:root{
  --night:#151A24;
  --night-2:#223047;
  --ink:#E9EDF5;
  --muted:#93A3BE;
  --paper:#FFFFFF;
  --paper-ink:#151A24;
  --paper-muted:#66748C;
  --lime:#8CE05B;
  --lime-dark:#5EAE31;
  --red:#F2545B;
  --display:"Outfit", "Segoe UI", system-ui, sans-serif;
  --mono:"Chivo Mono", ui-monospace, "Consolas", monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{background:var(--night)}
body{margin:0;color:var(--ink);font:16px/1.4 var(--display);padding-inline:12px;padding-block:8px 10px;-webkit-tap-highlight-color:transparent}
.app{max-width:1200px;margin-inline:auto;height:calc(100vh - 18px);height:calc(100dvh - 18px);min-height:360px;display:grid;grid-template-rows:auto auto 1fr auto;gap:8px}

.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px}
.back{color:var(--muted);text-decoration:none;font-weight:600;font-size:15px}
.back:hover{color:var(--ink)}
.title{margin:0;font-weight:700;font-size:clamp(1.2rem,3.4vw,1.8rem)}
.title span{color:var(--lime)}
.bar-actions{display:flex;gap:8px;align-items:center}
.icon-btn{width:42px;height:42px;border-radius:12px;border:0;background:var(--night-2);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.icon-btn span{display:grid;place-items:center}
.icon-btn span[hidden]{display:none}
.icon-btn svg{width:22px;height:22px}
button{font:inherit;cursor:pointer}
.btn{border:0;border-radius:12px;background:var(--night-2);color:var(--ink);font-weight:700;padding:10px 18px;box-shadow:0 4px 0 rgba(0,0,0,.4)}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.4)}
.btn.small{padding:8px 14px;font-size:15px}
.btn.primary{background:var(--lime);color:#14270A;box-shadow:0 4px 0 var(--lime-dark)}
.btn.big{font-size:1.15rem;padding:12px 28px;width:100%}
.btn.light{background:#E3E9F2;color:var(--paper-ink)}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}

.hud{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap}
.chip{background:var(--night-2);border-radius:999px;padding:8px 16px;font-weight:600;white-space:nowrap}
.chip b{font-family:var(--mono);font-size:1.05rem;font-variant-numeric:tabular-nums}
.face{padding:6px 14px;font-size:1.5rem;line-height:1}
.mode{display:inline-flex;gap:8px;align-items:center;padding:9px 16px}
.mode[aria-pressed="true"]{background:var(--lime);color:#14270A;box-shadow:0 4px 0 var(--lime-dark)}
.mode span:first-child{font-size:1.15rem;line-height:1}

.wrap{min-height:0;overflow:auto;border-radius:16px;background:#111620;padding:8px;display:grid;place-items:center;
  scrollbar-width:thin;scrollbar-color:var(--night-2) transparent}
canvas{display:block;touch-action:none;user-select:none;-webkit-user-select:none;border-radius:8px}
.tip{margin:0;text-align:center;color:var(--muted);font-size:12.5px;font-weight:500}

.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(8,12,20,.76);overflow-y:auto}
.overlay[hidden]{display:none}
.sheet{width:100%;max-width:540px;background:var(--paper);color:var(--paper-ink);border-radius:22px;padding:20px 22px;display:grid;gap:14px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.sheet.center{text-align:center;justify-items:center;max-width:400px}
.sheet h2{margin:0;font-weight:700;font-size:1.9rem;text-align:center}
.lead{margin:0;color:var(--paper-muted);font-weight:600}
.end-title{margin:0;font-weight:700;font-size:1.7rem;text-wrap:balance}
.end-time{margin:0;font-family:var(--mono);font-weight:700;font-size:2.6rem;line-height:1}
.trophy{font-size:58px;line-height:1}
.help{margin:0;font-size:13px;color:var(--paper-muted);line-height:1.55}
fieldset{border:0;margin:0;padding:0;display:grid;gap:8px}
legend{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--paper-muted);margin-bottom:6px;padding:0}
.toggle{display:flex;align-items:center;gap:10px;font-weight:600;cursor:pointer;font-size:14.5px}
.toggle input{width:22px;height:22px;accent-color:var(--paper-ink);flex:none}
.seg{display:flex;border:3px solid rgba(21,26,36,.12);border-radius:12px;overflow:hidden}
.seg label{position:relative;cursor:pointer;flex:1}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 10px;font-size:15px;font-weight:700;color:var(--paper-muted);text-align:center}
.seg span small{display:block;font-family:var(--mono);font-size:11px;font-weight:500;opacity:.8}
.seg label + label span{border-left:2px solid rgba(21,26,36,.1)}
.seg input:checked + span{background:var(--paper-ink);color:#fff}
.seg input:focus-visible + span{outline:3px solid var(--lime-dark);outline-offset:-3px}
.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}

@media (max-width:640px){
  .chip{padding:6px 12px;font-size:14px}
  .mode{padding:7px 12px}
  .tip{font-size:11.5px}
}