/* ----------------------------------------------------------- */
/* Style & Clothing Transfer + Custom Identity                   */
/* Bespoke layout for the pose-guided style-transfer service     */
/* page. Builds on the shared tokens in main.css and the         */
/* .ls-* / .ie-shots primitives in lipsync-showcase / showcase.  */
/* ----------------------------------------------------------- */

.st-eyebrow {
  font-family: var(--_font-accent);
  font-size: 1.3rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: var(--fw-semibold);
  margin: 0 0 1.8rem;
}

/* ---------- the pipeline diagram ---------- */
/* The pose + the look -> the shot -> the face                    */
.st-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(1.2rem, 2vw, 2.4rem);
  margin-top: clamp(2.4rem, 4vw, 4rem);
}
.st-flow__inputs {
  display: flex;
  align-items: stretch;
  gap: clamp(1.2rem, 2vw, 2.4rem);
}

.st-node {
  position: relative;
  margin: 0;
  flex: 0 1 24rem;
  min-width: 18rem;
  display: flex;
  flex-direction: column;
  border-radius: 1.8rem;
  border: 1px solid var(--st-muted);
  background: var(--base-tint);
  padding: 1rem;
  transition: transform .5s cubic-bezier(.22,1,.36,1), border-color .5s ease, box-shadow .5s cubic-bezier(.22,1,.36,1);
}
.st-node__media {
  position: relative;
  overflow: hidden;
  border-radius: 1.1rem;
  aspect-ratio: 3 / 4;
  background: var(--base-shade);
}
.st-node__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.2,.8,.2,1);
}
@media (hover: hover) {
  .st-node:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb), .35); box-shadow: 0 18px 40px -18px rgba(0,0,0,.55); }
  .st-node:hover .st-node__media img { transform: scale(1.05); }
}
.st-node__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  border-radius: 10rem;
  font: var(--fw-semibold) 1.1rem/1 var(--_font-accent);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(20, 18, 26, .58);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.st-node--final .st-node__tag { color: var(--base-opp); background: var(--accent); }
.st-node__label {
  display: block;
  margin: 1.1rem .4rem .5rem;
  font-family: var(--_font-accent);
  font-size: 1.6rem;
  font-weight: var(--fw-medium);
  color: var(--t-bright);
  line-height: 1.2;
}
.st-node__sub {
  display: block;
  margin: 0 .4rem .3rem;
  font-size: 1.35rem;
  color: var(--t-muted);
  line-height: 1.35;
}
.st-node--final {
  border-color: rgba(var(--accent-rgb), .4);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), .12), 0 30px 60px -30px rgba(var(--accent-rgb), .35);
}

/* connector tokens */
.st-token {
  align-self: center;
  flex: 0 0 auto;
  font-family: var(--_font-accent);
  font-size: 2.6rem;
  font-weight: var(--fw-semibold);
  color: var(--accent);
  line-height: 1;
  -webkit-user-select: none;
  user-select: none;
}
.st-token--plus { font-size: 2.2rem; color: var(--t-muted); }

@media (max-width: 991px) {
  .st-flow { flex-direction: column; align-items: center; }
  .st-flow__inputs { width: 100%; justify-content: center; }
  .st-node { flex: 1 1 0; }
  .st-token { transform: rotate(90deg); margin: -.4rem 0; }
}

/* ----------------------------------------------------------- */
/* Interactive composer ("the studio")                          */
/* Pick a look + a face; the pose comes with the look; the       */
/* finished frame renders in with a luxe reveal.                 */
/* ----------------------------------------------------------- */
.st-studio {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  gap: clamp(2rem, 4vw, 5rem);
  align-items: stretch;
  margin-top: clamp(2.4rem, 4vw, 4rem);
}
.st-studio__panel { display: flex; flex-direction: column; }

