/* =============================================================================
   TOKENS DE DISEÑO
   Paleta: consola de certificacion nocturna. Azul profundo casi negro,
   acento dorado (medalla/insignia de certificacion) y cian para aciertos.
   Tipografia: Space Grotesk (display, tecnica/geometrica) + Inter (cuerpo)
   + IBM Plex Mono (datos, codigos de dominio, metricas).
   ============================================================================= */
:root {
  --bg-base: #0A1120;
  --bg-panel: #101B30;
  --bg-card: #142238;
  --bg-card-hover: #182842;
  --borde: rgba(148, 176, 214, 0.14);
  --borde-fuerte: rgba(148, 176, 214, 0.28);

  --texto-primario: #EAF0FB;
  --texto-secundario: #9BAAC4;
  --texto-terciario: #6C7C99;

  --acento-oro: #E8A94D;
  --acento-oro-fuerte: #F5C371;
  --acento-cian: #4FD1C5;
  --acento-cian-fuerte: #7EE8DC;
  --acento-rojo: #E8636B;
  --acento-rojo-fuerte: #F28A90;

  --fuente-display: "Space Grotesk", "Segoe UI", sans-serif;
  --fuente-cuerpo: "Inter", "Segoe UI", sans-serif;
  --fuente-mono: "IBM Plex Mono", "Courier New", monospace;

  --radio-sm: 8px;
  --radio-md: 14px;
  --radio-lg: 22px;

  --sombra-panel: 0 20px 60px -25px rgba(0, 0, 0, 0.6);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--texto-primario);
  font-family: var(--fuente-cuerpo);
  min-height: 100%;
}

body {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Textura de fondo sutil: retícula tipo "consola" */
.fondo-textura {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(232, 169, 77, 0.07), transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(79, 209, 197, 0.06), transparent 45%),
    linear-gradient(rgba(148, 176, 214, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 176, 214, 0.05) 1px, transparent 1px);
  background-size: auto, auto, 42px 42px, 42px 42px;
}

button { font-family: inherit; }

/* =============================================================================
   BARRA SUPERIOR
   ============================================================================= */
.barra-superior {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  border-bottom: 1px solid var(--borde);
  background: linear-gradient(180deg, rgba(16, 27, 48, 0.9), rgba(16, 27, 48, 0.4));
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}

.marca { display: flex; align-items: baseline; gap: 12px; }

.marca-codigo {
  font-family: var(--fuente-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--acento-oro);
  border: 1px solid rgba(232, 169, 77, 0.35);
  padding: 3px 8px;
  border-radius: 6px;
}

.marca-nombre {
  font-family: var(--fuente-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--texto-primario);
}

.reloj-sesion {
  font-family: var(--fuente-mono);
  color: var(--texto-secundario);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* =============================================================================
   LAYOUT GENERAL
   ============================================================================= */
.contenedor-principal {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 56px) clamp(20px, 5vw, 32px) 64px;
}

.pantalla { animation: aparecer 0.35s ease; }

@keyframes aparecer {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =============================================================================
   PANTALLA DE INICIO
   ============================================================================= */
#pantalla-inicio {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 860px) {
  #pantalla-inicio { grid-template-columns: 1fr; }
}

.panel-hero {
  background: linear-gradient(160deg, var(--bg-panel), var(--bg-base));
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: clamp(28px, 4vw, 44px);
}

.eyebrow {
  font-family: var(--fuente-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acento-cian);
  margin: 0 0 18px;
}

.titulo-hero {
  font-family: var(--fuente-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.08;
  font-weight: 700;
  margin: 0 0 18px;
  color: var(--texto-primario);
}

.subtitulo-hero {
  color: var(--texto-secundario);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 46ch;
  margin: 0 0 28px;
}

.chips-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-stat {
  font-family: var(--fuente-mono);
  font-size: 0.82rem;
  color: var(--texto-secundario);
  border: 1px solid var(--borde);
  border-radius: 999px;
  padding: 7px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chip-stat strong { color: var(--texto-primario); font-weight: 600; }
.chip-stat .punto { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }

