/*
 * MathMasters | Órbita cero
 *
 * Espacio profundo en azul noche, un planeta núcleo de ámbar solar y
 * cometas en coral. El hielo (cian) marca lo que ayuda al jugador: la
 * retícula, el escudo, el congelamiento. Tektur para lo que se lee rápido
 * en combate; Figtree para enunciados y textos largos.
 */

:root {
  --noche: #05070f;
  --noche-2: #0a0f1f;
  --superficie: rgba(14, 20, 40, 0.78);
  --superficie-alta: rgba(22, 30, 58, 0.92);
  --borde: rgba(233, 236, 245, 0.12);
  --borde-fuerte: rgba(233, 236, 245, 0.24);
  --texto: #e9ecf5;
  --tenue: #8a93ad;
  --ambar: #ffb020;
  --ambar-suave: rgba(255, 176, 32, 0.16);
  --coral: #ff5a5f;
  --hielo: #7fd9ff;
  --hielo-suave: rgba(127, 217, 255, 0.14);
  --verde: #6ee7a8;
  --radio: 14px;
  --display: 'Tektur', 'Trebuchet MS', sans-serif;
  --cuerpo: 'Figtree', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--noche);
  color: var(--texto);
  font-family: var(--cuerpo);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; color: inherit; }

.ic { width: 1.1em; height: 1.1em; flex-shrink: 0; vertical-align: -0.18em; }

#arena { position: fixed; inset: 0; display: block; }

/* ------------------------------------------------------------------ *
 * Barra superior
 * ------------------------------------------------------------------ */

.barra {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  pointer-events: none;
}
.barra > * { pointer-events: auto; }

.marca {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ambar);
  text-decoration: none;
  margin-right: auto;
}
.marca .ic { width: 1.4em; height: 1.4em; }

.boton-icono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--borde);
  background: var(--superficie);
  backdrop-filter: blur(10px);
  cursor: pointer;
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.boton-icono:hover { border-color: var(--ambar); transform: translateY(-1px); }
.boton-icono[hidden] { display: none; }

#lang-toggle { position: relative; }

/* ------------------------------------------------------------------ *
 * HUD de combate
 * ------------------------------------------------------------------ */

.hud {
  position: fixed;
  top: 64px; left: 16px; right: 16px;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 12px;
  pointer-events: none;
}
.hud[hidden] { display: none; }
.hud > * { pointer-events: auto; }

.hud-puntos {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hud-combo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-family: var(--display);
  color: var(--ambar);
  font-size: 0.95rem;
  opacity: 0.35;
  transition: opacity 0.2s, transform 0.2s;
}
.hud-combo.activo { opacity: 1; }
.hud-combo.pulso { animation: pulso 0.35s ease; }

.hud-etapa {
  text-align: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--borde);
  background: var(--superficie);
  backdrop-filter: blur(10px);
  font-size: 0.9rem;
  color: var(--tenue);
  white-space: nowrap;
}
.hud-etapa b { color: var(--texto); font-weight: 600; }

.hud-der { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.hud-vidas { display: flex; gap: 4px; color: var(--coral); }
.hud-vidas .ic { width: 26px; height: 26px; fill: currentColor; transition: opacity 0.3s, transform 0.3s; }
.hud-vidas .perdida { opacity: 0.2; fill: none; transform: scale(0.85); }

.hud-poderes { display: flex; gap: 6px; }
.poder {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--borde);
  background: var(--superficie);
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--tenue);
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.poder .ic { width: 22px; height: 22px; }
.poder kbd {
  position: absolute; bottom: -6px; right: -6px;
  font: 600 0.62rem var(--display);
  background: var(--noche-2);
  border: 1px solid var(--borde);
  border-radius: 6px;
  padding: 1px 4px;
  color: var(--tenue);
}
.poder .cargas {
  position: absolute; top: -6px; left: -6px;
  min-width: 18px; height: 18px;
  border-radius: 9px;
  background: var(--hielo);
  color: var(--noche);
  font: 700 0.7rem/18px var(--display);
  text-align: center;
}
.poder.cargado { color: var(--hielo); border-color: var(--hielo); box-shadow: 0 0 16px var(--hielo-suave); }
.poder:disabled { cursor: not-allowed; }
.poder.activo { animation: brillo 1s ease infinite alternate; }

/* ------------------------------------------------------------------ *
 * Consola de respuesta
 * ------------------------------------------------------------------ */

.consola {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 30;
  width: min(760px, calc(100% - 32px));
  max-height: 52vh;
  overflow-y: auto;
  padding: 18px 22px 16px;
  border-radius: var(--radio);
  border: 1px solid var(--borde-fuerte);
  background: var(--superficie-alta);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.consola[hidden] { display: none; }
.consola.bien { border-color: var(--verde); }
.consola.mal { border-color: var(--coral); animation: temblor 0.3s; }

.consola-cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.82rem;
  color: var(--tenue);
}
.consola-cabecera .etiqueta { display: inline-flex; align-items: center; gap: 6px; color: var(--hielo); }
.fases { display: inline-flex; gap: 4px; }
.fases span { width: 22px; height: 6px; border-radius: 3px; background: var(--hielo); }
.fases span.rota { background: var(--borde); }

