/* AYAZ.SYS page styles. Tokens first; the engine's own selectors are untouched. */

:root {
  --sc-canvas:     #0A0B09;
  --sc-surface:    #12140F;
  --sc-ink:        #E8E3D3;
  --sc-ink-soft:   #A29E88;
  --sc-accent:     #7BE495;
  --sc-accent-ink: #0A0B09;
  --sc-font-display: "Geist", system-ui, sans-serif;
  --sc-font-text:    "Geist", system-ui, sans-serif;
  --sc-font-mono:    "Geist Mono", ui-monospace, monospace;
  --bitmap: "VT323", "Geist Mono", ui-monospace, monospace;

  --amber: #F2B544;
  --alert: #FF5F4A;
  --phosphor-dim: color-mix(in oklab, var(--sc-accent) 55%, var(--sc-canvas));
  --line: color-mix(in oklab, var(--sc-ink) 14%, transparent);
  --line-strong: color-mix(in oklab, var(--sc-ink) 26%, transparent);
  --r: 2px;
  --bar-h: 3rem;
  --sc-shadow-color: 90 20% 2%;
}

html { scroll-padding-top: var(--bar-h); }
body { background: var(--sc-canvas); }
::selection { background: var(--sc-accent); color: var(--sc-accent-ink); }
:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 3px; border-radius: var(--r); }

.sr {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.skip {
  position: fixed; left: 1rem; top: 0.5rem; z-index: 100;
  padding: 0.5rem 0.75rem; background: var(--sc-accent); color: var(--sc-accent-ink);
  font: 500 0.85rem/1 var(--sc-font-mono); text-decoration: none;
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

.cursor {
  display: inline-block; width: 0.55em; height: 1em; margin-left: 0.12em;
  vertical-align: -0.12em; background: currentColor;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.prompt { color: var(--sc-accent); }
.led {
  display: inline-block; width: 0.5rem; height: 0.5rem; margin-right: 0.5rem;
  background: var(--sc-accent); vertical-align: 0.05em;
  animation: led 2.4s ease-in-out infinite;
}
@keyframes led { 50% { opacity: 0.45; } }

[data-sc-progress] { top: var(--bar-h); height: 1px; }
.sc-grain { opacity: 0.05; z-index: 70; }

/* ------------------------------------------------------------------ chrome */
.sys {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  height: var(--bar-h);
  display: flex; align-items: center; gap: 1.5rem;
  padding-inline: clamp(1rem, 3vw, 2rem);
  background: var(--sc-canvas);
  border-bottom: 1px dashed color-mix(in oklab, var(--sc-accent) 32%, transparent);
  font-family: var(--bitmap); font-size: 1.3rem; line-height: 1;
  color: var(--sc-accent);
}
.sys a { color: inherit; text-decoration: none; }
.sys__mark { letter-spacing: 0.04em; white-space: nowrap; }
.sys__mark span { color: var(--sc-ink-soft); }
.sys__path { flex: 1; min-width: 0; }
.sys__path ol { display: flex; gap: 0.1rem; margin: 0; padding: 0; list-style: none; }
.sys__path li + li::before { content: "/"; color: var(--phosphor-dim); padding-inline: 0.35rem; }
.sys__path a {
  color: var(--phosphor-dim); padding: 0.2rem 0.15rem;
  transition: color 140ms var(--sc-ease-out), background-color 140ms var(--sc-ease-out);
}
.sys__path a:hover { color: var(--sc-accent); }
.sys__path a[aria-current="true"] { color: var(--sc-canvas); background: var(--sc-accent); }
.sys__here { display: none; margin: 0; color: var(--sc-accent); white-space: nowrap; }
.sys__here-label { color: var(--phosphor-dim); margin-right: 0.3rem; }
.sys__controls { display: flex; align-items: center; gap: 0.6rem; margin-left: auto; }

.mode, .cmd {
  display: inline-flex; align-items: center; gap: 0;
  min-height: 2rem; padding: 0; border: 1px solid color-mix(in oklab, var(--sc-accent) 45%, transparent);
  border-radius: var(--r); background: transparent; color: var(--sc-accent);
  font: inherit; cursor: pointer;
  transition: transform 120ms var(--sc-ease-out), background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out);
}
.mode:active, .cmd:active { transform: translateY(1px); }
.mode__opt { padding: 0.3rem 0.55rem; color: var(--phosphor-dim); }
.mode[aria-pressed="false"] .mode__opt--human,
.mode[aria-pressed="true"] .mode__opt--eng { background: var(--sc-accent); color: var(--sc-accent-ink); }
.cmd { gap: 0.45rem; padding: 0.3rem 0.6rem; }
.cmd kbd { font: inherit; padding: 0 0.3rem; border: 1px solid currentColor; line-height: 1.1; }
.cmd:hover, .mode:hover { background: color-mix(in oklab, var(--sc-accent) 12%, transparent); }

/* The chrome upgrades with the archive: text mode, amber, first windows, IDE, modern. */
html[data-era="2"] .sys {
  color: var(--amber); border-bottom: 3px double color-mix(in oklab, var(--amber) 40%, transparent);
  --sc-accent: var(--amber); --phosphor-dim: color-mix(in oklab, var(--amber) 55%, var(--sc-canvas));
}
html[data-era="3"] .sys {
  font-family: var(--sc-font-mono); font-size: 0.8rem; color: var(--sc-ink);
  background: #171915; border-bottom: 2px solid #050605;
  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--sc-ink) 18%, transparent);
  --phosphor-dim: var(--sc-ink-soft);
}
html[data-era="3"] .sys__path a[aria-current="true"] { background: var(--sc-ink); color: var(--sc-canvas); }
html[data-era="3"] .mode, html[data-era="3"] .cmd { color: var(--sc-ink); border-color: var(--line-strong); }
html[data-era="3"] .mode[aria-pressed="false"] .mode__opt--human,
html[data-era="3"] .mode[aria-pressed="true"] .mode__opt--eng { background: var(--sc-ink); color: var(--sc-canvas); }
html:is([data-era="4"], [data-era="5"], [data-era="6"], [data-era="7"]) .sys {
  font-family: var(--sc-font-mono); font-size: 0.78rem; letter-spacing: 0.02em;
  color: var(--sc-ink); border-bottom: 1px solid var(--line);
  --phosphor-dim: var(--sc-ink-soft);
}
html:is([data-era="4"], [data-era="5"], [data-era="6"], [data-era="7"]) .sys__mark span { color: var(--sc-accent); }
html:is([data-era="4"], [data-era="5"], [data-era="6"], [data-era="7"]) .sys__path a[aria-current="true"] {
  background: transparent; color: var(--sc-ink); box-shadow: inset 0 -1px 0 var(--sc-accent);
}
html:is([data-era="4"], [data-era="5"], [data-era="6"], [data-era="7"]) :is(.mode, .cmd) { border-color: var(--line-strong); color: var(--sc-ink-soft); }
html[data-era="4"] .sys { background: #10120E; }
.sys.is-glitch { animation: glitch 220ms steps(3) 1; }
@keyframes glitch {
  0% { transform: translateX(0); clip-path: inset(0 0 0 0); }
  33% { transform: translateX(-3px); clip-path: inset(0 0 40% 0); }
  66% { transform: translateX(2px); clip-path: inset(30% 0 0 0); }
  100% { transform: none; clip-path: none; }
}

