/* Shared MAMA auth shell — login / signup / forgot-password */

.auth-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 32px) clamp(14px, 3vw, 20px);
  position: relative;
  overflow: hidden;
  background: var(--bg-void);
}

.auth-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse 80% 60% at 50% 20%,
      rgba(201, 169, 98, 0.14),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(124, 58, 237, 0.08),
      transparent 40%
    ),
    var(--bg-void);
}

:root.light .auth-backdrop,
:root:not(.dark) .auth-backdrop {
  background:
    radial-gradient(
      ellipse 80% 55% at 50% 18%,
      rgba(201, 169, 98, 0.12),
      transparent 55%
    ),
    radial-gradient(
      circle at 78% 82%,
      rgba(201, 169, 98, 0.06),
      transparent 42%
    ),
    #fffaf3;
}

/* Header / site logo mark — soft, large, blurred watermark */
.auth-backdrop__mark {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  width: min(78vw, 460px);
  height: min(78vw, 460px);
  opacity: 0.22;
  filter: blur(18px) saturate(1.08);
  object-fit: contain;
  border-radius: 28%;
  user-select: none;
  pointer-events: none;
}

:root.light .auth-backdrop__mark,
:root:not(.dark) .auth-backdrop__mark {
  opacity: 0.16;
  filter: blur(20px) saturate(1.05);
}

.auth-backdrop__photo,
.auth-backdrop__veil,
.auth-backdrop__bot {
  display: none;
}

.auth-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 340px;
  background: color-mix(in srgb, var(--bg-card) 55%, transparent);
  backdrop-filter: blur(22px) saturate(1.15);
  -webkit-backdrop-filter: blur(22px) saturate(1.15);
  border: 1px solid color-mix(in srgb, var(--border-subtle) 80%, transparent);
  border-radius: 14px;
  padding: 22px 18px 20px;
  box-shadow:
    0 12px 40px color-mix(in srgb, var(--bg-void) 35%, transparent),
    inset 0 1px 0 color-mix(in srgb, #fff 8%, transparent);
}

:root.light .auth-shell,
:root:not(.dark) .auth-shell {
  background: rgba(255, 255, 255, 0.62);
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow:
    0 14px 44px rgba(40, 30, 10, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

@media (min-width: 480px) {
  .auth-shell {
    padding: 24px 20px 22px;
  }
}

.auth-shell .brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  text-align: center;
}

.auth-shell .brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--gold-border);
  object-fit: cover;
  background: color-mix(in srgb, var(--bg-elevated) 70%, transparent);
}

.auth-shell .brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.auth-shell .brand p {
  margin: 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.auth-shell .btn-social,
.auth-shell .submit {
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease,
    opacity 0.15s ease;
}

.auth-shell .btn-social:hover:not(:disabled),
.auth-shell .submit:hover:not(:disabled) {
  transform: translateY(-1px);
}

.auth-shell .btn-social:active:not(:disabled),
.auth-shell .submit:active:not(:disabled) {
  transform: translateY(0);
}

.auth-shell .links {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.auth-shell .links a {
  display: block;
  padding: 8px 4px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid
    color-mix(in srgb, var(--border-subtle) 55%, transparent);
}

.auth-shell .links a:last-child {
  border-bottom: none;
}

.auth-shell .links a:hover {
  color: var(--gold);
}

.auth-shell .hint {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.55;
  text-align: center;
}

.auth-shell .hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}