:root {
  --paper: #F1ECE2;
  --paper-2: #E9E3D6;
  --paper-3: #DED6C6;
  --ink: #161412;
  --ink-2: #4F4A42;
  --ink-3: #8A8377;
  --rule: #CBC2B1;
  --accent: #A9532F;       /* sanguine — the pencil from the original sketch */
  --accent-ink: #FFF7EE;
  --dark: #121110;
  --dark-2: #1C1A18;
  --dark-3: #2A2724;
  --dark-rule: #3A3631;
  --dark-text: #EDE7DC;
  --dark-mute: #9A9286;
  --serif: 'Bodoni Moda', 'Didot', Georgia, serif;
  --sans: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --gutter: clamp(16px, 3vw, 40px);
  --top: 56px;
  --ease: cubic-bezier(.2, .75, .2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 8px); -webkit-text-size-adjust: 100%; scrollbar-color: var(--ink-3) var(--paper); }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 15px/1.5 var(--sans); font-stretch: 100%;
  -webkit-font-smoothing: antialiased; overflow-x: clip; -webkit-tap-highlight-color: transparent;
}
body.locked { overflow: hidden; }
body::before { /* paper grain */
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .32; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .4 0 0 0 0 .33 0 0 0 .18 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; touch-action: manipulation; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
kbd { font: 500 10px/1 var(--mono); padding: 3px 5px; border: 1px solid currentColor; border-radius: 3px; opacity: .7; }
.kicker { font: 500 11px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 10px; }
svg, canvas { display: block; }

/* thin, quiet scrollbars everywhere */
.scroll-x, .critic-strip, .panel, .bench-body, .cats, .results, .plates { scrollbar-width: thin; scrollbar-color: var(--rule) transparent; }
::-webkit-scrollbar { width: 8px; height: 6px; }
::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* scroll reveal */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } html { scroll-behavior: auto; } }

/* ---------- top bar ---------- */
.top {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 20px;
  padding: 0 var(--gutter); padding-top: env(safe-area-inset-top); height: calc(var(--top) + env(safe-area-inset-top));
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(12px) saturate(1.2); -webkit-backdrop-filter: blur(12px) saturate(1.2); border-bottom: 1px solid var(--rule);
}
.top::after { /* reading progress */
  content: ''; position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--accent);
  transform-origin: 0 50%; transform: scaleX(var(--progress, 0));
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 22px; height: 22px; display: block; }
.brand-word { font: 700 22px/1 var(--serif); letter-spacing: -.01em; font-style: italic; }
.brand-sub { font: 500 10px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); padding-left: 10px; border-left: 1px solid var(--rule); }
.nav { display: flex; gap: 2px; margin-left: auto; }
.nav a { text-decoration: none; font: 500 13px/1 var(--sans); padding: 9px 12px; border-radius: 99px; display: flex; gap: 6px; align-items: baseline; transition: background .2s; }
.nav a i { font: 400 10px var(--mono); font-style: normal; color: var(--accent); }
.nav a:hover, .nav a.cur { background: var(--paper-2); }
.status { display: flex; align-items: center; gap: 8px; font: 500 11px/1 var(--mono); color: var(--ink-2); padding: 7px 10px; border: 1px solid var(--rule); border-radius: 99px; white-space: nowrap; }
.status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); flex-shrink: 0; }
.status.on .dot { background: #3E8E5A; box-shadow: 0 0 0 3px #3E8E5A22; }
.status.busy .dot { background: var(--accent); animation: pulse 1s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px #A9532F22; } }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); min-height: calc(100svh - var(--top)); border-bottom: 1px solid var(--ink); }
.hero-copy { padding: clamp(32px, 7vh, 96px) var(--gutter) 40px; display: flex; flex-direction: column; justify-content: center; }
