/* ================================================================
   page-auth.css — Google SSO Login Gate
   ================================================================ */

/* ── Auth Gate Container ── */
#auth-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  overflow: hidden;
}

/* ── Animated Background ── */
#auth-gate::before {
  content: '';
  position: absolute;
  inset: -50%;
  background:
    radial-gradient(ellipse 600px 600px at 20% 30%, rgba(132,125,255,0.08), transparent),
    radial-gradient(ellipse 500px 500px at 80% 70%, rgba(26,236,192,0.06), transparent),
    radial-gradient(ellipse 400px 400px at 50% 50%, rgba(255,125,125,0.04), transparent);
  animation: auth-glow 15s ease-in-out infinite;
  pointer-events: none;
}

@keyframes auth-glow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -20px) rotate(2deg); }
  66% { transform: translate(-20px, 15px) rotate(-1deg); }
}

/* ── Login Card ── */
.auth-card {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 44px 40px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow), 0 8px 40px rgba(0,0,0,0.12);
  animation: auth-card-in 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes auth-card-in {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Brand Section ── */
.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.auth-brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.auth-brand-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
}

.auth-tagline {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.5;
}

/* ── Divider ── */
.auth-divider {
  height: 1px;
  background: var(--border);
  margin: 0 0 28px;
}

/* ── Sign-In Section ── */
.auth-signin-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

/* Google Sign-In Button (custom styled) */
.auth-google-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 13px 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.auth-google-btn:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(132,125,255,0.15);
}

.auth-google-btn:active {
  transform: scale(0.98);
}

.auth-google-btn svg {
  flex-shrink: 0;
}

/* ── Google Rendered Button Fallback ── */
.auth-google-fallback {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  min-height: 44px;
}

/* ── Domain Note ── */
.auth-domain-note {
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  opacity: 0.8;
}

.auth-domain-note svg {
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── Error Message ── */
.auth-error {
  display: none;
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--tag-bg3);
  color: var(--tag-text3);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  animation: auth-shake 0.4s ease;
}

.auth-error.visible {
  display: block;
}

@keyframes auth-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* ── Loading State ── */
.auth-loading {
  display: none;
}

.auth-loading.visible {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--muted);
}

.auth-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: auth-spin 0.6s linear infinite;
}

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

/* ── User Menu (Header) ── */
.user-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  margin-right: 12px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  flex-shrink: 0;
}

.user-avatar:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(132,125,255,0.2);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow), 0 8px 30px rgba(0,0,0,0.15);
  overflow: hidden;
  z-index: 100;
  animation: auth-dropdown-in 0.15s ease;
}

.user-dropdown.open {
  display: block;
}

@keyframes auth-dropdown-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-dropdown-info {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.user-dropdown-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text);
}

.user-dropdown-email {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}

.user-dropdown-action {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  font-size: 0.82rem;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s;
  border: none;
  background: none;
  width: 100%;
  font-family: inherit;
  text-align: left;
}

.user-dropdown-action:hover {
  background: var(--surface2);
}

.user-dropdown-action svg {
  opacity: 0.6;
  flex-shrink: 0;
}

/* ── Footer attribution ── */
.auth-footer {
  position: absolute;
  bottom: 24px;
  font-size: 0.7rem;
  color: var(--muted);
  opacity: 0.4;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .auth-card {
    padding: 32px 20px 28px;
    border-radius: 16px;
    width: 92%;
  }

  .auth-brand-mark {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }

  .auth-brand-name {
    font-size: 1.4rem;
  }

  .auth-google-btn {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .auth-footer {
    bottom: 16px;
  }
}