/* ═══════════════════════════════════════════════════════════════════════
   Atri Arch Studio, in the Studio Rabbit world.

   Warm black and cream. Archivo set large and uppercase for what the page
   is about; Archivo italic for the soft line; Geist for everything you
   operate. Hairline rules instead of boxes, grain over everything, and
   colour only where it means something: brick red for a breach.
   ═══════════════════════════════════════════════════════════════════════ */

@font-face { font-family: Archivo; font-style: normal; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url("fonts/Archivo-latin.woff2") format("woff2"); }
@font-face { font-family: Archivo; font-style: italic; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url("fonts/Archivo-Italic-latin.woff2") format("woff2"); }
@font-face { font-family: Geist; font-style: normal; font-weight: 100 900; font-display: swap; src: url("fonts/Geist-latin.woff2") format("woff2"); }
@font-face { font-family: "Archivo Fallback"; src: local("Arial"), local("Helvetica"); size-adjust: 94%; ascent-override: 93.4%; descent-override: 22.3%; line-gap-override: 0%; }
@font-face { font-family: "Geist Fallback"; src: local("Arial"), local("Helvetica"); size-adjust: 103%; ascent-override: 97.57%; descent-override: 28.64%; line-gap-override: 0%; }

:root {
  color-scheme: dark;

  --ink: #0b0a09;          /* the ground */
  --coal: #141312;         /* a raised surface */
  --soot: #1a1919;         /* the panel */
  --cream: #ede6dc;
  --c-rgb: 237, 230, 220;
  --cream-2: rgba(var(--c-rgb), 0.74);
  --cream-3: rgba(var(--c-rgb), 0.5);
  --cream-4: rgba(var(--c-rgb), 0.3);
  --rule: rgba(var(--c-rgb), 0.1);
  --rule-2: rgba(var(--c-rgb), 0.2);
  --brick: #c4553f;        /* the one signal colour */

  /* Discipline pigments, in the studio's monochrome. */
  --indigo: #a39c92;       /* stone: measured analysis */
  --ochre: #c9b497;        /* sand: structure and cost */
  --orpiment: #e8dcc6;     /* cream: judgement and Vastu */
  --hingula: var(--brick); /* code and breach */
  --gold: var(--cream);
  --ok: var(--cream);

  --display: Archivo, "Archivo Fallback", Helvetica, Arial, sans-serif;
  --ui: Geist, "Geist Fallback", Helvetica, Arial, sans-serif;
  --num: var(--ui);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.87, 0, 0.13, 1);
  --bar-h: 64px;
  --gut: clamp(16px, 3.2vw, 48px);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  min-height: 100svh;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--ui);
  font-size: 15px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body[data-phase="running"], body[data-phase="review"] { overflow: hidden; height: 100svh; }
::selection { background: var(--cream); color: var(--ink); }
:focus-visible { outline: 1px solid var(--cream); outline-offset: 3px; }
* { scrollbar-width: thin; scrollbar-color: rgba(var(--c-rgb), 0.18) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(var(--c-rgb), 0.16); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }
button { font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; caret-color: var(--cream); }
[hidden] { display: none !important; }
svg { overflow: visible; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--cream); color: var(--ink); border-radius: 999px; }
.skip:focus { top: 12px; }

/* Film grain over everything, as on the studio's own site. */
.grain {
  position: fixed; inset: -60%; z-index: 90; pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate3d(0, 0, 0); } 20% { transform: translate3d(-4%, 3%, 0); }
  40% { transform: translate3d(3%, -5%, 0); } 60% { transform: translate3d(-6%, -2%, 0); }
  80% { transform: translate3d(5%, 4%, 0); } 100% { transform: translate3d(-2%, 6%, 0); }
}

/* ── buttons and small parts ─────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  height: 40px; padding: 0 20px; border: 0; border-radius: 999px; cursor: pointer;
  font-family: var(--ui); font-size: 11.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  white-space: nowrap; transition: background-color 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease), opacity 0.3s;
}
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform 0.45s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn:disabled { cursor: progress; opacity: 0.6; }
.btn--cream { background: var(--cream); color: var(--ink); }
.btn--cream:hover { background: #fff; }
.btn--line { background: transparent; color: var(--cream); box-shadow: inset 0 0 0 1px var(--rule-2); }
.btn--line:hover { box-shadow: inset 0 0 0 1px var(--cream-3); }
.btn--quiet { height: 32px; padding: 0 12px; background: transparent; color: var(--cream-3); }
.btn--quiet:hover { color: var(--cream); }
.ghost-btn {
  display: inline-flex; align-items: center; height: 36px; padding: 0 16px; border-radius: 999px; border: 0;
  background: transparent; color: var(--cream); box-shadow: inset 0 0 0 1px var(--rule-2); cursor: pointer; text-decoration: none;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
}
.ghost-btn:hover { box-shadow: inset 0 0 0 1px var(--cream-3); }
.link {
  padding: 0; border: 0; background: none; cursor: pointer;
  font-size: 13px; font-weight: 500; color: var(--cream);
  text-decoration: underline; text-decoration-color: var(--cream-4); text-underline-offset: 5px; text-decoration-thickness: 1px;
  transition: text-decoration-color 0.3s;
}
.link:hover { text-decoration-color: var(--cream); }
.x { display: grid; place-items: center; width: 40px; height: 40px; border: 0; border-radius: 50%; background: transparent; color: var(--cream); cursor: pointer; box-shadow: inset 0 0 0 1px var(--rule-2); }
.x svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.x:hover { box-shadow: inset 0 0 0 1px var(--cream-3); }

/* ── the bar ─────────────────────────────────────────────────────────── */

.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 40; height: var(--bar-h);
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 24px;
  padding: 0 var(--gut);
  background: linear-gradient(180deg, rgba(11, 10, 9, 0.92), rgba(11, 10, 9, 0.6) 70%, rgba(11, 10, 9, 0));
  view-transition-name: bar;
}
body[data-phase="review"] .bar, body[data-phase="running"] .bar { background: var(--ink); box-shadow: inset 0 -1px 0 var(--rule); }
.wordmark {
  display: inline-flex; align-items: center; gap: 12px; padding: 0; border: 0; background: none; cursor: pointer;
  font-family: var(--display); font-stretch: 94%; font-weight: 700; font-size: 17px; letter-spacing: 0.04em; text-transform: uppercase;
}
.wordmark img { width: 28px; height: 28px; object-fit: contain; }
.bar__mid { min-width: 0; display: flex; justify-content: center; }
.bar__end { display: flex; align-items: center; gap: 18px; }
.engine { display: flex; align-items: center; gap: 9px; margin: 0; font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); white-space: nowrap; }
.engine i { width: 6px; height: 6px; border-radius: 50%; background: var(--cream-3); }
.engine i[data-tone="ok"] { background: var(--cream); }
.engine i[data-tone="running"] { animation: beat 1.4s var(--ease-in-out) infinite; }
.engine i[data-tone="bad"] { background: var(--brick); }
@keyframes beat { 50% { opacity: 0.25; } }

.schemes, .views { display: none; }
body[data-phase="review"] .schemes, body[data-phase="review"] .views { display: flex; }
body[data-phase="review"] .engine, body[data-phase="running"] .engine { display: none; }
.schemes { gap: 4px; }
.scheme-tab {
  display: inline-flex; align-items: baseline; gap: 10px; height: 36px; padding: 0 16px; border: 0; border-radius: 999px;
  background: transparent; color: var(--cream-3); cursor: pointer;
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; line-height: 36px;
  transition: color 0.3s, background-color 0.3s;
}
.scheme-tab b { font-weight: 500; letter-spacing: 0; color: inherit; opacity: 0.8; }
.scheme-tab:hover { color: var(--cream); }
.scheme-tab[aria-selected="true"] { background: var(--cream); color: var(--ink); }
.scheme-tab[data-dq="1"] b { color: var(--brick); opacity: 1; }
.views { gap: 2px; }
.view-tab {
  position: relative; height: 36px; padding: 0 12px; border: 0; background: none; cursor: pointer;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3);
  transition: color 0.3s;
}
.view-tab::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1px; background: var(--cream); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease); }
.view-tab:hover { color: var(--cream); }
.view-tab.is-on { color: var(--cream); }
.view-tab.is-on::after { transform: scaleX(1); }

/* ── phases ──────────────────────────────────────────────────────────── */

.compose, .running, .review { display: none; }
body[data-phase="compose"] .compose { display: grid; }
body[data-phase="running"] .running { display: block; }
body[data-phase="review"] .review { display: grid; }

/* ═══ THE BRIEF ═════════════════════════════════════════════════════════ */

.compose {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  min-height: 100svh;
}
.compose__title {
  position: sticky; top: 0; height: 100svh;
  display: grid; grid-template-rows: auto minmax(0, 1fr); align-content: start; gap: 24px;
  padding: calc(var(--bar-h) + clamp(32px, 7vh, 88px)) var(--gut) 40px;
  border-right: 1px solid var(--rule);
  overflow: hidden;
}
.compose__title::before {
  /* the studio's light: one warm pool, low on the drawing */
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(90% 60% at 40% 80%, rgba(var(--c-rgb), 0.05), transparent 70%);
}
.headline { margin: 0; display: flex; flex-direction: column; gap: 2px; }
.headline__soft {
  font-family: var(--display); font-style: italic; font-weight: 300; font-stretch: 94%;
  font-size: clamp(26px, 2.9vw, 46px); line-height: 1.05; letter-spacing: -0.01em; color: var(--cream-2);
}
.headline__hard {
  font-family: var(--display); font-weight: 500; font-stretch: 94%;
  font-size: clamp(46px, 6.2vw, 96px); line-height: 0.92; letter-spacing: -0.025em; text-transform: uppercase;
  color: var(--cream);
}
.headline__hard--sm { font-size: clamp(24px, 2.6vw, 40px); line-height: 1; letter-spacing: -0.01em; margin-top: 10px; color: var(--cream-2); }
.headline span span { color: var(--cream); font-style: italic; }

.plotfig { margin: 0; min-height: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; }
.plotfig svg { width: 100%; height: 100%; min-height: 220px; max-height: 46vh; }
.plotfig figcaption { margin-top: 8px; font-size: 12px; color: rgba(var(--c-rgb), 0.58); }
.pf-plot, .pf-env, .pf-floor, .pf-band { transition: x 0.7s var(--ease), y 0.7s var(--ease), width 0.7s var(--ease), height 0.7s var(--ease); }
.pf-plot { fill: rgba(var(--c-rgb), 0.025); stroke: var(--cream); stroke-width: 1.25; }
.pf-env { fill: none; stroke: var(--cream-3); stroke-width: 0.8; stroke-dasharray: 4 4; }
.pf-floor { fill: var(--ink); stroke: rgba(var(--c-rgb), 0.22); stroke-width: 0.8; }
.pf-band { fill: rgba(var(--c-rgb), 0.07); }
.pf-dim { stroke: var(--cream-4); stroke-width: 0.8; }
.pf-t { fill: var(--cream-3); font-family: var(--ui); font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-anchor: middle; }
.pf-t--road { fill: var(--cream-2); font-size: 9px; letter-spacing: 0.3em; }
.pf-north path { fill: var(--cream); }
.pf-north text { fill: var(--cream-2); font-family: var(--ui); font-size: 11px; font-weight: 600; text-anchor: middle; }

.compose__sheet { padding: calc(var(--bar-h) + clamp(32px, 7vh, 88px)) var(--gut) 0; min-width: 0; }
.modes { display: flex; gap: 28px; margin-bottom: 8px; border-bottom: 1px solid var(--rule); }
.mode-tab {
  position: relative; padding: 0 0 16px; border: 0; background: none; cursor: pointer;
  font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3);
  transition: color 0.3s;
}
.mode-tab::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--cream); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease); }
.mode-tab:hover, .mode-tab[aria-selected="true"] { color: var(--cream); }
.mode-tab[aria-selected="true"]::after { transform: scaleX(1); }

