/* TR-GAME-003 Trotley's Puzzles. The colors of the page are the brand tokens of trotley.com and tints of them.
   Made for a phone held upright first: the board on top, as wide as the screen; the pieces wait in the tray under it. */
:root{
  --sky:#78D2E3; --sun:#F7C94B; --brown:#A95C2D; --deep:#70402A; --green:#83C95A; --red:#E94A3D; --ink:#252525; --cream:#FFF6E2; --white:#fff;
  --dirt:#E3B273; --green-d:#6FB548;
  --display:'Fredoka',ui-rounded,'Arial Rounded MT Bold',system-ui,sans-serif;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
}
@font-face{font-family:'Fredoka';font-weight:600;font-display:swap;src:url('fonts/fredoka-600.woff2') format('woff2')}
@font-face{font-family:'Fredoka';font-weight:700;font-display:swap;src:url('fonts/fredoka-700.woff2') format('woff2')}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--sky);overflow:hidden;overscroll-behavior:none}
body{font-family:var(--display);color:var(--deep);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;border:0;background:none;padding:0;margin:0;cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:manipulation}
img,svg{display:block}
img{-webkit-user-drag:none;user-select:none;-webkit-user-select:none;pointer-events:none}
.game img{max-width:none}   /* a page around the game may limit pictures to their box */
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
:focus-visible{outline:4px solid var(--ink);outline-offset:3px}

.game{position:fixed;inset:0;-webkit-touch-callout:none;display:grid;grid-template-rows:auto minmax(0,1fr);grid-template-columns:100%;background:var(--sky);overflow:hidden;-webkit-user-select:none;user-select:none}

/* the bar lies above every screen and every card, so that the sound button can always be tapped; its empty middle lets touches through */
.bar{position:relative;z-index:10;pointer-events:none;display:flex;align-items:center;gap:8px;padding:calc(var(--sat) + 8px) 10px 6px}
.rb{pointer-events:auto;flex:none;width:46px;height:46px;border-radius:50%;background:var(--cream);border:3px solid var(--deep);box-shadow:0 4px 0 var(--deep);display:flex;align-items:center;justify-content:center;transition:transform .08s,box-shadow .08s}
.rb:active{transform:translateY(4px);box-shadow:0 0 0 var(--deep)}
.rb svg{width:30px;height:30px}
.rb:disabled{opacity:.45;cursor:default}
@media (max-width:359px){.bar{gap:6px;padding-inline:8px}.rb{width:42px;height:42px}.rb svg{width:27px;height:27px}.btns-s{gap:8px}.btns-s .btn{font-size:15px;padding:6px 11px 6px 8px}.btns-s .btn svg{width:22px;height:22px}}
.bar-gap{flex:1}
.snd[aria-pressed="true"] .snd-off,.snd[aria-pressed="false"] .snd-on{display:none}
.snd.asleep{animation:sndwake .7s ease-in-out infinite alternate}
@keyframes sndwake{to{background:var(--sun);transform:scale(1.12)}}
@media (prefers-reduced-motion:reduce){.snd.asleep{animation:none;background:var(--sun)}}
[data-screen="pick"] .in-play,[data-over] .in-play{display:none}
[data-screen="play"] #exit{display:none}
.eye[aria-pressed="true"] .eye-off{display:none}

/* ---------- the list of pictures ---------- */
.pick{grid-row:2;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;touch-action:pan-y;padding:0 12px calc(var(--sab) + 22px)}
.game:not([data-screen="pick"]) .pick,.game:not([data-screen="pick"]) .lang{display:none}
.pick-head{display:flex;align-items:flex-end;justify-content:center;gap:6px;max-width:680px;margin:0 auto;padding-top:2px}
.pick-words{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;padding-bottom:10px}
.lt{font-weight:700;color:var(--cream);-webkit-text-stroke:8px var(--deep);paint-order:stroke fill;text-shadow:0 4px 0 var(--deep);letter-spacing:.01em;line-height:1.02;margin:0}
.title{font-size:clamp(26px,9.400vw,62px);padding-left:6px}
.title span{display:block;white-space:nowrap}
.title span:last-child{color:var(--sun)}
.how{margin:10px 0 0;max-width:22ch;font-weight:600;font-size:clamp(14px,4vw,19px);line-height:1.25;color:var(--deep);background:var(--cream);border:3px solid var(--deep);border-radius:16px;padding:6px 12px 7px;text-wrap:balance}
.pick-trot{flex:none;height:clamp(118px,36vw,220px);width:auto;margin-right:-4px;animation:hello 1.300s ease-in-out infinite alternate;transform-origin:50% 100%}
@keyframes hello{from{transform:rotate(-1.500deg)}to{transform:rotate(2deg) scaleY(1.015)}}