.hero h1 { font: 500 clamp(44px, 6.4vw, 104px)/.92 var(--serif); letter-spacing: -.035em; margin: 0 0 28px; font-variation-settings: 'opsz' 96; text-wrap: balance; }
.hero h1 em { color: var(--accent); font-weight: 500; }
.lede { font-size: clamp(16px, 1.25vw, 19px); line-height: 1.55; color: var(--ink-2); max-width: 34em; margin: 0 0 32px; text-wrap: pretty; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 20px; border-radius: 0; font: 600 14px/1 var(--sans); text-decoration: none; border: 1px solid var(--ink); background: none; transition: background .2s, color .2s, transform .2s; white-space: nowrap; }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: var(--accent); border-color: var(--accent); }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn-accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-accent:hover { filter: brightness(1.1); }
.hero-facts { display: flex; margin: 48px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.hero-facts div { padding: 16px 28px 0 0; margin-right: 28px; border-right: 1px solid var(--rule); }
.hero-facts div:last-child { border: 0; margin: 0; }
.hero-facts dt { font: 500 34px/1 var(--serif); }
.hero-facts dt sup { font-size: .5em; }
.hero-facts dd { margin: 6px 0 0; font: 400 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.hero-art { position: relative; border-left: 1px solid var(--ink); overflow: hidden; background: var(--ink); }
.hero-field { position: absolute; inset: 0; }
.hero-field rect { transition: fill .7s cubic-bezier(.6, 0, .2, 1); }
.hero-seed { position: absolute; left: 24px; bottom: 24px; margin: 0; background: var(--paper); padding: 12px; border: 1px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); }
.hero-seed .hs { width: 110px; height: 110px; }
.hero-seed figcaption { display: flex; justify-content: space-between; gap: 16px; font: 500 10px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; margin-top: 10px; color: var(--ink-2); }
.hero-seed #heroModeLabel { color: var(--accent); }
.hero-caption { position: absolute; right: 20px; top: 16px; margin: 0; font: 500 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--paper); background: var(--ink); padding: 6px 8px; max-width: calc(100% - 40px); }

/* ---------- studio ---------- */
.studio { display: grid; grid-template-columns: 340px minmax(0, 1fr); border-bottom: 1px solid var(--ink); min-height: 100svh; }
.panel { border-right: 1px solid var(--ink); padding: 22px 20px 0; position: sticky; top: var(--top); align-self: start; max-height: calc(100svh - var(--top)); overflow-y: auto; overscroll-behavior: contain; background: var(--paper); }
.group { margin-bottom: 20px; min-width: 0; }
.group.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.group h3 { font: 600 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.group h3 b { color: var(--accent); font-weight: 500; }
.group h3 small { margin-left: auto; color: var(--ink-3); font-weight: 400; text-transform: none; letter-spacing: 0; }
.cats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.cat { border: 1px solid var(--rule); background: var(--paper); padding: 0; text-align: left; transition: border-color .15s, box-shadow .2s; position: relative; min-width: 0; }
.cat:hover { border-color: var(--ink); }
.cat .sw { aspect-ratio: 1.35; overflow: hidden; border-bottom: 1px solid var(--rule); }
.cat .sw svg { width: 100%; height: 100%; }
.cat span { display: block; padding: 5px 5px 6px; font: 600 10.5px/1.15 var(--sans); font-stretch: 85%; min-height: 32px; }
.cat span small { display: none; font: 400 9px/1.3 var(--mono); color: var(--ink-3); margin-top: 2px; }
.cat.on { border-color: var(--ink); box-shadow: 3px 3px 0 var(--accent); }
.cat .fig { position: absolute; top: 3px; right: 3px; font: 500 8px/1 var(--mono); background: var(--paper); padding: 2px 3px; text-transform: uppercase; font-style: normal; }
