/* Layout: one full-screen stage. The field (step 1) and the shop counter (steps 2-3) are stacked layers;
   the "tap to begin" screen sits on top until the first tap. Restart (left) and the sound and controls buttons (right) stay at the top. */
:root {
  --bg: #ebebeb;
  --ui: #5f5f5f;
  --hover: #dedede;
  --btn-bg: rgba(255, 255, 255, 0.72);
  --ring: rgba(95, 95, 95, 0.42);

  /* bell */
  --base: #3c3c3c;
  --dome: #6e6e6e;
  --hi: #c8c8c8;
  --plunger: #2b2b2b;

  /* counter and till */
  --line: #1a1a1a;
  --c-floor: rgba(0, 0, 0, 0.14);
  --c-surf-a: #e4e4e4;
  --c-surf-b: #b8b8b8;
  --c-topsheen: rgba(255, 255, 255, 0.28);
  --c-rail: #2e2e2e;
  --c-railline: #bdbdbd;
  --c-front-a: #6b6b6b;
  --c-front-b: #4a4a4a;
  --c-panel-a: #8a8a8a;
  --c-panel-b: #717171;
  --c-inset: #e0e0e0;
  --c-handle: #e8e8e8;
  --c-base: #222;
  --t-body: #9a9a9a;
  --t-interior: #3a3a3a;
  --t-comp: #dcdcdc;
  --t-label: #222;
  --t-lip: #b0b0b0;
  --t-pull: #2a2a2a;
  --t-pullhi: #777;
  --t-gloss: 0.4;

  /* flower controls panel */
  --p-bg: #f7f7f7;
  --p-ink: #2b2b2b;
  --p-muted: #6b6b6b;
  --p-line: #cfcfcf;
  --p-field: #ffffff;

  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141414;
    --ui: #a0a0a0;
    --hover: #242424;
    --btn-bg: rgba(20, 20, 20, 0.72);
    --ring: rgba(200, 200, 200, 0.38);
    --base: #8a8a8a;
    --dome: #bdbdbd;
    --hi: #f4f4f4;
    --plunger: #e4e4e4;
    --line: #050505;
    --c-floor: rgba(0, 0, 0, 0.5);
    --c-surf-a: #4a4a4a;
    --c-surf-b: #303030;
    --c-topsheen: rgba(255, 255, 255, 0.07);
    --c-rail: #1c1c1c;
    --c-railline: #5a5a5a;
    --c-front-a: #2e2e2e;
    --c-front-b: #222;
    --c-panel-a: #3d3d3d;
    --c-panel-b: #333;
    --c-inset: #555;
    --c-handle: #8a8a8a;
    --c-base: #0c0c0c;
    --t-body: #555;
    --t-interior: #1c1c1c;
    --t-comp: #4a4a4a;
    --t-label: #e8e8e8;
    --t-lip: #626262;
    --t-pull: #141414;
    --t-pullhi: #4a4a4a;
    --t-gloss: 0.12;
    --p-bg: #1d1d1d;
    --p-ink: #e2e2e2;
    --p-muted: #9a9a9a;
    --p-line: #3a3a3a;
    --p-field: #262626;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141414;
  --ui: #a0a0a0;
  --hover: #242424;
  --btn-bg: rgba(20, 20, 20, 0.72);
  --ring: rgba(200, 200, 200, 0.38);
  --base: #8a8a8a;
  --dome: #bdbdbd;
  --hi: #f4f4f4;
  --plunger: #e4e4e4;
  --line: #050505;
  --c-floor: rgba(0, 0, 0, 0.5);
  --c-surf-a: #4a4a4a;
  --c-surf-b: #303030;
  --c-topsheen: rgba(255, 255, 255, 0.07);
  --c-rail: #1c1c1c;
  --c-railline: #5a5a5a;
  --c-front-a: #2e2e2e;
  --c-front-b: #222;
  --c-panel-a: #3d3d3d;
  --c-panel-b: #333;
  --c-inset: #555;
  --c-handle: #8a8a8a;
  --c-base: #0c0c0c;
  --t-body: #555;
  --t-interior: #1c1c1c;
  --t-comp: #4a4a4a;
  --t-label: #e8e8e8;
  --t-lip: #626262;
  --t-pull: #141414;
  --t-pullhi: #4a4a4a;
  --t-gloss: 0.12;
  --p-bg: #1d1d1d;
  --p-ink: #e2e2e2;
  --p-muted: #9a9a9a;
  --p-line: #3a3a3a;
  --p-field: #262626;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--ui);
  font: 14px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

#stage { position: fixed; inset: 0; overflow: hidden; }

/* ---------- layers ---------- */
.layer {
  position: absolute;
  inset: 0;
  padding: calc(80px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px))
           max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  opacity: 0;
  visibility: hidden;
}
.fit { position: relative; width: 100%; height: 100%; }
#fieldFit canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}
#scene {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}
.art { pointer-events: none; }

