/* ============ game switcher ============ */
  .tabs-wrap{display:flex;justify-content:center;padding:30px 16px 0}
  .circuit-strip{
    width:min(720px,calc(100% - 32px));margin:14px auto 0;padding:10px 16px;
    display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;
    border:2px solid var(--ink);border-radius:999px;background:rgba(255,255,255,.38);
    font-family:'IBM Plex Mono',monospace;font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  }
  .circuit-label{background:var(--ink);color:var(--mustard);padding:4px 9px;border-radius:999px}
  .circuit-dots{font-size:16px;letter-spacing:.12em;color:var(--ink)}
  .circuit-strip.complete{background:var(--lime);animation:pop .3s ease}
  .game-tabs{
    display:flex;gap:5px;
    background:var(--paper);
    padding:6px;border-radius:999px;
    box-shadow:0 1px 0 rgba(0,0,0,.2);
    max-width:100%;overflow-x:auto;
  }
  .tab{
    border:none;background:transparent;cursor:pointer;
    border-radius:999px;padding:11px 20px;
    font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:12px;
    letter-spacing:.08em;text-transform:uppercase;color:var(--ink);
    display:flex;align-items:center;gap:8px;white-space:nowrap;
    transition:background .2s,color .2s;
  }
  .tab:hover{background:rgba(0,0,0,.06)}
  .tab.active{background:var(--ink);color:var(--mustard)}
  .tab.active:hover{background:var(--ink)}
  .tab .soon{
    font-size:9px;letter-spacing:.12em;
    background:var(--pink);color:var(--ink);
    padding:2px 7px;border-radius:999px;
  }
  .tab.active .soon{background:var(--lime)}

  /* ============ layout ============ */
  .stage{
    position:relative;
    max-width:1180px;
    margin:0 auto;
    padding:30px 24px 120px;
    display:grid;
    grid-template-columns:1fr minmax(380px,520px) 1fr;
    align-items:start;
    gap:32px;
  }

  /* floating badges */
  .badge{
    position:absolute;
    background:var(--paper);
    color:var(--ink);
    font-family:'IBM Plex Mono',monospace;
    font-weight:600;
    font-size:12px;
    letter-spacing:.14em;
    text-transform:uppercase;
    padding:12px 18px;
    border-radius:999px;
    box-shadow:0 1px 0 rgba(0,0,0,.25);
    white-space:nowrap;
    z-index:5;
    opacity:0;
    transform:translateY(24px) rotate(0deg);
    transition:opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1);
  }
  .badge.dark{background:var(--ink);color:var(--mustard)}
  .badge.pink{background:var(--pink)}
  .in .badge{opacity:1;transform:translateY(0) rotate(var(--r,0deg))}
  .badge b{color:var(--lime);background:var(--ink);border-radius:6px;padding:1px 6px;margin-left:6px}
  .in .badge.dark b{color:var(--mustard)}

  /* ============ game card ============ */
  .game{
    grid-column:2;
    background:var(--ink);
    border-radius:var(--radius-card);
    padding:26px 22px 22px;
    color:#fff;
    position:relative;
    overflow:hidden;
    box-shadow:0 30px 60px -20px rgba(0,0,0,.45);
  }
  .game-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 4px 16px;
  }
  .game-title{
    font-family:'Anton',sans-serif;
    font-size:22px;
    letter-spacing:.06em;
    text-transform:uppercase;
  }
  .game-title em{font-style:normal;color:var(--lime)}
  .game-meta{
    display:flex;gap:14px;align-items:center;
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
    color:#9a9a9c;
  }
  .icon-btn{
    width:34px;height:34px;border-radius:50%;
    border:1.5px solid var(--tile-line);
    background:transparent;color:#cfcfd2;
    display:grid;place-items:center;cursor:pointer;
    transition:border-color .2s,color .2s,transform .2s;
  }
  .icon-btn:hover{border-color:var(--lime);color:var(--lime);transform:rotate(-8deg)}
  .icon-btn svg{width:15px;height:15px}
  .tip-btn{
    min-height:34px;padding:0 11px;border:1.5px solid var(--tile-line);border-radius:999px;
    background:transparent;color:#d7d7da;cursor:pointer;
    font:600 10px/1 'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase;
    transition:border-color .2s,color .2s,background .2s;
  }
  .tip-btn span{
    display:inline-grid;place-items:center;min-width:20px;height:20px;margin-left:4px;padding:0 5px;
    border-radius:999px;background:var(--lime);color:var(--ink);font-size:10px;
  }
  .tip-btn:hover:not(:disabled){border-color:var(--lime);color:var(--lime)}
  .tip-btn:disabled{cursor:default;opacity:.45}
  .tip-panel{
    display:grid;gap:6px;margin:0 2px 14px;padding:10px 12px;
    border:1px solid rgba(143,226,64,.3);border-radius:12px;
    background:rgba(143,226,64,.08);color:#f1f1f3;
    font:500 12px/1.45 'Space Grotesk',sans-serif;
  }
  .tip-panel[hidden]{display:none}
  .tip-entry{display:flex;gap:9px;align-items:baseline;margin:0}
  .tip-entry span{
    flex:0 0 auto;color:var(--lime);font:600 9px/1 'IBM Plex Mono',monospace;
    letter-spacing:.08em;text-transform:uppercase;
  }

