:root{
  --bg0:#050a18;
  --bg1:#01020a;
  --panel:rgba(10,14,30,.82);
  --panel2:rgba(10,14,30,.55);
  --ink:#ecf7ff;
  --muted:rgba(236,247,255,.74);

  --accent:#6ee7ff;
  --accent2:#a78bfa;
  --accent3:#44ff92;
  --accent-rgb: 110 231 255;
  --accent2-rgb: 167 139 250;
  --accent3-rgb: 68 255 146;

  --border:rgba(255,255,255,.12);
  --shadow:0 28px 72px rgba(0,0,0,.55);
  --radius:22px;
}

html{
  height:100%;
  color-scheme: dark;
}

html[data-vibe="aurora"]{
  --bg0:#050814;
  --bg1:#01010a;
  --ink:#eaf2ff;
  --muted:rgba(234,242,255,.74);
  --accent:#6ee7ff;
  --accent2:#44ff92;
  --accent3:#a78bfa;
  --accent-rgb: 110 231 255;
  --accent2-rgb: 68 255 146;
  --accent3-rgb: 167 139 250;
}

html[data-vibe="cocoa"]{
  --bg0:#12060b;
  --bg1:#050208;
  --ink:#fff1f6;
  --muted:rgba(255,241,246,.74);
  --accent:#ffb86b;
  --accent2:#ff6b9a;
  --accent3:#44ff92;
  --accent-rgb: 255 184 107;
  --accent2-rgb: 255 107 154;
  --accent3-rgb: 68 255 146;
  --panel:rgba(18,10,14,.82);
  --panel2:rgba(18,10,14,.55);
}

html,body{height:100%}
body{
  margin:0;
  color:var(--ink);
  font-family: ui-rounded, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
  overscroll-behavior: none;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:-20%;
  z-index:-2;
  background:
    radial-gradient(1200px 860px at 18% 18%, rgba(var(--accent-rgb) / .22), transparent 58%),
    radial-gradient(1000px 740px at 80% 26%, rgba(var(--accent2-rgb) / .16), transparent 58%),
    radial-gradient(1000px 740px at 72% 86%, rgba(var(--accent3-rgb) / .14), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  filter:saturate(128%);
  transform: translateZ(0);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.55;
  background:
    radial-gradient(10px 12px at 16% 20%, rgba(255,255,255,.11), transparent 70%),
    radial-gradient(10px 12px at 26% 36%, rgba(255,255,255,.08), transparent 70%),
    radial-gradient(10px 12px at 36% 62%, rgba(255,255,255,.10), transparent 70%),
    radial-gradient(10px 12px at 74% 18%, rgba(255,255,255,.10), transparent 70%),
    radial-gradient(10px 12px at 82% 42%, rgba(255,255,255,.08), transparent 70%),
    radial-gradient(10px 12px at 88% 72%, rgba(255,255,255,.10), transparent 70%),
    linear-gradient(90deg, rgba(255,255,255,.055), transparent 16%, transparent 84%, rgba(255,255,255,.055));
  mix-blend-mode: overlay;
  animation: drift 10s ease-in-out infinite alternate;
}

@keyframes drift{
  from{transform: translate3d(-10px,-12px,0)}
  to{transform: translate3d(10px,12px,0)}
}

.shell{
  width:min(1180px, calc(100vw - 32px));
  position:relative;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.topbar a{
  color:var(--ink);
  text-decoration:none;
  border:1px solid rgba(var(--accent-rgb) / .30);
  padding:8px 10px;
  border-radius:14px;
  background:
    radial-gradient(640px 220px at 20% 30%, rgba(var(--accent-rgb) / .14), transparent 62%),
    radial-gradient(640px 220px at 80% 70%, rgba(var(--accent2-rgb) / .12), transparent 62%),
    rgba(0,0,0,.22);
  box-shadow:0 0 0 1px rgba(0,0,0,.22) inset;
}
.topbar h1{
  margin:0;
  font-size:18px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.pill{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.22);
  padding:8px 10px;
  border-radius:999px;
  color:rgba(255,255,255,.90);
  font-weight:900;
  letter-spacing:.10em;
  text-transform:uppercase;
  font-size:11px;
  box-shadow:0 0 0 1px rgba(var(--accent-rgb) / .10) inset;
}

.panel{
  display:grid;
  grid-template-columns: 1fr 340px;
  gap:16px;
}

.card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:linear-gradient(180deg, var(--panel), var(--panel2));
  padding:16px;
  box-shadow:var(--shadow);
  backdrop-filter: blur(10px);
}

.stageCard{padding:16px}
.stageTop{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.scores{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.scoreBox{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
  border-radius:16px;
  padding:10px 12px;
  min-width:84px;
}
.scoreBox .k{
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(255,255,255,.62);
}
.scoreBox .v{
  margin-top:6px;
  font-size:20px;
  font-weight:920;
  letter-spacing:.02em;
  text-shadow:
    0 0 18px rgba(var(--accent-rgb) / .18),
    0 0 36px rgba(var(--accent2-rgb) / .10);
}
.combo{
  min-height:20px;
  color:rgba(255,255,255,.80);
  font-weight:880;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:11px;
  text-align:right;
}