.spec { max-width: 640px; }
.spec__group { padding-top: clamp(40px, 6vh, 64px); }
.spec__h {
  margin: 0 0 14px; font-family: var(--display); font-weight: 500; font-stretch: 94%;
  font-size: 30px; line-height: 1; letter-spacing: -0.01em; text-transform: uppercase;
}
.row {
  display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 8px 20px; align-items: center;
  padding: 16px 0; border-top: 1px solid var(--rule);
}
.row--stack { grid-template-columns: minmax(0, 1fr); }
.row__k { font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); }
.row__v { min-width: 0; }
.row__v--pair, .row__v--trio { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 28px; }
.row__note { margin: 0; padding: 0 0 4px; font-size: 13px; line-height: 1.55; color: var(--cream-3); max-width: 56ch; }
.spec__group > .row__note { padding: 4px 0 14px; }
.times { color: var(--cream-4); font-size: 18px; }

.num { display: inline-flex; align-items: baseline; gap: 8px; }
.num i, .num__pre { font-style: normal; font-size: 13px; color: var(--cream-3); white-space: nowrap; }
.num input {
  width: 4.6ch; padding: 2px 0 4px; border: 0; border-bottom: 1px solid var(--rule-2); border-radius: 0;
  background: transparent; font-size: 24px; font-weight: 400; letter-spacing: -0.01em; text-align: left;
  -moz-appearance: textfield; appearance: textfield; transition: border-color 0.3s;
}
.num--wide input { width: 9ch; }
.row__v--trio .num input { width: 3.4ch; }
.num input:hover { border-color: var(--cream-3); }
.num input:focus { outline: none; border-color: var(--cream); }
.num input::-webkit-outer-spin-button, .num input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.num input::placeholder, .text::placeholder { color: rgba(var(--c-rgb), 0.58); }
.num--step { gap: 6px; }
.num--step input { width: 2.2ch; text-align: center; }
.num--step i { margin-left: 4px; }
.step {
  display: grid; place-items: center; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 50%;
  background: transparent; color: var(--cream-2); cursor: pointer; font-size: 16px; line-height: 1;
  box-shadow: inset 0 0 0 1px var(--rule-2); transition: box-shadow 0.3s, color 0.3s;
  align-self: center;
}
.step:hover { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-3); }

.spec select, .text {
  width: 100%; max-width: 22rem; padding: 4px 28px 6px 0; border: 0; border-bottom: 1px solid var(--rule-2); border-radius: 0;
  background: transparent; font-size: 18px; transition: border-color 0.3s; appearance: none;
}
.spec select {
  cursor: pointer;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23ede6dc' stroke-width='1.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 4px center;
}
.spec select option { background: var(--coal); color: var(--cream); }
.spec select:hover, .text:hover { border-color: var(--cream-3); }
.spec select:focus, .text:focus { outline: none; border-color: var(--cream); }

/* The road picker: a compass rose of eight sides around the plot. */
.rose { display: grid; grid-template-columns: repeat(3, 46px); grid-template-rows: repeat(3, 34px); gap: 4px; }
.dir-radio { position: relative; display: grid; cursor: pointer; }
.dir-radio input, .amenity-chip input, .seg input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.dir-radio span {
  display: grid; place-items: center; border-radius: 6px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em; color: var(--cream-3);
  box-shadow: inset 0 0 0 1px var(--rule); transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.dir-radio:hover span { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-4); }
.dir-radio input:checked + span { background: var(--cream); color: var(--ink); box-shadow: none; }
.dir-radio input:focus-visible + span, .amenity-chip input:focus-visible + span, .seg input:focus-visible + span { outline: 1px solid var(--cream); outline-offset: 3px; }
.rose__c { border-radius: 2px; margin: 9px 13px; box-shadow: inset 0 0 0 1px var(--cream-4); }

.toggles { display: flex; flex-wrap: wrap; gap: 8px; }
.amenity-chip { position: relative; display: inline-flex; cursor: pointer; }
.amenity-chip span {
  padding: 8px 15px; border-radius: 999px; font-size: 13px; color: var(--cream-2);
  box-shadow: inset 0 0 0 1px var(--rule-2); transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.amenity-chip:hover span { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-3); }
.amenity-chip.is-checked span, .amenity-chip input:checked + span { background: var(--cream); color: var(--ink); box-shadow: none; }

.seg { display: inline-flex; flex-wrap: wrap; padding: 3px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--rule-2); }
.seg label { position: relative; cursor: pointer; }
.seg span { display: block; padding: 9px 16px; border-radius: 999px; font-size: 13px; color: var(--cream-3); transition: background-color 0.35s var(--ease), color 0.35s; }
.seg label:hover span { color: var(--cream); }
.seg input:checked + span { background: var(--cream); color: var(--ink); }
.row--stack .row__note { padding-top: 6px; }

.go {
  position: sticky; bottom: 0; z-index: 5;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 4px 24px;
  margin-top: 56px; padding: 22px 0 26px;
  background: linear-gradient(180deg, rgba(11, 10, 9, 0), var(--ink) 32%);
  border-top: 1px solid var(--rule);
}
.go__sum { margin: 0; font-size: 13px; color: var(--cream-2); }
.go__fine { grid-column: 1 / -1; margin: 0; font-size: 12px; color: rgba(var(--c-rgb), 0.58); }
.btn--go { height: 56px; padding: 0 30px; font-size: 12px; }
.btn--go.is-loading { background: var(--cream-2); }

/* Upload */
.dropzone {
  position: relative; display: grid; justify-items: center; gap: 10px; text-align: center;
  padding: 40px 24px; border-radius: 14px; cursor: pointer;
  box-shadow: inset 0 0 0 1px var(--rule-2);
  transition: box-shadow 0.3s, background-color 0.3s;
}
.dropzone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone:hover, .dropzone:focus-within, .dropzone.is-over { box-shadow: inset 0 0 0 1px var(--cream-3); background: rgba(var(--c-rgb), 0.02); }
.dropzone.has-file { box-shadow: inset 0 0 0 1px var(--cream); }
.dropzone__icon { width: 40px; height: 40px; fill: none; stroke: var(--cream-3); stroke-width: 1.2; }
.dropzone__title { font-family: var(--display); font-weight: 500; font-stretch: 94%; font-size: 20px; text-transform: uppercase; }
.dropzone__sub { max-width: 48ch; font-size: 13px; line-height: 1.55; color: var(--cream-3); }
.dropzone__file { font-size: 13px; color: var(--cream); }
.import-report { margin-top: 28px; padding: 18px 0 0; border-top: 1px solid var(--rule); font-size: 13px; color: var(--cream-2); }
.import-report h4 { margin: 0 0 6px; font-size: 14px; font-weight: 600; color: var(--cream); }
.import-report p { margin: 0 0 8px; line-height: 1.55; }
.import-report .warn { color: var(--ochre); }
.import-report .bad, .bad { color: var(--brick); }
.import-report .note, .note { color: var(--cream-3); }
.warn { color: var(--ochre); }
.import-rooms { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.import-room { padding: 4px 10px; border-radius: 999px; font-size: 12px; color: var(--cream-2); box-shadow: inset 0 0 0 1px var(--rule-2); }
.import-room b { font-weight: 600; color: var(--cream); }
.import-room[data-low="1"] { box-shadow: inset 0 0 0 1px var(--brick); }

/* ═══ THE RUN ═══════════════════════════════════════════════════════════ */

.running { position: fixed; inset: var(--bar-h) 0 0 0; }
.atelier { height: 100%; display: grid; grid-template-rows: minmax(0, 1fr) auto; }
.at-main { min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) 320px; }
.at-stage { position: relative; min-height: 0; overflow: hidden; background: var(--ink); }
body[data-phase="running"] .at-stage { view-transition-name: sheet; }
.at-stage::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 10, 9, 0.7) 0%, rgba(11, 10, 9, 0) 22%, rgba(11, 10, 9, 0) 55%, rgba(11, 10, 9, 0.85) 100%),
    radial-gradient(130% 95% at 50% 46%, transparent 55%, rgba(0, 0, 0, 0.5) 100%);
}
.at-3d { position: absolute; inset: 0; }
.st-canvas { display: block; width: 100%; height: 100%; }
.st-labels { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.st-label {
  position: absolute; left: 0; top: 0; padding: 2px 7px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap;
  color: var(--cream-2); background: rgba(11, 10, 9, 0.7);
  opacity: 0; transition: opacity 0.5s var(--ease), color 0.3s, background-color 0.3s;
}
.st-label.is-on { opacity: 1; }
.st-label--zone { background: transparent; color: var(--cream-3); letter-spacing: 0.2em; }
.st-label--dim { font-size: 10px; letter-spacing: 0.08em; color: var(--ochre, #c9a46a); text-transform: none; }
.st-label.is-hot { background: var(--cream); color: var(--ink); }
.st-bubble {
  position: absolute; left: 0; top: 0; width: max-content; max-width: 230px; padding: 9px 12px 10px; border-radius: 12px;
  font-size: 12px; line-height: 1.4; color: var(--cream);
  background: rgba(20, 19, 18, 0.95); box-shadow: inset 0 0 0 1px var(--rule-2), 0 12px 32px rgba(0, 0, 0, 0.5);
  opacity: 0; scale: 0.94; transform-origin: 50% 100%;
  transition: opacity 0.3s var(--ease), scale 0.3s var(--ease);
}
.st-bubble.is-on { opacity: 1; scale: 1; }
.st-bubble::after { content: ""; position: absolute; left: 50%; bottom: -5px; width: 9px; height: 9px; background: inherit; transform: translateX(-50%) rotate(45deg); box-shadow: inset -1px -1px 0 var(--rule-2); }
.st-bubble b { display: block; margin-bottom: 3px; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--pig, var(--cream-2)); }
.st-bubble--team { max-width: 190px; background: var(--cream); color: var(--ink); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5); }
.st-bubble--team::after { box-shadow: none; }

.at-top {
  position: absolute; top: 24px; left: var(--gut); right: 24px; z-index: 3;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; pointer-events: none;
}
.at-top > * { pointer-events: auto; }
.at-cap h2 { margin: 0; font-family: var(--display); font-style: italic; font-weight: 300; font-stretch: 94%; font-size: 24px; color: var(--cream-2); }
.at-sub { margin: 4px 0 0; font-size: 12px; color: var(--cream-3); white-space: pre-wrap; }
.at-ctl { display: flex; align-items: center; gap: 12px; }
.at-clock { font-size: 13px; color: var(--cream-3); min-width: 4ch; text-align: right; }
.at-chapter { position: absolute; left: var(--gut); bottom: 36px; z-index: 3; max-width: min(720px, 72%); pointer-events: none; }
.at-index { display: flex; align-items: center; gap: 14px; margin: 0 0 14px; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-2); }
.at-index::after { content: ""; width: 56px; height: 1px; background: var(--cream-3); }
.at-step { margin: 0; overflow: clip; padding-bottom: 0.04em; }
.at-step span {
  display: block; font-family: var(--display); font-weight: 500; font-stretch: 94%;
  font-size: clamp(48px, 7vw, 96px); line-height: 0.92; letter-spacing: -0.025em; text-transform: uppercase;
}
.at-msg { margin: 16px 0 0; max-width: 46ch; font-size: 15px; line-height: 1.45; color: var(--cream-2); min-height: 1.45em; }
.at-note { position: absolute; left: var(--gut); top: 96px; z-index: 3; max-width: 460px; margin: 0; font-size: 13px; line-height: 1.5; color: var(--cream-3); }
.at-fail {
  position: absolute; inset: 0; z-index: 4; display: grid; place-content: center; justify-items: start; gap: 12px;
  padding: 24px; background: rgba(11, 10, 9, 0.86);
}
.at-fail h3 { margin: 0; font-family: var(--display); font-weight: 500; font-stretch: 94%; font-size: 40px; text-transform: uppercase; }
.at-fail p { margin: 0 0 8px; max-width: 52ch; font-size: 15px; line-height: 1.55; color: var(--cream-2); }

