/* =====================================================================
   CONOCIENDO A MIS ESTUDIANTES - Estilos
   Mobile-first. Todos los colores salen de las variables de :root.
   ===================================================================== */

:root {
  /* ============ 🎨 CAMBIAR COLOR PRINCIPAL AQUÍ ============ */
  --color-primary: #123F85;        /* Azul profundo */
  --color-primary-dark: #0C2F66;   /* Azul oscuro (hover) */
  --color-accent: #C11734;         /* Rojo - acentos */
  --color-accent-light: #E84A66;   /* Rojo claro */
  --color-bg: #FAF7F2;             /* Crema - fondo general */
  --color-bg-alt: #F2EDE3;         /* Crema alternativo */
  --color-text: #2A2A2A;           /* Texto principal */
  --color-text-soft: #5A5A5A;      /* Texto secundario */
  --color-border: #E5DED1;         /* Bordes suaves */
  --color-success: #4A8B6F;        /* Verde - éxito */
  --color-error: #B85450;          /* Rojo - errores */

  /* Derivados (superficies y transparencias de la misma paleta) */
  --color-surface: #FFFFFF;
  --color-on-primary: #FFFFFF;
  --color-primary-soft: rgba(18, 63, 133, 0.08);
  --color-primary-glow: rgba(18, 63, 133, 0.25);
  --color-accent-soft: rgba(193, 23, 52, 0.08);
  --color-success-soft: rgba(74, 139, 111, 0.12);
  --color-error-soft: rgba(184, 84, 80, 0.12);
  --color-overlay: rgba(12, 47, 102, 0.55);
  --sombra-suave: 0 2px 10px rgba(18, 63, 133, 0.06), 0 1px 2px rgba(42, 42, 42, 0.04);
  --sombra-media: 0 10px 28px rgba(18, 63, 133, 0.12);
  --radio: 18px;
  --radio-pequeno: 10px;

  /* ============ 📝 CAMBIAR TIPOGRAFÍA AQUÍ ============ */
  --font-display: 'Montserrat', -apple-system, sans-serif;
  --font-body: 'Montserrat', -apple-system, sans-serif;
}

/* ============ BASE ============ */
*, *::before, *::after { box-sizing: border-box; }

html, body { overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  /* >>> CAMBIAR FONDO DECORATIVO AQUÍ <<< */
  background-image:
    radial-gradient(circle at 8% 12%, var(--color-primary-soft) 0, transparent 32%),
    radial-gradient(circle at 92% 88%, var(--color-accent-soft) 0, transparent 30%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--color-text); }

a { color: var(--color-primary); }
a:hover { color: var(--color-primary-dark); }

code {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.1em 0.35em;
  border-radius: 6px;
  font-size: 0.88em;
}

[hidden] { display: none !important; }

.texto-suave { color: var(--color-text-soft); }

.contenedor-principal {
  flex: 1;
  padding-top: 1.25rem;
  padding-bottom: 2.5rem;
}

/* ============ ANIMACIONES ============ */
.aparecer {
  animation: aparecer 0.45s ease both;
  animation-delay: var(--retraso, 0ms);
}

@keyframes aparecer {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes latido {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

@keyframes vaiven {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============ CABECERA ============ */
.cabecera {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-on-primary);
  box-shadow: var(--sombra-media);
  position: relative;
  overflow: hidden;
}

.cabecera::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 36px solid var(--color-accent);
  opacity: 0.12;
  pointer-events: none;
}

.cabecera__contenido {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  position: relative;
  z-index: 1;
}

.cabecera__marca {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-on-primary);
  text-decoration: none;
  min-width: 0;
}

.cabecera__marca:hover { color: var(--color-on-primary); }

.cabecera__logo { width: 44px; height: 44px; flex-shrink: 0; }

.cabecera__institucion {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.cabecera__titulo {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
}

/* ============ NAVEGACIÓN ============ */
.navegacion {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  width: 100%;
}

.navegacion__enlace {
  flex: 1 1 auto;
  text-align: center;
  color: var(--color-on-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--font-body);
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.navegacion__enlace:hover,
.navegacion__enlace:focus-visible {
  color: var(--color-on-primary);
  background: var(--color-primary-glow);
  outline: none;
}

.navegacion__enlace--activo {
  background: var(--color-surface);
  color: var(--color-primary);
}

.navegacion__enlace--activo:hover { background: var(--color-surface); color: var(--color-primary); }

.navegacion__salir { display: contents; }

.navegacion__enlace--salir { border-color: var(--color-primary-glow); flex-grow: 0; }

