/* =========================
   CPU DEFENDER - CYBERPUNK RESKIN
   Arcade Retro Premium / 16-bit
   ========================= */

/* === CRT SCANLINE OVERLAY === */
.crt-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 10;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.15) 0px,
      rgba(0, 0, 0, 0.15) 1px,
      transparent 1px,
      transparent 2px
    );
  animation: crtFlicker 0.1s infinite;
}

@keyframes crtFlicker {
  0%, 100% { opacity: 0.97; }
  50% { opacity: 1; }
}

/* Viñeta */
.vignette-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9;
  background: radial-gradient(
    ellipse at center,
    transparent 50%,
    rgba(0, 0, 0, 0.5) 100%
  );
}

/* === CPU UI LAYER === */
.ui-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* === HUD CONTROLS - ARCADE BUTTONS === */
.hud-controls {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 12px;
  pointer-events: all;
}

.btn-cpu {
  background: linear-gradient(180deg, #2a2a3a 0%, #1a1a2a 50%, #0a0a1a 100%);
  border: 3px solid #00ffff;
  border-radius: 8px;
  color: #00ffff;
  padding: 12px 20px;
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow:
    0 4px 0 #006666,
    0 0 15px rgba(0, 255, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.1s ease;
  position: relative;
  overflow: hidden;
}

.btn-cpu::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
  transition: left 0.3s ease;
}

.btn-cpu:hover::before {
  left: 100%;
}

.btn-cpu:hover {
  border-color: #00ffaa;
  color: #00ffaa;
  box-shadow:
    0 4px 0 #006655,
    0 0 25px rgba(0, 255, 170, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-cpu:active {
  transform: translateY(3px);
  box-shadow:
    0 1px 0 #006666,
    0 0 10px rgba(0, 255, 255, 0.4),
    inset 0 2px 5px rgba(0, 0, 0, 0.3);
}

.btn-cpu span {
  display: block;
  font-size: 8px;
  color: #ffcc00;
  margin-top: 4px;
}

/* === GAME OVER MESSAGE - CYBERPUNK === */
.cpu-game-over-msg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(180deg, rgba(20, 0, 30, 0.95) 0%, rgba(10, 0, 20, 0.98) 100%);
  padding: 30px 50px;
  text-align: center;
  border: 3px solid #ff0066;
  border-radius: 10px;
  color: white;
  z-index: 20;
  box-shadow:
    0 0 30px rgba(255, 0, 102, 0.5),
    inset 0 0 50px rgba(255, 0, 102, 0.1);
  animation: gameOverPulse 1s ease-in-out infinite;
}

@keyframes gameOverPulse {
  0%, 100% { box-shadow: 0 0 30px rgba(255, 0, 102, 0.5), inset 0 0 50px rgba(255, 0, 102, 0.1); }
  50% { box-shadow: 0 0 50px rgba(255, 0, 102, 0.8), inset 0 0 80px rgba(255, 0, 102, 0.2); }
}

.cpu-game-over-msg h2 {
  font-family: 'Press Start 2P', monospace;
  font-size: 1.5rem;
  color: #ff0066;
  text-shadow: 0 0 10px #ff0066, 0 0 20px #ff0066;
  margin-bottom: 15px;
  animation: glitchText 0.3s infinite;
}

@keyframes glitchText {
  0%, 90%, 100% { transform: translate(0); }
  92% { transform: translate(-2px, 1px); }
  94% { transform: translate(2px, -1px); }
  96% { transform: translate(-1px, 2px); }
  98% { transform: translate(1px, -2px); }
}