.contexto { font-size: 0.95rem; color: var(--tenue); margin: 0 0 6px; }
.enunciado { font-size: clamp(1.02rem, 2.2vw, 1.22rem); line-height: 1.5; margin: 0 0 14px; }
.enunciado .katex { font-size: 1.08em; }

.respuesta { display: flex; gap: 8px; }
.respuesta input {
  flex: 1;
  min-width: 0;
  height: 50px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--borde-fuerte);
  background: rgba(5, 7, 15, 0.7);
  color: var(--texto);
  font: 600 1.2rem var(--display);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.respuesta input:focus { border-color: var(--ambar); box-shadow: 0 0 0 3px var(--ambar-suave); }

.opciones { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.opcion {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--borde-fuerte);
  background: rgba(5, 7, 15, 0.55);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}
.opcion:hover, .opcion:focus-visible { border-color: var(--ambar); background: var(--ambar-suave); outline: none; }
.opcion kbd { font: 600 0.75rem var(--display); color: var(--tenue); border: 1px solid var(--borde); border-radius: 6px; padding: 2px 6px; }
.opcion.descartada { opacity: 0.25; pointer-events: none; }

.consola-pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--tenue);
  min-height: 1.4em;
}
.aviso-respuesta.bien { color: var(--verde); }
.aviso-respuesta.mal { color: var(--coral); }
.texto-pista { color: var(--hielo); }

/* ------------------------------------------------------------------ *
 * Botones y pantallas
 * ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid var(--borde-fuerte);
  background: var(--superficie);
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.btn:hover, .btn:focus-visible { border-color: var(--ambar); transform: translateY(-2px); outline: none; }
.btn.primario { background: var(--ambar); border-color: var(--ambar); color: var(--noche); }
.btn.primario:hover { box-shadow: 0 10px 30px rgba(255, 176, 32, 0.35); }
.btn.chico { height: 40px; padding: 0 14px; font-size: 0.9rem; }

.pantalla {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 80px 16px 24px;
  overflow-y: auto;
  background: radial-gradient(ellipse at 50% 40%, rgba(5, 7, 15, 0.25), rgba(5, 7, 15, 0.82));
}
.pantalla[hidden] { display: none; }
.pantalla.velo { background: rgba(5, 7, 15, 0.78); backdrop-filter: blur(6px); }

.panel {
  width: min(880px, 100%);
  padding: clamp(22px, 4vw, 40px);
  border-radius: 20px;
  border: 1px solid var(--borde);
  background: var(--superficie);
  backdrop-filter: blur(14px);
  animation: aparecer 0.45s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.panel.estrecho { width: min(520px, 100%); }

.titulo-juego {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 5rem);
  line-height: 0.95;
  margin: 0;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, var(--ambar), var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bajada { color: var(--tenue); font-size: 1.05rem; margin: 12px 0 28px; max-width: 46ch; }

h2.titulo-pantalla { font-family: var(--display); font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0 0 6px; }

.modos { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.modo {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: rgba(5, 7, 15, 0.45);
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  animation: aparecer 0.5s both;
}
.modo:nth-child(2) { animation-delay: 0.06s; }
.modo:nth-child(3) { animation-delay: 0.12s; }
.modo:nth-child(4) { animation-delay: 0.18s; }
.modo:hover, .modo:focus-visible { transform: translateY(-4px); border-color: var(--ambar); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4); outline: none; }
.modo .ic { width: 30px; height: 30px; color: var(--ambar); }
.modo b { font-family: var(--display); font-size: 1.2rem; font-weight: 600; }
.modo span { color: var(--tenue); font-size: 0.92rem; }
.modo small { color: var(--hielo); font-size: 0.8rem; }

.fila-acciones { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* Mapa de campaña: nueve regiones en órbita alrededor del núcleo. */
.mapa {
  position: relative;
  width: min(640px, 100%);
  aspect-ratio: 1 / 1;
  margin: 10px auto 0;
}
.mapa::before {
  content: '';
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 176, 32, 0.22);
}
.mapa-nucleo {
  position: absolute;
  left: 50%; top: 50%;
  width: 22%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff1c9, #ffcf6b 45%, #c46a00);
  box-shadow: 0 0 60px rgba(255, 176, 32, 0.4);
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--noche);
  font: 700 0.85rem var(--display);
  padding: 6px;
}
.region {
  position: absolute;
  width: 23%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 6px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: rgba(10, 15, 31, 0.9);
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}
.region:hover, .region:focus-visible { transform: translate(-50%, -50%) scale(1.06); border-color: var(--ambar); outline: none; }
.region b { font-size: 0.9rem; font-weight: 600; }
.estrellas { display: flex; gap: 2px; color: var(--tenue); }
.estrellas .ic { width: 13px; height: 13px; }
.estrellas .llena { color: var(--ambar); fill: currentColor; }
.region .rangos-mini { display: flex; gap: 3px; }
.region .rangos-mini i { width: 8px; height: 8px; border-radius: 50%; background: var(--borde); }
.region .rangos-mini i.ok { background: var(--verde); }

