/* assets/workflow-canvas.css
 *
 * Sprint 8: Advanced Visual Canvas styles.
 * Reuses existing tokens for dark/light theme parity.
 *
 * The canvas is an OPTIONAL view rendered into #wbCanvasRoot inside the
 * builder. The Linear Builder remains the default view and is never
 * hidden on first load.
 */

.wbc-root {
  position: relative;
  display: none;
}
.wbc-root[data-active="true"] { display: block; }

/* -- View toggle (Linear / Canvas) -------------------------------- */
.wb-view-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
  padding: 4px;
  border: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--bg-panel) 90%, var(--text) 10%);
  border-radius: 999px;
  width: max-content;
}
.wb-view-tab {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
}
.wb-view-tab[aria-pressed="true"] {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.wb-view-tab:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* -- Mobile fallback note --------------------------------------- */
.wbc-mobile-note {
  display: none;
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-xl);
  padding: 16px;
  background: color-mix(in srgb, var(--info) 8%, transparent);
  color: var(--info);
  font-size: 0.85rem;
}
@media (max-width: 600px) {
  .wbc-mobile-note { display: block; }
}

/* -- Toolbar --------------------------------------------------- */
.wbc-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 10px;
}
.wbc-toolbar-spacer { flex: 1 1 auto; }
.wbc-toolbar-status {
  font-size: 0.78rem;
  color: var(--muted);
}

/* Buttons share the .wb-btn family from workflow-builder.css. We add
   only the canvas-specific helpers here. */

/* -- Canvas surface -------------------------------------------- */
.wbc-canvas-frame {
  position: relative;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.wbc-canvas-surface {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: auto;
  background-image:
    radial-gradient(circle, color-mix(in srgb, var(--text) 14%, transparent) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: 0 0;
}

.wbc-canvas-world {
  position: relative;
  min-width: 100%;
  min-height: 100%;
}

/* -- Edges (SVG layer behind nodes) ----------------------------- */
.wbc-edges {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}
.wbc-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--primary) 55%, var(--border-soft));
  stroke-width: 2;
  opacity: 0.85;
}
.wbc-edge[data-kind="json"]   { stroke: color-mix(in srgb, var(--info) 75%, var(--border-soft)); }
.wbc-edge[data-kind="yaml"]   { stroke: color-mix(in srgb, var(--warning) 55%, var(--border-soft)); }
.wbc-edge[data-kind="csv"]    { stroke: color-mix(in srgb, var(--success) 50%, var(--border-soft)); }
.wbc-edge[data-kind="jwt"]    { stroke: color-mix(in srgb, var(--danger) 50%, var(--border-soft)); }
.wbc-edge[data-kind="base64"] { stroke: color-mix(in srgb, var(--primary) 70%, var(--border-soft)); }
.wbc-edge[data-kind="url"]    { stroke: color-mix(in srgb, var(--info) 60%, var(--border-soft)); }
.wbc-edge[data-kind="lines"]  { stroke: color-mix(in srgb, var(--success) 60%, var(--border-soft)); }
.wbc-edge[data-kind="hash"]   { stroke: color-mix(in srgb, var(--muted) 70%, var(--border-soft)); }

.wbc-edge-label {
  font-size: 10px;
  fill: var(--muted);
  paint-order: stroke;
  stroke: var(--bg-panel);
  stroke-width: 3;
}

/* -- Nodes ---------------------------------------------------- */
.wbc-node {
  position: absolute;
  width: 220px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 6px;
  user-select: none;
  cursor: grab;
}
.wbc-node:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.wbc-node[data-dragging="true"] { cursor: grabbing; opacity: 0.94; }
.wbc-node[data-selected="true"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 35%, transparent), var(--shadow-soft);
}

.wbc-node[data-type="input"]  { border-style: dashed; }
.wbc-node[data-type="output"] { border-style: dashed; }

.wbc-node[data-status="running"]            { border-color: color-mix(in srgb, var(--info) 60%, var(--border-soft)); }
.wbc-node[data-status="success"]            { border-color: color-mix(in srgb, var(--success) 50%, var(--border-soft)); }
.wbc-node[data-status="failed"]             { border-color: color-mix(in srgb, var(--danger) 55%, var(--border-soft)); }
.wbc-node[data-status="blocked"],
.wbc-node[data-status="manual_required"],
.wbc-node[data-status="handoff_required"]   { border-color: color-mix(in srgb, var(--warning) 55%, var(--border-soft)); }

.wbc-node-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.wbc-node-title { font-weight: 600; font-size: 0.92rem; color: var(--text); margin: 0; }
.wbc-node-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.7rem; color: var(--muted); }

.wbc-node-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
}
.wbc-node-status[data-state="pending"]            { background: color-mix(in srgb, var(--muted) 14%, transparent); color: var(--muted); }
.wbc-node-status[data-state="running"]            { background: color-mix(in srgb, var(--info) 16%, transparent); color: var(--info); }
.wbc-node-status[data-state="success"]            { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.wbc-node-status[data-state="failed"]             { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.wbc-node-status[data-state="blocked"],
.wbc-node-status[data-state="manual_required"],
.wbc-node-status[data-state="handoff_required"]   { background: color-mix(in srgb, var(--warning) 16%, transparent); color: var(--warning); }
.wbc-node-status[data-state="cancelled"],
.wbc-node-status[data-state="skipped"]            { background: color-mix(in srgb, var(--muted) 16%, transparent); color: var(--muted); }

.wbc-node-meta { display: flex; flex-wrap: wrap; gap: 4px; font-size: 0.7rem; color: var(--muted); }
.wbc-node-meta-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
}

.wbc-node-config {
  font-size: 0.74rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-word;
}

.wbc-node-preview {
  margin: 0;
  padding: 6px 8px;
  background: color-mix(in srgb, var(--bg-panel) 92%, var(--text) 8%);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 72px;
  overflow: hidden;
}

.wbc-node-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}

.wbc-node-action-btn {
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 0.74rem;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
}
.wbc-node-action-btn:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border-soft));
  color: var(--primary);
}
.wbc-node-action-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.wbc-node-action-btn[data-tone="danger"] {
  border-color: color-mix(in srgb, var(--danger) 30%, var(--border-soft));
  color: var(--danger);
}

.wbc-summary {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* -- Selected node detail / config panel --------------------- */
.wbc-detail {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  padding: 14px;
  margin-top: 12px;
  box-shadow: var(--shadow-soft);
}
.wbc-detail[hidden] { display: none; }

.wbc-detail-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline;
  gap: 8px;
}
.wbc-detail-head h3 { margin: 0; font-size: 0.98rem; }