {
  outline: none;
}

/* ============================================================
   THE DIAL (home)
   ============================================================ */

.stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 25.5rem) minmax(0, 1fr);
  gap: clamp(var(--space-4), 3vw, var(--space-12));
  align-items: center;
  min-height: calc(100dvh - var(--chrome-top) - var(--chrome-foot));
  padding: var(--space-5) clamp(var(--space-4), 3vw, var(--space-10)) var(--space-12);
}

.dial-wrap {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  isolation: isolate;
}
.dial-wrap::before,
.dial-wrap::after {
  content: '';
  position: absolute;
  inset: 50%;
  width: min(
    calc(100dvh - var(--chrome-top) - var(--chrome-foot) - 8rem),
    690px,
    72vw
  );
  aspect-ratio: 1;
  translate: -50% -50%;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}
.dial-wrap::before {
  background:
    radial-gradient(circle, transparent 0 44%, color-mix(in oklab, var(--color-primary) 18%, transparent) 45% 45.5%, transparent 46%),
    radial-gradient(circle, transparent 0 59%, color-mix(in oklab, var(--color-verdigris) 16%, transparent) 60% 60.4%, transparent 61%),
    radial-gradient(circle, color-mix(in oklab, var(--color-primary) 13%, transparent), transparent 62%);
  filter: blur(0.2px);
  opacity: 0.85;
  animation: dial-aura-breathe 6.5s var(--ease-in-out) infinite;
}
.dial-wrap::after {
  background:
    conic-gradient(from 18deg, transparent 0 11%, color-mix(in oklab, var(--color-primary) 35%, transparent) 12%, transparent 15% 47%, color-mix(in oklab, var(--color-verdigris) 22%, transparent) 49%, transparent 52% 100%);
  mask: radial-gradient(circle, transparent 0 39%, #000 42% 68%, transparent 71%);
  opacity: 0.52;
  animation: dial-corona-spin 36s linear infinite;
}
#dial {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 18px color-mix(in oklab, var(--color-primary) 18%, transparent));
  width: 100%;
  max-width: min(
    calc(100dvh - var(--chrome-top) - var(--chrome-foot) - 7rem),
    660px
  );
  height: auto;
  cursor: grab;
  touch-action: none;
  overflow: visible;
}
#dial.dragging {
  cursor: grabbing;
}
#dial:focus {
  outline: none;
}
#dial:focus-visible {
  outline: 1px dashed var(--color-primary);
  outline-offset: 6px;
}

/* dial parts */
.d-hair {
  stroke: var(--color-hair);
  fill: none;
  stroke-width: 1;
}
.d-hair-2 {
  stroke: var(--color-hair-strong);
  fill: none;
  stroke-width: 1;
}

/* The outer limb's clock ticks, in brass. One bloom for the whole group rather
   than a filter per line: the ticks are static geometry, so the filtered layer
   is rasterised once and only the parent rotation composes over it. */
.d-ticks {
  filter: drop-shadow(0 0 3px color-mix(in oklab, var(--color-primary) 45%, transparent));
}
.d-tick {
  stroke: var(--color-primary);
  stroke-width: 1;
}
.d-tick-major {
  stroke-width: 1.8;
}
.d-track {
  fill: none;
  stroke: color-mix(in oklab, var(--sphere-color, var(--color-hair)) 25%, var(--color-hair));
  stroke-width: 1;
  stroke-dasharray: 2 7;
  transition: stroke 300ms var(--ease-out), stroke-width 300ms var(--ease-out), opacity 300ms var(--ease-out);
}
.d-track.sel {
  stroke: var(--sphere-color, var(--color-primary));
  stroke-width: 1.6;
  opacity: 0.85;
}
.d-num {
  fill: var(--color-text-faint);
  font-family: var(--font-display);
  font-size: 23px;
  letter-spacing: 0.05em;
  text-anchor: middle;
  dominant-baseline: middle;
}
.dial-legend {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  pointer-events: none;
}
.dial-legend li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.dl-mark {
  width: 22px;
  border-top: 1px dashed color-mix(in oklab, var(--sphere-color, var(--color-hair-strong)) 50%, var(--color-hair-strong));
}
.dl-name {
  color: var(--color-text-muted);
}
.dl-gloss {
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: none;
  font-style: italic;
  font-family: var(--font-body);
  font-size: 0.8125rem;
}