.cards{list-style:none;margin:6px auto 0;padding:0;max-width:980px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 12px}
.card{position:relative;display:flex;flex-direction:column;width:100%;background:var(--white);border:4px solid var(--deep);border-radius:20px;box-shadow:0 6px 0 var(--deep);overflow:hidden;transition:transform .08s,box-shadow .08s;animation:cardin .4s cubic-bezier(.3,1.5,.5,1) both}
.card:active{transform:translateY(6px);box-shadow:0 0 0 var(--deep)}
.card img{display:block;width:100%;aspect-ratio:4 / 3;object-fit:cover;border-bottom:3px solid var(--deep)}
.stars{display:flex;justify-content:center;gap:5px;padding:6px 0 7px;background:var(--cream)}
.st{display:block;width:clamp(20px,6vw,26px);aspect-ratio:1;background:var(--white);-webkit-mask:var(--star) center/contain no-repeat;mask:var(--star) center/contain no-repeat;position:relative}
.st{--star:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1.800l3.100 6.500 7.100.900-5.200 4.900 1.300 7-6.300-3.500-6.300 3.500 1.300-7L1.800 9.200l7.100-.900z'/%3E%3C/svg%3E");background:#d9c9a8}
.st.on{background:var(--sun);filter:drop-shadow(0 0 0 var(--deep))}
.stars.big{background:none;padding:0;gap:8px}
.stars.big .st{width:clamp(26px,8vw,34px)}
.st.new{animation:starin .6s cubic-bezier(.3,1.8,.5,1) both}
@keyframes starin{from{transform:scale(0) rotate(-90deg)}}
@keyframes cardin{from{transform:scale(.8);opacity:0}}

/* loading: a horseshoe that fills with gold */
.loader{display:flex;flex-direction:column;align-items:center;gap:10px;padding:8vh 0 0}
.load{display:block;position:relative;width:76px;aspect-ratio:1;animation:trotload .5s ease-in-out infinite alternate}
.load svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.load .sh{stroke:var(--deep);stroke-width:3;stroke-linejoin:round}
.load .l0 .sh{fill:rgba(255,246,226,.75)}
.load .l1{clip-path:inset(calc(100% - var(--p,6%)) -10% -10% -10%);transition:clip-path .3s}
.load .l1 .sh{fill:var(--sun)}
.load .l1.spin{clip-path:none;animation:fillup 1.100s ease-in-out infinite}
@keyframes fillup{0%{clip-path:inset(94% -10% -10% -10%)}100%{clip-path:inset(0 -10% -10% -10%)}}
.load-l{font-weight:600;font-size:17px;line-height:1.2;color:var(--deep);background:var(--cream);border:2.500px solid var(--deep);border-radius:999px;padding:3px 13px 4px}
@keyframes trotload{from{transform:translateY(-7%) rotate(-7deg)}to{transform:translateY(7%) rotate(7deg)}}

.lang{position:absolute;left:50%;top:calc(var(--sat) + 14px);transform:translateX(-50%);margin:0;display:flex;gap:6px;z-index:11}
.lang a{font-weight:600;font-size:15px;color:var(--deep);text-decoration:none;background:var(--cream);border:3px solid var(--deep);border-radius:999px;padding:5px 12px}
.lang a[aria-current]{background:var(--sun)}

