:root{--bg:#F4EFE6;--ink:#1E1B24;--muted:#857F75;--card:#FFFBF5;--accent:#3D6BFF}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{background:var(--bg);color:var(--ink);font-family:Rubik,system-ui,sans-serif;display:flex;justify-content:center;transition:background .7s;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}
.app{width:100%;max-width:min(440px,72vh);padding:16px 16px 28px;display:flex;flex-direction:column;gap:14px}
.col{display:flex;flex-direction:column;gap:14px}
header{display:flex;justify-content:space-between;align-items:center}
.logo{font-weight:900;font-size:30px;letter-spacing:-.03em;line-height:1}
.logo i{font-style:normal;color:var(--accent);transition:color .7s}
.logo span{font-size:15px;font-weight:700;color:var(--muted);letter-spacing:0;margin-left:2px}
.hr{display:flex;align-items:center;gap:14px}
.dots{display:flex;gap:6px}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(30,27,36,.12);transition:all .4s}
.dot.on{background:var(--ink);transform:scale(1.15)}
.dot.g{background:#2FB36D}.dot.y{background:#F2B33D}.dot.o{background:#F28A3D}.dot.r{background:#F0563E}
.mute{border:0;background:none;font-size:18px;cursor:pointer;opacity:.6;padding:4px}
.title{display:flex;justify-content:space-between;align-items:baseline}
.title h1{font-weight:900;font-size:28px;letter-spacing:-.02em}
.title span{font-weight:700;font-size:14px;color:var(--muted)}
.stage{position:relative;aspect-ratio:1/1;background:var(--card);border:2.5px solid var(--ink);border-radius:24px;box-shadow:0 5px 0 var(--ink);overflow:hidden;touch-action:none;cursor:crosshair}
.stage canvas{width:100%;height:100%;display:block}
.stage.shake{animation:shake .28s}
@keyframes shake{0%,100%{transform:none}20%{transform:translate(-5px,2px)}40%{transform:translate(4px,-3px)}60%{transform:translate(-3px,1px)}80%{transform:translate(2px,0)}}
.hint{position:absolute;left:0;right:0;bottom:14px;text-align:center;font-weight:700;font-size:14px;color:var(--muted);transition:opacity .3s;pointer-events:none}
.flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.flash.go{animation:fl .25s}
@keyframes fl{0%{opacity:.7}100%{opacity:0}}
.result{display:none;flex-direction:column;gap:12px;animation:vin .45s cubic-bezier(.2,.9,.3,1.3)}
.result.show{display:flex}
@keyframes vin{0%{opacity:0;transform:translateY(14px) scale(.97)}100%{opacity:1;transform:none}}
.vrow{display:flex;align-items:center;gap:12px}
.pill{font-weight:900;font-size:20px;padding:8px 14px;border-radius:14px;border:2.5px solid var(--ink);box-shadow:0 3px 0 var(--ink);white-space:nowrap}
.pill.g{background:#7EE0A8}.pill.y{background:#FFD66B}.pill.o{background:#FFB27A}.pill.r{background:#FF9A85}
.vtxt{font-weight:700;font-size:15px;line-height:1.3}
.vtxt small{display:block;color:var(--muted);font-weight:500;font-size:13px}
.btn{width:100%;border:2.5px solid var(--ink);background:var(--ink);color:#fff;font:900 20px Rubik,sans-serif;padding:16px;border-radius:18px;cursor:pointer;box-shadow:0 5px 0 rgba(30,27,36,.35);transition:transform .08s,box-shadow .08s}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 rgba(30,27,36,.35)}
.end{display:none;flex-direction:column;gap:14px;animation:vin .5s cubic-bezier(.2,.9,.3,1.3)}
.end.show{display:flex}
.big{font-weight:900;font-size:76px;letter-spacing:-.04em;line-height:.9}
.big small{font-size:30px}
.sub{font-weight:700;color:var(--muted)}
.rcard{background:var(--card);border:2.5px solid var(--ink);border-radius:20px;box-shadow:0 5px 0 var(--ink);padding:4px 14px}
.rline{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:2px dashed rgba(30,27,36,.12)}
.rline:last-child{border:0}
.rline canvas{width:42px;height:42px}
.rline .rt{flex:1;font-weight:700;font-size:15px}
.rline .rn{font-weight:900;font-size:16px;font-variant-numeric:tabular-nums}
.stats{display:flex;justify-content:space-between;gap:8px}
.stat{flex:1;text-align:center;background:var(--card);border:2.5px solid var(--ink);border-radius:14px;padding:10px 4px}
.stat b{display:block;font-weight:900;font-size:22px}
.stat span{font-size:11px;font-weight:700;color:var(--muted)}
.countdown{text-align:center;font-weight:700;color:var(--muted)}
.countdown b{color:var(--ink);font-variant-numeric:tabular-nums}
.hide{display:none!important}

