/* ============================================================
   create.css - Styles for the interactive flowchart builder
   ============================================================ */

/* ----------------------------------------
   Page layout
   ---------------------------------------- */
.create-page {
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.create-page .nav {
  flex-shrink: 0;
  position: relative;
  z-index: 100;
}

.create-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - 56px);
}

/* ----------------------------------------
   Canvas
   ---------------------------------------- */
.canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #07101f;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(56, 115, 180, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(79, 195, 247, 0.05) 0%, transparent 45%);
  cursor: default;
}

/* Subtle dot grid */
.canvas-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* World div — transformed for zoom/pan */
.world {
  position: absolute;
  inset: 0;
  transform-origin: 0 0;
  z-index: 2;
}

/* SVG connection layer */
.conn-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: 0 0;
  z-index: 1;
  pointer-events: none;
  overflow: visible;
}

.conn-svg .conn-path {
  pointer-events: stroke;
  cursor: pointer;
}

/* ----------------------------------------
   Nodes
   ---------------------------------------- */
.node {
  position: absolute;
  min-width: 110px;
  max-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 16px 10px;
  border-radius: 12px;
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  cursor: grab;
  user-select: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  z-index: 10;
}

.node:hover {
  border-color: rgba(79, 195, 247, 0.4);
  box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.08);
}

.node.selected {
  border-color: #4fc3f7;
  box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.18);
}

.node-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.node-icon svg {
  width: 18px;
  height: 18px;
}

.node-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary, #e2e8f0);
  text-align: center;
  line-height: 1.3;
  outline: none;
  cursor: text;
  min-width: 40px;
  word-break: break-word;
}

.node-label:focus {
  border-bottom: 1px dashed rgba(79, 195, 247, 0.5);
}

/* Node type colors */
.node--user    { border-color: rgba(52, 211, 153, 0.25); }
.node--user    .node-icon { background: rgba(52, 211, 153, 0.12); color: #34d399; }
.node--agent   { border-color: rgba(167, 139, 250, 0.25); }
.node--agent   .node-icon { background: rgba(167, 139, 250, 0.12); color: #a78bfa; }
.node--mcp     { border-color: rgba(79, 195, 247, 0.25); }
.node--mcp     .node-icon { background: rgba(79, 195, 247, 0.12); color: #4fc3f7; }
.node--tool    { border-color: rgba(251, 146, 60, 0.25); }
.node--tool    .node-icon { background: rgba(251, 146, 60, 0.12); color: #fb923c; }
.node--response { border-color: rgba(45, 212, 191, 0.25); }
.node--response .node-icon { background: rgba(45, 212, 191, 0.12); color: #2dd4bf; }
.node--skill   { border-color: rgba(244, 114, 182, 0.25); }
.node--skill   .node-icon { background: rgba(244, 114, 182, 0.12); color: #f472b6; }
.node--registry { border-color: rgba(129, 140, 248, 0.25); }
.node--registry .node-icon { background: rgba(129, 140, 248, 0.12); color: #818cf8; }
.node--custom  { border-color: rgba(148, 163, 184, 0.2); }
.node--custom  .node-icon { background: rgba(148, 163, 184, 0.08); color: #94a3b8; }

/* Port dots (shown on hover) */
.node-ports {
  position: absolute;
  inset: -6px;
  pointer-events: none;
}

.port {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(79, 195, 247, 0.7);
  border: 2px solid #0a1628;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: all;
  cursor: crosshair;
  z-index: 20;
}

.node:hover .port,
.node.port-active .port {
  opacity: 1;
}

.port--top    { top: 0; left: 50%; transform: translate(-50%, 0); }
.port--right  { right: 0; top: 50%; transform: translate(0, -50%); }
.port--bottom { bottom: 0; left: 50%; transform: translate(-50%, 0); }
.port--left   { left: 0; top: 50%; transform: translate(0, -50%); }

/* ----------------------------------------
   Connections
   ---------------------------------------- */
.conn-path {
  fill: none;
  stroke: rgba(79, 195, 247, 0.45);
  stroke-width: 2;
  marker-end: url(#arrowhead);
  transition: stroke 0.15s;
}

.conn-path:hover,
.conn-path.selected {
  stroke: #4fc3f7;
  stroke-width: 2.5;
  marker-end: url(#arrowhead-selected);
}

.conn-label-text {
  fill: #94a3b8;
  font-size: 11px;
  font-family: 'Inter', 'SF Pro Display', system-ui, sans-serif;
  text-anchor: middle;
  pointer-events: none;
  paint-order: stroke;
  stroke: #07101f;
  stroke-width: 3px;
}

/* Draft connection line while dragging */
.draft-path {
  fill: none;
  stroke: rgba(79, 195, 247, 0.35);
  stroke-width: 1.5;
  stroke-dasharray: 6 4;
  pointer-events: none;
}

/* ----------------------------------------
   Zoom controls
   ---------------------------------------- */
.zoom-controls {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(10, 22, 40, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 4px 6px;
  backdrop-filter: blur(12px);
  z-index: 50;
}

.zoom-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-secondary, #94a3b8);
  font-size: 1rem;
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  line-height: 1;
}

