:root {
  --bank-background: #9fd2da;
  --bank-line: #ffffff;
  --bank-accent: #9fd2da;
  --bank-ink: #180133;
  --bank-white: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--bank-white);
  background: var(--bank-background);
  font-family: Arial, Helvetica, sans-serif;
  overscroll-behavior: none;
  touch-action: manipulation;
}

button {
  font: inherit;
}

.app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: var(--bank-background);
  isolation: isolate;
}

.slide-stage {
  position: absolute;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--bank-background);
  pointer-events: none;
}

.slide-stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.ambient,
.grain,
.meter-screen,
.motivation-stage {
  display: none !important;
}

.overlay {
  visibility: hidden;
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.overlay--visible {
  visibility: visible;
  opacity: 1;
}

.start-screen {
  z-index: 20;
  background: transparent;
}

.start-screen > * {
  display: none;
}

.start-screen .start-round-button {
  position: absolute;
  top: 31.3%;
  left: 29%;
  display: block;
  width: 42%;
  height: 9.3%;
  min-width: 0;
  min-height: 52px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  opacity: 0;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
}

.start-screen .start-round-button:focus-visible {
  outline: 4px solid var(--bank-accent);
  outline-offset: 4px;
  opacity: 0.14;
}

.fullscreen-hint {
  position: absolute;
  z-index: 2;
  top: 42.5%;
  left: 50%;
  display: none;
  color: var(--bank-accent);
  font-size: clamp(14px, 1.35vw, 26px);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
  transform: translateX(-50%);
}

.app.needs-fullscreen-confirmation .start-screen .fullscreen-hint {
  display: block;
  color: var(--bank-ink);
}

.prep-screen {
  z-index: 20;
  background: transparent;
}

.prep-screen > * {
  display: none;
}

.prep-screen #prep-countdown-value {
  position: absolute;
  top: 4.2%;
  right: 3.4%;
  display: grid;
  width: clamp(86px, 8.2vw, 158px);
  aspect-ratio: 1;
  place-items: center;
  border: clamp(3px, 0.28vw, 6px) solid var(--bank-white);
  border-radius: 50%;
  color: var(--bank-ink);
  font-size: clamp(48px, 5.3vw, 102px);
  font-weight: 950;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-value--updated {
  animation: countdown-pop 480ms cubic-bezier(0.16, 1, 0.3, 1);
}

.round-timer,
.peak-record {
  position: absolute;
  z-index: 22;
  top: 3.6%;
  display: none;
  min-width: clamp(150px, 12vw, 230px);
  min-height: clamp(76px, 7.2vw, 138px);
  align-items: center;
  justify-content: center;
  gap: 0.35em;
  padding: 0.7em 1em;
  border: clamp(2px, 0.2vw, 4px) solid var(--bank-white);
  border-radius: 999px;
  color: var(--bank-ink);
  background: rgba(159, 210, 218, 0.9);
  font-variant-numeric: tabular-nums;
}

.round-timer {
  right: 3.4%;
}

.round-timer > span,
.peak-record > span {
  font-size: clamp(11px, 0.9vw, 18px);
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.round-timer strong,
.peak-record strong {
  font-size: clamp(38px, 4vw, 76px);
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 0.8;
}

.round-timer small,
.peak-record small {
  font-size: clamp(13px, 1.15vw, 22px);
  font-weight: 900;
}

.peak-record {
  left: 3.4%;
}

.peak-record div {
  display: flex;
  align-items: baseline;
  gap: 0.28em;
}

.app[data-state="ACTIVE"] .round-timer,
.app[data-state="ACTIVE"] .peak-record {
  display: flex;
}

.result-screen {
  z-index: 20;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
}

.result-screen > *:not(.result-peak):not(.countdown) {
  display: none;
}

.result-peak {
  position: absolute;
  z-index: 2;
  top: 23.5%;
  left: 50%;
  display: grid;
  width: clamp(290px, 25vw, 480px);
  aspect-ratio: 2.15 / 1;
  place-items: center;
  border: clamp(3px, 0.3vw, 6px) solid var(--bank-white);
  border-radius: 50%;
  color: var(--bank-ink);
  white-space: nowrap;
  transform: translateX(-50%);
}

.result-peak__reading {
  display: flex;
  align-items: baseline;
  gap: 0.35em;
  transform: translateY(0.03em);
}

.result-peak strong {
  font-size: clamp(52px, 6vw, 116px);
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 0.8;
  font-variant-numeric: tabular-nums;
}

.result-peak span {
  font-size: clamp(20px, 2.4vw, 46px);
  font-weight: 900;
}

.countdown {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto;
  align-items: center;
  gap: clamp(18px, 2.2vw, 42px);
  min-height: clamp(68px, 7.2vh, 96px);
  padding: 14px clamp(28px, 4vw, 76px);
  color: var(--bank-white);
  background: var(--bank-ink);
  font-size: clamp(16px, 1.35vw, 26px);
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.countdown strong {
  font-size: 1.2em;
}

.countdown small {
  font-size: clamp(12px, 1vw, 19px);
  font-weight: 700;
  text-align: right;
}

.countdown__track {
  height: clamp(8px, 0.75vw, 14px);
  overflow: hidden;
  border: 2px solid var(--bank-white);
  border-radius: 999px;
  background: transparent;
}

.countdown__track i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--bank-background);
  transform: scaleX(1);
  transform-origin: left center;
  will-change: transform;
}

@keyframes countdown-pop {
  from { opacity: 0; transform: scale(1.9); }
  to { opacity: 1; transform: scale(1); }
}

.error-screen {
  z-index: 30;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 18px;
  padding: 40px;
  text-align: center;
  background: var(--bank-background);
  cursor: pointer;
  pointer-events: auto;
}

.error-screen__icon {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border: 3px solid var(--bank-accent);
  border-radius: 50%;
  color: var(--bank-accent);
  font-size: 42px;
  font-weight: 900;
}

.error-screen .eyebrow {
  margin: 0;
  color: var(--bank-accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.error-screen h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(30px, 5vw, 68px);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.error-screen p:not(.eyebrow) {
  max-width: 720px;
  margin: 0;
  font-size: clamp(16px, 2vw, 24px);
  line-height: 1.35;
}

.retry-label {
  margin-top: 14px;
  padding: 16px 30px;
  border: 2px solid var(--bank-white);
  border-radius: 999px;
  font-weight: 800;
}

.app[data-state="ERROR"] .slide-stage {
  visibility: hidden;
}

@media (max-aspect-ratio: 3 / 4) {
  .start-screen .start-round-button {
    top: 31.3%;
    left: 9%;
    width: 82%;
  }

  .countdown {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
  }

  .countdown small {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}