/* Back bar */
.fd-back-bar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* ===== FLOW DESIGNER LAYOUT ===== */
.fd-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.fd-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  gap: 8px;
  flex-shrink: 0;
}

.fd-toolbar-left,
.fd-toolbar-right { display: flex; align-items: center; gap: 4px; }
.fd-toolbar-center { flex: 1; display: flex; justify-content: center; }
.fd-toolbar-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }

.fd-flow-name-input {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
  padding: 5px 12px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  width: 250px;
  outline: none;
}
.fd-flow-name-input:focus { border-color: var(--accent); }

.fd-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.fd-sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
}

.fd-sidebar-title {
  padding: 12px 14px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.fd-category { border-bottom: 1px solid var(--border); }

.fd-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.fd-category-header:hover { color: var(--text-primary); }
.fd-cat-arrow { font-size: 10px; transition: transform 0.2s; }
.fd-category.collapsed .fd-cat-arrow { transform: rotate(-90deg); }
.fd-category.collapsed .fd-category-body { display: none; }

.fd-category-body { padding: 4px 8px 8px; }

.fd-module-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-xs);
  cursor: grab;
  transition: background 0.15s;
  font-size: 12px;
  color: var(--text-secondary);
  user-select: none;
}
.fd-module-card:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.fd-module-card:active { cursor: grabbing; }
.fd-module-icon { font-size: 15px; flex-shrink: 0; }
.fd-module-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== CANVAS ===== */
.fd-canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#fd-canvas {
  width: 100%;
  height: 100%;
}

/* ===== PROPERTY EDITOR ===== */
.fd-properties {
  width: 280px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.fd-props-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.fd-props-header h4 { font-size: 13px; font-weight: 600; }

.fd-props-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.fd-props-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding: 30px 10px;
}

.fd-props-node-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-primary);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-xs);
  margin-bottom: 14px;
}
.fd-props-icon { font-size: 20px; }
.fd-props-node-header strong { font-size: 14px; }
.fd-props-type { font-size: 11px; color: var(--text-muted); }

.fd-props-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin: 14px 0 6px;
}

.fd-props-outputs { display: flex; flex-direction: column; gap: 4px; }
.fd-props-output-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}
.fd-output-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.fd-properties .form-group { margin-bottom: 10px; }
.fd-properties .form-group label { font-size: 12px; margin-bottom: 3px; }
.fd-properties .form-input { font-size: 12px; padding: 6px 8px; }

/* ===== DRAWFLOW LIGHT THEME OVERRIDES ===== */
.drawflow {
  background: var(--bg-primary);
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 20px 20px;
}

.drawflow .drawflow-node {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  min-width: 160px;
  padding: 0;
  box-shadow: var(--shadow);
}

.drawflow .drawflow-node:hover {
  border-color: var(--accent);
}

.drawflow .drawflow-node.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), var(--shadow);
}

.drawflow .drawflow-node .inputs,
.drawflow .drawflow-node .outputs {
  display: flex;
  align-items: center;
}

.drawflow .drawflow-node .input,
.drawflow .drawflow-node .output {
  width: 12px;
  height: 12px;
  background: var(--bg-tertiary);
  border: 2px solid var(--text-muted);
  border-radius: 50%;
}

.drawflow .drawflow-node .input:hover,
.drawflow .drawflow-node .output:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.drawflow .connection .main-path {
  stroke: var(--accent);
  stroke-width: 2;
}

.drawflow .connection .main-path:hover {
  stroke: var(--warning);
  stroke-width: 3;
}

.drawflow .drawflow-delete {
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== NODE CONTENT STYLING ===== */
.fd-node {
  min-width: 150px;
}

.fd-node-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  border-top: 3px solid var(--node-color, var(--accent));
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: rgba(255,255,255,0.02);
}

.fd-node-icon { font-size: 15px; }
.fd-node-label { font-size: 12px; font-weight: 600; white-space: nowrap; }

.fd-node-desc {
  padding: 4px 12px 6px;
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.fd-node-outputs {
  display: flex;
  justify-content: space-around;
  padding: 2px 8px 6px;
}

.fd-output-tag {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  padding: 1px 6px;
  background: var(--bg-primary);
  border-radius: 3px;
}

/* ===== FLOW LIST (Load Modal) ===== */
.fd-flow-list { display: flex; flex-direction: column; gap: 4px; }
.fd-flow-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-xs);
  font-size: 13px;
}
.fd-flow-list-item div { display: flex; gap: 4px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .fd-sidebar { width: 160px; }
  .fd-properties { width: 240px; }
}
@media (max-width: 700px) {
  .fd-sidebar { display: none; }
  .fd-properties { width: 200px; }
}