/* build-choreo — hands travel stepped; objects silk (HOUSE-RESERVED)
   Spec: docs/ops/2026-08-02-HANDS-OBJECTS-MASTER-SPEC.md §3
   WO-01 additive: constraint peel, fly ghost, legend, shelf receipt */

:root {
  --peel-offset: 5px;
  --peel-stagger: 12ms;
  --peel-duration: 60ms;
  --fly-duration: 300ms;
  --fly-easing: cubic-bezier(0.22, 1, 0.36, 1);
  --constraint-color: var(--muted, #5B6373);
  --constraint-pass: var(--green, #3C7340);
  --constraint-fail: var(--coral-d, #C04A3F);
}

[data-bc-stage] {
  --bc-silk: cubic-bezier(0.32, 0.72, 0, 1);
  position: relative;
  min-height: 70vh;
  overflow: hidden;
}

[data-bc-stage] .bc-hand {
  position: absolute;
  width: min(42vw, 280px);
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
  z-index: 4;
}
[data-bc-stage] .bc-hand img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 18px 28px rgba(23, 24, 28, 0.28));
}
[data-bc-stage] .bc-hand[data-hero-pending]::after {
  content: "hand cast pending · Fable";
  display: block;
  font: 11px/1.3 system-ui, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.45;
  padding: 0.5rem 0;
}

[data-bc-stage] .bc-object {
  position: absolute;
  z-index: 3;
  transition: transform 480ms var(--bc-silk), opacity 420ms var(--bc-silk);
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  box-shadow: 0 22px 55px rgba(23, 24, 28, 0.2);
  border-radius: 12px;
  transform-origin: 50% 80%;
}

/* PAGE mode — hand arrives before object moves */
[data-bc-stage].bc-go .bc-hand-carry {
  opacity: 1;
  transition: transform 1500ms steps(8, end), opacity 300ms var(--bc-silk);
  transform: translate(0, 0);
}

/* p1 PLACE CROOKED — object settles at rest rotation ~7° (campaign law) */
[data-bc-stage].p1 .bc-hand-carry {
  opacity: 1;
  transition: transform 1400ms steps(9, end), opacity 300ms var(--bc-silk);
  transform: translate(0, 0);
}
[data-bc-stage].p1 .bc-object {
  opacity: 1;
  transform: rotate(7deg) scale(1);
  transition: transform 1700ms var(--bc-silk), opacity 420ms var(--bc-silk);
}
/* p2 rest crooked — hold */
[data-bc-stage].p2 .bc-object {
  transform: rotate(7deg) scale(1);
}
[data-bc-stage].p2 .bc-hand-receive {
  opacity: 1;
  transition: transform 1300ms steps(7, end), opacity 280ms var(--bc-silk);
  transform: translate(0, 0);
}
/* p3 LEVEL — nudge hand levels to ~2° */
[data-bc-stage].p3 .bc-object {
  transform: rotate(2deg) scale(1);
  transition: transform 900ms var(--bc-silk);
}
[data-bc-stage].p3 .bc-hand-carry {
  opacity: 0;
  transition: opacity 500ms var(--bc-silk) 300ms, transform 500ms steps(5, end);
}
/* p4 clear hands, CTA begins */
[data-bc-stage].p4 .bc-hand-receive {
  opacity: 0;
  transition: opacity 400ms var(--bc-silk);
}
[data-bc-stage].p4 .bc-cta {
  opacity: 1;
  transform: none;
  transition: opacity 320ms var(--bc-silk), transform 420ms var(--bc-silk);
}
/* p5 bump approach (press hands) — real bump motion is Fable cast + face CSS */
[data-bc-stage].p5 .bc-hand-press {
  opacity: 1;
  transition: transform 800ms steps(6, end), opacity 240ms var(--bc-silk);
  transform: translate(0, 0);
}
[data-bc-stage].p5 .bc-object {
  transform: rotate(1.8deg) scale(1);
}
[data-bc-stage].p5 .bc-cta {
  opacity: 1;
  transform: none;
}
/* p6 done — hands exit, object at rest */
[data-bc-stage].p6 .bc-hand-press {
  opacity: 0;
}
[data-bc-stage].p6 .bc-object {
  transform: rotate(1.8deg) scale(1);
}

