/* ============================================================
   Nano Sofa — v2 Composer
   Two-pane: sticky preview LEFT, scrolling form RIGHT.
   No stepper, no dock, no tabs.
   ============================================================ */

:root {
  --bg: #F4F1EA;
  --bg-2: #EDE9DF;
  --paper: #FBFAF6;
  --line: #E2DDD0;
  --line-2: #D2CCBC;
  --ink: #1A1B19;
  --ink-2: #3A3B37;
  --ink-3: #6B6C66;
  --ink-4: #9A9B93;
  --accent: #5C7A56;
  --accent-ink: #2F4029;
  --accent-soft: #DCE3D3;
  --shadow-1: 0 1px 2px rgba(20, 22, 18, 0.04);
  --shadow-2: 0 6px 24px -12px rgba(20, 22, 18, 0.18), 0 2px 6px rgba(20, 22, 18, 0.04);
  --shadow-pop: 0 24px 60px -28px rgba(20, 22, 18, 0.35), 0 8px 18px -10px rgba(20, 22, 18, 0.18);
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --t-fast: 140ms cubic-bezier(.22,.61,.36,1);
  --t-med: 260ms cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Geist', ui-sans-serif, system-ui, sans-serif;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; }

.serif { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; letter-spacing: -0.005em; }
.mono  { font-family: 'Geist Mono', ui-monospace, monospace; }

/* --- Shell --------------------------------------------------- */
.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(380px, 0.7fr) minmax(560px, 1.3fr);
}

/* stage pane tabs */
.stage-tabs {
  position: absolute;
  top: 56px; left: 24px;
  z-index: 3;
  display: flex; gap: 2px;
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: 999px;
  padding: 3px;
}
.stage-tabs button {
  border: 0; background: transparent;
  font-family: inherit; font-size: 11.5px;
  color: var(--ink-3);
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: -0.005em;
}
.stage-tabs button.on {
  background: var(--ink);
  color: var(--paper);
}

/* JSON view inside stage */
.stage-json {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  background: #15171A;
  color: #E2DDD0;
  z-index: 2;
}
.stage-json-head {
  display: flex; justify-content: flex-end; align-items: center;
  padding: 88px 18px 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.stage-json-copy {
  display: flex; align-items: center; gap: 6px;
  font-family: inherit; font-size: 11.5px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  color: #E2DDD0;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.stage-json-copy:hover { background: rgba(255,255,255,.14); }
.stage-json-copy.ok {
  background: rgba(155,200,130,.18);
  border-color: rgba(155,200,130,.35);
  color: #C8E0B4;
}
.stage-json pre {
  flex: 1; margin: 0;
  padding: 14px 18px 90px;
  overflow: auto;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 11.5px;
  line-height: 1.65;
  white-space: pre;
}
.stage-json .jk { color: #C8B488; }
.stage-json .js { color: #A6C9A0; }
.stage-json .jn { color: #D9A276; }
.stage-json .jb { color: #B49ACF; font-style: italic; }
@media (max-width: 1100px) {
  .shell { grid-template-columns: 1fr; }
  .shell .stage-pane { position: relative; height: 60vh; }
  .shell .form-pane  { max-height: none; }
}

/* ============================================================
   LEFT — sticky preview pane
   ============================================================ */
.stage-pane {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

/* corner mark — only chrome on the stage */
.stage-mark {
  position: absolute;
  top: 22px; left: 24px;
  display: flex; align-items: center; gap: 10px;
  z-index: 3;
  color: var(--ink);
}
.stage-mark .glyph {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--ink);
  color: var(--paper);
  display: grid; place-items: center;
  font-family: 'Instrument Serif', serif;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.stage-mark .glyph::after { content: "ns"; transform: translateY(-1px); }
.stage-mark .name {
  font-family: 'Instrument Serif', serif;
  font-size: 18px;
  letter-spacing: -0.005em;
}
.stage-mark .name .light { color: var(--ink-3); }

/* status — top right corner */
.stage-status {
  position: absolute;
  top: 22px; right: 24px;
  z-index: 3;
  display: flex; gap: 6px;
  font-family: 'Geist Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-items: center;
}
.stage-status .dot {
  width: 7px; height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(92,122,86,.15);
}

/* render canvas */
.stage-canvas {
  flex: 1;
  position: relative;
  overflow: hidden;
  transition: background var(--t-med);
}
.stage-canvas::before {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.18));
  pointer-events: none;
}