/* ----------------------------------------------------------------- layers */
.layer { position: relative; }

/* 0 · boot */
.boot__stage { background: var(--sc-canvas); }
.boot__far, .boot__screen, .boot__glass { position: absolute; inset: 0; }
.boot__far { z-index: 0; }
.boot__grid { width: 100%; height: 100%; }
.boot__screen {
  z-index: 2;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  padding: calc(var(--bar-h) + 2rem) var(--sc-gutter) 9vh;
  transform-origin: 30% 55%;
  font-family: var(--bitmap);
}
.boot__log {
  margin: 0 0 1.4rem; font: inherit; font-size: clamp(1.05rem, 0.9rem + 0.5vw, 1.4rem); line-height: 1.22;
  color: var(--sc-ink-soft); white-space: pre-wrap;
}
.boot__log .ok { color: var(--sc-accent); }
.boot__log .warn { color: var(--amber); }
.boot__name {
  position: relative; margin: 0;
  font-family: var(--bitmap); font-weight: 400;
  font-size: clamp(3.3rem, 1.4rem + 8.2vw, 9.4rem); line-height: 0.84; letter-spacing: 0.01em;
  color: var(--sc-ink);
}
.boot__name > span { display: block; }
.boot__name > span:last-child { color: var(--sc-accent); }
.boot__role { margin: 1.1rem 0 0; font-size: clamp(1.4rem, 1.1rem + 1vw, 2.1rem); line-height: 1; color: var(--sc-ink); min-height: 1em; }
.boot__role-k { color: var(--phosphor-dim); }
.boot__enter {
  margin-top: 2.2rem;
  display: inline-flex; align-items: center; padding: 0.45rem 0.9rem 0.5rem;
  font-size: clamp(1.35rem, 1.1rem + 0.6vw, 1.75rem); line-height: 1;
  color: var(--sc-accent); text-decoration: none; text-transform: uppercase;
  border: 1px solid color-mix(in oklab, var(--sc-accent) 60%, transparent);
  transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out), transform 120ms var(--sc-ease-out);
}
.boot__enter:hover { background: var(--sc-accent); color: var(--sc-accent-ink); }
.boot__enter:active { transform: translateY(1px); }
/* The CRT glass: curvature at the edges, one reflection, scanlines. The centre stays clear. */
.boot__glass {
  z-index: 3; pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, color-mix(in oklab, var(--sc-ink) 4%, transparent) 0 1px, transparent 1px 3px),
    linear-gradient(118deg, color-mix(in oklab, var(--sc-ink) 7%, transparent) 0%, transparent 22%),
    radial-gradient(130% 110% at 50% 50%, transparent 58%, color-mix(in oklab, var(--sc-canvas) 88%, transparent) 100%);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--sc-ink) 6%, transparent);
  transform-origin: 50% 50%;
}
.js .boot [data-boot-line], .js .boot .boot__name, .js .boot .boot__role, .js .boot .boot__enter { visibility: hidden; }
.js .boot.is-booted :is([data-boot-line], .boot__name, .boot__role, .boot__enter),
.js .boot .is-on { visibility: visible; }
.boot__name.is-glitch::before, .boot__name.is-glitch::after {
  content: attr(data-text); position: absolute; inset: 0; pointer-events: none;
  color: var(--sc-accent); white-space: normal; word-spacing: 100vw;
}
.boot__name.is-glitch::before { clip-path: inset(18% 0 62% 0); transform: translateX(-0.06em); animation: slice 260ms steps(2) 2; }
.boot__name.is-glitch::after { clip-path: inset(64% 0 12% 0); transform: translateX(0.05em); color: var(--alert); animation: slice 260ms steps(2) 2 reverse; }
@keyframes slice { 50% { transform: translateX(0.03em); } }

/* 1 · identity */
.identity { padding-block: clamp(2rem, 5vh, 3.5rem) clamp(4rem, 10vh, 7rem); }
.identity__grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 6vw, 6rem); align-items: end;
}
.query { margin: 0; font: 400 var(--sc-t-sm)/1.5 var(--sc-font-mono); color: var(--sc-ink-soft); }
.query--foot { margin-top: 1.1rem; color: var(--phosphor-dim); }
.rec__title {
  margin: 2.2rem 0 0; padding-bottom: 0.5rem;
  font: 400 2.4rem/1 var(--bitmap); letter-spacing: 0.06em; color: var(--sc-accent);
  border-bottom: 1px dashed color-mix(in oklab, var(--sc-accent) 40%, transparent);
}
.rec { margin: 0; font-family: var(--sc-font-mono); font-size: var(--sc-t-sm); }
.rec > div {
  display: grid; grid-template-columns: 11.5rem 1fr; gap: 1rem;
  padding: 0.6rem 0; border-bottom: 1px solid var(--line);
}
.rec dt { color: var(--sc-ink-soft); letter-spacing: 0.06em; }
.rec dd { margin: 0; color: var(--sc-ink); letter-spacing: 0.02em; }
.rec dd span { display: block; }
.identity__statement {
  margin: 0; max-width: 17ch;
  font: 500 clamp(1.9rem, 1.3rem + 2vw, 3.1rem)/1.06 var(--sc-font-display);
  letter-spacing: -0.03em; text-wrap: balance;
}
.identity__body { margin: 1.4rem 0 0; max-width: 44ch; color: var(--sc-ink-soft); line-height: 1.66; text-wrap: pretty; }

