:root {
  color-scheme: light;
  --paper: #e8efeb;
  --paper-cool: #dfe9e5;
  --paper-glass: rgba(232, 239, 235, .86);
  --ink: #17201d;
  --graphite: #67736f;
  --graphite-strong: #3f4d49;
  --hairline: rgba(35, 61, 54, .22);
  --jade: #3f8f84;
  --jade-strong: #2f746b;
  --jade-faint: rgba(63, 143, 132, .14);
  --vermilion: #c7473e;
  --vermilion-faint: rgba(199, 71, 62, .12);
  --subhairline: rgba(35, 61, 54, .12);
  --body-grid-y: rgba(54, 92, 81, .038);
  --body-grid-x: rgba(54, 92, 81, .032);
  --head-start: rgba(232,239,235,.98);
  --head-end: rgba(232,239,235,.78);
  --legend-start: rgba(242,247,244,.995);
  --legend-mid: rgba(235,242,238,.975);
  --legend-end: rgba(232,239,235,.9);
  --surface-solid: #edf4f0;
  --surface-strong: rgba(238,243,240,.985);
  --surface-raised: rgba(238,243,240,.94);
  --surface-soft: rgba(238,243,240,.78);
  --surface-faint: rgba(255,255,255,.34);
  --surface-image: rgba(255,255,255,.32);
  --surface-stack: rgba(244,248,246,.74);
  --surface-shadow-stack: rgba(232,239,235,.8);
  --surface-main-a: rgba(255,255,255,.42);
  --surface-main-b: rgba(217,231,225,.2);
  --prompt-ink: #35413d;
  --shadow-soft: rgba(31,57,50,.08);
  --shadow-medium: rgba(20,35,31,.16);
  --shadow-deep: rgba(20,35,31,.23);
  --scrim: rgba(18,28,25,.28);
  --time-shadow: rgba(232,239,235,.9);
  --lens: radial-gradient(circle, rgba(255,255,255,.24), rgba(63,143,132,.035) 42%, transparent 72%);
  --wave-jade: rgba(55,99,87,.065);
  --wave-vermilion: rgba(199,71,62,.055);
  --orbit-jade: rgba(63,143,132,.09);
  --serif: "Iowan Old Style", "Yu Mincho", "Noto Serif CJK TC", "Songti TC", serif;
  --sans: Inter, "Noto Sans CJK TC", "Microsoft JhengHei", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --type-micro: clamp(.625rem, calc(.5rem + .2vw), .6875rem);
  --type-meta: clamp(.6875rem, calc(.5rem + .35vw), .8125rem);
  --type-ui: clamp(.8125rem, calc(.625rem + .32vw), .9375rem);
  --type-body: clamp(.875rem, calc(.6875rem + .32vw), 1rem);
  --world-micro: 1.0625rem;
  --world-meta: 1.125rem;
  --world-title: 1.5rem;
}

:root[data-day="0"] {
  color-scheme: dark;
  --paper: #090d0c;
  --paper-cool: #111816;
  --paper-glass: rgba(9, 13, 12, .88);
  --ink: #edf3f0;
  --graphite: #8f9d97;
  --graphite-strong: #c9d4cf;
  --hairline: rgba(211, 228, 221, .2);
  --jade: #67b2a6;
  --jade-strong: #86c9bd;
  --jade-faint: rgba(103, 178, 166, .16);
  --vermilion: #d45b51;
  --vermilion-faint: rgba(212, 91, 81, .16);
  --subhairline: rgba(211, 228, 221, .11);
  --body-grid-y: rgba(133, 177, 162, .05);
  --body-grid-x: rgba(133, 177, 162, .042);
  --head-start: rgba(12,18,16,.985);
  --head-end: rgba(10,15,14,.86);
  --legend-start: rgba(16,23,21,.995);
  --legend-mid: rgba(13,20,18,.98);
  --legend-end: rgba(10,15,14,.92);
  --surface-solid: #111816;
  --surface-strong: rgba(14,21,19,.988);
  --surface-raised: rgba(18,27,24,.96);
  --surface-soft: rgba(15,23,21,.84);
  --surface-faint: rgba(237,243,240,.06);
  --surface-image: rgba(237,243,240,.055);
  --surface-stack: rgba(24,34,31,.88);
  --surface-shadow-stack: rgba(7,11,10,.88);
  --surface-main-a: rgba(237,243,240,.045);
  --surface-main-b: rgba(72,112,99,.07);
  --prompt-ink: #c7d3ce;
  --shadow-soft: rgba(0,0,0,.28);
  --shadow-medium: rgba(0,0,0,.38);
  --shadow-deep: rgba(0,0,0,.58);
  --scrim: rgba(0,0,0,.6);
  --time-shadow: rgba(9,13,12,.95);
  --lens: radial-gradient(circle, rgba(103,178,166,.12), rgba(103,178,166,.035) 42%, transparent 72%);
  --wave-jade: rgba(103,178,166,.075);
  --wave-vermilion: rgba(212,91,81,.07);
  --orbit-jade: rgba(103,178,166,.12);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body {
  color: var(--ink);
  background:
    linear-gradient(var(--body-grid-y) 1px, transparent 1px),
    linear-gradient(90deg, var(--body-grid-x) 1px, transparent 1px),
    var(--paper);
  background-size: 64px 64px;
  font-family: var(--sans);
  transition: color .28s ease, background-color .28s ease;
}
button, a { color: inherit; font: inherit; }
button:focus-visible, a:focus-visible { outline: 1px solid var(--vermilion); outline-offset: 4px; }