  /* ============ board ============ */
  .board{
    display:grid;
    grid-template-rows:repeat(6,1fr);
    gap:6px;
    margin-bottom:20px;
  }
  .row{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
  .tile{
    aspect-ratio:1/1;
    max-height:62px;
    display:grid;place-items:center;
    border-radius:9px;
    font-family:'Space Grotesk',sans-serif;
    font-weight:700;
    font-size:clamp(22px,4.5vw,30px);
    text-transform:uppercase;
    background:var(--tile-empty);
    border:2px solid var(--tile-line);
    color:#fff;
    transform-style:preserve-3d;
    transition:border-color .1s;
    position:relative;
  }
  .tile.filled{border-color:#6a6a6e;animation:pop .12s ease}
  .tile.current::after{
    content:"";position:absolute;inset:-2px;border-radius:9px;
    border:2px solid var(--pink);
    animation:caret 1.1s ease infinite;
  }
  @keyframes caret{0%,100%{opacity:1}50%{opacity:.25}}
  @keyframes pop{0%{transform:scale(.85)}60%{transform:scale(1.08)}100%{transform:scale(1)}}
  .tile.correct{background:var(--lime);border-color:var(--lime);color:var(--ink)}
  .tile.present{background:var(--mustard);border-color:var(--mustard);color:var(--ink)}
  .tile.absent{background:var(--absent);border-color:var(--absent);color:#8f8f93}
  .tile.flip{animation:flip .55s cubic-bezier(.3,.1,.3,1) both}
  @keyframes flip{0%{transform:rotateX(0)}50%{transform:rotateX(90deg)}100%{transform:rotateX(0)}}
  .tile.bounce{animation:bounce .8s cubic-bezier(.3,.1,.3,1.4) both}
  @keyframes bounce{
    0%,20%{transform:translateY(0)}
    40%{transform:translateY(-26px)}
    60%{transform:translateY(0)}
    75%{transform:translateY(-10px)}
    90%{transform:translateY(0)}
  }
  .row.shake{animation:shake .5s ease}
  @keyframes shake{
    10%,90%{transform:translateX(-2px)}
    20%,80%{transform:translateX(4px)}
    30%,50%,70%{transform:translateX(-6px)}
    40%,60%{transform:translateX(6px)}
  }

  /* ============ keyboard ============ */
  .kb{display:grid;gap:7px;user-select:none}
  .kb-row{display:flex;gap:7px;justify-content:center}
  .key{
    flex:1;
    max-width:44px;
    height:56px;
    border:none;
    border-radius:8px;
    background:#e8e8ea;
    color:var(--ink);
    font-family:'Space Grotesk',sans-serif;
    font-weight:700;
    font-size:15px;
    text-transform:uppercase;
    cursor:pointer;
    transition:transform .08s, background .3s, color .3s;
  }
  .key:active{transform:translateY(2px) scale(.96)}
  .key.wide{max-width:68px;flex:1.5;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em}
  .key.correct{background:var(--lime);color:var(--ink)}
  .key.present{background:var(--mustard);color:var(--ink)}
  .key.absent{background:var(--absent);color:#717174}

  /* ============ side panels ============ */
  .side{display:flex;flex-direction:column;gap:32px;min-height:400px;position:relative}
  .side>.badge{
    position:static;
    align-self:center;
    max-width:calc(100% - 16px);
    white-space:normal;
    text-align:center;
    line-height:1.35;
    z-index:1;
  }

  .stat-card{
    background:var(--paper);
    border-radius:20px;
    padding:22px 22px 20px;
    opacity:0;transform:translateY(28px);
    transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1);
  }
  .in .stat-card{opacity:1;transform:translateY(0)}
  .stat-card.dark{background:var(--ink);color:#fff}
  .stat-card h3{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;
    color:var(--muted);margin-bottom:14px;
  }
  .stat-card.dark h3{color:#9a9a9c}
  .stat-nums{display:flex;gap:18px}
  .stat-num{flex:1}
  .stat-num b{
    display:block;
    font-family:'Anton',sans-serif;
    font-size:34px;line-height:1;
    font-weight:400;
  }
  .stat-num.lime b{color:var(--lime)}
  .stat-num.pink b{color:var(--pink)}
  .stat-num i{font-style:normal;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
  .stat-card.dark .stat-num i{color:#9a9a9c}

