/* Пять выбранных композиций страницы входа. */
html .auth__side.auth-visual {
  --auth-art-bg: #0d1015;
  --auth-art-ink: #f0f2f6;
  --auth-art-muted: #a1a8b5;
  --auth-art-faint: #788190;
  --auth-art-line: rgba(255, 255, 255, .1);
  --auth-art-inset: clamp(28px, 3.5vw, 54px);
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 26px;
  height: 100%;
  min-height: 0;
  min-width: 0;
  padding: 0 var(--auth-art-inset) 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 22px;
  background: var(--auth-art-bg);
  color: var(--auth-art-ink);
  color-scheme: dark;
}
.auth-visual__art {
  position: relative;
  min-width: 0;
  min-height: 0;
  margin-inline: calc(-1 * var(--auth-art-inset));
  overflow: hidden;
  background: var(--auth-art-bg);
  mask-image: linear-gradient(#000 0%, #000 84%, transparent 100%);
}
.auth-visual__image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: 50% 36%;
}
.auth-visual__image[hidden] { display: none !important; }
.auth-visual__art > noscript { display: contents; }
.auth-visual__body { position: relative; z-index: 1; max-width: 470px; min-width: 0; }
.auth-visual .auth-visual__eyebrow {
  max-width: none;
  margin: 0 0 12px;
  color: var(--auth-art-faint);
  font-size: 10px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.auth-visual .auth-visual__title {
  max-width: 19ch;
  margin: 0;
  color: var(--auth-art-ink);
  font-family: var(--sans);
  font-size: clamp(27px, 2.5vw, 37px);
  font-weight: 500;
  line-height: 1.19;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.auth-visual .auth-visual__description {
  max-width: 39ch;
  margin: 14px 0 0;
  color: var(--auth-art-muted);
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 400;
  line-height: 1.65;
  text-wrap: pretty;
}
.auth-visual__footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  min-width: 0;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--auth-art-line);
  color: var(--auth-art-faint);
  font-size: 11px;
  line-height: 1.5;
}
.auth-visual__footer > :first-child { letter-spacing: -.02em; }
.auth-visual__footer > :last-child { white-space: nowrap; }
.auth-visual__footer svg { width: 14px; height: 14px; flex: none; }


/* Высоту сохраняем: на коротком экране уплотняется композиция, а не шрифт формы. */
@media (min-width: 901px) and (max-height: 720px) {
  html .auth__side.auth-visual { --auth-art-inset: clamp(26px, 3vw, 42px); gap: 20px; padding-bottom: 22px; }
  .auth-visual .auth-visual__eyebrow { margin-bottom: 8px; }
  .auth-visual .auth-visual__title { font-size: clamp(25px, 2.2vw, 32px); }
  .auth-visual .auth-visual__description { margin-top: 10px; font-size: 13px; line-height: 1.55; }
  .auth-visual__footer { padding-top: 14px; }
}
@media (max-width: 900px) { html .auth__side.auth-visual { display: none; } }

/* Дневной свет: фотографичная рабочая сцена во всю панель. */
html[data-auth-visual='daylight'] .auth__side.auth-visual {
  --auth-art-bg: #efe9df;
  --auth-art-ink: #292a28;
  --auth-art-muted: #5e605b;
  --auth-art-faint: #6f716a;
  --auth-art-line: rgba(41, 42, 40, .16);
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 24px;
  padding-top: clamp(40px, 6dvh, 64px);
  border-color: rgba(41, 42, 40, .08);
  color-scheme: light;
}
html[data-auth-visual='daylight'] .auth-visual__art { position: absolute; inset: 0; z-index: -2; margin: 0; mask-image: none; }
html[data-auth-visual='daylight'] .auth-visual__image { object-position: 50% 60%; }
html[data-auth-visual='daylight'] .auth__side.auth-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(239, 233, 223, .98), rgba(239, 233, 223, .9) 22%, rgba(239, 233, 223, .08) 49%, transparent 76%, rgba(239, 233, 223, .92));
}
html[data-auth-visual='daylight'] .auth-visual__body { grid-row: 1; align-self: start; max-width: 420px; }
html[data-auth-visual='daylight'] .auth-visual__title { max-width: 18ch; font-size: clamp(28px, 2.6vw, 38px); }
html[data-auth-visual='daylight'] .auth-visual__description { max-width: 35ch; }
html[data-auth-visual='daylight'] .auth-visual__footer { grid-row: 2; }

