/* ==========================================================================
   Authentication pages (Phase 14)
   Split layout: family artwork + form. Stacks on mobile.
   ========================================================================== */

.auth-page { min-height: 72vh; display: grid; align-items: center; }

.auth-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 60rem;
  margin-inline: auto;
  border-radius: var(--kh-radius-xl);
  overflow: hidden;
  box-shadow: var(--kh-shadow-md);
  border: 1px solid var(--kh-border);
  background-color: var(--kh-surface);
}

/* Artwork panel */
.auth-split__art {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--kh-space-2xl) var(--kh-space-xl);
  text-align: center;
  color: #fff;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.16), transparent 45%),
    linear-gradient(150deg, var(--kh-primary), var(--kh-explorer) 70%, var(--kh-teal));
}
.auth-split__art-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5.5rem;
  height: 5.5rem;
  margin-bottom: var(--kh-space-md);
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.18);
  font-size: 2.75rem;
}
.auth-split__art-title {
  font-family: var(--kh-font-display);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1.3;
}
.auth-split__art-text { font-weight: 600; opacity: 0.92; max-width: 22rem; }

/* Form panel */
.auth-split__form { padding: var(--kh-space-2xl) var(--kh-space-xl); }
.auth-title { font-family: var(--kh-font-display); font-weight: 600; font-size: var(--kh-text-page); color: var(--kh-primary); margin: 0.25rem 0 0.25rem; }
.auth-sub { color: var(--kh-text-secondary); font-weight: 600; margin-bottom: var(--kh-space-lg); }

.auth-form .form-label { font-weight: 800; color: var(--kh-text-primary); }
.auth-form .form-control { border-color: var(--kh-border); border-radius: var(--kh-radius-md); min-height: var(--kh-touch); }
.auth-form .form-control:focus { border-color: var(--scope-accent); box-shadow: 0 0 0 0.25rem rgba(58, 123, 213, 0.15); }

.auth-password { position: relative; }
.auth-password .form-control { padding-right: 4rem; }
.auth-password__toggle {
  position: absolute;
  top: 50%;
  right: 0.4rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--kh-touch);
  height: var(--kh-touch);
  border: 0;
  border-radius: var(--kh-radius-md);
  background: transparent;
  color: var(--kh-text-secondary);
  font-size: 1.15rem;
}
.auth-password__toggle:hover { background-color: var(--scope-accent-light); color: var(--scope-accent-dark); }
.auth-password__toggle:focus-visible { outline: 3px solid var(--scope-accent); outline-offset: 1px; }

.auth-help { display: block; margin-top: 0.35rem; color: var(--kh-text-secondary); font-weight: 600; }
.auth-switch { text-align: center; color: var(--kh-text-secondary); font-weight: 600; margin-top: var(--kh-space-lg); margin-bottom: 0; }
.auth-switch a { font-weight: 800; color: var(--scope-accent-dark); }

@media (max-width: 767.98px) {
  .auth-split { grid-template-columns: 1fr; }
  .auth-split__art { padding: var(--kh-space-xl) var(--kh-space-lg); }
  .auth-split__art-icon { width: 4rem; height: 4rem; font-size: 2rem; margin-bottom: 0.5rem; }
  .auth-split__form { padding: var(--kh-space-xl) var(--kh-space-lg); }
}