:root {
  --cobalt: #1b2cc1;
  --cobalt-2: #2438d8;
  --cobalt-deep: #111b86;
  --cream: #fff6e5;
  --cream-2: #f3e8d2;
  --ink: #0e0f1a;
  --ink-mute: #5b5a66;
  --hi: #b6ff3b;
  --hi-ink: #2f5b00;
  --lo: #ff4d3d;
  --gold: #ffc83d;
  --line: rgba(255, 246, 229, 0.16);
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--cobalt); color: var(--cream);
  font: 16px/1.5 var(--display); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
button { font: inherit; color: inherit; cursor: pointer; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* ------------------------------------------------------------ top */
.top {
  display: flex; align-items: center; gap: 20px;
  padding: 14px max(16px, calc((100% - 1120px) / 2));
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--cream); font: 800 26px/1 var(--display); letter-spacing: -0.03em; }
.brand.small { font-size: 20px; color: var(--ink); }
.mark { width: 26px; height: 34px; }
.modes { display: flex; gap: 4px; padding: 4px; background: var(--cobalt-deep); border-radius: 999px; margin-left: auto; }
.mode { background: none; border: 0; padding: 8px 14px; border-radius: 999px; font-weight: 600; font-size: 14px; color: rgba(255, 246, 229, 0.7); display: flex; align-items: center; gap: 6px; }
.mode:hover { color: var(--cream); }
.mode[aria-selected="true"] { background: var(--cream); color: var(--ink); }
.pre { font: 700 9px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 5px; border-radius: 3px; background: var(--gold); color: var(--ink); }
.token-pill { font: 500 12px/1 var(--mono); text-decoration: none; color: var(--cream); border: 1px solid var(--line); padding: 9px 12px; border-radius: 999px; white-space: nowrap; }
.token-pill b { color: var(--gold); }

/* ------------------------------------------------------------ stage */
.stage-wrap {
  width: min(1000px, 100% - 32px); margin: 0 auto; padding: 28px 0 56px;
  position: relative;
}
.stage-wrap::before {
  /* the studio light */
  content: ""; position: absolute; inset: -40px -30% auto; height: 520px; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.16), transparent);
}
.hud { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.hud-l, .hud-r { display: flex; flex-direction: column; gap: 2px; }
.hud-r { align-items: flex-end; }
.hud-label { font: 700 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); }
.hud-sub { font: 500 13px/1.3 var(--mono); color: rgba(255, 246, 229, 0.75); }
#best { font-size: 22px; font-weight: 800; color: var(--cream); }
.streak { display: flex; flex-direction: column; align-items: center; }
.streak-n { font: 800 72px/0.9 var(--display); letter-spacing: -0.04em; color: var(--cream); transition: transform .25s cubic-bezier(.3, 1.6, .5, 1); }
.streak-n.bump { transform: scale(1.25); color: var(--hi); }
.streak-l { font: 700 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255, 246, 229, 0.6); margin-top: 6px; }

.question {
  margin: 26px auto 22px; max-width: 30em; text-align: center;
  font: 600 clamp(20px, 2.6vw, 28px)/1.25 var(--display); letter-spacing: -0.01em;
}
.question b { font-weight: 800; }
.question .q-metric { background: var(--cream); color: var(--ink); padding: 0 8px; border-radius: 6px; white-space: nowrap; }

.stage { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; position: relative; }
.vs {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: var(--ink); color: var(--gold); font: 800 16px/1 var(--display); border: 3px solid var(--cream);
}
.slot { min-width: 0; }