/* ============ PIE ============ */
.pie {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-soft);
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-border);
}

/* ============ COMPONENTES BASE ============ */
.tarjeta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio);
  box-shadow: var(--sombra-suave);
  padding: 1.1rem;
  margin-bottom: 1rem;
}

.tarjeta__titulo {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.9rem;
}

.intro { margin: 0.5rem 0 1rem; }

.intro__titulo {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.intro__texto { color: var(--color-text-soft); margin: 0; }

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.boton:active { transform: scale(0.97); }

.boton:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--color-primary-glow); }

.boton:disabled { opacity: 0.5; cursor: not-allowed; }

.boton--primario { background: var(--color-primary); color: var(--color-on-primary); }
.boton--primario:hover { background: var(--color-primary-dark); color: var(--color-on-primary); }

.boton--secundario { background: var(--color-surface); color: var(--color-primary); border-color: var(--color-border); }
.boton--secundario:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }

.boton--peligro { background: transparent; color: var(--color-error); border-color: var(--color-error); }
.boton--peligro:hover { background: var(--color-error); color: var(--color-on-primary); }

.boton--bloque { width: 100%; }

.boton--pequeno { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

.campo__etiqueta {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-soft);
  margin-bottom: 0.3rem;
}

.campo__entrada {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radio-pequeno);
  padding: 0.6rem 0.8rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.campo__entrada:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}

.aviso {
  border-radius: var(--radio-pequeno);
  padding: 0.8rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  border-left: 4px solid;
}

.aviso--info { background: var(--color-primary-soft); border-color: var(--color-primary); }
.aviso--error { background: var(--color-error-soft); border-color: var(--color-error); color: var(--color-text); }

.estado-vacio {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--color-text-soft);
}

.estado-vacio__icono {
  width: 64px;
  height: 64px;
  margin: 0 auto 0.8rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.estado-vacio--error .estado-vacio__icono { color: var(--color-error); background: var(--color-error-soft); }

.estado-vacio__titulo { font-size: 1.15rem; font-weight: 700; }

.estado-vacio__texto { max-width: 520px; margin: 0 auto 1rem; }

/* Interruptor (checkbox con apariencia de switch) */
.interruptor {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  user-select: none;
}

.interruptor input { position: absolute; opacity: 0; pointer-events: none; }

.interruptor__pista {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--color-border);
  position: relative;
  flex-shrink: 0;
  transition: background-color 0.2s ease;
}

.interruptor__pista::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: var(--sombra-suave);
  transition: transform 0.2s ease;
}

.interruptor input:checked + .interruptor__pista { background: var(--color-primary); }
.interruptor input:checked + .interruptor__pista::after { transform: translateX(18px); }
.interruptor input:focus-visible + .interruptor__pista { box-shadow: 0 0 0 4px var(--color-primary-glow); }

/* ============ ACCESO (LOGIN) ============ */
.acceso {
  display: grid;
  place-items: center;
  min-height: 60vh;
}

.acceso__tarjeta {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border-radius: var(--radio);
  box-shadow: var(--sombra-media);
  padding: 2rem 1.5rem;
  text-align: center;
  border-top: 5px solid var(--color-accent);
}

.acceso__logo { margin-bottom: 0.8rem; }

.acceso__titulo { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.3rem; }

.acceso__texto { color: var(--color-text-soft); margin-bottom: 1.4rem; }

.acceso__formulario { text-align: left; display: grid; gap: 0.8rem; }

/* ============ FILTROS DE LA GALERÍA ============ */
.filtros { display: grid; gap: 0.8rem; position: relative; z-index: 2; }

.filtros__fila {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
}

.filtros__grado { flex: 1 1 160px; width: auto; }
.filtros__buscador { flex: 1 1 200px; width: auto; }

.segmentado {
  display: inline-flex;
  flex-wrap: wrap;
  background: var(--color-bg-alt);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}

.segmentado__opcion {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  border: 0;
  background: transparent;
  color: var(--color-text-soft);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.segmentado__opcion small { font-weight: 500; opacity: 0.8; }

.segmentado__opcion--activo {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--sombra-suave);
}

.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.chip {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }

.chip--activo { border-color: var(--color-primary); background: var(--color-primary-soft); color: var(--color-primary); }

/* ============ GALERÍA ============ */
.galeria__grupo {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 1.6rem 0 0.8rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
}

.galeria__grupo::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.galeria__grupo small { color: var(--color-text-soft); font-weight: 500; font-size: 0.8rem; }

