/* ==========================================================================
   Eco-Arcade Latín Green: estilos del juego.
   Antes iban en línea dentro de index.html; están aparte para que la política de
   seguridad (CSP) de esta carpeta no necesite 'unsafe-inline' (ver .htaccess).
   ========================================================================== */
:root {
  --bg: #0b1f16;
  --panel: #12291d;
  --accent: #4ade80;
  --white-bin: #f1f5f9;
  --black-bin: #1e293b;
  --green-bin: #22c55e;
  --danger: #ef4444;
  --gold: #fbbf24;
  --lime: #a6ce39;   /* verde de la marca Latín Green */
  --muted: #94a3b8;  /* texto secundario: 5,9:1 sobre --panel y 6,8:1 sobre --bg */
  --focus: #ffda00;  /* amarillo de la marca: anillo de foco sobre fondo oscuro */
}
* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: #e2e8f0;
  overflow: hidden;
}
body { -webkit-tap-highlight-color: transparent; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex; align-items: center; justify-content: center;
}
/* centrado con transform: al cambiar de tamaño u orientación su punto de inicio no se mueve,
   así que el ajuste inicial de juego.js no cuenta como salto de diseño (CLS) */
canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(180deg, #0e2a1c 0%, #0b1f16 60%, #08160f 100%);
  border-radius: 12px;
  box-shadow: 0 0 60px rgba(74, 222, 128, 0.15);
  max-width: 100%;
  max-height: 100%;
  touch-action: none;       /* evita zoom y desplazamiento al tocar */
  -webkit-user-select: none;
  user-select: none;
}
/* el lienzo recibe el foco solo por código (tabindex="-1") al empezar cada ronda */
canvas:focus { outline: none; }

/* --- Pantallas superpuestas (inicio, entre rondas, pausa y resultados) ---
   El contenido se centra con márgenes automáticos: si no cabe, queda arriba y se
   desplaza completo (con justify-content: center se cortaba por arriba). */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(4, 15, 10, 0.88);
  backdrop-filter: blur(6px);
  z-index: 10;
  text-align: center;
  padding: 24px 72px 32px;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.overlay.hidden { display: none; }
.overlay__inner {
  margin-block: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.screen-head { display: flex; flex-direction: column; align-items: center; }

/* --- Pantalla de inicio --- */
.logo-main {
  width: min(400px, 70vw);
  height: auto;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 24px rgba(166, 206, 57, 0.35));
}
.game-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-bottom: 10px;
  line-height: 1.1;
}
.game-title__brand {
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 0 30px rgba(74, 222, 128, 0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}
.game-title__sub {
  text-wrap: balance;
  font-size: clamp(15px, 1.7vw, 20px);
  font-weight: 600;
  color: var(--lime);
  letter-spacing: .5px;
}
.subtitle {
  max-width: 46rem;
  text-wrap: pretty;
  font-size: clamp(14px, 1.6vw, 18px);
  color: var(--muted);
  line-height: 1.45;
  margin-bottom: 24px;
}
.rules {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}
.rule-card {
  background: var(--panel);
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 16px 18px;
  width: 210px;
}
.rule-card .bin-icon { font-size: 40px; line-height: 1.15; margin-bottom: 8px; }
.rule-card h2 { font-size: 16px; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .3px; }
.rule-card p { font-size: 13px; color: var(--muted); line-height: 1.4; }
.rule-card p b { color: #cbd5e1; }
.rule-card.white h2 { color: var(--white-bin); }
.rule-card.black h2 { color: var(--muted); }
.rule-card.green h2 { color: var(--green-bin); }
.controls-row {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}
.player-controls {
  min-width: 260px;
  background: var(--panel);
  border-radius: 14px;
  padding: 14px 22px;
  border: 2px solid rgba(255,255,255,0.08);
}
.player-label {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
  text-transform: uppercase;
}
.player-label .opt { font-size: 13px; font-weight: 400; color: var(--muted); text-transform: none; }
.player-name { color: var(--lime); }
.record-line {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.record-line b { color: var(--gold); font-size: 15px; }
.name-input {
  display: block;
  width: 100%;
  min-height: 44px;
  margin: 0 auto 12px;
  padding: 9px 12px;
  background: #0b1f16;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  color: #f8fafc;
  font: inherit;
  font-size: 16px; /* mínimo 16 px: evita el zoom automático de iOS al escribir */
  font-weight: 600;
  text-align: center;
  transition: border-color 0.2s ease;
}
.name-input::placeholder { color: #8b9aaf; opacity: 1; }
.name-input:focus { border-color: var(--lime); }
.keys { display: flex; gap: 10px; justify-content: center; }
.key-group { display: flex; flex-direction: column; align-items: center; gap: 4px; }
kbd {
  background: #263c2e;
  border: 1px solid rgba(255,255,255,0.2);
  border-bottom: 3px solid rgba(0,0,0,0.5);
  border-radius: 6px;
  padding: 6px 12px;
  font-family: inherit;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  min-width: 38px;
  display: inline-block;
}
.key-label { font-size: 13px; color: var(--muted); }
/* en computador la caja del nombre va en dos filas: etiqueta y campo; teclas y récord */
@media (min-width: 761px) {
  .player-controls {
    display: grid;
    grid-template-columns: auto minmax(220px, 1fr);
    align-items: center;
    gap: 10px 16px;
    text-align: left;
  }
  .player-label { margin: 0; }
  .name-input { margin: 0; }
  .keys { justify-content: flex-start; gap: 12px; }
  .key-group { flex-direction: row; gap: 6px; }
  .record-line { margin: 0; text-align: right; }
}
.gamepad-hint {
  max-width: 640px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.5;
}
.gamepad-hint b { color: #cbd5e1; }