textarea { width: 100%; resize: vertical; border: 1px solid var(--rule); background: var(--paper-2); padding: 10px 12px; font: 400 16px/1.4 var(--sans); color: var(--ink); border-radius: 0; min-height: 52px; }
textarea:focus { outline: none; border-color: var(--ink); background: #fff8; }
.chips { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 8px; }
.chips button { border: 1px dashed var(--rule); background: none; padding: 5px 9px; font: 400 11.5px var(--sans); color: var(--ink-2); border-radius: 99px; }
.chips button:hover { border-style: solid; border-color: var(--ink); color: var(--ink); }
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.mode { border: 1px solid var(--rule); background: none; padding: 8px 4px; display: flex; flex-direction: column; align-items: center; gap: 6px; font: 600 10px/1.1 var(--sans); min-width: 0; text-align: center; }
.mode .mg { width: 28px; height: 28px; }
.mode:hover { border-color: var(--ink); }
.mode.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.seg { display: flex; border: 1px solid var(--ink); }
.seg button { flex: 1; border: 0; background: none; padding: 9px 6px; font: 600 12px/1 var(--sans); white-space: nowrap; min-height: 34px; }
.seg button + button { border-left: 1px solid var(--ink); }
.seg button.on { background: var(--ink); color: var(--paper); }
.palettes { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; margin-bottom: 18px; transition: opacity .2s; }
.palettes.dim { opacity: .45; }
.pal { aspect-ratio: 1; border: 1px solid var(--rule); padding: 0; position: relative; overflow: hidden; background: none; }
.pal i { position: absolute; inset: 0; }
.pal.on { outline: 2px solid var(--ink); outline-offset: 2px; }
.gen-dock { position: sticky; bottom: 0; z-index: 5; margin: 0 -20px; padding: 12px 20px calc(16px + env(safe-area-inset-bottom)); background: linear-gradient(to bottom, transparent, var(--paper) 30%); }
.generate { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; background: var(--ink); color: var(--paper); border: 0; font: 600 16px/1 var(--sans); letter-spacing: .01em; transition: background .2s; position: relative; overflow: hidden; }
.generate:hover { background: var(--accent); }
.generate[disabled] { cursor: progress; background: var(--ink-2); }
.generate[disabled]::after { content: ''; position: absolute; left: 0; bottom: 0; height: 3px; background: var(--accent); animation: load 1.6s ease-in-out infinite; }
@keyframes load { 0% { left: 0; width: 0 } 50% { left: 20%; width: 60% } 100% { left: 100%; width: 0 } }

.stage { padding: 28px var(--gutter) 48px; min-width: 0; container-type: inline-size; container-name: stage; }
.stage-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 32px; align-items: end; padding-bottom: 18px; border-bottom: 1px solid var(--rule); }
.stage-head h2 { font: 500 clamp(36px, 4vw, 60px)/.95 var(--serif); letter-spacing: -.03em; margin: 0; }
.stage-blurb { margin: 0; color: var(--ink-2); font-size: 14px; max-width: 46em; text-wrap: pretty; }
.lineage { list-style: none; display: flex; gap: 6px; padding: 0; margin: 14px 0 0; flex-wrap: wrap; min-height: 4px; }
.lineage li { display: flex; align-items: center; gap: 6px; font: 500 10px/1 var(--mono); text-transform: uppercase; color: var(--ink-3); }
.lineage li button { border: 1px solid var(--rule); background: none; padding: 3px 6px 3px 3px; display: flex; gap: 6px; align-items: center; font: inherit; color: inherit; }
.lineage li button:hover { border-color: var(--ink); color: var(--ink); }
.lineage li.cur button { border-color: var(--ink); color: var(--ink); background: var(--paper-2); }
.lineage li + li::before { content: '→'; }
.lineage .lt { width: 22px; height: 22px; }

.critic { margin-top: 18px; border: 1px solid var(--ink); background: var(--paper-2); animation: rise .5s var(--ease) both; }
.critic-log { padding: 12px 14px; font: 400 12px/1.7 var(--mono); border-bottom: 1px solid var(--rule); }
.critic-log div { display: flex; gap: 10px; }
