/*
 * Vitrine dos projetos: moldura de navegador, capa dos cards, celular, vitrine animada (.ds-reel) e vídeo
 * ampliado (.ds-lb). Tudo pensado para a seção escura de Projetos: cantos retos, rótulos em mono, lima como
 * única cor de ação e a cor do site de cada projeto (--accent) só no brilho ao redor do vídeo.
 */

/* ─────────────────────────── Moldura de navegador ─────────────────────────── */

.ds-bframe {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0b0b0b;
  box-shadow: 0 28px 60px -34px rgba(0, 0, 0, 0.9);
}

.ds-bframe-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
  height: 30px;
  padding: 0 10px;
  background: #141414;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ds-bframe-dots {
  display: flex;
  flex: none;
  gap: 6px;

  & i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
  }
}

.ds-bframe-url {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 auto;
  min-width: 0;
  max-width: 360px;
  height: 20px;
  margin-inline: auto;
  padding: 0 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);

  & svg {
    flex: none;
    opacity: 0.7;
  }

  & span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 479px) {
  .ds-bframe-bar {
    height: 26px;
    gap: 8px;
    padding: 0 8px;
  }

  .ds-bframe-dots i {
    width: 6px;
    height: 6px;
  }

  .ds-bframe-url {
    height: 18px;
    font-size: 9px;
  }
}

/* ─────────────────────────── Capa dos cards ─────────────────────────── */

.ds-frame {
  --accent: var(--slash);
  position: relative;
  isolation: isolate;
  flex: none; /* o card é uma coluna flex: sem isto a capa encolhe e perde a proporção */
  margin-bottom: var(--sp-5);

  /* brilho na cor do site, só no card que está tocando */
  &::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 4% 6% 4%;
    background: radial-gradient(
      60% 70% at 50% 50%,
      color-mix(in srgb, var(--accent) 45%, transparent),
      transparent 72%
    );
    filter: blur(32px);
    opacity: 0;
    transition: opacity 0.7s var(--ease-out);
    pointer-events: none;
  }

  &[data-active="true"]::after {
    opacity: 0.5;
  }
}

.ds-frame-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0a0a center top / cover no-repeat;

  & > video,
  & > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transform-origin: top center;
    transition:
      transform 0.7s var(--ease-out),
      opacity 0.6s ease;
  }

  /* o poster já está de fundo: o vídeo entra em fade quando começa a tocar */
  & > video {
    opacity: 0;
  }

  & > video[data-ready="true"] {
    opacity: 1;
  }
}

@media (hover: hover) {
  .ds-card:hover .ds-frame-screen > video,
  .ds-card:hover .ds-frame-screen > img {
    transform: scale(1.02);
  }
}

.ds-frame-expand {
  position: absolute;
  inset: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;

  &:focus-visible {
    outline: 2px solid var(--slash);
    outline-offset: -4px;
  }
}

.ds-frame-chip {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--slash);
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 0.25s ease,
    transform 0.25s var(--ease-out);
  pointer-events: none;

  &::after {
    content: "↗";
  }
}

.ds-frame-expand:hover .ds-frame-chip,
.ds-frame-expand:focus-visible .ds-frame-chip {
  opacity: 1;
  transform: none;
}

/* pausa dos vídeos que tocam sozinhos (WCAG 2.2.2): alvo de toque de 44px, ícone de 28px */
.ds-frame-pause {
  position: absolute;
  left: 2px;
  bottom: 2px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  color: #fff;
  background: transparent;
  cursor: pointer;

  & svg {
    width: 28px;
    height: 28px;
    padding: 7px;
    fill: currentColor;
    background: rgba(5, 5, 5, 0.66);
    border: 1px solid rgba(255, 255, 255, 0.22);
    transition: background 0.2s ease;
  }

  &:hover svg {
    background: rgba(5, 5, 5, 0.9);
  }

  &:focus-visible {
    outline: 2px solid var(--slash);
    outline-offset: -4px;
  }
}

