.signin-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 56px);
  background: radial-gradient(ellipse at 18% 12%, #e4efff, transparent 54%), #f5f8fc;
  color: #172943;
}
.signin-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr);
  width: min(100%, 960px);
  min-height: 500px;
  overflow: hidden;
  border: 1px solid #dde6f1;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 22px 64px #173b6815;
}
.signin-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(30px, 4.5vw, 52px);
  background: url("/yyx-assets/sc-header.png") center bottom / auto 28% no-repeat,
    linear-gradient(145deg, #0c315e, #145da7 68%, #2086e7);
  color: #fff;
}
.signin-wordmark { display: flex; align-items: center; gap: 12px; font-size: 32px; line-height: 1; }
.signin-wordmark img { display: block; border-radius: 16px; }
.signin-brand-copy { margin-bottom: clamp(26px, 4vw, 54px); }
.signin-brand-copy p { margin: 0 0 8px; font-size: clamp(28px, 4vw, 42px); font-weight: 750; }
.signin-brand-copy span { font-size: 14px; color: #e7f2ff; }
.signin-card { padding: clamp(28px, 5vw, 58px); align-self: center; min-width: 0; }
.signin-card h1 { margin: 0; font-size: clamp(27px, 4vw, 34px); line-height: 1.2; }
.signin-description { margin: 10px 0 24px; color: #4d5e72; line-height: 1.5; }
.signin-card form { display: grid; gap: 15px; }
.signin-card label { display: grid; gap: 7px; font-weight: 600; }
.signin-card input {
  width: 100%;
  min-height: 46px;
  padding: 9px 12px;
  border: 1px solid #c8d5e4;
  border-radius: 8px;
}
.signin-card input:focus-visible, .signin-card button:focus-visible {
  outline: 2px solid #2178c4;
  outline-offset: 2px;
}
.signin-card button.primary {
  min-height: 46px;
  margin-top: 3px;
  border: 1px solid #135ea5;
  border-radius: 8px;
  background: #135ea5;
  color: #fff;
  font-weight: 650;
}
.signin-card button.primary:hover:not(:disabled) { border-color: #0f4b85; background: #0f4b85; color: #fff; }
.signin-status { margin: 12px 0 0; color: #a21e25; }
.signin-status:empty { display: none; }
@media (max-width: 740px) {
  .signin-layout { width: min(100%, 480px); grid-template-columns: minmax(0, 1fr); min-height: auto; border-radius: 18px; }
  .signin-brand { gap: 16px; padding: 22px 26px; background-size: auto 34%, auto; }
  .signin-wordmark { gap: 10px; font-size: 26px; }
  .signin-wordmark img { width: 44px; height: 44px; border-radius: 12px; }
  .signin-brand-copy { margin: 0; }
  .signin-brand-copy p { margin-bottom: 2px; font-size: 24px; }
  .signin-card { padding: clamp(18px, 5vw, 34px); }
}

.signin-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 20px; font-size: 13px; }
.signin-links:empty { display: none; }
.signin-links a { color: var(--entry-accent,#135ea5); text-underline-offset: 3px; }
.signin-backoffice, .signin-teacher, .signin-student {
  --entry-ink: #24392e;
  --entry-accent: #315941;
  --entry-border: #dfdfd1;
  color: var(--entry-ink);
}
:is(.signin-backoffice,.signin-teacher,.signin-student) .signin-layout {
  border-color: var(--entry-border);
  box-shadow: 0 24px 62px #292f2020;
}
:is(.signin-backoffice,.signin-teacher,.signin-student) input { border-color: var(--entry-border); }
:is(.signin-backoffice,.signin-teacher,.signin-student) :focus-visible { outline: 2px solid var(--entry-accent); outline-offset: 3px; }
:is(.signin-backoffice,.signin-teacher,.signin-student) .signin-card button.primary { background: var(--entry-accent); border-color: var(--entry-accent); }
:is(.signin-backoffice,.signin-teacher,.signin-student) .signin-card button.primary:hover:not(:disabled) { filter: brightness(.9); }
.signin-backoffice {
  --entry-ink: #20322b;
  --entry-accent: #264c3c;
  background: #f0f2ec;
}
.signin-backoffice .signin-layout { grid-template-columns: minmax(0,1.12fr) minmax(0,1fr); }
.signin-backoffice .signin-brand {
  background: radial-gradient(ellipse at 95% 105%, #547259 0%, transparent 57%), #203e34;
}
.signin-backoffice .signin-brand-copy span { color: #d9e8dd; }
.signin-backoffice .signin-card { background: #fff; }
.signin-teacher { background: #eaf2e8; }
.signin-teacher .signin-layout { grid-template-columns: minmax(0,1fr) minmax(0,.95fr); }
.signin-teacher .signin-brand {
  order: 2;
  background: radial-gradient(ellipse at 100% 0%, #d6e8c1 0%, transparent 62%), #edf5e8;
  color: #273f2d;
}
.signin-teacher .signin-brand-copy { margin-bottom: 10px; }
.signin-teacher .signin-brand-copy span { color: #365740; }
.signin-teacher .signin-card { grid-column: 1; grid-row: 1; }
.signin-student {
  --entry-ink: #412a15;
  --entry-accent: #825016;
  --entry-border: #efd79f;
  background: radial-gradient(ellipse at 50% 0%, #ffe8aa 0%, transparent 70%), #fffaee;
}
.signin-student .signin-layout { grid-template-columns: minmax(0,1fr); width: min(100%, 465px); min-height: 0; }
.signin-student .signin-brand {
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 24px 20px 18px;
  background: #fff0ca;
  color: #593a15;
}
.signin-student .signin-brand-copy { margin: 0; }
.signin-student .signin-brand-copy p { font-size: 22px; }
.signin-student .signin-brand-copy span { color: #6e4e25; }
.signin-student .signin-wordmark img { width: 58px; height: 58px; }
.signin-student .signin-card { padding: 24px clamp(22px,5vw,44px) 30px; }
.signin-student .signin-card h1 { font-size: 27px; }
.signin-student .signin-card button.primary { background: #ffd576; border-color: #e8b453; color: #412a15; }
@media (max-width: 740px) {
  :is(.signin-backoffice,.signin-teacher) .signin-layout { grid-template-columns: minmax(0,1fr); }
  .signin-teacher .signin-brand { order: 0; }
  .signin-teacher .signin-card { grid-row: auto; }
}