.critic-log div::before { content: '▸'; color: var(--accent); }
.critic-log .pending::after { content: '…'; animation: blink 1s steps(2) infinite; }
.critic-log .t { margin-left: auto; color: var(--ink-3); padding-left: 8px; }
@keyframes blink { 50% { opacity: 0 } }
.critic-strip { display: flex; gap: 6px; padding: 12px 14px; overflow-x: auto; overscroll-behavior-x: contain; }
.cand { flex: 0 0 auto; width: 58px; position: relative; animation: drop .35s both; }
.cand .ct { width: 58px; height: 58px; border: 1px solid var(--rule); overflow: hidden; transition: opacity .4s, filter .4s; }
.cand .cs { font: 500 9px/1 var(--mono); margin-top: 4px; display: flex; justify-content: space-between; color: var(--ink-3); }
.cand.ai .ct { border-color: var(--ink-2); }
.cand.ai .cs b { color: var(--accent); font-weight: 500; }
.cand.scanning .ct { animation: scan 1.2s ease-in-out infinite; }
.cand.rejected .ct { opacity: .28; filter: grayscale(1); }
.cand.rejected::after { content: ''; position: absolute; left: -2px; right: -2px; top: 29px; height: 1px; background: var(--ink-2); transform: rotate(-45deg); }
.cand.kept .ct { outline: 2px solid var(--accent); outline-offset: 1px; }
@keyframes scan { 50% { opacity: .45 } }
@keyframes drop { from { opacity: 0; transform: translateY(-6px) } }

/* results: editorial contact sheet — the critic's top pick is featured */
.results { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 20px; }
.results .empty { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 32px; align-items: center; border: 1px dashed var(--rule); padding: 20px; }
.empty-art { height: 300px; border: 1px solid var(--ink); overflow: hidden; }
.empty-text { font: 400 clamp(18px, 1.6vw, 24px)/1.35 var(--serif); margin: 0; }
.card { display: flex; flex-direction: column; border: 1px solid var(--ink); background: var(--paper); animation: rise .6s var(--ease) both; transition: transform .25s, box-shadow .25s; min-width: 0; }
.card:first-child { grid-column: span 2; grid-row: span 2; }
@media (hover: hover) { .card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--ink); } }
.card.sel { box-shadow: 6px 6px 0 var(--accent); transform: translate(-3px, -3px); }
@keyframes rise { from { opacity: 0; transform: translateY(18px) } }
.card .swatch { aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 1px solid var(--ink); cursor: zoom-in; position: relative; }
.card:first-child .swatch { aspect-ratio: auto; flex: 1 1 auto; min-height: 280px; }
.card .swatch svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.card .rank { position: absolute; left: 8px; top: 8px; font: 500 10px/1 var(--mono); background: var(--paper); border: 1px solid var(--ink); padding: 4px 5px; }
.card .score { position: absolute; right: 8px; top: 8px; font: 600 15px/1 var(--serif); background: var(--ink); color: var(--paper); padding: 6px 7px 5px; font-style: italic; }
.card:first-child .score { font-size: 22px; padding: 8px 10px 6px; }
.card:first-child .score::before { content: 'Critic’s pick  '; font: 500 9px var(--mono); font-style: normal; letter-spacing: .06em; text-transform: uppercase; vertical-align: middle; opacity: .7; }
.card .meta { padding: 12px 12px 10px; display: flex; flex-direction: column; gap: 6px; }
.card h4 { font: 500 21px/1.05 var(--serif); margin: 0; letter-spacing: -.01em; }
.card:first-child h4 { font-size: clamp(26px, 2.4vw, 36px); }
.card .crit { font-size: 12.5px; line-height: 1.45; color: var(--ink-2); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card:first-child .crit { font-size: 14px; -webkit-line-clamp: 4; }
.card .ref { font: 400 10.5px/1.4 var(--mono); color: var(--accent); margin: 0; }
.card .tags { display: flex; gap: 4px; flex-wrap: wrap; padding-top: 4px; }
.card .tags span { font: 500 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .04em; border: 1px solid var(--rule); padding: 3px 5px; color: var(--ink-3); }