/* The plain-English name of a sphere, printed beside the Greek one wherever the
   Greek name would otherwise stand unexplained — the index filters and the
   register's sphere column. Inherits the surrounding type so it reads as a
   gloss rather than a second label; the descendant selectors are load-bearing,
   since `.chip` sets uppercase and tracking that the gloss must opt out of. */
.chip .gloss,
.ledger td .gloss {
  color: var(--color-text-faint);
  font-size: 0.9em;
  letter-spacing: 0.04em;
  text-transform: none;
  white-space: nowrap;
}
.chip[aria-pressed='true'] .gloss {
  color: inherit;
  opacity: 0.72;
}
.d-sweep {
  transform-origin: 0 0;
  animation: dial-sweep 14s linear infinite;
  opacity: 0.62;
  mix-blend-mode: var(--lume-blend, screen);
}
.d-sweep line {
  stroke: color-mix(in oklab, var(--color-primary) 72%, transparent);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-dasharray: 1 9;
  filter: drop-shadow(0 0 7px color-mix(in oklab, var(--color-primary) 42%, transparent));
}
.d-sweep circle {
  fill: var(--color-primary);
  filter: drop-shadow(0 0 8px color-mix(in oklab, var(--color-primary) 70%, transparent));
}
.d-meridian {
  stroke: var(--color-primary);
  stroke-width: 1;
  opacity: 0.5;
}

/* vellum needs more ink on the dial */
[data-theme='vellum'] .d-hair {
  stroke: rgba(27, 25, 19, 0.2);
}
[data-theme='vellum'] .d-hair-2 {
  stroke: rgba(27, 25, 19, 0.36);
}
[data-theme='vellum'] .d-track {
  stroke: color-mix(in oklab, var(--sphere-color, rgba(27, 25, 19, 0.26)) 30%, rgba(27, 25, 19, 0.26));
}
[data-theme='vellum'] .d-track.sel {
  stroke: var(--sphere-color, var(--color-primary));
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--sphere-color, var(--color-primary)) 42%, transparent));
}
[data-theme='vellum'] .dial-wrap::before {
  opacity: 0.72;
  mix-blend-mode: multiply;
}
[data-theme='vellum'] .dial-wrap::after {
  opacity: 0.42;
  mix-blend-mode: multiply;
}
[data-theme='vellum'] #dial {
  filter: drop-shadow(0 0 16px rgba(83, 54, 22, 0.18));
}
[data-theme='vellum'] .d-num {
  fill: #6f6857;
}
[data-theme='vellum'] .d-node .ring {
  stroke: #6f6857;
  stroke-width: 1.6;
}
[data-theme='vellum'] .d-node .pip {
  fill: #4a4436;
}
[data-theme='vellum'] .d-meridian {
  opacity: 0.75;
}
.d-index {
  fill: var(--color-primary);
}
.d-res {
  stroke: var(--sphere-color, var(--color-verdigris));
  fill: none;
  stroke-width: 1.2;
  stroke-dasharray: 5 6;
  opacity: 0;
  transition: opacity 500ms var(--ease-out);
}
.d-res.on {
  opacity: 0.72;
  animation: res-drift 2.4s linear infinite;
}
.d-spark {
  stroke: var(--sphere-color, var(--color-primary));
  stroke-width: 1.6;
  stroke-linecap: round;
  opacity: 0;
  filter: drop-shadow(0 0 5px color-mix(in oklab, var(--sphere-color, var(--color-primary)) 70%, transparent));
  animation: spark-burst 680ms var(--ease-out) forwards;
}
@keyframes res-drift {
  to {
    stroke-dashoffset: -22;
  }
}
@keyframes dial-sweep {
  to {
    rotate: 360deg;
  }
}
@keyframes spark-burst {
  0% {
    opacity: 0;
    stroke-dasharray: 0 80;
  }
  22% {
    opacity: 0.95;
  }
  100% {
    opacity: 0;
    stroke-dasharray: 26 80;
  }
}

