:root{
    --teal:#54b8b3; --teal-dk:#3a9d99; --cream:#f6efe0; --ink:#2e3b3a;
    --sun:#ffd36b; --sun-dk:#e9a93b; --grass:#7cc36b; --coral:#e9785b;
  }
  *{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
  img.emoji{height:1em;width:1em;vertical-align:-0.14em;margin:0 .03em;object-fit:contain;}
  .tbtn img.emoji,.iconbtn img.emoji,#emotes button img.emoji{height:1.05em;width:1.05em;vertical-align:middle;}
  html,body{margin:0;height:100%;overflow:hidden;background:var(--teal);
    font-family:'Fredoka',system-ui,sans-serif;color:var(--ink);
    user-select:none;-webkit-user-select:none;touch-action:none;}
  #app{position:fixed;inset:0;width:100%;height:100%;}
  canvas{display:block;width:100%;height:100%;}

  /* ---------- HUD ---------- */
  #hud{position:fixed;inset:0;pointer-events:none;z-index:10;}
  .panel{background:rgba(255,255,255,.82);backdrop-filter:blur(4px);
    border:3px solid #fff;border-radius:18px;box-shadow:0 6px 0 rgba(0,0,0,.12);
    padding:10px 14px;font-weight:600;}
  /* one tidy top bar: score | objective | players | buttons */
  #topbar{position:fixed;top:calc(14px + env(safe-area-inset-top));left:14px;right:14px;z-index:10;
    display:flex;gap:10px;align-items:flex-start;pointer-events:none;}
  #topbar .panel,#topbar .iconbtn{pointer-events:auto;}
  #cats{flex:none;font-size:20px;display:flex;gap:8px;align-items:center;height:48px;}
  #cats .big{font-size:22px;font-weight:700;color:#b5762f;display:inline-block;}
  #cats .star{font-size:20px;}
  #cats .unit{font-size:13px;color:#60706e;font-weight:600;}
  #catVal.pop{animation:scorepop .36s ease;}
  #score{flex:none;font-size:20px;display:flex;gap:10px;align-items:center;height:48px;}
  #score .big{font-size:26px;font-weight:700;color:var(--teal-dk);display:inline-block;}
  #score .star{font-size:22px;}
  #score .unit,#players .unit{font-size:13px;color:#60706e;font-weight:600;}
  #scoreVal.pop{animation:scorepop .36s ease;}
  @keyframes scorepop{0%{transform:scale(1);}30%{transform:scale(1.55);color:var(--sun-dk);}100%{transform:scale(1);}}
  #objective{flex:1 1 auto;min-width:0;max-width:620px;margin:0 auto;text-align:center;font-size:17px;line-height:1.25;
    display:flex;gap:10px;align-items:center;justify-content:center;}
  #objective .pin{font-size:20px;flex:none;}
  #objArrow{position:fixed;top:calc(84px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);width:60px;height:60px;
    pointer-events:none;z-index:9;transition:opacity .2s;filter:drop-shadow(0 3px 0 rgba(0,0,0,.18));}
  #players{flex:none;font-size:16px;display:flex;align-items:center;gap:8px;height:48px;}
  #players .dot{width:11px;height:11px;border-radius:50%;background:#62d07a;box-shadow:0 0 0 3px rgba(98,208,122,.3);flex:none;}

  #prompt{position:fixed;left:50%;bottom:135px;transform:translateX(-50%);
    background:var(--ink);color:#fff;padding:9px 18px;border-radius:30px;font-weight:600;font-size:16px;
    opacity:0;transition:opacity .15s, transform .15s;z-index:11;white-space:nowrap;box-shadow:0 5px 0 rgba(0,0,0,.2);}
  #prompt.show{opacity:1;}
  #prompt b{background:#fff;color:var(--ink);border-radius:7px;padding:1px 8px;margin-right:6px;}

  #toast{position:fixed;left:50%;top:32%;transform:translate(-50%,-50%) scale(.7);
    font-size:22px;font-weight:700;color:#fff;text-shadow:0 2px 0 rgba(0,0,0,.25);opacity:0;
    z-index:12;pointer-events:none;text-align:center;}

