:root {
  --ink: #14110e;
  --paper: #f6efe4;
  --mute: rgba(246, 239, 228, 0.55);
  --a: #e8a03a;
  --a-ink: #2a1a04;
  --b: #3ec1b0;
  --b-ink: #06221e;
  --signal: #ff4d3a;
  --display: "Bebas Neue", Impact, sans-serif;
  --body: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
}

[hidden] { display: none !important; }

.screen {
  min-height: 100dvh;
  padding: clamp(1.2rem, 4vw, 2.4rem);
  max-width: 40rem;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--display);
  letter-spacing: 0.32em;
  font-size: 0.78rem;
  color: var(--a);
}

h1 {
  font-family: var(--display);
  font-size: clamp(4.6rem, 18vw, 7.6rem);
  line-height: 0.82;
  letter-spacing: 0.04em;
}

h2 {
  font-family: var(--display);
  font-size: clamp(2.4rem, 9vw, 3.8rem);
  line-height: 0.92;
  letter-spacing: 0.04em;
  margin: 0.2rem 0 0.7rem;
}

h3 {
  font-family: var(--display);
  letter-spacing: 0.16em;
  margin: 1.2rem 0 0.45rem;
  font-size: 1.05rem;
  color: var(--b);
}

.lead, .hint {
  color: var(--mute);
  line-height: 1.45;
  margin: 0.75rem 0 1rem;
  font-size: 1.08rem;
}

.heat { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.heat-btn {
  flex: 1;
  min-width: 6rem;
  appearance: none;
  border: 1px solid rgba(246, 239, 228, 0.2);
  background: rgba(0, 0, 0, 0.35);
  color: var(--mute);
  font-family: var(--display);
  letter-spacing: 0.1em;
  padding: 0.75rem 0.3rem;
  cursor: pointer;
}
.heat-btn.on {
  color: var(--a-ink);
  background: var(--a);
  border-color: var(--a);
}

.cta, .ghost {
  appearance: none;
  cursor: pointer;
  font-family: var(--display);
  letter-spacing: 0.1em;
  font-size: 1.15rem;
}
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: var(--a);
  color: var(--a-ink);
  padding: 0.85rem 1.2rem;
  min-width: 10.5rem;
  margin-top: 0.4rem;
}
.cta:hover { filter: brightness(1.06); }
.cta.ghost, .ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(246, 239, 228, 0.28);
  padding: 0.55rem 0.85rem;
  min-width: 0;
}

.back {
  display: inline-block;
  margin-top: 1rem;
  color: var(--mute);
  text-decoration: none;
}
.back:hover { color: var(--a); }

.play {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr 1fr auto;
}

.top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.85rem 0.45rem;
}
.round {
  flex: 1;
  font-family: var(--display);
  letter-spacing: 0.14em;
  font-size: 1.15rem;
}
.hint-mini {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mute);
}

.camp {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 1.2rem 1.3rem;
  font-family: var(--display);
  font-size: clamp(1.7rem, 6.5vw, 2.55rem);
  letter-spacing: 0.03em;
  line-height: 1.12;
  text-align: left;
}
.camp.a { background: var(--a); color: var(--a-ink); }
.camp.b { background: var(--b); color: var(--b-ink); }
.camp:hover { filter: brightness(1.05); }
.camp:active { filter: brightness(0.92); }

.tie {
  appearance: none;
  border: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--display);
  letter-spacing: 0.14em;
  font-size: 1.05rem;
  padding: 0.95rem 1rem calc(0.95rem + env(safe-area-inset-bottom));
  cursor: pointer;
}
.tie:hover { color: var(--a); }

.result { text-align: center; padding-top: 14vh; }
.result h2 { max-width: 18ch; margin-left: auto; margin-right: auto; }

@media (min-width: 720px) {
  .play {
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 1fr 1fr;
  }
  .top, .tie { grid-column: 1 / -1; }
}