.stage{position:relative}
canvas{
  display:block;
  width:100%;
  aspect-ratio: 9 / 16;
  background:#02030a;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:
    0 0 0 1px rgba(var(--accent-rgb) / .12) inset,
    0 0 55px rgba(var(--accent2-rgb) / .10);
  touch-action:none;
}

.overlay{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,.28);
  backdrop-filter: blur(10px);
  border-radius:18px;
}
.overlayCard{
  width:min(420px, calc(100% - 28px));
  border-radius:20px;
  border:1px solid rgba(255,255,255,.14);
  background:
    radial-gradient(840px 280px at 18% 22%, rgba(var(--accent-rgb) / .18), transparent 62%),
    radial-gradient(840px 280px at 84% 72%, rgba(var(--accent2-rgb) / .14), transparent 62%),
    rgba(0,0,0,.44);
  padding:16px 16px 14px;
  box-shadow: 0 24px 80px rgba(0,0,0,.58);
}
.overlayTitle{
  font-size:18px;
  font-weight:920;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.overlayText{
  margin-top:8px;
  color:var(--muted);
  line-height:1.45;
}
.overlayActions{
  margin-top:12px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.hint{
  margin-top:12px;
  color:rgba(255,255,255,.76);
  font-size:12px;
  line-height:1.45;
}
.hintBreak{
  display:inline-block;
  margin-left:10px;
  opacity:.85;
}
.msg{
  min-height:18px;
  margin-top:8px;
  color:rgba(255,255,255,.70);
  font-size:12px;
}

.hud h2{
  margin:0 0 12px;
  font-size:15px;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.buttons{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:12px;
}

.btn{
  appearance:none;
  border:1px solid rgba(var(--accent-rgb) / .34);
  background:
    radial-gradient(640px 220px at 20% 25%, rgba(var(--accent-rgb) / .20), transparent 62%),
    radial-gradient(640px 220px at 80% 75%, rgba(var(--accent2-rgb) / .16), transparent 62%),
    rgba(0,0,0,.18);
  color:rgba(255,255,255,.94);
  padding:11px 12px;
  border-radius:16px;
  cursor:pointer;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:11px;
  transition: transform .08s ease, border-color .12s ease, box-shadow .12s ease;
  user-select:none;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover{
  border-color: rgba(var(--accent-rgb) / .52);
  box-shadow:0 0 0 3px rgba(var(--accent-rgb) / .10), 0 0 0 1px rgba(var(--accent-rgb) / .12) inset;
}
.btn:active{transform: translateY(1px)}
.btn:disabled{
  opacity:.55;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}

.btn.secondary{
  border-color: rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  color:rgba(255,255,255,.88);
  font-weight:820;
}
.btn.secondary:hover{
  border-color: rgba(var(--accent-rgb) / .34);
  box-shadow:0 0 0 3px rgba(var(--accent-rgb) / .08);
}

.settings{
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:12px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}

.field{
  display:flex;
  flex-direction:column;
  gap:7px;
}
.field label{
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(255,255,255,.60);
}
.field select{
  appearance:none;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.20);
  color:rgba(255,255,255,.92);
  padding:10px 12px;
  border-radius:14px;
  outline:none;
  font-weight:750;
}
.field select:focus{
  border-color: rgba(var(--accent-rgb) / .38);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb) / .12);
}

.checks{
  display:grid;
  grid-template-columns: 1fr;
  gap:8px;
}
.check{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
  cursor:pointer;
  user-select:none;
}
.check input{
  width:16px;
  height:16px;
  accent-color: var(--accent);
}
.check span{color:rgba(255,255,255,.86); font-size:13px}

.help{
  margin-top:12px;
  color:var(--muted);
  font-size:12px;
  line-height:1.45;
}

kbd, .kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  border:1px solid rgba(255,255,255,.12);
  padding:2px 6px;
  border-radius:8px;
  background:rgba(0,0,0,.25);
}

.hidden{display:none}

@media (max-width: 920px){
  body{
    align-items:flex-start;
    justify-content:flex-start;
    padding:
      max(12px, env(safe-area-inset-top))
      max(12px, env(safe-area-inset-right))
      max(14px, env(safe-area-inset-bottom))
      max(12px, env(safe-area-inset-left));
  }
  .panel{grid-template-columns: 1fr}
}

@media (max-width: 560px){
  .shell{width:calc(100vw - 24px)}
  .row{grid-template-columns: 1fr}
  .scores{gap:8px}
  .scoreBox{min-width:76px}
  .scoreBox .v{font-size:18px}
  .btn{padding:12px 13px}
}

@media (prefers-reduced-motion: reduce){
  body::after{animation:none}
  .btn,.topbar a{transition:none}
}