.card .acts { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); margin-top: auto; }
.card .acts button { border: 0; background: none; padding: 12px 6px; font: 600 12px/1 var(--sans); min-height: 42px; }
.card .acts button + button { border-left: 1px solid var(--ink); background: var(--ink); color: var(--paper); }
.card .acts button:hover { background: var(--accent); color: var(--accent-ink); }
.swipe-hint { display: none; }

@container stage (max-width: 860px) {
  .results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card:first-child { grid-row: auto; }
  .card:first-child .swatch { aspect-ratio: 16 / 9; flex: none; min-height: 0; }
  .stage-head { grid-template-columns: 1fr; gap: 10px; }
}
@container stage (max-width: 560px) {
  .results { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; margin-inline: calc(-1 * var(--gutter)); padding: 4px var(--gutter) 14px; scroll-padding-inline: var(--gutter); overscroll-behavior-x: contain; }
  .card, .card:first-child { flex: 0 0 84%; scroll-snap-align: start; }
  .card:first-child .swatch, .card .swatch { aspect-ratio: 4 / 5; }
  .results .empty { flex: 0 0 100%; grid-template-columns: 1fr; }
  .empty-art { height: 220px; }
  .swipe-hint { display: flex; justify-content: space-between; font: 500 10px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-top: 2px; }
}

/* ---------- workbench (full-screen dark sheet) ---------- */
.bench { position: fixed; inset: 0; z-index: 90; background: var(--dark); color: var(--dark-text); display: flex; flex-direction: column; animation: sheet .45s var(--ease) both; }
.bench[hidden] { display: none; }
@keyframes sheet { from { transform: translateY(24px) } }
.bench .kicker { color: var(--dark-mute); margin-bottom: 6px; }
.bench-head { display: flex; gap: 20px; align-items: center; justify-content: space-between; padding: calc(14px + env(safe-area-inset-top)) var(--gutter) 14px; border-bottom: 1px solid var(--dark-rule); flex-shrink: 0; }
.bench-title { min-width: 0; }
.bench-head h2 { font: 500 clamp(28px, 3.2vw, 48px)/1 var(--serif); margin: 0; letter-spacing: -.03em; font-style: italic; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bench-crit { color: var(--dark-mute); max-width: 70em; margin: 6px 0 0; font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
#benchCode { word-break: break-all; }
.bench-head-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.icon-btn { width: 46px; height: 46px; border: 1px solid var(--dark-rule); background: none; color: var(--dark-text); font-size: 16px; }
.icon-btn:hover { border-color: var(--dark-text); }
.bench-body { flex: 1; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; scrollbar-color: var(--dark-rule) transparent; }
.bench-body::-webkit-scrollbar-thumb { background: var(--dark-rule); }
.bench-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(340px, 1fr); gap: 20px; padding: 18px var(--gutter) calc(28px + env(safe-area-inset-bottom)); align-items: start; }
.proof-wrap { display: flex; flex-direction: column; border: 1px solid var(--dark-rule); min-width: 0; position: sticky; top: 18px; background: var(--dark); }
.proof { height: calc(100svh - 230px); min-height: 320px; overflow: hidden; position: relative; }
.proof canvas { width: 100%; height: 100%; }
.proof-bar { display: flex; gap: 18px; align-items: center; padding: 10px 14px; border-top: 1px solid var(--dark-rule); font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--dark-mute); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.proof-bar::-webkit-scrollbar { display: none; }
.proof-bar label { display: flex; align-items: center; gap: 8px; }
input[type=range] { accent-color: var(--accent); width: 110px; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.seg-dark { border-color: var(--dark-rule); }
.seg-dark button { color: var(--dark-text); font-size: 11px; padding: 6px 10px; min-height: 32px; }
