[data-page-content="auth"] {
  position: relative;
  overflow: hidden;
  padding: 0;
  color: var(--color-text);
  min-height: calc(100vh - 240px);
  background: #fff;
}

[data-page-content="auth"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,.98) 38%, rgba(255,255,255,.74) 62%, rgba(255,255,255,.16) 100%),
    url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&q=80&w=1920") center right / cover no-repeat;
  transform: scale(1.02);
  z-index: 0;
}

[data-page-content="auth"]::after {
  content: "";
  position: absolute;
  width: min(420px, 42vw);
  height: min(420px, 42vw);
  right: 4%;
  top: 8%;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(253,237,236,.82) 0%, rgba(253,237,236,.32) 44%, transparent 72%);
  z-index: 0;
  pointer-events: none;
}

.auth-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.78fr);
  align-items: center;
  min-height: inherit;
}

.auth-hero {
  padding: clamp(32px, 5vw, 72px);
  display: grid;
  align-content: center;
  gap: 30px;
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.auth-kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid rgba(148,163,184,.28);
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.auth-hero h2 {
  display: grid;
  gap: 0;
  max-width: 11ch;
  color: #111827;
  font-family: "Space Grotesk", var(--font-sans);
  font-size: clamp(3rem, 6.5vw, 5.9rem);
  font-style: normal;
  font-weight: 900;
  line-height: .88;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.auth-hero h2 span:last-child {
  color: var(--color-primary);
  font-family: "Playfair Display", var(--font-serif);
  font-style: italic;
  letter-spacing: -0.06em;
}

.auth-hero-copy {
  max-width: 48ch;
  color: var(--color-text-soft);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.72;
}

.auth-feature-list {
  display: grid;
  gap: 12px;
  max-width: 600px;
}

.auth-feature-item {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.66);
  border: 1px solid rgba(226,232,240,.78);
  box-shadow: 0 10px 30px rgba(15,23,42,.035);
  backdrop-filter: blur(10px);
}

.auth-feature-item strong {
  display: block;
  color: #111827;
  font-size: 1rem;
  font-weight: 900;
}

.auth-form-panel {
  align-self: center;
  justify-self: center;
  width: min(100%, 560px);
  padding: 22px;
  margin: 18px;
  border-radius: 28px;
  background: rgba(255,255,255,.95);
  color: var(--color-text);
  box-shadow: 0 24px 54px rgba(15,23,42,.2);
  backdrop-filter: blur(16px);
  position: relative;
  z-index: 1;
}

.auth-form-panel::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 22px;
  border: 1px solid rgba(15,23,42,.06);
  pointer-events: none;
}

.auth-form-header {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
  text-align: center;
}

.auth-form-header h2 {
  font-size: 1.6rem;
  color: var(--color-text);
}

.auth-form-body {
  display: grid;
  gap: 16px;
}

.auth-helper-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 12px;
}


.auth-link-inline {
  color: var(--color-primary);
  font-weight: 800;
}

.auth-panel-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 800;
}

.auth-panel-divider::before,
.auth-panel-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--color-border);
}

.auth-hero-headline {
  display: grid;
  gap: 0;
  text-wrap: balance;
}

.auth-feature-copy {
  color: var(--color-text-soft) !important;
  margin-top: 2px;
}

.auth-footnote {
  color: var(--color-muted);
  max-width: 48ch;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.6;
}

.auth-toggle-row {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.auth-toggle-row button {
  width: 100%;
  min-width: 0;
  min-height: 54px;
  font-size: 1rem;
  font-weight: 700;
}

@media (max-width: 1180px) {
  .auth-shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .auth-hero {
    max-width: none;
    padding-bottom: 14px;
  }
  .auth-hero h2 {
    max-width: 14ch;
    font-size: clamp(2.5rem, 8vw, 4.6rem);
  }
  .auth-form-panel {
    margin: 18px clamp(20px, 5vw, 56px) clamp(28px, 5vw, 56px);
  }
}