/* Panel de configuración */
.panel-config {
  background: var(--bg-panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: clamp(24px, 4vw, 32px);
  box-shadow: var(--sombra-panel);
}

.panel-config-titulo {
  font-family: var(--fuente-display);
  font-size: 1.2rem;
  margin: 0 0 20px;
}

.grupo-campo { margin-bottom: 22px; }

.etiqueta-campo {
  display: block;
  font-size: 0.82rem;
  color: var(--texto-terciario);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.selector-chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.chip-opcion {
  background: var(--bg-card);
  border: 1px solid var(--borde);
  border-radius: var(--radio-md);
  color: var(--texto-primario);
  font-family: var(--fuente-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 12px 10px 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}

.chip-opcion span {
  font-family: var(--fuente-cuerpo);
  font-weight: 400;
  font-size: 0.72rem;
  color: var(--texto-terciario);
  text-transform: lowercase;
}

.chip-opcion:hover { background: var(--bg-card-hover); border-color: var(--borde-fuerte); }
.chip-opcion:active { transform: scale(0.98); }

.chip-opcion.seleccionado {
  border-color: var(--acento-oro);
  background: rgba(232, 169, 77, 0.1);
}
.chip-opcion.seleccionado span { color: var(--acento-oro-fuerte); }

.grupo-personalizado {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px dashed var(--borde);
  padding-top: 14px;
}

.etiqueta-campo-inline { font-size: 0.88rem; color: var(--texto-secundario); }

#cantidad-personalizada {
  width: 90px;
  background: var(--bg-card);
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  color: var(--texto-primario);
  font-family: var(--fuente-mono);
  padding: 8px 10px;
  font-size: 0.95rem;
}
#cantidad-personalizada:focus { outline: 2px solid var(--acento-cian); border-color: transparent; }

.boton-primario {
  width: 100%;
  background: linear-gradient(135deg, var(--acento-oro), #C97F2E);
  color: #201203;
  font-family: var(--fuente-display);
  font-weight: 700;
  font-size: 1.02rem;
  border: none;
  border-radius: var(--radio-md);
  padding: 15px 20px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.1s ease;
}
.boton-primario:hover:not(:disabled) { filter: brightness(1.08); }
.boton-primario:active:not(:disabled) { transform: scale(0.99); }
.boton-primario:disabled { opacity: 0.4; cursor: not-allowed; }
.boton-primario:focus-visible { outline: 3px solid var(--acento-cian); outline-offset: 2px; }

.boton-secundario {
  background: transparent;
  color: var(--texto-primario);
  font-family: var(--fuente-display);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid var(--borde-fuerte);
  border-radius: var(--radio-md);
  padding: 14px 20px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.boton-secundario:hover { background: var(--bg-card); }
.boton-secundario:focus-visible { outline: 3px solid var(--acento-cian); outline-offset: 2px; }

.nota-config {
  font-size: 0.78rem;
  color: var(--texto-terciario);
  margin-top: 14px;
  text-align: center;
}

/* =============================================================================
   PANTALLA DE EXAMEN
   ============================================================================= */
.barra-progreso-wrap { margin-bottom: 22px; }

.barra-progreso-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  font-family: var(--fuente-mono);
  font-size: 0.85rem;
  color: var(--texto-secundario);
}

.etiqueta-dominio {
  color: var(--acento-cian);
  border: 1px solid rgba(79, 209, 197, 0.3);
  border-radius: 999px;
  padding: 2px 10px;
}

.barra-progreso-fondo {
  height: 6px;
  background: var(--bg-panel);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--borde);
}

.barra-progreso-relleno {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--acento-oro), var(--acento-cian));
  transition: width 0.35s ease;
}

.tarjeta-pregunta {
  background: var(--bg-panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: clamp(24px, 4vw, 38px);
  box-shadow: var(--sombra-panel);
}

.tipo-pregunta {
  font-family: var(--fuente-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--acento-oro-fuerte);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.texto-pregunta {
  font-family: var(--fuente-display);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.42;
  font-weight: 600;
  margin: 0 0 26px;
  color: var(--texto-primario);
}

