/* =====================================================
   AI FACTORY BUILDER — workspace.css
   ===================================================== */

/* ── Workspace container ───────────────────────── */
#workspace-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background: var(--bg-void);
}

/* ── The infinite scrollable workspace ─────────── */
#workspace {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: default;
}

#workspace.panning        { cursor: grab; }
#workspace.panning-active { cursor: grabbing; }
#workspace.connecting-port { cursor: crosshair; }

/* The world — transforms via JS (translate + scale) */
#workspace-world {
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 0;
  transform-origin: 0 0;
}

/* ── Grid background ───────────────────────────── */
/* background-size and background-position set entirely by JS in _updateGrid().
   CSS provides only the gradient images. JS computes sizes + offsets every
   view-change so dots always land on exact snap-grid world coordinates. */
#workspace-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.15) 1px, transparent 1px),
    radial-gradient(circle, rgba(74,122,255,0.20) 1.5px, transparent 1.5px);
}

/* ── SVG Pipeline layer ────────────────────────── */
#pipeline-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: var(--z-pipeline);
  overflow: visible;
}

#pipeline-layer .pipeline-path {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: stroke;
  cursor: pointer;
  transition: stroke-width var(--anim-fast);
}

#pipeline-layer .pipeline-path:hover    { stroke-width: 3.5; }
#pipeline-layer .pipeline-path.selected { stroke-width: 3; filter: drop-shadow(0 0 4px currentColor); }

#pipeline-layer .pipeline-path.type-text    { stroke: var(--port-text); }
#pipeline-layer .pipeline-path.type-number  { stroke: var(--port-number); }
#pipeline-layer .pipeline-path.type-bool    { stroke: var(--port-bool); }
#pipeline-layer .pipeline-path.type-json    { stroke: var(--port-json); }
#pipeline-layer .pipeline-path.type-image   { stroke: var(--port-image); }
#pipeline-layer .pipeline-path.type-trigger { stroke: var(--port-trigger); }
#pipeline-layer .pipeline-path.type-any     { stroke: var(--port-any); }

/* Active drawing pipeline */
#pipeline-drawing {
  fill: none;
  stroke: var(--accent-cyan);
  stroke-width: 2;
  stroke-dasharray: 6 4;
  stroke-linecap: round;
  animation: dash-flow 0.8s linear infinite;
  pointer-events: none;
}
@keyframes dash-flow { to { stroke-dashoffset: -20; } }

/* ── Block layer ───────────────────────────────── */
#block-layer {
  position: absolute;
  top: 0; left: 0;
  z-index: var(--z-block);
  pointer-events: none;
}

/* ── Individual blocks ─────────────────────────── */
/* ── Individual blocks ─────────────────────────── */
/*
 * Uniform block design — 220px fixed width, consistent port layout,
 * 4px category stripe, compact header, slim status footer.
 */
.factory-block {
  position: absolute;
  width: 220px;
  border-radius: 8px;
  border: 1.5px solid color-mix(in srgb, var(--border-block) 68%, var(--block-color, var(--accent-blue)) 32%);
  background: var(--bg-block);
  pointer-events: all;
  cursor: default;
  transition: border-color var(--anim-fast), box-shadow var(--anim-fast);
  will-change: transform;
  box-shadow:
    0 4px 20px rgba(0,0,0,0.6),
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 0 0 1px color-mix(in srgb, transparent 80%, var(--block-color, var(--accent-blue)) 20%) inset;
}

.factory-block:hover {
  border-color: color-mix(in srgb, var(--border-block-hover) 60%, var(--block-color, var(--accent-blue)) 40%);
  box-shadow:
    0 8px 28px rgba(0,0,0,0.65),
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 0 0 1px color-mix(in srgb, transparent 70%, var(--block-color, var(--accent-blue)) 30%) inset;
  z-index: calc(var(--z-block) + 1);
}

.factory-block.selected {
  border-color: var(--accent-blue);
  box-shadow:
    0 0 0 1.5px var(--accent-blue),
    0 6px 28px rgba(74,122,255,0.35),
    0 1px 0 rgba(255,255,255,0.05) inset;
}

.factory-block.dragging {
  z-index: var(--z-dragging);
  cursor: grabbing;
  opacity: 0.92;
  box-shadow: 0 24px 56px rgba(0,0,0,0.65), 0 0 0 1.5px var(--border-accent);
}

.factory-block.running .block-header {
  animation: block-pulse 1.8s ease-in-out infinite;
}
@keyframes block-pulse {
  0%,100% { border-bottom-color: rgba(255,255,255,0.05); }
  50% { border-bottom-color: var(--accent-green); box-shadow: 0 2px 10px rgba(0,255,157,0.2) inset; }
}

/* ── Header ─────────────────────────────────────── */
.block-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 8px 9px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.055);
  border-radius: 7px 7px 0 0;
  cursor: grab;
  position: relative;
  overflow: hidden;
  background: var(--bg-block-header);
  min-height: 38px;
}

/* 4px category colour stripe */
.block-header::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--block-color, var(--accent-blue));
  box-shadow: 0 0 12px var(--block-color, var(--accent-blue));
}

/* Top gradient above stripe */
.block-header::after {
  content: '';
  position: absolute;
  top: 0; left: 4px; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--block-color, var(--accent-blue)) 35%, transparent) 0%,
    transparent 65%);
}