.seg-dark button + button { border-color: var(--dark-rule); }
.seg-dark button.on { background: var(--dark-text); color: var(--dark); }
.tools { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--dark-rule); border: 1px solid var(--dark-rule); }
.tool { background: var(--dark); padding: 14px; min-width: 0; }
.tool:nth-child(n+3) { grid-column: 1 / -1; }
.tool h5 { margin: 0 0 10px; font: 600 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; display: flex; justify-content: space-between; gap: 8px; }
.tool h5 span { color: var(--dark-mute); font-weight: 400; text-transform: none; letter-spacing: 0; text-align: right; }
.seed-editor { display: grid; gap: 2px; aspect-ratio: 1; user-select: none; -webkit-user-select: none; touch-action: none; }
.seed-editor button { border: 0; padding: 0; background: var(--dark-3); transition: background .12s; min-width: 0; }
.seed-editor button.ink { background: var(--accent); }
@media (hover: hover) { .seed-editor button:hover { outline: 1px solid var(--dark-text); } }
.seed-editor button.ghost { opacity: .35; }
#tileView { aspect-ratio: 1; }
#tileView svg { width: 100%; height: 100%; }
.mini-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 8px; }
.mini-actions button, .export-row button, .custom-colors button { border: 1px solid var(--dark-rule); background: none; color: var(--dark-text); padding: 9px 4px; font: 500 11px/1 var(--sans); min-height: 36px; }
.mini-actions button:hover, .export-row button:hover, .custom-colors button:hover { border-color: var(--dark-text); }
.mini-actions button[disabled] { opacity: .3; cursor: not-allowed; }
.modes-dark { grid-template-columns: repeat(5, 1fr); }
.modes-dark .mode { border-color: var(--dark-rule); color: var(--dark-text); }
.modes-dark .mode.on { background: var(--dark-text); color: var(--dark); }
.palettes-dark { margin-bottom: 10px; grid-template-columns: repeat(14, 1fr); }
.palettes-dark .pal { border-color: var(--dark-rule); }
.palettes-dark .pal.on { outline-color: var(--dark-text); }
.custom-colors { display: flex; gap: 12px; align-items: center; font: 500 11px var(--mono); color: var(--dark-mute); text-transform: uppercase; }
.custom-colors label { display: flex; align-items: center; gap: 6px; }
.custom-colors input { width: 32px; height: 28px; border: 1px solid var(--dark-rule); background: none; padding: 0; }
.custom-colors button { padding: 6px 12px; margin-left: auto; }
.export-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.export-row button { padding: 11px 4px; }

/* gradient tool */
.grad-dirs button { font-size: 15px; }
.grad-dirs button:first-child { font-size: 11px; }
.ramp { display: grid; grid-template-columns: repeat(11, 1fr); gap: 2px; margin: 12px 0 10px; }
.ramp button { border: 0; padding: 0; background: none; display: flex; flex-direction: column; gap: 5px; align-items: stretch; color: var(--dark-mute); font: 500 9px/1 var(--mono); min-width: 0; }
.ramp button i { display: block; height: 30px; border: 1px solid transparent; transition: transform .2s; }
.ramp button.in i { border-color: var(--dark-text); }
.ramp button.end i { transform: translateY(-3px); box-shadow: 0 3px 0 var(--accent); }
.ramp button.in { color: var(--dark-text); }
.grad-range { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 10px; font: 500 11px var(--mono); text-transform: uppercase; color: var(--dark-mute); }
.grad-range label { display: flex; align-items: center; gap: 8px; }
.grad-range input { flex: 1; min-width: 0; width: auto; }
.grad-range output { width: 26px; text-align: right; color: var(--dark-text); }
.tool-grad.off .ramp, .tool-grad.off .grad-range, .tool-grad.off #gradScope { opacity: .35; pointer-events: none; }

/* ---------- method ---------- */
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 40px; padding: 64px var(--gutter) 28px; align-items: end; }
.section-head .kicker { grid-column: 1 / -1; }