/* ---------- the puzzle ---------- */
.play{grid-row:2;min-height:0;position:relative;padding-bottom:var(--sab)}
.table{position:relative;width:100%;height:100%;overflow:hidden;touch-action:none}
.board{position:absolute;left:0;top:0;background:var(--cream);border-radius:6px;box-shadow:0 0 0 4px var(--deep),0 9px 0 4px rgba(112,64,42,.35);outline:none}
.board canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:6px}
.board:focus-visible{box-shadow:0 0 0 4px var(--deep),0 0 0 9px var(--ink)}
.tray{position:absolute;left:0;top:0;background:rgba(255,246,226,.5);border:3px dashed rgba(112,64,42,.45);border-radius:18px}
.pc{position:absolute;left:0;top:0;display:block;transform-origin:50% 50%;will-change:transform;z-index:4;cursor:grab;outline:none;filter:drop-shadow(0 3px 0 rgba(112,64,42,.45));-webkit-tap-highlight-color:transparent}
.pc.in{z-index:1;filter:none;cursor:default;pointer-events:none}
.pc.held{z-index:8;cursor:grabbing;filter:drop-shadow(0 9px 6px rgba(61,34,22,.45))}
.pc.sel{z-index:6;filter:drop-shadow(0 0 0 var(--white)) drop-shadow(0 0 5px var(--red)) drop-shadow(0 0 2px var(--red))}
.pc:focus-visible{filter:drop-shadow(0 0 4px var(--ink)) drop-shadow(0 0 2px var(--ink))}
.pc.no{animation:no .3s ease-in-out}
@keyframes no{25%{margin-left:-7px}75%{margin-left:7px}}
.whole{position:absolute;left:0;top:0;z-index:3;border-radius:6px;opacity:0;transition:opacity .45s;pointer-events:none}
.whole.on{opacity:1}
.whole.shine{animation:shine 1s ease-in-out}
@keyframes shine{40%{filter:brightness(1.220) saturate(1.100)}}
.cursor{position:absolute;z-index:9;border-radius:10px;border:4px solid var(--ink);box-shadow:0 0 0 3px var(--white),inset 0 0 0 3px var(--white);pointer-events:none}
.hand svg{width:100%;height:100%}
.hand{position:absolute;left:0;top:0;z-index:9;width:64px;height:64px;margin:-6px 0 0 -22px;pointer-events:none;filter:drop-shadow(0 3px 0 rgba(112,64,42,.5));animation:tap .7s ease-in-out infinite alternate}
@keyframes tap{from{transform:translateY(-12%) rotate(-8deg)}to{transform:translateY(8%) rotate(-8deg)}}
.wait{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}

.model{pointer-events:auto;flex:none;width:58px;height:46px;background:var(--white);border:3px solid var(--deep);border-radius:10px;box-shadow:0 4px 0 var(--deep);padding:0;overflow:hidden;transform:rotate(-3deg);transition:transform .08s,box-shadow .08s}
.model img{width:100%;height:100%;object-fit:cover}
.model:active{transform:rotate(-3deg) translateY(4px);box-shadow:0 0 0 var(--deep)}

/* cards over the game */
.over{position:absolute;inset:0;z-index:9;display:flex;align-items:center;justify-content:center;padding:calc(var(--sat) + 64px) 16px calc(var(--sab) + 16px);background:rgba(112,64,42,.5);animation:fade .25s both}
@keyframes fade{from{opacity:0}}
.panel{position:relative;width:min(100%,430px);max-height:100%;background:var(--cream);border:4px solid var(--deep);border-radius:28px;box-shadow:0 8px 0 #3d2216;padding:16px 14px 18px;display:flex;flex-direction:column;align-items:center;gap:12px;animation:panel .45s cubic-bezier(.3,1.4,.5,1) both}
@keyframes panel{from{transform:translateY(40px) scale(.9);opacity:0}}
.btns{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:58px;padding:9px 24px 9px 16px;font-weight:600;font-size:21px;line-height:1.1;color:var(--deep);background:var(--sun);border:3px solid var(--deep);border-radius:999px;box-shadow:0 6px 0 var(--deep);transition:transform .08s,box-shadow .08s;text-decoration:none;white-space:nowrap}
.btn svg{width:32px;height:32px;flex:none}
.btn-2{background:var(--white);gap:7px}
.btn:active{transform:translateY(6px);box-shadow:0 0 0 var(--deep)}
.btns-s .btn{min-height:48px;font-size:16px;padding:6px 14px 6px 9px;box-shadow:0 5px 0 var(--deep)}
.btns-s .btn svg{width:26px;height:26px}