/* 2 · archive */
.archive__stage {
  display: flex; align-items: center;
  padding: calc(var(--bar-h) + 5.5rem) 0 clamp(1.5rem, 4vh, 2.5rem);
  background:
    linear-gradient(to right, color-mix(in oklab, var(--sc-ink) 4%, transparent) 1px, transparent 1px) 0 0 / 6rem 6rem,
    var(--sc-canvas);
}
.archive__hud {
  position: absolute; left: var(--sc-gutter); top: calc(var(--bar-h) + 1.4rem); z-index: 2;
  display: flex; align-items: baseline; gap: 1.2rem;
  font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); color: var(--sc-ink-soft);
}
.archive__hud p { margin: 0; }
.archive__hud-k { letter-spacing: 0.08em; }
.archive__year { font: 500 clamp(2.4rem, 1.8rem + 2.4vw, 4rem)/1 var(--sc-font-mono); color: var(--sc-ink); font-variant-numeric: tabular-nums; letter-spacing: -0.04em; }
.archive__era { color: var(--sc-accent); letter-spacing: 0.08em; text-transform: uppercase; }
.archive__rail {
  flex: none; width: max-content; height: min(100%, 34rem);
  display: flex; align-items: stretch; gap: clamp(1.5rem, 3vw, 3rem);
  padding-inline: var(--sc-gutter);
}
.era { flex: none; width: clamp(18.5rem, 38vw, 34rem); height: 100%; }
.era--lead { width: clamp(16rem, 26vw, 24rem); display: flex; flex-direction: column; justify-content: flex-end; padding-bottom: 1rem; }
.era-lead__title { margin: 0; font: 500 clamp(2.2rem, 1.6rem + 2.2vw, 3.6rem)/0.98 var(--sc-font-display); letter-spacing: -0.035em; }
.era-lead__body { margin: 1rem 0 0; color: var(--sc-ink-soft); max-width: 30ch; }
.era--tail {
  width: clamp(14rem, 22vw, 20rem); display: flex; flex-direction: column; justify-content: center;
  font: 400 1.6rem/1.2 var(--bitmap); color: var(--sc-ink-soft);
}
.era--tail p { margin: 0; }
.era-tail__next { color: var(--sc-accent); margin-top: 0.4rem !important; }

.win { position: relative; height: 100%; overflow: hidden; display: flex; flex-direction: column; }
.win p, .win h3, .win ul, .win ol { margin: 0; }
.era__years { font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-ink-soft); }
.era__title { margin-top: 0.4rem !important; }
.era__list { padding: 0; list-style: none; }
.era__list li + li { margin-top: 0.7rem; }
.era__org { margin-top: 0.8rem !important; }
.era__text { margin-top: 0.8rem !important; color: var(--sc-ink-soft); line-height: 1.55; }
.era__side { margin-top: 0.9rem !important; font-size: var(--sc-t-sm); color: var(--sc-ink-soft); padding-top: 0.9rem; border-top: 1px solid var(--line); }
.stack { margin-top: auto !important; padding-top: 1rem; font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); letter-spacing: 0.04em; color: var(--sc-accent); }

/* era 1: 80x25 text mode, green phosphor */
.win--txt {
  padding: 1rem 1.3rem; font-family: var(--bitmap); font-size: 1.3rem; line-height: 1.18;
  color: var(--sc-accent); background:
    repeating-linear-gradient(to bottom, color-mix(in oklab, var(--sc-accent) 6%, transparent) 0 1px, transparent 1px 3px),
    #0B120D;
  border: 3px double color-mix(in oklab, var(--sc-accent) 55%, transparent);
}
.win--txt .era__years { font-family: var(--bitmap); font-size: 1.2rem; color: var(--phosphor-dim); margin-top: 1rem; }
.win--txt .era__title { font: 400 2.8rem/0.9 var(--bitmap); text-transform: uppercase; }
.win--txt .era__list { margin-top: 1rem; }
.win--txt .era__list li::before { content: "> "; color: var(--phosphor-dim); }
.win--txt b { font-weight: 400; background: var(--sc-accent); color: #0B120D; padding: 0 0.2em; }
.win__bar { font-size: inherit; display: flex; justify-content: space-between; gap: 1rem; }
.win--txt .win__bar { border-bottom: 1px dashed color-mix(in oklab, var(--sc-accent) 45%, transparent); padding-bottom: 0.4rem; }
.win__foot { margin-top: auto !important; color: var(--phosphor-dim); }

/* era 2: amber monitor, text UI with box frames */
.win--tui {
  padding: 0 1.3rem 1.2rem; font-family: var(--bitmap); font-size: 1.3rem; line-height: 1.2;
  color: var(--amber); background: #130F07;
  border: 3px double color-mix(in oklab, var(--amber) 60%, transparent);
}
.win--tui .win__bar { margin: 0 -1.3rem 1rem !important; padding: 0.3rem 1.3rem; background: var(--amber); color: #130F07; }
.win--tui .era__years { font-family: var(--bitmap); font-size: 1.2rem; color: color-mix(in oklab, var(--amber) 60%, #130F07); }
.win--tui .era__title { font: 400 2.8rem/0.9 var(--bitmap); text-transform: uppercase; }
.win--tui .era__list { margin-top: 1rem; border-top: 1px solid color-mix(in oklab, var(--amber) 35%, transparent); padding-top: 0.8rem; }
.win--tui b { font-weight: 400; text-decoration: underline; text-underline-offset: 0.18em; }

/* era 3: first windows, bevelled */
.win--gui {
  padding: 0 1.2rem 1.2rem; background: #1A1C17; color: var(--sc-ink);
  font-family: var(--sc-font-mono); font-size: 0.86rem; line-height: 1.5;
  border: 2px solid; border-color: #3B3E35 #060705 #060705 #3B3E35;
}
.win--gui .win__bar {
  margin: 0 -1.2rem 1rem !important; padding: 0.4rem 0.8rem; justify-content: flex-start; align-items: center;
  background: #2A2D25; border-bottom: 2px solid #060705; color: var(--sc-ink-soft); font-size: 0.78rem;
}
.win__dots { display: inline-flex; gap: 0.3rem; }
.win__dots i { width: 0.6rem; height: 0.6rem; border: 1px solid #060705; background: #4A4E43; box-shadow: inset 1px 1px 0 #6B6F62; }
.win--gui .era__title { font: 500 1.7rem/1.05 var(--sc-font-mono); letter-spacing: -0.02em; }
.win--gui .era__list { margin-top: 0.9rem; }
.win--gui .era__list li { padding-left: 1rem; position: relative; }
.win--gui .era__list li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 0.4rem; height: 0.4rem; background: var(--sc-ink-soft); }
.win--gui b { font-weight: 500; color: var(--sc-ink); }
.win--gui .era__list { color: var(--sc-ink-soft); }