.galeria__rejilla {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.estudiante {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  padding: 0;
  font-family: var(--font-body);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.estudiante:hover { transform: translateY(-3px); box-shadow: var(--sombra-media); }
.estudiante:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--color-primary-glow); }

.foto-marco {
  aspect-ratio: 3 / 4;
  background: var(--color-bg-alt);
  overflow: hidden;
  display: block;
  position: relative;
}

.foto-marco img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-iniciales {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  background: linear-gradient(160deg, var(--color-bg-alt), var(--color-primary-soft));
}

.estudiante__textos { display: block; padding: 0.6rem 0.7rem 0.75rem; transition: filter 0.25s ease; }

.estudiante__nombre {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.25;
  color: var(--color-text);
}

.estudiante__apellidos {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-soft);
  line-height: 1.25;
}

.estudiante__grupo {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary);
}

.insignia {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  font-size: 0.66rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: var(--color-surface);
  box-shadow: var(--sombra-suave);
}

.insignia--dominado { background: var(--color-success); color: var(--color-on-primary); }
.insignia--dificil { background: var(--color-accent); color: var(--color-on-primary); }

/* Modo repaso: el nombre se oculta hasta tocar la tarjeta */
.galeria--repaso .estudiante__textos { filter: blur(7px); user-select: none; }
.galeria--repaso .estudiante--revelado .estudiante__textos { filter: none; }

/* ============ DIÁLOGO ============ */
.dialogo {
  border: 0;
  border-radius: var(--radio);
  padding: 0;
  width: min(92vw, 380px);
  max-height: 92vh;
  overflow: auto;
  box-shadow: var(--sombra-media);
  background: var(--color-surface);
  color: var(--color-text);
}

.dialogo::backdrop { background: var(--color-overlay); }

.dialogo[open] { animation: aparecer 0.3s ease both; }

.dialogo__cuerpo { padding: 1rem 1.2rem 1.3rem; text-align: center; }

.dialogo__nombre { font-size: 1.3rem; font-weight: 700; margin: 0; }

.dialogo__cerrar {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--sombra-suave);
}

/* ============ MENÚ DE JUEGOS ============ */
.juegos-menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.juego-opcion {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  text-align: left;
  font-family: var(--font-body);
  cursor: pointer;
  margin: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.juego-opcion:hover { transform: translateY(-3px); box-shadow: var(--sombra-media); border-color: var(--color-primary); }
.juego-opcion:focus-visible { outline: none; box-shadow: 0 0 0 4px var(--color-primary-glow); }

.juego-opcion--activo { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }

.juego-opcion__icono {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-on-primary);
  background: var(--color-primary);
}

.juego-opcion__icono--quien::before { content: "?"; }
.juego-opcion__icono--donde::before { content: "⌕"; }
.juego-opcion__icono--parejas::before { content: "⧉"; }
.juego-opcion__icono--escribir::before { content: "✎"; }
.juego-opcion__icono--donde { background: var(--color-accent); }
.juego-opcion__icono--parejas { background: var(--color-success); }
.juego-opcion__icono--escribir { background: var(--color-primary-dark); }

.juego-opcion__titulo { font-weight: 700; font-size: 1.05rem; color: var(--color-text); }
.juego-opcion__descripcion { font-size: 0.86rem; color: var(--color-text-soft); }

.config-juego__titulo { font-size: 1.15rem; font-weight: 700; margin: 0 0 1rem; }

.config-juego__campos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.config-juego__resumen { margin: 0.9rem 0; font-size: 0.9rem; color: var(--color-text-soft); }
.config-juego__resumen--error { color: var(--color-error); font-weight: 600; }

.config-juego__acciones { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: flex-end; }

/* ============ ESCENARIO DE JUEGO ============ */
.escenario {
  background: var(--color-surface);
  border-radius: var(--radio);
  box-shadow: var(--sombra-media);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.escenario__barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
}

.escenario__info { text-align: center; min-width: 0; }
.escenario__titulo { display: block; font-weight: 700; font-size: 0.95rem; }
.escenario__contador { display: block; font-size: 0.75rem; color: var(--color-text-soft); }

.escenario__puntaje {
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  white-space: nowrap;
}

.escenario__area { padding: 1.1rem 0.9rem 1.5rem; }

.barra-progreso { height: 6px; background: var(--color-bg-alt); }

.barra-progreso__relleno {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-light));
  transition: width 0.4s ease;
}

/* ============ RONDA (¿Quién es? / ¿Dónde está? / Escribe) ============ */
.ronda { max-width: 560px; margin: 0 auto; text-align: center; }

