/* ============================================================
   Vocab Airstrike — Retro Arcade Theme
   ============================================================ */

:root {
  --bg-deep: #000814;
  --bg-stage: #050a1f;
  --neon-cyan: #00f0ff;
  --neon-magenta: #ff2bd6;
  --neon-yellow: #fff44f;
  --neon-green: #39ff14;
  --neon-red: #ff2e63;
  --neon-orange: #ff8800;
  --text: #e8faff;
  --text-dim: #7da9b8;
  --pixel-font: 'Courier New', 'Consolas', 'Lucida Console', monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: radial-gradient(ellipse at top, #001a3d 0%, #000814 45%, #000 100%);
  color: var(--text);
  font-family: var(--pixel-font);
  overflow: hidden;
}

/* CRT scanlines */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0.18) 0px,
    rgba(0,0,0,0.18) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 9999;
  mix-blend-mode: multiply;
}

/* Vignette */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.65) 100%);
  z-index: 9998;
}

/* Main container becomes a centering wrapper */
main.container {
  max-width: 100%;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2vh 1rem;
}

.py-main { padding: 0; }

/* ============================================================
   MENU SCREEN — centered arcade cabinet
   ============================================================ */
#menuScreen {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  min-height: auto !important;
}

.menu-frame {
  position: relative;
  width: 100%;
  background:
    linear-gradient(135deg, rgba(0,20,50,0.96), rgba(20,0,40,0.92));
  border: 2px solid var(--neon-cyan);
  padding: 2rem 1.8rem;
  box-shadow:
    0 0 30px rgba(0,240,255,0.55),
    0 0 60px rgba(255,43,214,0.25),
    inset 0 0 50px rgba(0,240,255,0.08);
  animation: framePulse 3.2s ease-in-out infinite alternate;
}

@keyframes framePulse {
  from { box-shadow: 0 0 25px rgba(0,240,255,0.45), 0 0 50px rgba(255,43,214,0.18), inset 0 0 50px rgba(0,240,255,0.08); }
  to   { box-shadow: 0 0 45px rgba(0,240,255,0.75), 0 0 80px rgba(255,43,214,0.35), inset 0 0 50px rgba(0,240,255,0.12); }
}

/* Corner brackets */
.menu-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 3px solid var(--neon-yellow);
  filter: drop-shadow(0 0 6px var(--neon-yellow));
}
.menu-corner.tl { top: -3px; left: -3px;  border-right: none;  border-bottom: none; }
.menu-corner.tr { top: -3px; right: -3px; border-left: none;   border-bottom: none; }
.menu-corner.bl { bottom: -3px; left: -3px;  border-right: none; border-top: none; }
.menu-corner.br { bottom: -3px; right: -3px; border-left: none;  border-top: none; }

.menu-inner {
  text-align: center;
}

.menu-badge {
  display: inline-block;
  font-family: var(--pixel-font);
  color: var(--neon-yellow);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow);
  box-shadow: 0 0 12px rgba(255,244,79,0.4);
  margin-bottom: 1.2rem;
  animation: insertCoin 1.4s ease-in-out infinite;
}

@keyframes insertCoin {
  50% { opacity: 0.45; }
}

.menu-title {
  margin: 0 0 0.4rem;
  font-family: var(--pixel-font);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1;
}

.menu-title .title-line {
  display: block;
  font-size: clamp(2.4rem, 7vw, 4rem);
}

.menu-title .title-line-1 {
  color: var(--neon-cyan);
  text-shadow:
    0 0 10px var(--neon-cyan),
    0 0 20px var(--neon-cyan),
    0 0 40px rgba(0,240,255,0.6);
}

.menu-title .title-line-2 {
  color: var(--neon-magenta);
  text-shadow:
    0 0 10px var(--neon-magenta),
    0 0 20px var(--neon-magenta),
    0 0 40px rgba(255,43,214,0.6);
  animation: titlePulse 2.2s ease-in-out infinite alternate;
}

@keyframes titlePulse {
  from { filter: brightness(0.85); }
  to   { filter: brightness(1.25); }
}

.menu-tagline {
  font-family: var(--pixel-font);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
}

/* Hi-Score panel */
.hi-score-panel {
  display: inline-block;
  background: rgba(0,0,0,0.7);
  border: 2px solid var(--neon-red);
  padding: 0.55rem 1.4rem;
  margin-bottom: 1.4rem;
  box-shadow: 0 0 15px rgba(255,46,99,0.5);
}