#ink-field { position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; opacity: .68; }
.cursor-lens {
  position: fixed;
  z-index: 8;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  pointer-events: none;
  background: var(--lens);
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity .35s ease;
}
body.has-pointer .cursor-lens { opacity: 1; }

.instrument-head {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--head-start), var(--head-end));
  backdrop-filter: blur(12px);
  transition: background .28s ease, border-color .28s ease;
}
.wordmark { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: 0 8px; color: inherit; text-decoration: none; }
.wordmark span { color: var(--jade); font: 700 13px var(--serif); letter-spacing: .16em; }
.wordmark b { font: 500 20px var(--serif); letter-spacing: .07em; }
.wordmark i { grid-column: 1 / -1; margin-top: 4px; color: var(--graphite); font: normal var(--type-micro)/1.2 var(--mono); letter-spacing: .14em; }
.head-state { display: flex; align-items: center; gap: 18px; color: var(--graphite-strong); font: var(--type-meta)/1.2 var(--mono); letter-spacing: .08em; }
.head-state span + span::before { content: "◇"; margin-right: 18px; color: var(--jade); }
.head-state a { padding: 9px 12px; border: 1px solid var(--hairline); color: inherit; text-decoration: none; transition: border-color .2s ease, color .2s ease; }
.head-state a small { display: block; margin-top: 3px; color: var(--graphite); font: 600 var(--type-micro)/1.1 var(--mono); letter-spacing: .025em; text-transform: lowercase; }
.head-state a:hover { color: var(--vermilion); border-color: var(--vermilion); }
.head-state button {
  min-width: 48px;
  height: 32px;
  border: 1px solid var(--hairline);
  background: var(--surface-faint);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}
.head-state button:hover { color: var(--vermilion); border-color: var(--vermilion); transform: translateY(-1px); }