.at-side { min-height: 0; display: flex; flex-direction: column; border-left: 1px solid var(--rule); background: var(--ink); }
.at-side__h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 24px 22px 0; }
.at-side__h h3 { margin: 0; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.at-pills { display: flex; gap: 4px; }
.pill {
  display: inline-flex; align-items: baseline; gap: 6px; height: 26px; padding: 0 10px; border: 0; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--cream-3); font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  box-shadow: inset 0 0 0 1px var(--rule); transition: color 0.3s, background-color 0.3s, box-shadow 0.3s;
}
.pill span { line-height: 26px; }
.pill b { font-weight: 500; }
.pill b:empty { display: none; }
.pill:hover { color: var(--cream); }
.pill[aria-selected="true"] { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-3); }
.pill[data-state="chosen"] { background: var(--cream); color: var(--ink); box-shadow: none; }
.at-overall { display: flex; align-items: baseline; justify-content: space-between; margin: 20px 22px 0; padding-bottom: 16px; border-bottom: 1px solid var(--rule); }
.at-overall span { font-size: 12px; color: var(--cream-3); }
.at-overall b { font-family: var(--display); font-weight: 500; font-stretch: 94%; font-size: 44px; line-height: 0.9; letter-spacing: -0.02em; }
.at-voice {
  min-height: 74px; margin: 0; padding: 14px 22px; border-bottom: 1px solid var(--rule);
  font-size: 13px; line-height: 1.5; color: var(--cream-2);
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.at-voice b { display: block; margin-bottom: 3px; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream); }
.at-voice:empty::before { content: "Scores land here as each specialist reports."; color: var(--cream-4); }
.at-scores { flex: 1 1 auto; min-height: 0; overflow-y: auto; margin: 0; padding: 6px 0 16px; list-style: none; }
.sc { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; align-items: center; gap: 0 12px; padding: 8px 22px 10px; transition: background-color 0.3s; }
.sc .av { opacity: 0.5; transition: opacity 0.3s; }
.sc__n { font-size: 13px; color: var(--cream-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color 0.3s; }
.sc__v { font-size: 13px; font-weight: 600; color: var(--cream-4); }
.sc__b { grid-column: 2 / -1; display: block; height: 1px; margin-top: 7px; background: var(--rule); overflow: hidden; }
.sc__b b { display: block; height: 100%; background: var(--cream-2); transform: scaleX(0); transform-origin: left; transition: transform 0.7s var(--ease), background-color 0.3s; }
.sc[data-state="reading"] .sc__b { background: linear-gradient(90deg, var(--rule) 0 30%, rgba(var(--c-rgb), 0.35) 50%, var(--rule) 70% 100%) 0 0 / 300% 100%; animation: scan 1.6s linear infinite; }
@keyframes scan { from { background-position: 100% 0; } to { background-position: -50% 0; } }
.sc[data-state="done"] .av, .sc[data-state="low"] .av { opacity: 1; }
.sc[data-state="done"] .sc__n, .sc[data-state="low"] .sc__n { color: var(--cream-2); }
.sc[data-state="done"] .sc__v { color: var(--cream); }
.sc[data-state="low"] .sc__v { color: var(--brick); }
.sc[data-state="low"] .sc__b b { background: var(--brick); }
.sc.is-speaking { background: rgba(var(--c-rgb), 0.05); }
.sc.is-speaking .sc__n { color: var(--cream); }
.sc.is-speaking .sc__b b { background: var(--cream); }

.at-track { position: relative; height: 2px; background: var(--rule); overflow: hidden; }
.at-track i { position: absolute; inset: 0; background: var(--cream); transform: scaleX(0); transform-origin: left; }
.at-track i::after { content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 140px; background: linear-gradient(90deg, transparent, #fff); animation: glint 1.8s ease-in-out infinite; }
.at-main[data-done="1"] ~ .at-track i::after { animation: none; opacity: 0; }
@keyframes glint { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }

/* People: a discipline mark in its pigment. */
[data-pig="indigo"] { --pig: var(--indigo); }
[data-pig="hingula"] { --pig: var(--hingula); }
[data-pig="ochre"] { --pig: var(--ochre); }
[data-pig="orpiment"] { --pig: var(--orpiment); }
[data-pig="gold"] { --pig: var(--cream); }
[data-pig="chalk"] { --pig: var(--cream-3); }
.av {
  --pig: var(--cream-3);
  display: inline-grid; place-items: center; flex: 0 0 auto;
  width: var(--av, 28px); height: var(--av, 28px); border-radius: 50%;
  color: var(--pig); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--pig) 45%, transparent);
}
.gl { width: 58%; height: 58%; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }

/* ═══ THE REVIEW ════════════════════════════════════════════════════════ */

.review { position: fixed; inset: var(--bar-h) 0 0 0; grid-template-columns: minmax(0, 1fr) 360px; }
.stage { min-width: 0; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.subnav { flex: 0 0 auto; display: flex; gap: 22px; padding: 16px var(--gut) 0; border-bottom: 1px solid var(--rule); }
.subnav button, .sheet-groups button, .sheet-tabs button {
  position: relative; padding: 0 0 14px; border: 0; background: none; cursor: pointer;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3);
  transition: color 0.3s;
}
.subnav button::after, .sheet-groups button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--cream); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease); }
.subnav button:hover, .sheet-groups button:hover, .sheet-tabs button:hover { color: var(--cream); }
.subnav button[aria-selected="true"], .sheet-groups button[aria-selected="true"] { color: var(--cream); }
.subnav button[aria-selected="true"]::after, .sheet-groups button[aria-selected="true"]::after { transform: scaleX(1); }
.pane { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.pane__bar { flex: 0 0 auto; display: flex; align-items: flex-end; flex-wrap: wrap; gap: 8px 28px; padding: 16px var(--gut) 0; border-bottom: 1px solid var(--rule); }
.sheet-groups { display: flex; gap: 22px; }
.sheet-tabs { display: flex; gap: 6px; padding-bottom: 8px; }
.sheet-tabs button { padding: 5px 11px; border-radius: 999px; font-size: 11px; letter-spacing: 0.1em; box-shadow: inset 0 0 0 1px var(--rule); }
.sheet-tabs button[aria-selected="true"] { background: var(--cream); color: var(--ink); box-shadow: none; }
.pane__tools { margin-left: auto; display: flex; gap: 2px; padding-bottom: 6px; }
.pane__tools .btn--quiet, .pane__tools .ghost-btn { height: 30px; padding: 0 10px; font-size: 11px; box-shadow: none; color: var(--cream-3); }
.pane__tools .ghost-btn:hover, .pane__tools .btn--quiet:hover { color: var(--cream); }
.model-hint { font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-4); padding-bottom: 14px; }

.plate {
  position: relative; flex: 1 1 auto; min-height: 0; overflow: auto; display: grid; place-items: center; padding: 28px var(--gut);
}
body[data-phase="review"] .plate { view-transition-name: sheet; }
.plate svg { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.55)); }
.plate { overflow: hidden; touch-action: pan-y; cursor: grab; }
.plate.is-zoomed { touch-action: none; }
.plate.is-panning { cursor: grabbing; }
.plate svg, .plate img { transform-origin: 50% 50%; will-change: transform; user-select: none; -webkit-user-drag: none; }
.zoom-step { width: 30px; padding: 0; font-size: 16px; letter-spacing: 0; }
#zoom-val { min-width: 52px; }
.plate .plate__ghost { width: 100%; height: 100%; object-fit: contain; }
.plate__caption { flex: 0 0 auto; margin: 0; padding: 12px var(--gut); border-top: 1px solid var(--rule); font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }

.side { min-width: 0; min-height: 0; overflow-y: auto; border-left: 1px solid var(--rule); }
.side__verdict { padding: 28px 24px 22px; }
.side__name { margin: 0; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-2); }
.side__score { display: flex; align-items: flex-end; gap: 14px; margin: 14px 0 18px; }
.side__score b { font-family: var(--display); font-weight: 500; font-stretch: 94%; font-size: 84px; line-height: 0.82; letter-spacing: -0.035em; }
.side__score small { max-width: 12ch; font-size: 12px; line-height: 1.35; color: var(--cream-3); }
.pick__why { margin: 0 0 14px; font-size: 13.5px; line-height: 1.55; color: var(--cream-2); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.stats { display: grid; grid-template-columns: 1fr 1fr; margin: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.stats div { min-width: 0; padding: 16px 24px 18px; }
.stats div:nth-child(odd) { border-right: 1px solid var(--rule); }
.stats div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
.stats dt { font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.stats dd { margin: 6px 0 2px; font-size: 22px; font-weight: 500; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stats small { display: block; font-size: 11.5px; color: var(--cream-4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side__h { margin: 0; padding: 26px 24px 8px; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.critics { list-style: none; margin: 0; padding: 0; }
.tm { border-top: 1px solid var(--rule); }
.tm__head {
  width: 100%; display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 12px; align-items: center;
  padding: 13px 24px 2px; border: 0; background: none; text-align: left; cursor: pointer;
}
.tm__head:hover .tm__who b { text-decoration: underline; text-decoration-color: var(--cream-4); text-underline-offset: 4px; }
.tm__who { min-width: 0; }
.tm__who b { display: block; font-size: 13px; font-weight: 600; }
.tm__who small { display: block; font-size: 11.5px; color: var(--cream-4); }
.tm__sc { font-size: 14px; font-weight: 600; }
.tm[data-low="1"] .tm__sc { color: var(--brick); }
.tm__line { margin: 4px 24px 0 62px; font-size: 12.5px; line-height: 1.5; color: var(--cream-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tm__line:empty { display: none; }
.tm.is-open .tm__line { -webkit-line-clamp: unset; display: block; }
.tm__bar { display: block; height: 1px; margin: 10px 24px 13px 62px; background: var(--rule); overflow: hidden; }
.tm__bar i { display: block; height: 100%; background: var(--cream-2); transform: scaleX(0); transform-origin: left; transition: transform 0.8s var(--ease); }
.tm[data-low="1"] .tm__bar i { background: var(--brick); }
.tm__more { margin: -4px 24px 16px 62px; font-size: 12.5px; line-height: 1.6; color: var(--cream-3); }
.tm__more p { margin: 0 0 8px; }
.tm__finding { color: var(--cream-2); }
.tm__fix { color: var(--cream-2); }
.tm__fix::before { content: "Suggests "; font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream); }
.sev { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; box-shadow: inset 0 0 0 1px var(--rule-2); color: var(--cream-2); }
.sev[data-sev="critical"], .sev[data-sev="major"] { color: var(--brick); box-shadow: inset 0 0 0 1px var(--brick); }
.side__brief { border-top: 1px solid var(--rule); }
.side__brief summary { display: flex; justify-content: space-between; padding: 18px 24px; cursor: pointer; list-style: none; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-2); }
.side__brief summary::-webkit-details-marker { display: none; }
.side__brief summary::after { content: "+"; color: var(--cream-3); }
.side__brief[open] summary::after { content: "−"; }
.kv { margin: 0; padding: 0 24px 20px; font-size: 13px; }
.kv div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--rule); }
.kv dt { color: var(--cream-3); }
.kv dd { margin: 0; text-align: right; color: var(--cream); }

