/* Auth page styles */
.auth-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-primary);
  padding: 20px;
  position: relative; overflow: hidden;
}

/* Animated background blobs */
.auth-page::before, .auth-page::after {
  content: '';
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.15; animation: float 8s ease-in-out infinite;
  pointer-events: none;
}
.auth-page::before {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent), transparent);
  top: -150px; left: -150px;
}
.auth-page::after {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #8b5cf6, transparent);
  bottom: -100px; right: -100px;
  animation-delay: -4s; animation-direction: alternate;
}
@keyframes float {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(20px,30px) scale(1.05); }
}

.auth-container {
  width: 100%; max-width: 420px;
  position: relative; z-index: 1;
}

.auth-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 32px; justify-content: center;
}
.auth-logo-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; box-shadow: var(--shadow-glow);
}
.auth-logo-text { font-size: 1.5rem; font-weight: 800; }
.auth-logo-text span { color: var(--accent); }

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.auth-tabs {
  display: flex; background: var(--bg-input);
  border-radius: var(--radius); padding: 4px; gap: 4px;
  margin-bottom: 28px;
}
.auth-tab {
  flex: 1; padding: 8px; border: none; background: transparent;
  color: var(--text-secondary); font-family: inherit; font-size: 0.875rem;
  font-weight: 500; cursor: pointer; border-radius: var(--radius-sm);
  transition: var(--transition);
}
.auth-tab.active {
  background: var(--bg-card); color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form-panel { display: none; }
.auth-form-panel.active { display: flex; flex-direction: column; gap: 16px; }

.auth-submit {
  margin-top: 8px;
  width: 100%; padding: 12px;
  font-size: 0.95rem; font-weight: 600;
  justify-content: center;
}

.auth-footer {
  text-align: center; margin-top: 16px;
  font-size: 0.8rem; color: var(--text-muted);
}

.auth-divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-muted); font-size: 0.78rem; margin: 4px 0;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; border-top: 1px solid var(--border);
}

/* Loading state */
.loading-overlay {
  position: fixed; inset: 0; background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  z-index: 9000;
  transition: opacity 0.5s ease;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-spinner {
  width: 48px; height: 48px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}