:root {
  --auth-bg: #eef4ff;
  --auth-panel: #ffffff;
  --auth-text: #172033;
  --auth-muted: #667085;
  --auth-border: #dbe4f0;
  --auth-primary: #2563eb;
  --auth-accent: #0f9f6e;
}

* { box-sizing: border-box; }

.auth-page {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(37, 99, 235, .16), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(15, 159, 110, .14), transparent 30%),
    var(--auth-bg);
  color: var(--auth-text);
  font-family: Arial, Helvetica, sans-serif;
}

.auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
  gap: 42px;
  align-items: center;
  min-height: 100vh;
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px;
}

.auth-brand h1 {
  margin: 18px 0 10px;
  font-size: 46px;
  letter-spacing: 0;
}

.auth-brand p {
  max-width: 560px;
  color: #4b5563;
  line-height: 1.65;
  font-size: 17px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--auth-primary);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 18px 42px rgba(37, 99, 235, .28);
}

.auth-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.auth-highlights span,
.auth-tabs a {
  border: 1px solid var(--auth-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  padding: 8px 12px;
  color: var(--auth-text);
}

.auth-card {
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--auth-border);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 28px 72px rgba(17, 24, 39, .16);
}

.auth-card h2 {
  margin: 0 0 8px;
  font-size: 28px;
}

.muted {
  color: var(--auth-muted);
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.auth-tabs a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
}

.auth-tabs a.active {
  background: var(--auth-primary);
  color: #fff;
  border-color: var(--auth-primary);
}

.auth-form {
  margin-top: 22px;
}

.auth-form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.password-field,
.domain-preview-field {
  display: grid;
  gap: 7px;
}

.password-field {
  grid-template-columns: minmax(0, 1fr) auto;
}

.password-field button {
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  padding: 0 12px;
  background: #f8fafc;
  cursor: pointer;
}

.domain-preview-field small {
  color: var(--auth-muted);
}

.auth-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.text-link {
  color: var(--auth-primary);
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .auth-brand h1 {
    font-size: 36px;
  }
}

@media (max-width: 560px) {
  .auth-shell {
    padding: 18px;
  }
  .auth-card {
    padding: 22px;
  }
  .auth-form-grid,
  .password-field {
    grid-template-columns: 1fr;
  }
}