/* ── what the panes are made of ──────────────────────────────────────── */

.pane__scroll { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 36px var(--gut) 72px; }
.pane__scroll > * { max-width: 1040px; }
h3.sec, .pane-h {
  margin: 56px 0 16px; font-family: var(--display); font-weight: 500; font-stretch: 94%;
  font-size: 30px; line-height: 1; letter-spacing: -0.01em; text-transform: uppercase;
}
h3.sec:first-child, .pane-h:first-child { margin-top: 0; }
.lede { margin: 0 0 28px; max-width: 64ch; font-size: 15px; line-height: 1.6; color: var(--cream-2); }
.empty-note { padding: 48px 0; text-align: center; font-size: 13px; color: var(--cream-3); }
.note-card { margin: 20px 0; padding-left: 18px; max-width: 72ch; font-size: 14px; line-height: 1.7; color: var(--cream-2); box-shadow: inset 1px 0 0 var(--cream-3); }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin: 0 0 32px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.stat { margin: 0; padding: 18px 20px 20px 0; }
.stat + .stat { padding-left: 20px; border-left: 1px solid var(--rule); }
.stat dt { font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.stat dd { margin: 8px 0 4px; font-family: var(--display); font-weight: 500; font-stretch: 94%; font-size: 34px; line-height: 1; letter-spacing: -0.02em; }
.stat small { font-size: 12px; color: var(--cream-3); }

table.led { width: 100%; border-collapse: collapse; font-size: 13px; }
table.led th { padding: 0 16px 10px 0; text-align: left; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); border-bottom: 1px solid var(--rule-2); }
table.led td { padding: 11px 16px 11px 0; border-bottom: 1px solid var(--rule); color: var(--cream-2); }
table.led td.n, table.led th.n { text-align: right; padding-right: 0; color: var(--cream); }
table.led tbody tr:hover td { background: rgba(var(--c-rgb), 0.025); }
table.led tfoot td { padding-top: 14px; font-weight: 600; color: var(--cream); border-bottom: 0; }

.find { display: grid; grid-template-columns: 8px minmax(0, 1fr); gap: 5px 16px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.find__s { grid-row: 1 / span 4; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--cream-3); }
.find[data-sev="critical"] .find__s, .find[data-sev="major"] .find__s { background: var(--brick); box-shadow: none; }
.find[data-sev="moderate"] .find__s { background: var(--ochre); box-shadow: none; }
.find[data-sev="minor"] .find__s { background: var(--cream-3); box-shadow: none; }
.find__t { font-size: 14.5px; line-height: 1.55; color: var(--cream); }
.find__m { font-size: 11.5px; color: var(--cream-3); }
.find__r { font-size: 13.5px; line-height: 1.6; color: var(--cream-2); }
.find__c { font-size: 11.5px; font-style: italic; color: var(--cream-4); }

.bar-line { display: grid; grid-template-columns: minmax(120px, 16rem) minmax(0, 1fr) 7rem; gap: 16px; align-items: center; padding: 7px 0; font-size: 13px; }
.bar-line__l { color: var(--cream-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-line__t { height: 2px; background: var(--rule); overflow: hidden; }
.bar-line__t i { display: block; height: 100%; background: var(--cream-2); transform: scaleX(0); transform-origin: left; transition: transform 0.9s var(--ease); }
.bar-line__v { text-align: right; color: var(--cream); }

.chips { display: flex; flex-wrap: wrap; gap: 3px; margin: 0 0 24px; }
.chip-sw { flex: 1 1 100px; min-width: 100px; height: 72px; display: flex; align-items: flex-end; padding: 8px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #15120e; }

.legend { display: flex; flex-direction: column; gap: 8px; margin: 0 0 22px; }
.legend div { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--cream-2); }
.legend i { width: 10px; height: 10px; border-radius: 2px; flex: 0 0 auto; }
.brahma { margin: 0 0 20px; padding: 14px 16px; border-radius: 10px; font-size: 13px; line-height: 1.6; color: var(--cream-2); box-shadow: inset 0 0 0 1px var(--rule-2); }
.brahma[data-tone="breach"] { color: var(--brick); box-shadow: inset 0 0 0 1px var(--brick); }
.brahma[data-tone="clear"] { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-3); }
.mandala-review { flex: 1 1 auto; min-height: 0; overflow-y: auto; display: grid; grid-template-columns: auto minmax(260px, 1fr); gap: 48px; align-items: start; padding: 36px var(--gut) 64px; }
.mandala-shell { position: relative; width: min(56vh, 520px); aspect-ratio: 1; }
.mandala { width: 100%; height: 100%; display: block; }
.rose-l { position: absolute; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; color: var(--cream-3); }
.rose-l--n { top: -22px; left: 50%; transform: translateX(-50%); }
.rose-l--s { bottom: -22px; left: 50%; transform: translateX(-50%); }
.rose-l--e { right: -20px; top: 50%; transform: translateY(-50%); }
.rose-l--w { left: -22px; top: 50%; transform: translateY(-50%); }
.mandala-side { min-width: 0; }

.fld { display: grid; gap: 10px; margin: 0 0 20px; max-width: 520px; font-size: 13px; color: var(--cream-2); }
input[type="range"].stance { -webkit-appearance: none; appearance: none; width: 100%; height: 24px; background: transparent; cursor: pointer; }
input[type="range"].stance::-webkit-slider-runnable-track { height: 1px; background: var(--cream-3); }
input[type="range"].stance::-moz-range-track { height: 1px; background: var(--cream-3); }
input[type="range"].stance::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -7.5px; border-radius: 50%; background: var(--cream); }
input[type="range"].stance::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--cream); }

.round { padding: 22px 0; border-top: 1px solid var(--rule); }
.round__h { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.round__n { font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream); }
.round__d, .round__hard { padding: 3px 10px; border-radius: 999px; font-size: 12px; color: var(--cream-2); box-shadow: inset 0 0 0 1px var(--rule-2); }
.round__d[data-dir="up"] { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-3); }
.round__hard { color: var(--brick); box-shadow: inset 0 0 0 1px var(--brick); }
.round__lab { margin: 16px 0 8px; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.round__open { list-style: none; margin: 0; padding: 0; }
.round__open li { display: grid; grid-template-columns: minmax(140px, auto) minmax(0, 1fr) auto; gap: 4px 16px; align-items: baseline; padding: 9px 0 9px 14px; font-size: 13px; color: var(--cream-2); box-shadow: inset 1px 0 0 var(--cream-4); }
.round__open li[data-sev="hard"] { box-shadow: inset 1px 0 0 var(--brick); }
.round__open li b { font-size: 12.5px; font-weight: 600; color: var(--cream); }
.round__open li em { font-style: normal; font-size: 11.5px; color: var(--cream-3); }
.round__note { margin: 12px 0 0; padding-left: 14px; max-width: 76ch; font-size: 13px; line-height: 1.65; color: var(--cream-2); box-shadow: inset 1px 0 0 var(--cream-3); }
.mut { display: grid; grid-template-columns: 150px minmax(0, 1fr) auto auto auto; gap: 10px 16px; align-items: baseline; padding: 11px 0; border-top: 1px solid var(--rule); font-size: 13px; }
.mut__w { font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); }
.mut__c { color: var(--cream); }
.mut__f { font-size: 11.5px; color: var(--cream-3); }
.mut__d { font-size: 12.5px; color: var(--cream-2); }
.mut__v { padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; box-shadow: inset 0 0 0 1px var(--rule-2); color: var(--cream-3); }
.mut[data-ok="y"] .mut__v { color: var(--cream); box-shadow: inset 0 0 0 1px var(--cream-3); }
.mut[data-ok="n"] { opacity: 0.55; }

.deriv { margin-bottom: 12px; padding: 14px 0 14px 18px; box-shadow: inset 1px 0 0 var(--rule-2); }
.deriv[data-v="ideal"] { box-shadow: inset 1px 0 0 var(--cream); }
.deriv[data-v="acceptable"] { box-shadow: inset 1px 0 0 var(--indigo); }
.deriv[data-v="discouraged"] { box-shadow: inset 1px 0 0 var(--ochre); }
.deriv[data-v="prohibited"] { box-shadow: inset 1px 0 0 var(--brick); }
.deriv__h { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.deriv__h b { font-size: 14.5px; font-weight: 600; }
.deriv__dir { font-size: 12px; color: var(--cream-3); }
.deriv__sc { margin-left: auto; font-size: 13px; color: var(--cream-2); }
.deriv__tag { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cream-3); box-shadow: inset 0 0 0 1px var(--rule-2); }
.chain { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 6px 0; font-size: 12.5px; line-height: 1.9; }
.chain__n { padding: 2px 10px; border-radius: 999px; background: var(--coal); color: var(--cream); box-shadow: inset 0 0 0 1px var(--rule); }
.chain__e { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cream-3); }
.chain__e::before { content: "→ "; }
.chain__e::after { content: " →"; }
.chain[data-k="objects"] .chain__e { color: var(--brick); }
.chain[data-k="supports"] .chain__e { color: var(--cream); }
.deriv__x, .deriv__alt, .deriv__cite, .deriv__warn { margin: 6px 0 0; max-width: 76ch; font-size: 12.5px; line-height: 1.65; }
.deriv__x { color: var(--cream-3); }
.deriv__alt { color: var(--cream-2); }
.deriv__cite { font-size: 11.5px; font-style: italic; color: var(--cream-4); }
.deriv__warn { color: var(--ochre); }
.route { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 4px 16px; align-items: baseline; margin-bottom: 4px; padding: 10px 0 10px 14px; font-size: 13px; box-shadow: inset 1px 0 0 var(--cream-3); }
.route[data-ok="n"] { box-shadow: inset 1px 0 0 var(--brick); }
.route__room { font-weight: 600; }
.route__path { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; color: var(--cream-2); }
.route__arrow { font-style: normal; color: var(--cream-4); }
.route__why { grid-column: 2; font-size: 12px; color: var(--brick); }

/* the 3D tab */
.model-stage { position: relative; flex: 1 1 auto; min-height: 0; background: var(--ink); }
.v3-canvas { display: block; width: 100%; height: 100%; cursor: grab; }
.v3-canvas:active { cursor: grabbing; }
.model-cap { position: absolute; left: var(--gut); bottom: 18px; margin: 0; pointer-events: none; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.model-say { position: absolute; left: 50%; bottom: 52px; transform: translateX(-50%); width: min(640px, calc(100% - 48px)); margin: 0; text-align: center; pointer-events: none; font-family: var(--display); font-style: italic; font-weight: 300; font-stretch: 94%; font-size: 22px; line-height: 1.35; text-shadow: 0 2px 18px rgba(0, 0, 0, 0.9); }

/* ── overlays ────────────────────────────────────────────────────────── */

.sheetover { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 5vh 4vw; background: rgba(11, 10, 9, 0.82); backdrop-filter: blur(6px); animation: fade 0.3s var(--ease) both; }
@keyframes fade { from { opacity: 0; } }
.sheetover__panel { width: min(760px, 100%); max-height: 86vh; display: flex; flex-direction: column; border-radius: 16px; background: var(--coal); box-shadow: inset 0 0 0 1px var(--rule-2), 0 40px 100px rgba(0, 0, 0, 0.6); animation: lift 0.5s var(--ease) both; }
@keyframes lift { from { transform: translateY(18px); opacity: 0; } }
.sheetover__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 28px; border-bottom: 1px solid var(--rule); }
.sheetover__bar h2 { margin: 0; font-family: var(--display); font-weight: 500; font-stretch: 94%; font-size: 30px; line-height: 1; text-transform: uppercase; }
.sheetover__body { overflow-y: auto; padding: 26px 28px 32px; }
.sheetover__body p { margin: 0 0 16px; max-width: 66ch; font-size: 15px; line-height: 1.75; color: var(--cream-2); }
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 95; transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px; max-width: min(92vw, 64ch); padding: 14px 20px; border-radius: 999px;
  font-size: 13px; background: var(--soot); color: var(--cream); box-shadow: inset 0 0 0 1px var(--rule-2), 0 18px 40px rgba(0, 0, 0, 0.55);
  animation: lift 0.4s var(--ease) both;
}
.toast::before { content: ""; width: 6px; height: 6px; flex: 0 0 auto; border-radius: 50%; background: var(--brick); }

