:root {
  color-scheme: dark;
  --bg: #08050d;
  --panel: rgba(15, 8, 24, 0.92);
  --purple: #9c35ff;
  --violet: #6d28d9;
  --pink: #f044ff;
  --cyan: #4be7ff;
  --text: #f8f5ff;
  --muted: #bcb0ca;
  --line: rgba(212, 156, 255, 0.22);
  --glow: 0 0 16px rgba(176, 67, 255, 0.7), 0 0 44px rgba(121, 35, 206, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100svh;
  color: var(--text);
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -15%, rgba(137, 43, 226, 0.28), transparent 43%),
    linear-gradient(180deg, #0c0713 0%, #050307 100%);
}

button,
canvas {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.game-page {
  width: min(1500px, 100%);
  min-height: 100svh;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) clamp(12px, 3vw, 42px) max(14px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: clamp(12px, 2vh, 22px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 58px;
}

.brand {
  display: flex;
  align-items: baseline;
  letter-spacing: -0.06em;
  line-height: 1;
  filter: drop-shadow(0 0 15px rgba(183, 72, 255, 0.36));
}

.brand-puls,
.brand-three {
  font-weight: 950;
  font-style: italic;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.brand-three {
  color: var(--pink);
  font-size: clamp(2.2rem, 4.5vw, 3.45rem);
  margin-left: 0.02em;
}

.brand-tag {
  margin-left: 15px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.19em;
}

.topbar-actions {
  display: flex;
  gap: 9px;
}

.icon-button {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: var(--text);
  background: rgba(19, 11, 29, 0.82);
  cursor: pointer;
  transition: 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  border-color: rgba(218, 132, 255, 0.76);
  background: rgba(75, 27, 104, 0.78);
  box-shadow: 0 0 22px rgba(157, 53, 255, 0.28);
  outline: none;
}

.icon {
  width: 23px;
  height: 23px;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-sound-off,
.icon-play,
.icon-button.is-muted .icon-sound-on,
.icon-button.is-paused .icon-pause {
  display: none;
}

.icon-button.is-muted .icon-sound-off,
.icon-button.is-paused .icon-play {
  display: block;
}

.game-frame {
  position: relative;
  align-self: center;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: calc(100svh - 155px);
  border: 1px solid rgba(212, 141, 255, 0.34);
  border-radius: clamp(15px, 2vw, 28px);
  overflow: hidden;
  isolation: isolate;
  background: #08040d;
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.56),
    0 0 0 5px rgba(115, 38, 169, 0.06),
    0 0 58px rgba(133, 39, 206, 0.2);
}

.game-frame::before {
  content: "";
  position: absolute;
  z-index: 5;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, rgba(255, 255, 255, 0.025), transparent 28%, transparent 74%, rgba(204, 103, 255, 0.035));
  mix-blend-mode: screen;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  user-select: none;
  cursor: pointer;
}

#gameCanvas:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: -4px;
}

.hud {
  position: absolute;
  z-index: 8;
  top: clamp(12px, 2vw, 24px);
  left: clamp(12px, 2vw, 24px);
  right: clamp(12px, 2vw, 24px);
  display: flex;
  align-items: flex-start;
  gap: clamp(16px, 4vw, 48px);
  pointer-events: none;
  text-shadow: 0 2px 10px #000;
}

.hud-item {
  display: grid;
  gap: 1px;
}

.hud-item-best {
  margin-left: auto;
  text-align: right;
}

.hud-item-notes {
  grid-template-columns: auto auto;
  column-gap: 7px;
  align-items: center;
}

.hud-item-notes strong {
  grid-column: 2;
}

.hud-label {
  color: #d8cce3;
  font-size: clamp(0.63rem, 1.2vw, 0.82rem);
  font-weight: 850;
  letter-spacing: 0.14em;
}

.hud strong {
  color: #fff;
  font-size: clamp(1.06rem, 2.3vw, 1.72rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.note-symbol {
  grid-row: 1 / 3;
  color: var(--cyan);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  text-shadow: 0 0 12px rgba(75, 231, 255, 0.8);
}

