/* CharInsert — atelier
   Aesthetic: architect's drafting room. Graphite + warm ivory + a single
   architect's-pencil orange. Editorial serif + technical mono. Subtle
   drafting grid, registration marks at the corners, restraint everywhere.
*/

:root {
  /* Palette */
  --graphite-0:  #08090b;
  --graphite-1:  #0d0e10;       /* page background */
  --graphite-2:  #15171a;       /* surfaces */
  --graphite-3:  #1c1f24;       /* elevated surfaces */
  --graphite-4:  #24272d;       /* hairline borders */
  --graphite-5:  #2d3038;
  --paper:       #ece7da;       /* warm ivory text */
  --paper-dim:   #b8b3a8;
  --paper-mute:  #6b6862;
  --line-mute:   #3a3d44;
  --accent:      #ff6a3d;       /* architect's pencil */
  --accent-dim:  #d35528;
  --sage:        #8eb574;
  --amber:       #d4a259;
  --terra:       #c45a4a;

  /* Typography */
  --serif: "Instrument Serif", "Adobe Caslon Pro", "Hoefler Text", "Times New Roman", serif;
  --mono:  "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --sans:  "Geist", "Helvetica Neue", system-ui, -apple-system, sans-serif;

  /* Layout */
  --topbar-h: 54px;
  --panel-w: 320px;
  --radius: 2px;
  --hairline: 1px solid var(--graphite-4);
  --hairline-strong: 1px solid var(--graphite-5);

  /* Motion */
  --ease: cubic-bezier(.2, .8, .2, 1);
  --quick: 150ms var(--ease);
  --slow: 420ms var(--ease);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body {
  height: 100%;
  margin: 0;
  background: var(--graphite-1);
  color: var(--paper);
  font: 400 13px/1.45 var(--sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: 0.01em;
}

/* Faint film-grain noise so flat surfaces breathe. */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0   0 0 0 0 0   0 0 0 0 0   0 0 0 0.55 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ─── Registration marks at canvas corners ─────────────────────────────── */
.reg-mark {
  position: fixed; width: 18px; height: 18px;
  stroke: var(--paper-mute); fill: none; stroke-width: 1;
  z-index: 100; pointer-events: none;
  opacity: 0.55;
}
.reg-tl { top: 10px;  left: 10px; }
.reg-tr { top: 10px;  right: 10px; transform: scaleX(-1); }
.reg-bl { bottom: 10px; left: 10px; transform: scaleY(-1); }
.reg-br { bottom: 10px; right: 10px; transform: scale(-1, -1); }

/* ─── Top bar ──────────────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 0 30px;
  height: var(--topbar-h);
  border-bottom: var(--hairline);
  background: linear-gradient(180deg, var(--graphite-2) 0%, var(--graphite-1) 100%);
  position: relative; z-index: 50;
}
.topbar::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px; background: linear-gradient(90deg,
    transparent 0%, var(--graphite-5) 25%, var(--graphite-5) 75%, transparent 100%);
}

.brand {
  display: flex; align-items: baseline; gap: 4px;
  font: 500 12px var(--mono);
  letter-spacing: 0.18em;
  color: var(--paper);
  user-select: none;
}
.brand-serif {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--accent);
  margin: 0 4px;
  line-height: 0;
  transform: translateY(2px);
}
.brand-rev {
  font: 400 9px/1 var(--mono);
  color: var(--paper-mute);
  margin-left: 12px;
  padding: 2px 5px;
  border: 1px solid var(--graphite-4);
  letter-spacing: 0.15em;
}

.spacer { flex: 1; }

.btn {
  background: transparent; color: var(--paper);
  border: 1px solid var(--graphite-4);
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: border-color var(--quick), background var(--quick), color var(--quick);
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn:hover:not(:disabled) {
  border-color: var(--paper-dim);
  color: var(--paper);
}
.btn.ghost { background: var(--graphite-2); }
.btn.ghost:hover:not(:disabled) {
  background: var(--graphite-3);
  border-color: var(--paper-mute);
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.primary {
  background: var(--accent); color: var(--graphite-0);
  border-color: var(--accent);
  font-weight: 600;
}
.btn.primary:hover:not(:disabled) {
  background: var(--paper); border-color: var(--paper); color: var(--graphite-0);
}
.btn .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 106, 61, 0.15);
}
.btn-mono {
  font: 400 11px/1 var(--mono); color: inherit; opacity: 0.6;
  margin-left: 4px;
}
.btn-warn { color: #ffb84d; font-size: 13px; line-height: 1; margin-right: -2px; }
.reset-gem-btn {
  /* Sits between the topbar-hint and the primary genBtn; soft amber tone so
     it reads as "destructive but available" without competing with the main
     accent action. */
  border-color: rgba(255, 184, 77, 0.45);
  color: #ffb84d;
}
.reset-gem-btn:hover:not(:disabled) {
  border-color: #ffb84d;
  color: #ffd28a;
  background: rgba(255, 184, 77, 0.08);
}

.scene-status {
  display: flex; align-items: center; gap: 8px;
  padding-left: 18px;
  border-left: var(--hairline);
  height: 28px;
  font: 400 11px/1 var(--mono);
  letter-spacing: 0.05em;
}
.status-pre { color: var(--paper-mute); letter-spacing: 0.18em; }
.status-val {
  color: var(--paper-dim);
  font-style: italic;
  font-family: var(--serif);
  font-size: 14px;
}
.scene-status.ok .status-val { color: var(--sage); font-style: normal; font-family: var(--mono); font-size: 11px; }
.scene-status.err .status-val { color: var(--terra); font-style: normal; font-family: var(--mono); font-size: 11px; }

.anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: min(42vw, 620px);
  max-height: 52px;
  overflow: auto;
}
.pill {
  display: inline-flex; align-items: center; gap: 0;
  background: transparent;
  border: 1px solid var(--graphite-4);
  padding: 2px 0 2px 9px;
  border-radius: 999px;
  font: 400 10px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  user-select: none;
  transition: all var(--quick);
}
.pill .label { color: var(--paper-dim); padding-right: 8px; }
.pill .yes, .pill .no {
  cursor: pointer;
  padding: 4px 7px;
  border-left: 1px solid var(--graphite-4);
  color: var(--paper-mute);
  transition: all var(--quick);
  font-weight: 600;
}
.pill .no { border-radius: 0 999px 999px 0; }
.pill .yes:hover { background: rgba(142, 181, 116, 0.15); color: var(--sage); }
.pill .no:hover  { background: rgba(196, 90, 74, 0.15); color: var(--terra); }
.pill.confirmed { border-color: var(--sage); }
.pill.confirmed .label { color: var(--sage); }
.pill.confirmed .yes { color: var(--sage); }
.pill.rejected { opacity: 0.4; text-decoration: line-through; }

.topbar-hint {
  display: flex; align-items: center; gap: 10px;
  font: 400 10px/1 var(--mono);
  color: var(--paper-mute);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}
.topbar-hint kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; padding: 0 5px;
  background: var(--graphite-2);
  border: 1px solid var(--graphite-4);
  border-radius: 2px;
  font: inherit; color: var(--paper-dim);
  margin-right: 3px;
  letter-spacing: 0;
}

/* ─── Workspace ────────────────────────────────────────────────────────── */
.workspace {
  display: grid;
  grid-template-columns: 1fr var(--panel-w);
  height: calc(100% - var(--topbar-h));
}

.stage {
  position: relative;
  overflow: hidden;
  background: var(--graphite-0);
  cursor: none;  /* we draw our own brush cursor */
}
/* When no image is loaded (i.e. the .empty hint is still visible), the
 * custom brush cursor isn't being drawn — fall back to the native cursor
 * so the user can see where they're pointing on the empty solar-system
 * view. */
#canvasStage:has(#emptyHint:not([hidden])) {
  cursor: default;
}

/* Drafting paper backdrop — fine grid + measurement ticks */
.paper-grid {
  position: absolute; inset: 0; pointer-events: none;
  opacity: 0.6;
  background-image:
    linear-gradient(to right, rgba(58, 61, 68, 0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 61, 68, 0.18) 1px, transparent 1px),
    linear-gradient(to right, rgba(58, 61, 68, 0.32) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(58, 61, 68, 0.32) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
}
.paper-grid::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, var(--graphite-0) 90%);
}

.canvas-wrap {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 36px;
  overflow: hidden;
}
.canvas-stage {
  position: relative;
  max-width: 100%; max-height: 100%;
  line-height: 0;
  transform-origin: center center;
  transition: transform 80ms linear;
  will-change: transform;
  /* CRITICAL: disable browser native touch/trackpad gestures on the canvas.
     Without this, dragging on a touchscreen or precision trackpad triggers
     a native scroll/pan IN ADDITION to our JS pointer events — the photo
     visibly slides while the user is trying to draw a precise stroke. */
  touch-action: none;
  box-shadow:
    0 0 0 1px var(--graphite-4),
    0 24px 80px -20px rgba(0, 0, 0, 0.8),
    0 0 120px -40px rgba(255, 106, 61, 0.05);
}
.canvas-stage.panning { transition: none; cursor: grabbing !important; }
.canvas-wrap canvas {
  position: absolute; left: 0; top: 0;
  width: 100%; height: 100%;
  image-rendering: high-quality;
  touch-action: none;  /* same reason as above, applied per-canvas for safety */
}
#imgCanvas {
  z-index: 1; position: relative;
  transition: filter 480ms var(--ease);
}
/* When the scan is active, image desaturates slightly so the cyan overlay
   reads as a luminescent diagnostic layer rather than competing with the
   photo's chroma. The transition pairs with the scan fade-in/out. */
.canvas-stage.scanning #imgCanvas {
  filter: saturate(0.55) brightness(0.78) contrast(1.02);
}
.scan-canvas {
  z-index: 2; pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity 360ms var(--ease);
}
.canvas-stage.scanning .scan-canvas { opacity: 1; }
/* V mode: keep the scan layer visible as a backdrop for anchor reticles,
   but leave the source photo at full clarity (no saturate/brightness
   filter — unlike the .scanning state used during the analyse animation). */
.canvas-stage.v-held .scan-canvas { opacity: 1; }
#vizCanvas {
  z-index: 3; pointer-events: none;
  opacity: 0;
  transition: opacity 200ms var(--ease);
}
#vizCanvas.show { opacity: 0.85; }
#strokeCanvas { z-index: 4; cursor: none; }
#poseCanvas { z-index: 5; pointer-events: none; mix-blend-mode: screen; }
#maskCanvas {
  z-index: 6; pointer-events: none; opacity: 0;
  transition: opacity 200ms var(--ease);
  mix-blend-mode: screen;
}
#maskCanvas.show { opacity: 0.35; }

