/* PR-VIBECURB-04 — descoberta do índice e orientação contextual. */

:root {
  --vb-rail-collapsed: 74px;
  --vb-rail-expanded: 286px;
}

.vb-menu-button__folio,
.vb-menu-button__action {
  display: none;
}

@media (min-width: 1051px) {
  .vb-rail {
    width: var(--vb-rail-collapsed);
    padding: .8rem .55rem 1.2rem;
    overflow: hidden;
    transition: width .24s cubic-bezier(.2, .8, .2, 1), box-shadow .24s ease;
  }

  .vb-rail:hover,
  .vb-rail:focus-within,
  .vb-rail.is-pinned {
    width: var(--vb-rail-expanded);
    box-shadow: 18px 0 42px rgba(12, 23, 21, .16);
  }

  .vb-rail__head {
    display: grid;
    gap: .55rem;
  }

  .vb-rail__edition {
    margin: 0;
    padding-inline: .35rem;
    white-space: nowrap;
  }

  .vb-rail__toggle {
    width: 100%;
    min-height: 42px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: .5rem;
    padding: .55rem .45rem;
    border: 1px solid rgba(12, 23, 21, .22);
    background: rgba(251, 248, 239, .56);
    color: var(--vb-ink);
    text-align: left;
    cursor: pointer;
  }

  .vb-rail__toggle-label {
    font-size: .64rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .vb-rail__toggle-icon {
    font-size: 1rem;
    line-height: 1;
    transition: transform .2s ease;
  }

  .vb-rail:hover .vb-rail__toggle-icon,
  .vb-rail:focus-within .vb-rail__toggle-icon,
  .vb-rail.is-pinned .vb-rail__toggle-icon {
    transform: rotate(180deg);
  }

  .vb-rail nav {
    margin-top: .75rem;
    gap: .18rem;
  }

  .vb-rail a {
    min-height: 40px;
    grid-template-columns: 40px minmax(0, 1fr);
    align-items: center;
    gap: .55rem;
    padding: .42rem .35rem;
    white-space: nowrap;
  }

  .vb-rail__number {
    font-size: .6rem !important;
    letter-spacing: .1em;
  }

  .vb-rail__label {
    min-width: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-6px);
    font-size: .7rem;
    text-overflow: ellipsis;
    transition: opacity .16s ease, transform .2s ease;
  }

  .vb-rail:hover .vb-rail__label,
  .vb-rail:focus-within .vb-rail__label,
  .vb-rail.is-pinned .vb-rail__label {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 1080px) {
  body.vb-page {
    padding-top: var(--vb-header-h, 64px);
  }

  .vb-header {
    position: fixed;
    inset: 0 0 auto;
    width: 100%;
    height: var(--vb-header-h, 64px);
    z-index: 120;
    transform: none !important;
  }

  .vb-rail {
    display: none !important;
  }

  main,
  .vb-footer {
    margin-left: 0;
  }

  .vb-menu-button {
    width: min(186px, 48vw);
    min-height: 48px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    place-items: initial;
    align-items: center;
    gap: .65rem;
    padding: .35rem .48rem .35rem .65rem;
    border-radius: 0;
    text-align: left;
  }

  .vb-menu-button__folio {
    min-width: 0;
    display: grid;
    gap: .02rem;
  }

  .vb-menu-button__folio small {
    color: var(--vb-teal-bright);
    font-size: .54rem;
    font-weight: 700;
    letter-spacing: .12em;
    line-height: 1.1;
    text-transform: uppercase;
  }

  .vb-menu-button__folio strong {
    min-width: 0;
    overflow: hidden;
    color: var(--vb-paper);
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .06em;
    line-height: 1.2;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .vb-menu-button__action {
    min-height: 34px;
    display: flex;
    align-items: center;
    gap: .35rem;
    padding-left: .55rem;
    border-left: 1px solid rgba(242, 236, 221, .25);
  }

  .vb-menu-button__action span {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
  }

  .vb-menu-button__action i {
    font-size: .95rem;
    font-style: normal;
    line-height: 1;
  }

  .vb-nav.vb-nav--mobile-portal {
    position: fixed;
    top: calc(var(--vb-header-h, 76px) + 12px);
    right: max(1rem, env(safe-area-inset-right));
    left: max(1rem, env(safe-area-inset-left));
    z-index: 110;
    max-height: calc(100dvh - var(--vb-header-h, 76px) - 28px);
    margin: 0;
    padding: .8rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    border: 1px solid rgba(242, 236, 221, .22);
    background: rgba(12, 23, 21, .98);
    box-shadow: 0 24px 64px rgba(0, 0, 0, .34);
    backdrop-filter: blur(18px);
    flex-direction: column;
    align-items: stretch;
    gap: .15rem;
  }

  .vb-nav.vb-nav--mobile-portal.is-open {
    display: flex;
  }

  .vb-nav.vb-nav--mobile-portal a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: .72rem .78rem;
    border-bottom: 1px solid rgba(242, 236, 221, .12);
    color: var(--vb-paper);
    font-size: .82rem;
    letter-spacing: .035em;
  }

  .vb-nav.vb-nav--mobile-portal a.is-active {
    border-color: var(--vb-teal);
    background: rgba(34, 183, 173, .12);
    color: var(--vb-teal-bright);
  }

  .vb-nav.vb-nav--mobile-portal .vb-nav__access {
    margin-top: .35rem;
    border: 1px solid rgba(242, 236, 221, .22);
  }

  .vb-nav.vb-nav--mobile-portal .vb-button {
    width: 100%;
    margin-top: .45rem;
    border-bottom: 1px solid var(--vb-teal);
    color: var(--vb-ink);
  }

  .vb-menu-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 100;
    border: 0;
    background: rgba(0, 0, 0, .48);
  }
}

@media (max-width: 420px) {
  .vb-menu-button {
    width: min(172px, 49vw);
    gap: .45rem;
    padding-inline: .5rem .42rem;
  }

  .vb-menu-button__action span {
    font-size: .56rem;
  }

  .vb-nav.vb-nav--mobile-portal {
    top: calc(var(--vb-header-h, 76px) + 6px);
    right: .65rem;
    left: .65rem;
    max-height: calc(100dvh - var(--vb-header-h, 76px) - 18px);
  }
}

@media (max-height: 520px) and (max-width: 1080px) {
  .vb-nav.vb-nav--mobile-portal {
    top: calc(var(--vb-header-h, 76px) + 4px);
    max-height: calc(100dvh - var(--vb-header-h, 76px) - 10px);
    padding: .5rem;
  }

  .vb-nav.vb-nav--mobile-portal a {
    min-height: 38px;
    padding-block: .48rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vb-rail,
  .vb-rail__label,
  .vb-rail__toggle-icon {
    transition: none;
  }
}