:root {
  color-scheme:light;
  font-family:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:#404040;
  background:#f7f2e8;
}

* {
  box-sizing:border-box;
}

html,body {
  overscroll-behavior:none;
}

body {
  margin:0;
}

button {
  font:inherit;
  cursor:pointer;
  touch-action:manipulation;
}

button:focus-visible,a:focus-visible {
  outline:3px solid #ef812a;
  outline-offset:3px;
}

.shelf {
  min-height:100vh;
  padding:calc(24px + env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) calc(28px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));
  text-align:center;
}

.shelf h1 {
  font-size:clamp(2rem,5vw,3.2rem);
  margin:20px 0 26px;
}

.shelf h2 {
  font-size:clamp(1.7rem,4vw,2.6rem);
  margin:12px 0;
}

.cards {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:18px;
  max-width:980px;
  margin:0 auto;
}

.card {
  background:#fffaf2;
  border:2px solid #e3dacf;
  border-radius:24px;
  box-shadow:0 6px 18px #55432616;
  padding:14px 16px 18px;
  color:inherit;
  min-width:220px;
  max-width:290px;
  flex:1 1 220px;
  transition:transform .18s,box-shadow .18s;
}

.card:hover {
  transform:translateY(-3px);
  box-shadow:0 10px 20px #55432622;
}

.card canvas {
  display:block;
  width:100%;
  height:190px;
  object-fit:contain;
  border-radius:14px;
}

.card strong {
  display:block;
  font-size:1.35rem;
  margin-top:12px;
}

.card small {
  display:block;
  margin-top:4px;
  font-size:.95rem;
}

.back {
  background:#fffaf2;
  border:1px solid #ddcdbd;
  border-radius:14px;
  padding:10px 16px;
  color:#404040;
}

.shelf>.back {
  display:block;
  margin:0 auto 8px max(0px,calc((100vw - 900px)/2));
}

.shelf footer {
  margin-top:42px;
  font-size:.85rem;
  color:#69615a;
}

.error {
  margin:20vh auto;
  text-align:center;
}

.go,.done {
  border:0;
  border-radius:15px;
  padding:13px 24px;
  font-weight:700;
}

.go {
  background:#bf5400;
  color:white;
}

.done {
  background:#fff7ec;
  color:#404040;
  border:1px solid #d7c9bb;
}

.game {
  position:fixed;
  inset:0;
  display:grid;
  grid-template-columns:64px minmax(0,1fr) 146px;
  background:#f7f2e8;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overflow:hidden;
  overscroll-behavior:none;
  user-select:none;
  -webkit-user-select:none;
  -webkit-touch-callout:none;
}

.controls {
  grid-column:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  padding:10px 4px;
}

.icon {
  border:0;
  background:#fff8ee;
  border-radius:13px;
  width:48px;
  height:48px;
  font-size:24px;
  color:#404040;
}

.icon svg {
  width:24px;
  height:24px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.canvas-wrap {
  grid-column:2;
  position:relative;
  min-width:0;
  min-height:0;
  overflow:hidden;
  background:#dbdbdb;
}

.board {
  display:block;
  width:100%;
  height:100%;
  touch-action:none;
}

.hint {
  position:absolute;
  top:12px;
  left:50%;
  transform:translateX(-50%);
  background:#fff9ef;
  padding:9px 14px;
  border-radius:16px;
  box-shadow:0 3px 10px #3332;
  white-space:nowrap;
  pointer-events:none;
  font-weight:600;
  font-size:14px;
}

.side {
  grid-column:3;
  display:flex;
  flex-direction:column;
  min-height:0;
  padding:6px;
  background:#f7f2e8;
  gap:6px;
}

.topcards {
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
}

.next {
  flex:none;
  display:grid;
  place-items:center;
  width:64px;
  height:64px;
  background:#fff9ee;
  border:3px solid #ed862a;
  border-radius:14px;
  font-size:32px;
  font-weight:800;
}

.reference {
  width:100%;
  max-height:110px;
  object-fit:contain;
  background:#fff9ee;
  border:1px solid #ddd3c6;
  border-radius:10px;
}