/* ─── Scan HUD ─────────────────────────────────────────────────────── */
.scan-hud {
  position: absolute;
  left: 18px; top: 18px;
  z-index: 7;
  pointer-events: none;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 10px 6px 12px;
  background: rgba(13, 14, 16, 0.62);
  backdrop-filter: blur(8px) saturate(0.9);
  -webkit-backdrop-filter: blur(8px) saturate(0.9);
  border: 1px solid rgba(126, 229, 255, 0.32);
  border-radius: 2px;
  box-shadow: 0 0 18px rgba(126, 229, 255, 0.18),
              inset 0 0 0 1px rgba(126, 229, 255, 0.04);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}
.canvas-stage.scanning .scan-hud {
  opacity: 1;
  transform: translateY(0);
}
.scan-hud-tag {
  font: 600 9px var(--mono);
  letter-spacing: 0.22em;
  color: rgba(126, 229, 255, 0.95);
  text-transform: uppercase;
  padding: 2px 6px;
  border: 1px solid rgba(126, 229, 255, 0.5);
}
.scan-hud-phase {
  font: 500 11px var(--mono);
  letter-spacing: 0.18em;
  color: rgba(232, 244, 250, 0.95);
  text-transform: uppercase;
  min-width: 72px;
}
.scan-hud-phase::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-left: 8px; margin-bottom: 1px;
  background: rgba(126, 229, 255, 0.9);
  border-radius: 50%;
  animation: scan-blink 1100ms var(--ease) infinite alternate;
}
@keyframes scan-blink {
  from { opacity: 0.25; }
  to   { opacity: 1; }
}
.scan-hud-counter {
  font: 400 10px var(--mono);
  color: rgba(160, 180, 195, 0.85);
  letter-spacing: 0.08em;
  white-space: pre;
}

/* Live counter chips — POINTS / OBJ / LINES / FLOORS / VP. Sit inline
   after the phase label, one per detected stream. Each pulses briefly
   when its value changes so the HUD feels alive. */
.scan-hud .hud-chip {
  font: 500 10px var(--mono);
  letter-spacing: 0.14em;
  color: rgba(160, 200, 220, 0.85);
  white-space: pre;
  padding: 2px 7px;
  border-left: 1px solid rgba(126, 229, 255, 0.18);
  transition: color 280ms var(--ease), text-shadow 280ms var(--ease);
}
.scan-hud .hud-chip:empty { display: none; }
.scan-hud .hud-chip.pulse {
  color: rgba(220, 245, 255, 1);
  text-shadow:
    0 0 5px rgba(126, 229, 255, 0.85),
    0 0 12px rgba(126, 229, 255, 0.45);
}
.scan-hud .hud-chip-vp.locked {
  color: rgba(255, 200, 110, 0.95);
}
.scan-hud .hud-chip .hud-chip-key {
  color: rgba(126, 229, 255, 0.70);
  margin-right: 4px;
}

/* ─── Analyse button ───────────────────────────────────────────────── */
.analyse-btn { padding: 8px 12px; }
.analyse-btn svg {
  width: 14px; height: 14px;
  color: rgba(126, 229, 255, 0.85);
}
.analyse-btn:hover:not(:disabled) {
  border-color: rgba(126, 229, 255, 0.55);
  color: rgba(232, 244, 250, 1);
}
.analyse-btn:hover:not(:disabled) svg {
  color: rgba(180, 240, 255, 1);
}
.analyse-btn.running {
  /* Subtle breathing during analysis. The button stays disabled in this
     state — visual only. */
  border-color: rgba(126, 229, 255, 0.6);
  color: rgba(190, 240, 255, 1);
  animation: analyse-breath 1.6s ease-in-out infinite alternate;
}
@keyframes analyse-breath {
  from { box-shadow: 0 0 0 0 rgba(126, 229, 255, 0); }
  to   { box-shadow: 0 0 14px 0 rgba(126, 229, 255, 0.22); }
}

.empty {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  padding-top: 56px;
  gap: 14px;
  color: var(--paper-mute);
  text-align: center;
  pointer-events: none;
}
/* The solar system canvas is the actual visual layer, sitting under the
 * title. Title + subtitle render on top thanks to z-index. */
.empty-title,
.empty-sub {
  position: relative;
  z-index: 4;
  pointer-events: none;
}
/* .empty-glyph removed 2026-05-20 — the rotating-pyramid glyph it hosted
 * was replaced by the all-canvas solar system. Any stray DOM reference
 * with this class falls back to default browser behaviour (no styling). */

