/* ============================================================
   NOXIS — components.css
   Componentes reutilizables: header, loader, tarjetas, etc.
   ============================================================ */

/* ---------- Loader inicial ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: var(--bg);
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__mark {
  display: flex;
  gap: 8px;
}

.loader__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: dot-pulse 1.2s var(--ease) infinite;
}
.loader__dot:nth-child(2) { animation-delay: 0.15s; }
.loader__dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes dot-pulse {
  0%, 100% { transform: scale(0.6); opacity: 0.4; }
  50%      { transform: scale(1);   opacity: 1; }
}

.loader__text {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---------- Navegación superior ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: linear-gradient(180deg, rgba(5, 6, 10, 0.82), rgba(5, 6, 10, 0.62));
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.6vw, 32px);
  height: var(--nav-h);
}

/* Marca */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand__icon {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.brand__icon img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.24em;
  font-size: 0.94rem;
  color: var(--text);
}

/* Enlaces */
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-left: 2px;
  flex-shrink: 0;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  position: relative;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav__link:hover {
  color: var(--text);
  background: rgba(148, 163, 184, 0.07);
}

.nav__link.is-active {
  color: var(--text);
}

.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
}

/* Buscador */
.nav__search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 1;
  min-width: 0;
  max-width: 320px;
  margin-left: auto;
  padding: 7px 13px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.nav__search:focus-within {
  border-color: rgba(110, 168, 255, 0.35);
  background: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.nav__search-icon {
  color: var(--text-faint);
  flex-shrink: 0;
}

.nav__search input {
  width: 100%;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 0.88rem;
}

.nav__search input::placeholder {
  color: var(--text-faint);
}

/* ---------- Sugerencias del buscador ---------- */
.search-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: auto;
  width: 340px;
  max-width: calc(100vw - 32px);
  z-index: 60;
  overflow: hidden;
  padding: 5px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow-lift);
}

.search-suggest__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 5px 7px;
  border-radius: 8px;
  text-align: left;
  transition: background var(--dur) var(--ease);
}

.search-suggest__item + .search-suggest__item {
  margin-top: 1px;
}

.search-suggest__item:hover,
.search-suggest__item:focus-visible {
  background: rgba(59, 130, 246, 0.08);
}

.search-suggest__thumb {
  flex-shrink: 0;
  width: 28px;
  height: 38px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}

.search-suggest__name {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Cuenta (reservada) */
.nav__account {
  flex-shrink: 0;
}

.nav__account-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.025);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.nav__account-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.nav__account-btn:disabled {
  cursor: not-allowed;
}

/* ---------- Tarjetas de juegos ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Mensaje cuando una búsqueda no arroja resultados. */
.cards-empty {
  grid-column: 1 / -1;
  padding: 40px 8px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
}

.game-card {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  isolation: isolate;
  transform: translateZ(0);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

/* Hover sutil: solo en dispositivos con soporte real de hover.
   Evita el estado "pegado" tras un tap en pantallas táctiles. */
@media (hover: hover) {
  .game-card:hover {
    transform: translate3d(0, -3px, 0);
    border-color: rgba(110, 168, 255, 0.28);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(110, 168, 255, 0.12);
  }
}

.game-card__cover {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: calc(var(--radius-md) - 1px);
  background: var(--bg-elev);
  transform: translateZ(0);
}

/* Esqueleto de carga: se muestra hasta que la portada pinta encima. */
.game-card__cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0) 22%,
    rgba(255, 255, 255, 0.045) 42%,
    rgba(255, 255, 255, 0) 62%
  );
  background-size: 220% 100%;
  animation: cover-shimmer 1.5s linear infinite;
}

@keyframes cover-shimmer {
  to { background-position: -220% 0; }
}

.game-card__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transform: scale(1.015) translateZ(0);
  transform-origin: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  filter: saturate(0.94) contrast(1.02);
  transition: transform 0.5s var(--ease), filter 0.34s var(--ease);
}