/* --- Botones --- */
button.big-btn {
  min-height: 48px;
  background: linear-gradient(180deg, #34d399, #059669);
  color: #052e1b;
  font-family: inherit;
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 800;
  border: none;
  border-radius: 50px;
  padding: 16px 52px;
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 6px 0 #036c47, 0 0 40px rgba(52, 211, 153, 0.35);
  transition: transform 0.1s ease;
}
button.big-btn:hover { transform: scale(1.05); }
button.big-btn:active { transform: translateY(4px); box-shadow: 0 2px 0 #036c47; }
.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 16px;
  background: transparent;
  color: var(--lime);
  border: 2px solid var(--lime);
  border-radius: 50px;
  padding: 8px 22px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.pill-btn:hover, .pill-btn.is-on { background: var(--lime); color: #0b1f16; }
.pill-btn .peso { font-weight: 400; white-space: nowrap; }
.install-hint {
  margin-top: 14px;
  max-width: 420px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  background: rgba(166, 206, 57, 0.08);
  border: 1px solid rgba(166, 206, 57, 0.3);
  border-radius: 10px;
  padding: 10px 14px;
}
.install-hint b { color: #e2e8f0; }
/* enlaces de vuelta al sitio de Latín Green */
.site-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 8px;
  margin-top: 8px;
}
.site-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  color: #b8c4d3;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-link:hover, .site-link:focus-visible { color: var(--lime); }

/* --- Botones de la esquina: sonido, pantalla completa y pausa --- */
.corner-btns {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  background: var(--panel);
  color: #e2e8f0;
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.2s ease;
}
.icon-btn:hover { transform: scale(1.1); border-color: var(--accent); }
.icon-btn svg {
  width: 22px; height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* aria-pressed="true": sonido silenciado o pantalla completa activa */
.icon-btn[aria-pressed="true"] .i-off,
.icon-btn:not([aria-pressed="true"]) .i-on { display: none; }
.icon-btn[aria-pressed="true"] { border-color: var(--lime); }