.st-studio__group { padding: 1.6rem 0; border-top: 1px solid var(--st-muted); }
.st-studio__group:first-child { border-top: 0; padding-top: 0; }
.st-studio__legend {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: 0 0 1.4rem;
}
.st-studio__step {
  font-family: var(--_font-accent);
  font-size: 1.2rem;
  font-weight: var(--fw-semibold);
  letter-spacing: .12em;
  color: var(--accent);
}
.st-studio__legend h3 {
  margin: 0;
  font-family: var(--_font-accent);
  font-size: 1.8rem;
  font-weight: var(--fw-medium);
  color: var(--t-bright);
  line-height: 1.1;
}
.st-studio__legend .st-studio__note { margin-left: auto; font-size: 1.25rem; color: var(--t-muted); }

/* outfit swatches */
.st-studio__swatches { display: flex; gap: 1rem; flex-wrap: wrap; }
.st-swatch {
  position: relative;
  appearance: none;
  cursor: pointer;
  padding: 0;
  width: clamp(6.2rem, 9vw, 7.6rem);
  border-radius: 1.1rem;
  border: 1px solid var(--st-muted);
  background: var(--base-shade);
  overflow: hidden;
  transition: transform .4s cubic-bezier(.22,1,.36,1), border-color .4s ease, box-shadow .4s ease;
}
.st-swatch img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.st-swatch::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 2px transparent;
  transition: box-shadow .4s ease;
  pointer-events: none;
}
.st-swatch:hover { transform: translateY(-3px); border-color: rgba(var(--accent-rgb), .5); }
.st-swatch.is-active { border-color: var(--accent); box-shadow: 0 12px 28px -14px rgba(var(--accent-rgb), .6); }
.st-swatch.is-active::after { box-shadow: inset 0 0 0 2px var(--accent); }
.st-swatch__tick {
  position: absolute; top: .5rem; right: .5rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); color: var(--base-opp);
  font-size: 1.2rem; opacity: 0; transform: scale(.6);
  transition: opacity .35s ease, transform .35s cubic-bezier(.22,1,.36,1);
}
.st-swatch.is-active .st-swatch__tick { opacity: 1; transform: scale(1); }

/* character chips */
.st-studio__cast { display: flex; gap: .9rem; flex-wrap: wrap; }
.st-cast {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.5rem;
  border-radius: 1.1rem;
  border: 1px solid var(--st-muted);
  background: var(--base-tint);
  color: var(--t-muted);
  font: var(--fw-medium) 1.5rem/1 var(--_font-accent);
  transition: transform .4s cubic-bezier(.22,1,.36,1), border-color .4s ease, color .4s ease, background .4s ease, opacity .4s ease;
}
.st-cast i { font-size: 1.7rem; color: var(--accent); transition: color .4s ease; }
.st-cast:hover { transform: translateY(-2px); color: var(--t-bright); border-color: rgba(var(--accent-rgb), .5); }
.st-cast.is-active { background: var(--accent); border-color: var(--accent); color: var(--base-opp); }
.st-cast.is-active i { color: var(--base-opp); }
.st-cast[disabled] { opacity: .55; cursor: not-allowed; transform: none; }
.st-cast[disabled]:hover { color: var(--t-muted); border-color: var(--st-muted); }

/* derived pose tile */
.st-studio__pose { display: flex; align-items: center; gap: 1.4rem; }
.st-studio__pose-thumb {
  width: 6.4rem; flex: 0 0 auto;
  border-radius: 1rem; overflow: hidden;
  border: 1px solid var(--st-muted); background: var(--base-shade);
}
.st-studio__pose-thumb img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.st-studio__pose-text { color: var(--t-muted); font-size: 1.4rem; line-height: 1.45; }
.st-studio__pose-text b { color: var(--t-bright); font-weight: var(--fw-semibold); font-family: var(--_font-accent); }