.x{position:absolute;right:-10px;top:-14px;z-index:2;width:46px;height:46px;border-radius:50%;background:var(--white);border:3px solid var(--deep);box-shadow:0 4px 0 var(--deep);display:flex;align-items:center;justify-content:center}
.x svg{width:26px;height:26px}
.x:active{transform:translateY(4px);box-shadow:0 0 0 var(--deep)}
.size-panel{gap:10px;width:min(100%,400px)}
.size-panel p{margin:0;font-weight:700;font-size:clamp(20px,6vw,26px);text-align:center}
.size-frame{transform:rotate(-1.500deg)}
.size-frame img{max-height:min(30vh,260px)!important}
.szs{display:flex;gap:10px;justify-content:center;width:100%}
.sz{position:relative;flex:1 1 0;max-width:112px;display:flex;flex-direction:column;align-items:center;gap:3px;background:var(--sun);border:3px solid var(--deep);border-radius:20px;box-shadow:0 6px 0 var(--deep);padding:9px 6px 7px;transition:transform .08s,box-shadow .08s}
.sz:active{transform:translateY(6px);box-shadow:0 0 0 var(--deep)}
.sz svg{width:min(100%,62px);height:auto;aspect-ratio:1}
.sz b{font-weight:700;font-size:26px;line-height:1}
.sz .st{position:absolute;right:-9px;top:-11px;width:30px}
.sz .st:not(.on){display:none}
.ask-panel{width:min(100%,320px);gap:10px}
.ask-pic{width:74px;height:74px}
.ask-panel p{margin:0;font-weight:700;font-size:24px;text-align:center}
.ask-panel p.note-txt{font-weight:600;font-size:18px;line-height:1.3;text-wrap:balance}

.frame{position:relative;flex:none;background:var(--white);border:4px solid var(--deep);border-radius:16px;padding:6px;transform:rotate(-1.500deg)}
.frame img{display:block;max-width:100%;width:auto;height:auto;max-height:min(34vh,440px);border-radius:8px}
.seal{position:absolute;right:-8px;top:-26px;z-index:2;width:clamp(96px,29vw,128px);aspect-ratio:1;border-radius:50%;background:var(--sun);border:4px solid var(--deep);box-shadow:0 5px 0 var(--deep);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transform:rotate(9deg);font-weight:700;font-size:clamp(13px,3.900vw,17px);line-height:1.08;color:var(--deep);text-transform:uppercase;padding:10px;animation:sealin .6s .3s cubic-bezier(.3,1.7,.5,1) both}
.seal::before{content:"";position:absolute;inset:6px;border-radius:50%;border:2px dashed var(--deep);opacity:.7}
.seal span{display:block}
.seal span:empty{display:none}
@keyframes sealin{from{transform:rotate(-30deg) scale(0);opacity:0}}