  /* histogram */
  .histo{display:grid;gap:7px;margin-top:4px}
  .histo-row{display:flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:600}
  .histo-bar{
    height:20px;border-radius:5px;background:#d9d2bf;
    min-width:22px;display:flex;align-items:center;justify-content:flex-end;
    padding-right:7px;color:var(--ink);
    transform:scaleX(0);transform-origin:left;
    transition:transform .9s cubic-bezier(.2,.8,.2,1);
  }
  .in .histo-bar{transform:scaleX(1)}
  .stat-card.dark .histo-bar{background:#3a3a3c;color:#fff}
  .histo-bar.hot{background:var(--lime);color:var(--ink)}

  .howto{
    font-size:14px;line-height:1.65;
  }
  .howto p+p{margin-top:10px}
  .howto .chip{
    display:inline-block;border-radius:5px;padding:1px 7px;margin-right:4px;
    font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.06em;
  }
  .chip.g{background:var(--lime);color:var(--ink)}
  .chip.y{background:var(--mustard);color:var(--ink);border:1.5px solid var(--ink)}
  .chip.x{background:#3a3a3c;color:#fff}

  /* ============ toast ============ */
  .toast{
    position:fixed;top:26px;left:50%;
    transform:translate(-50%,-160px);
    background:var(--ink);color:var(--mustard);
    font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;
    padding:13px 24px;border-radius:999px;
    transition:transform .4s cubic-bezier(.3,1.2,.4,1);
    z-index:60;pointer-events:none;
  }
  .toast.show{transform:translate(-50%,0)}

  /* ============ win modal ============ */
  .modal-veil{
    position:fixed;inset:0;background:rgba(12,12,12,.55);
    backdrop-filter:blur(4px);
    opacity:0;pointer-events:none;transition:opacity .35s;
    z-index:80;display:grid;place-items:center;padding:20px;
  }
  .modal-veil.show{opacity:1;pointer-events:auto}
  .modal{
    background:var(--paper);
    border-radius:26px;
    width:min(400px,100%);
    padding:34px 30px 30px;
    text-align:center;
    transform:translateY(40px) scale(.92);
    transition:transform .45s cubic-bezier(.3,1.2,.4,1);
    position:relative;overflow:hidden;
  }
  .modal-veil.show .modal{transform:translateY(0) scale(1)}
  .modal::before{
    content:"GENIUS";
    position:absolute;top:-26px;right:-46px;
    font-family:'Anton',sans-serif;font-size:84px;color:var(--mustard);
    transform:rotate(12deg);opacity:.22;
  }
  .modal h2{font-family:'Anton',sans-serif;font-size:38px;text-transform:uppercase;letter-spacing:.02em}
  .modal .sub{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:6px 0 22px}
  .share-grid{
    display:inline-grid;grid-auto-flow:row;gap:4px;margin-bottom:22px;
  }
  .share-preview{margin:0;white-space:pre-wrap;font-family:'IBM Plex Mono',monospace;font-size:17px;line-height:1.45;letter-spacing:.04em}
  .share-row{display:flex;gap:4px}
  .share-cell{width:30px;height:30px;border-radius:5px}
  .share-cell.g{background:var(--lime)}
  .share-cell.y{background:var(--mustard)}
  .share-cell.x{background:var(--absent)}
  .modal-btns{display:flex;gap:10px}
  .btn{
    flex:1;border:none;border-radius:999px;cursor:pointer;
    font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
    padding:15px 0;transition:transform .15s;
  }
  .btn:active{transform:scale(.96)}
  .btn.primary{background:var(--ink);color:var(--mustard)}
  .btn.ghost{background:transparent;color:var(--ink);border:2px solid var(--ink)}

  /* confetti tiles */
  .confetti{position:absolute;top:-20px;border-radius:3px;animation:fall linear forwards;z-index:1}
  @keyframes fall{
    0%{transform:translateY(-20px) rotate(0)}
    100%{transform:translateY(460px) rotate(540deg)}
  }

