/* Página /studio/: quadro de ramos no estilo do canvas do Studio (apps/app/src/studio-helios) e o vídeo no feed.
   O quadro segue o tema pelos tokens --ui-* do clipador.css (escuro como o canvas real: fundo #0a0a0b com pontos,
   nó #131316); rótulo acima em caixa alta, cabo do nó de imagem (#818cf8) para a entrada de referência (#fb923c), doca do prompt #121115.
   Sem JS ou com movimento reduzido, tudo aparece no estado final; o JS (studio-page.js) só esconde para animar. */
.sb { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 28px; align-items: start; }
.sb-board { margin: 0; overflow: hidden; border: 1px solid var(--ui-line-2); border-radius: 18px; background: var(--ui-bg); color: var(--ui-ink); box-shadow: 0 40px 80px -48px var(--shadow); }
.sb-top { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 14px; border-bottom: 1px solid var(--ui-line); background: var(--ui-panel); font-size: 12.5px; }
.sb-top b { font-weight: 600; }
.sb-dots { display: flex; gap: 5px; }
.sb-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--ui-line-2); }
.sb-tag { padding: 3px 8px; border: 1px solid rgb(122 90 240 / 30%); border-radius: 999px; color: var(--ui-accent); background: rgb(122 90 240 / 10%); font-size: 10.5px; font-weight: 600; }
.sb-count { margin-left: auto; color: var(--ui-mute); font: 500 11px var(--mono); }
.sb-replay { padding: 5px 10px; border: 1px solid var(--ui-line-2); border-radius: 999px; color: var(--ui-ink); background: var(--ui-panel-2); font: 600 11px var(--body); cursor: pointer; }
.sb-replay:hover, .sb-replay:focus-visible { color: var(--ui-on); border-color: #7a5af0; outline: none; }
.sb-replay[hidden] { display: none; }

.sb-canvas { --flow: down; position: relative; display: grid; justify-items: center; padding: 40px 22px 26px; background: radial-gradient(rgb(136 136 136 / 26%) 1.2px, transparent 1.5px) 0 0 / 28px 28px, var(--ui-bg); }
.sb-wires { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.sb-wires path { fill: none; stroke-width: 2.5; stroke-linecap: round; }
.sb-wires .is-drag { stroke-dasharray: 6 6; }

.sb-node { position: relative; min-width: 0; }
.sb-label { position: absolute; top: -20px; left: 2px; color: var(--ui-mute); font-size: 10.5px; font-weight: 500; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }
.sb-media { position: relative; overflow: hidden; aspect-ratio: 4 / 5; border-radius: 8px; background: #2d2a35; box-shadow: 0 2px 16px var(--ui-shadow); }
.sb-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; transition: opacity .45s ease; }
.sb-src { width: 168px; margin-bottom: 92px; }
.sb-src .sb-media { background: #fff; }
.sb-src .sb-media img { object-fit: contain; object-position: 50% 50%; }

.sb-handle { position: absolute; z-index: 3; width: 22px; height: 22px; border: 1.5px solid var(--ui-line-2); border-radius: 50%; background: var(--ui-panel); translate: -50% -50%; transition: border-color .2s ease, scale .15s ease, box-shadow .2s ease; }
.sb-handle::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; background: currentColor; opacity: .9; }
.sb-out { left: 50%; top: 100%; color: #818cf8; border-color: #818cf8; }
.sb-in { left: 50%; top: 0; color: #fb923c; border-color: #fb923c; }
.sb-handle.is-hot { scale: 1.25; box-shadow: 0 0 0 6px rgb(129 140 248 / 18%); }

.sb-branches { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; width: 100%; padding: 0; margin: 0; list-style: none; }
.sb-gen { display: grid; gap: 8px; align-content: start; transition: opacity .28s ease, transform .28s var(--ease-spring, ease); }
.sb-gen .sb-media::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgb(122 90 240 / 22%) 50%, transparent 70%) 0 0 / 250% 100%; opacity: 0; }
.sb-pill { position: absolute; z-index: 2; top: 8px; left: 8px; display: none; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 999px; color: #a58bff; background: rgb(0 0 0 / 55%); font-size: 11px; font-weight: 500; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.sb-pill i { width: 9px; height: 9px; border: 1.5px solid currentColor; border-right-color: transparent; border-radius: 50%; }
.sb-play { position: absolute; z-index: 2; right: 8px; bottom: 8px; padding: 3px 8px; border-radius: 999px; color: #fff; background: rgb(0 0 0 / 55%); font: 600 10.5px var(--mono); }