.tray {
  position:relative;
  min-height:0;
  min-width:0;
  flex:1;
  overflow:hidden;
  touch-action:none;
}

.tray-content {
  position:absolute;
  inset:0 auto auto 0;
  width:100%;
  will-change:transform;
}

.slot {
  position:absolute;
  display:flex;
  align-items:center;
  flex-direction:column;
  justify-content:flex-start;
  border:0;
  background:transparent;
  color:#404040;
  padding:0;
  touch-action:none;
}

.slot canvas {
  display:block;
  max-width:100%;
  object-fit:contain;
  pointer-events:none;
}

.slot span {
  height:30px;
  line-height:30px;
  font-weight:750;
  pointer-events:none;
}

.slot.dim {
  filter:saturate(.45);
  opacity:.7;
}

.slot.selected {
  transform:scale(1.4);
  z-index:2;
}

.floating {
  position:fixed;
  z-index:20;
  pointer-events:none;
  transform:translate(-50%,-50%) scale(1.08);
  filter:drop-shadow(0 5px 5px #3337);
  transition:none;
}

.floating.fly {
  transform:translate(-50%,-50%);
  transition:left .18s ease-out,top .18s ease-out;
}

.floating.return {
  transition:left .25s cubic-bezier(.2,1.4,.5,1),top .25s cubic-bezier(.2,1.4,.5,1);
}

.press {
  position:absolute;
  pointer-events:none;
  transform:translate(-50%,-50%);
  animation:press .3s ease-out;
}

.completion {
  position:fixed;
  inset:0;
  z-index:30;
  background:#f7f2e8;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  justify-content:safe center;
  gap:12px;
  padding:calc(18px + env(safe-area-inset-top)) calc(18px + env(safe-area-inset-right)) calc(18px + env(safe-area-inset-bottom)) calc(18px + env(safe-area-inset-left));
  text-align:center;
  overflow:auto;
}

.completion h1 {
  font-size:clamp(2rem,6vw,3rem);
  margin:0;
  flex:none;
}

.completion canvas {
  flex:1 1 auto;
  min-height:0;
  max-height:60vh;
  width:100%;
  object-fit:contain;
  animation:reveal .7s ease-out;
}

.completion .actions {
  display:flex;
  gap:12px;
  flex:none;
}

.completion a {
  color:#995000;
  font-size:.85rem;
  flex:none;
}

.completion a:hover {
  text-decoration:none;
}

@keyframes reveal {
  from {
    transform:scale(.45);
  }
  to {
    transform:scale(1);
  }
}

@keyframes press {
  from {
    transform:translate(-50%,-50%) scale(1.12);
  }
  to {
    transform:translate(-50%,-50%) scale(1);
  }
}

.controls .topcards {
  display:none;
}

@media (min-width:600px) and (min-height:600px) {
  .next {
    width:110px;
    height:110px;
    font-size:50px;
  }
  .reference {
    max-height:200px;
  }
}

@media(orientation:portrait) {
  .game {
    grid-template-columns:minmax(0,1fr);
    grid-template-rows:auto minmax(0,1fr) auto;
  }
  .controls {
    grid-column:1;
    grid-row:1;
    flex-direction:row;
    padding:6px 10px;
    gap:8px;
  }
  .controls .topcards {
    display:flex;
    margin-left:auto;
    flex-direction:row;
    gap:8px;
  }
  .canvas-wrap {
    grid-column:1;
    grid-row:2;
  }
  .side {
    grid-column:1;
    grid-row:3;
    padding:4px 6px 6px;
    position:relative;
    z-index:2;
  }
  .tray {
    flex:none;
    height:134px;
    overflow:visible;
  }
  .tray-content {
    height:100%;
  }
  .reference {
    width:auto;
    max-width:120px;
    max-height:64px;
  }
  .next {
    width:64px;
    height:64px;
    font-size:32px;
  }
}

@media (orientation:portrait) and (min-width:600px) and (min-height:600px) {
  .tray {
    height:168px;
  }
  .reference {
    max-width:190px;
    max-height:110px;
  }
  .next {
    width:110px;
    height:110px;
    font-size:50px;
  }
}

@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    animation-duration:.01ms!important;
    transition-duration:.01ms!important;
  }
}