:root { color-scheme: dark; }

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  background: #12141c;
  color: #eef3f1;
  font: 18px/1.4 ui-sans-serif, system-ui, sans-serif;
  padding: max(18px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}

main { max-width: 26rem; margin: 0 auto; text-align: center; }

.kicker {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: #7ee0c6;
}

h1 { margin: 0.15rem 0 0.4rem; font-size: 2rem; }

.beat {
  width: 140px;
  height: 140px;
  margin: 0.4rem auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #1c2430;
  color: #7ee0c6;
  font: 650 4.5rem/1 ui-monospace, Menlo, Consolas, monospace;
  box-shadow: inset 0 0 0 2px #2a3844;
}

.beat.accent { background: #7ee0c6; color: #10211c; }
.beat.pulse { transform: scale(1.04); }

@media (prefers-reduced-motion: reduce) {
  .beat.pulse { transform: none; }
}

.bpm-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin: 0.4rem 0;
}

.bpm-row strong { font: 650 2.4rem/1 ui-monospace, Menlo, Consolas, monospace; }
.unit { display: block; font-size: 0.8rem; color: #b7c4c0; }

button, input { font: 650 1rem/1 ui-sans-serif, system-ui, sans-serif; }
button {
  min-height: 48px;
  min-width: 48px;
  border: 0;
  border-radius: 12px;
  background: #24303a;
  color: inherit;
  cursor: pointer;
}
button.on, .go { background: #7ee0c6; color: #10211c; }
button:focus-visible, input:focus-visible { outline: 2px solid #7ee0c6; outline-offset: 2px; }

input[type="range"] { width: 100%; margin: 0.4rem 0 0.8rem; }

.label { margin: 0.2rem 0 0.4rem; font-size: 0.85rem; font-weight: 750; }
.picks { display: flex; justify-content: center; gap: 0.4rem; }
.plain { color: #c5d2ce; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-top: 0.6rem; }
.controls button { min-height: 56px; }