/* ── transitions between phases ──────────────────────────────────────── */

::view-transition-old(root) { animation: vt-out 0.28s cubic-bezier(0.4, 0, 1, 1) both; }
::view-transition-new(root) { animation: vt-in 0.6s var(--ease) both; }
::view-transition-group(sheet) { animation-duration: 0.8s; animation-timing-function: cubic-bezier(0.2, 0.75, 0.2, 1); }
::view-transition-old(sheet), ::view-transition-new(sheet) { height: 100%; object-fit: contain; }
::view-transition-group(bar) { animation-duration: 0.4s; }
@keyframes vt-out { to { opacity: 0; transform: scale(0.99); filter: blur(4px); } }
@keyframes vt-in { from { opacity: 0; transform: scale(1.01); filter: blur(6px); } }

/* The brief arrives once: headline lines rise into their lines. */
@media (prefers-reduced-motion: no-preference) {
  body[data-phase="compose"] .headline > span { animation: rise 1s var(--ease) both; }
  body[data-phase="compose"] .headline > span:nth-child(2) { animation-delay: 0.08s; }
  body[data-phase="compose"] .headline > span:nth-child(3) { animation-delay: 0.16s; }
  body[data-phase="compose"] .headline > span:nth-child(4) { animation-delay: 0.24s; }
  body[data-phase="compose"] .plotfig { animation: draw-in 1.4s var(--ease) 0.3s both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(40%); clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 -10% 0); } }
@keyframes draw-in { from { opacity: 0; transform: translateY(12px); } }

/* ── smaller screens ─────────────────────────────────────────────────── */

@media (max-width: 1180px) {
  .review { grid-template-columns: minmax(0, 1fr) 320px; }
  .views .view-tab { padding: 0 8px; }
  .bar { gap: 14px; }
}
@media (max-width: 980px) {
  .compose { grid-template-columns: minmax(0, 1fr); }
  .compose__title { position: relative; height: auto; border-right: 0; border-bottom: 1px solid var(--rule); padding-bottom: 24px; }
  .plotfig svg { max-height: 300px; }
  .compose__sheet { padding-top: 32px; }
  .spec { max-width: none; }
  .at-main { grid-template-columns: minmax(0, 1fr) 280px; }
  body[data-phase="review"] { overflow: auto; height: auto; }
  .review { position: static; display: block; padding-top: var(--bar-h); }
  body[data-phase="review"] .review { display: block; }
  .stage { height: 78svh; }
  .side { border-left: 0; border-top: 1px solid var(--rule); overflow: visible; }
  .bar { grid-template-columns: auto minmax(0, 1fr) auto; height: auto; min-height: var(--bar-h); padding-top: 10px; padding-bottom: 10px; row-gap: 6px; }
  body[data-phase="review"] .bar { position: sticky; }
  .views { grid-column: 1 / -1; order: 4; overflow-x: auto; justify-content: flex-start; }
  .bar__mid { justify-content: flex-start; overflow-x: auto; }
}
@media (max-width: 760px) {
  :root { --bar-h: 56px; }
  .bar { background: var(--ink); box-shadow: inset 0 -1px 0 var(--rule); }
  .go { background: var(--ink); gap: 12px; padding: 14px 0 18px; margin-top: 40px; }
  .go__fine { display: none; }
  .btn--go { height: 52px; }
  .seg { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); width: 100%; border-radius: 14px; }
  .seg span { padding: 9px 2px; border-radius: 11px; text-align: center; font-size: 11.5px; }
  .engine span { display: none; }
  .row { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .num input { font-size: 22px; }
  .go { grid-template-columns: minmax(0, 1fr); }
  .btn--go { width: 100%; }
  body[data-phase="running"] { overflow: auto; height: auto; }
  .running { position: static; padding-top: var(--bar-h); }
  .atelier { height: auto; }
  .at-main { grid-template-columns: minmax(0, 1fr); }
  .at-stage { height: 64svh; }
  .at-side { border-left: 0; border-top: 1px solid var(--rule); }
  .at-scores { overflow: visible; }
  .at-chapter { max-width: calc(100% - 32px); bottom: 24px; }
  .at-top { flex-wrap: wrap; }
  .at-cap h2 { font-size: 20px; }
  .mandala-review { grid-template-columns: minmax(0, 1fr); }
  .mandala-shell { width: min(80vw, 420px); }
  .bar-line { grid-template-columns: minmax(0, 1fr) 5rem; }
  .bar-line__t { grid-column: 1 / -1; grid-row: 2; }
  .mut { grid-template-columns: minmax(0, 1fr) auto; }
  .round__open li { grid-template-columns: minmax(0, 1fr); }
  .route { grid-template-columns: minmax(0, 1fr); }
  .route__why { grid-column: 1; }
  .pane__tools { margin-left: 0; }
  .side__score b { font-size: 68px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .grain { display: none; }
}

/* ── air ──────────────────────────────────────────────────────────── */
.pane[data-view="air"] { position: relative; }
.air-stage { overflow: hidden; }
.air-canvas { position: absolute; inset: 0; display: block; }
.air-canvas--base, .air-canvas--trail { pointer-events: none; }
.air-canvas--over { cursor: crosshair; }
.air-rose { display: flex; align-items: center; gap: 2px; padding-bottom: 6px; }
.air-rose__label { margin-right: 8px; font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.air-rose button { min-width: 34px; height: 30px; padding: 0 8px; border: 1px solid var(--rule); background: transparent; color: var(--cream-3); font: 600 11px/1 var(--ui); letter-spacing: 0.06em; cursor: pointer; transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease); }
.air-rose button:hover { color: var(--cream); border-color: var(--rule-2); }
.air-rose button[aria-checked="true"] { color: var(--ink); background: var(--cream); border-color: var(--cream); }
.air-tip { position: absolute; z-index: 2; display: grid; gap: 3px; min-width: 190px; padding: 10px 12px; background: rgba(11, 10, 9, 0.92); border: 1px solid var(--rule-2); font-size: 11px; color: var(--cream-2); pointer-events: none; }
.air-tip b { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cream); }
.air-tip__here { color: var(--cream-3); }
.air-rank { position: absolute; right: var(--gut); bottom: 52px; z-index: 2; display: grid; gap: 4px; width: min(280px, calc(100% - 32px)); padding: 12px 14px; background: rgba(11, 10, 9, 0.9); border: 1px solid var(--rule-2); }
.air-rank__title { margin-bottom: 4px; font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.air-rank__row { display: grid; grid-template-columns: 30px 1fr 30px; align-items: center; gap: 8px; padding: 2px 0; border: 0; background: none; color: var(--cream-2); font: 600 11px/1.4 var(--ui); cursor: pointer; text-align: left; }
.air-rank__row:hover { color: var(--cream); }
.air-rank__bar { height: 4px; background: linear-gradient(90deg, var(--cream) calc(var(--f) * 100%), var(--rule) 0); }
.air-rank__n { text-align: right; color: var(--cream-3); }
@media (max-width: 720px) { .air-rose__label { display: none; } .air-rose button { min-width: 30px; padding: 0 5px; } }

/* ── 3D palette card ──────────────────────────────────────────────── */
.pal { position: absolute; left: var(--gut); top: 16px; z-index: 2; display: grid; gap: 10px; width: min(340px, calc(100% - 32px)); padding: 14px 16px; background: rgba(11, 10, 9, 0.88); border: 1px solid var(--rule-2); backdrop-filter: blur(6px); transition: opacity .3s var(--ease); }
.pal.is-busy { opacity: 0.6; pointer-events: none; }
.pal.is-min { width: auto; padding: 6px 6px 6px 12px; gap: 0; }
.pal__head { display: flex; align-items: center; gap: 10px; }
.pal__toggle { display: grid; grid-template-columns: auto auto; align-items: center; gap: 1px 10px; flex: 1; min-width: 0; padding: 0; border: 0; background: none; color: inherit; text-align: left; cursor: pointer; }
.pal__k { grid-column: 1; font-size: 9px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.pal__name { grid-column: 1; font-family: var(--display); font-size: 14px; font-weight: 600; color: var(--cream); white-space: nowrap; }
.pal__strip { grid-column: 2; grid-row: 1 / span 2; display: flex; }
.pal__strip i { width: 12px; height: 22px; }
.pal__strip i:first-child { border-radius: 2px 0 0 2px; } .pal__strip i:last-child { border-radius: 0 2px 2px 0; }
.pal__toggle:hover .pal__name { text-decoration: underline; text-underline-offset: 3px; }
.pal__nav { display: flex; gap: 2px; }
.pal__nav .ghost-btn { width: 30px; height: 30px; padding: 0; font-size: 14px; }
.pal__story { margin: 0; font-size: 12px; line-height: 1.45; color: var(--cream-2); }
.pal__row { display: grid; grid-template-columns: 64px 1fr; align-items: center; gap: 8px; }
.pal__rk { font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); }
.pal__sws { display: flex; gap: 3px; flex-wrap: wrap; }
.pal__sw { width: 22px; height: 22px; border: 1px solid rgba(var(--c-rgb), 0.18); }
.pal__why, .pal__heard { margin: 0; font-size: 11px; line-height: 1.45; color: var(--cream-3); }
.pal__form { display: flex; gap: 4px; }
.pal__input { flex: 1; min-width: 0; height: 32px; padding: 0 10px; background: transparent; border: 1px solid var(--rule-2); color: var(--cream); font: 500 12px var(--ui); }
.pal__input:focus { outline: none; border-color: var(--cream-3); }
.pal__form .ghost-btn { height: 32px; padding: 0 12px; font-size: 11px; }
@media (max-width: 720px) { .pal { top: auto; bottom: 48px; } .pal__story, .pal__why { display: none; } }

/* ── 3D Vastu labels ─────────────────────────────────────────────── */
.v3-zone, .v3-chip { position: absolute; left: 0; top: 0; z-index: 2; display: grid; justify-items: center; gap: 1px; white-space: nowrap; pointer-events: none; transition: opacity .2s var(--ease); }
.v3-zone b { font: 800 15px/1 var(--display); color: var(--cream); letter-spacing: 0.04em; }
.v3-zone span { font-size: 9px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); }
.v3-zone--c b { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: #1c1a17; }
.v3-zone--c span { color: rgba(28, 26, 23, 0.7); }
.v3-chip { padding: 4px 8px; background: rgba(11, 10, 9, 0.88); border: 1px solid var(--rule-2); border-left: 3px solid #c9a13e; font-size: 10px; line-height: 1.3; color: var(--cream-2); pointer-events: auto; cursor: help; justify-items: start; }
.v3-chip b { font-size: 11px; color: var(--cream); letter-spacing: 0.04em; }
.v3-chip--ideal { border-left-color: #6f9a55; }
.v3-chip--avoid { border-left-color: #c4553f; }

/* ── drawings from the model ──────────────────────────────────────── */
.plate3d { position: absolute; inset: 0; background: var(--ink); }
.plate3d__tools { position: absolute; right: 16px; top: 12px; z-index: 3; display: flex; gap: 14px; padding: 8px 12px; background: rgba(11, 10, 9, 0.85); border: 1px solid var(--rule-2); }
.plate3d__ctl { display: flex; align-items: center; gap: 8px; font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); }
.plate3d__ctl input { width: 120px; accent-color: var(--cream); }
.plate3d__ctl b { min-width: 38px; font: 600 11px var(--ui); color: var(--cream); letter-spacing: 0; }
.v3-datum { position: absolute; left: 0; top: 0; z-index: 2; display: flex; align-items: baseline; gap: 6px; padding: 2px 6px; border-top: 1px dashed rgba(var(--c-rgb), 0.45); font-size: 10px; color: var(--cream-3); pointer-events: none; white-space: nowrap; }
.v3-datum b { font-size: 9px; letter-spacing: 0.14em; color: var(--cream-2); }
.pal__design { margin-top: 4px; padding-top: 6px; border-top: 1px solid var(--rule); }
.pal.is-min { grid-auto-flow: row; }