.section-head h2 { font: 500 clamp(40px, 5vw, 76px)/.95 var(--serif); letter-spacing: -.035em; margin: 0; text-wrap: balance; }
.section-head p:last-child { color: var(--ink-2); margin: 0; max-width: 36em; }
.method { border-bottom: 1px solid var(--ink); }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.step { padding: 20px 20px 28px; border-right: 1px solid var(--rule); position: relative; }
.step:first-child { padding-left: var(--gutter); }
.step:last-child { border-right: 0; padding-right: var(--gutter); }
.step .num { font: 500 11px var(--mono); color: var(--accent); }
.step .vis { height: 170px; display: grid; place-items: center; margin: 12px 0 16px; }
.step .vis > * { max-height: 170px; max-width: 100%; }
.step .vis > svg { width: 170px; height: 170px; }
.step h4 { font: 500 24px/1.05 var(--serif); margin: 0 0 6px; }
.step p { margin: 0; font-size: 13px; color: var(--ink-2); }
.step:not(:last-child)::after { content: '→'; position: absolute; right: -9px; top: 100px; background: var(--paper); font: 400 16px var(--mono); padding: 2px 0; z-index: 2; }

/* ---------- atlas ---------- */
.plates { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.plate { border: 0; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 18px; cursor: pointer; background: none; text-align: left; display: flex; flex-direction: column; transition: background .2s; min-width: 0; }
.plate:nth-child(4n) { border-right: 0; }
.plate:hover { background: var(--paper-2); }
.plate .pv { aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--ink); margin-bottom: 14px; position: relative; }
.plate .pv svg { width: 100%; height: 100%; transition: transform 1.2s var(--ease); }
.plate:hover .pv svg { transform: scale(1.12); }
.plate .yr { font: 500 11px var(--mono); color: var(--accent); display: flex; justify-content: space-between; gap: 8px; }
.plate .yr span { color: var(--ink-3); text-align: right; }
.plate h4 { font: 500 26px/1 var(--serif); margin: 8px 0 8px; letter-spacing: -.02em; }
.plate p { margin: 0 0 12px; font-size: 13px; color: var(--ink-2); }
.plate .go { margin-top: auto; font: 600 12px var(--sans); }
.plate:hover .go { color: var(--accent); }

/* ---------- footer ---------- */
.foot { background: var(--ink); color: var(--paper); }
.foot-field { height: 120px; overflow: hidden; }
.foot-field svg { width: 100%; height: 100%; }
.foot-row { display: flex; gap: 16px 24px; align-items: center; justify-content: space-between; padding: 22px var(--gutter) calc(22px + env(safe-area-inset-bottom)); font: 400 11px var(--mono); color: #A69E92; flex-wrap: wrap; }
.foot-row .brand-word { color: var(--paper); font-size: 28px; }
.foot-row a { text-decoration: none; }

.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px); background: var(--ink); color: var(--paper); padding: 12px 18px; font: 500 12px var(--mono); opacity: 0; transition: .3s; z-index: 200; pointer-events: none; border-left: 3px solid var(--accent); max-width: calc(100vw - 32px); }
.toast.on { opacity: 1; transform: translate(-50%, 0); }
.bench:not([hidden]) ~ .toast, body.locked .toast { background: var(--dark-text); color: var(--dark); }

/* ---------- responsive ---------- */
@media (max-width: 1400px) {
  .plates { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plate:nth-child(4n) { border-right: 1px solid var(--rule); }
  .plate:nth-child(2n) { border-right: 0; }
}
/* iPad landscape & small laptops: stacked studio, horizontal category strip */
@media (max-width: 1100px) {
  .studio { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .panel { position: static; max-height: none; overflow: visible; border-right: 0; border-bottom: 1px solid var(--ink); padding: 22px var(--gutter) 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 28px; }
  .panel > .group:first-child { grid-column: 1 / -1; }
  .cats { display: grid; grid-auto-flow: column; grid-auto-columns: 118px; grid-template-columns: none; overflow-x: auto; scroll-snap-type: x proximity; margin-inline: calc(-1 * var(--gutter)); padding: 2px var(--gutter) 10px; scroll-padding-inline: var(--gutter); overscroll-behavior-x: contain; }