/* ---------- starting state ---------- */
.intro {
  z-index: 5;
  display: grid;
  place-items: center;
  border: 0;
  background: var(--bg);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.intro:focus-visible { outline: none; }
.intro:focus-visible .pulse { border-color: var(--ui); }
.pulse {
  width: 120px;
  height: 120px;
  border: 2px solid var(--ring);
  border-radius: 50%;
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.55); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* scene-change rings */
.ring {
  position: absolute;
  z-index: 6;
  border-radius: 50%;
  border: 2px solid var(--ring);
  pointer-events: none;
  opacity: 0;
}

/* the bouquet in flight between the field and the counter */
#carry {
  position: absolute;
  z-index: 4;
  overflow: visible;
  pointer-events: none;
  transform-origin: 0 0;
  visibility: hidden;
}

/* ---------- buttons ---------- */
.corner, .replay {
  position: absolute;
  z-index: 8;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1.5px solid var(--ui);
  border-radius: 50%;
  background: var(--btn-bg);
  color: var(--ui);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.corner {
  top: calc(12px + env(safe-area-inset-top, 0px));
  width: 52px;
  height: 52px;
  border-width: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
  transition: background-color 0.2s, box-shadow 0.2s;
}
.corner.left { left: max(12px, env(safe-area-inset-left, 0px)); }
.corner.right { right: max(12px, env(safe-area-inset-right, 0px)); }
.corner:hover { background: var(--hover); }
.corner:focus-visible, .replay:focus-visible { outline: 2px solid var(--ui); outline-offset: 3px; }
.corner svg { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
#mute .spk { fill: currentColor; }
#mute .off { display: none; }
#mute[aria-pressed="false"] .on { display: none; }
#mute[aria-pressed="false"] .off { display: inline; }

/* labelled buttons: sound (far right) and the step's controls beside it */
.pill {
  width: auto;
  min-width: 52px;
  gap: 8px;
  padding: 0 18px 0 14px;
  border-radius: 26px;
  font: 600 15px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  white-space: nowrap;
}
.corner.pill { display: inline-flex; align-items: center; justify-content: center; }
#mute { width: 136px; }
#mute .lbl.on { display: inline; }
#mute[aria-pressed="false"] .lbl.on { display: none; }
.lbl.short { display: none; }
@media (max-width: 480px) {
  .lbl.long { display: none; }
  .lbl.short { display: inline; }
  #mute { width: 124px; padding: 0 12px; font-size: 14px; }
  .ctl-toggle { font-size: 14px; }
}

.replay {
  left: 50%;
  top: 26%;   /* the empty space above the counter, where the till was */
  width: 56px;
  height: 56px;
  margin-left: -28px;
  opacity: 0;
  visibility: hidden;
}
.replay:hover { background: var(--hover); }
.replay svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- bell ---------- */
.b-base { fill: var(--base); }
.b-dome { fill: var(--dome); }
.b-hi { fill: none; stroke: var(--hi); stroke-width: 8; stroke-linecap: round; }
.b-plunger { fill: var(--plunger); }
.bell { outline: none; -webkit-tap-highlight-color: transparent; }
.bell .hit { pointer-events: visiblePainted; cursor: pointer; }
.bell.off { pointer-events: none; }
.bell.off .hit { pointer-events: none; cursor: default; }
.bell:focus-visible .b-dome { stroke: var(--ui); stroke-width: 3; }
/* bell controls: a white bell gets a thin edge so it reads against the light background;
   with metallic shine off the highlight is hidden */
.b-dome, .b-base { stroke: var(--bell-edge, none); stroke-width: 1.5; }
.b-glint { fill: #fff; transform: skewX(-18deg); transform-box: fill-box; transform-origin: center; pointer-events: none; }
.bell.flat .b-hi, .bell.flat .b-glint { display: none; }

/* ---------- counter and till colours ---------- */
.ln { stroke: var(--line); }
.st-surf-a { stop-color: var(--c-surf-a); }
.st-surf-b { stop-color: var(--c-surf-b); }
.st-front-a { stop-color: var(--c-front-a); }
.st-front-b { stop-color: var(--c-front-b); }
.st-panel-a { stop-color: var(--c-panel-a); }
.st-panel-b { stop-color: var(--c-panel-b); }
.st-gloss { stop-color: #fff; stop-opacity: var(--t-gloss); }
.c-floor { fill: var(--c-floor); }
.c-topsheen { fill: var(--c-topsheen); }
.c-rail { fill: var(--c-rail); }
.c-railline { stroke: var(--c-railline); }
.c-inset { stroke: var(--c-inset); }
.c-handle { fill: var(--c-handle); }
.c-base { fill: var(--c-base); }
.t-body { fill: var(--t-body); }
.t-interior { fill: var(--t-interior); }
.t-comp { fill: var(--t-comp); }
.t-label { fill: var(--t-label); }
.t-lip { fill: var(--t-lip); }
.t-pull { fill: var(--t-pull); }
.t-pullhi { fill: var(--t-pullhi); }

