:root {
  color-scheme: dark;
  --ink: #f7f0df;
  --muted: #b9b2a4;
  --stout: #050403;
  --cream: #f5ead0;
  --gold: #d6aa45;
  --copper: #9b5a32;
  --green: #0f4f3a;
  --teal: #1a8a8a;
  --red: #c84b3a;
  --panel: rgba(20, 18, 15, 0.46);
  --line: rgba(247, 240, 223, 0.16);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

html {
  background: #080604;
}

body {
  margin: 0;
  color: var(--ink);
  background: transparent;
}

.pub-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  filter: saturate(1.22) brightness(1.32);
}

.pub-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(8, 5, 3, 0), rgba(8, 5, 3, 0.06));
}

.pub-backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

button:hover {
  background: rgba(255, 255, 255, 0.14);
}

button:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}

button.primary {
  border-color: rgba(214, 170, 69, 0.7);
  color: #211609;
  background: var(--gold);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 32px;
}

.exit-link {
  position: absolute;
  top: 20px;
  right: 0;
  z-index: 4;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--ink);
  background: rgba(20, 18, 15, 0.56);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(10px);
  font-weight: 900;
  text-decoration: none;
}

.exit-link:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
}

.play-surface {
  min-height: calc(100vh - 128px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 5vw, 5.6rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.score-chip {
  width: 96px;
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.score-chip span {
  font-size: 1.55rem;
  font-weight: 900;
  line-height: 1;
}

.score-chip small {
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 18px;
  align-items: stretch;
}

.camera-panel,
.game-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(20, 18, 15, 0.38);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
}

.camera-panel {
  overflow: hidden;
}

.camera-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 360px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(214, 170, 69, 0.05), transparent 42%),
    rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(1px);
}

video,
.analysis-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

video {
  transform: scaleX(-1);
}

.analysis-canvas {
  pointer-events: none;
}

.camera-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 850;
  background: rgba(0, 0, 0, 0.22);
}

.camera-empty.is-hidden {
  display: none;
}

.target-overlay {
  position: absolute;
  inset: 8%;
  pointer-events: none;
}

.glass-guide {
  position: absolute;
  left: 50%;
  top: 0;
  width: min(33vw, 218px);
  height: 96%;
  transform: translateX(-50%);
  border: 4px solid rgba(245, 234, 208, 0.5);
  border-top-width: 7px;
  border-bottom-width: 6px;
  border-radius: 46% 46% 18% 18% / 7% 7% 8% 8%;
  clip-path: polygon(5% 0, 95% 0, 97% 6%, 96% 14%, 93% 25%, 88% 34%, 82% 50%, 76% 74%, 80% 97%, 20% 97%, 24% 74%, 18% 50%, 12% 34%, 7% 25%, 4% 14%, 3% 6%);
  background:
    linear-gradient(100deg, rgba(255, 255, 255, 0.2), transparent 22% 68%, rgba(255, 255, 255, 0.16)),
    rgba(255, 255, 255, 0.03);
}

.glass-guide::before,
.glass-guide::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  border-radius: 50%;
  border: 2px solid rgba(245, 234, 208, 0.32);
}

.glass-guide::before {
  top: -3px;
  height: 8%;
}

.glass-guide::after {
  left: 12%;
  right: 12%;
  bottom: 1%;
  height: 5%;
}

.target-line {
  position: absolute;
  top: 25%;
  left: 18%;
  right: 18%;
  height: 3px;
  border-radius: 99px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(214, 170, 69, 0.9);
}

.target-letter {
  position: absolute;
  top: calc(25% - 32px);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(245, 234, 208, 0.78);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 78px;
  font-weight: 900;
  line-height: 1;
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
}

.game-panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 14px;
  padding: 16px;
}

.timer-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.timer-block span {
  color: var(--muted);
  font-weight: 760;
}

.timer-block strong {
  font-size: 1.6rem;
}

.result-block {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.result-ring {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #15100d 0 58%, transparent 59%),
    conic-gradient(var(--gold) calc(var(--score) * 1%), rgba(255, 255, 255, 0.12) 0);
}