/* era 4: enterprise IDE */
.win--ide { background: #0F110D; border: 1px solid #262920; font-size: 0.9rem; }
.win--ide .win__bar { display: flex; justify-content: flex-start; gap: 0; background: #151812; border-bottom: 1px solid #262920; font: 400 0.75rem/1 var(--sc-font-mono); }
.win__tab { padding: 0.6rem 0.9rem; color: var(--sc-ink-soft); border-right: 1px solid #262920; }
.win__tab.is-on { color: var(--sc-ink); background: #0F110D; box-shadow: inset 0 2px 0 var(--sc-accent); }
.ide { flex: 1; display: grid; grid-template-columns: 9rem 1fr; min-height: 0; }
.ide__tree { margin: 0; padding: 0.9rem 0.8rem; list-style: none; border-right: 1px solid #262920; font: 400 0.74rem/1.9 var(--sc-font-mono); color: var(--sc-ink-soft); }
.ide__tree li::before { content: "▸ "; color: var(--phosphor-dim); }
.ide__main { padding: 1rem 1.2rem 1.2rem; display: flex; flex-direction: column; min-height: 0; }
.win--ide .era__title { font: 500 1.9rem/1.02 var(--sc-font-display); letter-spacing: -0.03em; }
.win--ide .era__org { font-size: var(--sc-t-sm); }
.win--ide b { font-weight: 500; }

/* era 5: modern stack */
.win--mod { padding: 1.5rem; background: var(--sc-surface); border: 1px solid var(--line); box-shadow: var(--sc-e2), var(--sc-edge); }
.win--mod .era__title { font: 500 clamp(1.9rem, 1.5rem + 1vw, 2.4rem)/1 var(--sc-font-display); letter-spacing: -0.035em; }
.win--mod b { font-weight: 600; }

/* era 6: command centre */
.win--cmd {
  padding: 0 1.5rem 1.3rem; border: 1px solid color-mix(in oklab, var(--sc-accent) 35%, transparent);
  background:
    linear-gradient(color-mix(in oklab, var(--sc-accent) 6%, transparent) 1px, transparent 1px) 0 0 / 1.5rem 1.5rem,
    linear-gradient(90deg, color-mix(in oklab, var(--sc-accent) 6%, transparent) 1px, transparent 1px) 0 0 / 1.5rem 1.5rem,
    #0C0E0B;
}
.win--cmd .win__bar { margin: 0 -1.5rem 1rem !important; padding: 0.6rem 1.5rem; border-bottom: 1px solid color-mix(in oklab, var(--sc-accent) 25%, transparent); font: 400 0.74rem/1 var(--sc-font-mono); color: var(--sc-ink-soft); letter-spacing: 0.06em; justify-content: flex-start; align-items: center; }
.win--cmd .win__bar span:last-child { margin-left: auto; color: var(--sc-accent); text-transform: uppercase; }
.win--cmd .era__title { font: 500 clamp(1.9rem, 1.5rem + 1vw, 2.4rem)/1 var(--sc-font-display); letter-spacing: -0.035em; }
.win--cmd b { font-weight: 600; }
.win--cmd em { font-style: normal; color: var(--sc-accent); }
.team { width: 100%; max-width: 20rem; margin-top: auto; padding-top: 0.8rem; overflow: visible; }
.team__edges path { stroke: color-mix(in oklab, var(--sc-accent) 45%, transparent); stroke-width: 1; fill: none; stroke-dasharray: 3 3; }
.team__nodes text { font: 500 9.5px var(--sc-font-mono); fill: var(--sc-ink-soft); text-anchor: middle; letter-spacing: 0.06em; }
.team__nodes text.is-core { fill: var(--sc-accent); font-size: 11px; }

/* era 7: agent console */
.win--agent { padding: 1.5rem; border: 1px dashed var(--line-strong); background: transparent; }
.win--agent .era__title { font: 500 clamp(1.9rem, 1.5rem + 1vw, 2.4rem)/1 var(--sc-font-display); letter-spacing: -0.035em; }
.agent-log { margin-top: 1.2rem !important; padding: 0; list-style: none; font: 400 var(--sc-t-sm)/1.5 var(--sc-font-mono); }
.agent-log li { display: grid; grid-template-columns: 4.2rem 1fr; gap: 0.6rem; padding: 0.55rem 0; border-bottom: 1px solid var(--line); }
.agent-log span { color: var(--sc-accent); }
.agent-log span::before { content: "› "; color: var(--phosphor-dim); }
.era__note { margin-top: auto !important; padding-top: 1rem; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); color: var(--amber); letter-spacing: 0.04em; }