/* ─── Solar system idle hero (Daisy 2026-05-20) ─────────────────────── */
/* All-canvas dot constellation: Milky Way starfield over the entire
 * empty area, sun + 8 planet point-clouds orbiting at the centre.
 * Hover a planet → tooltip card. Click → zoom that planet into a larger
 * sparse dot-sphere (still constellation-like, never a solid ball). */
.solar-system {
  position: absolute;
  inset: 0;
  pointer-events: auto;
  user-select: none;
}
.solar-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  display: block;
  cursor: default;
}
.solar-tooltip {
  position: absolute;
  pointer-events: none;
  white-space: pre;
  font-family: var(--mono, "JetBrains Mono", monospace);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--paper, #ece7da);
  background: rgba(20, 22, 26, 0.86);
  border: 1px solid rgba(126, 229, 255, 0.22);
  border-left: 2px solid rgba(126, 229, 255, 0.85);
  padding: 10px 14px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity .14s ease;
  z-index: 10;
  min-width: 220px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transform: translate(0, -50%);
}
.solar-tooltip.show { opacity: 1; }
.solar-zoom-card {
  position: absolute;
  width: 260px;
  font-family: var(--mono, "JetBrains Mono", monospace);
  font-size: 12px;
  line-height: 1.6;
  color: var(--paper, #ece7da);
  background: rgba(20, 22, 26, 0.88);
  border: 1px solid rgba(126, 229, 255, 0.32);
  border-left: 2px solid rgba(126, 229, 255, 0.9);
  padding: 16px 18px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease .1s;
  z-index: 13;
  transform: translateY(-50%);
}
.solar-zoom-card { width: 320px; }
.solar-zoom-card h4 {
  font-family: var(--serif, "EB Garamond", serif);
  font-style: italic;
  font-size: 24px;
  color: var(--paper, #ece7da);
  letter-spacing: 0.02em;
  margin: 0 0 8px 0;
}
.solar-zoom-desc {
  font-family: var(--serif, "EB Garamond", serif);
  font-style: italic;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(236, 231, 218, 0.88);
  margin: 0 0 12px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(126, 229, 255, 0.18);
}
.solar-zoom-card dl { margin: 0; display: grid;
  grid-template-columns: 80px 1fr; gap: 3px 12px; font-size: 11px; }
.solar-zoom-card dt { color: var(--paper-mute, #9a958a);
  text-transform: uppercase; font-size: 9px; letter-spacing: 0.08em;
  align-self: start; padding-top: 1px; }
.solar-zoom-card dd { margin: 0; line-height: 1.45; }
.solar-zoom-card.show { opacity: 1; pointer-events: auto; }
.solar-zoom-card .back {
  display: inline-block; margin-top: 14px;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  cursor: pointer; color: rgba(126, 229, 255, 0.85);
  border-bottom: 1px dashed rgba(126, 229, 255, 0.5);
  pointer-events: auto;
}
.solar-zoom-card .back:hover { color: rgba(255, 255, 255, 0.95); }
/* (rotating pyramid styles removed 2026-05-20 in favour of the solar
 * system idle hero below — kept the .empty-glyph container as a base
 * since the title/subtitle layout still hangs off it.) */
.empty-title {
  font-family: var(--serif); font-style: italic;
  font-size: 28px; color: var(--paper-dim);
  letter-spacing: 0.01em;
}
.empty-sub {
  font: 400 12px/1.65 var(--sans);
  color: var(--paper-mute);
  max-width: 340px;
}
.empty-sub em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--paper-dim);
  padding: 1px 5px;
  border: 1px solid var(--graphite-4);
}

/* ─── Custom brush cursor ──────────────────────────────────────────────── */
.brush-cursor {
  position: fixed;
  width: 22px; height: 22px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 200;
  mix-blend-mode: difference;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 120ms var(--ease), transform 30ms linear;
}
.brush-cursor.visible { opacity: 1; }
.brush-cursor::before, .brush-cursor::after {
  content: ""; position: absolute;
  background: var(--accent);
}
.brush-cursor::before {
  left: 50%; top: -6px; width: 1px; height: 4px;
  transform: translateX(-50%);
}
.brush-cursor::after {
  top: 50%; left: -6px; height: 1px; width: 4px;
  transform: translateY(-50%);
}
.brush-cursor.erase { border-style: dashed; }
.brush-cursor.move {
  border: 1.5px solid var(--accent);
  background: rgba(255, 106, 61, 0.10);
}
.brush-cursor.move::before {
  /* vertical bar of the move-cross */
  left: 50%; top: -8px; width: 1.5px; height: calc(100% + 16px);
  transform: translateX(-50%);
}
.brush-cursor.move::after {
  /* horizontal bar of the move-cross */
  top: 50%; left: -8px; height: 1.5px; width: calc(100% + 16px);
  transform: translateY(-50%);
}
.brush-cursor.joint-hover {
  width: 28px; height: 28px;
  border: 2px solid var(--accent);
  background: rgba(255, 106, 61, 0.15);
}
.brush-cursor.joint-hover::before, .brush-cursor.joint-hover::after { display: none; }

/* ─── Viewport zoom indicator ──────────────────────────────────────────── */
.viewport-meta {
  position: absolute; bottom: 26px; right: 30px;
  z-index: 12;
  display: flex; align-items: stretch; gap: 1px;
  background: var(--graphite-4);
  border: 1px solid var(--graphite-4);
  font: 400 11px var(--mono);
  letter-spacing: 0.08em;
  user-select: none;
}
.vp-btn {
  background: var(--graphite-1);
  border: none;
  color: var(--paper-dim);
  padding: 5px 10px;
  cursor: pointer;
  font: inherit;
  min-width: 28px;
  transition: color var(--quick), background var(--quick);
}
.vp-btn:hover { color: var(--accent); background: var(--graphite-2); }
.vp-btn.vp-fit { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
.vp-level {
  background: var(--graphite-1);
  padding: 5px 12px;
  color: var(--paper);
  min-width: 56px;
  text-align: center;
  display: flex; align-items: center; justify-content: center;
}