@media (max-width: 720px) {
  [data-page-content="auth"]::before {
    background:
      linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 58%, rgba(255,255,255,.84) 100%),
      url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&q=80&w=1200") center / cover no-repeat;
  }
  .auth-hero {
    padding: 28px 22px 8px;
    gap: 18px;
  }
  .auth-feature-list {
    display: none;
  }
  .auth-footnote {
    display: none;
  }
  .auth-form-panel {
    width: auto;
    margin: 18px;
  }
}

[data-page-content="auth"][data-auth-perspective="teacher"]::before {
  background:
    linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,.98) 38%, rgba(255,255,255,.74) 62%, rgba(255,255,255,.16) 100%),
    url("https://images.unsplash.com/photo-1434030216411-0b793f4b4173?auto=format&fit=crop&q=80&w=1920") center right / cover no-repeat;
}

.auth-perspective-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100%, 290px);
  gap: 6px;
  padding: 6px;
  border-radius: 18px;
  background: rgba(248,250,252,.92);
  border: 1px solid rgba(148,163,184,.28);
  box-shadow: 0 12px 34px rgba(15,23,42,.055);
}

.auth-perspective-toggle button {
  min-height: 42px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font: inherit;
  font-size: .88rem;
  font-weight: 900;
  transition: background .18s ease, box-shadow .18s ease, color .18s ease, transform .18s ease;
}

.auth-perspective-toggle button.active,
.auth-perspective-toggle button[aria-pressed="true"] {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(15,23,42,.08), inset 0 0 0 1px rgba(226,232,240,.9);
}

.auth-perspective-toggle button:hover {
  transform: translateY(-1px);
}

@media (max-width: 720px) {
  [data-page-content="auth"][data-auth-perspective="teacher"]::before {
    background:
      linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 58%, rgba(255,255,255,.84) 100%),
      url("https://images.unsplash.com/photo-1434030216411-0b793f4b4173?auto=format&fit=crop&q=80&w=1200") center / cover no-repeat;
  }
  .auth-perspective-toggle {
    width: 100%;
  }
}

/* V95 mobile auth landing alignment */
@media (max-width: 980px) {
  .auth-shell {
    justify-items: center;
    align-content: start;
    gap: clamp(18px, 5vw, 34px);
  }

  .auth-hero {
    width: min(100%, 760px);
    justify-items: center;
    text-align: center;
    padding: clamp(30px, 7vw, 56px) clamp(22px, 6vw, 42px) clamp(20px, 5vw, 34px) !important;
    gap: clamp(18px, 4vw, 28px);
  }

  .auth-hero .stack-md,
  .auth-hero .stack-sm {
    align-items: center;
    justify-items: center;
  }

  .auth-kicker {
    margin-inline: auto;
  }

  .auth-perspective-toggle {
    margin-inline: auto;
  }

  .auth-hero h2 {
    margin-inline: auto;
    max-width: 13ch !important;
  }

  .auth-hero-copy,
  .auth-footnote {
    margin-inline: auto;
    text-align: center;
  }

  .auth-footnote {
    display: block !important;
    max-width: 42ch !important;
    padding: 12px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, .72);
    border: 1px solid rgba(226, 232, 240, .75);
  }

  .auth-form-panel {
    margin-top: 0 !important;
  }
}

@media (max-width: 720px) {
  .auth-hero {
    padding-bottom: 18px !important;
  }

  .auth-hero h2 {
    font-size: clamp(2.15rem, 11vw, 3.25rem) !important;
    line-height: .96;
  }

  .auth-hero-copy {
    max-width: 34ch !important;
  }

  .auth-footnote {
    margin-top: 2px;
    font-size: .84rem;
    line-height: 1.55;
  }

  .auth-form-panel {
    margin: 4px 16px 24px !important;
  }
}

.auth-checking-panel {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 42px 20px;
  text-align: center;
}

.auth-checking-panel.hidden {
  display: none;
}

.auth-checking-spinner {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(127, 29, 29, 0.16);
  border-top-color: var(--charla-primary, #7f1d1d);
  border-radius: 999px;
  animation: auth-checking-spin 0.8s linear infinite;
}

@keyframes auth-checking-spin {
  to { transform: rotate(360deg); }
}