/* 3 · map */
.map__stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 23rem);
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.8rem clamp(1.5rem, 3vw, 3rem);
  padding: calc(var(--bar-h) + 1.4rem) var(--sc-gutter) 1.6rem;
  background:
    radial-gradient(60% 55% at 42% 58%, color-mix(in oklab, var(--sc-accent) 5%, transparent), transparent 70%),
    var(--sc-canvas);
}
.map__boot {
  position: absolute; left: 50%; top: 50%; translate: -50% -50%; margin: 0; z-index: 4;
  font: 400 clamp(1.4rem, 1.1rem + 1vw, 2rem)/1 var(--bitmap); color: var(--sc-ink); white-space: nowrap;
}
.map__head { grid-column: 1; grid-row: 1; }
.map__k, .map__detail-k, .cases__k, .protocols__k, .connect__k {
  margin: 0; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-ink-soft);
}
.map__title { margin: 0.35rem 0 0; font: 500 clamp(1.6rem, 1.2rem + 1.4vw, 2.5rem)/1.02 var(--sc-font-display); letter-spacing: -0.035em; text-wrap: balance; }
.map__status { margin: 0.5rem 0 0; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); }
.map__status.is-online { color: var(--sc-accent); }
.map__canvas { grid-column: 1; grid-row: 2; position: relative; min-height: 0; }
.map__edges { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.map__edges .edge { fill: none; stroke: color-mix(in oklab, var(--sc-ink) 30%, transparent); stroke-width: 1; }
.map__edges .edge.is-hot { stroke: var(--sc-accent); stroke-width: 1.5; }
.map__edges .edge.is-dim { stroke: color-mix(in oklab, var(--sc-ink) 10%, transparent); }
.map__edges .packet { fill: var(--sc-accent); }
.map__edges .elabel {
  font: 400 10px var(--sc-font-mono); fill: var(--amber); letter-spacing: 0.04em;
  paint-order: stroke; stroke: var(--sc-canvas); stroke-width: 4px; text-anchor: middle;
  opacity: 0; transition: opacity 200ms var(--sc-ease-out);
}
body[data-mode="engineer"] .map__edges .elabel { opacity: 1; }
.map__nodes { position: absolute; inset: 0; margin: 0; padding: 0; list-style: none; }
.node {
  position: absolute; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%);
  translate: -50% -50%; z-index: 2;
  opacity: 0; scale: 0.95;
  transition: opacity 260ms var(--sc-ease-out), scale 260ms var(--sc-ease-out);
}
.node.is-on { opacity: 1; scale: 1; }
.node.is-dim { opacity: 0.32; }
.node button {
  display: inline-flex; align-items: center; gap: 0.5rem; white-space: nowrap;
  padding: 0.55rem 0.8rem; border: 1px solid var(--line-strong); border-radius: var(--r);
  background: var(--sc-canvas); color: var(--sc-ink);
  font: 500 0.78rem/1 var(--sc-font-mono); letter-spacing: 0.06em; cursor: pointer;
  box-shadow: var(--sc-e1);
  transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out), border-color 140ms var(--sc-ease-out), transform 120ms var(--sc-ease-out);
}
.node button::before { content: ""; width: 0.4rem; height: 0.4rem; background: var(--sc-ink-soft); transition: background-color 140ms var(--sc-ease-out); }
.node.is-on button::before { background: var(--sc-accent); }
.node:not(.node--sat) button { padding: 0.7rem 1rem; font-size: 0.86rem; border-color: color-mix(in oklab, var(--sc-accent) 45%, transparent); }
.node button:hover { border-color: var(--sc-accent); }
.node button:active { transform: translateY(1px); }
.node button[aria-expanded="true"] { background: var(--sc-accent); color: var(--sc-accent-ink); border-color: var(--sc-accent); }
.node button[aria-expanded="true"]::before { background: var(--sc-accent-ink); }
.js .node__note, .js .node__kids { display: none; }
.map__subs { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
.sub {
  position: absolute; translate: 0 -50%; white-space: nowrap;
  padding: 0.3rem 0.55rem; border: 1px dashed color-mix(in oklab, var(--sc-accent) 55%, transparent);
  background: var(--sc-canvas); color: var(--sc-ink); font: 400 0.72rem/1 var(--sc-font-mono);
  opacity: 0; scale: 0.95; transition: opacity 220ms var(--sc-ease-out), scale 220ms var(--sc-ease-out);
}
.sub.is-on { opacity: 1; scale: 1; }
.sub--left { translate: -100% -50%; }
.map__detail {
  grid-column: 2; grid-row: 1 / span 2; align-self: end;
  padding: 1.2rem 0 0.4rem 1.4rem; border-left: 1px solid var(--line);
}
.map__detail-title { margin: 0.4rem 0 0; font: 500 1.6rem/1.05 var(--sc-font-display); letter-spacing: -0.03em; }
.map__detail-note { margin: 0.5rem 0 0; color: var(--sc-ink-soft); font-size: var(--sc-t-sm); }
.map__detail-kids { margin: 1rem 0 0; padding: 0; list-style: none; font: 400 var(--sc-t-sm)/1.4 var(--sc-font-mono); }
.map__detail-kids li { padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
.map__detail-kids li::before { content: "├─ "; color: var(--phosphor-dim); }
.map__detail-kids li:last-child::before { content: "└─ "; }
.map__detail-links { margin: 0.9rem 0 0; font: 400 var(--sc-t-xs)/1.5 var(--sc-font-mono); color: var(--sc-ink-soft); }
.map__detail-links a { color: var(--sc-accent); }
.map__detail-links:empty { display: none; }

/* 4 · case files */
.cases { padding-block: clamp(5rem, 12vh, 9rem) clamp(3rem, 8vh, 6rem); }
.cases__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 6vh, 4rem); }
.cases__title { margin: 0.6rem 0 0; font: 500 var(--sc-t-3xl)/0.96 var(--sc-font-display); letter-spacing: -0.04em; }
.cases__intro { margin: 1rem 0 0; color: var(--sc-ink-soft); max-width: 52ch; }
.case { border-top: 1px solid var(--line-strong); }
.case + .case { margin-top: 0; }
.case__inner {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1.5rem clamp(2rem, 5vw, 5rem);
  padding: clamp(1.8rem, 4vh, 2.6rem) 0 clamp(2.2rem, 5vh, 3.2rem);
}
.case__meta p, .case__meta h3 { margin: 0; }
.case__id { font: 400 1.5rem/1 var(--bitmap); color: var(--sc-accent); letter-spacing: 0.06em; }
.case__id::after { content: "  · DECLASSIFIED"; color: var(--sc-ink-soft); font-size: 1.1rem; }
.case__title { margin-top: 0.7rem !important; font: 500 clamp(1.5rem, 1.2rem + 1vw, 2.1rem)/1.06 var(--sc-font-display); letter-spacing: -0.03em; text-wrap: balance; max-width: 20ch; }
.case__tags { margin-top: 0.9rem !important; font: 400 var(--sc-t-xs)/1.6 var(--sc-font-mono); color: var(--sc-ink-soft); letter-spacing: 0.03em; max-width: 34ch; }
.case__body > div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.case__body > div:first-child { padding-top: 0.2rem; }
.case__body > div:last-child { border-bottom: 0; }
.case__body h4 { margin: 0.2rem 0 0; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sc-ink-soft); }
.case__body > div:last-child h4 { color: var(--sc-accent); }
.case__body p { margin: 0; max-width: 58ch; line-height: 1.6; text-wrap: pretty; }
.case__flow { display: none; grid-column: 1 / -1; margin: 0; padding: 0.8rem 1rem; border: 1px dashed color-mix(in oklab, var(--amber) 50%, transparent); font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); color: var(--amber); overflow-x: auto; }
body[data-mode="engineer"] .case__flow { display: block; }
.ledger { margin-top: clamp(3rem, 8vh, 5rem); padding-top: 2rem; border-top: 1px solid var(--line-strong); }
.ledger__title { margin: 0; font: 400 1.5rem/1 var(--bitmap); color: var(--sc-accent); letter-spacing: 0.06em; text-transform: uppercase; }
.ledger__table { width: 100%; margin-top: 1.2rem; border-collapse: collapse; font: 400 var(--sc-t-sm)/1.45 var(--sc-font-mono); }
.ledger__table th { text-align: left; font-weight: 400; font-size: var(--sc-t-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sc-ink-soft); padding: 0 1rem 0.6rem 0; border-bottom: 1px solid var(--line-strong); }
.ledger__table td { padding: 0.65rem 1rem 0.65rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.ledger__table td:first-child { color: var(--sc-ink-soft); width: 5rem; }
.ledger__table td:last-child { color: var(--sc-ink-soft); }