/* the playing card */
.card {
  position: relative; background: var(--cream); color: var(--ink);
  border-radius: 20px; padding: 18px 44px 40px; min-height: 380px; display: flex; flex-direction: column;
  box-shadow: 0 2px 0 var(--cream-2), 0 22px 40px -18px rgba(5, 8, 60, 0.75);
  transition: transform .45s cubic-bezier(.2, .8, .2, 1), opacity .35s ease;
}
.card::after { /* inner border, like a printed card */
  content: ""; position: absolute; inset: 8px; border: 1.5px solid rgba(14, 15, 26, 0.12); border-radius: 14px; pointer-events: none;
}
.corner { position: absolute; font: 800 13px/1 var(--mono); letter-spacing: 0.02em; display: flex; flex-direction: column; align-items: center; gap: 3px; }
.corner.tl { top: 18px; left: 18px; }
.corner.br { bottom: 18px; right: 18px; transform: rotate(180deg); }
.corner i { font-style: normal; font-size: 10px; }
.badge {
  width: 64px; height: 64px; border-radius: 16px; margin: 14px auto 0;
  display: grid; place-items: center; font: 800 20px/1 var(--display); letter-spacing: -0.03em; color: var(--cream);
}
.card-name { text-align: center; margin-top: 10px; font: 800 clamp(20px, 2.4vw, 28px)/1.05 var(--display); letter-spacing: -0.02em; }
.card-sub { text-align: center; font: 500 11px/1.2 var(--mono); color: var(--ink-mute); margin-top: 4px; }
.card svg.spark { display: block; width: 100%; height: 64px; margin: 16px auto 18px; }
.spark path { fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.card-metric { margin-top: auto; text-align: center; font: 700 11px/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-mute); }
.card-value {
  text-align: center; font: 800 clamp(34px, 4.6vw, 54px)/1 var(--mono); letter-spacing: -0.04em; margin-top: 6px;
  min-height: 1em;
}
.card-value.pos { color: var(--hi-ink); }
.card-value.neg { color: #c42a1c; }
.card-value.hidden { color: transparent; position: relative; }
.card-value.hidden::before {
  content: "?"; position: absolute; inset: 0; color: var(--ink);
  background: repeating-linear-gradient(-45deg, var(--cream-2) 0 8px, transparent 8px 16px); border-radius: 10px;
  display: grid; place-items: center; animation: wobble 2.4s ease-in-out infinite;
}
@keyframes wobble { 50% { transform: rotate(-2deg) scale(1.03); } }
.card.right-win { box-shadow: 0 0 0 4px var(--hi), 0 22px 40px -18px rgba(5, 8, 60, 0.75); }
.card.right-lose { box-shadow: 0 0 0 4px var(--lo), 0 22px 40px -18px rgba(5, 8, 60, 0.75); animation: shake .4s; }
@keyframes shake { 25% { transform: translateX(-8px) rotate(-1deg); } 75% { transform: translateX(8px) rotate(1deg); } }
.stage.advance .left .card { transform: translateX(-30%) rotate(-8deg); opacity: 0; }
.stage.advance .right .card { transform: translateX(calc(-100% - 88px)); }
.card.enter { animation: deal .45s cubic-bezier(.2, .8, .2, 1); }
@keyframes deal { from { transform: translateX(40%) rotate(10deg); opacity: 0; } }

.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.guess {
  border: 0; border-radius: 16px; padding: 20px; font: 800 24px/1 var(--display); letter-spacing: -0.02em;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.35); transition: transform .08s ease, box-shadow .08s ease, filter .15s ease;
}
.guess:active { transform: translateY(4px); box-shadow: 0 2px 0 rgba(0, 0, 0, 0.35); }
.guess:hover { filter: brightness(1.06); }
.guess:disabled { filter: grayscale(0.6) brightness(0.8); cursor: default; }
.guess.hi { background: var(--hi); color: var(--ink); }
.guess.lo { background: var(--lo); color: var(--ink); }
.guess .arrow { font-size: 18px; }
.guess kbd { font: 700 11px/1 var(--mono); padding: 4px 6px; border-radius: 4px; background: rgba(14, 15, 26, 0.14); }
.trail { display: flex; flex-wrap: wrap; justify-content: center; gap: 5px; margin-top: 22px; min-height: 14px; }
.trail i { width: 14px; height: 14px; border-radius: 4px; background: var(--hi); }
.trail i.miss { background: var(--lo); }

/* ------------------------------------------------------------ token */
.token { background: var(--ink); padding: 80px 0; }
.kicker { font: 700 12px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin: 0 0 16px; }
.kicker.ink { color: var(--cobalt); }
h2 { font: 800 clamp(34px, 5vw, 64px)/1 var(--display); letter-spacing: -0.035em; margin: 0; }
h2 em { font-style: normal; color: var(--gold); }
h2.ink { color: var(--ink); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.step { border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.step-n { font: 800 13px/1 var(--mono); color: var(--gold); }
.step h3 { font: 800 22px/1.1 var(--display); margin: 14px 0 8px; letter-spacing: -0.02em; }
.step p { margin: 0; color: rgba(255, 246, 229, 0.72); font-size: 15px; }
.step b { color: var(--cream); }
.ledger { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 16px; margin-top: 16px; }
.meter-card { background: #171930; border-radius: 18px; padding: 20px 22px; display: flex; flex-direction: column; gap: 6px; }
.m-label { font: 700 11px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255, 246, 229, 0.6); }
.m-label i { font-style: normal; text-transform: none; letter-spacing: 0; }
.m-value { font: 800 40px/1 var(--mono); letter-spacing: -0.04em; }
.m-note { font-size: 13px; color: rgba(255, 246, 229, 0.55); }
.board { margin: 6px 0 0; padding: 0; list-style: none; font: 500 13px/1 var(--mono); }
.board li { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.board li:last-child { border-bottom: 0; }
.board li b { color: var(--gold); }
.board .empty { color: rgba(255, 246, 229, 0.5); }
.fine { margin: 22px 0 0; font-size: 13px; color: rgba(255, 246, 229, 0.55); max-width: 60em; }