/* sem mouse não existe "passar por cima": o aviso fica sempre à vista */
@media (hover: none) {
  .ds-frame-chip {
    opacity: 1;
    transform: none;
  }
}

/* ─────────────────────────── Celular ─────────────────────────── */

.ds-phone {
  position: relative;
  flex: none;
  aspect-ratio: 390 / 844;
  padding: 7px;
  background: #111;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 30px;
  box-shadow:
    0 30px 60px -28px rgba(0, 0, 0, 0.9),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);

  &::before {
    content: "";
    position: absolute;
    z-index: 2;
    top: 11px;
    left: 50%;
    width: 24%;
    height: 4px;
    transform: translateX(-50%);
    border-radius: 4px;
    background: #000;
    opacity: 0.8;
  }
}

.ds-phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 24px;
  background: #0a0a0a center top / cover no-repeat;

  & > video {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
  }
}

/* ─────────────────────────── Vitrine animada ─────────────────────────── */

.ds-reel {
  --pin-h: calc(100svh - var(--site-header-height));
  position: relative;
  margin-top: var(--sp-16);
  /* a cena fica presa durante (soma dos pesos) alturas de tela de rolagem */
  height: calc(var(--pin-h) + var(--reel-sum, 1) * 100svh);
}

.ds-reel-pin {
  position: sticky;
  top: var(--site-header-height);
  height: var(--pin-h);
  overflow: clip;
}

.ds-reel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--sp-4);
  height: 100%;
  padding-block: var(--sp-4);
}

@media (min-width: 1024px) {
  .ds-reel-grid {
    grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    gap: var(--sp-10);
    padding-block: var(--sp-6);
  }
}

/* lista de projetos: faixa rolável na horizontal em telas pequenas, coluna no desktop */
.ds-reel-index {
  min-width: 0;

  & > ol {
    display: flex;
    gap: 8px;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
  }

  & > ol::-webkit-scrollbar {
    display: none;
  }

  & > ol > li > button {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 0 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.66);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition:
      color 0.25s ease,
      border-color 0.25s ease,
      background 0.25s ease;

    @media (hover: hover) {
      &:hover {
        color: #fff;
        border-color: rgba(255, 255, 255, 0.3);
      }
    }

    /* por dentro: a faixa rolável (overflow-x) cortaria o anel desenhado para fora */
    &:focus-visible {
      outline: 2px solid var(--slash);
      outline-offset: -4px;
    }

    &[aria-current="true"] {
      color: #fff;
      border-color: rgba(204, 255, 0, 0.55);
      background: rgba(204, 255, 0, 0.07);
    }
  }
}

.ds-reel-hint {
  display: none;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-bottom: var(--sp-5);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slash);
}

.ds-reel-hint-line {
  width: 24px;
  height: 1px;
  background: var(--slash);
}

.ds-reel-hint-sub {
  width: 100%;
  color: rgba(255, 255, 255, 0.5);
}

.ds-reel-num {
  color: var(--slash);
}

.ds-reel-name {
  display: none;
}

/* trechos do projeto em cena: só no desktop, onde sobra coluna; cada um leva ao ponto do vídeo */
.ds-reel-chapters {
  display: none;
  list-style: none;
  margin: 6px 0 10px 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);

  & button {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 32px;
    gap: 10px;
    padding: 0 12px;
    border: 0;
    background: transparent;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    text-align: left;

    & span {
      color: rgba(255, 255, 255, 0.5);
    }

    @media (hover: hover) {
      &:hover {
        color: #fff;
      }
    }

    &[aria-current="true"] {
      color: var(--slash);
      background: transparent;
      border: 0;

      & span {
        color: var(--slash);
      }
    }
  }
}

@media (min-width: 1024px) {
  .ds-reel-chapters {
    display: grid;
  }
}

@media (min-width: 1024px) and (pointer: coarse) {
  .ds-reel-chapters button {
    min-height: 44px;
  }
}