/* 5 · protocols */
.protocols__stage {
  display: grid; grid-template-columns: minmax(10rem, 16rem) minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr);
  padding: calc(var(--bar-h) + 1.6rem) var(--sc-gutter) 2rem;
  background: #080907;
}
.protocols__k { grid-column: 1 / -1; align-self: start; }
.protocols__index {
  grid-column: 1; grid-row: 2; align-self: center; margin: 0; padding: 0; list-style: none;
  font: 400 var(--sc-t-sm)/1 var(--sc-font-mono); color: color-mix(in oklab, var(--sc-ink-soft) 70%, transparent);
  counter-reset: p;
}
.protocols__index li { counter-increment: p; padding: 0.7rem 0; transition: color 200ms var(--sc-ease-out); }
.protocols__index li::before { content: "0" counter(p) "  "; color: color-mix(in oklab, var(--sc-ink-soft) 50%, transparent); white-space: pre; }
.protocols__index li.is-on { color: var(--sc-accent); }
.protocols__index li.is-on::before { color: var(--sc-accent); }
.protocols__lines { grid-column: 2; grid-row: 2; position: relative; }
.protocol { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; }
.protocol p { margin: 0; }
.protocol__line { max-width: 17ch; font: 500 clamp(2.1rem, 1.3rem + 3.2vw, 4.4rem)/1.0 var(--sc-font-display); letter-spacing: -0.04em; text-wrap: balance; }
.protocol__sub { margin-top: 1.4rem !important; max-width: 44ch; font-size: var(--sc-t-lg); line-height: 1.5; color: var(--sc-ink-soft); text-wrap: pretty; }

/* 6 · contact */
.connect { padding-bottom: 0; }
.connect__silence { min-height: 55svh; display: grid; place-items: center; }
.connect__eor { margin: 0; font: 400 clamp(1.6rem, 1.2rem + 1vw, 2.2rem)/1 var(--bitmap); color: var(--sc-ink-soft); letter-spacing: 0.08em; }
.connect__panel {
  min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--bar-h) + 2rem); padding-bottom: 1.5rem;
}
.connect__k { color: var(--sc-accent); }
.connect__title { margin: 1rem 0 0; max-width: 18ch; font: 500 var(--sc-t-2xl)/1.02 var(--sc-font-display); letter-spacing: -0.035em; text-wrap: balance; }
.msg { margin-top: 2.2rem; max-width: 44rem; border: 1px solid color-mix(in oklab, var(--sc-accent) 38%, transparent); padding: 1.1rem 1.2rem 1.2rem; background: color-mix(in oklab, var(--sc-surface) 70%, transparent); }
.msg.is-lit { border-color: var(--sc-accent); box-shadow: inset 0 0 0 1px var(--sc-accent); }
.msg__k { margin: 0 0 0.6rem; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-accent); }
.msg__k span { color: var(--sc-ink-soft); letter-spacing: 0.04em; text-transform: none; }
.msg__row { display: grid; grid-template-columns: 8.5rem 1fr; gap: 0.2rem 1rem; align-items: baseline; padding: 0.55rem 0; border-bottom: 1px solid var(--line); }
.msg__label { font: 400 var(--sc-t-sm)/1.2 var(--sc-font-mono); color: var(--sc-ink-soft); }
.msg__label::after { content: " >"; color: var(--sc-accent); }
.msg__input {
  width: 100%; min-width: 0; padding: 0.4rem 0.55rem; border: 0; border-radius: var(--r);
  background: color-mix(in oklab, var(--sc-ink) 5%, transparent);
  font: 400 var(--sc-t-base)/1.45 var(--sc-font-mono); color: var(--sc-ink); caret-color: var(--sc-accent);
}
.msg__input:focus { outline: none; }
.msg__row:focus-within { border-bottom-color: var(--sc-accent); }
.msg__row:focus-within .msg__label { color: var(--sc-ink); }
.msg__input:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.msg__area { resize: vertical; min-height: 7.5rem; }
.msg__row.is-bad { border-bottom-color: var(--alert); }
.msg__row.is-bad .msg__label { color: var(--alert); }
.msg__hint { grid-column: 2; margin: 0; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); color: var(--sc-ink-soft); }
.msg__row.is-bad .msg__hint { color: var(--alert); }
.msg__trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.msg__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.2rem; margin-top: 1rem; }
.msg__send {
  padding: 0.55rem 1rem 0.6rem; border: 1px solid var(--sc-accent); border-radius: var(--r); background: transparent; color: var(--sc-accent);
  font: 400 1.5rem/1 var(--bitmap); letter-spacing: 0.04em; text-transform: uppercase; cursor: pointer;
  transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out), transform 120ms var(--sc-ease-out);
}
.msg__send:hover { background: var(--sc-accent); color: var(--sc-accent-ink); }
.msg__send:active { transform: translateY(1px); }
.msg__send:disabled { opacity: 0.5; cursor: progress; }
.msg__status { margin: 0; font: 400 var(--sc-t-sm)/1.4 var(--sc-font-mono); color: var(--sc-ink-soft); }
.msg__status.is-ok { color: var(--sc-accent); }
.msg__status.is-err { color: var(--alert); }
.channels { margin: 1.6rem 0 0; padding: 0; list-style: none; max-width: 44rem; border-top: 1px solid var(--line-strong); }
.channels li { border-bottom: 1px solid var(--line); }
.channel {
  width: 100%; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: 0.85rem 0.6rem; text-decoration: none; color: var(--sc-ink);
  background: transparent; border: 0; text-align: left; cursor: pointer;
  transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out), transform 120ms var(--sc-ease-out);
}
.channel__k { font: 400 1.55rem/1 var(--bitmap); letter-spacing: 0.04em; text-transform: uppercase; }
.channel__v { font: 400 var(--sc-t-sm)/1.3 var(--sc-font-mono); color: var(--sc-ink-soft); text-align: right; }
.channel:hover, .channel.is-lit { background: var(--sc-accent); color: var(--sc-accent-ink); }
.channel:hover .channel__v, .channel.is-lit .channel__v { color: var(--sc-accent-ink); }
.channel:active { transform: translateY(1px); }
.term { display: none; align-items: center; gap: 0.7rem; margin: 1.8rem 0 0; max-width: 44rem; }
.js .term { display: flex; }
.term__prompt { font: 400 var(--sc-t-sm)/1 var(--sc-font-mono); color: var(--sc-accent); white-space: nowrap; }
.term__input {
  flex: 1; min-width: 0; padding: 0.55rem 0.2rem; background: transparent;
  border: 0; border-bottom: 1px solid var(--line-strong); border-radius: 0;
  font: 400 var(--sc-t-sm)/1.2 var(--sc-font-mono); color: var(--sc-ink); caret-color: var(--sc-accent);
}
.term__input::placeholder { color: color-mix(in oklab, var(--sc-ink-soft) 70%, transparent); }
.term__input:focus { outline: none; border-bottom-color: var(--sc-accent); }
.term__input:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 4px; }
.term__out { max-width: 44rem; margin-top: 0.8rem; font: 400 var(--sc-t-sm)/1.55 var(--sc-font-mono); white-space: pre-wrap; color: var(--sc-ink-soft); }
.term__out:empty { display: none; }
.foot { margin-top: auto; padding-top: 3rem; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-mono); color: var(--sc-ink-soft); letter-spacing: 0.03em; }
.foot p { margin: 0; }