.d-node {
  cursor: pointer;
}
.d-node .ring {
  fill: var(--color-bg);
  stroke: var(--color-text-faint);
  stroke-width: 1.4;
  transition:
    stroke 300ms var(--ease-out),
    r 300ms var(--ease-out);
}
.d-node .pip {
  fill: var(--color-text-muted);
  transition: fill 300ms var(--ease-out);
}
.d-node .halo {
  transform-box: fill-box;
  transform-origin: center;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1;
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
}
.d-node .tag {
  fill: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.12em;
  opacity: 0;
  transition: opacity 300ms var(--ease-out);
}
[data-sphere="mechane"] { --sphere-color: var(--color-primary); }
[data-sphere="ephemeris"] { --sphere-color: var(--color-verdigris); }
[data-sphere="mnemosyne"] { --sphere-color: var(--color-tertiary); }

.d-node:hover .ring,
.d-node:focus-visible .ring {
  stroke: var(--sphere-color, var(--color-primary));
}
.d-node:hover .tag,
.d-node:focus-visible .tag {
  opacity: 1;
  fill: var(--sphere-color, var(--color-text-faint));
}
.d-node.sel .ring {
  stroke: var(--sphere-color, var(--color-primary));
  stroke-width: 2;
  fill: color-mix(in oklab, var(--sphere-color, var(--color-primary)) 18%, var(--color-bg));
}
.d-node.sel .pip {
  fill: var(--sphere-color, var(--color-primary));
}
.d-node.sel .halo {
  stroke: var(--sphere-color, var(--color-primary));
  opacity: 0.55;
  animation: halo-pulse 3.4s var(--ease-in-out) infinite;
}
.d-node.sel .tag {
  opacity: 1;
  fill: var(--sphere-color, var(--color-primary));
}
@keyframes halo-pulse {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 0.16;
    transform: scale(1.16);
  }
}
@keyframes dial-aura-breathe {
  0%,
  100% {
    opacity: 0.58;
  }
  50% {
    opacity: 0.92;
  }
}
@keyframes dial-corona-spin {
  to {
    rotate: 360deg;
  }
}

.spin-slow {
  transform-origin: 0 0;
  animation: dial-spin 420s linear infinite;
}
.spin-rev {
  transform-origin: 0 0;
  animation: dial-spin 300s linear infinite reverse;
}
.spin-core {
  transform-origin: 0 0;
  animation: dial-spin 90s linear infinite;
}
@keyframes dial-spin {
  to {
    rotate: 360deg;
  }
}

/* ============================================================
   Readout panel
   ============================================================ */

.readout {
  position: relative;
  border: 1px solid var(--color-hair-strong);
  background: color-mix(in oklab, var(--color-surface) 72%, transparent);
  backdrop-filter: blur(8px);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  box-shadow: var(--shadow-md);
}
[data-theme='vellum'] .readout {
  background:
    linear-gradient(145deg, rgba(255, 246, 215, 0.34), rgba(139, 91, 34, 0.08)),
    color-mix(in oklab, var(--color-surface) 82%, transparent);
  border-color: rgba(83, 54, 22, 0.34);
  box-shadow:
    0 1px 0 rgba(255, 248, 224, 0.5) inset,
    var(--shadow-md);
}
.readout::before,
.readout::after {
  content: '';
  position: absolute;
  width: 9px;
  height: 9px;
  border: 1px solid var(--color-primary);
  opacity: 0.6;
}
.readout::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.readout::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.ro-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.ro-desig {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--color-primary);
}
.ro-sphere {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.ro-sigil {
  width: 62px;
  height: 62px;
  flex: none;
  color: var(--color-primary);
}
.ro-sigil svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
#d-core {
  color: var(--color-primary);
}
#d-core .sigil-stroke {
  stroke-width: 1.2;
}