/* ---------- money (from the Collect Money study) ---------- */
.item { cursor: grab; filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .35)); }
.item.idle { animation: breathe 3.2s ease-in-out infinite; }
.item.hint { animation: hintPulse 1s ease-in-out infinite; }
.item.drag { cursor: grabbing; animation: none; filter: drop-shadow(0 14px 10px rgba(0, 0, 0, .3)) drop-shadow(0 0 10px rgba(255, 255, 255, .95)); }
.item.landed { cursor: default; animation: none; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .4)); }
@keyframes breathe {
  0%, 100% { filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .35)); }
  50% { filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .35)) drop-shadow(0 0 7px rgba(255, 255, 255, .9)); }
}
@keyframes hintPulse {
  0%, 100% { filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .35)) drop-shadow(0 0 3px rgba(255, 255, 255, .6)); }
  50% { filter: drop-shadow(0 6px 6px rgba(0, 0, 0, .3)) drop-shadow(0 0 14px rgba(255, 255, 255, 1)); }
}

/* slot lights */
.halo { fill: #fff; opacity: 0; filter: url(#halo); transition: opacity .25s ease; }
.lit { fill: #fff; opacity: 0; transition: opacity .25s ease; }
.slot.hot .halo { opacity: .95; }
.slot.hot .lit { opacity: .55; }
.slot.hint .halo { animation: haloPulse 1s ease-in-out infinite; }
.slot.hint .lit { animation: litPulse 1s ease-in-out infinite; }
.slot.pop .halo { animation: pop .75s ease-out; }
@keyframes haloPulse { 0%, 100% { opacity: .1; } 50% { opacity: .95; } }
@keyframes litPulse { 0%, 100% { opacity: 0; } 50% { opacity: .5; } }
@keyframes pop { 0% { opacity: 1; } 100% { opacity: 0; } }

/* a fresh pile arrives */
#items.arriving { animation: fadeIn .5s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* completion sheen */
.sheen { opacity: 0; transform: translateX(-260px) skewX(-20deg); }
.done .sheen { animation: sweep 1.4s ease-in-out .9s both; }
@keyframes sweep {
  0% { transform: translateX(-260px) skewX(-20deg); opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { transform: translateX(1000px) skewX(-20deg); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .pulse { animation: none; opacity: 1; transform: scale(0.8); }
  .item.idle, .item.hint, .slot.hint .halo, .slot.hint .lit, .slot.pop .halo, .done .sheen { animation: none; }
  .slot.hint .halo { opacity: .9; }
  .slot.hint .lit { opacity: .45; }
}