.field-legend {
  position: fixed;
  z-index: 20;
  top: 72px;
  bottom: 0;
  left: 0;
  width: 244px;
  padding: 32px 26px 24px 28px;
  overflow-y: auto;
  border-right: 1px solid var(--hairline);
  background: linear-gradient(90deg, var(--legend-start), var(--legend-mid) 78%, var(--legend-end));
  box-shadow: 14px 0 34px var(--shadow-soft);
  backdrop-filter: blur(14px) saturate(.9);
  transition: background .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.legend-kicker { margin: 0 0 13px; color: var(--jade-strong); font: 600 var(--type-micro)/1.4 var(--mono); letter-spacing: .16em; }
.field-legend h1 { margin: 0; font: 400 38px/.92 var(--serif); letter-spacing: .04em; }
.field-legend h1 strong { color: var(--vermilion); font-weight: 400; }
.legend-thesis { margin: 16px 0 20px; color: var(--graphite-strong); font: 500 var(--type-body)/1.65 var(--sans); }
.branch-filter { position: relative; display: grid; gap: 1px; }
.branch-filter::before { content: ""; position: absolute; top: 9px; bottom: 9px; left: 6px; width: 1px; background: linear-gradient(var(--jade), var(--vermilion)); opacity: .38; transition: opacity .2s ease, filter .2s ease; }
.branch-filter[data-axis-active="true"]::before { opacity: .72; filter: drop-shadow(0 0 4px color-mix(in srgb,var(--vermilion) 24%,transparent)); }
.branch-filter button {
  position: relative;
  display: grid;
  grid-template-columns: 14px 1fr auto;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 35px;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.branch-filter button::before { content: ""; z-index: 1; width: 7px; height: 7px; border: 1px solid var(--graphite-strong); border-radius: 50%; background: var(--surface-solid); transition: .22s ease; }
.branch-filter button b { min-width: 0; overflow: hidden; color: var(--graphite-strong); font: 600 var(--type-ui)/1.2 var(--sans); text-overflow: ellipsis; white-space: nowrap; transition: color .22s ease, transform .22s ease; }
.branch-filter button b > span { display: block; overflow: hidden; text-overflow: ellipsis; }
.branch-filter button b > small { display: block; overflow: hidden; margin-top: 2px; color: var(--graphite); font: 600 var(--type-micro)/1.1 var(--mono); letter-spacing: .025em; text-overflow: ellipsis; text-transform: lowercase; }
.branch-filter button span { color: var(--graphite-strong); font: 600 var(--type-meta)/1 var(--mono); font-variant-numeric: tabular-nums; }
.branch-filter button:hover::before, .branch-filter button[data-active="true"]::before { border-color: var(--vermilion); background: var(--vermilion); box-shadow: 0 0 0 5px var(--vermilion-faint); }
.branch-filter button:hover b, .branch-filter button[data-active="true"] b { color: var(--ink); transform: translateX(3px); }
.lineage-site-menu { margin-top: 17px; padding-top: 13px; border-top: 1px solid var(--hairline); }
.lineage-site-menu header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.lineage-site-menu header p, .lineage-site-menu header span { margin: 0; color: var(--jade-strong); font: 600 var(--type-micro)/1.4 var(--mono); letter-spacing: .13em; }
.lineage-site-menu header span { color: var(--graphite-strong); font-variant-numeric: tabular-nums; }
.lineage-site-menu nav { display: grid; margin-top: 7px; border-top: 1px solid var(--subhairline); }
.lineage-site-menu a { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 8px; min-height: 32px; border-bottom: 1px solid var(--subhairline); color: var(--graphite-strong); text-decoration: none; transition: color .16s ease, padding-left .16s ease; }
.lineage-site-menu a b { min-width: 0; overflow: hidden; font: 600 var(--type-ui)/1.25 var(--sans); text-overflow: ellipsis; white-space: nowrap; }
.lineage-site-menu a small { color: var(--graphite); font: 600 var(--type-micro)/1 var(--mono); letter-spacing: .06em; }
.lineage-site-menu a:hover, .lineage-site-menu a:focus-visible { padding-left: 4px; color: var(--vermilion); }
.lineage-help { position: relative; margin-top: 10px; color: var(--graphite-strong); }
.lineage-help summary { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; min-height: 32px; border-block: 1px solid var(--subhairline); cursor: pointer; list-style: none; }
.lineage-help summary::-webkit-details-marker { display: none; }
.lineage-help summary b { font: 600 var(--type-ui)/1.25 var(--sans); }
.lineage-help summary small { color: var(--graphite); font: 600 var(--type-micro)/1 var(--mono); letter-spacing: .06em; }
.lineage-help summary::before { content: "+"; position: absolute; right: 0; color: var(--jade-strong); font: 500 11px var(--mono); transform: translateX(14px); }
.lineage-help[open] summary::before { content: "−"; }
.lineage-help p { position: absolute; z-index: 5; right: -10px; bottom: 38px; left: -10px; margin: 0; padding: 13px 11px; border: 1px solid var(--hairline); background: var(--surface-strong); box-shadow: 0 12px 28px var(--shadow-medium); color: var(--graphite-strong); font: 500 var(--type-meta)/1.65 var(--mono); letter-spacing: .015em; }
.lineage-help p b { color: var(--jade-strong); font-weight: 600; }

.field-viewport {
  position: fixed;
  z-index: 4;
  top: 72px;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.field-world, .leaf-field, .leaf-node, .leaf-node * { user-select: none; -webkit-user-select: none; }
.field-viewport.is-dragging { cursor: grabbing; }
.field-world { position: absolute; top: 0; left: 0; width: 5900px; height: 5200px; transform-origin: 0 0; will-change: transform; }
.lineage-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.lineage-link { opacity: .72; transition: opacity .3s ease; }
.lineage-path { fill: none; stroke: color-mix(in srgb, var(--jade-strong) 72%, transparent); stroke-width: 1.45; vector-effect: non-scaling-stroke; transition: stroke .3s ease, stroke-width .3s ease; }
.lineage-anchor { fill: var(--paper); stroke: var(--jade-strong); stroke-width: 1.35; vector-effect: non-scaling-stroke; transition: fill .25s ease, stroke .25s ease, r .25s ease; }
.lineage-link.is-active { opacity: 1; }
.lineage-link.is-active .lineage-path { stroke: var(--vermilion); stroke-width: 2; stroke-dasharray: 4 7; animation: flow 1.6s linear infinite; }
.lineage-link.is-active .lineage-anchor { fill: var(--vermilion); stroke: var(--paper); r: 6.5px; }
@keyframes flow { to { stroke-dashoffset: -22; } }