.model-card{display:block;background:var(--white);border:4px solid var(--deep);border-radius:22px;box-shadow:0 8px 0 #3d2216;padding:10px;transform:rotate(-2deg);animation:panel .4s cubic-bezier(.3,1.4,.5,1) both;max-width:100%}
.model-card img{display:block;width:auto;height:auto;max-width:min(100%,82vw);max-height:min(62vh,640px);border-radius:12px}
.letsgo{position:absolute;left:50%;top:40%;z-index:13;margin:0;white-space:nowrap;font-size:clamp(38px,12.500vw,84px);color:var(--sun);pointer-events:none;animation:letsgo 1.400s cubic-bezier(.3,1.4,.5,1) both}
@keyframes letsgo{0%{transform:translate(-50%,-50%) rotate(-5deg) scale(.3);opacity:0}18%{transform:translate(-50%,-50%) rotate(-5deg) scale(1.08);opacity:1}28%,78%{transform:translate(-50%,-50%) rotate(-5deg) scale(1);opacity:1}100%{transform:translate(-50%,-70%) rotate(-5deg) scale(1);opacity:0}}
/* the demonstration */
.demo{position:absolute;inset:0;z-index:30;cursor:pointer}
.demo-cap{position:absolute;left:50%;top:calc(var(--sat) + 66px);transform:translateX(-50%);margin:0;max-width:calc(100% - 24px);text-align:center;font-weight:700;font-size:clamp(18px,5.200vw,26px);line-height:1.15;color:var(--deep);background:var(--sun);border:3px solid var(--deep);border-radius:18px;box-shadow:0 5px 0 var(--deep);padding:7px 16px 9px;text-wrap:balance}
.demo-cap:empty{display:none}
.demo-hand{left:0;top:0;margin:0;width:clamp(64px,17vw,92px);height:clamp(64px,17vw,92px);animation:none;transition:transform .6s cubic-bezier(.45,0,.2,1);will-change:transform}
.demo-hand.press svg{animation:press .34s ease-in-out}
@keyframes press{50%{transform:translateY(9%) scale(.88)}}
.poke{animation:poke .42s ease-in-out 3 alternate!important}
@keyframes poke{to{transform:scale(1.220);box-shadow:0 0 0 4px var(--white),0 0 0 9px var(--red)}}
.fx{position:absolute;inset:0;pointer-events:none;z-index:12;overflow:hidden}
.fx i{position:absolute;left:0;top:0;display:block;will-change:transform,opacity}
.nojs{position:absolute;inset:auto 0 0 0;z-index:20;margin:0;padding:16px;background:var(--cream);font-weight:600;text-align:center}

/* ---------- wider screens ---------- */
@media (min-width:560px){
  .cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 16px}
  .pick{padding-inline:20px}
}
@media (min-width:900px){
  .cards{grid-template-columns:repeat(4,minmax(0,1fr))}
}
/* a screen as wide as it is tall, or wider */
@media (min-aspect-ratio:1/1){
  .pick-trot{height:clamp(110px,24vh,220px)}
  .title{font-size:clamp(30px,min(11vh,6.400vw),70px)}
  .over{padding-top:calc(var(--sat) + 12px)}
}
@media (min-aspect-ratio:1/1) and (max-height:560px){
  .end-panel{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto auto;align-content:center;align-items:center;justify-items:center;column-gap:16px;row-gap:8px;width:min(100%,640px);padding:12px 14px}
  .end-panel .frame{grid-column:1;grid-row:1 / 4}
  .end-panel .btn{min-height:46px;font-size:18px;padding:6px 18px 6px 12px}
  .end-panel .btns-s .btn{min-height:44px;font-size:15px}
  .end-panel .frame img{max-height:calc(100vh - 86px)}
  .end-panel .btns{grid-column:2}
  .end-panel .btns-s{flex-direction:column;align-items:stretch}
  .seal{right:auto;left:-12px;top:-16px;width:92px;font-size:12px;transform:rotate(-9deg)}
  .ask-panel{flex-direction:row;flex-wrap:wrap;justify-content:center;width:min(100%,420px)}
  .size-panel{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;column-gap:16px;width:min(100%,600px)}
  .size-panel .frame{grid-row:1 / 3}
  .size-frame img{max-height:min(58vh,260px)!important}
  .end-panel .stars{grid-column:2}
}
@media (prefers-reduced-motion:reduce){
  .pick-trot,.load,.load .l1.spin,.hand,.card,.panel,.seal,.model-card,.demo-hand.press svg,.st.new,.whole.shine,.pc.no{animation:none!important}
  .whole{transition:none}
  .demo-hand{transition:none}
}