:root {
  --zenode-selection-color: #4A90E2;
  --zenode-guide-color: #ffaa00;
  --zenode-port-color: #4A90E2;
}

g.guides, g.elements-group {
  pointer-events: none;
}

.port {
  pointer-events: all;
  transition: r 0.2s cubic-bezier(0.4, 0, 0.2, 1), stroke-width 0.2s, opacity 0.2s;
}

.zenode-connection-mode .port:hover {
  r: 7px !important;
  stroke-width: 2px !important;
  opacity: 1 !important;
}

g.placed-node {
  cursor: grab;
}

g.placed-node.dragging {
  cursor: grabbing;
  opacity: 0.85;
}

g.placed-node.selected .selection-ring {
  pointer-events: none;
}

/* Context Pad */
:root {
  --zenode-contextpad-bg: rgba(28, 28, 30, 0.85);
  --zenode-contextpad-border: rgba(255, 255, 255, 0.1);
  --zenode-contextpad-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --zenode-contextpad-radius: 12px;
  --zenode-context-btn-hover: rgba(255, 255, 255, 0.1);
  --zenode-context-btn-active: rgba(74, 144, 226, 0.2);
}

.zenode-context-pad {
  animation: zenode-fade-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: all;
  background: var(--zenode-contextpad-bg);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid var(--zenode-contextpad-border);
  border-radius: var(--zenode-contextpad-radius);
  box-shadow: var(--zenode-contextpad-shadow);
  display: flex;
  gap: 6px;
  padding: 6px;
  z-index: 1000;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes zenode-fade-in {
  from { opacity: 0; transform: scale(0.95) translateY(4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

:root {
  --zenode-context-btn-width: 32px;
  --zenode-context-btn-height: 32px;
  --zenode-context-btn-padding: 0;
  --zenode-context-btn-margin: 0;
  --zenode-context-btn-color: #ebebf5;
}

.zenode-context-btn {
  width: var(--zenode-context-btn-width);
  height: var(--zenode-context-btn-height);
  padding: var(--zenode-context-btn-padding);
  margin: var(--zenode-context-btn-margin);
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--zenode-context-btn-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.zenode-context-btn:hover {
  background: var(--zenode-context-btn-hover) !important;
  color: white;
}

.zenode-context-btn.active {
  background: var(--zenode-context-btn-active) !important;
  color: var(--zenode-selection-color);
  box-shadow: inset 0 0 0 1px rgba(74, 144, 226, 0.3);
}

.zenode-context-btn.danger:hover {
  color: #ff453a !important;
  background: rgba(255, 69, 58, 0.15) !important;
}

.zenode-context-btn svg {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  width: 18px;
  height: 18px;
}

.zenode-context-btn:active {
  transform: scale(0.92);
}