.leaf-node {
  position: absolute;
  border: 0;
  padding: 0;
  background: transparent;
  text-align: left;
  cursor: grab;
  filter: saturate(.82) contrast(.98);
  transition: opacity .35s ease, filter .35s ease, transform .35s cubic-bezier(.2,.8,.2,1);
  touch-action: none;
}
.leaf-node:hover, .leaf-node:focus-visible, .leaf-node[data-selected="true"] { z-index: 4; filter: saturate(1) contrast(1.03); }
.leaf-node[data-pressing="true"] { cursor: grab; }
.leaf-node[data-dragging="true"] { z-index: 8; cursor: grabbing; filter: saturate(1.05) drop-shadow(0 20px 28px var(--shadow-medium)); transition: none; }
.leaf-node[data-dragging="true"] .leaf-node__stack { transform: translate(16px,-12px) rotate(3deg); }
.leaf-node[data-filtered="true"] { opacity: .12; pointer-events: none; }
.leaf-node__number {
  position: absolute;
  z-index: 6;
  top: -18px;
  left: -1px;
  color: var(--vermilion);
  font: var(--world-micro)/1 var(--mono);
  letter-spacing: .12em;
}
.leaf-node__date { position: absolute; z-index: 6; top: -20px; right: 0; color: var(--graphite-strong); font: var(--world-micro)/1 var(--mono); letter-spacing: .05em; }
.leaf-node__image {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  background: var(--surface-image);
  box-shadow: 0 14px 42px var(--shadow-soft);
}
.leaf-node__stack { position: absolute; z-index: -1; inset: 0; background: var(--surface-stack); border: 1px solid var(--hairline); transform: translate(8px,-7px) rotate(1.4deg); box-shadow: 8px 8px 0 var(--surface-shadow-stack), 9px 9px 0 var(--subhairline); transition: transform .36s cubic-bezier(.2,.8,.2,1); }
.leaf-node:hover .leaf-node__stack, .leaf-node:focus-visible .leaf-node__stack { transform: translate(13px,-10px) rotate(2.4deg); }
.package-badge { position: absolute; z-index: 8; right: -7px; bottom: -7px; padding: 6px 8px; border: 1px solid var(--hairline); background: var(--surface-raised); color: var(--graphite-strong); font: normal var(--world-micro)/1 var(--mono); letter-spacing: .07em; }
.leaf-node__image::before, .leaf-node__image::after { content: ""; position: absolute; z-index: 3; pointer-events: none; opacity: 0; transition: opacity .25s ease, transform .5s cubic-bezier(.2,.8,.2,1); }
.leaf-node__image::before { inset: -9px; border: 1px solid var(--vermilion); clip-path: polygon(0 0, 20% 0, 20% 1px, 100% 1px, 100% 18%, calc(100% - 1px) 18%, calc(100% - 1px) 100%, 78% 100%, 78% calc(100% - 1px), 0 calc(100% - 1px)); transform: scale(.96); }
.leaf-node__image::after { inset: -20px; background: linear-gradient(var(--jade),var(--jade)) 0 50%/100% 1px no-repeat, linear-gradient(90deg,var(--jade),var(--jade)) 50% 0/1px 100% no-repeat; transform: scale(.78) rotate(-4deg); }
.leaf-node:hover .leaf-node__image::before, .leaf-node:hover .leaf-node__image::after,
.leaf-node:focus-visible .leaf-node__image::before, .leaf-node:focus-visible .leaf-node__image::after,
.leaf-node[data-selected="true"] .leaf-node__image::before { opacity: .78; transform: scale(1) rotate(0); }
.leaf-node img { display: block; width: 100%; height: 100%; object-fit: contain; }
.leaf-node__caption { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: end; padding-top: 9px; }
.leaf-node__caption b { color: var(--ink); font: 500 var(--world-title)/1.3 var(--serif); }
.leaf-node__caption b > span { display: block; }
.leaf-node__caption b > small { display: block; margin-top: 3px; color: var(--graphite-strong); font: 600 var(--world-micro)/1.25 var(--mono); letter-spacing: .025em; text-transform: lowercase; }
.leaf-node__caption span { color: var(--graphite-strong); font: var(--world-meta)/1.2 var(--mono); letter-spacing: .05em; }
.leaf-node__caption > span > small { display: block; max-width: 118px; margin-top: 3px; overflow: hidden; font: 600 var(--world-micro)/1.2 var(--mono); letter-spacing: .015em; text-overflow: ellipsis; text-transform: lowercase; white-space: nowrap; }

.karma-sigil { position: absolute; z-index: 7; left: var(--sigil-x); top: var(--sigil-y); width: var(--sigil-size); aspect-ratio: 1; pointer-events: none; opacity: 0; transform: translate(-50%,-50%) scale(.62) rotate(-9deg); transition: opacity .28s ease, transform .55s cubic-bezier(.17,.84,.31,1); filter: drop-shadow(0 0 9px color-mix(in srgb,var(--vermilion) 14%,transparent)); }
.karma-sigil svg { display: block; width: 100%; height: 100%; overflow: visible; }
.sigil-orbit, .sigil-axis { fill: none; stroke: var(--vermilion); stroke-width: .85; vector-effect: non-scaling-stroke; }
.sigil-orbit--jade { stroke: var(--jade); stroke-dasharray: 2 5; }
.sigil-axis { opacity: .72; }
.sigil-node { fill: var(--vermilion); }
.sigil-node--jade { fill: var(--jade); }
.sigil-seal { fill: var(--paper); stroke: var(--vermilion); stroke-width: 1; }
.leaf-node:hover .karma-sigil, .leaf-node:focus-visible .karma-sigil, .leaf-node[data-selected="true"] .karma-sigil { opacity: .95; transform: translate(-50%,-50%) scale(1) rotate(0); }
.leaf-node:hover .sigil-orbit, .leaf-node[data-selected="true"] .sigil-orbit { animation: orbit 8s linear infinite; transform-origin: 50px 50px; }
.leaf-node:hover .sigil-orbit--jade, .leaf-node[data-selected="true"] .sigil-orbit--jade { animation-direction: reverse; animation-duration: 5s; }
@keyframes orbit { to { transform: rotate(360deg); } }

