/* --------------------------------------------------------------------------
   Auth pages
   -------------------------------------------------------------------------- */

.auth-main {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: calc(100svh - var(--header-h));
  padding: clamp(26px, 6vw, 64px) clamp(16px, 4vw, 32px) calc(56px + env(safe-area-inset-bottom));
}

.auth-shell {
  width: 100%;
  max-width: 482px;
  padding: clamp(22px, 5.4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(500px 280px at 100% 0%, rgba(216, 180, 74, 0.07), transparent 65%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.02), transparent 55%),
    var(--card);
  box-shadow: var(--shadow);
}

.auth-heading {
  margin-bottom: 24px;
}

.auth-heading h1 {
  margin-top: 6px;
  font-size: clamp(1.95rem, 5vw, 2.55rem);
}

.auth-lede {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.auth-form {
  display: grid;
  gap: 17px;
}

.auth-form .btn-block {
  margin-top: 3px;
}

.auth-switch {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.auth-switch a {
  display: inline-block;
  margin-block: -14px;
  margin-inline: -4px;
  padding-block: 14px;
  padding-inline: 4px;
  color: var(--gold);
  font-weight: 500;
}

.auth-switch a:hover {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.auth-success {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 12px 0 4px;
  text-align: center;
}

.auth-success-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 4px;
  border: 1px solid rgba(62, 209, 155, 0.35);
  border-radius: 50%;
  background: var(--green-wash);
  color: var(--green);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.auth-success h2 {
  font-size: clamp(1.45rem, 3.5vw, 1.85rem);
}

.auth-success h2:focus {
  outline: none;
}

.auth-success p {
  max-width: 36ch;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.auth-success strong {
  color: var(--text);
  overflow-wrap: anywhere;
}

.auth-success .btn {
  width: 100%;
  margin-top: 12px;
}

.auth-invalid .auth-success-icon {
  border-color: rgba(255, 125, 103, 0.35);
  background: var(--coral-wash);
  color: var(--coral);
}

/* --------------------------------------------------------------------------
   Class selector
   -------------------------------------------------------------------------- */

.class-fieldset {
  display: grid;
  gap: 9px;
}

.class-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.class-option {
  position: relative;
  cursor: pointer;
}

.class-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.class-card {
  display: grid;
  gap: 2px;
  min-height: 62px;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: rgba(7, 7, 6, 0.35);
  transition:
    border-color 160ms var(--ease),
    background-color 160ms var(--ease),
    box-shadow 160ms var(--ease);
}

.class-option:hover .class-card {
  border-color: rgba(244, 237, 225, 0.28);
}

.class-option input:focus-visible + .class-card {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.class-option input:checked + .class-card {
  border-color: var(--line-gold);
  background: var(--gold-wash);
  box-shadow: inset 0 0 0 1px rgba(216, 180, 74, 0.12);
}

.class-name {
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
}

.class-option input:checked + .class-card .class-name {
  color: var(--gold-bright);
}

.class-year {
  color: var(--muted-2);
  font-size: 0.68rem;
}

@media (min-width: 720px) {
  .auth-main {
    align-items: center;
  }
}

@media (max-width: 359px) {
  .class-grid {
    grid-template-columns: 1fr;
  }
}