.hl{display:flex;align-items:center;gap:10px;min-width:0}
.back{flex:none;width:36px;height:36px;border-radius:50%;border:2.5px solid var(--ink);background:var(--card);box-shadow:0 3px 0 var(--ink);display:grid;place-items:center;color:var(--ink);text-decoration:none;transition:transform .08s,box-shadow .08s}
.back:active{transform:translateY(3px);box-shadow:0 0 0 var(--ink)}
.back svg{width:18px;height:18px}
@media (max-width:380px){.logo{font-size:24px}}

.row{display:flex;gap:10px}
.btn[disabled]{opacity:.3;pointer-events:none}
.stage{cursor:crosshair}
.rline .rp{font-weight:900;font-size:16px;min-width:28px;text-align:right;font-variant-numeric:tabular-nums}
.rline .rn{font-weight:700;font-size:14px;color:var(--muted)}

/* volume button: a plain round icon button */
.mute{width:36px;height:36px;padding:0;border-radius:50%;border:2.5px solid var(--ink);background:var(--card);color:var(--ink);box-shadow:0 3px 0 var(--ink);display:grid;place-items:center;opacity:1;cursor:pointer;transition:transform .08s,box-shadow .08s}
.mute:active{transform:translateY(3px);box-shadow:0 0 0 var(--ink)}
.mute[aria-pressed="true"]{color:var(--muted)}

/* ---------- shared ---------- */
.rule{font-weight:600;font-size:15px}
.bar{display:flex;gap:10px}
.meter{flex:1;display:flex;flex-direction:column;align-items:center;background:var(--card);border:2.5px solid var(--ink);border-radius:16px;padding:8px;line-height:1.1}
.meter span{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.meter b{font-weight:900;font-size:22px;font-variant-numeric:tabular-nums}
.verdict{font-weight:700;font-size:16px}
.big small{margin-left:8px;color:var(--muted)}
.btn.ghost{background:var(--card);color:var(--ink);box-shadow:0 5px 0 var(--ink);font-size:17px;padding:13px}
.btn.ghost:active{box-shadow:0 1px 0 var(--ink)}
:root{--bg:#FFF0D6;--accent:#F06449}
.grid{display:grid;grid-template-columns:repeat(var(--n),1fr);gap:8px;perspective:700px}
.t{aspect-ratio:1;position:relative;cursor:pointer;transform-style:preserve-3d;transition:transform .38s cubic-bezier(.3,1.4,.5,1)}
.t.on{transform:rotateY(180deg)}
.t i{position:absolute;inset:0;border-radius:14px;border:2.5px solid var(--ink);backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 4px 0 var(--ink)}
.t i.a{background:var(--card)}
.t i.b{background:var(--accent);transform:rotateY(180deg)}
.t i.b::after{content:"";position:absolute;inset:30%;border-radius:50%;background:rgba(255,255,255,.35)}