.hi-score-label {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  color: var(--neon-red);
  letter-spacing: 0.3em;
  text-shadow: 0 0 6px var(--neon-red);
}

.hi-score-value {
  font-family: var(--pixel-font);
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--neon-yellow);
  letter-spacing: 0.15em;
  text-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-orange);
  margin-top: 0.15rem;
}

.menu-desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.55;
  max-width: 480px;
  margin: 0 auto 1.5rem;
}

/* Settings rows */
.menu-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
  text-align: left;
}

.menu-row label {
  display: block;
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  color: var(--neon-magenta);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 0.35rem;
  text-shadow: 0 0 4px rgba(255,43,214,0.5);
}

.form-select, .form-control {
  background: rgba(0,0,0,0.7) !important;
  border: 1px solid var(--neon-cyan) !important;
  color: var(--text) !important;
  border-radius: 0 !important;
  font-family: var(--pixel-font);
  font-size: 0.85rem;
  width: 100%;
  padding: 0.5rem 0.7rem;
}

.form-select:focus, .form-control:focus {
  box-shadow: 0 0 12px var(--neon-cyan) !important;
  border-color: var(--neon-cyan) !important;
  outline: none;
}

.text-muted { color: var(--text-dim) !important; }

/* Action buttons */
.menu-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.btn-start {
  font-size: 1.05rem !important;
  padding: 0.85rem 1rem !important;
  animation: startBlink 1.6s ease-in-out infinite;
}

@keyframes startBlink {
  0%, 100% {
    box-shadow: 0 0 12px var(--neon-green), 0 4px 0 #00aa44;
  }
  50% {
    box-shadow: 0 0 28px var(--neon-green), 0 0 50px rgba(57,255,20,0.5), 0 4px 0 #00aa44;
  }
}

.menu-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.1rem;
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan);
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(0,240,255,0.3);
}

.menu-footer {
  font-family: var(--pixel-font);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  margin: 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  border-radius: 0 !important;
  font-family: var(--pixel-font);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: transform 0.08s, box-shadow 0.15s, background 0.15s;
  border: 2px solid transparent !important;
  position: relative;
}

.btn-success {
  background: var(--neon-green) !important;
  border-color: var(--neon-green) !important;
  color: #001a0a !important;
  box-shadow: 0 0 12px var(--neon-green), 0 4px 0 #00aa44;
  text-shadow: none;
}
.btn-success:hover {
  background: #5cff4d !important;
  box-shadow: 0 0 22px var(--neon-green), 0 4px 0 #00aa44;
  transform: translateY(-1px);
}
.btn-success:active {
  transform: translateY(3px);
  box-shadow: 0 0 12px var(--neon-green), 0 1px 0 #00aa44;
}

.btn-outline-light {
  background: transparent !important;
  border-color: var(--neon-cyan) !important;
  color: var(--neon-cyan) !important;
  box-shadow: 0 0 8px rgba(0,240,255,0.4);
}
.btn-outline-light:hover {
  background: rgba(0,240,255,0.12) !important;
  box-shadow: 0 0 18px var(--neon-cyan);
}

.btn-warning {
  background: var(--neon-yellow) !important;
  border-color: var(--neon-yellow) !important;
  color: #1a1500 !important;
  box-shadow: 0 0 12px var(--neon-yellow);
}
.btn-warning:hover {
  background: #fff97a !important;
  box-shadow: 0 0 20px var(--neon-yellow);
}

.btn-danger {
  background: var(--neon-red) !important;
  border-color: var(--neon-red) !important;
  color: #fff !important;
  box-shadow: 0 0 12px var(--neon-red);
}
.btn-danger:hover {
  background: #ff5c82 !important;
  box-shadow: 0 0 20px var(--neon-red);
}

/* ============================================================
   GAME STAGE
   ============================================================ */
.game-wrapper {
  width: min(96vw, 1280px);
  margin: 0 auto;
}

.game-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0 !important;
  border: 3px solid var(--neon-cyan);
  background: linear-gradient(180deg, #001a3d 0%, #050a1f 60%, #000 100%);
  box-shadow:
    0 0 35px rgba(0,240,255,0.65),
    inset 0 0 60px rgba(0,0,0,0.55);
}

