:root {
  --interactive-ink: #172033;
  --interactive-muted: #64748b;
  --interactive-line: #e1e6ec;
  --interactive-accent: #56b4c8;
  --game-bg: #0b1220;
  --game-panel: rgba(11, 18, 32, 0.92);
  --game-text: #f8fafc;
  --game-muted: #a7b2c2;
  --game-cyan: #67d3e7;
  --game-green: #65d39a;
  --game-amber: #f4c95d;
  --game-red: #ff7b7b;
}

.paper-graph-frame {
  height: 340px !important;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.paper-graph-frame:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 3px;
}

.game-section {
  background: #ffffff;
}

.game-shell {
  max-width: 820px;
  margin: 0 auto;
  padding: 6px;
  border: 1px solid var(--interactive-line);
  border-radius: 8px;
  background: #f7f9fb;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.11);
}

.game-container {
  position: relative;
  width: 100%;
  max-width: none !important;
  margin: 0 !important;
  overflow: hidden;
  border-radius: 5px;
  background: var(--game-bg);
  isolation: isolate;
  overscroll-behavior: contain;
}

.game-canvas {
  display: block;
  width: 100%;
  height: auto !important;
  min-height: 280px;
  max-height: 400px;
  aspect-ratio: 2 / 1;
  background: var(--game-bg);
  touch-action: none;
  cursor: crosshair;
}

.game-canvas:focus-visible {
  outline: 2px solid var(--game-cyan);
  outline-offset: -4px;
}

.game-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 5vw, 48px);
  color: var(--game-text);
  text-align: center;
  background: var(--game-panel);
}

.game-overlay[hidden],
.game-hud[hidden] {
  display: none !important;
}

.game-overlay h2 {
  margin: 6px 0 10px;
  color: var(--game-text);
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.game-overlay p {
  max-width: 34rem;
  margin: 0 0 24px;
  color: var(--game-muted);
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  line-height: 1.55;
}

.game-kicker {
  color: var(--game-cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.game-primary-btn,
.game-icon-btn {
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 150ms ease, background-color 150ms ease, border-color 150ms ease;
}

.game-primary-btn {
  min-width: 132px;
  min-height: 44px;
  padding: 10px 18px;
  color: #07111e;
  background: var(--game-cyan);
  font-size: 0.95rem;
}

.game-primary-btn:hover {
  background: #8ae1f0;
  transform: translateY(-1px);
}

.game-primary-btn:active {
  transform: translateY(0);
}

.game-primary-btn:focus-visible,
.game-icon-btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

.game-hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  pointer-events: none;
}

.game-hud__group {
  display: flex;
  align-items: center;
  gap: 7px;
}

.game-stat,
.game-icon-btn {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 5px;
  background: rgba(15, 23, 42, 0.78);
  color: #cbd5e1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.76rem;
}

.game-stat {
  gap: 6px;
  padding: 5px 9px;
}

.game-stat strong {
  color: #ffffff;
  font-size: 0.88rem;
}

.game-stat--lives strong { color: var(--game-green); }
.game-stat--score strong { color: var(--game-amber); }

.game-icon-btn {
  width: 38px;
  padding: 0;
  pointer-events: auto;
  color: #ffffff;
}

.game-icon-btn:hover {
  border-color: rgba(103, 211, 231, 0.7);
  background: rgba(30, 41, 59, 0.94);
}

.game-message {
  position: absolute;
  top: 58px;
  left: 50%;
  z-index: 7;
  max-width: calc(100% - 24px);
  transform: translate(-50%, -6px);
  opacity: 0;
  padding: 7px 10px;
  border: 1px solid rgba(103, 211, 231, 0.35);
  border-radius: 5px;
  color: #e8f8fb;
  background: rgba(15, 23, 42, 0.88);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

.game-message.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

.game-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: min(360px, 100%);
  margin: 6px 0 24px;
}

.game-results span {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 6px;
  color: var(--game-muted);
  background: rgba(15, 23, 42, 0.7);
  font-size: 0.78rem;
}

.game-results strong {
  color: var(--game-green);
  font-size: 1.2rem;
}

.game-caption {
  max-width: 820px;
  margin: 18px auto 0;
  color: var(--interactive-muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .paper-graph-frame {
    height: 430px !important;
  }

  .game-shell {
    padding: 4px;
  }

  .game-canvas {
    min-height: 300px;
    aspect-ratio: 4 / 3;
  }

  .game-overlay {
    padding: 18px;
  }

  .game-hud {
    align-items: flex-start;
    padding: 8px;
  }

  .game-hud__group {
    gap: 5px;
  }

  .game-stat {
    min-height: 40px;
    padding: 5px 7px;
    font-size: 0.68rem;
  }

  .game-icon-btn {
    width: 44px;
    height: 44px;
  }

  .game-message {
    top: 56px;
  }
}

@media (max-width: 430px) {
  .game-canvas {
    min-height: 320px;
    aspect-ratio: 1 / 1;
  }

  .game-stat {
    flex-direction: column;
    gap: 0;
    line-height: 1.15;
  }

  .game-caption {
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .paper-graph-frame,
  .game-primary-btn,
  .game-icon-btn,
  .game-message {
    transition: none !important;
  }
}