/* Navbar compartido, desplegable de exploración y menú de usuario. */

@layer components {
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    -webkit-backdrop-filter: blur(0) contrast(1) saturate(1);
    backdrop-filter: blur(0) contrast(1) saturate(1);
    z-index: var(--z-navbar);
    transition:
      background-color 0.5s ease-out,
      border-color 0.5s ease-out,
      -webkit-backdrop-filter 0.5s ease-out,
      backdrop-filter 0.5s ease-out,
      padding 0.3s ease;
  }

  .navbar--scrolled {
    background-color: color-mix(
      in srgb,
      var(--color-background) 40%,
      transparent
    );
    border-bottom-color: color-mix(
      in srgb,
      var(--color-text) 5%,
      transparent
    );
    -webkit-backdrop-filter: blur(12px) contrast(1.25) saturate(1.5);
    backdrop-filter: blur(12px) contrast(1.25) saturate(1.5);
    padding: 0.5rem 2rem;
  }

  .navbar__brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.25rem 0;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  }

  .navbar--scrolled .navbar__brand {
    opacity: 1;
    transform: translateY(0);
  }

  .navbar__logo {
    width: auto;
    height: 64px;
    object-fit: contain;
  }

  .navbar__links {
    background-color: transparent;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .navbar__links--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navbar__link:not(.button) {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  .navbar__link:not(.button):hover,
  .navbar__link--active:not(.button) {
    background-color: var(--color-text);
    color: var(--color-text-inverse);
  }

  /* Placeholder que reemplaza navbar.js por el menú del avatar. Arranca oculto
     para no parpadear el "Acceder" plano mientras se resuelve la sesión; si el
     JS falla antes de reemplazarlo, navbar.js lo revela como respaldo. */
  #accessBtn {
    visibility: hidden;
  }

  .navbar__brand:focus-visible,
  .navbar__link:not(.button):focus-visible,
  .navbar__toggle:not(.button):focus-visible,
  .floating-menu__link:not(.button):focus-visible,
  .nav-menu__toggle:not(.button):focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-ring-offset);
  }

  .navbar__toggle {
    position: absolute;
    top: 1rem;
    inset-inline-end: 1.5rem;
    display: none;
    color: var(--color-text);
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: var(--z-mobile-toggle);
  }

  .nav-menu {
    position: relative;
    display: inline-block;
    margin-inline-start: 0.75rem;
    vertical-align: middle;
  }

  .nav-menu__toggle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 2.5rem;
    block-size: 2.5rem;
    border: var(--border-subtle);
    border-radius: var(--radius-pill);
    background-color: var(--color-field);
    cursor: pointer;
    transition:
      transform 0.25s ease,
      box-shadow 0.25s ease;
  }

  /* El isotipo vive en un pseudo-elemento propio (sin fondo opaco detrás) para
     que el drop-shadow siga el contorno del ícono, no el del círculo. */
  .nav-menu__toggle::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("../../../assets/images/isotipo.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 78%;
    filter: drop-shadow(
      0 0 3px color-mix(in srgb, var(--color-accent) 85%, transparent)
    );
    pointer-events: none;
  }

  @keyframes nav-menu-pulse {
    0%,
    100% {
      transform: scale(1);
      box-shadow: 0 0 10px
        color-mix(in srgb, var(--color-accent) 45%, transparent);
    }

    50% {
      transform: scale(1.08);
      box-shadow: 0 0 28px 4px
        color-mix(in srgb, var(--color-accent) 95%, transparent);
    }
  }

  .nav-menu__toggle--pulsing {
    /* El pulso se corta con `animation: none` al hacer hover/abrir (regla de
       abajo) para que este `scale` nunca corra a la vez que el `scale(1.18)`
       del hover. Si se quita ese corte, hay que resolver el choque de transforms. */
    animation: nav-menu-pulse 1.8s ease-in-out infinite;
  }

  .nav-menu__toggle:hover,
  .nav-menu--open .nav-menu__toggle {
    transform: scale(1.18);
    box-shadow: 0 0 20px 2px
      color-mix(in srgb, var(--color-accent) 75%, transparent);
    animation: none;
  }

  @media (prefers-reduced-motion: reduce) {
    .nav-menu__toggle {
      transition: none;
    }

    .nav-menu__toggle--pulsing {
      animation: none;
    }

    .nav-menu__toggle:hover,
    .nav-menu--open .nav-menu__toggle {
      transform: none;
    }
  }

  .nav-menu__list {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 150px;
    margin-top: 8px;
  }

  .nav-menu__header {
    padding: 10px 14px 8px;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
  }

  .nav-menu__divider {
    margin: 4px 8px;
    border: none;
    border-top: var(--border-subtle);
  }

  .nav-menu--open .nav-menu__list {
    display: flex;
  }

  .nav-menu__link--cta {
    color: var(--color-background);
    background-color: var(--color-accent);
    font-weight: 700;
  }

  .nav-menu__link--cta:hover {
    color: var(--color-background);
    background-color: var(--color-accent);
    box-shadow: 0 0 12px
      color-mix(in srgb, var(--color-accent) 60%, transparent);
  }

  .nav-menu__link--disabled {
    padding: 10px 14px;
    color: var(--color-text-muted);
    opacity: 0.55;
    cursor: default;
    user-select: none;
  }

  @media (max-width: 760px) {
    .navbar {
      flex-wrap: wrap;
    }

    .navbar__toggle {
      display: block;
    }

    .navbar__links {
      position: absolute;
      top: 100%;
      inset-inline-end: 1rem;
      display: none;
      flex-direction: column;
      gap: 0.5rem;
      width: max-content;
      max-inline-size: calc(100vw - 2rem);
      padding: 0.5rem 1rem;
      background-color: color-mix(
        in srgb,
        var(--color-background) 90%,
        transparent
      );
      border-radius: var(--radius-button);
      z-index: var(--z-mobile-menu);
    }

    .navbar__links > * {
      min-inline-size: 0;
      overflow-wrap: anywhere;
    }

    .nav-menu {
      margin-inline-start: 0;
    }

    .navbar__links--mobile-open {
      display: flex;
    }

    .navbar__links--simple.navbar__links--visible {
      position: static;
      display: flex;
      width: auto;
      padding: 0;
      background: none;
    }
  }

  @media (max-width: 360px) {
    .navbar__brand {
      flex: 1 1 auto;
      min-inline-size: 0;
    }

    .navbar__logo {
      max-inline-size: 100%;
      height: auto;
      max-block-size: 64px;
    }

    .navbar__links--simple {
      flex: 0 1 auto;
      min-inline-size: 0;
    }
  }
}