.game-overlay {
  position: absolute;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(52px, 8vw, 90px) 20px 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: radial-gradient(circle at 50% 45%, rgba(43, 14, 63, 0.25), rgba(5, 2, 8, 0.72));
  backdrop-filter: blur(2px);
  transition: opacity 180ms ease, visibility 180ms ease;
}

.game-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.overlay-card {
  width: min(560px, 92%);
  padding: clamp(20px, 3.4vw, 38px);
  text-align: center;
  border: 1px solid rgba(221, 156, 255, 0.32);
  border-radius: clamp(18px, 2.3vw, 28px);
  background:
    linear-gradient(145deg, rgba(28, 13, 42, 0.92), rgba(10, 5, 16, 0.94)),
    rgba(9, 5, 13, 0.9);
  box-shadow:
    0 20px 70px rgba(0, 0, 0, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 45px rgba(152, 53, 255, 0.14);
  transform: translateY(9px) scale(0.985);
  transition: transform 220ms ease;
}

.is-visible .overlay-card {
  transform: translateY(0) scale(1);
}

.overlay-card-small {
  width: min(420px, 90%);
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--cyan);
  font-size: clamp(0.72rem, 1.3vw, 0.88rem);
  font-weight: 900;
  letter-spacing: 0.25em;
  text-shadow: 0 0 15px rgba(75, 231, 255, 0.65);
}

.overlay-card h1,
.overlay-card h2 {
  margin: 0;
  text-transform: uppercase;
  font-weight: 950;
  font-style: italic;
  letter-spacing: -0.022em;
  line-height: 1.08;
  word-spacing: 0.08em;
}

.overlay-card h1 {
  padding-inline: 0.12em;
  font-size: clamp(1.9rem, 4.9vw, 3.8rem);
}

.overlay-card h2 {
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
}

.title-line {
  display: block;
  white-space: normal;
  text-wrap: balance;
}

.title-accent {
  margin-top: 0.14em;
  color: #df6eff;
  text-shadow: var(--glow);
}

.overlay-copy {
  max-width: 440px;
  margin: clamp(12px, 2vw, 20px) auto clamp(16px, 2.5vw, 27px);
  color: #d8cedf;
  font-size: clamp(0.92rem, 1.65vw, 1.09rem);
  line-height: 1.5;
}

.primary-button {
  min-width: min(250px, 100%);
  min-height: 54px;
  padding: 14px 28px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #fff;
  background: linear-gradient(100deg, #6e20d6, #c239f0 58%, #ff4ada);
  box-shadow:
    0 8px 34px rgba(172, 49, 238, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  font-size: 1rem;
  font-weight: 950;
  letter-spacing: 0.09em;
  cursor: pointer;
  transition: transform 150ms ease, filter 150ms ease, box-shadow 150ms ease;
}

.primary-button svg {
  width: 20px;
  fill: currentColor;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-2px) scale(1.015);
  filter: brightness(1.13);
  box-shadow:
    0 10px 42px rgba(194, 57, 240, 0.62),
    inset 0 1px 0 rgba(255, 255, 255, 0.42);
  outline: none;
}

.primary-button:active {
  transform: translateY(1px) scale(0.99);
}

.primary-button:disabled {
  cursor: wait;
  filter: grayscale(0.55);
  opacity: 0.62;
  transform: none;
}
#gameOverOverlay {
  padding: 8px 12px;
}

.overlay-card-score {
  padding: 14px 24px;
}

.overlay-card-score h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1;
}

.overlay-card-score .result-grid {
  margin: 10px auto 6px;
}

.overlay-card-score .result-grid div {
  padding: 10px;
}

.overlay-card-score .score-save-status {
  margin-bottom: 4px;
}

.overlay-card-score .new-record {
  min-height: 18px;
  margin-bottom: 6px;
}

.overlay-card-score .primary-button {
  min-height: 46px;
  padding-block: 10px;
}
.game-over-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.game-leaderboard-button {
  min-width: min(250px, 100%);
  min-height: 40px;
  padding: 9px 20px;
  border: 1px solid rgba(217, 144, 255, 0.4);
  border-radius: 999px;
  color: #f6effb;
  background: rgba(54, 21, 77, 0.7);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  cursor: pointer;
}

