:root {
  --azul-noche: #020715;
  --azul-panel: rgba(6, 17, 36, 0.84);
  --azul-boton: rgba(8, 30, 64, 0.74);
  --azul-boton-2: rgba(11, 48, 93, 0.86);
  --azul-luz: #70b8ff;
  --azul-hielo: #d7ecff;
  --texto-principal: #edf7ff;
  --texto-suave: #a8c7e5;
  --borde-suave: rgba(132, 194, 255, 0.24);
  --sombra-azul: 0 0 28px rgba(63, 150, 255, 0.25);
  --radio-grande: 24px;
  --radio-medio: 16px;
  --ancho-maximo: 1680px;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--azul-noche); }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--texto-principal);
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(47, 124, 210, 0.25), transparent 34%),
    radial-gradient(circle at 84% 16%, rgba(33, 76, 145, 0.18), transparent 30%),
    linear-gradient(145deg, #01030b 0%, #071326 48%, #020614 100%);
  overflow-x: hidden;
}

.fondo-azul {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(122, 187, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 187, 255, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.pagina {
  width: min(96vw, var(--ancho-maximo));
  margin: 0 auto;
  padding: clamp(12px, 2vw, 28px) 0 clamp(28px, 4vw, 48px);
}

.barra-superior,
.barra-final {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.barra-final {
  justify-content: center;
  margin: clamp(18px, 3vw, 34px) 0 0;
}

.cabecera {
  position: relative;
  width: 100%;
  margin: 0 auto clamp(18px, 3vw, 34px);
}

.imagen-principal {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: clamp(14px, 1.8vw, 28px);
  border: 1px solid rgba(155, 209, 255, 0.22);
  box-shadow:
    0 20px 80px rgba(0, 0, 0, 0.58),
    0 0 34px rgba(75, 157, 255, 0.18);
}

.panel {
  position: relative;
  padding: clamp(18px, 2.8vw, 34px);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-grande);
  background:
    linear-gradient(180deg, rgba(9, 22, 46, 0.84), rgba(3, 8, 20, 0.88)),
    radial-gradient(circle at top left, rgba(76, 164, 255, 0.16), transparent 42%);
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
}

.panel-superior {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.acciones-panel {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.etiqueta {
  margin: 0 0 6px;
  color: var(--azul-luz);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: clamp(0.76rem, 1.1vw, 0.92rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--texto-principal);
  font-size: clamp(1.6rem, 3vw, 3.15rem);
  font-weight: 500;
  letter-spacing: 0.045em;
  text-shadow: 0 0 22px rgba(120, 190, 255, 0.22);
}

.boton-pequeno,
.boton-grande,
.boton-tema {
  border: 1px solid var(--borde-suave);
  color: var(--texto-principal);
  background: var(--azul-boton);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.boton-pequeno:hover,
.boton-grande:hover,
.boton-tema:hover {
  transform: translateY(-2px);
  border-color: rgba(149, 213, 255, 0.62);
  background: var(--azul-boton-2);
  box-shadow: var(--sombra-azul), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.boton-pequeno:active,
.boton-grande:active,
.boton-tema:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 0 12px rgba(115, 186, 255, 0.24);
}

.boton-pequeno {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--azul-hielo);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.sonido-desactivado { opacity: 0.72; }

.contenedor-botones { width: 100%; }

.contenedor-categorias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.contenedor-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.boton-grande {
  position: relative;
  min-height: clamp(108px, 12vw, 152px);
  padding: clamp(18px, 2.4vw, 28px);
  overflow: hidden;
  border-radius: var(--radio-medio);
  text-align: left;
  isolation: isolate;
}

.boton-tema {
  position: relative;
  min-height: 82px;
  padding: 16px 18px;
  overflow: hidden;
  border-radius: 14px;
  text-align: left;
  isolation: isolate;
}

.boton-grande::before,
.boton-tema::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(120deg, transparent 0%, rgba(142, 211, 255, 0.12) 38%, transparent 64%),
    radial-gradient(circle at top right, rgba(88, 169, 255, 0.18), transparent 46%);
  opacity: 0;
  transform: translateX(-16%);
  transition: opacity 220ms ease, transform 220ms ease;
}

.boton-grande:hover::before,
.boton-tema:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.texto-boton-grande {
  display: block;
  font-size: clamp(1.08rem, 1.65vw, 1.85rem);
  line-height: 1.08;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(122, 190, 255, 0.18);
}

.descripcion-boton {
  display: block;
  max-width: 58ch;
  margin-top: 12px;
  color: var(--texto-suave);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: clamp(0.82rem, 1.05vw, 0.96rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.titulo-item {
  display: block;
  color: var(--texto-principal);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: clamp(0.96rem, 1.2vw, 1.08rem);
  line-height: 1.25;
  text-transform: none;
  letter-spacing: 0.02em;
}

.meta-item {
  display: inline-flex;
  margin-top: 10px;
  padding: 4px 10px;
  border: 1px solid rgba(155, 209, 255, 0.18);
  border-radius: 999px;
  color: var(--azul-hielo);
  background: rgba(215, 236, 255, 0.06);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.aviso-js {
  max-width: 820px;
  margin: 18px auto;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(5, 14, 30, 0.92);
  color: var(--azul-hielo);
  text-align: center;
}

@media (max-width: 760px) {
  .barra-superior,
  .panel-superior {
    flex-direction: column;
  }

  .acciones-panel {
    justify-content: flex-start;
  }

  .contenedor-categorias,
  .contenedor-items {
    grid-template-columns: 1fr;
  }
}