.lista-opciones { display: flex; flex-direction: column; gap: 12px; }

.opcion {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--borde);
  border-radius: var(--radio-md);
  padding: 15px 18px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.opcion:hover { background: var(--bg-card-hover); }

.opcion-marcador {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  border: 1.5px solid var(--borde-fuerte);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fuente-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--texto-terciario);
  transition: all 0.15s ease;
}

.opcion.multi .opcion-marcador { border-radius: 7px; }
.opcion.unica .opcion-marcador { border-radius: 50%; }

.opcion-texto { color: var(--texto-primario); font-size: 0.98rem; line-height: 1.5; padding-top: 2px; }

.opcion.marcada {
  border-color: var(--acento-oro);
  background: rgba(232, 169, 77, 0.08);
}
.opcion.marcada .opcion-marcador {
  border-color: var(--acento-oro);
  background: var(--acento-oro);
  color: #201203;
}

.opcion.deshabilitada { cursor: default; }
.opcion.correcta {
  border-color: var(--acento-cian);
  background: rgba(79, 209, 197, 0.1);
}
.opcion.correcta .opcion-marcador {
  border-color: var(--acento-cian);
  background: var(--acento-cian);
  color: #04211e;
}
.opcion.incorrecta-marcada {
  border-color: var(--acento-rojo);
  background: rgba(232, 99, 107, 0.1);
}
.opcion.incorrecta-marcada .opcion-marcador {
  border-color: var(--acento-rojo);
  background: var(--acento-rojo);
  color: #2a0708;
}

.retroalimentacion {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: var(--radio-md);
  font-size: 0.94rem;
  line-height: 1.55;
  border: 1px solid var(--borde);
  background: var(--bg-card);
  color: var(--texto-secundario);
}
.retroalimentacion.ok { border-color: rgba(79, 209, 197, 0.4); }
.retroalimentacion.fallo { border-color: rgba(232, 99, 107, 0.4); }
.retroalimentacion strong { color: var(--texto-primario); }

.barra-acciones {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 22px;
}
.barra-acciones .boton-primario,
.barra-acciones .boton-secundario { width: auto; min-width: 220px; }

@media (max-width: 560px) {
  .barra-acciones { flex-direction: column; }
  .barra-acciones .boton-primario,
  .barra-acciones .boton-secundario { width: 100%; min-width: 0; }
}

/* =============================================================================
   PANTALLA DE RESULTADOS
   ============================================================================= */
.resultado-encabezado {
  display: flex;
  align-items: center;
  gap: 32px;
  background: var(--bg-panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: clamp(24px, 4vw, 36px);
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  .resultado-encabezado { flex-direction: column; text-align: center; }
}

.medidor-puntaje { position: relative; width: 140px; height: 140px; flex: 0 0 auto; }
.medidor-svg { width: 140px; height: 140px; transform: rotate(-90deg); }
.medidor-pista { fill: none; stroke: var(--bg-card); stroke-width: 10; }
.medidor-progreso {
  fill: none;
  stroke: var(--acento-oro);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 377;
  stroke-dashoffset: 377;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.4s ease;
}
.medidor-texto {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.medidor-puntaje-numero {
  font-family: var(--fuente-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--texto-primario);
}
.medidor-puntaje-escala {
  font-family: var(--fuente-mono);
  font-size: 0.75rem;
  color: var(--texto-terciario);
}

.resultado-veredicto h2 {
  font-family: var(--fuente-display);
  font-size: 1.5rem;
  margin: 10px 0 6px;
}
.subtitulo-resultado { color: var(--texto-secundario); margin: 0; }

.badge-veredicto {
  display: inline-block;
  font-family: var(--fuente-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
}
.badge-veredicto.aprobado { background: rgba(79, 209, 197, 0.15); color: var(--acento-cian-fuerte); border: 1px solid rgba(79, 209, 197, 0.4); }
.badge-veredicto.reprobado { background: rgba(232, 99, 107, 0.15); color: var(--acento-rojo-fuerte); border: 1px solid rgba(232, 99, 107, 0.4); }