[data-bc-stage] .bc-cta {
  opacity: 0;
  transform: translateY(8px);
}

/* default off-stage hand poses (overridden per face) */
[data-bc-stage] .bc-hand-carry { top: 12%; left: -18%; transform: translate(-40px, 20px); }
[data-bc-stage] .bc-hand-receive { bottom: 18%; right: -12%; transform: translate(40px, 10px); }
[data-bc-stage] .bc-hand-press { top: 40%; left: 42%; transform: translateY(30px); }

@media (prefers-reduced-motion: reduce) {
  [data-bc-stage] .bc-hand { display: none !important; }
  [data-bc-stage] .bc-object,
  [data-bc-stage] .bc-cta {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

@media (max-width: 480px) {
  [data-bc-stage] { min-height: 132vh; }
  [data-bc-stage] .bc-object { top: auto; bottom: 12vh; left: 50%; transform: translateX(-50%); }
}

/* ═══ WO-01 Constraint Peel + Fly + Legend + Shelf ═══ */

.constraint-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  margin: 0 auto 16px;
  max-width: 980px;
  padding: 8px 12px;
  border: 1px solid var(--line, #E6E8EE);
  border-radius: 10px;
  background: var(--bg, #fff);
  position: sticky;
  top: 64px;
  z-index: 20;
}
.constraint-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 700 12px/1.2 Inter, system-ui, sans-serif;
  color: var(--muted, #5B6373);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
}
.constraint-legend-item:hover,
.constraint-legend-item:focus-visible {
  border-color: var(--line, #E6E8EE);
  outline: none;
}
.constraint-legend-item.is-hot,
.constraint-legend-item.is-active {
  color: var(--ink, #1A1E26);
  text-decoration: underline;
  font-weight: 800;
}
.constraint-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  background: var(--constraint-color);
  flex-shrink: 0;
}
.is-blocked .constraint-dot,
.constraint-layer.is-fail .constraint-dot {
  background: var(--constraint-fail);
}
.constraint-layer.is-pass .constraint-dot {
  background: var(--constraint-pass);
}

.slot {
  position: relative;
  overflow: visible;
}
.slot .slot-time {
  display: block;
  position: relative;
  z-index: 2;
}
.slot .slot-blocked-badge,
.slot .slot-clean-badge {
  display: block;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: 3px;
  line-height: 1.2;
  position: relative;
  z-index: 2;
}
.slot .slot-clean-badge {
  color: var(--green, #3C7340);
  opacity: 0.85;
}
.slot .slot-blocked-badge {
  color: var(--muted, #5B6373);
  text-decoration: none;
}
.slot.ok .slot-blocked-badge { display: none; }
.slot.no .slot-clean-badge { display: none; }
.slot.is-assigned {
  outline: 2px dashed var(--teal, #5B9C84);
  outline-offset: 1px;
  opacity: 0.72;
}
.slot.is-dim { opacity: 0.35; }
.slot.is-dim.filter-match { opacity: 1; }

.constraint-stack {
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 4px;
  height: 14px;
  pointer-events: none;
  z-index: 1;
}
.constraint-layer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line, #E6E8EE);
  font-size: 9px;
  font-weight: 700;
  color: var(--muted, #5B6373);
  opacity: 0;
  transform: translateY(0);
  transition: transform var(--peel-duration) var(--fly-easing), opacity var(--peel-duration) var(--fly-easing);
  will-change: transform, opacity;
}
.constraint-layer .constraint-lab {
  overflow: hidden;
  text-overflow: ellipsis;
}
.constraint-stack.is-peeled .constraint-layer {
  opacity: 1;
}
.constraint-stack.is-peeled .constraint-layer:nth-child(1) {
  transform: translateY(calc(var(--peel-offset) * -4));
  transition-delay: calc(var(--peel-stagger) * 0);
}
.constraint-stack.is-peeled .constraint-layer:nth-child(2) {
  transform: translateY(calc(var(--peel-offset) * -3));
  transition-delay: calc(var(--peel-stagger) * 1);
}
.constraint-stack.is-peeled .constraint-layer:nth-child(3) {
  transform: translateY(calc(var(--peel-offset) * -2));
  transition-delay: calc(var(--peel-stagger) * 2);
}
.constraint-stack.is-peeled .constraint-layer:nth-child(4) {
  transform: translateY(calc(var(--peel-offset) * -1));
  transition-delay: calc(var(--peel-stagger) * 3);
}
.constraint-stack.is-peeled .constraint-layer:nth-child(5) {
  transform: translateY(0);
  transition-delay: calc(var(--peel-stagger) * 4);
}
.constraint-stack.is-instant .constraint-layer {
  transition: none !important;
}