.ronda__foto {
  width: min(62vw, 230px);
  margin: 0 auto 1rem;
  border-radius: var(--radio);
  box-shadow: var(--sombra-media);
  border: 4px solid var(--color-surface);
  outline: 1px solid var(--color-border);
}

.ronda__pregunta { font-size: 0.85rem; color: var(--color-text-soft); margin-bottom: 0.2rem; }

.ronda__nombre { font-size: 1.5rem; font-weight: 700; margin: 0 0 0.2rem; line-height: 1.2; }

.ronda__detalle { font-size: 0.85rem; color: var(--color-primary); font-weight: 600; margin-bottom: 1rem; }

.opciones { display: grid; grid-template-columns: 1fr; gap: 0.55rem; }

.opcion {
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.opcion__tecla {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  background: var(--color-bg-alt);
  color: var(--color-text-soft);
}

.opcion:hover:not(:disabled) { border-color: var(--color-primary); background: var(--color-primary-soft); }
.opcion:disabled { cursor: default; }

.opcion--correcta,
.opcion-foto--correcta { border-color: var(--color-success) !important; background: var(--color-success-soft) !important; animation: latido 0.4s ease; }

.opcion--incorrecta,
.opcion-foto--incorrecta { border-color: var(--color-error) !important; background: var(--color-error-soft) !important; animation: vaiven 0.3s ease; }

.opcion--atenuada,
.opcion-foto--atenuada { opacity: 0.45; }

.opciones-fotos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  max-width: 440px;
  margin: 0 auto;
}

.opcion-foto {
  padding: 0;
  border: 3px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--color-surface);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.opcion-foto:hover:not(:disabled) { border-color: var(--color-primary); transform: translateY(-2px); }
.opcion-foto:disabled { cursor: default; }

.opcion-foto__nombre {
  display: block;
  padding: 0.35rem 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  min-height: 1.9rem;
}

.retroalimentacion {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  font-weight: 600;
}

.retroalimentacion--ok { background: var(--color-success-soft); color: var(--color-success); }
.retroalimentacion--error { background: var(--color-error-soft); color: var(--color-error); }
.retroalimentacion small { display: block; font-weight: 500; color: var(--color-text-soft); margin-top: 0.2rem; }

.ronda__acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-top: 1rem; }

/* Escribe su nombre */
.escribir__entrada { text-align: center; font-size: 1.15rem; font-weight: 600; padding: 0.8rem; }
.escribir__pista { min-height: 1.4rem; margin: 0.6rem 0 0; font-size: 0.95rem; letter-spacing: 0.12em; color: var(--color-primary); font-weight: 700; }

/* ============ PAREJAS (MEMORIA) ============ */
.tablero {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.carta {
  aspect-ratio: 3 / 4;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  perspective: 900px;
  font-family: var(--font-body);
}

.carta:focus-visible { outline: none; }
.carta:focus-visible .carta__cara { box-shadow: 0 0 0 4px var(--color-primary-glow); }

.carta__interior {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  transition: transform 0.45s ease;
  transform-style: preserve-3d;
}

.carta--volteada .carta__interior,
.carta--emparejada .carta__interior { transform: rotateY(180deg); }

.carta__cara {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
  display: grid;
  place-items: center;
  box-shadow: var(--sombra-suave);
}

.carta__cara--dorso {
  background:
    radial-gradient(circle at 30% 30%, var(--color-primary-glow) 0, transparent 45%),
    linear-gradient(145deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-on-primary);
  font-size: 1.6rem;
  font-weight: 700;
}

.carta__cara--frente {
  transform: rotateY(180deg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
}

.carta__cara--frente img { width: 100%; height: 100%; object-fit: cover; }

.carta__nombre {
  padding: 0.4rem;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  word-break: break-word;
}

.carta--emparejada .carta__cara--frente { border-color: var(--color-success); box-shadow: 0 0 0 3px var(--color-success-soft); }
.carta--error .carta__cara--frente { border-color: var(--color-error); }

.tablero__estado { text-align: center; color: var(--color-text-soft); font-size: 0.88rem; margin-bottom: 0.8rem; }

/* ============ RESULTADOS ============ */
.resultados { text-align: center; padding: 1.8rem 1.1rem; }

.resultados__cifra {
  width: 130px;
  height: 130px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  background: conic-gradient(var(--color-success) calc(var(--porcentaje) * 1%), var(--color-bg-alt) 0);
  position: relative;
}