/* --- Entre rondas, pausa y resultados --- */
.result-scores {
  display: flex;
  gap: 30px;
  margin: 18px 0 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.result-card {
  background: var(--panel);
  border-radius: 16px;
  padding: 22px 34px;
  border: 2px solid rgba(255,255,255,0.08);
  min-width: 220px;
}
.result-card.winner {
  border-color: var(--gold);
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.3);
}
.result-card.loser { filter: saturate(0.75); }
/* Escena final: avatar animado (movimiento finito, menos de 5 s: WCAG 2.2.2) */
.avatar-zone {
  position: relative;
  height: 92px;
  margin-bottom: 4px;
  overflow: hidden;
}
.avatar {
  display: inline-block;
  font-size: 58px;
  line-height: 92px;
}
.result-card.winner .avatar { animation: jump 0.65s ease-in-out 6; }
.result-card.loser .avatar { animation: sad-sway 2.2s ease-in-out 2; }
.result-card.tie-happy .avatar { animation: jump 1.3s ease-in-out 3; }
@keyframes jump {
  0%, 100% { transform: translateY(6px) rotate(-8deg); }
  50%      { transform: translateY(-22px) rotate(8deg) scale(1.08); }
}
@keyframes sad-sway {
  0%, 100% { transform: rotate(-6deg) translateY(6px); }
  50%      { transform: rotate(6deg) translateY(10px); }
}
.fx-layer { position: absolute; inset: 0; pointer-events: none; }
.confetti-piece {
  position: absolute;
  top: -14px;
  width: 8px; height: 14px;
  border-radius: 2px;
  animation: confetti-fall 1.5s linear 2 both;
}
@keyframes confetti-fall {
  0%   { transform: translateY(-14px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(105px) rotate(540deg); opacity: 0; }
}
.tear {
  position: absolute;
  top: 46px;
  font-size: 15px;
  animation: tear-fall 1.5s ease-in 2 both;
}
@keyframes tear-fall {
  0%   { transform: translateY(0); opacity: 0; }
  15%  { opacity: 1; }
  100% { transform: translateY(48px); opacity: 0; }
}
.result-card .player-name { font-size: 18px; margin-bottom: 8px; }
.result-card .score-big { font-size: 44px; font-weight: 900; color: var(--accent); }
.result-card .stats { font-size: 14px; color: var(--muted); margin-top: 8px; line-height: 1.6; }
.result-card .stats b { color: #e2e8f0; }
.winner-banner {
  font-size: clamp(22px, 3.5vw, 36px);
  color: var(--gold);
  font-weight: 900;
  text-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.winner-msg { font-size: clamp(15px, 1.8vw, 19px); font-weight: 600; color: #e2e8f0; margin-bottom: 6px; }
.logo-award {
  width: 260px;
  height: auto;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 18px rgba(166, 206, 57, 0.3));
}
.eco-tip {
  max-width: 620px;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 15px;
  color: #bbf7d0;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* --- Pie con el logo y el lema (visible durante la partida) --- */
.brand {
  position: absolute;
  bottom: 10px;
  font-size: 12px;
  color: var(--muted);   /* 6,8:1 sobre el fondo (antes #3f6152: 2,5:1) */
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 30px; width: auto; opacity: 0.85; }
#gamepad-status {
  position: absolute;
  bottom: 12px; right: 18px;
  z-index: 20;
  background: var(--panel);
  border: 1px solid rgba(74, 222, 128, 0.4);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  color: #86efac;
}

/* ============================================================
   Pantallas bajas (portátiles de 720 a 960 px de alto y tabletas
   horizontales): menos espacio vertical, mismos tamaños de letra.
   Así «¡A jugar!» queda a la vista sin desplazarse.
   ============================================================ */
@media (max-height: 960px) {
  .overlay { padding-block: 16px 20px; }
  .logo-main { width: min(260px, 60vw); margin-bottom: 2px; }
  .logo-award { width: 220px; }
  .game-title { margin-bottom: 8px; }
  .game-title__brand { font-size: clamp(28px, 4vw, 40px); }
  .subtitle { margin-bottom: 14px; }
  .rules { gap: 14px; margin-bottom: 14px; }
  .rule-card { width: 230px; padding: 10px 14px; }
  .rule-card .bin-icon { font-size: 26px; margin-bottom: 2px; }
  .controls-row { margin-bottom: 14px; }
  .player-controls { padding: 10px 18px; }
  .gamepad-hint { max-width: 820px; margin-bottom: 14px; }
  button.big-btn { padding: 12px 44px; }
  .pill-btn { margin-top: 10px; }
  .result-scores { margin: 10px 0 16px; }
  .eco-tip { margin-bottom: 16px; }
}
@media (max-height: 760px) {
  .gamepad-hint { display: none; }
  .logo-main { width: min(220px, 60vw); }
}

