@keyframes sixstep-ant-march {
  to {
    stroke-dashoffset: -24;
  }
}

.sixstep-ant-line {
  stroke-dasharray: 6 6;
  animation: sixstep-ant-march 0.7s linear infinite;
}

@keyframes sixstep-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.55);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(56, 189, 248, 0);
  }
}

.sixstep-pulse {
  animation: sixstep-pulse 1.6s ease-in-out infinite;
}

@keyframes sixstep-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.sixstep-shimmer-text {
  background-image: linear-gradient(
    90deg,
    rgba(148, 163, 184, 0.55) 0%,
    rgba(248, 250, 252, 1) 45%,
    rgba(148, 163, 184, 0.55) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sixstep-shimmer 2s linear infinite;
}

.sixstep-shimmer-text-light {
  background-image: linear-gradient(
    90deg,
    rgba(220, 38, 38, 0.45) 0%,
    rgba(190, 18, 60, 0.95) 45%,
    rgba(220, 38, 38, 0.45) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sixstep-shimmer 2s linear infinite;
}

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

.sixstep-spin-soft {
  animation: sixstep-spin-soft 1.4s linear infinite;
}

@keyframes sixstep-fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sixstep-fade-up {
  animation: sixstep-fade-up 0.32s ease-out both;
}

.sixstep-resize-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  cursor: col-resize;
  user-select: none;
  z-index: 10;
}

.sixstep-resize-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 36px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.4);
  transition: background 0.2s;
}

.sixstep-resize-handle:hover::after {
  background: rgba(56, 189, 248, 0.8);
}

@keyframes sixstep-node-pop {
  0% {
    opacity: 0;
    transform: scale(0.4);
    filter: drop-shadow(0 0 0 rgba(56, 189, 248, 0));
  }
  60% {
    opacity: 1;
    transform: scale(1.18);
    filter: drop-shadow(0 0 12px rgba(56, 189, 248, 0.8));
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter: drop-shadow(0 0 0 rgba(56, 189, 248, 0));
  }
}

.sixstep-node-pop {
  transform-box: fill-box;
  transform-origin: center;
  animation: sixstep-node-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes sixstep-ring-burst {
  0% {
    opacity: 0.85;
    r: 0;
    stroke-width: 4;
  }
  100% {
    opacity: 0;
    r: 60;
    stroke-width: 0.5;
  }
}

.sixstep-ring-burst {
  animation: sixstep-ring-burst 0.7s ease-out forwards;
  fill: none;
}

.sixstep-canvas-grab {
  cursor: grab;
}

.sixstep-canvas-grabbing {
  cursor: grabbing;
}

.sixstep-toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.sixstep-minimap-rect {
  fill: rgba(56, 189, 248, 0.18);
  stroke: rgba(56, 189, 248, 0.9);
  stroke-width: 1;
}