/* Reference card, colour-stage region dots and the green finish button. Values: design-tokens.json pt-ref-*, pt-done-*, kid-motion-*.
   The thumbnail is always on the board (taped paper card); a tap opens the card in the corner. Groups are separated by space only. */

/* ---- Thumbnail: lives at the head of the flow capsule (v5-board.css); the back button stands alone at top left ---- */
#flowReferenceArt{display:block;width:100%;height:100%;pointer-events:none}
#flowReferenceArt :is(img,svg){display:block;width:100%;height:100%;object-fit:contain}

/* ---- Card ---- */
#flowRefCard{position:fixed;z-index:calc(var(--kid-z-hud) + 1);left:50%;translate:-50% 0;top:calc(max(var(--pt-v5-top),env(safe-area-inset-top)) + var(--pt-flow-inner) + 2 * var(--pt-flow-pad) + var(--pt-v5-gap-flow) + var(--pt-flow-edge));width:var(--pt-ref-card-w);max-width:calc(100vw - 2 * var(--pt-v5-side));box-sizing:border-box;display:flex;flex-direction:column;gap:var(--pt-space-control);padding:var(--pt-space-control);border-radius:var(--kid-shape-polaroid);background:var(--pt-v5-chip);box-shadow:var(--pt-v5-chip-lift);animation:ref-card-in var(--kid-motion-sheet) var(--kid-motion-ease-out)}
#flowRefCard[hidden]{display:none}
@keyframes ref-card-in{from{opacity:0;transform:translateY(calc(-1 * var(--pt-tray-sheet-shift)))}}
@media(max-width:760px){#flowRefCardArt{height:min(calc(var(--pt-ref-card-w-sm) - 2 * var(--pt-space-control)),calc(100dvh - var(--pt-ref-card-chrome)))}#flowRefCard{top:calc(max(var(--pt-v5-top-sm),env(safe-area-inset-top)) + var(--pt-flow-inner-sm) + 2 * var(--pt-flow-pad-sm) + var(--pt-v5-gap-flow) + var(--pt-flow-edge));width:var(--pt-ref-card-w-sm)}}
#flowRefCard header{display:flex;align-items:center;justify-content:space-between;gap:var(--pt-space-compact)}
#flowRefCard button{display:grid;place-items:center;min-width:0;min-height:0;padding:0;border:0;background:transparent;color:var(--pt-v5-ink);font:inherit;cursor:pointer;touch-action:manipulation}
#flowRefCard :focus-visible{outline:var(--pt-depth-sm) solid var(--pt-v5-leaf);outline-offset:var(--pt-depth-sm)}
#flowRefReplay{flex:1 1 auto;display:flex!important;align-items:center;justify-content:center;gap:var(--pt-space-compact);height:var(--pt-tray-chip);padding:0 var(--pt-space-control)!important;border-radius:var(--kid-shape-round);background:var(--pt-v5-ink)!important;color:var(--pt-v5-tip-ink)!important;box-shadow:0 var(--pt-flow-edge) 0 var(--pt-dial-chip-on-edge);font-size:var(--kid-font-size-label);font-weight:800;white-space:nowrap}
#flowRefReplay[hidden]{display:none!important}
#flowRefReplay svg{width:14px;height:14px;fill:currentColor}
#flowRefReplay:active{transform:translateY(var(--pt-v5-press));box-shadow:0 1px 0 var(--pt-dial-chip-on-edge)}
#flowRefCard header{justify-content:flex-end}
#flowRefClose{flex:none;width:var(--pt-tray-chip);height:var(--pt-tray-chip);border-radius:var(--kid-shape-round);background:var(--pt-v5-pip-todo)!important}
#flowRefClose svg{width:var(--pt-v5-icon);height:var(--pt-v5-icon);fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round}
#flowRefCardArt{height:min(calc(var(--pt-ref-card-w) - 2 * var(--pt-space-control)),calc(100dvh - var(--pt-ref-card-chrome)));border-radius:var(--pt-space-compact);background:var(--pt-v5-paper);overflow:hidden}
#flowRefCardArt :is(img,svg){display:block;width:100%;height:100%;object-fit:contain}
#flowRefHide{display:flex!important;align-items:center;justify-content:flex-start;gap:var(--pt-space-control);height:var(--pt-tray-chip);font-size:var(--kid-font-size-label);font-weight:700}
.ref-switch{position:relative;flex:none;width:var(--pt-ref-switch-w);height:var(--pt-ref-switch-h);border-radius:var(--kid-shape-round);background:var(--pt-v5-chip-edge);transition:background var(--kid-motion-fast) var(--kid-motion-ease-out)}
.ref-switch i{position:absolute;left:var(--pt-space-island);top:var(--pt-space-island);width:calc(var(--pt-ref-switch-h) - 2 * var(--pt-space-island));height:calc(var(--pt-ref-switch-h) - 2 * var(--pt-space-island));border-radius:var(--kid-shape-round);background:var(--pt-v5-chip);box-shadow:var(--pt-v5-chip-lift);transition:transform var(--kid-motion-mid) var(--kid-motion-ease-out)}
#flowRefHide[aria-checked=true] .ref-switch{background:var(--pt-v5-leaf)}
#flowRefHide[aria-checked=true] .ref-switch i{transform:translateX(calc(var(--pt-ref-switch-w) - var(--pt-ref-switch-h)))}
@media(prefers-reduced-motion:reduce){#flowRefCard,#flowRefCard *{transition:none!important;animation:none!important}}
[data-motion=reduced] :is(#flowRefCard,#flowRefCard *){transition:none!important;animation:none!important}