.cpu-game-over-msg .restart-hint {
  animation: blink 0.8s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* === ML TOGGLE - CYBERPUNK STYLE === */
.ml-switch-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ml-label {
  font-size: 0.7rem;
  color: #00ffff;
  font-family: 'Press Start 2P', cursive;
  text-shadow: 0 0 5px #00ffff;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, #1a1a2a 0%, #0a0a1a 100%);
  transition: .4s;
  border: 2px solid #444;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.5);
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 2px;
  bottom: 2px;
  background: linear-gradient(180deg, #666 0%, #333 100%);
  transition: .4s;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

input:checked + .slider {
  background: linear-gradient(180deg, #003322 0%, #001a11 100%);
  border-color: #00ff66;
  box-shadow: inset 0 0 10px rgba(0, 255, 102, 0.3);
}

input:checked + .slider:before {
  transform: translateX(26px);
  background: linear-gradient(180deg, #00ff66 0%, #00aa44 100%);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.5);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* === CHALLENGE OVERLAY - CYBERPUNK === */
.challenge-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(0, 20, 40, 0.9) 0%, rgba(0, 10, 30, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 100;
  pointer-events: none;
}

.challenge-overlay h1 {
  font-family: 'Press Start 2P', cursive;
  font-size: 2rem;
  color: #00ffff;
  text-shadow:
    0 0 10px #00ffff,
    0 0 20px #00ffff,
    4px 4px 0 #006666;
  text-align: center;
  animation: glitchText 0.2s infinite;
}

.challenge-overlay p {
  font-family: 'Press Start 2P', monospace;
  font-size: 1rem;
  color: #ffcc00;
  background: rgba(0, 0, 0, 0.8);
  padding: 10px 20px;
  border: 2px solid #ffcc00;
  border-radius: 5px;
  text-align: center;
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.3);
  margin-top: 15px;
}

/* === SPINNER - CYBERPUNK === */
.spinner {
  border: 6px solid #0a1a2a;
  border-top: 6px solid #00ffff;
  border-right: 6px solid #00ff66;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spinCyber 0.8s linear infinite;
  box-shadow:
    0 0 20px rgba(0, 255, 255, 0.3),
    inset 0 0 20px rgba(0, 255, 102, 0.1);
}

@keyframes spinCyber {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* === HUD IA STATUS === */
.ai-status-hud {
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: 'Press Start 2P', monospace;
  font-weight: bold;
  color: #00ff66;
  font-size: 0.8rem;
  text-shadow: 0 0 10px #00ff66;
  background: linear-gradient(180deg, rgba(0, 20, 10, 0.9) 0%, rgba(0, 10, 5, 0.95) 100%);
  padding: 12px 15px;
  border: 2px solid #00ff66;
  border-radius: 5px;
  pointer-events: none;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow:
    0 0 15px rgba(0, 255, 102, 0.3),
    inset 0 0 20px rgba(0, 255, 102, 0.05);
}

.ai-status-hud small {
  font-size: 0.5rem;
  color: #88ffaa;
  opacity: 0.9;
}

/* === AMMO BAR VISUAL === */
.ammo-bar-container {
  position: absolute;
  top: 15px;
  right: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  pointer-events: none;
  z-index: 50;
}

.ammo-bar-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: #ffcc00;
  text-shadow: 0 0 5px #ffcc00;
}

.ammo-bar-track {
  width: 150px;
  height: 20px;
  background: linear-gradient(180deg, #1a1a2a 0%, #0a0a1a 100%);
  border: 2px solid #ffcc00;
  border-radius: 3px;
  overflow: hidden;
  box-shadow:
    0 0 10px rgba(255, 204, 0, 0.2),
    inset 0 2px 5px rgba(0, 0, 0, 0.5);
}

.ammo-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #ff6600 0%, #ffcc00 50%, #ffff00 100%);
  transition: width 0.2s ease;
  box-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
  position: relative;
}

.ammo-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
}

.ammo-bar-fill.low {
  background: linear-gradient(90deg, #ff0000 0%, #ff3300 100%);
  animation: ammoPulse 0.5s ease-in-out infinite;
}

@keyframes ammoPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* === HEAL EFFECT OVERLAY === */
.heal-effect {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 8;
  background: radial-gradient(
    circle at center,
    rgba(0, 255, 102, 0.3) 0%,
    transparent 50%
  );
  animation: healPulse 0.5s ease-out forwards;
}

@keyframes healPulse {
  0% { opacity: 1; transform: scale(0.8); }
  100% { opacity: 0; transform: scale(1.5); }
}