/* Star field — two parallax layers */
.game-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, #fff, transparent 50%),
    radial-gradient(1px 1px at 50% 60%, #fff, transparent 50%),
    radial-gradient(1px 1px at 80% 20%, #fff, transparent 50%),
    radial-gradient(2px 2px at 30% 80%, #fff, transparent 50%),
    radial-gradient(1px 1px at 70% 45%, #bfdbfe, transparent 50%),
    radial-gradient(1px 1px at 10% 10%, #fff, transparent 50%),
    radial-gradient(2px 2px at 90% 70%, #fff, transparent 50%);
  background-size: 200px 200px;
  background-repeat: repeat;
  opacity: 0.75;
  animation: starsFast 7s linear infinite;
}

@keyframes starsFast { to { background-position: 0 200px; } }

.game-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 15% 25%, rgba(255,255,255,0.55), transparent 50%),
    radial-gradient(1px 1px at 65% 75%, rgba(255,255,255,0.5),  transparent 50%),
    radial-gradient(1px 1px at 40% 50%, rgba(191,219,254,0.6),  transparent 50%);
  background-size: 350px 350px;
  background-repeat: repeat;
  opacity: 0.45;
  animation: starsSlow 18s linear infinite;
}

@keyframes starsSlow { to { background-position: 0 350px; } }

/* ============================================================
   HUD
   ============================================================ */
.hud {
  position: absolute;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.top-hud {
  top: 0.7rem;
  left: 0.7rem;
  right: 0.7rem;
  justify-content: space-between;
}

.top-hud div {
  padding: 0.4rem 0.75rem;
  border-radius: 0;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--neon-cyan);
  font-size: clamp(0.65rem, 1vw, 0.8rem);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  box-shadow: 0 0 8px rgba(0,240,255,0.35);
}

.top-hud strong {
  color: var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow);
  margin-left: 0.4rem;
  font-weight: 900;
}

#livesText {
  color: var(--neon-red) !important;
  text-shadow: 0 0 10px var(--neon-red) !important;
  letter-spacing: 0.15rem;
}

#comboText.combo-active {
  animation: comboPulse 0.45s ease-out;
}

@keyframes comboPulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.35); color: var(--neon-magenta); text-shadow: 0 0 12px var(--neon-magenta); }
  100% { transform: scale(1); }
}

/* Base defense line */
.base-line {
  position: absolute;
  left: 0; right: 0;
  bottom: 17%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
  z-index: 8;
  animation: baseLine 1.8s ease-in-out infinite alternate;
}

@keyframes baseLine {
  from { box-shadow: 0 0 8px var(--neon-green); }
  to   { box-shadow: 0 0 22px var(--neon-green); }
}

.base-line span {
  position: absolute;
  left: 1rem;
  top: -1.5rem;
  color: var(--neon-green);
  font-weight: 900;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-shadow: 0 0 8px var(--neon-green);
}

/* ============================================================
   INPUT PANEL
   ============================================================ */
.input-panel {
  position: absolute;
  z-index: 25;
  left: 0.7rem; right: 0.7rem;
  bottom: 0.7rem;
  padding: 0.7rem;
  border-radius: 0;
  background: rgba(0,0,0,0.85);
  border: 2px solid var(--neon-magenta);
  box-shadow: 0 0 18px rgba(255,43,214,0.45);
}

.mission-text {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mission-text b {
  color: var(--neon-yellow);
  text-shadow: 0 0 6px var(--neon-yellow);
}

#answerInput {
  font-size: 1rem;
  letter-spacing: 0.04em;
}

/* ============================================================
   PLAYER PLANE
   ============================================================ */
.player-plane {
  position: absolute;
  z-index: 12;
  left: 50%;
  bottom: 18.5%;
  width: 70px;
  height: 70px;
  transform: translateX(-50%);
  filter: drop-shadow(0 0 14px var(--neon-cyan));
  transition: filter 0.1s;
}

.player-plane.firing {
  animation: planeKick 0.14s ease-out;
}

@keyframes planeKick {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(5px); }
}

.plane-body {
  position: absolute;
  left: 28px; top: 10px;
  width: 14px; height: 48px;
  background: linear-gradient(180deg, var(--neon-cyan) 0%, #008a99 100%);
  border-radius: 60% 60% 40% 40%;
}

.plane-nose {
  position: absolute;
  left: 29px; top: 0;
  width: 12px; height: 18px;
  background: var(--neon-yellow);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  filter: drop-shadow(0 0 4px var(--neon-yellow));
}

.plane-wing {
  position: absolute;
  top: 31px;
  width: 30px; height: 16px;
  background: linear-gradient(180deg, var(--neon-magenta) 0%, #99007a 100%);
  filter: drop-shadow(0 0 6px var(--neon-magenta));
}
.plane-wing.left  { left: 2px;  clip-path: polygon(100% 0, 0 100%, 100% 100%); }
.plane-wing.right { right: 2px; clip-path: polygon(0 0, 100% 100%, 0 100%); }