.zoom-btn:hover {
  background: rgba(79, 195, 247, 0.1);
  color: #4fc3f7;
}

.zoom-btn--reset {
  font-size: 0.85rem;
}

.zoom-level {
  font-size: 0.7rem;
  font-family: var(--font-mono, monospace);
  color: var(--text-muted, #64748b);
  min-width: 36px;
  text-align: center;
}

/* ----------------------------------------
   Canvas hint (empty state)
   ---------------------------------------- */
.canvas-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.3s;
}

.canvas-hint.hidden {
  opacity: 0;
}

.canvas-hint-icon {
  width: 56px;
  height: 56px;
  color: rgba(79, 195, 247, 0.2);
}

.canvas-hint-icon svg {
  width: 100%;
  height: 100%;
}

.canvas-hint p {
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.4);
  text-align: center;
  max-width: 240px;
  line-height: 1.5;
}

/* ----------------------------------------
   Right Sidebar
   ---------------------------------------- */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: rgba(8, 17, 33, 0.95);
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 50;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }

.sidebar-section {
  padding: 16px 14px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted, #64748b);
  margin-bottom: 10px;
}

/* Template button */
.template-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  background: rgba(79, 195, 247, 0.06);
  border: 1px solid rgba(79, 195, 247, 0.18);
  border-radius: 8px;
  color: #4fc3f7;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-align: left;
}

.template-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.template-btn:hover {
  background: rgba(79, 195, 247, 0.12);
  border-color: rgba(79, 195, 247, 0.35);
}

/* Palette */
.palette {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.palette-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.02);
  cursor: grab;
  transition: background 0.15s, border-color 0.15s;
  user-select: none;
}

.palette-item:hover {
  background: rgba(79, 195, 247, 0.05);
  border-color: rgba(79, 195, 247, 0.15);
}

.palette-item:active {
  cursor: grabbing;
}

.palette-node-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.palette-node-icon {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.palette-node-icon svg {
  width: 14px;
  height: 14px;
}

.palette-node-icon--user     { background: rgba(52, 211, 153, 0.1); color: #34d399; }
.palette-node-icon--agent    { background: rgba(167, 139, 250, 0.1); color: #a78bfa; }
.palette-node-icon--mcp      { background: rgba(79, 195, 247, 0.1); color: #4fc3f7; }
.palette-node-icon--tool     { background: rgba(251, 146, 60, 0.1); color: #fb923c; }
.palette-node-icon--response { background: rgba(45, 212, 191, 0.1); color: #2dd4bf; }
.palette-node-icon--skill    { background: rgba(244, 114, 182, 0.1); color: #f472b6; }
.palette-node-icon--registry { background: rgba(129, 140, 248, 0.1); color: #818cf8; }
.palette-node-icon--custom   { background: rgba(148, 163, 184, 0.08); color: #94a3b8; }

.palette-item span {
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
  font-weight: 500;
}

/* ----------------------------------------
   Action buttons
   ---------------------------------------- */
.action-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 8px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary, #94a3b8);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.action-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary, #e2e8f0);
  border-color: rgba(255, 255, 255, 0.14);
}

.action-btn--danger:hover {
  background: rgba(248, 113, 113, 0.08);
  border-color: rgba(248, 113, 113, 0.25);
  color: #f87171;
}

.action-btn--primary {
  grid-column: span 2;
  background: rgba(79, 195, 247, 0.07);
  border-color: rgba(79, 195, 247, 0.2);
  color: #4fc3f7;
}

.action-btn--primary:hover {
  background: rgba(79, 195, 247, 0.13);
  border-color: rgba(79, 195, 247, 0.35);
  color: #4fc3f7;
}

/* ----------------------------------------
   Help list
   ---------------------------------------- */
.sidebar-section--help {
  flex: 1;
}

.help-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.help-list li {
  font-size: 0.73rem;
  color: var(--text-muted, #64748b);
  line-height: 1.45;
  padding-left: 12px;
  position: relative;
}

.help-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: rgba(79, 195, 247, 0.4);
}

/* ----------------------------------------
   Connection label popup
   ---------------------------------------- */
.conn-label-popup {
  position: fixed;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 22, 40, 0.97);
  border: 1px solid rgba(79, 195, 247, 0.25);
  border-radius: 8px;
  padding: 6px 8px;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
}

.conn-label-popup input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary, #e2e8f0);
  font-size: 0.82rem;
  width: 160px;
  font-family: inherit;
}

.conn-label-popup input::placeholder {
  color: var(--text-muted, #64748b);
}

.conn-label-popup button {
  padding: 3px 10px;
  border-radius: 5px;
  border: 1px solid rgba(79, 195, 247, 0.3);
  background: rgba(79, 195, 247, 0.1);
  color: #4fc3f7;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}

.conn-label-popup button:hover {
  background: rgba(79, 195, 247, 0.2);
}

/* ----------------------------------------
   Nav active state
   ---------------------------------------- */
.nav-link--active {
  color: #4fc3f7 !important;
}

/* ----------------------------------------
   Dragging ghost styling
   ---------------------------------------- */
.drag-ghost {
  position: fixed;
  pointer-events: none;
  opacity: 0.7;
  z-index: 9999;
}