:root {
  --night: #0a0c24;
  --night-soft: #151833;
  --cream: #f3e7c5;
  --cream-dim: #cfc4a9;
  --gold: #f3b95f;
  --rose: #d98972;
  --blue: #7d8cc4;
  --rule: rgba(243, 231, 197, 0.22);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, sans-serif;
  --mono: "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--night);
}

body {
  min-height: 100dvh;
  color: var(--cream);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 14%, rgba(243, 185, 95, 0.09), transparent 30rem),
    radial-gradient(circle at 12% 80%, rgba(125, 140, 196, 0.1), transparent 30rem),
    var(--night);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.38;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  z-index: 10;
}

.page {
  width: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: max(14px, env(safe-area-inset-top)) 14px max(12px, env(safe-area-inset-bottom));
}

.game-bar {
  width: min(100%, 430px);
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
}

.shelf-link,
.bar-button {
  appearance: none;
  border: 0;
  padding: 6px 0;
  background: transparent;
  color: var(--cream-dim);
  font: 600 8px/1 var(--mono);
  letter-spacing: 0.14em;
  text-decoration: none;
  cursor: pointer;
}

.shelf-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.shelf-link span {
  font-size: 13px;
  line-height: 0.7;
  transition: transform 160ms ease;
}

.shelf-link:hover span,
.shelf-link:focus-visible span {
  transform: translateX(-3px);
}

.bar-title {
  margin: 0 0 0 auto;
  font: 600 9px/1 var(--mono);
  letter-spacing: 0.22em;
  color: var(--gold);
}

.bar-title span {
  color: var(--cream-dim);
  opacity: 0.6;
}

.bar-actions {
  display: flex;
  gap: 13px;
}

.bar-button {
  color: var(--cream-dim);
  opacity: 0.8;
}

.bar-button:disabled {
  opacity: 0.28;
  cursor: default;
}

.bar-button:not(:disabled):hover,
.bar-button:not(:disabled):focus-visible,
.shelf-link:hover,
.shelf-link:focus-visible {
  color: var(--cream);
}

.stage-wrap {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.stage {
  position: relative;
  width: min(100%, calc((100dvh - 114px) * 0.5625), 430px);
  aspect-ratio: 9 / 16;
  border-radius: 7px;
  overflow: hidden;
  background: #080a1c;
  box-shadow:
    0 0 0 1px rgba(243, 231, 197, 0.2),
    0 26px 80px rgba(0, 0, 0, 0.65),
    0 0 90px rgba(243, 185, 95, 0.05);
  touch-action: none;
  isolation: isolate;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 35px 30px;
  background:
    radial-gradient(circle at 50% 38%, rgba(17, 21, 50, 0.38), rgba(8, 10, 28, 0.92) 66%),
    rgba(8, 10, 28, 0.82);
  animation: overlay-in 450ms ease both;
}

.overlay[hidden] {
  display: none;
}

.title-screen {
  justify-content: flex-end;
  padding-bottom: 40px;
  background:
    linear-gradient(to bottom, rgba(8, 10, 28, 0.05) 0, rgba(8, 10, 28, 0.2) 34%, rgba(8, 10, 28, 0.93) 72%, #080a1c 100%);
}

.title-screen::before {
  content: "";
  position: absolute;
  top: 15%;
  left: 50%;
  width: 64%;
  aspect-ratio: 1;
  border: 1px solid rgba(243, 185, 95, 0.15);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow:
    0 0 0 18px rgba(243, 185, 95, 0.025),
    0 0 0 60px rgba(243, 185, 95, 0.018);
}

.eyebrow {
  margin: 0 0 17px;
  font: 600 7.5px/1.4 var(--mono);
  letter-spacing: 0.23em;
  color: var(--gold);
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.025em;
}

h1 {
  position: relative;
  font-size: clamp(82px, 21vw, 116px);
  line-height: 0.72;
  letter-spacing: 0.035em;
  color: var(--cream);
  text-shadow: 0 0 55px rgba(243, 185, 95, 0.16);
}

h2 {
  font-size: clamp(38px, 10vw, 52px);
  line-height: 0.98;
}

.subtitle {
  margin: 20px 0 0;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.23;
  color: var(--cream);
}

.intro-copy {
  max-width: 260px;
  margin: 18px 0 0;
  color: var(--cream-dim);
  font-size: 12px;
  line-height: 1.65;
}