.sigil-stroke {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
/* --path-length is measured per stroke in ambient.js; the fallback keeps the
   draw-in working for anything rendered before the measurement lands. */
.sigil-anim .sigil-stroke {
  stroke-dasharray: var(--path-length, 300);
  stroke-dashoffset: var(--path-length, 300);
  animation: draw 900ms var(--ease-out) forwards;
}
.sigil-anim .sigil-stroke:nth-child(2) {
  animation-delay: 120ms;
}
.sigil-anim .sigil-stroke:nth-child(3) {
  animation-delay: 240ms;
}
.sigil-anim .sigil-stroke:nth-child(4) {
  animation-delay: 340ms;
}
.sigil-anim .sigil-stroke:nth-child(5) {
  animation-delay: 430ms;
}

.ro-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.05;
  color: var(--color-text);
}
.ro-epi {
  font-family: var(--font-body);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-4);
  max-width: 46ch;
}
.ro-meta {
  display: grid;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.ro-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  color: var(--color-text-muted);
}
.ro-row dt {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.ro-row .leader {
  flex: 1;
  min-width: var(--space-4);
  height: 1px;
  align-self: center;
  background: repeating-linear-gradient(
    90deg,
    var(--color-hair) 0 1px,
    transparent 1px 4px
  );
}
.ro-row dd {
  text-align: right;
  color: var(--color-text);
}
.st {
  color: var(--color-verdigris);
}
.st[data-st='in-flight'],
.st[data-st='prototype'],
.st[data-st='open'] {
  color: var(--color-primary);
}

.ro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-1);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
}
.btn:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}
.btn:active {
  transform: translateY(1px);
}
.btn-ghost {
  border-color: var(--color-hair-strong);
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}

.stage-hint {
  position: fixed;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: calc(var(--chrome-foot) + var(--space-3));
  max-width: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  text-align: center;
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.stage-hint kbd {
  font-family: inherit;
  border: 1px solid var(--color-hair-strong);
  padding: 1px 5px;
  color: var(--color-text-muted);
}

.intro-dialog {
  width: min(calc(100% - var(--space-8)), 38rem);
  max-height: calc(100dvh - var(--space-8));
  margin: auto;
  padding: clamp(var(--space-6), 5vw, var(--space-10));
  overflow: auto;
  border: 1px solid var(--color-hair-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}
.intro-dialog[open] {
  display: grid;
  gap: var(--space-5);
}
.intro-dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(5px);
}
.intro-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.intro-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
}
.intro-copy {
  display: grid;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-muted);
}
.intro-copy p {
  margin: 0;
}
.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.intro-trigger {
  min-height: 24px;
  padding: 0;
  border-bottom: 1px solid var(--color-hair-strong);
  color: var(--color-primary);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
}
.intro-trigger:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

/* ============================================================
   INDEX (ledger)
   ============================================================ */

.page {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: clamp(var(--space-10), 7vw, var(--space-24))
    clamp(var(--space-4), 4vw, var(--space-10)) var(--space-20);
}
.page-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.page-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1;
}
.page-lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 58ch;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-hair);
}
.chip {
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-hair-strong);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.chip:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}
.chip[aria-pressed='true'] {
  color: var(--color-bg);
  background: var(--color-primary);
  border-color: var(--color-primary);
}
[data-theme='vellum'] .chip[aria-pressed='true'] {
  color: var(--color-surface-2);
}
.filter-search {
  flex: 1;
  min-width: 180px;
  min-height: 44px;
  background: transparent;
  border: 1px solid var(--color-hair-strong);
  padding: 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text);
}
.filter-search::placeholder {
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.75rem;
}
.filter-search:focus-visible {
  border-color: var(--color-primary);
  outline-offset: 0;
}