/* sofa silhouette (CSS-only) */
.sofa {
  position: absolute;
  bottom: 30%; left: 50%; transform: translateX(-50%);
  width: 58%; aspect-ratio: 2.4 / 1;
  border-radius: 22px 22px 8px 8px;
  background: var(--mat-color, #6F8C68);
  box-shadow:
    0 28px 50px -22px rgba(0,0,0,.34),
    inset 0 -8px 0 -3px rgba(0,0,0,.10);
  transition: background var(--t-med);
}
.sofa::before {
  content: "";
  position: absolute;
  inset: 14% 6% auto 6%;
  height: 38%;
  border-radius: 16px 16px 6px 6px;
  background: rgba(255,255,255,.16);
  backdrop-filter: blur(2px);
}
.sofa::after {
  content: "";
  position: absolute;
  bottom: -14px;
  left: 8%; right: 8%;
  height: 18px;
  background: rgba(0,0,0,.28);
  filter: blur(10px);
  border-radius: 50%;
  z-index: -1;
}
.sofa-legs {
  position: absolute;
  bottom: -3.5%;
  left: 7%; right: 7%;
  height: 5%;
  display: flex; justify-content: space-between;
}
.sofa-legs span {
  width: 6px;
  background: #2A2418;
  border-radius: 0 0 3px 3px;
}

/* fabric overlays — subtle */
.fabric-overlay {
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.7;
}
.fabric-overlay.boucle {
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.25) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 50%, rgba(0,0,0,.18) 0 2px, transparent 3px),
    radial-gradient(circle at 40% 80%, rgba(255,255,255,.18) 0 2px, transparent 3px);
  background-size: 14px 14px, 12px 12px, 16px 16px;
}
.fabric-overlay.velvet {
  background: linear-gradient(90deg, rgba(0,0,0,.18) 0%, rgba(255,255,255,.10) 50%, rgba(0,0,0,.18) 100%);
}
.fabric-overlay.linen {
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.1) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.1) 0 1px, transparent 1px 3px);
}
.fabric-overlay.weave {
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 2px, transparent 2px 5px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.16) 0 2px, transparent 2px 5px);
}
.fabric-overlay.chenille {
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.16) 0 2px, transparent 2px 5px);
}
.fabric-overlay.leather {
  background:
    radial-gradient(circle at 30% 40%, rgba(0,0,0,.22) 0 4px, transparent 5px),
    radial-gradient(circle at 70% 70%, rgba(255,255,255,.14) 0 4px, transparent 5px);
  background-size: 22px 22px, 18px 18px;
}

/* summary — top of stage, under header chrome */
.stage-summary-top {
  position: absolute;
  top: 104px; left: 24px; right: 24px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 12px 16px;
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,.06);
  border-radius: 10px;
}
.stage-summary-top .line {
  display: flex; flex-direction: column; gap: 2px;
  min-width: 0;
}
.stage-summary-top .k {
  font-family: 'Geist Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.stage-summary-top .v {
  font-family: 'Instrument Serif', serif;
  font-size: 16px;
  letter-spacing: -0.005em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* variant rail — vertical, on right edge of stage */
.variant-rail {
  position: absolute;
  bottom: 24px; right: 24px;
  z-index: 3;
  display: flex; flex-direction: column; gap: 8px;
}
.variant-rail .v-thumb {
  width: 56px; height: 44px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,.10);
  background: var(--paper);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.variant-rail .v-thumb:hover { transform: translateX(-2px); }
.variant-rail .v-thumb.active {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(255,255,255,.6), 0 0 0 4px rgba(26,27,25,.7);
}
.variant-rail .v-thumb .vt-render {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--vb,#E8DEC9), var(--vb2,#C9B89B));
}
.variant-rail .v-thumb .vt-render::after {
  content: "";
  position: absolute;
  bottom: 22%; left: 18%; right: 18%;
  height: 38%;
  background: var(--vc, #5C7A56);
  border-radius: 4px 4px 1px 1px;
}
.variant-rail .v-thumb .tag {
  position: absolute;
  top: 3px; right: 3px;
  font-family: 'Geist Mono', monospace;
  font-size: 8.5px;
  background: rgba(255,255,255,.85);
  color: var(--ink-2);
  padding: 1px 4px;
  border-radius: 3px;
}