  .cat { scroll-snap-align: start; }
  .cat span small { display: block; }
  .modes { grid-template-columns: repeat(6, 1fr); }
  .palettes { grid-template-columns: repeat(14, 1fr); grid-column: 1 / -1; }
  .gen-dock { grid-column: 1 / -1; margin: 0 calc(-1 * var(--gutter)); padding-inline: var(--gutter); }
  .generate { max-width: 560px; margin: 0 auto; box-shadow: 0 10px 30px -10px #16141266; }
  .bench-grid { grid-template-columns: minmax(0, 1fr); padding-top: 0; }
  .proof-wrap { top: 0; z-index: 4; margin-inline: calc(-1 * var(--gutter)); border-inline: 0; border-top: 0; }
  .proof { height: 46svh; min-height: 260px; }
  .tools { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step, .step:first-child, .step:last-child { padding: 20px var(--gutter) 28px; border-bottom: 1px solid var(--rule); }
  .step:nth-child(2n) { border-right: 0; }
  .step:last-child { grid-column: 1 / -1; }
  .step::after { display: none; }
}
/* iPad portrait */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding-top: 48px; }
  .hero-art { min-height: 58svh; border-left: 0; border-top: 1px solid var(--ink); }
  .section-head { grid-template-columns: 1fr; row-gap: 14px; padding-top: 48px; }
  .panel { grid-template-columns: minmax(0, 1fr); }
  .modes-dark { grid-template-columns: repeat(5, 1fr); }
}
/* phones */
@media (max-width: 640px) {
  :root { --top: 52px; }
  .brand-sub, .nav-method, .nav a i, .status-text { display: none; }
  .nav a { padding: 8px 10px; }
  .status { padding: 8px; }
  .hero h1 { font-size: clamp(42px, 12.4vw, 60px); }
  .hero-facts dt { font-size: 28px; }
  .hero-facts div { padding-right: 14px; margin-right: 14px; }
  .hero-cta .btn { flex: 1; }
  .hero-seed { left: 14px; bottom: 14px; padding: 8px; box-shadow: 5px 5px 0 var(--ink); }
  .hero-seed .hs { width: 76px; height: 76px; }
  .hero-caption { right: 12px; top: 12px; font-size: 9px; }
  .modes { grid-template-columns: repeat(3, 1fr); }
  .palettes { grid-template-columns: repeat(7, 1fr); }
  .stage { padding-top: 22px; }
  .critic-log { font-size: 11px; line-height: 1.6; padding: 10px 12px; }
  .bench-head { padding-block: calc(10px + env(safe-area-inset-top)) 10px; gap: 10px; }
  .bench-head .kicker, .bench-crit { display: none; }
  .bench-head h2 { font-size: 26px; }
  #moreLike { padding: 12px 14px; }
  #moreLike kbd { display: none; }
  .proof { height: 40svh; min-height: 220px; }
  .proof-bar { gap: 14px; padding: 8px 12px; }
  .proof-bar input[type=range] { width: 84px; }
  .tool { padding: 12px; }
  .modes-dark { grid-template-columns: repeat(5, 1fr); }
  .modes-dark .mode { font-size: 8.5px; padding: 6px 2px; }
  .modes-dark .mode .mg { width: 22px; height: 22px; }
  .palettes-dark { grid-template-columns: repeat(7, 1fr); }
  .export-row { grid-template-columns: 1fr 1fr; }
  .grad-range { grid-template-columns: 1fr; gap: 6px; }
  .steps { grid-template-columns: 1fr; }
  .step:nth-child(n) { border-right: 0; grid-column: auto; }
  .step { display: grid; grid-template-columns: 120px 1fr; column-gap: 16px; align-items: center; }
  .step .num { grid-column: 1 / -1; }
  .step .vis { height: 120px; margin: 8px 0; grid-row: span 2; }
  .step .vis > svg, .step .vis > div { width: 120px !important; height: 120px !important; }
  .step h4 { font-size: 21px; align-self: end; }
  .step p { align-self: start; font-size: 12.5px; }
  .plates { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter); padding: 0 var(--gutter) 8px; gap: 0; overscroll-behavior-x: contain; }
  .plate { flex: 0 0 82%; scroll-snap-align: start; border-right: 1px solid var(--rule) !important; border-bottom: 0; padding: 18px 16px 22px; }
  .plate:first-child { padding-left: 0; }
  .foot-row { justify-content: flex-start; }
}
@media (hover: none) { kbd { display: none; } }