.observation-axis { position: absolute; z-index: 2; top: 0; bottom: 0; left: 50%; width: 1px; background: linear-gradient(transparent, color-mix(in srgb,var(--vermilion) 42%,transparent) 15%, color-mix(in srgb,var(--vermilion) 42%,transparent) 85%, transparent); pointer-events: none; }
.observation-axis::before, .observation-axis::after { content: ""; position: absolute; left: -4px; width: 9px; height: 9px; border: 1px solid var(--vermilion); border-radius: 50%; background: var(--paper-glass); }
.observation-axis::before { top: 12%; }
.observation-axis::after { bottom: 12%; }
.observation-axis i { position: absolute; top: 50%; left: -5px; width: 11px; height: 11px; border: 1px solid var(--jade); transform: rotate(45deg); }
.observation-axis span { position: absolute; bottom: 16px; left: 9px; color: var(--graphite-strong); font: var(--type-micro)/1 var(--mono); letter-spacing: .14em; writing-mode: vertical-rl; }

.time-ruler {
  position: fixed;
  z-index: 18;
  right: 116px;
  bottom: 18px;
  left: 252px;
  height: 34px;
  display: grid;
  grid-template-columns: 62px 1fr 48px;
  align-items: center;
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  filter: drop-shadow(0 2px 5px var(--time-shadow));
}
.time-ruler__label, .time-current { color: var(--graphite-strong); font: var(--type-micro)/1 var(--mono); letter-spacing: .11em; }
.time-current { text-align: right; }
.time-track { position: relative; display: grid; grid-template-columns: repeat(var(--leaf-count, 16), 1fr); align-items: center; height: 28px; }
.time-track::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--hairline); transition: background .2s ease, box-shadow .2s ease; }
.time-ruler[data-axis-active="true"] .time-track::before { background: linear-gradient(90deg, var(--hairline), color-mix(in srgb,var(--vermilion) 58%,transparent), var(--hairline)); box-shadow: 0 0 5px color-mix(in srgb,var(--vermilion) 12%,transparent); }
.time-track button { position: relative; z-index: 1; justify-self: center; width: 7px; height: 7px; padding: 0; border: 1px solid var(--graphite); border-radius: 50%; background: var(--paper); cursor: pointer; transition: .2s ease; }
.time-track button:hover, .time-track button[data-active="true"] { border-color: var(--vermilion); background: var(--vermilion); box-shadow: 0 0 0 5px var(--vermilion-faint); transform: scale(1.1); }

.field-controls { position: fixed; z-index: 30; top: 90px; right: 18px; display: grid; justify-items: end; gap: 8px; color: var(--graphite-strong); font: var(--type-meta)/1 var(--mono); letter-spacing: .06em; }
.system-mode, .wheel-mode, .zoom-controls { display: flex; border: 1px solid var(--hairline); background: var(--paper-glass); backdrop-filter: blur(9px); box-shadow: 0 8px 30px var(--shadow-soft); }
.field-controls button { min-width: 40px; height: 38px; padding: 0 10px; border: 0; border-right: 1px solid var(--hairline); background: transparent; cursor: pointer; transition: color .2s ease, background .2s ease; }
.field-controls button:last-child { border-right: 0; }
.field-controls button:hover, .field-controls button[data-active="true"] { color: var(--vermilion); background: var(--vermilion-faint); }
.field-controls button:active { transform: scale(.97); }
.field-controls button span { margin-right: 5px; color: var(--jade); font-size: 11px; vertical-align: -1px; }
.field-controls button b { font-weight: 500; }
.system-mode { position: relative; z-index: 4; }
.wheel-mode, .zoom-controls { position: relative; z-index: 1; }
.system-mode > button, .native-language-control > button { display: inline-flex; min-width: 62px; align-items: center; justify-content: center; gap: 5px; }
.system-mode button small { color: var(--graphite-strong); font: 600 var(--type-micro)/1 var(--mono); letter-spacing: .035em; text-transform: lowercase; }
.system-mode .realm-icon { width: 13px; margin: 0; font-size: 12px; }
.native-language-control { position: relative; display: flex; }
.translate-icon { position: relative; display: inline-block; width: 16px; height: 15px; margin: 0 !important; color: var(--jade); }
.translate-icon b, .translate-icon i { position: absolute; font: 600 10px/1 var(--serif); }
.translate-icon b { top: 0; left: 0; }
.translate-icon i { right: 0; bottom: 0; font: normal 7px/1 var(--mono); }
.native-language-menu { position: absolute; z-index: 4; top: calc(100% + 7px); right: 0; width: 132px; display: grid; padding: 5px; border: 1px solid var(--hairline); background: var(--surface-strong); box-shadow: 0 16px 38px var(--shadow-medium); opacity: 0; pointer-events: none; transform: translateY(-4px) scale(.98); transform-origin: top right; transition: opacity .16s ease, transform .2s cubic-bezier(.2,.8,.2,1); }
.native-language-control.is-open .native-language-menu { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
.native-language-menu button { width: 100%; min-width: 0; height: 32px; justify-content: flex-start; border-right: 0; color: var(--graphite-strong); text-align: left; }
.native-language-menu button[aria-checked="true"] { color: var(--vermilion); background: var(--vermilion-faint); }
.zoom-controls output { display: grid; min-width: 46px; place-items: center; border-right: 1px solid var(--hairline); color: var(--jade); font-variant-numeric: tabular-nums; }
.field-viewport[data-wheel-mode="zoom"] { cursor: zoom-in; }