  /* ============ win sequence ============ */
  .stamp{
    position:absolute;left:50%;top:38%;
    transform:translate(-50%,-50%) rotate(-9deg) scale(3.4);
    font-family:'Anton',sans-serif;
    font-size:clamp(44px,9vw,74px);
    text-transform:uppercase;letter-spacing:.03em;
    color:var(--lime);
    text-shadow:4px 4px 0 var(--ink), -2px -2px 0 var(--ink), 2px -2px 0 var(--ink), -2px 2px 0 var(--ink);
    opacity:0;
    pointer-events:none;
    z-index:20;
    white-space:nowrap;
  }
  .stamp.slam{animation:slam .55s cubic-bezier(.2,1.4,.3,1) forwards}
  @keyframes slam{
    0%{opacity:0;transform:translate(-50%,-50%) rotate(-9deg) scale(3.4)}
    55%{opacity:1;transform:translate(-50%,-50%) rotate(-9deg) scale(.92)}
    72%{transform:translate(-50%,-50%) rotate(-9deg) scale(1.06)}
    100%{opacity:1;transform:translate(-50%,-50%) rotate(-9deg) scale(1)}
  }
  .stamp.fadeout{animation:stampout .5s ease forwards}
  @keyframes stampout{
    to{opacity:0;transform:translate(-50%,-50%) rotate(-9deg) scale(.7)}
  }
  .game.thud{animation:thud .4s ease}
  @keyframes thud{
    0%,100%{transform:translateY(0)}
    30%{transform:translateY(7px)}
    60%{transform:translateY(-3px)}
  }
  .tile.win-glow{animation:winglow 1.2s ease infinite}
  @keyframes winglow{
    0%,100%{box-shadow:0 0 0 0 rgba(143,226,64,0)}
    50%{box-shadow:0 0 22px 4px rgba(143,226,64,.55)}
  }
  #fx{
    position:fixed;inset:0;width:100%;height:100%;
    pointer-events:none;z-index:70;
  }
  @media (max-width:980px){
    .stage{grid-template-columns:1fr;padding-top:36px}
    .game{grid-column:1;max-width:520px;margin:0 auto;width:100%}
    .side{display:none}
    .badge{position:static;display:inline-block;margin:0;transform:none;opacity:1}
    .badge-wrap-m{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:22px auto 0;max-width:100%}
    .badge-wrap-m .badge{max-width:100%;white-space:normal;text-align:center;line-height:1.25}
  }
  @media (min-width:981px){.badge-wrap-m{display:none}}

/* ============ mobile: game-first, touch keyboard ============ */
  @media (max-width:760px){
    .brand-band,.marquee{display:none}
    .stage{
      padding-top:10px;
      padding-right:max(10px,env(safe-area-inset-right));
      padding-bottom:max(28px,env(safe-area-inset-bottom));
      padding-left:max(10px,env(safe-area-inset-left));
      gap:0;min-height:auto;align-items:start;
    }
    .badge-wrap-m{order:3;grid-column:1;grid-row:2;align-self:start;width:100%;margin:18px auto 0;gap:8px}
    .badge-wrap-m .badge{font-size:10px;padding:9px 12px;letter-spacing:.1em}
    .game{
      order:1;grid-column:1;grid-row:1;max-width:100%;width:100%;margin:0;
      border-radius:22px;padding:14px 12px 12px;
      box-shadow:0 16px 40px -16px rgba(0,0,0,.4);
    }
    .game.reveal{opacity:1;transform:none}
    .game-head{padding:0 4px 12px}
    .icon-btn{width:44px;height:44px}
    .board{gap:5px;margin-bottom:14px}
    .row{gap:5px}
    .tile{max-height:none;border-radius:8px;font-size:clamp(24px,7.2vw,32px)}
    .tile.current::after{inset:-2px;border-radius:8px}
    .kb{gap:6px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
    .kb-row{gap:5px}
    .key{
      max-width:none;min-width:0;flex:1 1 0;
      height:52px;border-radius:10px;
      font-size:16px;padding:0;
    }
    .key.wide{max-width:none;flex:1.45 1 0;font-size:11px;letter-spacing:.04em}
    .key,.tab,.icon-btn,.conn-btn,.tip-btn{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
    .tip-btn{min-height:44px;padding:0 12px}
    .tip-panel{margin-bottom:11px;padding:9px 10px}
    .foot{flex-direction:column;gap:8px;text-align:center;padding:16px 20px}
    .circuit-strip{margin-top:9px;border-radius:16px;gap:8px;padding:8px 10px;font-size:8px}
    .circuit-dots{font-size:13px}
  }
  @media (max-width:760px){
    .tabs-wrap{
      padding-top:14px;
      padding-right:max(10px,env(safe-area-inset-right));
      padding-left:max(10px,env(safe-area-inset-left));
    }
    .game-tabs{
      scrollbar-width:none;
      width:max-content;max-width:100%;
    }
    .game-tabs::-webkit-scrollbar{display:none}
    .game-tabs{gap:4px;padding:5px}
    .tab{min-height:44px;padding:8px 11px;font-size:10px;letter-spacing:.04em;gap:4px;justify-content:center}
    .tab .soon{font-size:7px;padding:1px 4px}
  }
  @media (max-width:380px){
    .game-tabs{display:grid;grid-template-columns:1fr 1fr;width:100%;max-width:none;border-radius:22px}
    .tab{width:100%}
    .game-meta{font-size:9px;letter-spacing:.07em}
    .game-mode{display:none}
  }
  @media (max-width:380px){
    .key{height:48px;font-size:14px}
    .game{padding:12px 10px 10px}
  }