/* ==========================================================================
   ESTILOS RETRO ARCADE AÑOS 80 - EXPOAPRENDIZAJE
   Estética de máquina recreativa: Colores neón, fuentes pixeladas,
   pantalla CRT con líneas de escaneo (scanlines) y botones 3D de arcade.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
  /* Paleta Neón 80s */
  --bg-dark: #070714;
  --bg-cabinet: #0d0b21;
  --bg-card: rgba(18, 14, 38, 0.92);

  --neon-cyan: #00f0ff;
  --neon-cyan-glow: rgba(0, 240, 255, 0.55);

  --neon-magenta: #ff007f;
  --neon-magenta-glow: rgba(255, 0, 127, 0.55);

  --neon-yellow: #ffe600;
  --neon-yellow-glow: rgba(255, 230, 0, 0.55);

  --neon-green: #39ff14;
  --neon-green-glow: rgba(57, 255, 20, 0.55);

  --neon-purple: #b026ff;
  --text-white: #f5f5ff;
  --text-muted: #8e8aa8;

  /* Fuente pixel art con fallback seguro */
  --font-pixel: 'Press Start 2P', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html {
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

body {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: var(--font-pixel);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: manipulation;
  letter-spacing: 0.5px;
  image-rendering: pixelated;
}

/* ==========================================================================
   EFECTO CRT (SCANLINES + VIÑETA + PARPADEO SUTIL)
   ========================================================================== */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  background: 
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.28) 0px,
      rgba(0, 0, 0, 0.28) 1.5px,
      transparent 1.5px,
      transparent 3px
    ),
    radial-gradient(
      circle at 50% 50%,
      transparent 60%,
      rgba(0, 0, 0, 0.65) 100%
    );
  opacity: 0.85;
}

/* ==========================================================================
   BOTONES ESTILO ARCADE (BLOQUES 3D CON EFECTO DE HUNDIMIENTO)
   ========================================================================== */
.btn-arcade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-pixel);
  font-size: clamp(0.7rem, 1.6vw, 0.95rem);
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 24px;
  border: 3px solid #fff;
  border-radius: 4px;
  cursor: pointer;
  background: #1a1a2e;
  color: #fff;
  position: relative;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  line-height: 1.4;
  text-align: center;
}

/* Colores de botones arcade */
.btn-arcade-yellow {
  background: #2a2400;
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  box-shadow: 0 6px 0 #8c7800, 0 8px 20px var(--neon-yellow-glow);
  text-shadow: 0 0 8px var(--neon-yellow-glow);
}
.btn-arcade-yellow:hover {
  background: var(--neon-yellow);
  color: #000;
  text-shadow: none;
}

.btn-arcade-magenta {
  background: #330018;
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  box-shadow: 0 6px 0 #80003f, 0 8px 20px var(--neon-magenta-glow);
  text-shadow: 0 0 8px var(--neon-magenta-glow);
}
.btn-arcade-magenta:hover {
  background: var(--neon-magenta);
  color: #fff;
  text-shadow: none;
}

.btn-arcade-cyan {
  background: #002b33;
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 6px 0 #006b80, 0 8px 20px var(--neon-cyan-glow);
  text-shadow: 0 0 8px var(--neon-cyan-glow);
}
.btn-arcade-cyan:hover {
  background: var(--neon-cyan);
  color: #000;
  text-shadow: none;
}

.btn-arcade-green {
  background: #0a2e04;
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 6px 0 #186609, 0 8px 20px var(--neon-green-glow);
  text-shadow: 0 0 8px var(--neon-green-glow);
}
.btn-arcade-green:hover {
  background: var(--neon-green);
  color: #000;
  text-shadow: none;
}

/* Efecto de hundimiento 3D al hacer clic o toque */
.btn-arcade:active {
  transform: translateY(5px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.8) !important;
}

/* Parpadeo clásico 8-bit */
.blink-text {
  animation: arcadeBlink 0.75s infinite steps(1, start);
}
@keyframes arcadeBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ==========================================================================
   BARRA SUPERIOR DE UTILIDADES
   ========================================================================== */
.top-controls {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 1000;
  display: flex;
  gap: 10px;
}

.btn-icon-arcade {
  width: 44px;
  height: 44px;
  background: #110e26;
  border: 2px solid var(--neon-cyan);
  border-radius: 4px;
  color: var(--neon-cyan);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 0 #005f66, 0 0 12px var(--neon-cyan-glow);
  transition: transform 0.08s, box-shadow 0.08s;
}

.btn-icon-arcade:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #005f66;
}

.btn-icon-arcade.silenciado {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  box-shadow: 0 4px 0 #80003f;
}

/* ==========================================================================
   PANTALLAS DEL MENÚ
   ========================================================================== */
.pantalla {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 24px 16px;
  box-sizing: border-box;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#pantalla-inicio {
  justify-content: center;
}