/* Engine flame trail */
.plane-body::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -10px;
  width: 8px; height: 14px;
  background: linear-gradient(180deg, var(--neon-orange) 0%, transparent 100%);
  transform: translateX(-50%);
  border-radius: 50%;
  filter: blur(1px);
  animation: engineFlame 0.16s ease-in-out infinite alternate;
}

@keyframes engineFlame {
  from { height: 8px;  opacity: 0.6; }
  to   { height: 16px; opacity: 1; }
}

/* Muzzle flash */
.muzzle-flash {
  position: absolute;
  z-index: 13;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--neon-yellow) 40%, transparent 75%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: muzzleFlash 0.14s ease-out forwards;
}

@keyframes muzzleFlash {
  0%   { width: 18px; height: 18px; opacity: 1; }
  100% { width: 60px; height: 60px; opacity: 0; }
}

/* ============================================================
   ENEMY
   ============================================================ */
.enemy {
  position: absolute;
  z-index: 10;
  width: 112px;
  min-height: 60px;
  transform: translate(-50%, -50%);
  transition: filter 0.1s ease;
}

.enemy-ship {
  position: absolute;
  left: 50%; top: 0;
  width: 48px; height: 44px;
  transform: translateX(-50%) rotate(180deg);
  background: linear-gradient(180deg, var(--neon-red) 0%, #99001a 100%);
  clip-path: polygon(50% 0, 62% 35%, 100% 55%, 65% 60%, 55% 100%, 45% 100%, 35% 60%, 0 55%, 38% 35%);
  filter: drop-shadow(0 0 6px var(--neon-red));
}

.enemy.locked {
  animation: lockedPulse 0.35s ease-in-out infinite alternate;
}

@keyframes lockedPulse {
  from { filter: drop-shadow(0 0 8px var(--neon-yellow));  }
  to   { filter: drop-shadow(0 0 20px var(--neon-yellow)); }
}

.enemy.locked .enemy-ship {
  background: linear-gradient(180deg, var(--neon-yellow) 0%, var(--neon-orange) 100%);
}

.enemy.locked::before {
  content: "";
  position: absolute;
  left: 50%; top: 22px;
  transform: translate(-50%, -50%);
  width: 70px; height: 70px;
  border: 2px dashed var(--neon-yellow);
  border-radius: 50%;
  animation: targetReticle 1s linear infinite;
}

@keyframes targetReticle {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.enemy.locked::after {
  content: "▼ LOCK ▼";
  position: absolute;
  left: 50%; top: -16px;
  transform: translateX(-50%);
  font-size: 0.62rem;
  font-weight: 900;
  color: var(--neon-yellow);
  letter-spacing: 0.15em;
  text-shadow: 0 0 8px var(--neon-yellow);
  white-space: nowrap;
}

.enemy.flash .enemy-ship {
  background: #fff !important;
  filter: drop-shadow(0 0 22px #fff) !important;
}

.vocab-label {
  position: absolute;
  top: 42px; left: 50%;
  transform: translateX(-50%);
  min-width: 90px;
  text-align: center;
  font-weight: 700;
  font-size: 0.72rem;
  color: #fff;
  background: rgba(0,0,0,0.92);
  border: 1px solid var(--neon-red);
  padding: 0.28rem 0.5rem;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 0 8px rgba(255,46,99,0.5);
}

.enemy.locked .vocab-label {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  box-shadow: 0 0 12px rgba(255,244,79,0.6);
}

/* ============================================================
   BULLET
   ============================================================ */
.bullet {
  position: absolute;
  z-index: 11;
  width: 10px; height: 10px;
  background: var(--neon-yellow);
  border-radius: 50%;
  box-shadow:
    0 0 10px var(--neon-yellow),
    0 0 22px var(--neon-orange),
    0 0 4px #fff;
  transform: translate(-50%, -50%);
}

.bullet::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 4px; height: 22px;
  background: linear-gradient(180deg, transparent 0%, var(--neon-yellow) 100%);
  transform: translate(-50%, -100%);
  opacity: 0.75;
  border-radius: 4px;
  filter: blur(0.5px);
}