.ds-reel-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--slash);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
  opacity: 0;
}

.ds-reel-index > ol > li > button[aria-current="true"] .ds-reel-bar {
  opacity: 1;
}

@media (min-width: 640px) {
  .ds-reel-name {
    display: inline;
  }
}

@media (min-width: 1024px) {
  .ds-reel-hint {
    display: flex;
  }

  .ds-reel-index > ol {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .ds-reel-index > ol > li > button {
    width: 100%;
    gap: 14px;
    padding: 0 16px;
  }
}

.ds-reel-stage {
  position: relative;
  min-height: 0;
  /* o palco mede a si mesmo: o conjunto cresce até o limite da largura ou da altura que sobrar */
  container-type: size;
}

.ds-reel-layer {
  --accent: var(--slash);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.6s var(--ease-out),
    visibility 0s linear 0.5s;

  &[data-state="before"] {
    transform: translateY(-14px);
  }

  &[data-state="active"] {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }
}

/* aparelhos + legenda, um bloco só: a legenda tem sempre a mesma largura e o mesmo canto esquerdo do notebook */
.ds-reel-set {
  --caption-h: 13.75rem; /* reserva da legenda: título, trecho atual e botões */
  --gap: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  /* cabe na largura (com folga para o celular sobrepor) e na altura (legenda + barra de 30px + tela 16:10) */
  width: min(90cqw, calc((100cqh - var(--caption-h) - var(--gap) - 30px) * 1.6));
  min-width: min(100%, 320px);
}

.ds-reel-devices {
  position: relative;

  &::before {
    content: "";
    position: absolute;
    inset: -4% 0;
    z-index: -1;
    background: radial-gradient(
      55% 60% at 50% 50%,
      color-mix(in srgb, var(--accent) 42%, transparent),
      transparent 72%
    );
    filter: blur(44px);
    opacity: 0.45;
    pointer-events: none;
  }
}

.ds-reel-set {
  isolation: isolate;
}

.ds-reel-laptop {
  width: 100%;
}

.ds-reel-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0a0a center top / cover no-repeat;

  & > video {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
  }
}

.ds-reel-phone {
  position: absolute;
  right: -5%;
  bottom: -3%;
  width: 22%;
  min-width: 88px;
}

/* celular: o celular é o aparelho principal (o notebook some) e a legenda ocupa a largura toda */
@media (max-width: 639px) {
  .ds-reel-grid {
    /* respiro para o botão fixo de preferências de analytics, que ocupa o canto de baixo */
    padding-bottom: 68px;
  }

  .ds-reel-layer {
    align-items: stretch;
  }

  .ds-reel-set {
    --caption-h: 12.5rem;
    width: min(100cqw, 460px);
    height: 100%;
    margin-inline: auto;
    justify-content: space-between;
  }

  .ds-reel-devices {
    flex: 1 1 0;
    min-height: 0;
    display: flex;
    justify-content: center;
  }

  .ds-reel-laptop {
    display: none;
  }

  .ds-reel-phone {
    position: relative;
    inset: auto;
    width: auto;
    min-width: 0;
    height: 100%;
    max-width: 100%;
  }
}

.ds-reel-caption {
  flex: none;
  display: grid;
  gap: 6px;
  min-width: 0;
}

.ds-reel-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: #fff;
}

.ds-reel-sub {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.68);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ds-reel-chapter {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 4px;
  font-size: 13px;
  color: #fff;

  & strong {
    font-weight: 600;
  }
}

.ds-reel-chapter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slash);
}

.ds-reel-ticks {
  display: flex;
  gap: 4px;
  list-style: none;

  & li {
    width: 18px;
    height: 3px;
    background: rgba(255, 255, 255, 0.18);
    transition: background 0.3s ease;
  }

  & li[data-state="done"] {
    background: rgba(204, 255, 0, 0.5);
  }

  & li[data-state="now"] {
    background: var(--slash);
  }
}

.ds-reel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

.ds-reel-actions .ds-link-muted {
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
}