/* ─── Phase bar — segmented drafting scale ─────────────────────────────── */
.phase-bar {
  position: absolute; left: 30px; right: 30px; bottom: 26px;
  z-index: 10;
  display: flex; flex-direction: column; gap: 6px;
  pointer-events: none;
  animation: phase-in 380ms var(--ease);
}
@keyframes phase-in {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.phase-segments {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--graphite-4);
  border: 1px solid var(--graphite-4);
  position: relative;
  overflow: hidden;
}
.phase-seg {
  background: var(--graphite-1);
  padding: 7px 12px;
  font: 400 9px/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
  transition: color var(--quick);
  position: relative;
  z-index: 2;
}
.phase-seg.active { color: var(--accent); }
.phase-seg.done   { color: var(--paper-dim); }
.phase-progress {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  transition: width 320ms var(--ease);
  z-index: 3;
}
.phase-meta {
  display: flex; justify-content: space-between;
  font: 400 10px/1 var(--mono); color: var(--paper-mute);
  letter-spacing: 0.08em;
  padding: 0 2px;
}
.phase-label { color: var(--paper-dim); }

/* Integrated result overlay on the main stage */
.stage-result {
  position: absolute;
  inset: 18px;
  z-index: 30;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 12px;
  padding: 12px;
  background: rgba(8, 9, 11, 0.82);
  border: var(--hairline);
  backdrop-filter: blur(10px);
  box-shadow: 0 28px 90px -30px rgba(0, 0, 0, 0.8);
}
.stage-result-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  border-bottom: var(--hairline);
  padding-bottom: 10px;
}
.stage-result-kicker {
  display: block;
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.stage-result-spec {
  display: block;
  margin-top: 5px;
  font: 400 11px/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.stage-result-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.tool.mini {
  width: 30px;
  height: 30px;
}
.tool.mini svg {
  width: 14px;
  height: 14px;
}
.stage-result img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  background: var(--graphite-0);
}

/* ─── Side panel ───────────────────────────────────────────────────────── */
.panel {
  background: var(--graphite-2);
  border-left: var(--hairline);
  display: flex; flex-direction: column;
  overflow: hidden;
  position: relative;
}
.panel::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--graphite-5) 30%, var(--graphite-5) 70%, transparent 100%);
}
.panel-section {
  padding: 20px 24px;
  border-bottom: var(--hairline);
}
.panel-section-chars {
  /* Personnages: takes the remaining vertical space and scrolls internally
     when the character list outgrows the viewport — so the user can reach
     the bottom characters without zooming the whole canvas out. */
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
}
.panel-section-bottom {
  margin-top: auto;
  border-bottom: none;
  border-top: var(--hairline);
}
.section-head {
  display: flex; align-items: baseline;
  gap: 8px;
  margin-bottom: 14px;
}
.section-num {
  font: 500 10px var(--mono);
  color: var(--accent);
  letter-spacing: 0.15em;
}
.section-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--paper);
  letter-spacing: 0.005em;
}
.section-count {
  margin-left: auto;
  font: 400 10px var(--mono);
  color: var(--paper-mute);
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border: 1px solid var(--graphite-4);
}

.tool-row { display: flex; gap: 6px; }
.tool {
  background: var(--graphite-1);
  border: 1px solid var(--graphite-4);
  color: var(--paper-dim);
  width: 36px; height: 36px;
  cursor: pointer; padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--quick);
}
.tool svg { width: 16px; height: 16px; }
.tool:hover { border-color: var(--paper-mute); color: var(--paper); }
.tool.active {
  background: var(--graphite-3);
  border-color: var(--accent);
  color: var(--accent);
}

.hint {
  font: 400 12px/1.6 var(--sans);
  color: var(--paper-mute);
  padding: 14px 16px;
  background: var(--graphite-1);
  border: 1px dashed var(--graphite-4);
  position: relative;
}
.hint-marker {
  color: var(--accent);
  margin-right: 6px;
  font-size: 11px;
}
.hint-tech {
  display: inline-block;
  font: 400 10px/1.8 var(--mono);
  letter-spacing: 0.05em;
  color: var(--paper-dim);
  margin-top: 2px;
}

