:root{
  --bg:#DCEFFF;
  --ink:#1E2A44;
  --muted:#5A6B88;
  --blue:#3D8BFD;
  --red:#E5484D;
  --gold:#FFD166;
  --paper:#FFFFFF;
  --paper-ink:#173B28;
  --paper-muted:#5E7A68;
  --font:"Rubik", "Segoe UI", system-ui, sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{background:var(--bg)}
body{margin:0;color:var(--ink);font:16px/1.35 var(--font);padding-inline:8px;padding-block:6px 8px;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;
  background:radial-gradient(110% 70% at 50% 30%,#F2F9FF 0%,#C9E4FA 80%) fixed,var(--bg)}
.app{max-width:1000px;margin-inline:auto;width:100%;height:calc(100vh - 14px);height:calc(100dvh - 14px);min-height:320px;display:grid;grid-template-rows:auto auto 1fr auto;grid-template-columns:minmax(0,1fr);gap:6px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px}
.back{color:var(--muted);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap}
.back:hover{color:var(--ink)}
.title{margin:0;font-weight:800;font-size:clamp(1.15rem,3.8vw,1.8rem);white-space:nowrap}
.title span{color:#3D8BFD}
.bar-actions{display:flex;gap:8px}
.icon-btn{width:42px;height:42px;border-radius:12px;border:0;background:rgba(30,42,68,.08);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0;font-size:19px}
button{font:inherit;cursor:pointer}
.btn{border:0;border-radius:12px;background:#E6F2EA;color:var(--paper-ink);font-weight:700;padding:10px 18px;box-shadow:0 4px 0 rgba(0,0,0,.2)}
.btn:active{translate:0 3px;box-shadow:0 1px 0 rgba(0,0,0,.2)}
.btn.primary{background:var(--gold);color:#3D2B00;box-shadow:0 4px 0 #B8902A}
.btn.big{font-size:1.15rem;padding:12px 26px;width:100%}
.btn[hidden]{display:none}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

.score{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap}
.side{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.8);border-radius:999px;padding:4px 12px;font-size:15px}
.pts{font-weight:800;font-size:1.25rem;color:var(--gold);font-variant-numeric:tabular-nums}
.hearts{font-size:13px;letter-spacing:1px}
.vs{color:var(--muted);font-size:13px}
.dot{width:14px;height:14px;border-radius:50%;display:inline-block}
.dot.b{background:var(--blue)} .dot.r{background:var(--red)}

.stage{position:relative;min-height:0;touch-action:none}
canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;user-select:none;-webkit-user-select:none}
.rotate{position:absolute;z-index:1;left:50%;top:4px;translate:-50% 0;margin:0;font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap;pointer-events:none}
@media (orientation:landscape),(hover:hover) and (pointer:fine){ .rotate{display:none} }

.pads{display:flex;justify-content:space-between;align-items:center;gap:10px}
.pad{display:flex;align-items:center;gap:10px}
.dpad{display:grid;grid-template-columns:repeat(3,44px);grid-template-rows:repeat(3,40px);gap:3px;grid-template-areas:". u ." "l . r" ". d ."}
.dpad .u{grid-area:u} .dpad .l{grid-area:l} .dpad .r{grid-area:r} .dpad .d{grid-area:d}
.pad button{border:0;border-radius:12px;color:#fff;font-size:18px;touch-action:none;user-select:none;-webkit-user-select:none;box-shadow:0 3px 0 rgba(0,0,0,.35)}
.pad.p0 button{background:rgba(61,139,253,.6)} .pad.p1 button{background:rgba(229,72,77,.6)}
.pad .bomb{width:70px;height:70px;border-radius:50%;font-size:30px}
.pad button.on{filter:brightness(1.5);translate:0 2px;box-shadow:0 1px 0 rgba(0,0,0,.35)}
.pad[hidden]{visibility:hidden;display:flex}
@media (hover:hover) and (pointer:fine){ .pads{display:none} }
@media (max-height:520px) and (orientation:landscape){
  .app{grid-template-columns:auto minmax(0,1fr) auto;grid-template-rows:auto auto 1fr;column-gap:8px}
  .bar,.score{grid-column:1 / -1}
  .bar{min-height:34px} .icon-btn{width:34px;height:34px}
  .stage{grid-column:2;grid-row:3}
  .pads{display:contents}
  .pad{grid-row:3;flex-direction:column;justify-content:center}
  .pad.p0{grid-column:1;flex-direction:column-reverse} .pad.p1{grid-column:3}
  .dpad{grid-template-columns:repeat(3,38px);grid-template-rows:repeat(3,36px)}
  .pad .bomb{width:60px;height:60px}
}

.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(5,15,10,.82);overflow-y:auto}
.overlay[hidden]{display:none}
.sheet{width:100%;max-width:470px;background:var(--paper);color:var(--paper-ink);border-radius:22px;padding:18px 20px;display:grid;gap:10px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.sheet.center{text-align:center;justify-items:center}
.sheet h2{margin:0;font-size:1.5rem}
.help{margin:0;font-size:13.5px;color:var(--paper-muted);line-height:1.55}
.help.small{font-size:12.5px}
.help b{color:var(--paper-ink)}
.trophy{font-size:54px;line-height:1}
.end-title{margin:0;font-weight:800;font-size:1.6rem;text-wrap:balance}
.lead{margin:0;color:var(--paper-muted);font-weight:700}
.lead:empty{display:none}
fieldset{border:0;margin:0;padding:0;display:grid;gap:6px;min-width:0}
fieldset[hidden]{display:none}
legend{font-size:12.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--paper-muted);margin-bottom:3px;padding:0}
.seg{display:flex;border:3px solid rgba(23,59,40,.12);border-radius:12px;overflow:hidden}
.seg label{position:relative;cursor:pointer;flex:1;min-width:0}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 6px;font-size:14px;font-weight:700;color:var(--paper-muted);text-align:center}
.seg label + label span{border-left:2px solid rgba(23,59,40,.1)}
.seg input:checked + span{background:var(--paper-ink);color:#fff}
.names{display:grid;gap:8px}
.names label{display:flex;align-items:center;gap:8px}
.names input[type=text]{flex:1;min-width:0;font:700 1rem var(--font);color:var(--paper-ink);padding:8px 10px;border-radius:11px;border:3px solid rgba(23,59,40,.12);background:#EFF6F1}
.toggle{display:flex;align-items:center;gap:4px;font-weight:700;white-space:nowrap}
.toggle input{width:20px;height:20px;accent-color:var(--paper-ink)}

@media (max-width:640px){
  .back-tx{display:none}
  .back{font-size:20px}
  .side{font-size:13px;padding:3px 9px}
}