.sb-dock { display: grid; gap: 8px; padding: 8px; border: 1px solid var(--ui-line-2); border-radius: 12px; background: var(--ui-panel); box-shadow: 0 10px 30px var(--ui-shadow); }
.sb-prompt { min-height: calc(4.35em + 14px); margin: 0; padding: 7px 9px; border-radius: 7px; background: var(--ui-bg); color: var(--ui-ink); font-size: 12.5px; line-height: 1.45; }
.sb-prompt [data-sb-type].is-typing::after { content: ""; display: inline-block; width: 1.5px; height: 1.05em; margin-left: 1px; vertical-align: -2px; background: currentColor; animation: sb-caret .8s steps(1) infinite; }
.sb-pills { display: flex; align-items: center; gap: 5px; }
.sb-pills span { padding: 3px 8px; border-radius: 999px; color: var(--ui-mute); background: var(--ui-tint); font-size: 10.5px; }
.sb-pills .sb-go { display: grid; place-items: center; width: 24px; height: 24px; margin-left: auto; padding: 0; color: #fff; background: #7a5af0; transition: scale .15s ease, filter .15s ease; }
.sb-go svg { width: 13px; height: 13px; }
.sb-go.is-press, .sb-handle.is-press { scale: .86; }

.sb-cursor { position: absolute; z-index: 9; top: 0; left: 0; width: 20px; height: 22px; opacity: 0; pointer-events: none; transition: opacity .2s ease; will-change: transform; }
.sb-cursor svg { display: block; width: 100%; height: 100%; filter: drop-shadow(0 2px 3px rgb(0 0 0 / 60%)); transition: scale .12s ease; transform-origin: 3px 2px; }
.sb-cursor.is-on { opacity: 1; }
.sb-cursor.is-down svg { scale: .85; }
.sb-cap { margin: 0; padding: 12px 16px 14px; border-top: 1px solid var(--ui-line); color: var(--ui-mute); background: var(--ui-panel); font-size: 12.5px; line-height: 1.5; }

/* Estados da animação: só existem com .is-run, que o JS liga quando vai animar. */
.sb.is-run .sb-gen.is-wait { opacity: 0; transform: scale(.94); }
.sb.is-run .sb-gen:not(.is-done) .sb-media img, .sb.is-run .sb-gen:not(.is-done) .sb-play { opacity: 0; }
.sb.is-run .sb-gen:not(.is-done) .sb-in { border-color: var(--ui-line-2); color: var(--ui-line-2); }
.sb.is-run .sb-gen.is-busy .sb-pill { display: inline-flex; }
.sb.is-run .sb-gen.is-busy .sb-media::before { opacity: 1; animation: sb-shimmer 1.1s linear infinite; }
.sb.is-run .sb-gen.is-busy .sb-pill i { animation: sb-spin .7s linear infinite; }
.sb-feed { display: grid; gap: 12px; justify-items: center; }
.sb-feed .phone { max-width: 250px; transition: opacity .5s ease, filter .5s ease; }
.sb-feed .fine { max-width: 250px; margin: 0; text-align: center; }
.sb.is-run:not(.is-end) .sb-feed .phone { opacity: .35; filter: grayscale(.7); }

@keyframes sb-caret { 50% { opacity: 0; } }
@keyframes sb-shimmer { from { background-position: 100% 0; } to { background-position: -150% 0; } }
@keyframes sb-spin { to { rotate: 360deg; } }

@media (max-width: 1040px) {
  .sb { grid-template-columns: minmax(0, 1fr); }
}

/* Celular: os ramos empilham; cabos saem da lateral esquerda da foto e entram pela esquerda de cada nó. */
@media (max-width: 640px) {
  .sb-canvas { --flow: side; justify-items: stretch; padding: 38px 14px 22px 46px; }
  .sb-src { width: 150px; margin-bottom: 40px; }
  .sb-out { left: 0; top: 50%; }
  .sb-branches { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .sb-gen { grid-template-columns: 104px minmax(0, 1fr); gap: 10px; align-items: start; }
  .sb-in { left: 0; top: 65px; }
  .sb-prompt { min-height: 0; font-size: 13px; }
  .sb-dock { align-self: stretch; align-content: space-between; }
  .sb-count { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .sb-cursor { display: none; }
  .sb-gen, .sb-media img, .sb-feed .phone { transition: none; }
}