  /* ---------- buttons / toggles ---------- */
  .iconbtn{pointer-events:auto;flex:none;width:48px;height:48px;border-radius:14px;border:3px solid #fff;
    background:rgba(255,255,255,.82);box-shadow:0 5px 0 rgba(0,0,0,.12);font-size:22px;display:flex;
    align-items:center;justify-content:center;gap:8px;cursor:pointer;}
  .iconbtn:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(0,0,0,.12);}
  .iconbtn .ic{line-height:1;}
  .iconbtn .lbl{display:none;font-size:13px;font-weight:700;color:var(--ink);white-space:nowrap;}
  #btnMenu{display:none;}

  /* ---------- mobile controls ---------- */
  #touch{position:fixed;inset:0;z-index:8;pointer-events:none;display:none;}
  #joyZone{position:absolute;left:0;bottom:0;width:46%;height:68%;pointer-events:auto;touch-action:none;}
  #joy{position:absolute;width:120px;height:120px;border-radius:50%;
    background:rgba(255,255,255,.14);border:2px solid rgba(255,255,255,.45);
    pointer-events:none;opacity:0;transition:opacity .12s ease;}
  #joy.live{opacity:1;}
  #joyKnob{position:absolute;left:50%;top:50%;width:48px;height:48px;margin:-24px 0 0 -24px;border-radius:50%;
    background:rgba(255,255,255,.8);box-shadow:0 3px 0 rgba(0,0,0,.12);}
  .tbtn{position:absolute;width:74px;height:74px;border-radius:24px;border:3px solid #fff;
    background:rgba(255,255,255,.82);box-shadow:0 6px 0 rgba(0,0,0,.14);pointer-events:auto;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    font-weight:700;color:var(--ink);touch-action:none;}
  .tbtn:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(0,0,0,.14);}
  .tbtn .ic{font-size:26px;line-height:1;}
  .tbtn .lbl{font-size:10px;line-height:1;letter-spacing:.05em;text-transform:uppercase;opacity:.72;}
  #btnAct{right:26px;bottom:96px;background:var(--sun);}
  #btnJump{right:118px;bottom:40px;}
  #btnEmote{right:30px;bottom:188px;width:62px;height:62px;}
  #btnEmote .ic{font-size:22px;}
  /* the TALK button beckons when a neighbour is close enough */
  #btnAct.ready{animation:beckon 1s ease-in-out infinite;}
  @keyframes beckon{0%,100%{transform:scale(1);}50%{transform:scale(1.09);}}

  /* ---------- emote wheel ---------- */
  #emotes{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);display:none;gap:8px;z-index:13;pointer-events:auto;}
  #emotes button{width:54px;height:54px;font-size:26px;border-radius:50%;border:3px solid #fff;
    background:rgba(255,255,255,.92);box-shadow:0 5px 0 rgba(0,0,0,.14);cursor:pointer;}
  #emotes button:active{transform:translateY(3px);}

  /* ---------- overlays ---------- */
  .overlay{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;
    background:radial-gradient(120% 120% at 50% 30%, rgba(116,210,205,.25), rgba(58,157,153,.55));
    backdrop-filter:blur(3px);text-align:center;padding:20px;}
  .card{background:rgba(255,255,255,.92);border:4px solid #fff;border-radius:26px;
    box-shadow:0 12px 0 rgba(0,0,0,.14);padding:26px 28px;max-width:440px;width:100%;}
  .card h1{margin:.1em 0 .15em;font-size:38px;font-weight:700;letter-spacing:1px;color:var(--teal-dk);
    text-shadow:0 3px 0 rgba(0,0,0,.08);}
  .card p{margin:.45em 0;font-size:16px;line-height:1.45;color:#48595a;font-weight:500;}
  .keys{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin:14px 0 4px;}
  .keys span{background:#eef3f1;border:2px solid #d9e4e1;border-radius:9px;padding:5px 11px;font-weight:600;font-size:14px;}
  .bigbtn{margin-top:16px;pointer-events:auto;cursor:pointer;border:none;font-family:inherit;
    background:var(--sun);color:#5a3d12;font-weight:700;font-size:22px;padding:13px 40px;border-radius:16px;
    border-bottom:5px solid var(--sun-dk);box-shadow:0 6px 14px rgba(233,169,59,.4);letter-spacing:1px;}
  .bigbtn:active{transform:translateY(3px);border-bottom-width:2px;}
  .row{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:10px;}
  input.name{font-family:inherit;font-weight:600;font-size:16px;padding:9px 13px;border-radius:12px;
    border:3px solid #d9e4e1;background:#fff;text-align:center;width:200px;color:var(--ink);}
  .muted{font-size:13px;color:#7c8a89;}