/* generate FAB */
.gen-fab {
  position: absolute;
  bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 4;
  display: flex; align-items: center; gap: 12px;
  padding: 13px 22px 13px 18px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: -0.005em;
  cursor: pointer;
  box-shadow: var(--shadow-pop);
  transition: transform var(--t-fast);
}
.gen-fab:hover { transform: translate(-50%, -2px); }
.gen-fab .ico { color: rgba(255,255,255,.85); }
.gen-fab .cost {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  background: rgba(255,255,255,.10);
  padding: 3px 8px;
  border-radius: 999px;
  color: rgba(255,255,255,.75);
  letter-spacing: 0;
}
.gen-fab .kbd {
  font-family: 'Geist Mono', monospace;
  font-size: 10px;
  background: rgba(255,255,255,.12);
  padding: 2px 6px;
  border-radius: 4px;
  color: rgba(255,255,255,.85);
}

/* generating overlay */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.gen-overlay {
  position: absolute; inset: 0;
  background: rgba(20,22,18,.55);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  z-index: 5;
}
.gen-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-lg);
  padding: 18px 22px;
  display: flex; flex-direction: column; gap: 10px;
  min-width: 260px;
  box-shadow: var(--shadow-pop);
}
.gen-card .lead {
  font-size: 13px;
  display: flex; align-items: center; gap: 8px;
}
.gen-card .lead .ico { color: var(--accent-soft); }
.gen-bar {
  height: 4px;
  background: rgba(255,255,255,.15);
  border-radius: 999px;
  overflow: hidden;
}
.gen-bar > div {
  height: 100%; width: 30%;
  background: linear-gradient(90deg, transparent, var(--paper), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
}
.gen-card .meta {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,.65);
}

/* ============================================================
   RIGHT — scrolling form
   ============================================================ */
.form-pane {
  background: var(--bg);
  padding: 28px 44px 140px;
  overflow-y: auto;
  max-height: 100vh;
  scroll-behavior: smooth;
}
@media (max-width: 1300px) { .form-pane { padding: 26px 32px 140px; } }
@media (max-width:  900px) { .form-pane { padding: 24px 22px 140px; } }

/* form intro — aligned to section rail (58px) */
.form-intro {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  margin-bottom: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.form-intro .eyebrow {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-4);
  line-height: 1;
  padding-top: 12px;
  white-space: nowrap;
  grid-column: 1 / -1;
}
.form-intro .intro-body { display: contents; }
.form-intro h1 {
  grid-column: 2;
  font-family: 'Instrument Serif', serif;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 12px;
  font-weight: 400;
  max-width: 28ch;
  text-wrap: pretty;
}
.form-intro h1 em { font-style: italic; color: var(--ink-2); }
.form-intro p {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.6;
  max-width: 56ch;
}
@media (max-width: 900px) {
  .form-intro { grid-template-columns: 1fr; }
  .form-intro h1, .form-intro p { grid-column: 1; }
}

/* sections */
.section {
  padding: 26px 0 32px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 24px;
}
.section:last-child { border-bottom: 0; }

.sec-head {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}
.sec-head .num {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  line-height: 1;
  padding-top: 2px;
}
.sec-head .title {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.15;
  margin: 0;
}
.sec-head .summary {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  text-transform: lowercase;
  letter-spacing: 0;
  text-align: right;
  max-width: 200px;
  line-height: 1.3;
  justify-self: end;
  align-self: center;
}
.sec-help {
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0 0 18px 58px;
  max-width: 56ch;
}

.sec-body { margin-left: 58px; }
@media (max-width: 900px) {
  .sec-body, .sec-help { margin-left: 0; }
  .sec-head { gap: 10px; }
  .sec-head .num { width: 28px; }
}

/* ============================================================
   Controls — uploads, swatches, cards
   ============================================================ */

/* uploader (compact, single-line layout) */
.up-row {
  display: flex; gap: 14px; align-items: center;
  padding: 12px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-md);
  background:
    repeating-linear-gradient(135deg, transparent 0 12px, rgba(0,0,0,.012) 12px 13px);
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.up-row.has { border-style: solid; background: var(--paper); }
.up-row:hover { border-color: var(--ink-3); }
.up-thumb {
  width: 64px; height: 64px;
  border-radius: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink-4);
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.up-thumb svg { opacity: .6; }
.up-thumb.has::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #C8B59A, #5C5040);
}
.up-thumb.has::after {
  content: "";
  position: absolute;
  left: 18%; right: 18%; bottom: 22%;
  height: 28%;
  background: rgba(255,255,255,.2);
  border-radius: 6px 6px 2px 2px;
}
.up-body { flex: 1; min-width: 0; }
.up-body .lead { font-size: 13px; color: var(--ink); }
.up-body .help { font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.up-tags { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.up-tag {
  font-family: 'Geist Mono', monospace;
  font-size: 10px;
  padding: 2px 7px;
  background: var(--bg-2);
  color: var(--ink-2);
  border-radius: 999px;
}
.up-tag.ok { background: var(--accent-soft); color: var(--accent-ink); }