.dossier-scrim { position: fixed; z-index: 38; inset: 0; background: var(--scrim); backdrop-filter: blur(5px) saturate(.78); }
.leaf-dossier { position: fixed; z-index: 40; inset: 0; display: grid; place-items: center; padding: 42px; pointer-events: none; opacity: 0; transform: scale(.94); transition: opacity .25s ease, transform .42s cubic-bezier(.18,.82,.18,1); }
.leaf-dossier.is-open { pointer-events: auto; opacity: 1; transform: scale(1); cursor: zoom-out; }
.dossier-frame { position: relative; width: min(1180px, calc(100vw - 84px)); height: min(820px, calc(100vh - 92px)); overflow: hidden; border: 1px solid var(--hairline); background: var(--surface-strong); box-shadow: 0 36px 110px var(--shadow-deep); cursor: default; }
.dossier-frame::before, .dossier-frame::after { content: ""; position: absolute; z-index: 5; pointer-events: none; }
.dossier-frame::before { inset: 10px; border: 1px solid color-mix(in srgb,var(--vermilion) 18%,transparent); clip-path: polygon(0 0, 12% 0, 12% 1px, 100% 1px, 100% 15%, calc(100% - 1px) 15%, calc(100% - 1px) 100%, 86% 100%, 86% calc(100% - 1px), 0 calc(100% - 1px)); }
.dossier-frame::after { top: 0; left: 50%; width: 1px; height: 26px; background: var(--vermilion); }
.dossier-chrome { height: 62px; display: grid; grid-template-columns: 1fr auto 42px; align-items: center; gap: 18px; padding: 0 15px 0 24px; border-bottom: 1px solid var(--hairline); }
.dossier-chrome div { display: flex; align-items: baseline; gap: 13px; }
.dossier-chrome span, .dossier-chrome p { margin: 0; color: var(--graphite-strong); font: var(--type-micro)/1.2 var(--mono); letter-spacing: .12em; }
.dossier-chrome b { font: 400 19px var(--serif); letter-spacing: .06em; }
.dossier-chrome b > span { display: block; }
.dossier-chrome b > small { display: block; margin-top: 3px; color: var(--graphite); font: 600 var(--type-micro)/1.15 var(--mono); letter-spacing: .025em; text-transform: lowercase; }
.dossier-close { width: 38px; height: 38px; border: 1px solid var(--hairline); background: var(--surface-soft); cursor: pointer; font: 20px var(--serif); transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.dossier-close:hover { color: var(--vermilion); border-color: var(--vermilion); transform: rotate(4deg); }
.dossier-body { display: grid; grid-template-columns: minmax(0, 1.62fr) minmax(300px, .86fr); height: calc(100% - 62px); min-height: 0; }
.package-stage { position: relative; min-width: 0; min-height: 0; display: grid; grid-template-rows: minmax(0,1fr) 92px 25px; padding: 24px 18px 15px 24px; border-right: 1px solid var(--hairline); }
.package-main { position: relative; min-height: 0; display: grid; place-items: center; overflow: hidden; background: linear-gradient(135deg,var(--surface-main-a),var(--surface-main-b)); }
.package-main::before { content: ""; position: absolute; inset: 50% auto auto 50%; width: min(42vw,520px); aspect-ratio: 1; border: 1px solid color-mix(in srgb,var(--jade) 12%,transparent); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 0 48px color-mix(in srgb,var(--jade) 3.5%,transparent), 0 0 0 96px color-mix(in srgb,var(--jade) 1.8%,transparent); }
.dossier-figure { position: relative; z-index: 1; width: 100%; height: 100%; min-width: 0; min-height: 0; margin: 0; display: grid; grid-template-rows: minmax(0,1fr) 24px; place-items: center; overflow: hidden; }
.dossier-figure img { grid-row: 1; display: block; width: 100%; height: 100%; min-width: 0; min-height: 0; object-fit: contain; object-position: center; filter: drop-shadow(0 16px 24px var(--shadow-soft)); }
.dossier-figure figcaption { grid-row: 2; width: 100%; display: flex; justify-content: space-between; align-self: end; gap: 16px; padding-top: 7px; color: var(--graphite-strong); font: var(--type-micro)/1.4 var(--mono); }
.package-step { position: absolute; z-index: 4; top: 50%; width: 38px; height: 58px; border: 0; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--surface-soft); color: var(--graphite); cursor: pointer; font: 32px var(--serif); transform: translateY(-50%); transition: color .2s ease, background .2s ease; }
.package-step:hover { color: var(--vermilion); background: var(--surface-raised); }
.package-step--prev { left: 0; }
.package-step--next { right: 0; }