.ledger {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}
.ledger thead th {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-hair-strong);
  color: var(--color-text-faint);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ledger thead th button {
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
  min-height: 32px;
}
.ledger thead th button:hover {
  color: var(--color-primary);
}
.ledger thead th .arrow {
  opacity: 0;
}
.ledger thead th[aria-sort] {
  color: var(--color-primary);
}
.ledger thead th[aria-sort] .arrow {
  opacity: 1;
}
.ledger tbody tr {
  border-bottom: 1px solid var(--color-hair);
  cursor: pointer;
  transition: background var(--transition-interactive);
}
.ledger tbody tr:hover {
  background: color-mix(in oklab, var(--color-primary) 7%, transparent);
}
.ledger td {
  padding: var(--space-4) var(--space-3);
  vertical-align: middle;
  color: var(--color-text-muted);
}
.ledger td.c-sigil {
  width: 46px;
}
.ledger td.c-sigil span {
  display: block;
  width: 30px;
  height: 30px;
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}
.ledger tbody tr:hover td.c-sigil span {
  color: var(--color-primary);
}
.ledger td.c-title a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.ledger tbody tr:hover td.c-title a {
  color: var(--color-primary);
}
.ledger td.c-desig {
  color: var(--color-text-faint);
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.ledger td.c-tags {
  color: var(--color-text-faint);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}
.ledger td.c-date {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 900px) {
  .ledger .hide-sm {
    display: none;
  }
}

.empty-state {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-20) var(--space-6);
  color: var(--color-text-muted);
}
.empty-state .es-glyph {
  width: 72px;
  height: 72px;
  color: var(--color-text-faint);
  animation: es-drift 6s var(--ease-in-out) infinite;
}
@keyframes es-drift {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.5;
  }
  50% {
    transform: translateY(-8px) rotate(8deg);
    opacity: 0.9;
  }
}
.empty-state h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.empty-state p {
  max-width: 40ch;
  font-size: var(--text-sm);
}

/* skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 25%,
    var(--color-surface-2) 50%,
    var(--color-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}
.sk-line {
  height: 0.9em;
  margin-bottom: var(--space-3);
}
.sk-wrap {
  padding: var(--space-12) 0;
  max-width: 46rem;
}

/* ============================================================
   READER
   ============================================================ */

.entry {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: clamp(var(--space-8), 5vw, var(--space-16))
    clamp(var(--space-4), 4vw, var(--space-10)) var(--space-24);
}

.entry-head {
  display: grid;
  gap: var(--space-5);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-hair);
  margin-bottom: var(--space-10);
}
.entry-desig {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.entry-desig .hr {
  flex: 1;
  height: 1px;
  background: var(--color-hair);
}
.entry-desig .dim {
  color: var(--color-text-faint);
  letter-spacing: 0.14em;
}
.entry-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: 0.98;
  letter-spacing: -0.01em;
  max-width: 30ch;
}
.entry-epi {
  font-family: var(--font-body);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-text-muted);
  max-width: 44ch;
}
.entry-epi::before {
  content: '';
  display: block;
  width: 44px;
  height: 1px;
  background: var(--color-primary);
  margin-bottom: var(--space-4);
  opacity: 0.7;
}

.entry-body {
  display: grid;
  grid-template-columns: 16rem minmax(0, 68ch);
  gap: clamp(var(--space-6), 4vw, var(--space-16));
  align-items: start;
}

