.db-auth-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: var(--db-space-6);
  background:
    linear-gradient(var(--db-color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--db-color-border-subtle) 1px, transparent 1px),
    var(--db-color-bg-canvas);
  background-size: 32px 32px;
}

.db-auth-page .db-skip-link {
  position: fixed;
  z-index: 20;
  top: var(--db-space-3);
  left: var(--db-space-3);
  padding: var(--db-space-2) var(--db-space-3);
  border: 1px solid var(--db-color-accent);
  border-radius: var(--db-radius-md);
  background: var(--db-color-bg-surface-raised);
  color: var(--db-color-text-primary);
  transform: translateY(-200%);
}

.db-auth-page .db-skip-link:focus {
  transform: translateY(0);
}

.db-auth-shell {
  display: grid;
  grid-template-columns: minmax(20rem, 1fr) minmax(22rem, 0.9fr);
  width: min(62rem, 100%);
  min-height: 36rem;
  overflow: hidden;
  border: 1px solid var(--db-color-border-default);
  border-radius: var(--db-radius-xl);
  background: var(--db-color-bg-surface);
  box-shadow: var(--db-shadow-2);
}

.db-auth-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--db-space-10);
  border-right: 1px solid var(--db-color-border-default);
  background: var(--db-color-bg-shell);
}

.db-auth-logo-plate {
  width: 14rem;
  margin-bottom: var(--db-space-10);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.db-auth-brand h2 { max-width: 17ch; margin: var(--db-space-3) 0; font-size: var(--db-font-size-page-title); line-height: var(--db-line-height-page-title); }
.db-auth-brand p { max-width: 48ch; margin: 0; color: var(--db-color-text-secondary); }
.db-auth-eyebrow { color: var(--db-color-accent) !important; font-size: var(--db-font-size-label); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.db-auth-security { display: flex; align-items: center; gap: var(--db-space-2); color: var(--db-color-success); font-size: var(--db-font-size-compact); }

.db-auth-form-side { position: relative; display: grid; place-items: center; padding: var(--db-space-10); }
.db-auth-form-wrap { width: min(22rem, 100%); }
.db-auth-intro { margin: var(--db-space-2) 0 var(--db-space-5); color: var(--db-color-text-secondary); }
.db-auth-theme { position: absolute; top: var(--db-space-4); right: var(--db-space-4); display: flex; gap: var(--db-space-1); padding: var(--db-space-1); border: 1px solid var(--db-color-border-default); border-radius: var(--db-radius-md); background: var(--db-color-bg-surface-raised); }
.db-auth-theme button { min-height: var(--db-control-compact); padding: 0 var(--db-space-2); border: 1px solid transparent; border-radius: var(--db-radius-sm); background: transparent; color: var(--db-color-text-secondary); cursor: pointer; font-size: var(--db-font-size-label); }
.db-auth-theme button[aria-pressed="true"] { border-color: var(--db-color-accent); background: var(--db-color-accent-subtle); color: var(--db-color-text-primary); }

.db-auth-form { display: grid; gap: var(--db-space-4); }
.db-auth-field { display: grid; gap: var(--db-space-2); }
.db-auth-field > span { color: var(--db-color-text-secondary); font-size: var(--db-font-size-label); font-weight: 600; }
.db-auth-field input { width: 100%; min-height: var(--db-control-prominent); padding: 0 var(--db-space-3); border: 1px solid var(--db-color-border-default); border-radius: var(--db-radius-md); background: var(--db-color-bg-interactive); color: var(--db-color-text-primary); }
.db-auth-field input:hover { border-color: var(--db-color-border-strong); }
.db-auth-submit { min-height: var(--db-control-prominent); border: 1px solid var(--db-color-accent); border-radius: var(--db-radius-md); background: var(--db-color-accent-subtle); color: var(--db-color-text-primary); cursor: pointer; font-weight: 700; }
.db-auth-submit:hover { border-color: var(--db-color-accent-hover); background: var(--db-color-bg-hover); }
.db-auth-meta { margin: var(--db-space-4) 0 0; color: var(--db-color-text-muted); font-size: var(--db-font-size-label); }
.db-auth-error { display: flex; align-items: flex-start; gap: var(--db-space-2); margin-bottom: var(--db-space-4); padding: var(--db-space-3); border: 1px solid var(--db-color-danger); border-radius: var(--db-radius-md); background: var(--db-color-bg-surface-raised); color: var(--db-color-danger); }

@media (max-width: 760px) {
  .db-auth-page { padding: var(--db-space-3); }
  .db-auth-shell { grid-template-columns: 1fr; }
  .db-auth-brand { min-height: 13rem; padding: var(--db-space-6); border-right: 0; border-bottom: 1px solid var(--db-color-border-default); }
  .db-auth-brand h2 { font-size: var(--db-font-size-section-title); line-height: var(--db-line-height-section-title); }
  .db-auth-logo-plate { width: 12rem; margin-bottom: var(--db-space-4); }
  .db-auth-security { margin-top: var(--db-space-4); }
  .db-auth-form-side { padding: var(--db-space-12) var(--db-space-5) var(--db-space-6); }
  .db-auth-theme { top: var(--db-space-3); right: var(--db-space-3); }
}