.package-strip { min-width: 0; display: flex; align-items: center; gap: 9px; overflow-x: auto; padding: 10px 2px; scrollbar-width: none; scroll-snap-type: x proximity; }
.package-strip::-webkit-scrollbar { display: none; }
.package-strip button { position: relative; flex: 0 0 64px; height: 64px; padding: 0; border: 1px solid transparent; background: var(--surface-faint); cursor: pointer; scroll-snap-align: start; transition: border-color .2s ease, transform .2s ease, opacity .2s ease; opacity: .62; }
.package-strip button:hover, .package-strip button[data-active="true"] { border-color: var(--vermilion); transform: translateY(-2px); opacity: 1; }
.package-strip img { display: block; width: 100%; height: 100%; object-fit: contain; }
.package-strip span { position: absolute; right: 2px; bottom: 1px; padding: 2px 4px; background: var(--surface-raised); color: var(--graphite-strong); font: var(--type-micro)/1 var(--mono); }
.package-position { margin: 0; align-self: end; color: var(--graphite-strong); font: var(--type-micro)/1 var(--mono); letter-spacing: .1em; }
.package-position > span { color: inherit; font: inherit; }
.package-position > small { margin-left: 5px; color: var(--graphite); font: 600 var(--type-micro)/1 var(--mono); letter-spacing: .02em; text-transform: lowercase; }
.package-ledger { min-width: 0; min-height: 0; padding: 28px 28px 60px; overflow-y: auto; scrollbar-width: none; mask-image: linear-gradient(to bottom,transparent 0,#000 22px,#000 calc(100% - 22px),transparent 100%); }
.package-ledger::-webkit-scrollbar { display: none; }
.dossier-kicker { margin: 0 0 10px; color: var(--jade); font: var(--type-micro)/1.2 var(--mono); letter-spacing: .15em; }
.dossier-title { margin: 0 0 22px; font: 400 clamp(24px,2.7vw,38px)/1.12 var(--serif); text-wrap: balance; }
.dossier-title > span { display: block; }
.dossier-title > small { display: block; margin-top: 8px; color: var(--graphite); font: 600 var(--type-meta)/1.35 var(--mono); letter-spacing: .04em; text-transform: lowercase; }
.dossier-verdict { margin: 18px 0 24px; padding-left: 15px; border-left: 1px solid var(--vermilion); font: var(--type-body)/1.8 var(--serif); }
.dossier-detail-link { display: inline-block; margin: -4px 0 24px; padding: 10px 14px; border: 1px solid var(--vermilion); color: var(--vermilion); font: var(--type-micro)/1 var(--mono); letter-spacing: .09em; text-decoration: none; }
.dossier-detail-link:hover { color: white; background: var(--vermilion); }
.dossier-section { padding: 17px 0; border-top: 1px solid var(--hairline); }
.micro-label { margin: 0 0 12px; color: var(--jade); font: var(--type-micro)/1.2 var(--mono); letter-spacing: .14em; }
.micro-label small, .dossier-detail-link small { font: inherit; letter-spacing: .06em; text-transform: lowercase; }
.parent-row { display: flex; flex-wrap: wrap; gap: 7px; }
.parent-row button { padding: 8px 10px; border: 1px solid var(--hairline); background: transparent; cursor: pointer; font: var(--type-meta)/1.3 var(--serif); transition: .2s ease; }
.parent-row button:hover { color: var(--vermilion); border-color: var(--vermilion); }
.reference-list { display: grid; gap: 8px; }
.reference-list div { display: grid; grid-template-columns: 72px 1fr; gap: 10px; color: var(--graphite-strong); font: var(--type-meta)/1.6 var(--mono); }
.reference-list b { color: var(--ink); font-weight: 500; }
.prompt-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.prompt-head button { padding: 7px 10px; border: 1px solid var(--hairline); background: transparent; cursor: pointer; color: var(--graphite-strong); font: var(--type-micro)/1 var(--mono); }
.prompt-head button:hover { color: var(--vermilion); border-color: var(--vermilion); }
.exact-prompt { max-height: none; margin: 0; padding: 18px 0 0; overflow: visible; white-space: pre-wrap; word-break: break-word; color: var(--prompt-ink); font: var(--type-meta)/1.72 var(--mono); }
.dossier-provenance { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin: 0; }
.dossier-provenance div { min-width: 0; }
.dossier-provenance dt { color: var(--graphite); font: var(--type-micro)/1.2 var(--mono); letter-spacing: .09em; }
.dossier-provenance dd { margin: 4px 0 0; overflow-wrap: anywhere; font: var(--type-meta)/1.55 var(--mono); }