/* marginal apparatus */
.apparatus {
  position: sticky;
  top: calc(var(--chrome-top) + var(--space-6));
  display: grid;
  gap: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.app-sigil {
  width: 96px;
  height: 96px;
  color: var(--color-primary);
}
.app-sigil svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.app-block {
  display: grid;
  gap: var(--space-1);
}
.app-block h3 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-hair);
  margin-bottom: var(--space-2);
}
.app-row {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  color: var(--color-text);
  line-height: 1.7;
}
.app-row .k {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.app-row .leader {
  flex: 1;
  min-width: var(--space-3);
  height: 1px;
  align-self: center;
  background: repeating-linear-gradient(
    90deg,
    var(--color-hair) 0 1px,
    transparent 1px 4px
  );
}
.app-row .v {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
}
.app-tags span {
  color: var(--color-text-muted);
  border: 1px solid var(--color-hair);
  padding: 1px var(--space-2);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}
.app-link {
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.6875rem;
  display: flex;
  gap: var(--space-2);
  min-height: 40px;
  align-items: center;
  overflow-wrap: anywhere;
}
.app-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* prose */
.prose p,
.prose li,
.prose blockquote {
  max-width: none;
}
.prose {
  max-width: 68ch;
  font-size: var(--text-base);
  line-height: 1.72;
}
.prose > * + * {
  margin-top: var(--space-6);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.1;
  margin-top: var(--space-16);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-hair);
  position: relative;
}
.prose h2::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--color-primary);
  rotate: 45deg;
}
.prose h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  margin-top: var(--space-10);
}
.prose p > strong {
  font-weight: 600;
  color: var(--color-text);
}
.prose em {
  font-style: italic;
}
.prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.prose a:hover {
  background: color-mix(in oklab, var(--color-primary) 16%, transparent);
}
.prose ul,
.prose ol {
  padding-left: var(--space-6);
  display: grid;
  gap: var(--space-2);
}
.prose li::marker {
  color: var(--color-primary);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--color-verdigris);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  padding: 0 4px;
  overflow-wrap: anywhere;
}
.prose blockquote {
  border-left: 1px solid var(--color-primary);
  padding-left: var(--space-6);
  font-style: italic;
  color: var(--color-text-muted);
}
.prose > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.9em;
  line-height: 0.78;
  padding: 0.06em 0.09em 0 0;
  color: var(--color-primary);
}

/* plate */
.plate {
  margin: var(--space-16) 0;
  display: grid;
  gap: var(--space-3);
}
.plate img,
.plate video {
  width: 100%;
  border: 1px solid var(--color-hair-strong);
  opacity: var(--plate-opacity);
  background: var(--color-bg-deep);
}
.plate figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  max-width: 62ch;
}
.plate figcaption::before {
  content: 'PL. ';
  color: var(--color-primary);
  letter-spacing: 0.16em;
}
.plate-bleed {
  margin-left: 0;
  margin-right: calc(-1 * clamp(0px, 4vw, 6rem));
  max-width: none;
}

/* progress dial */
#progress {
  position: fixed;
  right: clamp(var(--space-3), 2vw, var(--space-6));
  bottom: calc(var(--chrome-foot) + var(--space-4));
  z-index: 90;
  width: 52px;
  height: 52px;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
  pointer-events: none;
}
#progress.on {
  opacity: 1;
}
#progress svg {
  width: 100%;
  height: 100%;
}
#progress .bg {
  fill: color-mix(in oklab, var(--color-bg) 85%, transparent);
  stroke: var(--color-hair-strong);
  stroke-width: 1;
}
#progress .arc {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  transition: stroke-dashoffset 120ms linear;
}
#progress text {
  fill: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  text-anchor: middle;
  dominant-baseline: middle;
}
@media (max-width: 720px) {
  #progress {
    width: 42px;
    height: 42px;
  }
}

/* resonance footer */
.resonance {
  margin-top: var(--space-24);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-hair);
}
.resonance h2 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.res-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1px;
  background: var(--color-hair);
  border: 1px solid var(--color-hair);
}
.res-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-bg);
  text-decoration: none;
  color: var(--color-text);
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive);
}
.res-card:hover {
  background: var(--color-surface-2);
}
.res-card .rc-sigil {
  width: 40px;
  height: 40px;
  color: var(--color-text-faint);
  transition: color var(--transition-interactive);
}
.res-card:hover .rc-sigil {
  color: var(--color-primary);
}
.res-card .rc-desig {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--color-text-faint);
}
.res-card .rc-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.1;
}
.res-card:hover .rc-title {
  color: var(--color-primary);
}
.res-card .rc-sum {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.entry-nav {
  margin-top: var(--space-12);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================================
   OPERATOR
   ============================================================ */