/* ── revise in words ─────────────────────────────────────────────── */
.revise { display: grid; grid-template-columns: 1fr auto; gap: 6px; margin: 0 0 14px; }
.revise__k { grid-column: 1 / -1; font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.revise__in { min-width: 0; height: 34px; padding: 0 10px; background: transparent; border: 1px solid var(--rule-2); color: var(--cream); font: 500 12px var(--ui); }
.revise__in:focus { outline: none; border-color: var(--cream-3); }
.revise .ghost-btn { height: 34px; padding: 0 12px; font-size: 11px; }
.revise__said { grid-column: 1 / -1; margin: 0; min-height: 1em; font-size: 11px; color: var(--cream-3); }

/* ── fast-forward ─────────────────────────────────────────────────── */
.at-ff { position: absolute; right: var(--gut); bottom: 28px; z-index: 5; display: flex; align-items: center; gap: 10px; height: 52px; padding: 0 18px 0 8px; border: 1px solid var(--rule-2); border-radius: 999px; background: rgba(11, 10, 9, 0.82); color: var(--cream); cursor: pointer; backdrop-filter: blur(6px); animation: ff-in .5s var(--ease) both; transition: transform .25s var(--ease), border-color .25s var(--ease); }
.at-ff:hover { transform: translateY(-2px); border-color: var(--cream-3); }
.at-ff svg { position: relative; width: 36px; height: 36px; padding: 8px; fill: var(--cream); }
.at-ff__ring { position: absolute; left: 8px; top: 8px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--cream-3); animation: ff-ring 1.8s var(--ease) infinite; }
.at-ff__a, .at-ff__b { animation: ff-chev 1.2s var(--ease) infinite; }
.at-ff__b { animation-delay: .15s; }
.at-ff__k { font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; }
.at-ff.is-going svg .at-ff__a, .at-ff.is-going svg .at-ff__b { animation-duration: .35s; }
.at-ff.is-going { border-color: var(--cream); }
@keyframes ff-in { from { opacity: 0; transform: translateY(12px) scale(.96); } }
@keyframes ff-ring { 0% { transform: scale(.9); opacity: .7; } 70%, 100% { transform: scale(1.5); opacity: 0; } }
@keyframes ff-chev { 0%, 100% { opacity: .35; transform: translateX(0); } 50% { opacity: 1; transform: translateX(2px); } }
@media (prefers-reduced-motion: reduce) { .at-ff, .at-ff * { animation: none !important; } }

/* ═══ HOME: the conversation ═══════════════════════════════════════════ */
.compose { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); }
.chat {
  position: relative; height: 100svh; min-width: 0;
  display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: 14px;
  padding: calc(var(--bar-h) + clamp(20px, 4vh, 48px)) var(--gut) 28px;
}
.chat__head { display: flex; align-items: center; gap: 6px; border-bottom: 1px solid var(--rule); padding-bottom: 12px; }
.chat__k { margin-right: auto; font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.chat__manual { padding: 6px 10px; border: 1px solid var(--rule); border-radius: 999px; background: none; color: var(--cream-3); font: 600 11px/1 var(--ui); cursor: pointer; transition: color .2s var(--ease), border-color .2s var(--ease); }
.chat__manual:hover { color: var(--cream); border-color: var(--rule-2); }
.chat__log { overflow-y: auto; display: flex; flex-direction: column; gap: 14px; padding: 4px 2px 8px; scroll-behavior: smooth; overscroll-behavior: contain; }
.msg { max-width: 88%; animation: msg-in .35s var(--ease) both; }
.msg--you { align-self: flex-end; padding: 10px 14px; border-radius: 16px 16px 4px 16px; background: rgba(var(--c-rgb), 0.09); }
.msg--studio { align-self: flex-start; }
.msg__who { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 4px; font-size: 10px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ochre); }
.msg__who::before { content: ""; width: 14px; height: 14px; background: url("logo-arch.svg") center / contain no-repeat; }
.msg__body { margin: 0; font-size: 15px; line-height: 1.55; color: var(--cream); white-space: pre-wrap; }
.msg--you .msg__body { font-size: 14px; color: var(--cream-2); }
.msg__chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.msg__chips .chip, .msg__go .chip { padding: 8px 12px; border: 1px solid var(--rule-2); border-radius: 999px; background: transparent; color: var(--cream-2); font: 500 12.5px/1.3 var(--ui); text-align: left; cursor: pointer; transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease); }
.msg__chips .chip:hover, .msg__go .chip:hover { background: rgba(var(--c-rgb), 0.08); color: var(--cream); transform: translateY(-1px); }
.msg__go { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.msg--thinking .dots { display: inline-flex; gap: 4px; padding: 10px 0; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--cream-3); animation: dot 1s var(--ease) infinite; }
.dots i:nth-child(2) { animation-delay: .15s; } .dots i:nth-child(3) { animation-delay: .3s; }
.chat__form { position: relative; display: flex; align-items: flex-end; gap: 8px; padding: 10px 10px 10px 16px; border: 1px solid var(--rule-2); border-radius: 18px; background: rgba(var(--c-rgb), 0.03); transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.chat__form:focus-within { border-color: var(--cream-3); box-shadow: 0 0 0 4px rgba(var(--c-rgb), 0.05); }
.chat__in { flex: 1; min-height: 24px; max-height: 160px; resize: none; border: 0; background: transparent; color: var(--cream); font: 400 15px/1.5 var(--ui); outline: none; padding: 6px 0; }
.chat__in::placeholder { color: var(--cream-3); }
.chat__send { flex: none; width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--cream); color: var(--ink); cursor: pointer; transition: transform .2s var(--ease), opacity .2s; }
.chat__send svg { width: 18px; height: 18px; }
.chat__send:hover { transform: translateX(2px); }
.chat__send:disabled { opacity: .4; }
@keyframes msg-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes dot { 0%, 100% { opacity: .25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-3px); } }

/* The sheet, as a drawer over the page */
.compose__sheet { position: fixed; top: 0; right: 0; bottom: 0; z-index: 30; width: min(620px, 100%); overflow-y: auto; background: var(--ink); border-left: 1px solid var(--rule-2); box-shadow: -40px 0 80px rgba(0, 0, 0, 0.5); transform: translateX(104%); transition: transform .5s var(--ease); padding-top: calc(var(--bar-h) + 24px); }
body[data-manual="1"] .compose__sheet { transform: none; }
.sheet__close { position: absolute; top: calc(var(--bar-h) + 10px); right: var(--gut); width: 34px; height: 34px; border: 1px solid var(--rule-2); border-radius: 50%; background: none; color: var(--cream-2); font-size: 20px; line-height: 1; cursor: pointer; }
.sheet__close:hover { color: var(--cream); }

/* How it works */
.explain { grid-column: 1 / -1; padding: clamp(48px, 9vh, 110px) var(--gut) 80px; border-top: 1px solid var(--rule); }
.explain__h { max-width: 18ch; margin: 0 0 40px; font: 500 clamp(30px, 3.6vw, 54px)/1 var(--display); letter-spacing: -0.02em; text-transform: uppercase; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; }
.step-card { position: relative; display: grid; grid-template-rows: auto auto 1fr 150px; gap: 10px; padding: 22px 20px 0; background: rgba(var(--c-rgb), 0.025); overflow: hidden; }
.step-card__n { font: 600 11px var(--ui); letter-spacing: .16em; color: var(--ochre); }
.step-card b { font: 600 19px/1.15 var(--display); }
.step-card p { margin: 0; font-size: 13.5px; line-height: 1.55; color: var(--cream-2); }
.viz { position: relative; display: block; margin: 0 -20px; overflow: hidden; border-top: 1px solid var(--rule); }
.viz em { position: absolute; display: block; }
.viz--type em { left: 20px; top: 50%; height: 2px; width: 0; background: var(--cream-2); animation: typeline 3.2s steps(28) infinite; }
.viz--type em::after { content: ""; position: absolute; right: -4px; top: -10px; width: 2px; height: 20px; background: var(--cream); animation: blink .8s step-end infinite; }
.viz--plan em { border: 1.5px solid var(--cream-2); animation: room 4s var(--ease) infinite; opacity: 0; }
.viz--plan em:nth-child(1) { left: 22%; top: 18%; width: 22%; height: 34%; }
.viz--plan em:nth-child(2) { left: 22%; top: 52%; width: 22%; height: 30%; animation-delay: .4s; }
.viz--plan em:nth-child(3) { left: 52%; top: 18%; width: 26%; height: 44%; animation-delay: .8s; }
.viz--plan em:nth-child(4) { left: 52%; top: 62%; width: 26%; height: 20%; animation-delay: 1.2s; }
.viz--talk em { bottom: 26px; width: 26%; height: 34px; border-radius: 12px; background: rgba(var(--c-rgb), 0.08); animation: talk 3.6s var(--ease) infinite; }
.viz--talk em:nth-child(1) { left: 12%; } .viz--talk em:nth-child(2) { left: 40%; animation-delay: 1.2s; } .viz--talk em:nth-child(3) { left: 68%; animation-delay: 2.4s; }
.viz--air em { left: -30%; height: 1.5px; width: 40%; background: linear-gradient(90deg, transparent, var(--cream), transparent); animation: breeze 2.6s linear infinite; }
.viz--air em:nth-child(1) { top: 30%; } .viz--air em:nth-child(2) { top: 50%; animation-delay: .8s; } .viz--air em:nth-child(3) { top: 70%; animation-delay: 1.6s; }
@keyframes typeline { 0% { width: 0; } 70%, 100% { width: 70%; } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes room { 0% { opacity: 0; transform: scale(.94); } 15%, 80% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes talk { 0%, 40%, 100% { opacity: .25; transform: translateY(0); } 10%, 30% { opacity: 1; transform: translateY(-4px); } }
@keyframes breeze { to { transform: translateX(330%); } }
@media (max-width: 900px) {
  .compose { grid-template-columns: minmax(0, 1fr); }
  .chat { position: relative; height: auto; min-height: 80svh; }
  .steps { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) { .viz em, .msg, .dots i { animation: none !important; opacity: 1; } }

/* The first screen holds the conversation and the live plot; the page scrolls on to how it works. */
.compose > .compose__title { position: relative; }

/* ═══ HOME v2: a conversation that reads like a product ═════════════════ */
.bar .engine { display: none; }
.wordmark span { font-family: var(--display); font-size: 17px; letter-spacing: 0.02em; text-transform: uppercase; color: #f1e9db; font-weight: 800; font-stretch: 100%; }
.wordmark span b { font-weight: 300; color: #cdb28c; margin-left: 0.28em; letter-spacing: 0.04em; }

.chat { grid-template-rows: auto minmax(0, 1fr) auto auto; gap: 12px; padding-bottom: 18px; }
.brief-strip { display: flex; align-items: center; gap: 14px; padding: 0 0 16px; border-bottom: 1px solid var(--rule); min-height: 54px; }
.brief-strip__facts { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: 6px; overflow: hidden; }
.fact { padding: 6px 12px; border-radius: 999px; background: rgba(var(--c-rgb), 0.07); font-size: 13.5px; font-weight: 500; color: var(--cream); white-space: nowrap; animation: fact-in .4s var(--ease) both; }
.fact--empty { background: none; padding-left: 0; color: var(--cream-3); font-weight: 400; animation: none; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.brief-strip__act { display: flex; align-items: center; gap: 4px; flex: none; }
.link-btn { padding: 8px 10px; border: 0; background: none; color: var(--cream-3); font: 500 14px var(--ui); cursor: pointer; }
.link-btn:hover { color: var(--cream); }
.btn--start { height: 42px; padding: 0 20px; margin-left: 8px; font-size: 13px; transition: opacity .2s var(--ease), transform .2s var(--ease); }
.btn--start:disabled { opacity: .28; cursor: not-allowed; }
.btn--start.is-pulse { animation: start-pulse 1.6s var(--ease) 2; }
@keyframes start-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(var(--c-rgb), 0.35); } 50% { box-shadow: 0 0 0 10px rgba(var(--c-rgb), 0); } }
@keyframes fact-in { from { opacity: 0; transform: translateY(4px); } }