.result-ring span {
  font-size: 1.85rem;
  font-weight: 950;
}

#feedback {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.45;
}

.sound-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.sound-strip span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.sound-strip strong {
  display: block;
  margin-top: 2px;
  font-size: 1.05rem;
}

.sound-strip button {
  min-width: 108px;
}

.practice {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.practice-glass {
  position: relative;
  --practice-target-center: 52px;
  --practice-target-band: 42px;
  --practice-target-width: 46px;
  width: 126px;
  height: 206px;
  overflow: hidden;
  border: 4px solid rgba(245, 234, 208, 0.7);
  border-top-width: 8px;
  border-bottom-width: 7px;
  border-radius: 46% 46% 18% 18% / 7% 7% 8% 8%;
  clip-path: polygon(5% 0, 95% 0, 97% 6%, 96% 14%, 93% 25%, 88% 34%, 82% 50%, 76% 74%, 80% 97%, 20% 97%, 24% 74%, 18% 50%, 12% 34%, 7% 25%, 4% 14%, 3% 6%);
  background:
    linear-gradient(100deg, rgba(255, 255, 255, 0.22), transparent 26% 70%, rgba(255, 255, 255, 0.12)),
    rgba(255, 255, 255, 0.05);
  box-shadow:
    inset 10px 0 18px rgba(255, 255, 255, 0.09),
    inset -10px 0 18px rgba(0, 0, 0, 0.3);
  transform-origin: 50% 8%;
  transition: transform 180ms ease;
  cursor: pointer;
  touch-action: none;
}

.practice-glass.is-drinking {
  transform: rotate(-58deg) translate(-12px, -24px);
}

.practice.is-tilt-ready .practice-glass {
  outline: 2px solid rgba(214, 170, 69, 0.45);
  outline-offset: 5px;
}

.glass-liquid-mask {
  position: absolute;
  inset: 7px 8px 9px;
  overflow: hidden;
  clip-path: polygon(4% 0, 96% 0, 98% 6%, 97% 14%, 94% 25%, 89% 34%, 83% 50%, 77% 74%, 81% 100%, 19% 100%, 23% 74%, 17% 50%, 11% 34%, 6% 25%, 3% 14%, 2% 6%);
}

.practice-beer,
.practice-head {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: 0;
}

.practice-beer {
  height: 100%;
  background:
    radial-gradient(circle at 58% 28%, rgba(95, 54, 21, 0.32), transparent 36%),
    linear-gradient(90deg, #030201, #130b06 46%, #030201);
  transition: height 120ms linear;
}

.practice-head {
  bottom: calc(var(--beer-height, 100%) - 12px);
  height: 25px;
  background:
    radial-gradient(circle at 20% 45%, rgba(255, 255, 255, 0.75), transparent 13%),
    radial-gradient(circle at 58% 34%, rgba(255, 255, 255, 0.55), transparent 16%),
    var(--cream);
  border-radius: 50% 50% 16% 16%;
  transition: bottom 120ms linear;
}

.glass-shine {
  position: absolute;
  top: 12px;
  bottom: 16px;
  left: 25px;
  width: 16px;
  border-radius: 999px;
  background: linear-gradient(rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.05));
  opacity: 0.55;
}

.glass-label {
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 58px;
  height: 76px;
  display: grid;
  place-items: center;
  color: var(--cream);
}

.practice-g {
  position: absolute;
  top: 28px;
  color: var(--cream);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 56px;
  font-weight: 950;
  line-height: 1;
}

.practice-target {
  position: absolute;
  top: calc(var(--practice-target-center) - var(--practice-target-band) / 2);
  left: 50%;
  width: var(--practice-target-width);
  height: var(--practice-target-band);
  transform: translateX(-50%);
  border: 1px solid rgba(214, 170, 69, 0.7);
  border-radius: 999px;
  background: rgba(214, 170, 69, 0.18);
  box-shadow: 0 0 14px rgba(214, 170, 69, 0.42);
}