.op-grid {
  display: grid;
  grid-template-columns: 1fr minmax(0, 1.25fr);
  gap: clamp(var(--space-8), 5vw, var(--space-20));
  align-items: start;
}
.op-side {
  display: grid;
  gap: var(--space-6);
  position: sticky;
  top: calc(var(--chrome-top) + var(--space-6));
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}
.op-side .app-block h3 {
  font-size: 0.6875rem;
}
.op-list {
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.op-list li {
  display: flex;
  gap: var(--space-3);
}
.op-list li::before {
  content: '·';
  color: var(--color-primary);
}
.op-col {
  min-width: 0;
}

/* record of service */
.op-timeline {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-hair);
}
.tl-row {
  display: grid;
  grid-template-columns: 8.5rem 1.25rem minmax(0, 1fr);
  align-items: start;
  gap: 0;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-hair);
}
.tl-span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding-top: 0.35em;
  white-space: nowrap;
}
.tl-mark {
  position: relative;
  align-self: stretch;
  justify-self: center;
  width: 1px;
  background: var(--color-hair-strong);
}
.tl-mark::before {
  content: '';
  position: absolute;
  top: 0.5em;
  left: 50%;
  width: 7px;
  height: 7px;
  transform: translateX(-50%) rotate(45deg);
  border: 1px solid var(--color-primary);
  background: var(--color-bg);
}
.tl-body {
  padding-left: var(--space-5);
}
.tl-role {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-lg);
  line-height: 1.15;
  color: var(--color-text);
}
.tl-org {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  max-width: none;
}
.tl-note {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 58ch;
}

.op-prose {
  max-width: 66ch;
  font-size: var(--text-base);
  line-height: 1.72;
}
.op-prose > * + * {
  margin-top: var(--space-6);
}
.op-prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-top: var(--space-12);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-hair);
}
.op-prose:first-of-type > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.9em;
  line-height: 0.78;
  padding: 0.06em 0.09em 0 0;
  color: var(--color-primary);
}
.op-prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   Glyph scramble
   ============================================================ */

.scramble {
  display: inline-block;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1080px) {
  .entry-body {
    grid-template-columns: minmax(0, 1fr);
  }
  .apparatus {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
    gap: var(--space-6);
    padding: var(--space-6);
    border: 1px solid var(--color-hair);
    align-items: start;
  }
  .app-sigil {
    width: 64px;
    height: 64px;
  }
  .op-grid {
    grid-template-columns: 1fr;
  }
  .op-side {
    position: static;
    grid-column: 1;
    grid-row: auto;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
    gap: var(--space-8);
    align-items: start;
  }

}

@media (max-width: 1400px) {
  .dl-gloss {
    display: none;
  }
}

@media (max-width: 900px) {
  .stage {
    grid-template-columns: 1fr;
    align-content: start;
    gap: var(--space-8);
    padding-top: var(--space-8);
    padding-bottom: var(--space-12);
    min-height: 0;
  }
  .dial-wrap {
    order: -1;
  }
  .dial-wrap::before,
  .dial-wrap::after {
    top: min(46vw, 230px);
    width: min(96vw, 500px);
  }
  #dial {
    max-width: min(92vw, 460px);
  }
  .d-num,
  .d-node .tag {
    display: none;
  }
  .d-house {
    font-size: 26px;
  }
  .readout {
    padding: var(--space-5);
  }
  .stage-hint > span {
    display: none;
  }
  .dial-legend {
    position: static;
    justify-items: start;
    justify-content: center;
    margin: 0 auto var(--space-5);
  }
  .dial-wrap {
    display: block;
  }
  #dial {
    display: block;
    margin-inline: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --chrome-top: 60px;
  }
  .mark-text em {
    display: none;
  }
  .nav-link {
    letter-spacing: 0.1em;
    font-size: 0.75rem;
  }
  .chrome-foot {
    font-size: 0.6875rem;
    gap: var(--space-2);
  }
  #foot-coords,
  #foot-count {
    display: none;
  }
  .plate-bleed {
    margin-inline: 0;
    padding-inline: 0;
    max-width: 100%;
  }
  .prose > p:first-of-type::first-letter,
  .op-prose:first-of-type > p:first-of-type::first-letter {
    font-size: 3.2em;
  }
  .tl-row {
    grid-template-columns: 1.25rem minmax(0, 1fr);
    row-gap: var(--space-2);
  }
  .tl-span {
    grid-column: 1 / -1;
    padding-top: 0;
  }
  .tl-mark::before {
    top: 0;
  }
}

