/* The split sign-in surface is isolated from the account and legacy panel. */
html:has(.signin-split) {
  scrollbar-gutter: auto;
  color-scheme: dark;
}
.signin-split {
  color-scheme: dark;
  padding: 0;
  background: var(--account-bg);
}
.signin-split .signin-shell {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  min-height: 100svh;
  margin: 0;
  padding: 0;
  gap: 0;
  align-items: stretch;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.signin-column {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  min-width: 0;
  padding: clamp(86px, 17svh, 180px) 6.8vw 56px;
  z-index: 1;
  pointer-events: none;
}
.signin-brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 28px;
  pointer-events: auto;
  color: var(--account-accent);
  text-decoration: none;
}
.signin-brand img {
  width: 26px;
  height: 21px;
  object-fit: contain;
}
.signin-split .signin-panel,
.signin-split .signin-panel:hover,
.signin-split .signin-panel.is-pressed {
  position: relative;
  width: 100%;
  max-width: 280px;
  padding: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  transform: none;
  text-align: left;
  transition: none;
  pointer-events: auto;
  animation: signin-appear 400ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
.signin-split .signin-panel::before,
.signin-split .signin-panel::after,
.signin-split .signin-panel > .effect-orbit {
  display: none;
}
.signin-split .signin-panel h1 {
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.05em;
  font-weight: 500;
  text-wrap: balance;
}
.signin-split .signin-copy {
  max-width: none;
  margin: 9px 0 24px;
  font-size: 11px;
  line-height: 1.85;
  color: var(--account-muted);
}
.signin-split .vk-login {
  margin-top: 0;
  min-height: 37px;
  gap: 11px;
  padding: 8px 13px;
  border: 1px solid var(--account-accent);
  border-radius: 28px;
  background: var(--account-accent);
  box-shadow: none;
  color: var(--account-ink);
  font-size: 11px;
  font-weight: 500;
  text-decoration: none;
}
.signin-split .vk-login:hover {
  background: #f0e3cc;
  border-color: #f0e3cc;
  color: var(--account-ink);
}
.signin-split .vk-login:active {
  transform: translateY(1px);
  color: var(--account-ink);
}
.signin-split .vk-symbol {
  width: 18px;
  height: 18px;
}
.signin-split .vk-login[aria-busy="true"] {
  opacity: 0.7;
  cursor: progress;
}
.signin-account-note {
  max-width: 32ch;
  margin: 18px 0 0;
  font-size: 11px;
  line-height: 1.85;
  color: var(--account-muted);
}
.signin-footer {
  position: relative;
  width: 280px;
  max-width: 100%;
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 10px;
  pointer-events: auto;
}
.signin-footer a {
  color: var(--account-muted);
  text-decoration: none;
  transition: color 150ms;
}
.signin-footer a:hover {
  color: var(--account-text);
}
.signin-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: none;
}
.signin-art img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: 1;
  animation: signin-art-appear 650ms ease-out both;
}
.signin-split .panel-password-login {
  margin-top: 23px;
}
.signin-split .panel-password-login > summary {
  display: flex;
  align-items: center;
  gap: 13px;
  list-style: none;
  color: var(--account-muted);
  font-size: 10px;
  white-space: nowrap;
}
.signin-split .panel-password-login > summary::before,
.signin-split .panel-password-login > summary::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--account-line);
}
.signin-split .panel-password-login > summary::-webkit-details-marker {
  display: none;
}
.signin-split .credential-form {
  gap: 15px;
  margin-top: 22px;
}
.signin-split .credential-form label {
  gap: 7px;
  font-size: 11px;
}
.signin-split .credential-form input:not([type="hidden"]) {
  height: 36px;
  border: 1px solid var(--account-line);
  border-radius: 24px;
  background: var(--account-surface);
  box-shadow: none;
  font-size: 11px;
}
.signin-split .credential-form input:focus {
  border-color: var(--account-accent);
  background: var(--account-surface);
}
.signin-split .credential-form input[aria-invalid="true"] {
  border-color: var(--account-danger);
}
.signin-split .password-control button {
  top: 0;
  width: 36px;
  height: 36px;
}
.signin-split .credential-form [type="submit"] {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--account-accent);
  border-radius: 24px;
  background: var(--account-accent);
  color: var(--account-ink);
  font-size: 11px;
}
.signin-split .credential-form [type="submit"]:hover {
  background: #f0e3cc;
}
.signin-split .signin-feedback {
  text-align: left;
  line-height: 1.8;
}
.signin-split .signin-feedback:empty {
  display: none;
}
.signin-split :is(a, button, input):focus-visible {
  outline: 2px solid var(--account-accent);
  outline-offset: 4px;
}
@keyframes signin-appear {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes signin-art-appear {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@media (min-width: 761px) and (max-aspect-ratio: 4/3) {
  .signin-art {
    mask-image: linear-gradient(
      to right,
      transparent calc(6.8vw + 300px),
      #000 calc(6.8vw + 420px)
    );
  }
}
@media (max-width: 760px) {
  .signin-split .signin-shell {
    grid-template-columns: 1fr;
    min-height: 100svh;
  }
  .signin-column {
    min-height: 100svh;
    padding: clamp(60px, 13svh, 110px) 32px 48px;
  }
  .signin-art {
    display: none;
  }
  .signin-split .signin-panel {
    max-width: 320px;
  }
}
@media (max-width: 380px) {
  .signin-column {
    padding-inline: 24px;
  }
  .signin-footer {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .signin-split .signin-panel,
  .signin-art img {
    animation: none;
  }
}