/* Quadro 2: a imagem vira vídeo. Como o VideoGeneratorNode: entradas de texto e de quadro inicial (#7a5af0)
   à esquerda, doca com duração e proporção, selo "Gerando…" e barra do player no rodapé do vídeo. */
.sv { display: grid; gap: 22px; margin-top: 56px; }
.sv-head { display: grid; gap: 8px; max-width: 640px; }
.sv-head h3 { margin: 0; font-size: clamp(22px, 2.4vw, 28px); line-height: 1.15; letter-spacing: -.02em; }
.sv-head p { margin: 0; color: var(--muted); font-size: 16px; }
.sv-canvas { --flow: right; grid-template-columns: 230px 230px; justify-content: center; align-items: center; column-gap: clamp(90px, 14vw, 170px); padding: 44px 24px 30px; }
.sv-inputs { display: grid; gap: 52px; justify-items: start; }
.sv-img { width: 168px; }
.sv-text { position: relative; width: 230px; padding: 8px; border-radius: 8px; background: var(--ui-panel); box-shadow: 0 2px 16px var(--ui-shadow); }
.sv-text .sb-prompt { min-height: calc(4.35em + 14px); }
.sv-text [data-sb-type]:empty::before { content: attr(data-placeholder); color: var(--ui-mute); }
.sv-out { left: 100%; top: 50%; color: #818cf8; border-color: #818cf8; }
.sv-out-text { color: #7a5af0; border-color: #7a5af0; }
.sv-vid { width: 230px; display: grid; gap: 8px; transition: opacity .28s ease, transform .28s var(--ease-spring, ease); }
.sv-vid .sb-media { aspect-ratio: 9 / 16; background: #2d2a35; transition: box-shadow .3s ease; }
.sv-vid video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .45s ease; }
.sv-in { left: 0; color: #7a5af0; border-color: #7a5af0; }
.sv-in-text { top: 186px; }
.sv-in-frame { top: 222px; }
.sv-busy b { font-weight: 600; font-variant-numeric: tabular-nums; }
.sv-gen { position: absolute; z-index: 2; left: 10px; right: 10px; bottom: 12px; height: 3px; overflow: hidden; border-radius: 99px; background: rgb(255 255 255 / 12%); opacity: 0; }
.sv-gen b { display: block; width: 0; height: 100%; border-radius: inherit; background: #7a5af0; }
.sv-bar { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; display: grid; gap: 6px; padding: 18px 10px 9px; background: linear-gradient(transparent, rgb(0 0 0 / 70%)); color: rgb(255 255 255 / 85%); font: 500 10.5px var(--mono); transition: opacity .3s ease; }
.sv-bar i { display: block; height: 3px; overflow: hidden; border-radius: 99px; background: rgb(255 255 255 / 20%); }
.sv-bar i b { display: block; width: 0; height: 100%; border-radius: inherit; background: rgb(255 255 255 / 60%); }
.sv-pick { position: relative; display: inline-flex; align-items: center; gap: 4px; transition: scale .15s ease; }
.sv-pick > em { font-style: normal; }
.sv-menu { position: absolute; z-index: 8; bottom: calc(100% + 8px); left: 0; display: none; min-width: 84px; margin: 0; padding: 3px 0; overflow: hidden; border: 1px solid var(--ui-line-2); border-radius: 6px; background: var(--ui-panel); box-shadow: 0 18px 40px var(--ui-shadow); list-style: none; }
.sb-pills .sv-menu li { display: block; padding: 6px 12px; border-radius: 0; color: var(--ui-mute); background: none; font-size: 11px; font-variant-numeric: tabular-nums; }
.sb-pills .sv-menu li.is-sel { color: var(--ui-on); }
.sb-pills .sv-menu li.is-hl { color: var(--ui-on); background: var(--ui-tint); }
.sv-pick.is-open .sv-menu { display: block; }
.sv-pick.is-press { scale: .94; }

.sv.is-run .sv-vid.is-wait { opacity: 0; transform: scale(.94); }
.sv.is-run .sv-vid:not(.is-done) video, .sv.is-run .sv-vid:not(.is-done) .sv-bar { opacity: 0; }
.sv.is-run .sv-in:not(.is-on) { color: var(--ui-line-2); border-color: var(--ui-line-2); }
.sv.is-run .sv-vid.is-busy .sb-pill { display: inline-flex; }
.sv.is-run .sv-vid.is-busy .sb-pill i { animation: sb-spin .7s linear infinite; }
.sv.is-run .sv-vid.is-busy .sv-gen { opacity: 1; }
.sv.is-run .sv-vid.is-busy .sb-media { box-shadow: 0 0 0 1.5px #7a5af0, 0 0 28px rgb(122 90 240 / 35%); }
.sv.is-run .sv-vid.is-busy .sb-media::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgb(122 90 240 / 22%) 50%, transparent 70%) 0 0 / 250% 100%; animation: sb-shimmer 1.1s linear infinite; }

@media (max-width: 640px) {
  .sv { margin-top: 44px; }
  .sv-canvas { --flow: side; grid-template-columns: minmax(0, 1fr); justify-items: start; row-gap: 44px; padding: 38px 14px 22px 46px; }
  .sv-inputs { gap: 40px; width: 100%; }
  .sv-out { left: 0; }
  .sv-text { width: 100%; }
  .sv-vid { width: min(100%, 230px); }
}
@media (prefers-reduced-motion: reduce) {
  .sv-vid, .sv-vid video { transition: none; }
  .sv-bar { display: none; }
}