.auth-body {
  min-height: 100vh;
  margin: 0;
}

.auth-shell {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  min-height: 100vh;
}

.auth-brand {
  padding: 2.5rem;
  color: #c8ddd7;
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.22) 0%, transparent 35%),
    linear-gradient(160deg, #0c1f1c 0%, #102824 55%, #0a1916 100%);
  display: flex;
  align-items: center;
}

.auth-brand__inner {
  max-width: 420px;
}

.auth-brand .sidebar__brand {
  padding: 0 0 2rem;
}

.auth-brand h1 {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 650;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.auth-brand p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.55;
  opacity: 0.78;
}

.auth-panel {
  display: grid;
  place-items: center;
  padding: 2rem 1.25rem;
}

.auth-card {
  width: min(440px, 100%);
  padding: 1.75rem 1.85rem 1.5rem;
  border-radius: calc(var(--radius) + 4px);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.auth-card--wide {
  width: min(560px, 100%);
}

.auth-card h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.auth-lede {
  margin-bottom: 1.25rem;
}

.auth-tabs {
  margin: 1.1rem 0 1.25rem;
}

.auth-tabs .filter-tab {
  text-decoration: none;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.auth-submit {
  width: 100%;
  margin-top: 0.55rem;
  padding: 0.9rem 1.15rem;
  min-height: 3rem;
}

.auth-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.auth-footer {
  margin: 1.25rem 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-footer a {
  color: var(--brand-deep);
  font-weight: 700;
}

.auth-alert {
  margin: 0 0 1rem;
  padding: 0.8rem 0.95rem;
  border-radius: 12px;
  background: #fff1f2;
  color: #9f1239;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
}

.auth-alert--ok {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.auth-alert--ok a {
  display: inline-block;
  margin-left: 0.35rem;
  color: var(--brand-deep);
  font-weight: 800;
}

.auth-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}

@media (max-width: 900px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    padding: 1.5rem 1.25rem 1rem;
    min-height: auto;
  }

  .auth-brand h1 {
    font-size: 1.55rem;
  }

  .auth-brand p {
    font-size: 0.95rem;
  }
}