/* terminal output colours, shared by both terminals */
.o-ok { color: var(--sc-accent); }
.o-warn { color: var(--amber); }
.o-alert { color: var(--alert); }
.o-ink { color: var(--sc-ink); }
.o-cmd { color: var(--sc-ink); }
.o-cmd::before { content: "$ "; color: var(--sc-accent); }
.term__out a, .palette__out a { color: var(--sc-accent); }

/* ---------------------------------------------------------------- palette */
.palette {
  position: fixed; inset: 0; z-index: 90;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 12vh 1rem 1rem;
  background: color-mix(in oklab, var(--sc-canvas) 82%, transparent);
}
.palette[hidden] { display: none; }
.palette__box {
  width: min(46rem, 100%); max-height: 76vh; display: flex; flex-direction: column;
  background: var(--sc-canvas); border: 1px solid color-mix(in oklab, var(--sc-accent) 50%, transparent);
  box-shadow: var(--sc-e3);
  font-family: var(--sc-font-mono);
  animation: pal-in 180ms var(--sc-ease-out);
}
@keyframes pal-in { from { opacity: 0; transform: translateY(-6px) scale(0.98); } }
.palette__bar {
  display: flex; justify-content: space-between; align-items: center; margin: 0;
  padding: 0.5rem 0.8rem; border-bottom: 1px solid var(--line);
  font-size: var(--sc-t-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sc-ink-soft);
}
.palette__close { padding: 0.25rem 0.5rem; border: 1px solid var(--line-strong); border-radius: var(--r); background: transparent; color: var(--sc-ink-soft); font: inherit; cursor: pointer; }
.palette__close:hover { color: var(--sc-ink); border-color: var(--sc-ink-soft); }
.palette__out { flex: 1; min-height: 5rem; overflow: auto; padding: 0.9rem 1rem 0.4rem; font-size: var(--sc-t-sm); line-height: 1.55; white-space: pre-wrap; color: var(--sc-ink-soft); }
.term--pal { display: flex; margin: 0; padding: 0.4rem 1rem 0.6rem; max-width: none; }
.palette__hint { margin: 0; padding: 0.6rem 1rem 0.8rem; border-top: 1px solid var(--line); font-size: var(--sc-t-xs); color: var(--sc-ink-soft); display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.palette__hint button {
  padding: 0.3rem 0.5rem; border: 1px solid var(--line-strong); border-radius: var(--r); background: transparent;
  color: var(--sc-ink); font: inherit; cursor: pointer; transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out);
}
.palette__hint button::before { content: "> "; color: var(--sc-accent); }
.palette__hint button:hover { background: var(--sc-accent); color: var(--sc-accent-ink); }
.palette__hint button:hover::before { color: var(--sc-accent-ink); }
.snake { display: block; margin: 0.6rem 0; border: 1px solid color-mix(in oklab, var(--sc-accent) 45%, transparent); image-rendering: pixelated; max-width: 100%; }

/* -------------------------------------------------------------- inspector */
.inspector {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 65; width: 19.5rem;
  background: color-mix(in oklab, var(--sc-canvas) 94%, transparent);
  border: 1px solid color-mix(in oklab, var(--amber) 50%, transparent);
  box-shadow: var(--sc-e2);
  font: 400 0.72rem/1.5 var(--sc-font-mono);
}
.inspector[hidden] { display: none; }
.inspector__title {
  display: flex; justify-content: space-between; width: 100%; margin: 0; padding: 0.45rem 0.7rem;
  border: 0; border-radius: 0; background: var(--amber); color: #120E06; font: inherit; letter-spacing: 0.1em; text-align: left; cursor: pointer;
}
.inspector.is-min { width: auto; }
.inspector.is-min .inspector__body { display: none; }
.inspector__body { margin: 0; padding: 0.6rem 0.7rem 0.7rem; white-space: pre; overflow: hidden; color: var(--sc-ink); font: inherit; }
.inspector__body .k { color: var(--sc-ink-soft); }
.inspector__body .v { color: var(--amber); }

/* engineer mode: the page shows its own scaffolding */
body[data-mode="engineer"]::after {
  content: ""; position: fixed; inset: var(--bar-h) var(--sc-gutter) 0; z-index: 64; pointer-events: none;
  background: repeating-linear-gradient(90deg, color-mix(in oklab, var(--amber) 5%, transparent) 0 calc((100% - 11 * 1.25rem) / 12), transparent calc((100% - 11 * 1.25rem) / 12) calc((100% - 11 * 1.25rem) / 12 + 1.25rem));
}
.eng-tag {
  display: none; position: absolute; top: calc(var(--bar-h) + 0.5rem); right: var(--sc-gutter); z-index: 30;
  padding: 0.25rem 0.5rem; border: 1px dashed color-mix(in oklab, var(--amber) 60%, transparent);
  background: var(--sc-canvas); color: var(--amber); font: 400 0.7rem/1.2 var(--sc-font-mono); letter-spacing: 0.04em;
  cursor: help;
}
.eng-tag__p { color: var(--sc-ink-soft); margin-left: 0.5rem; }
body[data-mode="engineer"] .eng-tag { display: block; }
body[data-mode="engineer"] .layer { outline: 1px dashed color-mix(in oklab, var(--amber) 28%, transparent); outline-offset: -1px; }
body[data-mode="engineer"] .era .win { outline: 1px dashed color-mix(in oklab, var(--amber) 40%, transparent); outline-offset: 4px; }
.layer.identity > .eng-tag, .layer.cases > .eng-tag, .layer.connect > .eng-tag { top: 1rem; }