.main-button {
  appearance: none;
  width: min(100%, 252px);
  min-height: 48px;
  margin-top: 26px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  padding: 13px 20px 12px;
  background: var(--gold);
  color: #171528;
  font: 700 9px/1.2 var(--mono);
  letter-spacing: 0.17em;
  cursor: pointer;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.34);
  transition: background 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.main-button:hover,
.main-button:focus-visible {
  background: #ffd18b;
  transform: translateY(-1px);
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.34);
}

.main-button:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.34);
}

.how {
  margin: 20px 0 0;
  font: 500 7.5px/1.75 var(--mono);
  letter-spacing: 0.12em;
  color: rgba(207, 196, 169, 0.62);
}

.best-line {
  margin: 15px 0 0;
  color: var(--gold);
  font: 500 8px/1.4 var(--mono);
  letter-spacing: 0.1em;
}

.text-button {
  appearance: none;
  border: 0;
  padding: 15px 6px 4px;
  background: transparent;
  color: var(--cream-dim);
  font: 600 8px/1 var(--mono);
  letter-spacing: 0.14em;
  cursor: pointer;
}

.text-link {
  margin-top: 14px;
  color: var(--cream-dim);
  font: 600 8px/1 var(--mono);
  letter-spacing: 0.14em;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.text-button:hover,
.text-button:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--cream);
}

.result-screen {
  justify-content: center;
  background:
    radial-gradient(circle at 50% 32%, rgba(243, 185, 95, 0.13), transparent 42%),
    rgba(8, 10, 28, 0.95);
}

.result-screen .eyebrow {
  margin-bottom: 12px;
}

.result-title {
  font-size: clamp(35px, 9vw, 46px);
}

.result-rank {
  margin: 21px 0 0;
  color: var(--gold);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.25em;
}

.result-note {
  margin: 6px 0 0;
  color: var(--cream-dim);
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
}

.result-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 22px;
}

.result-score span {
  font-family: var(--serif);
  font-size: 76px;
  line-height: 0.82;
  letter-spacing: -0.05em;
}

.result-score small {
  margin-top: 9px;
  color: var(--gold);
  font: 600 7px/1 var(--mono);
  letter-spacing: 0.2em;
}

.result-stats {
  width: min(100%, 270px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 25px 0 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.result-stats div {
  padding: 13px 5px 11px;
  border-right: 1px solid var(--rule);
}

.result-stats div:last-child {
  border-right: 0;
}

.result-stats dt {
  font: 600 6.5px/1.2 var(--mono);
  letter-spacing: 0.13em;
  color: var(--cream-dim);
}

.result-stats dd {
  margin: 5px 0 0;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1;
  color: var(--cream);
}

.result-screen .main-button {
  margin-top: 27px;
}

.corner-mark {
  position: absolute;
  right: 15px;
  bottom: 14px;
  z-index: 2;
  color: rgba(243, 231, 197, 0.34);
  font: 500 6.5px/1 var(--mono);
  letter-spacing: 0.15em;
  pointer-events: none;
}

.game-foot {
  width: min(100%, 430px);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-top: 12px;
  color: rgba(207, 196, 169, 0.42);
  font: 500 6.5px/1.4 var(--mono);
  letter-spacing: 0.12em;
}

.game-foot p {
  margin: 0;
}

.game-foot p:last-child {
  text-align: right;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

button:focus-visible,
a:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 3px;
}

@keyframes overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-height: 720px) {
  .page {
    padding-top: 8px;
    padding-bottom: 6px;
  }

  .game-bar {
    min-height: 29px;
    padding-bottom: 5px;
  }

  .stage {
    width: min(100%, calc((100dvh - 78px) * 0.5625), 430px);
  }

  .game-foot {
    padding-top: 7px;
  }

  h1 {
    font-size: 82px;
  }

  .subtitle {
    font-size: 17px;
    margin-top: 16px;
  }

  .intro-copy {
    margin-top: 12px;
    font-size: 11px;
  }

  .main-button {
    margin-top: 18px;
    min-height: 44px;
  }

  .how {
    margin-top: 13px;
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  .page {
    display: grid;
    grid-template-columns: 1fr auto;
    align-content: center;
    justify-content: center;
    column-gap: 18px;
  }

  .game-bar,
  .game-foot {
    display: none;
  }

  .stage-wrap {
    width: auto;
  }

  .stage {
    width: calc(100dvh - 20px);
    max-width: 370px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}