.worker-assignment {
  display: grid;
  gap: 8px;
  margin: 4px 0 12px;
  padding: 12px;
  border: 1.5px solid var(--line, #E6E8EE);
  border-radius: 12px;
  background: var(--slate-t, #EEF1F6);
}
.worker-assignment .assigned-worker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 14px;
  color: var(--ink, #1A1E26);
}
.worker-assignment .assigned-worker::before {
  content: '';
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--coral-d);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  /* initial via attr not reliable; solid avatar mark */
  box-shadow:  0 0 0 1px rgba(255,255,255,.2);
  background-image: none;
}
.worker-assignment .wa-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.worker-assignment .confirm-assign,
.worker-assignment .undo-assign {
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  border-radius: 9px;
  cursor: pointer;
  border: 1.5px solid transparent;
}
.worker-assignment .confirm-assign {
  background: var(--coral-d);
  color: #fff;
}
.worker-assignment .undo-assign {
  background: #fff;
  border-color: var(--line, #E6E8EE);
  color: var(--muted, #5B6373);
}

.mini-shelf {
  max-width: 980px;
  margin: 22px auto 0;
  border: 1.5px solid var(--line, #E6E8EE);
  border-radius: 14px;
  background: var(--bg, #fff);
  padding: 14px 16px 16px;
}
.mini-shelf-h {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink, #1A1E26);
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.mini-shelf-hint {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted, #5B6373);
}
.mini-shelf-col {
  min-height: 64px;
  border-radius: 10px;
  border: 1px dashed var(--teal, #5B9C84);
  background: var(--green-t, #E9F2E7);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shelf-empty {
  font-size: 12.5px;
  color: var(--muted, #5B6373);
  font-weight: 600;
  padding: 8px;
}
.shelf-card {
  background: #fff;
  border: 1px solid var(--line, #E6E8EE);
  border-radius: 10px;
  padding: 10px 12px;
  box-shadow: var(--shadow-sm, 0 8px 22px -12px rgba(30,40,60,.18));
}
.shelf-card-title {
  font-weight: 800;
  font-size: 13.5px;
}
.shelf-card-meta {
  font-size: 12px;
  color: var(--muted, #5B6373);
  font-weight: 600;
  margin-top: 2px;
}
.shelf-via {
  margin-top: 6px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted, #5B6373);
  opacity: 0.85;
}
.shelf-receipt {
  margin-top: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--green, #3C7340);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity var(--peel-duration) var(--fly-easing), transform var(--peel-duration) var(--fly-easing);
}
.shelf-receipt.is-show {
  opacity: 1;
  transform: translateY(0);
}
.shelf-receipt .receipt-undo {
  margin-left: 6px;
  font: inherit;
  font-size: 11px;
  font-weight: 800;
  color: var(--coral-d, #C04A3F);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}

#fly-ghost-layer {
  position: fixed;
  top:0;right:0;bottom:0;left:0;
  pointer-events: none;
  z-index: 99;
}
.fly-ghost {
  position: fixed;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  will-change: transform, opacity;
  z-index: 10000;
}

.sr-only,
#cohort-live.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .constraint-layer,
  .fly-ghost,
  .shelf-receipt {
    transition: none !important;
    animation: none !important;
  }
  .constraint-stack.is-peeled .constraint-layer {
    transform: none;
    opacity: 1;
  }
}