/* ============================================================
   EXPLOSION + PARTICLES
   ============================================================ */
.explosion {
  position: absolute;
  z-index: 30;
  width: 0; height: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.explosion .ex-flash {
  position: absolute;
  top: 0; left: 0;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--neon-yellow) 35%, var(--neon-orange) 65%, transparent 85%);
  transform: translate(-50%, -50%);
  animation: exFlash 0.55s ease-out forwards;
}

@keyframes exFlash {
  0%   { width: 20px;  height: 20px;  opacity: 1; }
  40%  { width: 130px; height: 130px; opacity: 0.95; }
  100% { width: 170px; height: 170px; opacity: 0; }
}

.explosion .ex-ring {
  position: absolute;
  top: 0; left: 0;
  border-radius: 50%;
  border: 4px solid var(--neon-yellow);
  transform: translate(-50%, -50%);
  animation: exRing 0.7s ease-out forwards;
}

@keyframes exRing {
  0%   { width: 20px;  height: 20px;  opacity: 1; border-width: 5px; }
  100% { width: 220px; height: 220px; opacity: 0; border-width: 1px; }
}

.explosion .ex-ring2 {
  position: absolute;
  top: 0; left: 0;
  border-radius: 50%;
  border: 3px solid var(--neon-red);
  transform: translate(-50%, -50%);
  animation: exRing 0.9s ease-out 0.08s forwards;
}

.particle {
  position: absolute;
  z-index: 31;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--neon-yellow);
  box-shadow: 0 0 6px var(--neon-yellow);
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: transform 0.7s ease-out, opacity 0.7s ease-out;
}

.score-popup {
  position: absolute;
  z-index: 32;
  font-family: var(--pixel-font);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow), 0 0 16px var(--neon-orange);
  transform: translate(-50%, -50%);
  pointer-events: none;
  letter-spacing: 0.08em;
  white-space: nowrap;
  animation: scorePop 0.95s ease-out forwards;
}

@keyframes scorePop {
  0%   { transform: translate(-50%, -50%) scale(0.5);  opacity: 0; }
  20%  { transform: translate(-50%, -60%) scale(1.35); opacity: 1; }
  100% { transform: translate(-50%, -180%) scale(1);   opacity: 0; }
}

/* Toast */
.game-toast {
  position: absolute;
  z-index: 40;
  top: 11%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.55rem 1.1rem;
  border-radius: 0;
  background: rgba(0,0,0,0.9);
  border: 2px solid var(--neon-cyan);
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--neon-cyan);
  text-shadow: 0 0 8px var(--neon-cyan);
  box-shadow: 0 0 14px rgba(0,240,255,0.6);
  opacity: 0;
  transition: opacity 0.22s ease, top 0.22s ease;
  white-space: nowrap;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.game-toast.show { opacity: 1; top: 13%; }

.game-toast.correct {
  border-color: var(--neon-green);
  color: var(--neon-green);
  text-shadow: 0 0 8px var(--neon-green);
  box-shadow: 0 0 14px rgba(57,255,20,0.6);
}

.game-toast.wrong {
  border-color: var(--neon-red);
  color: var(--neon-red);
  text-shadow: 0 0 8px var(--neon-red);
  box-shadow: 0 0 14px rgba(255,46,99,0.6);
}

/* Screen shake */
.shake { animation: shake 0.32s linear; }

@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-6px, 2px); }
  30% { transform: translate(5px, -3px); }
  50% { transform: translate(-4px, 4px); }
  70% { transform: translate(6px, -2px); }
  90% { transform: translate(-3px, 1px); }
}

/* Hit flash on the stage */
.flash-hit::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.18);
  pointer-events: none;
  z-index: 60;
  animation: flashHit 0.2s ease-out forwards;
}

@keyframes flashHit {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* Pause overlay */
.paused::after {
  content: "▌▌ PAUSED ▌▌";
  position: absolute;
  z-index: 50;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  font-family: var(--pixel-font);
  font-size: clamp(1.6rem, 5vw, 3.4rem);
  font-weight: 900;
  color: var(--neon-cyan);
  letter-spacing: 0.4em;
  text-shadow: 0 0 18px var(--neon-cyan), 0 0 36px var(--neon-magenta);
  animation: pausedBlink 1.1s ease-in-out infinite;
}

@keyframes pausedBlink { 50% { opacity: 0.5; } }

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,8,20,0.92);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.show { display: flex; }

.modal-box {
  width: min(92vw, 820px);
  max-height: 92vh;
  overflow-y: auto;
  background: linear-gradient(135deg, rgba(0,20,50,0.98), rgba(20,0,40,0.94));
  border: 3px solid var(--neon-magenta);
  border-radius: 0;
  padding: 1.6rem;
  box-shadow: 0 0 35px var(--neon-magenta), inset 0 0 30px rgba(255,43,214,0.08);
}