/* ============================================================
   Celular (vertical): una columna, letra legible (mín. 12,5 px)
   ============================================================ */
@media (max-width: 760px) {
  .overlay { padding: 16px 16px 24px; }
  /* el encabezado de cada pantalla deja libre la columna de botones de la esquina */
  .screen-head { width: 100%; padding-inline: 44px; }
  .logo-main { width: min(230px, 100%); }
  .logo-award { width: 170px; }
  .game-title__brand { font-size: 28px; }
  .game-title__sub { font-size: 15px; }
  .subtitle { font-size: 14px; margin-bottom: 14px; }
  .rules { gap: 8px; margin-bottom: 14px; }
  .gamepad-hint { display: none; }
  .controls-row { gap: 12px; margin-bottom: 14px; }
  .player-controls { padding: 10px 14px; }
  .player-label { font-size: 14px; margin-bottom: 6px; }
  .result-scores { gap: 12px; margin: 10px 0 14px; }
  .result-card { padding: 12px 16px; min-width: 170px; }
  .result-card .score-big { font-size: 32px; }
  .avatar-zone { height: 64px; }
  .avatar { font-size: 42px; line-height: 64px; }
  .winner-banner { font-size: 21px; }
  .winner-msg { font-size: 15px; }
  .eco-tip { font-size: 14px; padding: 10px 14px; margin-bottom: 14px; }
  button.big-btn { font-size: 18px; padding: 12px 36px; }
}
/* tarjetas de las canecas apiladas: ícono a la izquierda y texto completo
   (celular vertical y columna izquierda del celular horizontal) */
@media (max-width: 560px), (max-height: 500px) and (min-width: 600px) {
  .rules { flex-direction: column; align-items: stretch; width: 100%; max-width: 420px; }
  .rule-card {
    width: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 12px;
    align-items: center;
    padding: 9px 12px;
    border-radius: 12px;
    text-align: left;
  }
  .rule-card .bin-icon { grid-row: span 2; font-size: 22px; margin: 0; }
  .rule-card h2 { font-size: 14px; margin-bottom: 1px; }
  .rule-card p { font-size: 13px; line-height: 1.35; }
}
@media (max-width: 360px) {
  .logo-main { width: 180px; }
  .game-title__brand { font-size: 22px; letter-spacing: 1px; }
  .game-title__sub { font-size: 14px; }
  .rule-card .bin-icon { font-size: 18px; }
  .player-controls { min-width: 0; width: 100%; }
  button.big-btn { padding: 12px 28px; }
}
/* celular vertical con las barras del navegador a la vista (390x664, 360x640, 375x560…):
   logo más pequeño para que quepa más contenido arriba del botón */
@media (max-width: 560px) and (max-height: 720px) {
  .logo-main { width: min(170px, 50vw); }
}
/* aún más baja (iPhone SE con Safari, 375x553; Android pequeño con barra, 360x560):
   márgenes más justos para que el campo del nombre quede arriba del botón fijo */
@media (max-width: 560px) and (max-height: 600px) {
  .overlay { padding-top: 12px; }
  .logo-main { width: min(140px, 45vw); margin-bottom: 0; }
  .game-title { margin-bottom: 6px; }
  .game-title__brand { font-size: 24px; }
  .subtitle { font-size: 13px; line-height: 1.4; margin-bottom: 10px; }
  .rules { gap: 6px; margin-bottom: 10px; }
  .rule-card { padding: 6px 12px; }
  .controls-row { margin-bottom: 10px; }
  .player-controls { padding: 8px 14px; }
  .player-label { margin-bottom: 4px; }
  .name-input { margin-bottom: 6px; }
  .record-line { margin-top: 6px; }
}

