body:has(.yc-login-page) {
  display: block;
  min-height: 100vh;
  padding: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(45, 105, 212, 0.08), transparent 30%),
    linear-gradient(180deg, #f7faff 0%, #eef3f9 100%);
  color: #1d2633;
}

.yc-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.yc-login-shell {
  width: min(1180px, 100%);
  overflow: hidden;
  border: 1px solid #d9e1ec;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 20px 55px rgba(23, 42, 78, 0.12);
}

.yc-login-brand {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 168px;
  padding: 30px 44px;
  background: #fbfdff;
  border-bottom: 1px solid #dce4ef;
}

.yc-login-academy-logo {
  width: min(430px, 44vw);
  max-height: 92px;
  object-fit: contain;
  flex: 0 0 auto;
}

.yc-login-logo {
  width: 84px;
  height: auto;
}

.yc-login-brand-text {
  min-width: 0;
}

.yc-login-overline {
  margin-bottom: 8px;
  color: #6a7483;
  font-size: 16px;
  font-weight: 700;
}

.yc-login-brand h1 {
  margin: 0;
  color: #17386f;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0;
}

.yc-login-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
}

.yc-login-help {
  padding: 48px 52px;
  background: linear-gradient(135deg, #f4fbf7 0%, #f8fbff 100%);
  border-right: 1px solid #dce4ef;
}

.yc-login-kicker {
  margin: 0 0 16px;
  color: #4c9b68;
  font-size: 18px;
  font-weight: 800;
}

.yc-login-help h2,
.yc-login-card-title {
  margin: 0 0 22px;
  color: #1d2633;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0;
}

.yc-login-card-title {
  font-size: 28px;
}

.yc-login-copy {
  margin: 0 0 28px;
  color: #667180;
  font-size: 17px;
  line-height: 1.75;
  font-weight: 600;
}

.yc-login-format {
  margin: 0 0 28px;
  border-top: 1px solid #dce4ef;
  border-bottom: 1px solid #dce4ef;
}

.yc-login-format div {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid #e8edf5;
}

.yc-login-format div:last-child {
  border-bottom: 0;
}

.yc-login-format dt {
  color: #556170;
  font-weight: 800;
}

.yc-login-format dd {
  margin: 0;
  color: #253044;
  font-weight: 700;
}

.yc-login-format code {
  color: #2759c7;
  font-size: 18px;
  font-weight: 800;
}

.yc-login-notes {
  margin: 0;
  padding-left: 22px;
  color: #3b4656;
  font-size: 16px;
  line-height: 1.9;
  font-weight: 600;
}

.yc-login-card {
  display: flex;
  align-items: center;
  padding: 48px 52px;
}

.yc-login-card .main-login,
.yc-login-card .additional-logins {
  width: 100%;
  min-height: 0;
  display: block;
  text-align: left;
}

.yc-login-card .login-content {
  min-height: 0;
  border-bottom: 0;
}

.yc-login-card .form-floating {
  margin-bottom: 18px;
}

.yc-login-card .form-control {
  min-height: 64px;
  border: 1px solid #cfd8e5;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 650;
}

.yc-login-card .form-control:focus {
  border-color: #2d67d8;
  box-shadow: 0 0 0 4px rgba(45, 103, 216, 0.15);
}

.yc-login-card .btn-primary {
  min-height: 62px;
  border: 0;
  border-radius: 10px;
  background: #2d5ecb;
  font-size: 22px;
  font-weight: 900;
}

.yc-login-card .btn-primary:hover,
.yc-login-card .btn-primary:focus {
  background: #244fb2;
}

.yc-login-register {
  color: #657182;
  font-size: 15px;
  font-weight: 650;
}

.yc-login-version {
  margin: 0;
  padding: 22px 28px;
  border-top: 1px solid #dce4ef;
  color: #697484;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
}

@media (max-width: 860px) {
  .yc-login-page {
    padding: 16px;
  }

  .yc-login-brand {
    flex-direction: column;
    align-items: flex-start;
    min-height: 128px;
    padding: 24px;
    gap: 16px;
  }

  .yc-login-academy-logo {
    width: min(100%, 360px);
    max-height: 86px;
  }

  .yc-login-brand h1 {
    font-size: 24px;
  }

  .yc-login-grid {
    grid-template-columns: 1fr;
  }

  .yc-login-help {
    padding: 30px 26px;
    border-right: 0;
    border-bottom: 1px solid #dce4ef;
  }

  .yc-login-help h2,
  .yc-login-card-title {
    font-size: 26px;
  }

  .yc-login-card {
    padding: 30px 26px;
  }

  .yc-login-format div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}