.modal-box h3 {
  font-family: var(--pixel-font);
  color: var(--neon-cyan);
  text-shadow: 0 0 12px var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 1.1rem;
}

.modal-box .card, .result-card {
  background: rgba(0,0,0,0.6) !important;
  border: 1px solid var(--neon-cyan) !important;
  border-radius: 0 !important;
  box-shadow: 0 0 10px rgba(0,240,255,0.3);
  padding: 0.8rem 0.6rem;
  text-align: center;
}

.modal-box .card h3, .result-card h3 {
  color: var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow);
  font-size: 1.6rem;
  margin: 0.25rem 0 0;
  letter-spacing: 0.05em;
}

.result-card small {
  display: block;
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.retro-small-btn {
  font-size: 0.8rem !important;
  padding: 0.55rem 0.9rem !important;
}

.primary-btn {
  background: var(--neon-green) !important;
  border-color: var(--neon-green) !important;
  color: #001a0a !important;
  box-shadow: 0 0 12px var(--neon-green), 0 3px 0 #00aa44;
}
.primary-btn:hover {
  background: #5cff4d !important;
  box-shadow: 0 0 22px var(--neon-green), 0 3px 0 #00aa44;
}

.secondary-btn {
  background: transparent !important;
  border-color: var(--neon-cyan) !important;
  color: var(--neon-cyan) !important;
  box-shadow: 0 0 8px rgba(0,240,255,0.4);
}
.secondary-btn:hover {
  background: rgba(0,240,255,0.12) !important;
  box-shadow: 0 0 18px var(--neon-cyan);
}

.modal-box .text-muted {
  color: var(--text-dim) !important;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.table {
  color: var(--text);
  font-size: 0.82rem;
  width: 100%;
  margin-bottom: 1rem;
}

.table thead { background: rgba(0,240,255,0.1); }

.table th {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  padding: 0.5rem;
}

.table td {
  border-color: rgba(0,240,255,0.2) !important;
  padding: 0.45rem 0.5rem;
}

.review-status-correct {
  color: var(--neon-green);
  font-weight: 800;
  text-shadow: 0 0 6px var(--neon-green);
}

.review-status-missed, .review-status-wrong {
  color: var(--neon-red);
  font-weight: 800;
  text-shadow: 0 0 6px var(--neon-red);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 700px) {
  body { overflow: auto; }
  main.container { min-height: auto; padding: 3vh 0.6rem; }
  .menu-frame { padding: 1.4rem 1rem; }
  .menu-title .title-line { font-size: 2.4rem; }
  .menu-tagline { font-size: 0.65rem; letter-spacing: 0.18em; }
  .menu-controls { grid-template-columns: 1fr; gap: 0.6rem; }
  .menu-desc { font-size: 0.78rem; }
  .hi-score-value { font-size: 1.4rem; }
  .menu-features { font-size: 0.62rem; gap: 0.4rem 0.7rem; }
  .top-hud { gap: 0.25rem; }
  .top-hud div { padding: 0.25rem 0.45rem; font-size: 0.58rem; letter-spacing: 0.08em; }
  .input-panel { left: 0.4rem; right: 0.4rem; bottom: 0.4rem; padding: 0.5rem; }
  .mission-text { font-size: 0.62rem; }
  .player-plane { width: 54px; height: 54px; }
  .enemy { width: 90px; }
  .enemy-ship { width: 38px; height: 36px; }
  .vocab-label { font-size: 0.62rem; min-width: 72px; padding: 0.18rem 0.35rem; top: 32px; }
  .game-stage { border-width: 2px; }
  .modal-box { padding: 1rem; }
  .modal-box .card h3 { font-size: 1.15rem; }
  .modal-box .card-body { padding: 0.6rem; }
  .table { font-size: 0.7rem; }
  .btn { padding: 0.5rem 0.7rem; font-size: 0.72rem; }
  .game-toast { font-size: 0.7rem; padding: 0.4rem 0.8rem; }
}

@media (max-width: 480px) {
  .top-hud div { font-size: 0.52rem; padding: 0.2rem 0.35rem; }
  .enemy { width: 78px; }
  .vocab-label { font-size: 0.55rem; min-width: 60px; top: 28px; }
  .enemy-ship { width: 32px; height: 30px; }
}