.resultados__cifra::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--color-surface);
}

.resultados__cifra span { position: relative; }

.resultados__mensaje { font-size: 1.1rem; font-weight: 600; max-width: 520px; margin: 0 auto 0.4rem; }

.resultados__detalle { color: var(--color-text-soft); font-size: 0.88rem; }

.resultados__subtitulo { font-size: 0.95rem; font-weight: 700; margin: 1.5rem 0 0.8rem; }

.resultados__acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; margin-top: 1.5rem; }

.resultados__aviso { font-size: 0.8rem; margin-top: 0.8rem; }

/* ============ PROGRESO ============ */
.indicadores {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.indicador { margin: 0; text-align: center; padding: 1rem 0.6rem; }

.indicador__valor { display: block; font-size: 1.8rem; font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.indicador__valor--exito { color: var(--color-success); }
.indicador__valor--acento { color: var(--color-accent); }
.indicador__etiqueta { display: block; font-size: 0.78rem; color: var(--color-text-soft); margin-top: 0.3rem; }

.progreso-columnas { display: grid; gap: 0 1rem; }

.progreso-grupo { margin-bottom: 0.9rem; }

.progreso-grupo__cabecera {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}

.progreso-grupo__nombre { font-weight: 600; }
.progreso-grupo__cifra { color: var(--color-text-soft); white-space: nowrap; }

.progreso-grupo__barra { height: 8px; background: var(--color-bg-alt); border-radius: 999px; overflow: hidden; }

.progreso-grupo__relleno {
  height: 100%;
  background: var(--color-success);
  border-radius: 999px;
  transition: width 0.5s ease;
}

.progreso-nivel { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); margin: 1rem 0 0.6rem; }
.progreso-nivel:first-child { margin-top: 0; }

.mini-galeria {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.6rem;
}

.mini-estudiante { text-align: center; font-size: 0.72rem; line-height: 1.2; }
.mini-estudiante .foto-marco { border-radius: 12px; margin-bottom: 0.3rem; }
.mini-estudiante strong { display: block; font-size: 0.76rem; }
.mini-estudiante .avatar-iniciales { font-size: 1.3rem; }

.texto-vacio { color: var(--color-text-soft); font-size: 0.88rem; margin: 0; }

.zona-reinicio { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem; margin-top: 1.5rem; color: var(--color-text-soft); }

/* ============ TABLAS Y DIAGNÓSTICO ============ */
.tabla-desplazable { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tabla { width: 100%; border-collapse: collapse; font-size: 0.85rem; }

.tabla th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-soft);
  border-bottom: 2px solid var(--color-border);
  padding: 0.5rem;
  white-space: nowrap;
}

.tabla td { border-bottom: 1px solid var(--color-border); padding: 0.55rem 0.5rem; vertical-align: top; }

.estado {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  margin-right: 0.3rem;
}

.estado--ok { background: var(--color-success-soft); color: var(--color-success); }
.estado--error { background: var(--color-error-soft); color: var(--color-error); }
.estado--info { background: var(--color-primary-soft); color: var(--color-primary); }

.bloque-codigo {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-pequeno);
  padding: 0.9rem 1rem;
  font-size: 0.82rem;
  overflow-x: auto;
  color: var(--color-text);
}

.lista-problemas { color: var(--color-error); padding-left: 1.2rem; margin: 0; }

.diagnostico__miniatura {
  width: 60px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--color-bg-alt);
}

.diagnostico__url { font-size: 0.72rem; word-break: break-all; color: var(--color-text-soft); max-width: 260px; }

/* ============ TABLET (≥ 600px) ============ */
@media (min-width: 600px) {
  .galeria__rejilla { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.9rem; }
  .opciones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .opciones-fotos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
  .tablero { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.7rem; }
  .indicadores { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .intro__titulo { font-size: 1.7rem; }
  .tarjeta { padding: 1.4rem; }
  .escenario__area { padding: 1.6rem 1.5rem 2rem; }
  .carta__nombre { font-size: 0.9rem; }
}

/* ============ ESCRITORIO (≥ 992px) ============ */
@media (min-width: 992px) {
  .cabecera__contenido { flex-wrap: nowrap; }
  .navegacion { width: auto; }
  .navegacion__enlace { flex: 0 0 auto; }
  .cabecera__titulo { font-size: 1.2rem; }
  .galeria__rejilla { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .progreso-columnas { grid-template-columns: 1.2fr 1fr; }
  .tablero--grande { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (min-width: 1200px) {
  .galeria__rejilla { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}