/* ----------------------------------------------------------------- mobile */
@media (max-width: 900px) {
  .sys { gap: 0.8rem; }
  .sys__path { display: none; }
  .sys__here { display: block; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
  .cmd span { display: none; }
  .identity__grid { grid-template-columns: 1fr; align-items: start; }
  .rec > div { grid-template-columns: 8.5rem 1fr; gap: 0.6rem; }

  .map__stage { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr) auto; padding-bottom: 1rem; gap: 0.6rem; }
  .map__detail { grid-column: 1; grid-row: 3; align-self: stretch; border-left: 0; border-top: 1px solid var(--line); padding: 0.7rem 0 0; max-height: 27svh; overflow: auto; }
  .map__detail-title { font-size: 1.2rem; }
  .map__detail-kids { display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; margin-top: 0.6rem; }
  .map__detail-kids li { border: 0; padding: 0.1rem 0; }
  .map__detail-kids li::before, .map__detail-kids li:last-child::before { content: "· "; }
  .node button, .node:not(.node--sat) button { padding: 0.5rem 0.55rem; font-size: 0.68rem; letter-spacing: 0.03em; }
  .node button::before { width: 0.3rem; height: 0.3rem; }
  .node [data-long] { display: none; }

  .case__inner { grid-template-columns: 1fr; }
  .case__body > div { grid-template-columns: 1fr; gap: 0.3rem; }
  .ledger__table td:last-child, .ledger__table th:last-child { display: none; }

  .protocols__stage { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; }
  .protocols__index { grid-row: 2; display: flex; flex-wrap: wrap; gap: 0 1rem; margin-top: 1rem; font-size: var(--sc-t-xs); }
  .protocols__index li { padding: 0.3rem 0; }
  .protocols__lines { grid-column: 1; grid-row: 3; }

  .channel { flex-direction: column; gap: 0.35rem; }
  .msg { padding: 0.9rem 0.9rem 1rem; }
  .msg__row { grid-template-columns: 1fr; }
  .msg__hint { grid-column: 1; }
  .channel__v { text-align: left; }
  .inspector { left: 0.6rem; right: 0.6rem; bottom: 0.6rem; width: auto; font-size: 0.66rem; }
  .inspector__body { max-height: 24svh; overflow: auto; }
  .eng-tag { right: 1rem; }
}
@media (max-width: 900px) {
  .era { width: 84vw; }
  .era--lead { width: 70vw; }
  .era--tail { width: 56vw; }
  .win--txt, .win--tui { font-size: 1.12rem; padding-inline: 1rem; }
  .win--tui .win__bar { margin-inline: -1rem !important; padding-inline: 1rem; }
  .win--txt .era__title, .win--tui .era__title { font-size: 2.2rem; }
  .win--gui { font-size: 0.78rem; }
  .ide { grid-template-columns: 1fr; }
  .ide__tree { display: none; }
  .era__text { font-size: var(--sc-t-sm); }
  .archive__stage { padding-top: calc(var(--bar-h) + 5rem); }
}
@media (max-width: 900px) and (max-height: 700px) {
  .archive__stage { padding-top: calc(var(--bar-h) + 4.2rem); }
  .archive__year { font-size: 2.1rem; }
  .win--gui { font-size: 0.72rem; line-height: 1.42; }
  .win--gui .era__list li + li { margin-top: 0.45rem; }
  .win--mod, .win--agent { padding: 1rem; }
  .win--cmd { padding: 0 1rem 1rem; }
  .win--cmd .win__bar { margin: 0 -1rem 0.8rem !important; padding-inline: 1rem; }
  :is(.win--mod, .win--cmd, .win--agent, .win--gui) .era__title { font-size: 1.5rem; }
  .era__text, .era__side { font-size: 0.8rem; line-height: 1.45; }
  .team { display: none; }
  .stack { padding-top: 0.6rem; }
}
@media (max-height: 720px) and (min-width: 901px) {
  .win--gui { font-size: 0.8rem; }
  .era__text { font-size: var(--sc-t-sm); }
}

/* --------------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  .cursor, .led { animation: none; }
  .palette__box { animation: none; }
  .sys.is-glitch, .boot__name.is-glitch::before, .boot__name.is-glitch::after { animation: none; }
  .boot__name.is-glitch::before, .boot__name.is-glitch::after { display: none; }
  .node, .sub { transition: opacity 160ms linear; scale: 1; }
  /* The archive becomes a readable stack instead of a sideways rail. */
  .archive__stage { display: block; padding-bottom: 3rem; }
  .archive__rail { width: auto; height: auto; flex-wrap: wrap; row-gap: 2rem; }
  .archive .era { height: auto; min-height: 26rem; }
  .archive .era--tail { display: none; }
}
html.rm .archive__stage { position: relative; height: auto; overflow: visible; }

/* ---------------------------------------------------------------- no JS */
html:not(.js) [data-sc-stage] { position: relative; min-height: 100svh; }
html:not(.js) .boot__screen { position: relative; min-height: 100svh; }
html:not(.js) .archive__stage { display: block; }
html:not(.js) .archive__hud { position: relative; left: auto; top: auto; margin: 0 var(--sc-gutter) 2rem; }
html:not(.js) .archive__rail { width: auto; height: auto; flex-wrap: wrap; row-gap: 2rem; }
html:not(.js) .era { height: auto; min-height: 24rem; }
html:not(.js) .era--tail, html:not(.js) .map__boot, html:not(.js) .map__edges, html:not(.js) .map__detail { display: none; }
html:not(.js) .map__stage { display: block; }
html:not(.js) .map__nodes { position: static; display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: 1.5rem 2rem; margin-top: 2rem; }
html:not(.js) .node { position: static; translate: none; opacity: 1; scale: 1; }
html:not(.js) .node__note { margin: 0.6rem 0 0; color: var(--sc-ink-soft); font-size: var(--sc-t-sm); }
html:not(.js) .node__kids { margin: 0.4rem 0 0; padding-left: 1rem; font: 400 var(--sc-t-xs)/1.6 var(--sc-font-mono); }
html:not(.js) .protocols__lines { position: static; }
html:not(.js) .protocol { position: static; padding-block: 1.5rem; }
html.rm .archive__hud { position: relative; left: auto; top: auto; margin: 0 var(--sc-gutter) 2rem; }