@media (hover: hover) {
  .game-card:hover .game-card__img {
    transform: scale(1.035) translateZ(0);
    filter: saturate(0.94) contrast(1.02) brightness(1.04);
  }
}

/* Degradado + contenido sobre la imagen.
   Padding inferior ligeramente mayor para que el texto respire. */
.game-card__body {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px 16px 18px;
  background: var(--grad-card);
}

/* Degradado superior sutil para profundidad */
.game-card__body::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-card-top);
  pointer-events: none;
}

/* Título: elemento protagonista de la información.
   Color blanco, display, jerarquía clara. */
.game-card__title {
  position: relative;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--text);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.7);
  max-width: 18ch;
  margin-bottom: 4px;
}

/* Metadata: una sola línea discreta debajo del título.
   Sin uppercase ni tracking agresivo: lectura natural. */
.game-card__meta {
  position: relative;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-dim);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}

/* Línea secundaria adicional (usada por Explore; el Home ya no la renderiza).
   Se mantienen las reglas base para no afectar esa vista. */
.game-card__sub {
  position: relative;
  margin-top: 4px;
  font-size: 0.76rem;
  letter-spacing: 0.01em;
  color: rgba(240, 244, 252, 0.78);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}

/* Chip con el tamaño real del juego, sobre la portada (Home y Explorar).
   Aporta un dato extra en la vista previa sin necesidad de abrir la ficha. */
.game-card__size {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  padding: 3px 9px;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--text);
  background: rgba(8, 10, 16, 0.66);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  white-space: nowrap;
}

/* Aparición progresiva de tarjetas */
.game-card {
  opacity: 0;
  transform: translate3d(0, 14px, 0);
}

.game-card.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease),
              box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  /* Aparición escalonada según la posición de la tarjeta en su fila. */
  transition-delay: calc(var(--i, 0) * 45ms);
}
@media (hover: hover) {
  .game-card.is-visible:hover {
    transform: translate3d(0, -3px, 0);
    transition-delay: 0s;
  }
}

/* ---------- Backdrop para transición entre vistas ---------- */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--bg);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
  pointer-events: none;
}

.backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- Volver arriba ---------- */
.back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 80;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(11, 13, 18, 0.86);
  color: var(--text-dim);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
              color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  color: var(--text);
  border-color: rgba(110, 168, 255, 0.4);
}

/* ---------- Responsive ---------- */

/* Header en móvil: dos filas deterministas.
   Fila 1: marca + cuenta | Fila 2: enlaces + buscador.
   Evita el desbordamiento horizontal del nav y la fragmentación
   de los enlaces cuando el ancho no alcanza. */
@media (max-width: 768px) {
  .site-header { height: auto; }

  .nav {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "brand  account"
      "links  search";
    align-items: center;
    row-gap: 12px;
    column-gap: 14px;
    height: auto;
    padding-block: 10px;
  }

  .brand { grid-area: brand; }
  .nav__account { grid-area: account; justify-self: end; }
  .nav__links { grid-area: links; }
  .nav__search {
    grid-area: search;
    max-width: none;
    margin-left: 0;
  }

  /* El panel de sugerencias se alinea al borde derecho para
     no desbordar la pantalla en anchos reducidos. */
  .search-suggest {
    left: auto;
    right: 0;
  }
}

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

@media (max-width: 480px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .game-card__body { padding: 12px; }
  .game-card__title { font-size: 0.9rem; }
  .game-card__size { top: 8px; right: 8px; font-size: 0.64rem; padding: 2px 7px; }
}

/* ===== Footer / aviso legal ===== */
.site-footer {
  margin-top: 56px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 0.8rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__copy {
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-footer__legal {
  max-width: 72ch;
  line-height: 1.55;
}

@media (max-width: 480px) {
  .site-footer { margin-top: 40px; padding: 24px 0 32px; font-size: 0.74rem; }
}