/* tela baixa (celular deitado, janela de desktop curta): a vitrine não cabe, e os cards já mostram os vídeos */
@media (max-height: 560px) {
  .ds-reel {
    display: none;
  }
}

/* desktop com pouca altura: a lista de projetos e os trechos têm de caber na altura do pin */
@media (min-width: 1024px) and (max-height: 700px) {
  .ds-reel-hint {
    display: none;
  }
}

@media (min-width: 1024px) and (max-height: 700px) and (pointer: fine) {
  .ds-reel-index > ol > li > button {
    min-height: 38px;
  }

  .ds-reel-chapters button {
    min-height: 28px;
  }
}

/* janela curta: sem o subtítulo a legenda cabe em menos altura e o notebook ganha tela */
@media (min-width: 640px) and (max-height: 700px) {
  .ds-reel-set {
    --caption-h: 10.5rem;
  }

  .ds-reel-sub {
    display: none;
  }
}

/* celular: o subtítulo sai para o aparelho ter mais tela, e o contador "02/05" já faz o papel dos tiques */
@media (max-width: 639px) {
  .ds-reel-sub,
  .ds-reel-ticks {
    display: none;
  }
}

/* celular baixo demais: o aparelho ficaria uma cápsula ilegível */
@media (max-width: 639px) and (max-height: 600px) {
  .ds-reel {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ds-reel {
    display: none;
  }
}

/* sem JavaScript a vitrine nunca monta: o espaço reservado por ela some */
@media (scripting: none) {
  .ds-reel-placeholder {
    display: none;
  }
}

/* ─────────────────────────── Vídeo ampliado ─────────────────────────── */

html.ds-lb-open {
  overflow: hidden;
  /* a barra de rolagem clássica some junto: devolve o espaço dela para a página não pular */
  padding-right: var(--ds-scrollbar, 0px);
}

.ds-lb {
  --accent: var(--slash);
  color-scheme: dark;
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: clamp(12px, 3vw, 32px);
  border: 0;
  color: #fff;
  background: rgba(5, 5, 5, 0.88);
  backdrop-filter: blur(8px);
  overscroll-behavior: contain;

  &[open] {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: ds-lb-in 0.28s var(--ease-out);
  }

  &::backdrop {
    background: transparent;
  }
}

@keyframes ds-lb-in {
  from {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ds-lb[open] {
    animation: none;
  }
}

.ds-lb-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  width: min(1180px, 100%);
  height: min(100%, 900px);
  min-height: 0;
  padding: clamp(14px, 2.4vw, 24px);
  overflow: auto;
  background: #0c0c0c;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 120px -30px color-mix(in srgb, var(--accent) 55%, transparent);
}

.ds-lb-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
}

.ds-lb-heading {
  flex: 1 1 200px;
  min-width: 0;
}

.ds-lb-count {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--slash);
}

.ds-lb-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.ds-lb-toggle {
  display: inline-flex;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);

  & button {
    min-height: 44px;
    padding: 0 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    border: 0;
    cursor: pointer;
    transition:
      background 0.2s ease,
      color 0.2s ease;

    &[aria-pressed="true"] {
      color: var(--ink);
      background: var(--slash);
    }

    &:focus-visible {
      outline: 2px solid var(--slash);
      outline-offset: -3px;
    }
  }
}

.ds-lb-nav {
  display: flex;
  gap: 6px;

  & button {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.16);
    cursor: pointer;
    transition: border-color 0.2s ease;

    @media (hover: hover) {
      &:hover:not(:disabled) {
        border-color: rgba(255, 255, 255, 0.5);
      }
    }

    &:disabled {
      opacity: 0.3;
      cursor: default;
    }

    &:focus-visible {
      outline: 2px solid var(--slash);
      outline-offset: 2px;
    }

    & svg {
      width: 16px;
      height: 16px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.6;
    }
  }
}