/* Кобальт: материальный студийный объект на уверенном синем фоне. */
html[data-auth-visual='cobalt'] .auth__side.auth-visual {
  --auth-art-bg: #2048cf;
  --auth-art-ink: #fff;
  --auth-art-muted: #dce5ff;
  --auth-art-faint: #bbcaff;
  --auth-art-line: rgba(255, 255, 255, .24);
  border-color: rgba(255, 255, 255, .12);
  color-scheme: dark;
}
html[data-auth-visual='cobalt'] .auth-visual__art { mask-image: linear-gradient(#000 0%, #000 87%, transparent 100%); }
html[data-auth-visual='cobalt'] .auth-visual__image { object-position: 50% 43%; }
html[data-auth-visual='cobalt'] .auth-visual__body { max-width: 460px; }
html[data-auth-visual='cobalt'] .auth-visual__title { max-width: 18ch; font-size: clamp(29px, 2.7vw, 39px); line-height: 1.16; }
html[data-auth-visual='cobalt'] .auth-visual__description { max-width: 36ch; }


@media (min-width: 901px) and (max-height: 720px) {
  html[data-auth-visual='daylight'] .auth__side.auth-visual { padding-top: 30px; gap: 20px; }
  html[data-auth-visual='daylight'] .auth-visual__title { font-size: clamp(26px, 2.4vw, 33px); }
  html[data-auth-visual='cobalt'] .auth-visual__title { font-size: clamp(27px, 2.4vw, 34px); }
}

/* Новые сцены занимают всю панель; текст остаётся отдельным читаемым слоем. */
html:is([data-auth-visual='atelier'], [data-auth-visual='bluehour']) .auth__side.auth-visual {
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 24px;
}
html:is([data-auth-visual='atelier'], [data-auth-visual='bluehour']) .auth-visual__art {
  position: absolute;
  inset: 0;
  z-index: -2;
  margin: 0;
  mask-image: none;
}
html:is([data-auth-visual='atelier'], [data-auth-visual='bluehour']) .auth__side.auth-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
html:is([data-auth-visual='atelier'], [data-auth-visual='bluehour']) .auth-visual__body {
  align-self: end;
  padding-top: 100px;
}

/* Ателье: терракотовый фон и сатинированный металл. */
html[data-auth-visual='atelier'] .auth__side.auth-visual {
  --auth-art-bg: #672d1b;
  --auth-art-ink: #fff5e8;
  --auth-art-muted: #eed4bc;
  --auth-art-faint: #d5b49b;
  --auth-art-line: rgba(255, 235, 211, .22);
}
html[data-auth-visual='atelier'] .auth-visual__image { object-position: 50% 25%; }
html[data-auth-visual='atelier'] .auth__side.auth-visual::before {
  background: linear-gradient(180deg, transparent 42%, rgba(103, 45, 27, .12) 56%, rgba(103, 45, 27, .94) 79%, #672d1b);
}

/* Синий час: тёплый свет рабочего стола на фоне вечернего города. */
html[data-auth-visual='bluehour'] .auth__side.auth-visual {
  --auth-art-bg: #10151c;
  --auth-art-ink: #f4f0e9;
  --auth-art-muted: #c6c7ca;
  --auth-art-faint: #9ba4b3;
  --auth-art-line: rgba(223, 228, 239, .18);
}
html[data-auth-visual='bluehour'] .auth-visual__image { object-position: 54% 45%; }
html[data-auth-visual='bluehour'] .auth__side.auth-visual::before {
  background: linear-gradient(180deg, rgba(16, 21, 28, .04), transparent 46%, rgba(16, 21, 28, .45) 65%, rgba(16, 21, 28, .96) 83%, #10151c);
}

@media (min-width: 901px) and (max-height: 720px) {
  html:is([data-auth-visual='atelier'], [data-auth-visual='bluehour']) .auth__side.auth-visual { gap: 20px; }
  html:is([data-auth-visual='atelier'], [data-auth-visual='bluehour']) .auth-visual__body { padding-top: 70px; }
  html:is([data-auth-visual='atelier']) .auth-visual__image { object-position: 50% 0%; }
}