/* «¡A jugar!» siempre a la vista. Si la pantalla de inicio no cabe (celulares con las
   barras del navegador, pantallas bajas), el botón queda fijo en el borde inferior y el
   resto se desplaza por debajo; al llegar al final vuelve a su lugar, arriba de
   «Escuchar la música». Si todo cabe, no cambia nada. */
#start-screen { scroll-padding-bottom: 84px; } /* el foco con teclado no queda debajo del botón */
#start-screen #start-btn {
  position: sticky;
  /* el margen inferior de la pantalla ya deja 14-24 px; en iPhone se suma la zona de la barra de inicio */
  bottom: max(0px, env(safe-area-inset-bottom) - 14px);
  z-index: 2;
  /* sombra oscura y amplia: separa el botón de lo que pasa por debajo al desplazarse */
  box-shadow: 0 6px 0 #036c47, 0 0 40px rgba(52, 211, 153, 0.35), 0 14px 34px 14px rgba(4, 15, 10, 0.9);
}
#start-screen #start-btn:active { box-shadow: 0 2px 0 #036c47, 0 14px 34px 14px rgba(4, 15, 10, 0.9); }

/* ============================================================
   Celular horizontal: sin pie de marca y la pantalla de inicio en
   dos columnas (reglas a la izquierda; nombre y «¡A jugar!» a la
   derecha), para que todo quepa sin desplazarse
   ============================================================ */
@media (max-height: 500px) {
  .brand { display: none; }
  .corner-btns { gap: 6px; }
  .icon-btn { width: 44px; height: 44px; }
  .overlay { padding: 12px 64px 14px; }
  .logo-main { width: 170px; }
  .logo-award { width: 150px; margin-bottom: 4px; }
  .game-title { margin-bottom: 4px; }
  .game-title__brand { font-size: 26px; }
  .game-title__sub { font-size: 14px; }
  .subtitle { font-size: 13px; margin-bottom: 8px; }
  .rules { margin-bottom: 0; }
  .controls-row { margin-bottom: 8px; }
  .player-controls { padding: 8px 14px; }
  button.big-btn { font-size: 18px; padding: 10px 32px; }
  .pill-btn { margin-top: 8px; }
  .site-links { margin-top: 4px; }
  .result-scores { margin: 6px 0 10px; }
  .avatar-zone { height: 56px; }
  .avatar { font-size: 38px; line-height: 56px; }
  .eco-tip { font-size: 13px; padding: 8px 12px; margin-bottom: 10px; }
}
@media (max-height: 500px) and (min-width: 600px) {
  #start-screen .overlay__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    column-gap: 24px;
    align-items: center;
    justify-items: center;
  }
  #start-screen .overlay__inner > * { grid-column: 2; }
  #start-screen .screen-head { grid-column: 1; grid-row: 1; }
  #start-screen .subtitle { grid-column: 1; grid-row: 2; }
  #start-screen .rules { grid-column: 1; grid-row: 3 / span 3; gap: 6px; max-width: 460px; }
  #start-screen .rule-card { padding: 5px 12px; }
  #start-screen .rule-card p { line-height: 1.3; }
  #start-screen .controls-row { grid-row: 1 / span 2; }
  #start-screen #start-btn { grid-row: 3; }
  #start-screen #music-btn { grid-row: 4; }
  #start-screen .site-links { grid-row: 5; }
  #start-screen .player-controls { min-width: 0; display: block; text-align: center; }
  #start-screen .player-label { margin-bottom: 6px; }
  #start-screen .name-input { margin-bottom: 6px; }
  #start-screen .record-line { margin: 0; text-align: center; }
}

/* en pantallas táctiles las teclas del teclado no aplican */
@media (pointer: coarse) {
  .keys { display: none; }
}

/* Movimiento reducido (prefers-reduced-motion): sin animaciones decorativas */
@media (prefers-reduced-motion: reduce) {
  .avatar, .confetti-piece, .tear { animation: none !important; }
  .confetti-piece, .tear { display: none; }
  button.big-btn, .icon-btn, .pill-btn, .name-input { transition: none; }
  button.big-btn:hover, .icon-btn:hover { transform: none; }
}