@media (max-width: 580px) {
  .mark-text {
    display: none;
  }
  .chrome-top {
    padding-inline: var(--space-4);
  }
  .nav {
    gap: var(--space-4);
  }
  .dl-gloss {
    display: none;
  }
}

@media (max-width: 420px) {
  .mark-text strong {
    letter-spacing: 0.16em;
    font-size: 0.75rem;
  }
  .theme-name {
    display: none;
  }
  .icon-btn {
    padding: 0;
  }
}

/* ledger column proportions */
@media (min-width: 901px) {
  .ledger th:nth-child(3),
  .ledger td:nth-child(3) {
    width: 36%;
  }
  .ledger th:nth-child(4),
  .ledger td:nth-child(4) {
    width: 11%;
  }
  .ledger th:nth-child(7),
  .ledger td:nth-child(7) {
    width: 21%;
  }
}

@media (max-width: 900px) {
  .ledger {
    table-layout: auto;
  }
  .ledger th:first-child,
  .ledger td.c-sigil {
    width: 42px;
  }
  .ledger td.c-date,
  .ledger th:nth-child(5) {
    white-space: nowrap;
    text-align: right;
  }
}

@media (max-width: 560px) {
  .ledger td.c-desig,
  .ledger th:nth-child(2) {
    display: none;
  }
  .ledger .c-title a {
    font-size: var(--text-base);
  }
  .filter-search {
    flex: 1 1 100%;
    min-width: 0;
  }
}

/* Hardware-accelerated glows for selected elements */
.d-node.sel,
.d-track.sel,
.d-res.on {
  filter: drop-shadow(0 0 5px color-mix(in oklab, var(--sphere-color, var(--color-primary)) 60%, transparent));
}

/* Disable the expensive blur math when the user is actively dragging the dial to maintain 60fps */
#dial.dragging .d-node.sel,
#dial.dragging .d-track.sel,
#dial.dragging .d-res.on {
  filter: none;
}

/* ============================================================
   Presentation polish
   Static or compositor-only layers: no JS-driven layout, no image assets.
   ============================================================ */

/* --- film grain ---
   Inline SVG turbulence, so it costs a data URI rather than a request. It sits
   above everything but takes no pointer events. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: var(--grain-opacity, 0.04);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}
[data-theme='vellum'] body::after {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    linear-gradient(115deg, transparent, rgba(92, 57, 20, 0.18), transparent 62%);
  background-size: 220px 220px, 100% 100%;
  mix-blend-mode: multiply;
}

/* --- cursor lume ---
   The layer is injected by ambient.js on the panels it matches. The gradient
   only moves; nothing here triggers layout or paint of the panel's contents. */
.app-block {
  position: relative;
}
.lume {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    circle 240px at var(--mx, 50%) var(--my, 50%),
    var(--color-glow),
    transparent 70%
  );
  mix-blend-mode: var(--lume-blend, screen);
  transition: opacity 300ms var(--ease-out);
}
.readout:hover > .lume,
.app-block:hover > .lume {
  opacity: 1;
}

/* --- route transitions ---
   Native View Transitions, driven from the router in app.js. Explicitly timed
   here because the blanket reduced-motion reset in base.css cannot reach
   view-transition pseudo-elements. */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 400ms;
    animation-timing-function: var(--ease-out);
  }
}