/* actions */
.st-studio__actions { margin-top: auto; padding-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.st-studio__shuffle {
  appearance: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: .8rem;
  padding: 1.2rem 1.8rem; border-radius: 1.2rem;
  border: 1px solid var(--st-muted); background: transparent;
  color: var(--t-bright); font: var(--fw-medium) 1.5rem/1 var(--_font-accent);
  transition: transform .4s cubic-bezier(.22,1,.36,1), border-color .4s ease, color .4s ease;
}
.st-studio__shuffle i { font-size: 1.8rem; color: var(--accent); transition: transform .6s cubic-bezier(.22,1,.36,1); }
.st-studio__shuffle:hover { transform: translateY(-2px); border-color: rgba(var(--accent-rgb), .5); }
.st-studio__shuffle:hover i { transform: rotate(180deg); }

/* the stage */
.st-studio__stage {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  border: 1px solid var(--st-muted);
  background: var(--base-shade);
  aspect-ratio: 4 / 5;
  box-shadow: 0 50px 90px -45px rgba(0,0,0,.65);
}
.st-studio__layer {
  position: absolute; inset: 0;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity .8s ease, transform 1.4s cubic-bezier(.16,.84,.3,1), filter .8s ease;
  will-change: opacity, transform;
}
.st-studio__layer img { width: 100%; height: 100%; object-fit: cover; display: block; }
.st-studio__layer.is-front { opacity: 1; transform: scale(1); }

/* scanning light bar during render */
.st-studio__scan {
  position: absolute; inset: 0; z-index: 4; pointer-events: none;
  opacity: 0;
  background: linear-gradient(100deg, transparent 0%, transparent 38%,
              rgba(var(--accent-rgb), .14) 46%, rgba(255,255,255,.45) 50%,
              rgba(var(--accent-rgb), .14) 54%, transparent 62%, transparent 100%);
  background-size: 280% 100%;
  background-position: 120% 0;
  mix-blend-mode: screen;
}
.st-studio.is-rendering .st-studio__scan { opacity: 1; animation: st-sweep .9s cubic-bezier(.5,0,.3,1); }
@keyframes st-sweep { from { background-position: 130% 0; } to { background-position: -40% 0; } }
.st-studio.is-rendering .st-studio__layer.is-front { filter: saturate(.6) brightness(.92); transform: scale(1.02); }

/* vignette + grain that flash during render */
.st-studio__veil {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  opacity: 0; transition: opacity .5s ease;
  background:
    radial-gradient(120% 120% at 50% 30%, transparent 55%, rgba(0,0,0,.4) 100%);
}
.st-studio.is-rendering .st-studio__veil { opacity: 1; }

/* recipe ribbon */
.st-studio__recipe {
  position: absolute; left: 1.6rem; bottom: 1.6rem; z-index: 5;
  display: inline-flex; align-items: center; gap: .7rem;
  max-width: calc(100% - 3.2rem);
  padding: .8rem 1.4rem; border-radius: 10rem;
  font: var(--fw-medium) 1.35rem/1.1 var(--_font-accent);
  color: #fff; background: rgba(20,18,26,.55);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.22,1,.36,1);
}
.st-studio__recipe i { color: var(--accent); font-size: 1.6rem; }
.st-studio.is-rendering .st-studio__recipe { opacity: 0; transform: translateY(8px); }

/* "rendering" status pill (top) */
.st-studio__status {
  position: absolute; top: 1.6rem; left: 50%; transform: translate(-50%, -8px); z-index: 6;
  display: inline-flex; align-items: center; gap: .7rem;
  padding: .7rem 1.3rem; border-radius: 10rem;
  font: var(--fw-semibold) 1.2rem/1 var(--_font-accent);
  letter-spacing: .06em; text-transform: uppercase;
  color: #fff; background: rgba(20,18,26,.6);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  opacity: 0; transition: opacity .4s ease, transform .4s ease;
}
.st-studio.is-rendering .st-studio__status { opacity: 1; transform: translate(-50%, 0); }
.st-studio__status .st-dots { display: inline-flex; gap: .35rem; }
.st-studio__status .st-dots span {
  width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent);
  animation: st-blink 1s infinite ease-in-out;
}
.st-studio__status .st-dots span:nth-child(2) { animation-delay: .15s; }
.st-studio__status .st-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes st-blink { 0%,100% { opacity: .25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-2px); } }