/* type radio (sofa / bed) — segmented inline */
.type-seg {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-top: 12px;
}
.type-seg.single { grid-template-columns: 1fr; }
.type-seg .opt {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--r-md);
  padding: 10px 12px;
  display: flex; gap: 10px; align-items: center;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.type-seg .opt:hover { border-color: var(--ink-4); }
.type-seg .opt.sel {
  border-color: var(--ink);
  background: var(--bg-2);
}
.type-seg .opt .ic {
  width: 38px; height: 32px;
  background: var(--bg-2);
  border-radius: 6px;
  display: grid; place-items: center;
  color: var(--ink-2);
}
.type-seg .opt.sel .ic { background: var(--ink); color: var(--paper); }
.type-seg .opt .nm { font-size: 13px; }
.type-seg .opt .ds { font-size: 11px; color: var(--ink-3); margin-top: 1px; }

/* swatches — denser, no chrome borders */
.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 8px;
}
.sw {
  cursor: pointer;
  border-radius: 10px;
  padding: 6px;
  transition: background var(--t-fast);
}
.sw:hover { background: var(--bg-2); }
.sw.sel { background: var(--paper); box-shadow: inset 0 0 0 1.5px var(--ink); }
.sw-fill {
  height: 48px;
  border-radius: 7px;
  border: 1px solid rgba(0,0,0,.08);
  margin-bottom: 5px;
  position: relative;
  overflow: hidden;
}
.sw-fill::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 25% 35%, rgba(255,255,255,.18) 0 1.5px, transparent 2px),
    radial-gradient(circle at 65% 70%, rgba(0,0,0,.10) 0 1.5px, transparent 2px),
    radial-gradient(circle at 80% 25%, rgba(255,255,255,.15) 0 1px, transparent 1.5px);
  background-size: 6px 6px, 7px 7px, 5px 5px;
  mix-blend-mode: overlay;
}
.sw-name { font-size: 11px; color: var(--ink); }
.sw-hex { font-family: 'Geist Mono', monospace; font-size: 9.5px; color: var(--ink-3); }
.sw.custom .sw-fill {
  background: repeating-linear-gradient(45deg, var(--bg-2) 0 4px, var(--paper) 4px 8px);
  display: grid; place-items: center;
  color: var(--ink-3);
}
.sw.custom .sw-fill::after { content: none; }

/* materials — tiny */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}
.mat {
  border-radius: 10px;
  cursor: pointer;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color var(--t-fast);
}
.mat:hover { border-color: var(--ink-4); }
.mat.sel { border-color: var(--ink); box-shadow: 0 0 0 2px rgba(26,27,25,.06); }
.mat-tex {
  height: 56px;
  background: #B7A689;
}
.mat-tex.boucle {
  background:
    radial-gradient(circle at 20% 30%, #D6C4A2 0 4px, transparent 5px),
    radial-gradient(circle at 60% 60%, #C5B391 0 4px, transparent 5px),
    radial-gradient(circle at 80% 20%, #E0CFAA 0 3px, transparent 4px),
    #C9B791;
  background-size: 14px 14px, 12px 12px, 10px 10px, 100% 100%;
}
.mat-tex.velvet {
  background: linear-gradient(90deg, #4B5C4A, #6F8267, #4B5C4A);
}
.mat-tex.linen {
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.06) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.06) 0 1px, transparent 1px 3px),
    #C9BFA8;
}
.mat-tex.weave {
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.10) 0 2px, transparent 2px 5px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.10) 0 2px, transparent 2px 5px),
    #B7A78A;
}
.mat-tex.chenille {
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.10) 0 2px, transparent 2px 5px),
    #B5A98E;
}
.mat-tex.leather {
  background:
    radial-gradient(circle at 30% 40%, rgba(0,0,0,.18) 0 6px, transparent 7px),
    linear-gradient(135deg, #6E4A36, #8B5C40);
  background-size: 22px 22px, 100% 100%;
}
.mat-meta { padding: 7px 10px 9px; }
.mat-name { font-size: 12px; color: var(--ink); }
.mat-prop { font-size: 10.5px; color: var(--ink-3); margin-top: 1px; }

