/* Neft Teacher — shared Game FX kit (additive, deploy-safe). */
button:focus-visible,
a:focus-visible,
[role="button"]:focus-visible,
[tabindex]:not(canvas):focus-visible,
.opt:focus-visible,
.option:focus-visible,
.choice:focus-visible,
.answer:focus-visible,
.tile:focus-visible,
.card:focus-visible {
  outline: 3px solid #2f6df0;
  outline-offset: 3px;
  border-radius: 8px;
}

.gfx-spark {
  position: fixed;
  z-index: 9999;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity;
}

.gfx-pop {
  animation: gfxPop 0.34s ease;
}
@keyframes gfxPop {
  40% {
    transform: scale(1.25);
  }
}

/* Touch Ripple Visual FX */
.gfx-ripple {
  position: fixed;
  z-index: 9999;
  border: 3px solid #38bdf8;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  will-change: transform, opacity;
}

/* Combo Streak Multiplier overlay HUD */
#game-combo-hud {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  border: 2px solid #fff;
  border-radius: 30px;
  padding: 8px 24px;
  color: #fff;
  font-family: "Outfit", system-ui, sans-serif;
  font-size: 16px;
  font-weight: 900;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.4);
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition:
    transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    opacity 0.2s;
  will-change: transform, opacity;
}
#game-combo-hud.show {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
#game-combo-hud.show.pop {
  animation: comboPop 0.3s ease;
}
@keyframes comboPop {
  50% {
    transform: translateX(-50%) scale(1.3);
  }
}

[data-parallax] [data-parallax-layer],
.ghero .deco {
  will-change: transform;
}

/* ---- Game Floating Toolbar ---- */
#game-pub-toolbar {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 10000;
  display: flex;
  gap: 8px;
  /* Never push buttons off-screen on narrow phones */
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: calc(100vw - 24px);
}
.pub-btn {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: #fff;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition:
    background 0.15s,
    transform 0.12s;
}
.pub-btn:hover {
  background: rgba(30, 41, 59, 0.95);
  transform: translateY(-1px);
}

/* ---- High Contrast Styles ---- */
body.high-contrast {
  filter: contrast(1.45) !important;
}
body.high-contrast button,
body.high-contrast a,
body.high-contrast input,
body.high-contrast select {
  border: 2px solid #fff !important;
  outline: 2px solid #000 !important;
  background: #000 !important;
  color: #fff !important;
  font-weight: bold !important;
}

/* ---- Controls Help Dialog ---- */
#game-controls-dialog,
#teacher-cheat-console {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  width: 330px;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 16px;
  color: #f8fafc;
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  box-shadow:
    0 10px 25px -5px rgba(0, 0, 0, 0.3),
    0 8px 10px -6px rgba(0, 0, 0, 0.3);
  display: none;
  box-sizing: border-box;
  text-align: left;
}
#game-controls-dialog.show,
#teacher-cheat-console.show {
  display: block;
}
#game-controls-dialog h4,
#teacher-cheat-console h4 {
  margin: 0 0 8px 0;
  color: #38bdf8;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#game-controls-dialog .close-btn,
#teacher-cheat-console .close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
#game-controls-dialog .close-btn:hover,
#teacher-cheat-console .close-btn:hover {
  color: #f1f5f9;
}
.cheat-btn {
  width: 100%;
  margin-top: 8px;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 8px;
  color: #e2e8f0;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition:
    background 0.15s,
    color 0.15s;
}
.cheat-btn:hover {
  background: #38bdf8;
  color: #0f172a;
}

@media (prefers-reduced-motion: reduce) {
  .gfx-spark,
  .gfx-pop,
  .gfx-ripple {
    animation: none !important;
    display: none !important;
  }
  [data-parallax] [data-parallax-layer],
  .ghero .deco {
    transform: none !important;
  }
}