.grid-metricas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 700px) { .grid-metricas { grid-template-columns: repeat(2, 1fr); } }

.metrica-card {
  background: var(--bg-panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio-md);
  padding: 18px;
  text-align: center;
}
.metrica-valor {
  display: block;
  font-family: var(--fuente-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--texto-primario);
}
.metrica-etiqueta {
  font-size: 0.8rem;
  color: var(--texto-terciario);
}

.panel-dominio, .panel-recomendaciones {
  background: var(--bg-panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: clamp(22px, 4vw, 30px);
  margin-bottom: 20px;
}

.panel-dominio-titulo {
  font-family: var(--fuente-display);
  font-size: 1.05rem;
  margin: 0 0 18px;
}

.fila-dominio { margin-bottom: 18px; }
.fila-dominio:last-child { margin-bottom: 0; }

.fila-dominio-encabezado {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--texto-secundario);
}
.fila-dominio-encabezado strong { color: var(--texto-primario); }

.barra-doble {
  position: relative;
  height: 20px;
  background: var(--bg-card);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--borde);
}
.barra-doble-oficial {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  background: rgba(148, 176, 214, 0.18);
  border-right: 2px dashed rgba(148, 176, 214, 0.5);
}
.barra-doble-tuyo {
  position: absolute;
  top: 3px; left: 0; bottom: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--acento-oro), var(--acento-cian));
  transition: width 0.6s ease;
}

.leyenda-dominio {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--texto-terciario);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.leyenda-punto { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-left: 14px; }
.leyenda-punto:first-child { margin-left: 0; }
.leyenda-tu { background: linear-gradient(90deg, var(--acento-oro), var(--acento-cian)); }
.leyenda-oficial { background: rgba(148, 176, 214, 0.4); }

#lista-recomendaciones { display: flex; flex-direction: column; gap: 10px; }
.recomendacion-item {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 0.92rem;
  color: var(--texto-secundario);
  padding: 10px 14px;
  background: var(--bg-card);
  border-radius: var(--radio-sm);
  border-left: 3px solid var(--acento-rojo);
}
.recomendacion-item.positiva { border-left-color: var(--acento-cian); }
.recomendacion-item strong { color: var(--texto-primario); }

/* =============================================================================
   PANTALLA DE REVISION
   ============================================================================= */
.revision-encabezado {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.revision-encabezado h2 { font-family: var(--fuente-display); margin: 0; }

.lista-revision { display: flex; flex-direction: column; gap: 16px; }

.revision-item {
  background: var(--bg-panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio-md);
  padding: 20px 22px;
}
.revision-item-encabezado {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  font-family: var(--fuente-mono);
  font-size: 0.78rem;
  color: var(--texto-terciario);
}
.revision-resultado-icono { font-size: 0.95rem; }
.revision-resultado-icono.ok { color: var(--acento-cian); }
.revision-resultado-icono.fallo { color: var(--acento-rojo); }

.revision-item p.pregunta-texto {
  font-weight: 600;
  color: var(--texto-primario);
  margin: 0 0 12px;
  font-size: 1rem;
}

.revision-opciones { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.revision-opcion {
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: var(--radio-sm);
  border: 1px solid var(--borde);
  color: var(--texto-secundario);
}
.revision-opcion.correcta { border-color: rgba(79, 209, 197, 0.4); color: var(--acento-cian-fuerte); background: rgba(79, 209, 197, 0.06); }
.revision-opcion.marcada-incorrecta { border-color: rgba(232, 99, 107, 0.4); color: var(--acento-rojo-fuerte); background: rgba(232, 99, 107, 0.06); }

.revision-explicacion {
  font-size: 0.88rem;
  color: var(--texto-secundario);
  border-top: 1px dashed var(--borde);
  padding-top: 10px;
}

/* =============================================================================
   PIE DE PAGINA
   ============================================================================= */
.pie-pagina {
  text-align: center;
  color: var(--texto-terciario);
  font-size: 0.78rem;
  padding: 24px;
  border-top: 1px solid var(--borde);
}