@media (max-width: 980px) {
  .instrument-head { padding-inline: 18px; }
  .head-state span:first-child { display: none; }
  .field-legend { width: 232px; padding: 26px 22px 20px; }
  .field-legend h1 { font-size: 32px; }
  .legend-thesis { margin: 14px 0 18px; }
  .field-viewport { left: 0; }
  .time-ruler { left: 240px; right: 100px; }
  .dossier-body { grid-template-columns: minmax(0,1.35fr) minmax(280px,.85fr); }
  .package-stage { padding-left: 18px; }
  .package-ledger { padding-inline: 22px; }
}

@media (max-width: 720px) {
  .instrument-head { height: 60px; }
  .wordmark b { font-size: 16px; }
  .head-state { gap: 10px; }
  .head-state span { display: none; }
  .field-legend {
    z-index: 24;
    top: 60px;
    right: 0;
    bottom: auto;
    width: auto;
    height: 70px;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 10px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
    overflow: hidden;
  }
  .legend-kicker, .legend-thesis, .lineage-help { display: none; }
  .lineage-site-menu { display: none; }
  .field-legend h1 { font-size: 20px; line-height: 1; white-space: nowrap; }
  .branch-filter { display: flex; min-width: 0; gap: 7px; overflow-x: auto; scrollbar-width: none; }
  .branch-filter::-webkit-scrollbar { display: none; }
  .branch-filter::before { display: none; }
  .branch-filter button { flex: 0 0 auto; display: flex; width: auto; min-height: 30px; gap: 6px; padding: 0 7px; border: 1px solid var(--hairline); }
  .branch-filter button::before { width: 5px; height: 5px; }
  .branch-filter button span { display: none; }
  .field-viewport { top: 130px; bottom: 0; left: 0; }
  .field-controls { top: 140px; right: 10px; }
  .system-mode > button, .native-language-control > button { min-width: 52px; padding-inline: 7px; }
  .wheel-mode button { min-width: 34px; padding-inline: 7px; }
  .wheel-mode button span { margin-right: 0; }
  .wheel-mode button { font-size: 0; }
  .wheel-mode button span { font-size: 11px; }
  .time-ruler { right: 10px; bottom: 10px; left: 10px; height: 38px; grid-template-columns: 58px 1fr 46px; gap: 5px; padding: 0 7px; }
  .time-ruler__label { font-size: 8px; }
  .leaf-dossier { padding: 10px; }
  .dossier-frame { width: 100%; height: calc(100vh - 20px); }
  .dossier-chrome { height: 54px; grid-template-columns: 1fr auto 38px; padding-left: 15px; }
  .dossier-chrome span { display: none; }
  .dossier-body { height: calc(100% - 54px); grid-template-columns: 1fr; grid-template-rows: minmax(300px,52vh) minmax(0,1fr); }
  .package-stage { grid-template-rows: minmax(0,1fr) 74px 20px; padding: 14px 12px 8px; border-right: 0; border-bottom: 1px solid var(--hairline); }
  .package-strip button { flex-basis: 52px; height: 52px; }
  .package-ledger { padding: 24px 18px 48px; }
  .dossier-title { font-size: 26px; }
}

@media (min-width: 721px) and (max-height: 820px) {
  .field-legend { overflow-y: auto; padding-bottom: 28px; scrollbar-width: thin; }
  .lineage-help { display: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .instrument-head, .field-legend, .system-mode, .wheel-mode, .zoom-controls, .native-language-menu { background: var(--surface-solid); backdrop-filter: none; }
}

@media (prefers-contrast: more) {
  .field-legend { border-right-color: var(--ink); }
  .branch-filter button b, .branch-filter button span, .legend-thesis, .lineage-help, .lineage-site-menu a { color: var(--ink); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}

::view-transition-old(root), ::view-transition-new(root) { animation-duration: .28s; animation-timing-function: cubic-bezier(.22,.78,.2,1); }