.characters { display: flex; flex-direction: column; gap: 8px; }
.char-row {
  background: var(--graphite-1);
  border: 1px solid var(--graphite-4);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color var(--quick), transform var(--quick);
  animation: char-in 220ms var(--ease) backwards;
}
@keyframes char-in {
  from { transform: translateX(8px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.char-row:hover { border-color: var(--paper-mute); }
.char-row.selected {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(255, 106, 61, 0.04), transparent 100%), var(--graphite-1);
}
.char-row.active {
  box-shadow: -3px 0 0 0 var(--accent);
}
.char-row .active-dot {
  color: var(--accent);
  font-size: 9px;
  margin-right: 6px;
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.new-char-btn {
  background: transparent;
  border: 1px solid var(--graphite-4);
  color: var(--paper-dim);
  padding: 3px 8px;
  font: 500 10px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  margin-left: 6px;
  transition: all var(--quick);
}
.new-char-btn span {
  color: var(--accent);
  margin-right: 4px;
}
.new-char-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.new-char-btn.armed {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 106, 61, 0.10);
  animation: armed-pulse 1.2s ease-in-out infinite;
}
.new-char-btn.armed span {
  color: var(--accent);
}
@keyframes armed-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 106, 61, 0.6); }
  50%      { box-shadow: 0 0 0 6px rgba(255, 106, 61, 0); }
}
.char-row .head {
  display: flex; align-items: center;
  font: 500 11px var(--mono);
  letter-spacing: 0.1em;
  color: var(--paper-dim);
}
.char-row .head .num {
  font-family: var(--mono);
  color: var(--accent);
  margin-right: 8px;
}
.char-row .head .pose-tag {
  font: 400 9px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
  border: 1px solid var(--graphite-4);
  padding: 2px 6px;
}
.char-row .head .del {
  margin-left: auto;
  background: transparent; border: none;
  color: var(--paper-mute);
  cursor: pointer; font-size: 18px;
  width: 20px; height: 20px; line-height: 1;
  padding: 0;
  transition: color var(--quick);
}
.char-row .head .del:hover { color: var(--terra); }
.char-row .style-row {
  display: flex;
  align-items: stretch;
  gap: 6px;
  margin-top: 10px;
}
.char-row .style-row input[type=text] { margin-top: 0; flex: 1 1 auto; }
.char-row .style-random {
  flex: 0 0 auto;
  width: 32px;
  background: var(--graphite-1);
  border: 1px solid var(--graphite-4);
  color: var(--paper-dim);
  cursor: pointer;
  font-size: 16px; line-height: 1;
  padding: 0;
  border-radius: 2px;
  transition: transform 240ms var(--ease), border-color var(--quick),
              color var(--quick), background var(--quick);
}
.char-row .style-random:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--graphite-3);
}
.char-row .style-random.rolled {
  transform: rotate(360deg) scale(1.05);
}
.char-row input[type=text] {
  width: 100%;
  margin-top: 10px;
  background: var(--graphite-0);
  border: 1px solid var(--graphite-4);
  color: var(--paper);
  padding: 7px 9px;
  border-radius: 2px;
  font: 400 12px/1.4 var(--sans);
  transition: border-color var(--quick);
}
.char-row input[type=text]:focus {
  outline: none;
  border-color: var(--accent);
}
.char-row input[type=text]::placeholder {
  color: var(--paper-mute);
  font-style: italic;
  font-family: var(--serif);
  font-size: 13px;
}
/* Pose preset picker */
.pose-picker {
  margin-top: 10px;
  display: flex; align-items: center; gap: 8px;
}
.pose-picker-label {
  font: 500 10px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
  flex-shrink: 0;
}
.pose-select {
  flex: 1;
  background: var(--graphite-0);
  color: var(--paper);
  border: 1px solid var(--graphite-4);
  border-radius: 2px;
  padding: 5px 7px;
  font: 400 12px/1.3 var(--sans);
  cursor: pointer;
  outline: none;
  transition: border-color var(--quick);
}
.pose-select:hover, .pose-select:focus { border-color: var(--accent); }

/* Per-character scale slider */
.scale-picker {
  margin-top: 8px;
  display: flex; align-items: center; gap: 8px;
}
.scale-picker-label {
  font: 500 10px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
  flex-shrink: 0;
}
.scale-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--graphite-4);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.scale-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: grab;
  transition: transform var(--quick);
}
.scale-slider::-webkit-slider-thumb:active { transform: scale(1.15); cursor: grabbing; }
.scale-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: grab;
}
.scale-value {
  font: 500 11px var(--mono);
  color: var(--paper-dim);
  min-width: 38px;
  text-align: right;
}
.scale-reset {
  background: transparent;
  border: 1px solid var(--graphite-4);
  color: var(--paper-mute);
  width: 22px; height: 22px;
  border-radius: 2px;
  cursor: pointer;
  font: 400 11px var(--mono);
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--quick);
}
.scale-reset:hover { border-color: var(--accent); color: var(--accent); }

/* Manual limb badges */
.limb-row {
  margin-top: 8px;
  display: flex; flex-wrap: wrap; gap: 4px;
}
.limb-badge {
  font: 400 9px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 170, 90, 1);
  background: rgba(255, 170, 90, 0.08);
  border: 1px solid rgba(255, 170, 90, 0.4);
  padding: 3px 6px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--quick);
}
.limb-badge:hover {
  background: rgba(255, 170, 90, 0.18);
  border-color: rgba(255, 170, 90, 0.8);
}

/* Manual keypoint chip */
.manual-row {
  margin-top: 8px;
  display: flex; align-items: center; gap: 8px;
}
.manual-chip {
  font: 400 9px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255, 106, 61, 0.08);
  border: 1px solid rgba(255, 106, 61, 0.35);
  padding: 3px 6px;
  border-radius: 2px;
}
.manual-clear {
  background: transparent;
  border: none;
  color: var(--paper-mute);
  font: 400 9px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 3px 6px;
  transition: color var(--quick);
}
.manual-clear:hover { color: var(--terra); }