.block-header:active { cursor: grabbing; }

.block-icon {
  font-size: 15px;
  flex-shrink: 0;
  line-height: 1;
  opacity: 0.9;
}

.block-title {
  flex: 1;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}

/* ── Action buttons ──────────────────────────────── */
.block-actions {
  display: flex;
  gap: 1px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity var(--anim-fast);
}

.factory-block:hover .block-actions,
.factory-block.selected .block-actions { opacity: 1; }

.block-action-btn {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-dim);
  transition: color var(--anim-fast), background var(--anim-fast);
}
.block-action-btn:hover            { color: var(--text-bright); background: rgba(255,255,255,0.09); }
.block-action-btn.delete-btn:hover { color: var(--accent-red);  background: rgba(255,61,90,0.14); }

.block-action-btn.results-btn.has-results {
  color: var(--accent-green);
  opacity: 1 !important;
  animation: result-glow 2.4s ease-in-out infinite;
}
@keyframes result-glow {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

/* ── Body ─────────────────────────────────────────── */
.block-body {
  padding: 10px 0;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  background: var(--bg-block);
}

.block-ports-in {
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: flex-start;
  flex: 1;
}

.block-ports-out {
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: flex-end;
  flex: 1;
}

/* Inline display preview (output-display block) */
.block-display-preview {
  flex: 1;
  padding: 5px 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-base);
  background: rgba(0,0,0,0.22);
  border-radius: 4px;
  border: 1px solid var(--border-dim);
  max-height: 80px;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
  margin: 0 8px;
}

/* ── Ports ─────────────────────────────────────── */
.block-port-row {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding-right: 8px;
}

.block-port-row.out {
  flex-direction: row-reverse;
  padding-right: 0;
  padding-left: 8px;
}

.port-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--port-color, var(--port-any));
  background: var(--bg-block);
  cursor: crosshair;
  transition: background var(--anim-fast), transform var(--anim-fast), box-shadow var(--anim-fast);
  flex-shrink: 0;
  position: relative;
  z-index: var(--z-port);
  margin-left: -7px;   /* input dots bleed outside left edge */
}
.block-port-row.out .port-dot {
  margin-left: 0;
  margin-right: -7px;  /* output dots bleed outside right edge */
}

.port-dot::after {
  content: '';
  position: absolute;
  inset: -7px;
}

.port-dot:hover,
.port-dot.highlighted {
  background: var(--port-color, var(--port-any));
  transform: scale(1.4);
  box-shadow: 0 0 10px var(--port-color, var(--port-any));
}

.port-dot.connected { background: var(--port-color, var(--port-any)); }
.port-dot.has-value { background: var(--port-color, var(--port-any)); box-shadow: 0 0 5px var(--port-color, var(--port-any)); }

.port-dot[data-type="text"]    { --port-color: var(--port-text); }
.port-dot[data-type="number"]  { --port-color: var(--port-number); }
.port-dot[data-type="bool"]    { --port-color: var(--port-bool); }
.port-dot[data-type="json"]    { --port-color: var(--port-json); }
.port-dot[data-type="image"]   { --port-color: var(--port-image); }
.port-dot[data-type="trigger"] { --port-color: var(--port-trigger); }
.port-dot[data-type="any"]     { --port-color: var(--port-any); }

.port-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* ── Status bar ────────────────────────────────── */
.block-status {
  padding: 4px 10px 4px 14px;
  border-top: 1px solid rgba(0,0,0,0.28);
  border-radius: 0 0 7px 7px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-dim);
  background: rgba(0,0,0,0.15);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 20px;
  line-height: 20px;
}
.block-status.status-running    { color: var(--accent-green); }
.block-status.status-preparing  { color: var(--accent-cyan); animation: prep-pulse 1.2s ease-in-out infinite; }
.block-status.status-error      { color: var(--accent-red); }
.block-status.status-waiting    { color: var(--accent-orange); }
.block-status.status-done       { color: var(--accent-cyan); }

@keyframes prep-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Resize handle ─────────────────────────────── */
.block-resize-handle {
  position: absolute;
  bottom: 0; right: 0;
  width: 14px; height: 14px;
  cursor: se-resize;
  opacity: 0;
  transition: opacity var(--anim-base);
  background-image: linear-gradient(
    135deg,
    transparent 33%, var(--border-bright) 33%, var(--border-bright) 40%,
    transparent 40%, transparent 60%, var(--border-bright) 60%, var(--border-bright) 67%,
    transparent 67%
  );
  border-radius: 0 0 7px 0;
  z-index: 20;
}
.factory-block:hover .block-resize-handle,
.factory-block.selected .block-resize-handle { opacity: 0.6; }
.factory-block:hover .block-resize-handle:hover { opacity: 1; }

/* ── Port value indicators ─────────────────────── */
.port-dot.has-value {
  background: var(--port-color, var(--port-any));
  box-shadow: 0 0 4px var(--port-color, var(--port-any));
}

/* ── Selection rect ────────────────────────────── */
#selection-rect {
  position: absolute;
  border: 1px solid var(--accent-blue);
  background: rgba(74,122,255,0.06);
  pointer-events: none;
  z-index: var(--z-window);
  border-radius: 2px;
}

/* ── Window layer ──────────────────────────────── */
#window-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-window);
}