/* ---------- flower controls (Pick step only) ---------- */
/* the controls button is filled and pulses a few times when its step begins, so it is easy to find */
.corner.ctl-toggle {
  display: none;
  right: calc(max(12px, env(safe-area-inset-right, 0px)) + 136px + 10px);
  background: var(--p-ink);
  border-color: var(--p-ink);
  color: var(--p-bg);
}
#stage[data-step="pick"] #panelToggle, #stage[data-step="ring"] #bellToggle, #stage[data-step="collect"] #tableToggle {
  display: inline-flex;
  animation: attn 1.6s ease-out 0.4s 4;
}
.corner.ctl-toggle:hover { background: var(--p-ink); box-shadow: 0 0 0 4px var(--ring); }
.corner.ctl-toggle[aria-expanded="true"] { animation: none; box-shadow: 0 0 0 4px var(--ring); }
@keyframes attn {
  0% { box-shadow: 0 0 0 0 var(--ring), 0 2px 8px rgba(0, 0, 0, 0.14); }
  100% { box-shadow: 0 0 0 18px transparent, 0 2px 8px rgba(0, 0, 0, 0.14); }
}
@media (max-width: 480px) {
  .corner.ctl-toggle { right: calc(max(12px, env(safe-area-inset-right, 0px)) + 124px + 8px); }
}
@media (prefers-reduced-motion: reduce) {
  #stage[data-step="pick"] #panelToggle, #stage[data-step="ring"] #bellToggle, #stage[data-step="collect"] #tableToggle { animation: none; }
}
.panel {
  position: absolute;
  z-index: 9;
  top: calc(76px + env(safe-area-inset-top, 0px));
  right: max(12px, env(safe-area-inset-right, 0px));
  width: min(300px, calc(100vw - 24px));
  max-height: calc(100% - 92px - env(safe-area-inset-top, 0px));
  display: flex;
  flex-direction: column;
  border: 1px solid var(--p-line);
  border-radius: 12px;
  background: var(--p-bg);
  color: var(--p-ink);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  font-size: 13px;
  line-height: 1.35;
  -webkit-user-select: text;
  user-select: text;
}
.panel[hidden], #stage:not([data-step="pick"]) #flowerPanel, #stage:not([data-step="ring"]) #bellPanel,
#stage:not([data-step="collect"]) #tablePanel { display: none; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 10px 8px 14px;
  border-bottom: 1px solid var(--p-line);
}
.panel h2 { margin: 0; font-size: 14px; font-weight: 600; }
.panel button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 1px solid var(--p-line);
  border-radius: 8px;
  background: var(--p-field);
  -webkit-tap-highlight-color: transparent;
}
.panel button:hover { border-color: var(--p-muted); }
.panel button:focus-visible, .panel input:focus-visible, .panel select:focus-visible, .panel textarea:focus-visible {
  outline: 2px solid var(--p-ink);
  outline-offset: 2px;
}
.panel-close { width: 30px; height: 30px; padding: 0; display: grid; place-items: center; }
.panel-close svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.panel-body { overflow-y: auto; padding: 4px 14px 8px; }
.group { margin: 0; padding: 10px 0 6px; border: 0; border-bottom: 1px solid var(--p-line); }
.group:last-child { border-bottom: 0; }
.group legend {
  padding: 0;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--p-muted);
}
.ctl { display: block; margin: 0 0 10px; }
.ctl.off { opacity: 0.45; }
.ctl .line { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.ctl output { font-variant-numeric: tabular-nums; color: var(--p-muted); }
.ctl input[type="range"] { width: 100%; margin: 0; accent-color: var(--p-ink); }
.ctl .ends { display: flex; justify-content: space-between; font-size: 11px; color: var(--p-muted); font-variant-numeric: tabular-nums; }
.ctl select {
  width: 100%;
  min-height: 32px;
  padding: 4px 8px;
  font: inherit;
  color: inherit;
  border: 1px solid var(--p-line);
  border-radius: 8px;
  background: var(--p-field);
}
.swatches { display: inline-flex; gap: 4px; }
.swatch { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--p-line); }
.swatch.gray { background: linear-gradient(90deg, #8f8f8f 50%, #dcdcdc 50%); }

/* on/off switch */
.switch { display: flex; align-items: center; justify-content: space-between; min-height: 28px; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch .track {
  position: relative;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--p-line);
  transition: background 0.15s;
  flex: none;
}
.switch .track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--p-field);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s;
}
.switch input:checked + .track { background: var(--p-ink); }
.switch input:checked + .track::after { transform: translateX(16px); }
.switch input:focus-visible + .track { outline: 2px solid var(--p-ink); outline-offset: 2px; }

.panel-foot { padding: 10px 14px 12px; border-top: 1px solid var(--p-line); display: grid; gap: 8px; }
.panel-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.panel-foot button { min-height: 34px; padding: 6px 8px; }
.panel-foot .primary { background: var(--p-ink); color: var(--p-bg); border-color: var(--p-ink); }
.panel-manual {
  width: 100%;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: inherit;
  background: var(--p-field);
  border: 1px solid var(--p-line);
  border-radius: 8px;
  padding: 6px;
  resize: vertical;
}
.panel-manual[hidden] { display: none; }
.panel-status { margin: 0; min-height: 1.35em; font-size: 12px; color: var(--p-muted); }

/* on wide screens the field makes room for the open panel instead of being covered by it */
@media (min-width: 720px) {
  #stage.panel-open #fieldLayer,
  #stage.bellpanel-open #shopLayer,
  #stage.tablepanel-open #shopLayer { padding-right: calc(300px + 28px + env(safe-area-inset-right, 0px)); }
}
.panel-note { margin: 0; padding: 8px 14px 0; font-size: 12px; color: var(--p-muted); }

/* table controls: tree-ring grain drawn over the counter; only shown for wood finishes with grain on */
.grain { display: none; fill: url(#grain); pointer-events: none; }
#scene.grain-on .grain { display: inline; }
.gr { fill: none; stroke: var(--wood-grain, transparent); stroke-width: 1.4; stroke-linecap: round; opacity: 0.55; }

/* shop background picture (table controls); dimmed in dark mode */
.shop-bg {
  position: absolute;
  inset: 0;
  background: center bottom / cover no-repeat;
  pointer-events: none;
}
#shopLayer .fit { z-index: 1; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .shop-bg { filter: brightness(0.55) saturate(0.85); }
}
:root[data-theme="dark"] .shop-bg { filter: brightness(0.55) saturate(0.85); }