@use "../../../../wc";

:host {
  --node-accent: rgb(var(--zn-color-primary));
  --port-size: 11px;

  position: absolute;
  top: 0;
  left: 0;
  display: block;
  user-select: none;
  touch-action: none;
}

:host([dragging]) .card {
  cursor: grabbing;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0 10px;
  background: rgb(var(--zn-panel));
  border: 1px solid rgb(var(--zn-border-color));
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(var(--zn-shadow), 0.4);
  cursor: grab;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;

  &:hover {
    border-color: rgb(var(--zn-color-border-active));
  }

  &.selected {
    border-color: var(--node-accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--node-accent) 35%, transparent);
  }

  // A stray branch is snapped here — glow as the drop target.
  &.link-target {
    border-color: rgb(var(--zn-color-primary));
    box-shadow: 0 0 0 3px color-mix(in srgb, rgb(var(--zn-color-primary)) 30%, transparent);
  }

  &.error {
    border-color: rgb(var(--zn-color-error));
    background: color-mix(in srgb, rgb(var(--zn-color-error)) 6%, rgb(var(--zn-panel)));
  }
}

.body {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: var(--node-accent);
  background: color-mix(in srgb, var(--node-accent) 14%, transparent);
}

.text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1 1 auto;

  .title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgb(var(--zn-text));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .subtitle {
    font-size: 0.75rem;
    color: rgb(var(--zn-color-muted-text));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

// Sits flush with the body padding, mirroring the icon tile's edge gap.
.menu {
  flex: 0 0 auto;
}

zn-menu-item.danger {
  color: rgb(var(--zn-color-error));
}

.ports {
  position: absolute;
  left: 0;
  width: 100%;
  height: 0;

  &--in {
    top: 0;
  }

  &--out {
    bottom: 0;
  }
}

.port {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%); // centre the dot on both the edge and the port x
  width: var(--port-size);
  height: var(--port-size);
  border-radius: 50%;
  background: rgb(var(--zn-panel));
  border: 2px solid var(--node-accent);
  box-sizing: border-box;
  pointer-events: none;

  // Input ports ease in and out of the snap highlight with the same timing as
  // the output ports' hover effect.
  &--in {
    transition: transform 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;

    // The snapped arrow lands on the input — light the port up while targeted.
    :host([link-target]) & {
      transform: translate(-50%, -50%) scale(1.4);
      background: rgb(var(--zn-color-primary));
      border-color: rgb(var(--zn-color-primary));
      box-shadow: 0 0 0 4px color-mix(in srgb, rgb(var(--zn-color-primary)) 25%, transparent);
    }
  }

  // Output ports are the branch spawn points: hover to highlight, click to start
  // a branch that follows the cursor to its target node.
  &--out {
    pointer-events: auto;
    cursor: pointer;
    transition: transform 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;

    &:hover {
      transform: translate(-50%, -50%) scale(1.4);
      background: var(--node-accent);
      box-shadow: 0 0 0 4px color-mix(in srgb, var(--node-accent) 25%, transparent);
    }
  }

  // Anchored at the card edge, at its horizontal position (set inline as left:%).
  &-wrap {
    position: absolute;
  }

  // Output labels (e.g. TRUE / FALSE) sit just below the card edge, beside the
  // outgoing arrow — never overlapping the card content.
  &-label {
    position: absolute;
    top: calc(var(--port-size) / 2 + 3px);
    left: 8px;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgb(var(--zn-color-muted-text));
    white-space: nowrap;
    pointer-events: none;
  }
}