/* ---- Hide the faint guide: picture outline, letter steps and oracle reference share one switch ---- */
#app[data-ref-hidden=true] #traceOutline :is(path[data-trace],.trace-start,.trace-end){visibility:hidden}

/* ---- 画好了: a green button; wide screens show the words, phones a round check ---- */
#flowSteps #flowDone{display:inline-flex;align-items:center;justify-content:center;gap:var(--pt-space-control);width:auto;min-width:var(--fn);height:var(--fn);padding:0 var(--pt-done-pad);border-radius:var(--kid-shape-round);rotate:0deg;background:var(--pt-v5-leaf);color:var(--pt-v5-tip-ink);box-shadow:var(--pt-done-shadow)}
#flowSteps #flowDone[hidden]{display:none}
#flowSteps #flowDone #flowNextLabel{position:static;clip-path:none;width:auto;height:auto;overflow:visible;font-size:var(--kid-font-size-label);font-weight:800;line-height:1;white-space:nowrap}
#flowSteps #flowDone #flowNextIcon{display:grid;place-items:center}
#flowSteps #flowDone:active:not(:disabled){transform:translateY(var(--pt-v5-press));box-shadow:none}
#flowSteps #flowDone[data-ready=true]{background:var(--pt-v5-leaf);box-shadow:var(--pt-done-shadow),0 0 0 var(--pt-depth-sm) var(--pt-v5-pip-done)}
@media(max-width:760px){
 #flowSteps #flowDone{width:var(--fn);min-width:0;height:var(--fn);padding:0;border-radius:var(--kid-shape-round)}
 #flowSteps #flowDone #flowNextLabel{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
}

/* ---- Region dots (colour stage): one small crayon-coloured dot inside each region; never takes input, follows the board's zoom and pan.
   The dot keeps its on-screen size (--region-inv is 1 / zoom, set with the board view). Values: pt-region-dot-*. ---- */
#regionDots{position:absolute;inset:0;pointer-events:none;overflow:visible;transition:opacity var(--kid-motion-release) var(--kid-motion-ease-out)}
#regionDots[data-on=false],#app[data-ref-hidden=true] #regionDots{display:none}
#regionDots[data-quiet=true]{opacity:var(--pt-region-dot-quiet)}
#regionDots .region-dot{scale:var(--region-inv,1);opacity:var(--pt-region-dot-opacity);pointer-events:none}
#regionDots .region-dot[data-painted=true]{opacity:var(--pt-region-dot-painted-opacity)}
#regionDots .region-dot-ring{fill:var(--pt-v5-chip)}
#regionDots .region-dot-core{fill:var(--dot)}
@media(prefers-reduced-motion:reduce){#regionDots{transition:none}}
[data-motion=reduced] #regionDots{transition:none}