/* ==========================================
   Version Switcher — V1 ↔ V2 Navigation
   ========================================== */
.version-switcher {
  position: fixed;
  bottom: var(--space-lg, 24px);
  left: var(--space-lg, 24px);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: var(--color-glass, rgba(255,255,255,0.06));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border, rgba(255,255,255,0.1));
  border-radius: var(--radius-full, 50px);
  box-shadow: var(--shadow-md, 0 4px 20px rgba(0, 0, 0, 0.15));
  transition: all 0.3s ease;
}

[dir="rtl"] .version-switcher {
  left: auto;
  right: var(--space-lg, 24px);
}

.version-switcher:hover {
  box-shadow: var(--shadow-lg, 0 8px 30px rgba(0, 0, 0, 0.25));
  border-color: var(--color-primary, #2DB84C);
}

.version-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full, 50px);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted, #888);
  text-decoration: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.version-link:hover {
  color: var(--color-text, #fff);
  background: rgba(255,255,255,0.08);
}

.version-link.active {
  background: linear-gradient(135deg, var(--color-primary, #2DB84C), var(--color-primary-hover, #25a043));
  color: white;
  box-shadow: 0 2px 12px var(--color-primary-glow, rgba(45, 184, 76, 0.3));
}

.version-link i {
  font-size: 0.85rem;
}

/* Light mode */
[data-theme="light"] .version-switcher {
  background: rgba(255,255,255,0.85);
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .version-link:hover {
  background: rgba(0,0,0,0.04);
}