/* ─── Variant count picker (topbar) ─────────────────────────────────── */
.variant-picker {
  display: inline-flex; align-items: stretch;
  margin: 0 6px;
  border: 1px solid var(--graphite-4);
  border-radius: 2px;
  background: rgba(8, 9, 11, 0.5);
}
.variant-picker .vp-tag {
  font: 500 10px var(--mono);
  letter-spacing: 0.12em;
  color: var(--paper-mute);
  padding: 0 8px;
  align-self: center;
  border-right: 1px solid var(--graphite-4);
}
.variant-picker .vp-opt {
  background: transparent;
  border: none;
  border-right: 1px solid var(--graphite-4);
  color: var(--paper-dim);
  font: 500 11px var(--mono);
  padding: 0 9px;
  cursor: pointer;
  transition: color var(--quick), background var(--quick);
  min-width: 22px;
}
.variant-picker .vp-opt:last-child { border-right: none; }
.variant-picker .vp-opt:hover { color: var(--paper); background: rgba(255, 106, 61, 0.06); }
.variant-picker .vp-opt.active {
  color: var(--accent);
  background: rgba(255, 106, 61, 0.10);
  box-shadow: inset 0 -2px 0 0 var(--accent);
}

/* ─── Variant gallery (result panel) ────────────────────────────────── */
.variant-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-top: 8px;
}
.variant-gallery.cols-1 { grid-template-columns: 1fr; }
.variant-gallery.cols-3 { grid-template-columns: repeat(3, 1fr); }
.variant-gallery.cols-4 { grid-template-columns: repeat(2, 1fr); }
.variant-thumb {
  position: relative;
  aspect-ratio: 3 / 2;
  background: var(--graphite-2);
  border: 1px solid var(--graphite-4);
  border-radius: 2px;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--quick), transform var(--quick), box-shadow var(--quick);
}
.variant-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 240ms var(--ease);
}
.variant-thumb:hover { border-color: rgba(255, 106, 61, 0.4); transform: translateY(-1px); }
.variant-thumb:hover img { transform: scale(1.02); }
.variant-thumb.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 14px -4px rgba(255, 106, 61, 0.4);
}
.variant-thumb.loading {
  background:
    linear-gradient(90deg, transparent 0%, rgba(126,229,255,0.08) 50%, transparent 100%) var(--graphite-2);
  background-size: 200% 100%;
  animation: variant-shimmer 1.4s linear infinite;
}
@keyframes variant-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}
.variant-thumb .vthumb-tag {
  position: absolute;
  top: 4px; left: 4px;
  font: 500 9px var(--mono);
  letter-spacing: 0.18em;
  color: var(--paper);
  background: rgba(8, 9, 11, 0.7);
  padding: 2px 5px;
  border-radius: 2px;
  text-transform: uppercase;
}
.variant-thumb.selected .vthumb-tag { color: var(--accent); }
.variant-thumb .vthumb-spinner {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font: 500 9px var(--mono);
  letter-spacing: 0.18em;
  color: var(--paper-mute);
  text-transform: uppercase;
}

/* ─── Modal variant nav (carousel arrows + counter) ─────────────────── */
.variant-nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 38px; height: 56px;
  background: rgba(8, 9, 11, 0.55);
  border: 1px solid var(--graphite-4);
  color: var(--paper);
  font: 300 28px/1 var(--sans);
  cursor: pointer;
  transition: background var(--quick), border-color var(--quick), color var(--quick);
  z-index: 20;
  display: none;
  align-items: center; justify-content: center;
}
.variant-nav.show { display: flex; }
.variant-nav:hover {
  background: rgba(8, 9, 11, 0.75);
  border-color: var(--accent);
  color: var(--accent);
}
.variant-nav-prev { left: 12px; }
.variant-nav-next { right: 12px; }
.variant-counter {
  position: absolute;
  bottom: 18px; left: 50%;
  transform: translateX(-50%);
  font: 500 10px var(--mono);
  letter-spacing: 0.2em;
  color: var(--paper-dim);
  background: rgba(8, 9, 11, 0.7);
  padding: 4px 10px;
  border-radius: 2px;
  z-index: 20;
}

.ref-slot {
  margin-top: 8px;
  display: flex; align-items: center; gap: 8px;
}
.ref-add {
  background: transparent;
  border: 1px dashed var(--graphite-4);
  color: var(--paper-mute);
  padding: 5px 9px;
  border-radius: 2px;
  cursor: pointer;
  font: 400 10px var(--mono);
  letter-spacing: 0.08em;
  transition: all var(--quick);
}
.ref-add:hover { border-color: var(--accent); color: var(--accent); }
.ref-thumb {
  width: 38px; height: 38px;
  object-fit: cover;
  border: 1px solid var(--accent);
  cursor: pointer;
  filter: grayscale(0.2) contrast(1.05);
}

/* Persistent result panel */
.result-section {
  background: linear-gradient(180deg, rgba(255, 106, 61, 0.035), transparent 100%),
              var(--graphite-2);
}
.result-thumb-btn {
  width: 100%;
  padding: 0;
  border: 1px solid var(--graphite-4);
  background: var(--graphite-0);
  cursor: pointer;
  display: block;
  overflow: hidden;
  transition: border-color var(--quick);
}
.result-thumb-btn:hover {
  border-color: var(--accent);
}
.result-thumb-btn img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}
.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.result-actions .btn {
  justify-content: center;
  padding-left: 8px;
  padding-right: 8px;
}