.chat__log { gap: 22px; padding: 18px 2px 12px; }
.chat__empty { margin: auto 0; display: grid; gap: 14px; max-width: 620px; animation: msg-in .5s var(--ease) both; }
.chat__hello { margin: 0; font: 500 clamp(30px, 3.4vw, 46px)/1.02 var(--display); letter-spacing: -0.02em; color: var(--cream); }
.chat__lede { margin: 0; font-size: 16.5px; line-height: 1.6; color: var(--cream-2); max-width: 54ch; }
.suggest { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.suggest__card { display: grid; gap: 6px; align-content: start; padding: 14px; border: 1px solid var(--rule); border-radius: 14px; background: rgba(var(--c-rgb), 0.02); text-align: left; cursor: pointer; color: inherit; transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease); }
.suggest__card:hover { border-color: var(--rule-2); background: rgba(var(--c-rgb), 0.05); transform: translateY(-2px); }
.suggest__card b { font: 600 13px var(--ui); color: var(--cream); }
.suggest__card span { font-size: 13px; line-height: 1.5; color: var(--cream-3); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.msg { max-width: 100%; display: grid; animation: msg-in .3s var(--ease) both; }
.msg--you { justify-self: end; max-width: 78%; padding: 10px 14px; border-radius: 18px 18px 6px 18px; background: rgba(var(--c-rgb), 0.1); }
.msg--you .msg__body { font-size: 16px; line-height: 1.55; color: var(--cream); white-space: pre-wrap; }
.msg--atri { grid-template-columns: 28px minmax(0, 1fr); column-gap: 12px; align-items: start; max-width: 92%; }
.msg__av { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--rule-2); background: rgba(var(--c-rgb), 0.04) url("logo-arch.svg") center / 16px no-repeat; }
.msg--atri .msg__body { padding-top: 3px; font-size: 16.5px; line-height: 1.65; color: var(--cream); white-space: pre-wrap; }
.quick { grid-column: 2; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.quick__opt { padding: 7px 13px; border: 1px solid var(--rule-2); border-radius: 999px; background: transparent; color: var(--cream-2); font: 500 12.5px var(--ui); cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.quick__opt:hover { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.typing { display: inline-flex; gap: 5px; padding: 10px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--cream-3); animation: dot 1.1s var(--ease) infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }

.composer { display: flex; align-items: flex-end; gap: 10px; padding: 8px 8px 8px 18px; border: 1px solid var(--rule-2); border-radius: 22px; background: #121110; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.composer:focus-within { border-color: rgba(var(--c-rgb), 0.45); box-shadow: 0 0 0 4px rgba(var(--c-rgb), 0.04); }
.composer__in { flex: 1; min-height: 26px; max-height: 180px; padding: 9px 0; resize: none; border: 0; background: transparent; color: var(--cream); font: 400 16.5px/1.5 var(--ui); outline: none; }
.composer__in::placeholder { color: var(--cream-3); }
.composer__send { flex: none; width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--cream); color: var(--ink); cursor: pointer; display: grid; place-items: center; transition: opacity .2s, transform .2s var(--ease); }
.composer__send svg { width: 18px; height: 18px; }
.composer__send:not(:disabled):hover { transform: translateY(-1px); }
.composer__send:disabled { opacity: .25; cursor: default; }
.composer__hint { margin: 0; text-align: center; font-size: 12px; color: var(--cream-3); }
@media (max-width: 900px) { .suggest { grid-template-columns: minmax(0, 1fr); } .brief-strip { flex-wrap: wrap; } }

/* ═══ HOME v3: sharper, quieter ════════════════════════════════════════ */
.btn--start, .composer, .quick__opt, .fact, .msg--you, .composer__send, .composer__attach, .link-btn { border-radius: 4px; }
.msg--you { border-radius: 6px 6px 2px 6px; }
.msg__av { border-radius: 4px; }
.composer { padding: 6px; gap: 6px; align-items: center; }
.composer__field { position: relative; flex: 1; min-width: 0; display: grid; }
.composer__field .composer__in { grid-area: 1 / 1; padding: 10px 4px; }
.composer__ghost { grid-area: 1 / 1; align-self: center; padding: 0 4px; pointer-events: none; font: 400 16.5px/1.5 var(--ui); color: var(--cream-3); white-space: nowrap; overflow: hidden; text-overflow: clip; }
.composer__ghost::after { content: ""; display: inline-block; width: 1px; height: 1.05em; margin-left: 1px; vertical-align: -2px; background: var(--cream-3); animation: blink .9s step-end infinite; }
.composer__attach { flex: none; width: 38px; height: 38px; display: grid; place-items: center; border: 0; background: none; color: var(--cream-3); cursor: pointer; transition: color .15s, background .15s; }
.composer__attach:hover { color: var(--cream); background: rgba(var(--c-rgb), 0.06); }
.composer__attach svg { width: 19px; height: 19px; }
.chat__tip { margin: 6px 0 0; font-size: 13.5px; color: var(--cream-3); }
.chat.is-drop .chat__log { outline: 1px dashed rgba(var(--c-rgb), 0.45); outline-offset: -6px; background: rgba(var(--c-rgb), 0.025); }
.fact { border-radius: 3px; }

/* ═══ HOMEPAGE: hero, showcase, committee ════════════════════════════════ */
.compose > .compose__title { position: relative; isolation: isolate; overflow: hidden; }
.hero3d { position: absolute; inset: 0; z-index: -1; }
.hero3d canvas { width: 100% !important; height: 100% !important; display: block; }
.hero3d::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(11,10,9,0.92) 0%, rgba(11,10,9,0.35) 34%, rgba(11,10,9,0) 55%, rgba(11,10,9,0.55) 100%); }
.compose__title .headline { position: relative; z-index: 1; text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5); }
.hero3d__cap { position: absolute; left: var(--gut); bottom: 22px; z-index: 2; display: flex; align-items: center; gap: 10px; margin: 0; font-size: 11px; color: var(--cream-3); letter-spacing: 0.06em; }
.hero3d__cap i { width: 7px; height: 7px; border-radius: 50%; background: #c4553f; box-shadow: 0 0 0 0 rgba(196, 85, 63, 0.6); animation: live 2s ease-out infinite; }
.hero3d__cap b { padding-left: 10px; border-left: 1px solid var(--rule-2); font-weight: 500; color: var(--cream-2); }
@keyframes live { 70% { box-shadow: 0 0 0 8px rgba(196, 85, 63, 0); } 100% { box-shadow: 0 0 0 0 rgba(196, 85, 63, 0); } }
/* The plot drawing becomes a small live card over the model. */
.compose__title .plotfig { position: absolute; right: var(--gut); bottom: 18px; z-index: 2; width: 210px; padding: 12px; background: rgba(11, 10, 9, 0.78); border: 1px solid var(--rule-2); backdrop-filter: blur(6px); }
.compose__title .plotfig svg { min-height: 0; height: 170px; max-height: none; }
.compose__title .plotfig figcaption { font-size: 10px; letter-spacing: .06em; }

.explain { display: grid; gap: clamp(72px, 12vh, 140px); }
.explain__h { margin-bottom: 24px; }
.step-card, .tile, .member { border-radius: 2px; }

.show__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: end; gap: 24px; margin-bottom: 28px; }
.show__head .explain__h { margin: 0; }
.show__lede { margin: 0; max-width: 46ch; font-size: 15px; line-height: 1.6; color: var(--cream-2); }
.show__grid { display: grid; grid-template-columns: 1.15fr 1fr 0.85fr; gap: 2px; }
.tile { position: relative; margin: 0; display: grid; grid-template-rows: minmax(0, 1fr) auto; min-height: 420px; background: #0e0d0c; border: 1px solid var(--rule); overflow: hidden; }
.tile img { width: 100%; height: 100%; object-fit: contain; padding: 18px; transition: transform .8s var(--ease); }
.tile:hover img { transform: scale(1.03); }
.tile__live { position: relative; min-height: 300px; }
.tile figcaption { display: grid; gap: 4px; padding: 16px 18px 18px; border-top: 1px solid var(--rule); }
.tile figcaption b { font: 600 16px var(--display); }
.tile figcaption span { font-size: 13px; color: var(--cream-3); line-height: 1.5; }
.facts { display: grid; grid-template-columns: 1fr 1fr; align-content: center; gap: 28px 18px; padding: 28px 22px; }
.facts b { display: block; font: 500 clamp(36px, 4vw, 56px)/1 var(--display); letter-spacing: -0.02em; color: var(--cream); }
.facts span { display: block; margin-top: 6px; font-size: 12.5px; line-height: 1.45; color: var(--cream-3); }

.board__grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 2px; }
.member { display: grid; grid-template-columns: 28px 1fr; grid-template-rows: auto auto; column-gap: 12px; row-gap: 2px; align-items: center; padding: 16px; background: rgba(var(--c-rgb), 0.025); border: 1px solid var(--rule); transition: background .25s var(--ease), border-color .25s var(--ease); }
.member:hover { background: rgba(var(--c-rgb), 0.06); border-color: var(--rule-2); }
.member__gl { grid-row: 1 / span 2; width: 22px; height: 22px; fill: none; stroke: var(--ochre); stroke-width: 1.2; }
.member[data-pig="hingula"] .member__gl { stroke: #c4553f; }
.member[data-pig="indigo"] .member__gl { stroke: #a39c92; }
.member[data-pig="orpiment"] .member__gl { stroke: #e8dcc6; }
.member b { font: 600 13.5px var(--ui); color: var(--cream); }
.member span { font-size: 12px; color: var(--cream-3); }

.cta { display: grid; justify-items: start; gap: 22px; padding-bottom: 40px; }
.cta__h { margin: 0; font: 500 clamp(44px, 7vw, 110px)/0.92 var(--display); letter-spacing: -0.03em; text-transform: uppercase; }
.cta__go { height: 48px; padding: 0 24px; border-radius: 2px; }

.step-card { border: 1px solid var(--rule); }

@media (max-width: 1100px) { .show__grid { grid-template-columns: 1fr 1fr; } .tile--facts { grid-column: 1 / -1; min-height: 0; } }
@media (max-width: 900px) {
  .compose > .compose__title { min-height: 80svh; }
  .show__head { grid-template-columns: 1fr; }
  .show__grid { grid-template-columns: 1fr; }
  .compose__title .plotfig { display: none; }
}
.compose__title .plotfig { top: calc(var(--bar-h) + 24px); bottom: auto; width: 150px; padding: 10px; }
.compose__title .plotfig svg { height: 120px; }
.compose__title .plotfig figcaption { display: none; }
.hero3d__cap { right: var(--gut); white-space: nowrap; overflow: hidden; }
.hero3d__cap b { overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 1200px) { .hero3d__cap span { display: none; } .hero3d__cap b { border: 0; padding: 0; } }
.compose__title .headline { max-width: calc(100% - 170px); }
@media (max-width: 900px) { .brief-strip__facts { flex-basis: 100%; } .brief-strip__act { margin-left: auto; } }