.game-leaderboard-button:hover,
.game-leaderboard-button:focus-visible {
  border-color: #df6eff;
  background: rgba(90, 31, 128, 0.85);
  outline: none;
}
.control-hints {
  margin-top: clamp(14px, 2.5vw, 24px);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: #bcb1c7;
  font-size: clamp(0.68rem, 1.15vw, 0.78rem);
  font-weight: 800;
  letter-spacing: 0.08em;
}

kbd {
  padding: 4px 7px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom-width: 3px;
  border-radius: 6px;
  color: #ece5f3;
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.hint-divider {
  color: #766a80;
  text-transform: lowercase;
}

.tap-icon {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-right: 2px;
  border: 1px solid rgba(75, 231, 255, 0.66);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 0.5rem;
  box-shadow: 0 0 10px rgba(75, 231, 255, 0.35);
}

.result-grid {
  width: min(360px, 100%);
  margin: clamp(18px, 3vw, 28px) auto 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.result-grid div {
  padding: 14px 10px;
  border: 1px solid rgba(217, 144, 255, 0.19);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
}

.result-grid span,
.result-grid strong {
  display: block;
}

.result-grid span {
  color: #afa2ba;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.result-grid strong {
  margin-top: 4px;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-variant-numeric: tabular-nums;
}

.new-record {
  min-height: 24px;
  margin: 0 0 13px;
  color: var(--cyan);
  font-size: 0.86rem;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-shadow: 0 0 12px rgba(75, 231, 255, 0.64);
  opacity: 0;
}

.new-record.is-visible {
  opacity: 1;
}

.screen-flash {
  position: absolute;
  z-index: 11;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.35), rgba(228, 58, 255, 0.16) 42%, transparent 75%);
}

.screen-flash.is-flashing {
  animation: flash 260ms ease-out;
}

@keyframes flash {
  0% { opacity: 0.78; }
  100% { opacity: 0; }
}

.live-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.game-footer {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px 28px;
  color: #8f829a;
  font-size: clamp(0.72rem, 1.2vw, 0.84rem);
  letter-spacing: 0.025em;
  text-align: center;
}

.game-footer p {
  margin: 0;
}

.game-footer strong {
  color: #b9acc4;
  font-size: 0.92em;
  letter-spacing: 0.09em;
}

@media (max-width: 680px) {
  .game-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-inline: 8px;
  }

  .topbar {
    min-height: 46px;
    padding-inline: 5px;
  }

  .brand-tag {
    display: none;
  }

  .icon-button {
    width: 42px;
    height: 42px;
    border-radius: 11px;
  }

  .game-frame {
    border-radius: 15px;
    min-height: min(69svh, 510px);
    aspect-ratio: auto;
  }

  #gameCanvas {
    position: absolute;
    inset: 0;
  }

  .game-overlay {
    padding: 68px 10px 14px;
  }

  .overlay-card {
    width: min(410px, 96%);
    padding: 19px 16px;
  }

  .overlay-card h1 {
    font-size: clamp(1.25rem, 8.2vw, 2.25rem);
    line-height: 1.1;
  }

  .overlay-copy {
    line-height: 1.35;
  }

  .primary-button {
    min-height: 50px;
  }

  .hud {
    gap: 14px;
  }

  .game-footer {
    display: none;
  }
}

@media (max-height: 610px) and (orientation: landscape) {
  .game-page {
    padding: 6px 10px;
    gap: 6px;
  }

  .topbar {
    min-height: 42px;
  }

  .brand-puls,
  .brand-three {
    font-size: 1.8rem;
  }

  .icon-button {
    width: 38px;
    height: 38px;
  }

  .game-frame {
    max-height: calc(100svh - 58px);
  }

  .game-footer,
  .brand-tag {
    display: none;
  }

  .overlay-card {
    padding: 14px 18px;
  }

  .overlay-copy {
    margin: 8px auto 12px;
  }

  .control-hints {
    margin-top: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}