.global-prompt label {
  display: block;
  font: 500 10px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 8px;
}
.global-prompt textarea {
  width: 100%;
  background: var(--graphite-1);
  color: var(--paper);
  border: 1px solid var(--graphite-4);
  border-radius: var(--radius);
  padding: 10px 12px;
  font: 400 12px/1.55 var(--sans);
  resize: vertical;
  min-height: 64px;
  transition: border-color var(--quick);
}
.global-prompt textarea:focus {
  outline: none;
  border-color: var(--paper-mute);
}
.global-prompt textarea::placeholder {
  color: var(--paper-mute);
  font-style: italic;
  font-family: var(--serif);
  font-size: 13px;
}

/* ─── Modal — before/after comparison ──────────────────────────────────── */
.modal {
  position: fixed; inset: 0;
  background: rgba(8, 9, 11, 0.85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  animation: modal-in 260ms var(--ease);
}
@keyframes modal-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-body {
  background: var(--graphite-1);
  border: var(--hairline);
  padding: 24px;
  max-width: 92vw; max-height: 92vh;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, 0.6);
}
.modal-head {
  display: flex; align-items: baseline; gap: 14px;
  padding-bottom: 14px;
  border-bottom: var(--hairline);
}
.modal-title {
  font-family: var(--serif); font-style: italic;
  font-size: 22px; color: var(--paper);
}
.modal-spec {
  font: 400 10px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* Comparison slider */
.compare {
  position: relative;
  max-width: 84vw;
  max-height: 70vh;
  overflow: hidden;
  background: var(--graphite-0);
}
.compare img {
  display: block;
  max-width: 84vw; max-height: 70vh;
  object-fit: contain;
}
.compare-before {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  clip-path: inset(0 50% 0 0);
  z-index: 1;
}
.compare-after {
  position: relative;
  z-index: 0;
}
.compare.no-before .compare-before,
.compare.no-before .compare-divider,
.compare.no-before .compare-tag-before,
.compare.no-before .compare-slider {
  display: none;
}
.compare-divider {
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--accent);
  z-index: 3;
  pointer-events: none;
  left: 50%;
}
.compare-divider::before, .compare-divider::after {
  content: ""; position: absolute; left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--graphite-0);
}
.compare-divider::before { top: 50%; transform: translate(-50%, -50%); }
.compare-divider::after {
  content: "↔"; top: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font: 500 14px var(--sans);
  color: var(--graphite-0);
}
.compare-slider {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 4;
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
}
.compare-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 100%; height: 100%;
  cursor: ew-resize;
}
.compare-tag {
  position: absolute;
  bottom: 12px;
  font: 400 10px var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(8, 9, 11, 0.7);
  padding: 4px 8px;
  border: 1px solid var(--graphite-4);
  z-index: 5;
  pointer-events: none;
}
.compare-tag-before { left: 12px; }
.compare-tag-after  { right: 12px; }

.modal-actions {
  display: flex; gap: 8px; justify-content: flex-end;
  padding-top: 6px;
}

/* ─── Toast notifications ──────────────────────────────────────────────── */
.toast-root {
  position: fixed; bottom: 30px; left: 30px;
  display: flex; flex-direction: column-reverse; gap: 8px;
  z-index: 1100;
  pointer-events: none;
}
.toast {
  background: var(--graphite-2);
  border: 1px solid var(--graphite-4);
  border-left: 2px solid var(--paper-dim);
  padding: 10px 16px;
  font: 400 12px/1.4 var(--sans);
  color: var(--paper-dim);
  max-width: 360px;
  animation: toast-in 240ms var(--ease);
  display: flex; flex-direction: column; gap: 2px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}
.toast.ok    { border-left-color: var(--sage); }
.toast.warn  { border-left-color: var(--amber); }
.toast.err   { border-left-color: var(--terra); }
.toast .toast-head {
  font: 500 10px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.toast.ok .toast-head    { color: var(--sage); }
.toast.warn .toast-head  { color: var(--amber); }
.toast.err .toast-head   { color: var(--terra); }
@keyframes toast-in {
  from { transform: translateX(-12px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.toast.dismiss { animation: toast-out 220ms var(--ease) forwards; }
@keyframes toast-out {
  to { transform: translateX(-12px); opacity: 0; }
}

/* ─── Selection highlight on stroke canvas (drawn via JS) ──────────────── */
.canvas-stage.selecting #strokeCanvas { cursor: none; }

/* ─── Animations: page intro stagger ───────────────────────────────────── */
.topbar > * {
  animation: stagger-in 480ms var(--ease) backwards;
}
.topbar .brand     { animation-delay: 0ms; }
.topbar #uploadBtn { animation-delay: 60ms; }
.topbar .scene-status { animation-delay: 100ms; }
.topbar .topbar-hint  { animation-delay: 200ms; }
.topbar #genBtn       { animation-delay: 260ms; }
@keyframes stagger-in {
  from { transform: translateY(-6px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.panel-section {
  animation: panel-in 520ms var(--ease) backwards;
}
.panel-section:nth-child(1) { animation-delay: 120ms; }
.panel-section:nth-child(2) { animation-delay: 200ms; }
.panel-section:nth-child(3) { animation-delay: 280ms; }
@keyframes panel-in {
  from { transform: translateX(8px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Responsive: at narrow widths, collapse the panel ────────────────── */
@media (max-width: 920px) {
  :root { --panel-w: 280px; }
  .topbar-hint { display: none; }
}
@media (max-width: 720px) {
  .workspace { grid-template-columns: 1fr; }
  .panel { display: none; }
}