/* ─── Easter Egg: Nav cursor typing states ────────────────────── */
.prompt-cursor.typing {
  animation: none;
  opacity: 1;
}

.prompt-cursor.error {
  color: #ff4d4d;
  animation: none;
}

/* ─── Easter Egg: Game Overlay ────────────────────────────────── */
.game-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(var(--bg-rgb), 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.game-overlay--hidden {
  opacity: 0;
  pointer-events: none;
}

.game-window {
  position: relative;
  width: min(800px, 96vw);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: 0 0 48px rgba(0, 229, 255, 0.12);
  overflow: hidden;
}

@media (prefers-color-scheme: light) {
  .game-window {
    box-shadow: 0 0 48px rgba(2, 132, 199, 0.12);
  }
}

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  user-select: none;
}

.game-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.game-close:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

.touch-device .game-close {
  font-size: 13px;
  padding: 6px 16px;
  min-height: 36px;
  min-width: 56px;
}

/* ─── Tetris game window ──────────────────────────────────────── */
.game-window--tetris {
  width: auto;
}

.tetris-wrap {
  padding: 20px 24px;
  display: flex;
  justify-content: center;
}

#game-canvas {
  display: block;
  image-rendering: pixelated;
}

.game-over-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(var(--bg-rgb), 0.88);
  font-family: var(--font-mono);
  color: var(--text);
  transition: opacity 0.2s ease;
}

.game-over--hidden {
  opacity: 0;
  pointer-events: none;
}

.game-over-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.18em;
}

.game-over-score {
  font-size: 15px;
  color: var(--text-muted);
}

.game-over-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ─── Touch hint bar (shown only on touch devices) ─────────────── */
.touch-device .game-touch-hint {
  display: block;
}

.game-touch-hint {
  display: none;
  text-align: center;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  user-select: none;
}