  /* ---------- how-to-play overlay ---------- */
  #helpOverlay{display:none;}
  #helpOverlay.show{display:flex;}
  #helpOverlay h1{font-size:26px;}
  .helpGrid{display:grid;grid-template-columns:30px 1fr;gap:9px 10px;align-items:center;
    text-align:left;margin:14px 0 4px;font-size:14px;font-weight:500;color:#48595a;line-height:1.35;}
  .helpGrid .hIc{font-size:19px;text-align:center;}
  .helpGrid b{color:var(--ink);font-weight:700;}

  #loader{position:fixed;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;
    flex-direction:column;gap:18px;background:var(--teal);color:#fff;font-weight:700;font-size:22px;}
  .spin{width:46px;height:46px;border-radius:50%;border:5px solid rgba(255,255,255,.35);border-top-color:#fff;
    animation:sp 1s linear infinite;}
  @keyframes sp{to{transform:rotate(360deg);}}

  /* ---------- leaderboard ---------- */
  #lb{position:fixed;right:14px;bottom:94px;z-index:11;min-width:172px;max-width:220px;display:none;}
  #lb h3{margin:0 0 6px;font-size:14px;color:var(--teal-dk);text-transform:uppercase;letter-spacing:1px;}
  #lb ol{margin:0;padding:0;list-style:none;font-size:14px;font-weight:600;}
  #lb li{display:flex;justify-content:space-between;gap:8px;padding:2px 0;}
  #lb li .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  #lb li.me{color:var(--coral);}
  #roomline{position:fixed;left:14px;bottom:14px;z-index:11;font-size:13px;color:#2e3b3a;
    background:rgba(255,255,255,.8);border-radius:12px;padding:7px 12px;border:2px solid #fff;display:none;
    pointer-events:auto;cursor:pointer;font-weight:600;}
  #roomline.on{display:block;}
  #githubHelp{position:fixed;right:14px;bottom:14px;z-index:11;pointer-events:auto;display:grid;
    grid-template-columns:auto 1fr;align-items:center;gap:10px;width:min(340px,calc(100vw - 28px));padding:10px 13px;border:2px solid #fff;border-radius:14px;
    background:rgba(255,255,255,.86);color:var(--ink);box-shadow:0 5px 0 rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.72);
    text-decoration:none;font-weight:600;backdrop-filter:blur(4px);
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease;}
  #githubHelp .source{align-self:start;color:var(--teal-dk);font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;line-height:1.2;padding-top:2px;}
  #githubHelp .helpTitle{display:block;font-size:14px;font-weight:700;line-height:1.15;}
  #githubHelp .helpDetail{display:block;margin-top:4px;color:#60706e;font-size:11px;font-weight:500;line-height:1.3;}
  /* after a little while the card retracts into a small quiet pill */
  #githubHelp.mini{grid-template-columns:auto;width:auto;padding:9px 13px;border-radius:999px;}
  #githubHelp.mini>span:last-child{display:none;}
  #githubHelp.mini .source{padding-top:0;font-size:10px;}
  #githubHelp:hover{background:#fff;transform:translateY(-2px);box-shadow:0 7px 0 rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.72);}
  #githubHelp:active{transform:translateY(2px);box-shadow:0 3px 0 rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.72);}
  #githubHelp:focus-visible{outline:3px solid var(--sun);outline-offset:3px;}
  @media (max-width:620px){
    .card h1{font-size:30px;}
    /* one single-line bar: 🥡 score | objective | 🟢 players | ☰ */
    .panel{padding:6px 10px;border-radius:12px;border-width:2px;box-shadow:0 3px 0 rgba(0,0,0,.1);}