/* ═══ INTERIOR: walk the rooms ═════════════════════════════════════════ */
.pane[data-view="interior"] { display: flex; min-height: 0; }
.pane[data-view="interior"][hidden] { display: none; }
.inx { flex: 1; min-height: 0; display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.inx__side { min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 18px; padding: 20px 18px; border-right: 1px solid var(--rule); }
.inx__h, .inx__k { margin: 0; font-size: 10px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--cream-3); }
.inx__rooms { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.inx__room-btn { width: 100%; display: grid; gap: 2px; padding: 10px 12px; border: 1px solid transparent; border-radius: 3px; background: none; color: var(--cream-2); text-align: left; cursor: pointer; font: 500 13px var(--ui); transition: background .15s, border-color .15s; }
.inx__room-btn small { font-size: 11px; color: var(--cream-3); }
.inx__room-btn:hover { background: rgba(var(--c-rgb), .05); }
.inx__rooms li.is-on .inx__room-btn { border-color: var(--rule-2); background: rgba(var(--c-rgb), .08); color: var(--cream); }
.inx__style { display: grid; gap: 8px; padding-top: 14px; border-top: 1px solid var(--rule); }
.inx__style-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.inx__style-row b { font: 600 15px var(--display); }
.inx__nav { display: flex; gap: 2px; }
.inx__nav .ghost-btn { width: 30px; height: 30px; padding: 0; border-radius: 3px; }
.inx__sw { display: flex; } .inx__sw i { flex: 1; height: 18px; }
.inx__story { margin: 0; font-size: 12px; line-height: 1.5; color: var(--cream-3); }
.inx__stage { position: relative; min-height: 0; }
.inx__info { position: absolute; right: 16px; top: 16px; z-index: 3; width: min(300px, 40%); max-height: calc(100% - 80px); overflow-y: auto; display: grid; gap: 6px; padding: 14px 16px; background: rgba(11, 10, 9, .88); border: 1px solid var(--rule-2); border-radius: 3px; backdrop-filter: blur(6px); }
.inx__room { font: 600 17px var(--display); }
.inx__meta { margin: 0; font-size: 12px; color: var(--cream-3); }
.inx__items { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 4px; }
.inx__items li { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--cream-2); }
.inx__items .n { color: var(--cream-3); font-variant-numeric: tabular-nums; }
.inx__total { margin: 6px 0 0; padding-top: 8px; border-top: 1px solid var(--rule); font-size: 12.5px; font-weight: 600; }
@media (max-width: 900px) { .inx { grid-template-columns: 1fr; grid-template-rows: auto minmax(360px, 1fr); } .inx__side { border-right: 0; border-bottom: 1px solid var(--rule); max-height: 40vh; } }

/* steps: the real thing, small */
.viz svg { position: absolute; inset: 10px 14px; width: calc(100% - 28px); height: calc(100% - 20px); }
.viz--chat { display: flex; align-items: center; gap: 10px; padding: 0 16px; }
.viz--chat::before { content: ""; position: absolute; left: 14px; right: 14px; top: 50%; height: 46px; transform: translateY(-50%); border: 1px solid var(--rule-2); border-radius: 4px; background: rgba(var(--c-rgb), 0.03); }
.vc__clip, .vc__send { position: relative; flex: none; color: var(--cream-3); font-size: 14px; }
.vc__send { margin-left: auto; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 3px; background: rgba(var(--c-rgb), 0.08); transition: background .2s, color .2s; }
.viz--chat.is-sent .vc__send { background: var(--cream); color: var(--ink); }
.vc__text { position: relative; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; color: var(--cream); }
.vc__caret { position: relative; flex: none; width: 1.5px; height: 16px; margin-left: -8px; background: var(--cream); animation: blink .8s step-end infinite; }
.viz--team .vt__head { transform-origin: 0 74px; transition: transform .3s; }
.viz--team .vt__fig.is-talking .vt__head { animation: vt-nod .5s ease-in-out infinite alternate; }
.viz--team .vt__fig.is-talking .vt__mouth { animation: vt-talk .18s steps(2) infinite; }
@keyframes vt-nod { from { transform: rotate(-4deg); } to { transform: rotate(4deg); } }
@keyframes vt-talk { 50% { d: path("M-4 66 Q0 72 4 66"); } }
.vt__say { position: absolute; top: 10px; transform: translate(-50%, 4px); max-width: 64%; padding: 5px 9px; border-radius: 8px; background: var(--cream); color: var(--ink); font-size: 11.5px; line-height: 1.3; opacity: 0; transition: opacity .25s, transform .25s, left .25s; white-space: nowrap; }
.vt__say.is-on { opacity: 1; transform: translate(-50%, 0); }
.vch__chip { position: absolute; left: 14px; bottom: 12px; padding: 4px 9px; border-radius: 999px; background: var(--cream); color: var(--ink); font-size: 11px; font-weight: 600; opacity: 0; transform: translateY(6px); transition: opacity .25s, transform .25s; }
.vch__chip.is-on { opacity: 1; transform: none; }
.revise__ideas { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; }
.revise__idea { padding: 5px 10px; border: 1px solid var(--rule-2); border-radius: 999px; background: none; color: var(--cream-2); font: 500 11.5px var(--ui); cursor: pointer; transition: border-color .15s, color .15s, background .15s; }
.revise__idea:hover { border-color: var(--cream-3); color: var(--cream); background: rgba(var(--c-rgb), 0.05); }

/* Plot unit: feet or metres, a two-way switch beside the plot size. */
.unit { display: inline-flex; border: 1px solid rgba(var(--c-rgb), 0.28); border-radius: 999px; padding: 2px; align-self: center; }
.unit label { cursor: pointer; }
.unit input { position: absolute; opacity: 0; pointer-events: none; }
.unit span { display: block; padding: 3px 11px; border-radius: 999px; font-size: 12.5px; color: var(--cream-3); transition: background .2s, color .2s; }
.unit input:checked + span { background: var(--cream); color: var(--ink, #141210); }
.unit input:focus-visible + span { outline: 1px solid var(--cream); outline-offset: 2px; }
.row__v--pair:has(.unit) { gap: 10px 14px; flex-wrap: nowrap; }

/* ── edit the drawing ──────────────────────────────────────────────── */
.edit { display: grid; gap: 8px; margin: 0 0 16px; padding: 12px; border: 1px solid var(--rule-2); border-radius: 6px; }
.edit.is-busy { opacity: .6; pointer-events: none; }
.edit__head { display: flex; align-items: center; gap: 8px; }
.edit__k { margin-right: auto; font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-3); }
.edit__undo { height: 28px; padding: 0 10px; font-size: 11px; }
.edit__hint, .edit__loading, .edit__said { margin: 0; font-size: 11.5px; line-height: 1.5; color: var(--cream-3); }
.edit__said { min-height: 1em; color: var(--cream-2); }
.edit__body { display: grid; gap: 8px; }
.edit__row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.edit__lab { min-width: 62px; font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cream-3); }
.edit__sel, .edit__in { min-width: 0; height: 32px; padding: 0 8px; background: transparent; border: 1px solid var(--rule-2); color: var(--cream); font: 500 12px var(--ui); }
.edit__sel { width: 100%; }
.edit__sel--s { width: auto; max-width: 170px; }
.edit__sel option { background: var(--ink); color: var(--cream); }
.edit__in { flex: 1 1 120px; }
.edit__in:focus, .edit__sel:focus { outline: none; border-color: var(--cream-3); }
.edit__btn { height: 32px; padding: 0 12px; border: 1px solid var(--rule-2); border-radius: 999px; background: none; color: var(--cream); font: 600 11.5px var(--ui); cursor: pointer; transition: border-color .15s, background .15s; }
.edit__btn:hover:not(:disabled) { border-color: var(--cream-3); background: rgba(var(--c-rgb), 0.06); }
.edit__btn:disabled { opacity: .4; cursor: default; }
.edit__steps { display: inline-flex; gap: 4px; margin-left: auto; }
.edit__chip { padding: 5px 9px; border: 1px solid var(--rule-2); border-radius: 999px; background: none; color: var(--cream-2); font: 500 11.5px var(--ui); cursor: pointer; }
.edit__chip.is-on, .edit__chip:hover { border-color: var(--cream-3); color: var(--cream); background: rgba(var(--c-rgb), 0.08); }

/* the drawer that holds the two ways to change a finished design */
.edit-open { height: 30px; padding: 0 14px; font-size: 11px; margin-right: 6px; }
.pane__tools .edit-open { color: var(--ink); }
.editdrawer { position: absolute; right: 12px; top: 64px; z-index: 20; width: min(400px, calc(100% - 24px)); max-height: calc(100% - 96px); overflow: auto; padding: 14px; border: 1px solid var(--rule-2); border-radius: 8px; background: rgba(11, 10, 9, 0.96); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5); backdrop-filter: blur(8px); }
.editdrawer[hidden] { display: none; }
.editdrawer__x { position: absolute; right: 8px; top: 6px; width: 28px; height: 28px; border: 0; background: none; color: var(--cream-3); font-size: 20px; cursor: pointer; }
.editdrawer__x:hover { color: var(--cream); }
.editdrawer .revise { margin-top: 18px; }
.editdrawer .edit { margin-bottom: 0; }
.pane[data-view="drawings"] { position: relative; }

/* ═══ PHONES ═══════════════════════════════════════════════════════════
   One column, thumb-sized targets, no horizontal scroll, and the page can
   still be scrolled with a finger resting on a drawing. */
@media (max-width: 700px) {
  html { -webkit-text-size-adjust: 100%; }
  body { overflow-x: hidden; }

  /* the brief */
  .compose > .compose__title { height: 64svh; min-height: 0; padding-bottom: 20px; }
  .headline__hard { font-size: clamp(34px, 11vw, 48px); }
  .headline__soft { font-size: clamp(20px, 6vw, 26px); }
  .headline__hard--sm { font-size: clamp(16px, 5vw, 20px); }
  .compose__title .headline { max-width: 100%; }
  .chat { height: auto; min-height: 0; padding-top: 20px; padding-bottom: calc(18px + env(safe-area-inset-bottom)); }
  .brief-strip { flex-wrap: wrap; gap: 8px; }
  .brief-strip__facts { flex-basis: 100%; }
  .brief-strip__act { flex: 1 1 100%; margin-left: 0; gap: 8px; }
  .brief-strip__act .link-btn { min-height: 44px; }
  .btn--start { flex: 1; margin-left: 0; height: 48px; }
  .composer__send, .composer__attach { width: 44px; height: 44px; }
  .msg--you { max-width: 86%; }
  .msg--atri { max-width: 100%; }
  .explain { padding-left: 16px; padding-right: 16px; }

  /* forms: 16px fields so iOS does not zoom on focus */
  input:not([type="radio"]):not([type="checkbox"]):not([type="range"]):not([type="file"]),
  select, textarea { font-size: max(16px, 1em); }

  /* the studio bar: wordmark and New brief, then schemes, then views */
  .bar { grid-template-columns: minmax(0, 1fr) auto; column-gap: 10px; }
  .wordmark { order: 1; }
  .bar__end { order: 2; }
  .bar__mid { order: 3; grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
  .bar__mid::-webkit-scrollbar { display: none; }
  .schemes { flex-wrap: nowrap; }
  .scheme-tab { flex: none; min-height: 40px; }
  .views { order: 4; scrollbar-width: none; }
  .views::-webkit-scrollbar { display: none; }
  .view-tab { flex: none; min-height: 40px; }
  .engine { display: none; }
  .bar__end .btn { min-height: 40px; padding: 0 14px; }

  /* the form sheet: the mode tabs stop short of the close button */
  .sheet__close { width: 40px; height: 40px; }
  .modes { margin-right: 52px; }
  /* ledgers: tighter, and they scroll sideways rather than being cut off */
  table.led { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; font-size: 12px; }
  table.led th { letter-spacing: 0.06em; padding-right: 10px; }
  table.led td { padding-right: 10px; }
  /* the stage leaves room to scroll past it */
  .stage { height: 60svh; }
  .at-stage { height: 52svh; }
  .plate { min-height: 52svh; }
  .review { padding-bottom: env(safe-area-inset-bottom); }
}