@media (max-width: 991px) {
  .st-studio { grid-template-columns: 1fr; }
  .st-studio__stage { order: -1; max-width: 44rem; margin: 0 auto; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .st-studio__layer { transition: opacity .4s ease; transform: none; }
  .st-studio__layer.is-front { transform: none; }
  .st-studio.is-rendering .st-studio__scan { animation: none; opacity: 0; }
  .st-studio.is-rendering .st-studio__layer.is-front { filter: none; transform: none; }
}

/* ---------- lookbook ---------- */
.st-lookbook { display: grid; gap: clamp(2rem, 3.4vw, 3.6rem); margin-top: clamp(2.6rem, 4vw, 4.4rem); }
.st-look {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.6rem, 2.6vw, 3rem);
  align-items: center;
  padding: clamp(1.6rem, 2.4vw, 2.8rem);
  border-radius: 2.2rem;
  border: 1px solid var(--st-muted);
  background: var(--base-tint);
  transition: border-color .5s ease, box-shadow .5s cubic-bezier(.22,1,.36,1), transform .5s cubic-bezier(.22,1,.36,1);
}
@media (hover: hover) {
  .st-look:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb), .28); box-shadow: 0 30px 64px -30px rgba(0,0,0,.5); }
}
.st-look:nth-child(even) .st-look__final { order: -1; }

.st-look__inputs { display: flex; flex-direction: column; gap: 1.4rem; }
.st-look__refs { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.st-ref { margin: 0; position: relative; border-radius: 1.2rem; overflow: hidden; background: var(--base-shade); border: 1px solid var(--st-muted); }
.st-ref img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.st-ref figcaption {
  position: absolute; left: .8rem; top: .8rem;
  padding: .35rem .8rem; border-radius: 10rem;
  font: var(--fw-semibold) 1rem/1 var(--_font-accent);
  letter-spacing: .06em; text-transform: uppercase;
  color: #fff; background: rgba(20,18,26,.6);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.st-look__meta .st-eyebrow { margin-bottom: 1rem; }
.st-look__title { font-family: var(--_font-accent); font-weight: var(--fw-medium); color: var(--t-bright); font-size: clamp(2rem, 2.4vw, 2.8rem); line-height: 1.1; margin: 0 0 .8rem; }
.st-look__desc { color: var(--t-muted); font-size: 1.5rem; line-height: 1.5; margin: 0; }
.st-look__tags { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.4rem; }
.st-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1.05rem; border-radius: 10rem;
  border: 1px solid var(--st-muted);
  font: var(--fw-medium) 1.25rem/1 var(--_font-accent);
  color: var(--t-muted);
}
.st-chip i { color: var(--accent); font-size: 1.4rem; }

.st-look__final { position: relative; margin: 0 auto; width: 100%; max-width: 40rem; border-radius: 1.6rem; overflow: hidden; background: var(--base-shade); box-shadow: 0 30px 60px -34px rgba(0,0,0,.55); }
.st-look__final img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
@media (hover: hover) { .st-look:hover .st-look__final img { transform: scale(1.04); } }
.st-look__id {
  position: absolute; left: 1.4rem; bottom: 1.4rem; z-index: 2;
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .6rem 1.2rem; border-radius: 10rem;
  font: var(--fw-semibold) 1.3rem/1 var(--_font-accent);
  color: #fff; background: rgba(20,18,26,.55);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.st-look__id i { color: var(--accent); font-size: 1.5rem; }

@media (max-width: 767px) {
  .st-look { grid-template-columns: 1fr; }
  .st-look:nth-child(even) .st-look__final { order: 0; }
}