/* o palco mede a si mesmo: o aparelho cresce até o limite da largura ou da altura que sobrar */
.ds-lb-stage {
  flex: 1 1 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  container-type: size;
}

.ds-lb-frame {
  width: min(100cqw, calc((100cqh - 30px) * 1.6));
}

.ds-lb-screen {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0a0a center top / cover no-repeat;
}

.ds-lb-video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.ds-lb-phone {
  height: min(100cqh, calc(100cqw * 844 / 390));
}

.ds-lb-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.ds-lb-play {
  display: grid;
  flex: none;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  background: var(--slash);
  border: 0;
  cursor: pointer;

  &:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  & svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
  }
}

.ds-lb-time {
  flex: none;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.7);
}

.ds-lb-range {
  flex: 1 1 auto;
  min-width: 0;
  height: 44px;
  margin: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;

  &::-webkit-slider-runnable-track {
    height: 3px;
    background: rgba(255, 255, 255, 0.22);
  }

  &::-moz-range-track {
    height: 3px;
    background: rgba(255, 255, 255, 0.22);
  }

  &::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    margin-top: -5.5px;
    border: 0;
    border-radius: 0;
    background: var(--slash);
  }

  &::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border: 0;
    border-radius: 0;
    background: var(--slash);
  }

  &:focus-visible {
    outline: 2px solid var(--slash);
    outline-offset: 2px;
  }
}

.ds-lb-chapters {
  display: flex;
  flex: none; /* é filha de coluna flex: sem isto a fileira rolável encolhe a quase nada em celular baixo */
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;

  & button {
    min-height: 36px;
    padding: 0 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.14);
    cursor: pointer;
    transition:
      color 0.2s ease,
      border-color 0.2s ease;

    & span {
      color: var(--slash);
    }

    @media (hover: hover) {
      &:hover {
        color: #fff;
        border-color: rgba(255, 255, 255, 0.4);
      }
    }

    &[aria-current="true"] {
      color: #fff;
      border-color: var(--slash);
    }

    &:focus-visible {
      outline: 2px solid var(--slash);
      outline-offset: -4px;
    }
  }
}

@media (pointer: coarse) {
  .ds-lb-chapters button {
    min-height: 44px;
  }
}

.ds-lb-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);

  & .ds-link-muted {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.18);
  }
}

@media (max-width: 639px) {
  .ds-lb {
    padding: 0;
  }

  .ds-lb-panel {
    width: 100%;
    height: 100%;
    border: 0;
  }

  .ds-lb-chapters {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .ds-lb-chapters::-webkit-scrollbar {
    display: none;
  }

  .ds-lb-time {
    display: none;
  }
}

/* telas muito estreitas: nome, versão e setas não cabem na mesma linha; o alternador de versão ocupa uma só */
@media (max-width: 389px) {
  .ds-lb-panel {
    gap: var(--sp-3);
  }

  .ds-lb-heading {
    flex-basis: 0;
  }

  .ds-lb-toggle {
    order: 3;
    flex: 1 1 100%;
  }

  .ds-lb-toggle button {
    flex: 1;
  }
}

/* celular deitado: vídeo grande ao lado, controles em coluna (empilhado, o vídeo ficava com 200px de altura) */
@media (max-height: 520px) and (min-width: 640px) {
  .ds-lb {
    padding: 0;
  }

  .ds-lb-panel {
    display: grid;
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    grid-template-areas:
      "head stage"
      "ctrl stage"
      "chap stage"
      "links stage";
    gap: var(--sp-3) var(--sp-4);
    width: 100%;
    height: 100%;
    border: 0;
  }

  .ds-lb-head {
    grid-area: head;
  }

  .ds-lb-controls {
    grid-area: ctrl;
  }

  .ds-lb-chapters {
    grid-area: chap;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .ds-lb-chapters::-webkit-scrollbar {
    display: none;
  }

  .ds-lb-links {
    grid-area: links;
  }

  .ds-lb-stage {
    grid-area: stage;
    min-height: 0;
  }
}