/* sizes — pill rail */
.size-rail {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.size-pill {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  transition: border-color var(--t-fast);
}
.size-pill:hover { border-color: var(--ink-4); }
.size-pill.sel { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.size-pill .dim {
  font-family: 'Geist Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0;
}
.size-pill.sel .dim { color: rgba(255,255,255,.6); }

/* legs — radio chips with mini glyph */
.legs-rail {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px;
}
.leg {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 10px;
  padding: 10px 8px 8px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.leg:hover { border-color: var(--ink-4); }
.leg.sel { border-color: var(--ink); box-shadow: 0 0 0 2px rgba(26,27,25,.06); }
.leg .glyph {
  height: 38px;
  display: grid; place-items: center;
}
.leg .nm { font-size: 11.5px; color: var(--ink); margin-top: 4px; }
.legs-rail.disabled { opacity: 0.45; pointer-events: none; }
.legs-note {
  font-size: 11.5px;
  color: var(--ink-3);
  font-style: italic;
  margin-top: 8px;
}

/* environments */
.env-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
  gap: 8px;
}
.env {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.env:hover { border-color: var(--ink-4); }
.env.sel { border-color: var(--ink); box-shadow: 0 0 0 2px rgba(26,27,25,.06); }
.env-thumb { height: 60px; position: relative; }
.env-thumb .floor {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 32%;
  opacity: .85;
}
.env-thumb .prop {
  position: absolute;
  bottom: 24%; left: 30%; right: 30%;
  height: 28%;
  background: rgba(0,0,0,.18);
  border-radius: 4px 4px 1px 1px;
}
.env.checker .env-thumb {
  background:
    repeating-conic-gradient(#E8E3D5 0 25%, #F4F0E5 0 50%) 0 0/12px 12px !important;
}
.env-thumb .upload-icon {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  color: var(--ink-4);
}
.env-meta { padding: 7px 10px 9px; }
.env-name { font-size: 12px; }
.env-prop { font-size: 10.5px; color: var(--ink-3); margin-top: 1px; }

.env-custom {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg-2);
  border-radius: 10px;
  display: grid; gap: 10px;
}
.env-custom .head {
  display: flex; align-items: center; gap: 12px;
}
.env-custom .ico { color: var(--ink-3); }
.env-custom .lead { font-size: 12.5px; color: var(--ink); }
.env-custom .sub { font-size: 11px; color: var(--ink-3); margin-top: 2px; }

/* camera presets — same style as env */
.cam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.cam {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  cursor: pointer;
  overflow: hidden;
}
.cam.sel { border-color: var(--ink); box-shadow: 0 0 0 2px rgba(26,27,25,.06); }
.cam-render {
  height: 70px;
  position: relative;
  background: linear-gradient(180deg, #E8DEC9, #D2C2A4);
}
.cam-render .floor {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 18px;
  background: linear-gradient(180deg, #B89F7A, #8B7559);
}
.cam-render .obj {
  position: absolute;
  bottom: 14px; left: 50%; transform: translateX(-50%);
  width: 70px; height: 22px;
  background: #5C7A56;
  border-radius: 5px 5px 1px 1px;
}
.cam-render.studio { background: linear-gradient(180deg, #F0EBDF, #DFD7C4); }
.cam-render.studio .floor { background: #C8BCA1; }
.cam-render.lounge .obj  { background: #6F4A35; }
.cam-render.detail .obj  { width: 110%; height: 38px; bottom: -6px; }
.cam-render.eye .obj     { width: 100px; bottom: 18px; }
.cam-meta { padding: 7px 10px 9px; }
.cam-name { font-size: 12px; }
.cam-prop { font-size: 10.5px; color: var(--ink-3); margin-top: 1px; }

/* selects row */
.tri-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px;
  margin-top: 12px;
}
@media (max-width: 700px) {
  .tri-row { grid-template-columns: 1fr; }
}
.field-lbl {
  font-family: 'Geist Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.input, .select, textarea.input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 9px;
  padding: 9px 11px;
  font-size: 12.5px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.input:focus, .select:focus, textarea.input:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(26,27,25,.07);
}
textarea.input { min-height: 70px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-3) 50%),
    linear-gradient(-45deg, transparent 50%, var(--ink-3) 50%);
  background-position:
    calc(100% - 14px) 50%,
    calc(100% - 9px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 30px;
}

