.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 1rem;
  background: var(--bg-primary);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-logo h1 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-logo p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 0.25rem;
}
.auth-tab {
  flex: 1;
  padding: 0.6rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}
.auth-tab.active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.auth-error {
  background: var(--accent-red-dim);
  color: var(--accent-red);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  display: none;
}
.auth-error.visible { display: block; }