.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(400px, 0.92fr);
  min-height: min(700px, calc(100vh - 64px));
  overflow: hidden;
  border: 1px solid #dfe8f4;
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.07);
}

.auth-intro {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(44px, 7vw, 82px);
  background:
    radial-gradient(circle at 100% 100%, rgba(147, 197, 253, 0.46), transparent 38%),
    linear-gradient(145deg, #f7fbff, #eaf3ff);
}

.auth-intro::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(#60a5fa, #c4b5fd);
  content: "";
}

.auth-intro::after {
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(96, 165, 250, 0.06);
  content: "";
}

.auth-intro-content {
  position: relative;
  z-index: 1;
  max-width: 500px;
}

.auth-product-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 46px;
}

.auth-product-mark > span {
  position: relative;
  display: block;
  width: 31px;
  height: 31px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  box-shadow: 0 7px 14px rgba(59, 130, 246, 0.22);
}

.auth-product-mark > span::before,
.auth-product-mark > span::after {
  position: absolute;
  top: 9px;
  width: 5px;
  height: 13px;
  border-radius: 999px;
  background: #ffffff;
  content: "";
}

.auth-product-mark > span::before { left: 9px; }
.auth-product-mark > span::after { right: 9px; opacity: 0.72; }

.auth-product-mark strong,
.auth-product-mark small { display: block; }
.auth-product-mark strong { color: #243b5b; font-size: 0.93rem; }
.auth-product-mark small { margin-top: 2px; color: #72829a; font-size: 0.75rem; }

.auth-eyebrow,
.auth-form-kicker {
  margin: 0 0 16px;
  color: #2563eb;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.auth-intro h1 {
  margin: 0;
  color: #152944;
  font-size: clamp(2.25rem, 4vw, 3.35rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.auth-summary {
  max-width: 455px;
  margin: 20px 0 28px;
  color: #60738e;
  font-size: 1rem;
  line-height: 1.75;
}

.auth-feature-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.auth-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #465d79;
  font-size: 0.91rem;
}

.auth-feature-list li::before {
  width: 17px;
  height: 17px;
  border: 1px solid #bfdbfe;
  border-radius: 50%;
  background: #eff6ff;
  box-shadow: inset 0 0 0 5px #dbeafe;
  content: "";
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(34px, 5vw, 72px);
  background: #ffffff;
}

.auth-card {
  width: 100%;
  max-width: 398px;
  padding: 34px;
  border: 1px solid #e5ebf3;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.055);
}

.auth-card h1 {
  margin: 0;
  color: #172b4d;
  font-size: 1.62rem;
  font-weight: 700;
}

.auth-form-subtitle {
  margin: 8px 0 26px;
  color: #75859a;
  font-size: 0.93rem;
}

.auth-card .form-label {
  margin-bottom: 7px;
  color: #41556f;
  font-size: 0.88rem;
  font-weight: 600;
}

.auth-card .form-control {
  min-height: 46px;
  border-color: #d9e2ed;
  border-radius: 10px;
}

.auth-card .form-control:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.auth-card .btn-primary {
  min-height: 46px;
  border-color: #2563eb;
  border-radius: 10px;
  background: #2563eb;
  font-weight: 600;
  box-shadow: 0 7px 15px rgba(37, 99, 235, 0.16);
}

.auth-card .btn-primary:hover { background: #1d4ed8; }

.auth-switch {
  margin: 22px 0 0;
  color: #718096;
  font-size: 0.9rem;
  text-align: center;
}

.auth-switch a { font-weight: 600; }

@media (max-width: 899.98px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-intro { min-height: 360px; padding: 46px 42px; }
  .auth-panel { padding: 42px 24px; }
}

@media (max-width: 575.98px) {
  .auth-layout { min-height: 0; border-radius: 18px; }
  .auth-intro { min-height: 0; padding: 36px 26px; }
  .auth-product-mark { margin-bottom: 30px; }
  .auth-intro h1 { font-size: 2.15rem; }
  .auth-summary { margin: 16px 0 22px; }
  .auth-feature-list { gap: 9px; }
  .auth-panel { padding: 20px 14px; }
  .auth-card { padding: 26px 22px; border: 0; box-shadow: none; }
}