.rangos { display: grid; gap: 10px; margin-top: 18px; }
.rango {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: rgba(5, 7, 15, 0.45);
  cursor: pointer;
  text-align: left;
}
.rango:hover:not(:disabled), .rango:focus-visible { border-color: var(--ambar); outline: none; }
.rango:disabled { opacity: 0.45; cursor: not-allowed; }
.rango .ic { width: 26px; height: 26px; color: var(--ambar); }
.rango div { flex: 1; }
.rango b { display: block; font-family: var(--display); font-weight: 600; }
.rango span { color: var(--tenue); font-size: 0.88rem; }

.temas-practica { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 14px 0; }
.chip {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--borde);
  background: rgba(5, 7, 15, 0.45);
  cursor: pointer;
  text-align: center;
  font-size: 0.92rem;
}
.chip[aria-pressed='true'] { border-color: var(--ambar); background: var(--ambar-suave); color: var(--ambar); }
.chip:disabled { opacity: 0.4; cursor: not-allowed; }

/* Resultados */
.resultado-cifra { font-family: var(--display); font-size: clamp(3rem, 10vw, 5rem); font-weight: 700; color: var(--ambar); line-height: 1; margin: 8px 0; }
.insignia-record { display: inline-flex; align-items: center; gap: 6px; color: var(--hielo); font-weight: 600; }
.metricas { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 18px 0; }
.metrica { padding: 12px; border-radius: 12px; border: 1px solid var(--borde); background: rgba(5, 7, 15, 0.45); }
.metrica b { display: block; font-family: var(--display); font-size: 1.5rem; }
.metrica span { color: var(--tenue); font-size: 0.82rem; }
.grafica-temas { width: 100%; height: 180px; display: block; }

.logros { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; margin-top: 16px; }
.logro { display: flex; gap: 12px; align-items: center; padding: 12px; border-radius: 12px; border: 1px solid var(--borde); opacity: 0.45; }
.logro.obtenido { opacity: 1; border-color: rgba(255, 176, 32, 0.45); }
.logro .ic { width: 28px; height: 28px; color: var(--ambar); }
.logro b { display: block; font-weight: 600; }
.logro span { color: var(--tenue); font-size: 0.85rem; }

.ajustes { display: grid; gap: 16px; margin-top: 16px; }
.ajuste { display: grid; grid-template-columns: 1fr 180px; align-items: center; gap: 12px; }
.ajuste input[type='range'] { accent-color: var(--ambar); width: 100%; }
.ajuste input[type='checkbox'] { accent-color: var(--ambar); width: 22px; height: 22px; justify-self: end; }

.teclas { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 18px; color: var(--tenue); font-size: 0.85rem; }
.teclas kbd { font: 600 0.75rem var(--display); border: 1px solid var(--borde); border-radius: 6px; padding: 2px 6px; color: var(--texto); }

/* Anuncio de jefe y oleada */
.anuncio {
  position: fixed;
  left: 50%; top: 30%;
  z-index: 45;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  animation: anuncio 2.2s ease both;
}
.anuncio[hidden] { display: none; }
.anuncio small { display: block; color: var(--hielo); font-size: 0.95rem; }
.anuncio strong { display: block; font-family: var(--display); font-size: clamp(2rem, 6vw, 3.6rem); color: var(--texto); text-shadow: 0 0 30px rgba(255, 61, 127, 0.6); }

/* Avisos de logro */
.avisos { position: fixed; right: 16px; bottom: 16px; z-index: 60; display: grid; gap: 8px; }
.aviso {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 176, 32, 0.5);
  background: var(--superficie-alta);
  animation: aparecer 0.4s both;
  max-width: 320px;
}
.aviso .ic { width: 26px; height: 26px; color: var(--ambar); }
.aviso small { display: block; color: var(--tenue); }

.solo-lectores { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@keyframes aparecer { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes pulso { 50% { transform: scale(1.25); } }
@keyframes brillo { from { box-shadow: 0 0 6px var(--hielo-suave); } to { box-shadow: 0 0 22px var(--hielo); } }
@keyframes temblor { 25% { transform: translateX(calc(-50% - 6px)); } 75% { transform: translateX(calc(-50% + 6px)); } }
@keyframes anuncio {
  0% { opacity: 0; transform: translate(-50%, -40%) scale(0.9); }
  15%, 75% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -60%) scale(1.02); }
}

body.sin-movimiento *, body.sin-movimiento *::before { animation: none !important; transition: none !important; }

@media (max-width: 700px) {
  .hud { top: 60px; grid-template-columns: 1fr 1fr; }
  .hud-etapa { grid-column: 1 / -1; grid-row: 2; justify-self: center; }
  .opciones { grid-template-columns: 1fr; }
  .consola { bottom: 10px; padding: 14px 14px 12px; max-height: 58vh; }
  .marca span { display: none; }
  .ajuste { grid-template-columns: 1fr; }
  .region { width: 29%; padding: 8px 4px; }
  .region b { font-size: 0.75rem; }
  .mapa-nucleo { font-size: 0.65rem; }
}