/* refs slots */
.refs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.ref-slot {
  aspect-ratio: 1;
  border: 1.5px dashed var(--line-2);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--ink-4);
  font-size: 11px;
  text-align: center;
  cursor: pointer;
  background: repeating-linear-gradient(135deg, transparent 0 8px, rgba(0,0,0,.012) 8px 9px);
  transition: border-color var(--t-fast);
  position: relative;
  overflow: hidden;
}
.ref-slot:hover { border-color: var(--ink-3); color: var(--ink-2); }
.ref-slot.filled {
  border-style: solid;
  background: var(--bg-2);
  color: var(--ink);
}
.ref-slot .fname {
  font-family: 'Geist Mono', monospace;
  font-size: 10.5px;
  color: var(--ink);
}
.ref-slot .fhint { font-size: 9.5px; color: var(--ink-3); margin-top: 4px; }

/* output settings — inline grid */
.out-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 10px;
}
@media (max-width: 700px) {
  .out-grid { grid-template-columns: 1fr 1fr; }
}

/* checkbox */
.check {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--ink-2);
  cursor: pointer; user-select: none;
  margin-top: 12px;
}
.check input { display: none; }
.check .box {
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1.5px solid var(--line-2);
  background: var(--paper);
  display: grid; place-items: center;
  transition: all var(--t-fast);
}
.check input:checked + .box { background: var(--ink); border-color: var(--ink); }
.check input:checked + .box::after {
  content: "";
  width: 8px; height: 4px;
  border: 1.5px solid var(--paper);
  border-top: 0; border-right: 0;
  transform: rotate(-45deg) translate(1px, -1px);
}

/* tip — sage banner, tiny */
.tip {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 12px;
  background: rgba(92,122,86,.08);
  border-radius: 10px;
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--accent-ink);
  line-height: 1.5;
}
.tip .ico { color: var(--accent); flex-shrink: 0; margin-top: 1px; }

/* end-of-form footer */
.form-foot {
  margin-top: 32px;
  padding-top: 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
}
.foot-summary { min-width: 0; }
.foot-lead {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.2;
}
.foot-meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 11.5px; color: var(--ink-3);
  align-items: center;
}
.foot-meta .dot { color: var(--ink-4); }
.foot-meta .mono { font-family: 'Geist Mono', monospace; font-size: 11px; }
.foot-actions { display: flex; gap: 10px; align-items: center; }
.form-foot .copy {
  background: transparent; border: 0;
  font-family: inherit; font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
}
.form-foot .copy:hover { background: var(--bg-2); }
.foot-gen {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px 12px 16px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-size: 13.5px;
  letter-spacing: -0.005em;
  cursor: pointer;
  box-shadow: var(--shadow-2);
  transition: transform var(--t-fast);
}
.foot-gen:hover { transform: translateY(-1px); }
.foot-gen .ico { color: rgba(255,255,255,.85); display: grid; place-items: center; }
.foot-gen .cost {
  font-family: 'Geist Mono', monospace;
  font-size: 10.5px;
  background: rgba(255,255,255,.10);
  padding: 3px 8px;
  border-radius: 999px;
  color: rgba(255,255,255,.75);
}
.foot-gen .kbd {
  font-family: 'Geist Mono', monospace;
  font-size: 9.5px;
  background: rgba(255,255,255,.12);
  padding: 2px 6px;
  border-radius: 4px;
  color: rgba(255,255,255,.85);
}

/* ============================================================
   API key onboarding banner (Phase 1)
   ============================================================ */
.api-banner {
  margin: 6px 0 22px;
  padding: 18px 20px 16px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--paper), var(--bg-2));
  border: 1px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(92,122,86,.08), 0 6px 24px -12px rgba(20,22,18,.18);
  display: flex; flex-direction: column; gap: 12px;
}
.api-banner-eyebrow {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  font-family: 'Geist Mono', monospace;
}
.api-banner-title {
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-top: 2px;
  line-height: 1.15;
}
.api-banner-help {
  font-size: 12.5px;
  color: var(--ink-3);
  margin-top: 6px;
  line-height: 1.5;
}
.api-banner-help a {
  color: var(--accent-ink);
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.api-banner-form { display: flex; gap: 8px; }