#pantalla-seleccion {
  justify-content: flex-start;
  padding-bottom: 70px;
}

.pantalla.oculta {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  transform: scale(0.97);
}

.pantalla.activa {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
  transform: scale(1);
}

/* 1. Pantalla de Inicio (Hero) */
.hero-content {
  text-align: center;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.arcade-badge {
  display: inline-block;
  background: rgba(255, 0, 127, 0.15);
  border: 2px dashed var(--neon-magenta);
  color: var(--neon-magenta);
  padding: 8px 18px;
  font-size: clamp(0.7rem, 1.4vw, 0.95rem);
  box-shadow: 0 0 16px var(--neon-magenta-glow);
  text-shadow: 0 0 8px var(--neon-magenta-glow);
}

.hero-title {
  font-size: clamp(1.8rem, 5.5vw, 3.8rem);
  line-height: 1.25;
  color: var(--neon-yellow);
  text-shadow: 
    0 0 10px var(--neon-yellow-glow),
    4px 4px 0 #80003f,
    6px 6px 0 #000;
  margin-top: 6px;
}

.hero-subtitle {
  font-size: clamp(0.65rem, 1.4vw, 0.85rem);
  color: var(--neon-cyan);
  line-height: 1.8;
  max-width: 640px;
  text-shadow: 0 0 8px var(--neon-cyan-glow);
}

/* Botón "PRESS START" gigante */
.btn-press-start {
  margin-top: 18px;
  padding: clamp(16px, 3vh, 24px) clamp(30px, 6vw, 60px);
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  border: 4px solid var(--neon-green);
  background: #092605;
  color: var(--neon-green);
  box-shadow: 0 8px 0 #0f4d05, 0 0 35px var(--neon-green-glow);
  text-shadow: 0 0 12px var(--neon-green-glow);
}

.btn-press-start:hover {
  background: var(--neon-green);
  color: #000;
}

.hero-credits {
  margin-top: 24px;
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* ==========================================================================
   2. PANTALLA DE SELECCIÓN DE JUEGOS
   ========================================================================== */
.selection-container {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 20px 0 50px 0;
}

.selection-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 3px solid var(--neon-cyan);
  padding-bottom: 16px;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.25);
}

.selection-title {
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--neon-cyan);
  text-shadow: 0 0 12px var(--neon-cyan-glow), 3px 3px 0 #003847;
}

.selection-subtitle {
  font-size: clamp(0.58rem, 1.2vw, 0.75rem);
  color: var(--text-muted);
  margin-top: 6px;
}

/* Cuadrícula de juegos */
.games-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: 100%;
}

@media (max-width: 980px) {
  .games-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

@media (max-width: 640px) {
  .games-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* TARJETA ARCADE DE JUEGO */
.game-card {
  background: var(--bg-card);
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: #fff;
  cursor: pointer;
  position: relative;
  box-shadow: 0 6px 0 #110e26, 0 10px 25px rgba(0, 0, 0, 0.7);
  transition: transform 0.1s ease, border-color 0.1s, box-shadow 0.1s;
}

.game-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-yellow);
  box-shadow: 0 10px 0 #4a3e00, 0 0 30px var(--neon-yellow-glow);
}

.game-card:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #4a3e00;
}

/* Animación escalonada para carga retro de tarjetas */
.game-card {
  opacity: 0;
  animation: retroCardDrop 0.35s ease-out forwards;
}
.game-card:nth-child(1) { animation-delay: 0.05s; }
.game-card:nth-child(2) { animation-delay: 0.10s; }
.game-card:nth-child(3) { animation-delay: 0.15s; }
.game-card:nth-child(4) { animation-delay: 0.20s; }
.game-card:nth-child(5) { animation-delay: 0.25s; }
.game-card:nth-child(6) { animation-delay: 0.30s; }
.game-card:nth-child(7) { animation-delay: 0.35s; }

@keyframes retroCardDrop {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-divider {
  font-size: clamp(0.75rem, 1.8vw, 1.05rem);
  color: var(--neon-yellow);
  text-shadow: 0 0 10px var(--neon-yellow-glow);
  padding: 10px 14px;
  background: rgba(255, 230, 0, 0.08);
  border-left: 4px solid var(--neon-yellow);
  border-bottom: 1px solid rgba(255, 230, 0, 0.25);
  margin-top: 18px;
  margin-bottom: 6px;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.45));
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-emoji {
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.card-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.badge-players {
  background: #000;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 4px 8px;
  font-size: 0.58rem;
}

.badge-status.disponible {
  background: #000;
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  padding: 4px 8px;
  font-size: 0.58rem;
  box-shadow: 0 0 8px var(--neon-green-glow);
}