.practice-target::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
  background: var(--gold);
  box-shadow: 0 0 12px rgba(214, 170, 69, 0.75);
}

.practice-actions {
  display: grid;
  gap: 10px;
}

.instruction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding-top: 18px;
}

.instruction-grid article {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 4, 3, 0.46);
}

.instruction-grid h2 {
  margin-bottom: 10px;
  color: var(--gold);
}

.instruction-grid ol {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.45;
}

.instruction-grid li + li {
  margin-top: 5px;
}

.research-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 22px 0 0;
}

.research-band article {
  padding: 18px;
  border-left: 4px solid var(--gold);
  background: rgba(5, 4, 3, 0.46);
}

.research-band p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 860px) {
  .app-shell {
    width: min(100% - 20px, 680px);
    padding-top: 14px;
  }

  .play-surface {
    min-height: auto;
  }

  .exit-link {
    position: relative;
    top: auto;
    right: auto;
    align-self: flex-end;
    margin-bottom: 10px;
  }

  .stage-grid,
  .instruction-grid,
  .research-band {
    grid-template-columns: 1fr;
  }

  .camera-frame {
    min-height: 320px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: start;
  }

  .result-block {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .result-ring {
    width: 92px;
    height: 92px;
  }
}

@media (max-width: 560px) {
  body {
    background-attachment: scroll;
  }

  .app-shell {
    width: min(100% - 14px, 520px);
    padding: 10px 0 18px;
  }

  .topbar {
    gap: 10px;
    padding-bottom: 12px;
  }

  h1 {
    font-size: clamp(2.2rem, 14vw, 3.7rem);
  }

  .score-chip {
    width: 74px;
    min-height: 58px;
  }

  .score-chip span {
    font-size: 1.25rem;
  }

  .score-chip small {
    font-size: 0.68rem;
  }

  .stage-grid {
    gap: 10px;
  }

  .camera-frame {
    min-height: 260px;
  }

  .target-overlay {
    inset: 6%;
  }

  .glass-guide {
    width: min(46vw, 176px);
  }

  .target-letter {
    font-size: 58px;
    top: calc(25% - 24px);
  }

  .controls,
  .game-panel {
    padding: 10px;
  }

  .controls {
    gap: 8px;
  }

  button {
    min-height: 42px;
    padding: 0 12px;
  }

  .game-panel {
    gap: 10px;
  }

  .timer-block {
    padding-bottom: 10px;
  }

  .result-block {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 12px;
  }

  .result-ring {
    width: 76px;
    height: 76px;
  }

  .result-ring span {
    font-size: 1.35rem;
  }

  .sound-strip {
    align-items: stretch;
    flex-direction: column;
  }

  .sound-strip button {
    width: 100%;
  }

  .practice {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 12px;
  }

  .practice-glass {
    width: 104px;
    height: 172px;
  }

  .glass-label {
    top: -6px;
  }

  .practice-g {
    font-size: 47px;
    top: 25px;
  }

  .practice-target {
    --practice-target-center: 43px;
    --practice-target-width: 39px;
  }

  .practice-glass.is-drinking {
    transform: none;
  }

  .instruction-grid {
    gap: 10px;
    padding-top: 12px;
  }

  .instruction-grid article,
  .research-band article {
    padding: 12px;
  }

  .instruction-grid h2,
  .research-band h2 {
    font-size: 0.95rem;
  }

  .instruction-grid ol,
  .research-band p {
    font-size: 0.9rem;
  }
}

@media (max-width: 390px) {
  .topbar {
    align-items: center;
  }

  .camera-frame {
    min-height: 235px;
  }

  .practice {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .practice-glass {
    width: 90px;
    height: 150px;
  }

  .glass-label {
    top: -8px;
  }

  .practice-g {
    font-size: 40px;
    top: 22px;
  }

  .practice-target {
    --practice-target-center: 38px;
    --practice-target-width: 34px;
  }
}