/* ------------------------------------------------------------ deck */
.deck { background: var(--cream); color: var(--ink); padding: 72px 0; }
.deck-sub { color: var(--ink-mute); margin: 14px 0 0; }
.deck-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-top: 30px; }
.mini { background: #fff; border: 1px solid var(--cream-2); border-radius: 14px; padding: 12px; display: flex; gap: 10px; align-items: center; }
.mini .badge { width: 38px; height: 38px; border-radius: 10px; margin: 0; font-size: 12px; flex: none; }
.mini b { display: block; font: 800 14px/1.1 var(--mono); }
.mini span { display: block; font-size: 12px; color: var(--ink-mute); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini { min-width: 0; }
.mini > div { min-width: 0; }

.foot { background: var(--cream); color: var(--ink-mute); border-top: 1px solid var(--cream-2); padding: 20px 0 40px; font-size: 13px; }
.foot-row { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.tag { font: 700 11px/1 var(--mono); letter-spacing: 0.08em; padding: 4px 7px; border-radius: 4px; background: var(--cream-2); color: var(--ink); text-transform: uppercase; }

/* ------------------------------------------------------------ modals */
.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(8, 10, 50, 0.7); backdrop-filter: blur(6px); }
.modal[hidden] { display: none; }
.sheet { width: min(520px, 100%); background: var(--cream); color: var(--ink); border-radius: 24px; padding: 28px; animation: pop .3s cubic-bezier(.3, 1.4, .5, 1); max-height: 100%; overflow: auto; }
@keyframes pop { from { transform: scale(0.9); opacity: 0; } }
.sheet h2 { font-size: clamp(30px, 6vw, 44px); }
.over-why { color: var(--ink-mute); margin: 12px 0 0; }
.over-why b { color: var(--ink); }
.share-grid { display: flex; flex-wrap: wrap; gap: 4px; margin: 18px 0 0; }
.share-grid i { width: 18px; height: 18px; border-radius: 4px; background: #49b000; }
.share-grid i.miss { background: var(--lo); }
.sheet-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.btn { border: 1.5px solid var(--ink); background: transparent; border-radius: 12px; padding: 12px 18px; font-weight: 700; }
.btn.primary { background: var(--ink); color: var(--cream); }
.btn.ghost { border-color: transparent; color: var(--ink-mute); }
.btn:hover { filter: brightness(1.1); }
.sheet-note { font-size: 13px; color: var(--ink-mute); margin: 16px 0 0; }
.receipt { margin: 20px 0 0; border-top: 2px dashed var(--cream-2); font: 500 13px/1.3 var(--mono); }
.receipt div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 2px dashed var(--cream-2); }
.receipt dt { color: var(--ink-mute); }
.receipt dd { margin: 0; text-align: right; }
.receipt .warn { color: #b3261e; font-weight: 700; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; background: var(--ink); color: var(--cream); padding: 10px 16px; border-radius: 10px; font: 600 14px var(--display); transition: .25s; pointer-events: none; z-index: 60; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ------------------------------------------------------------ small screens */
@media (max-width: 760px) {
  .top { flex-wrap: wrap; gap: 10px; }
  .token-pill { order: 2; margin-left: auto; }
  .modes { order: 3; margin: 0; width: 100%; justify-content: space-between; }
  .mode { flex: 1; justify-content: center; padding: 9px 6px; }
  .steps, .ledger { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stage-wrap { padding-top: 18px; }
  .streak-n { font-size: 56px; }
  .stage { gap: 8px; }
  .vs { width: 34px; height: 34px; font-size: 12px; border-width: 2px; }
  .card { padding: 12px 10px 30px; border-radius: 16px; min-height: 250px; }
  .card svg.spark { height: 40px; margin: 10px auto 12px; }
  .card::after { inset: 5px; border-radius: 12px; }
  .corner { font-size: 10px; }
  .corner.tl { top: 12px; left: 12px; }
  .corner.br { bottom: 12px; right: 12px; }
  .badge { width: 46px; height: 46px; font-size: 15px; border-radius: 12px; margin-top: 18px; }
  .card-sub { display: none; }
  .card-value { font-size: 26px; }
  .card-metric { font-size: 9px; }
  .stage.advance .right .card { transform: translateX(calc(-100% - 42px)); }
  .guess { font-size: 20px; padding: 18px 10px; }
  .guess kbd { display: none; }
  .question { margin: 18px auto 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; transition: none !important; }
}