.card-title {
  font-size: clamp(0.85rem, 1.8vw, 1.05rem);
  line-height: 1.4;
  color: var(--neon-yellow);
  margin-bottom: 10px;
}

.card-desc {
  font-size: clamp(0.58rem, 1.2vw, 0.7rem);
  color: var(--text-muted);
  line-height: 1.6;
}

.card-footer {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 2px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.65rem;
  color: var(--neon-green);
}

/* ==========================================================================
   ESTRUCTURA GENERAL DE CADA JUEGO (CABINET RETRO)
   ========================================================================== */
.game-container {
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 8px 14px;
  position: relative;
  z-index: 10;
  overflow: hidden;
}

.game-top-bar {
  width: 100%;
  max-width: 900px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--bg-cabinet);
  border: 2px solid var(--neon-cyan);
  border-radius: 4px;
  margin-bottom: 6px;
  flex-shrink: 0;
  box-shadow: 0 0 15px var(--neon-cyan-glow);
}

.game-stats {
  display: flex;
  gap: 16px;
  font-size: clamp(0.6rem, 1.4vw, 0.85rem);
}

.stat-item {
  color: var(--neon-yellow);
}
.stat-item span {
  color: #fff;
}

.arcade-screen {
  width: 100%;
  max-width: 900px;
  flex: 1 1 auto;
  min-height: 0;
  background: #000;
  border: 4px solid var(--neon-magenta);
  border-radius: 6px;
  box-shadow: 0 0 25px var(--neon-magenta-glow), inset 0 0 30px rgba(0,0,0,0.9);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Pantalla previa de Instrucciones / Start */
.game-start-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 14, 0.94);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  gap: 16px;
}

.game-start-overlay.oculto {
  display: none;
}

.game-title-big {
  font-size: clamp(1.2rem, 3.5vw, 2.2rem);
  color: var(--neon-yellow);
  text-shadow: 0 0 14px var(--neon-yellow-glow), 3px 3px 0 #59002a;
}

.game-instructions {
  font-size: clamp(0.65rem, 1.4vw, 0.82rem);
  color: var(--neon-cyan);
  max-width: 600px;
  line-height: 1.8;
}

/* ==========================================================================
   TRANSICIONES ARCADE (CORTINAS, PANTALLAS DE CARGA Y MODALES)
   ========================================================================== */
#arcade-transition-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 10000;
}

/* Cortina de barras */
.arcade-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  pointer-events: none;
  z-index: 10001;
}

.curtain-stripes {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.curtain-stripes span {
  flex: 1;
  background: #000;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.8, 0, 0.2, 1);
}

.arcade-curtain.cerrando {
  pointer-events: all;
}
.arcade-curtain.cerrando .curtain-stripes span {
  transform: scaleX(1);
}

.arcade-curtain.abriendo .curtain-stripes span {
  transform: scaleX(0);
  transform-origin: right;
}

/* Pantalla de Carga 8-bit */
.arcade-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #000;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10002;
  pointer-events: all;
  text-align: center;
}

.arcade-loader.activo {
  display: flex;
}

.loader-box {
  border: 3px solid var(--neon-cyan);
  padding: 30px;
  background: #0b091a;
  box-shadow: 0 0 30px var(--neon-cyan-glow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loader-logo {
  font-size: clamp(0.75rem, 1.8vw, 1rem);
  color: var(--neon-yellow);
}

.loader-status {
  font-size: clamp(0.7rem, 1.6vw, 0.9rem);
  color: #fff;
}

.loader-progress-bar {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  color: var(--neon-green);
  letter-spacing: 2px;
}

.loader-ready {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--neon-magenta);
  text-shadow: 0 0 10px var(--neon-magenta-glow);
}

/* Modales Arcade (Game Over y Victoria) */
.arcade-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 2, 10, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 10003;
  pointer-events: all;
}

.arcade-modal.activo {
  display: flex;
}

.arcade-modal-card {
  background: #0d0b21;
  border: 4px solid var(--neon-magenta);
  box-shadow: 0 0 40px var(--neon-magenta-glow), inset 0 0 20px rgba(255, 0, 127, 0.2);
  padding: clamp(24px, 5vw, 40px);
  max-width: 540px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  border-radius: 6px;
}

.gameover-title {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  color: var(--neon-magenta);
  text-shadow: 0 0 15px var(--neon-magenta-glow), 3px 3px 0 #59002a;
}

.victory-icon {
  font-size: 3.5rem;
}

.victory-title {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  text-shadow: 0 0 15px var(--neon-yellow-glow);
}

.gameover-score-wrap {
  width: 100%;
  background: #000;
  border: 2px solid var(--neon-cyan);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: clamp(0.7rem, 1.8vw, 0.95rem);
}

.stat-highlight {
  color: var(--neon-cyan);
}

.stat-gold {
  color: var(--neon-yellow);
}

.arcade-modal-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}