/**
 * Marketing site — Sign in modal (OAuth entry). z-index above nav and Explore panel.
 */

.site-auth-modal {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2rem);
  box-sizing: border-box;
}

.site-auth-modal[hidden] {
  display: none;
}

.site-auth-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 12, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-auth-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(26rem, 100%);
  border-radius: var(--radius-card);
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: linear-gradient(165deg, rgba(17, 24, 39, 0.92) 0%, rgba(7, 13, 22, 0.97) 100%);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(45, 212, 191, 0.08),
    0 0 100px rgba(45, 212, 191, 0.07);
  padding: clamp(1.35rem, 3.5vw, 2rem) clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
  outline: none;
}

.site-auth-modal__close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.1);
  color: var(--color-muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-auth-modal__close:hover {
  background: rgba(148, 163, 184, 0.18);
  color: var(--color-text);
}

.site-auth-modal__close:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.site-auth-modal__title {
  margin: 0 1.75rem 0.5rem;
  font-size: clamp(1.2rem, 2.8vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.site-auth-modal__lede {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-muted);
  max-width: 22rem;
  margin-inline: auto;
}

.site-auth-modal__loadfail {
  width: 100%;
  max-width: 22rem;
  margin: 0 auto 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(251, 191, 36, 0.28);
  background: rgba(251, 191, 36, 0.06);
  text-align: center;
}

.site-auth-modal__loadfail-msg {
  margin: 0 0 0.85rem;
  font-size: 0.94rem;
  line-height: 1.5;
  color: #fde68a;
}

.site-auth-modal__loadfail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.site-auth-modal__loadfail-actions .btn {
  min-width: 8.5rem;
}

.site-auth-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: stretch;
  max-width: 20.5rem;
  margin: 0 auto 1rem;
}

.site-auth-modal__actions .btn-google,
.site-auth-modal__actions .btn-github {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

/* Misconfigured Supabase: avoid native :disabled (not-allowed cursor, no click). aria-disabled keeps SR hint. */
.site-auth-modal__actions .btn.btn-google[aria-disabled='true'],
.site-auth-modal__actions .btn.btn-github[aria-disabled='true'] {
  opacity: 0.68;
  cursor: pointer;
}

.site-auth-modal__actions .btn.btn-google[aria-disabled='true']:hover,
.site-auth-modal__actions .btn.btn-github[aria-disabled='true']:hover {
  cursor: pointer;
  opacity: 0.82;
}

.site-auth-modal__footer {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.site-auth-modal__footer a {
  color: rgba(153, 246, 212, 0.95);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 191, 0.35);
}

.site-auth-modal__footer a:hover {
  color: #ecfdf5;
  border-bottom-color: rgba(45, 212, 191, 0.55);
}

.site-auth-modal__footer a:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

body.site-auth-modal-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .site-auth-modal__backdrop {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}