    #topbar{top:calc(8px + env(safe-area-inset-top));left:8px;right:8px;gap:6px;align-items:stretch;}
    #score{height:auto;min-height:40px;font-size:13px;gap:5px;background:rgba(255,255,255,.72);}
    #score .big{font-size:17px;} #score .star{font-size:15px;}
    #score .unit,#players .unit{display:none;}
    #players{display:none;height:auto;min-height:40px;font-size:12px;gap:6px;background:rgba(255,255,255,.72);}
    #players.multi{display:flex;}
    #players .dot{width:9px;height:9px;}
    #objective{font-size:12px;padding:5px 10px;gap:6px;background:rgba(255,255,255,.72);}
    #objective .pin{font-size:15px;}
    #objArrow{top:calc(64px + env(safe-area-inset-top));width:40px;height:40px;}
    /* everything secondary lives behind ☰ — opens a labelled menu */
    #btnMenu{display:flex;width:40px;height:auto;min-height:40px;font-size:18px;border-radius:12px;
      border-width:2px;background:rgba(255,255,255,.72);box-shadow:0 3px 0 rgba(0,0,0,.1);}
    body.menuOpen #btnMenu .ic{display:none;}
    body.menuOpen #btnMenu::after{content:'✕';font-size:16px;font-weight:700;}
    #btnSound,#btnHelp,#btnLb{display:none;}
    body.menuOpen #btnLb,body.menuOpen #btnSound,body.menuOpen #btnHelp{display:flex;position:fixed;
      right:8px;width:150px;height:44px;justify-content:flex-start;padding:0 12px;font-size:18px;
      border-radius:12px;border-width:2px;}
    body.menuOpen .iconbtn .lbl{display:block;font-size:12px;}
    body.menuOpen #btnLb{top:calc(60px + env(safe-area-inset-top));}
    body.menuOpen #btnSound{top:calc(110px + env(safe-area-inset-top));}
    body.menuOpen #btnHelp{top:calc(160px + env(safe-area-inset-top));}
    #lb{right:164px;top:calc(60px + env(safe-area-inset-top));bottom:auto;left:auto;}
    #roomline.on{display:none;}
    body.menuOpen #roomline.on{display:flex;align-items:center;gap:6px;top:calc(210px + env(safe-area-inset-top));
      right:8px;left:auto;bottom:auto;width:150px;height:40px;font-size:12px;border-radius:12px;padding:0 12px;}
    #githubHelp{display:none;}
    body.menuOpen #githubHelp{display:block;top:calc(258px + env(safe-area-inset-top));right:8px;left:auto;bottom:auto;
      width:150px;padding:7px 12px;border-radius:12px;box-shadow:0 3px 0 rgba(0,0,0,.12);}
    body.menuOpen #githubHelp>span:last-child{display:block;}
    #githubHelp .source,#githubHelp .helpDetail{display:none;}
    #githubHelp .helpTitle{font-size:11px;line-height:1.2;}
    /* right-edge action stack — labelled so newcomers know what they do */
    .tbtn{border-radius:16px;border-width:2px;background:rgba(255,255,255,.85);box-shadow:0 3px 0 rgba(0,0,0,.12);}
    #btnAct{width:60px;height:60px;right:12px;bottom:calc(24px + env(safe-area-inset-bottom));background:var(--sun);}
    #btnJump{width:60px;height:60px;right:12px;bottom:calc(96px + env(safe-area-inset-bottom));}
    #btnEmote{width:52px;height:52px;right:16px;bottom:calc(172px + env(safe-area-inset-bottom));}
    .tbtn .ic{font-size:22px;}
    #btnEmote .ic{font-size:18px;}
    .tbtn .lbl{font-size:9px;}
    #emotes{left:auto;right:76px;bottom:calc(172px + env(safe-area-inset-bottom));transform:none;
      flex-wrap:wrap;justify-content:flex-end;max-width:252px;}
    #emotes button{width:44px;height:44px;font-size:20px;border-width:2px;}
    #prompt{bottom:calc(100px + env(safe-area-inset-bottom));font-size:14px;padding:8px 15px;}
  }