/* ------------------------------------------------------------------
   Agent Shelf & Pill Styles – extracted from styles.css
   ------------------------------------------------------------------ */

#agent-shelf {
    width: 260px;
    flex-shrink: 0;
    background: linear-gradient(to bottom, #2a2a3a, #252535);
    border-right: 1px solid #3d3d5c;
    padding: 16px;
    box-sizing: border-box;
    display: block;
    overflow-y: auto;
    height: 100%;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
}

/* Agent shelf header */
.agent-shelf-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* Node Palette header */
.palette-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #F0F0F0; /* Light color for visibility */
    margin: 0 0 16px 0; /* Match original inline margin */
}

/* Palette search input */
.palette-search-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    outline: none;
}

/* Palette category header */
.palette-category-header {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Palette node icon */
.palette-node-icon {
    font-size: 16px;
    margin-right: 8px;
}

/* Palette node name */
.palette-node-name {
    font-size: 14px;
    font-weight: 500;
    color: #1e293b;
}

/* Palette node description */
.palette-node-description {
    font-size: 12px;
    color: #64748b;
    margin-top: 2px;
}

/* Palette node */
.palette-node {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    margin-bottom: 4px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    cursor: grab;
    transition: all 0.2s ease;
    background: #f8fafc;
}

.palette-node.hover {
    border: 1px solid #3b82f6;
    background: #eff6ff;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Agent pills */
.agent-pill {
    cursor: grab;
    margin-bottom: 10px;
    padding: 12px 14px;
    background: linear-gradient(135deg, #2e2e3e 0%, #2a2a3a 100%);
    border: 1px solid #3d3d5c;
    border-radius: var(--radius-lg);
    font-size: 14px;
    color: #e0e0e0;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    padding-left: 40px; /* space for icon */
    display: flex; /* Added for alignment */
    align-items: center; /* Added for vertical centering */
    font-weight: 500; /* Increased font weight for better visibility */
}

.agent-pill::before {
    content: "🤖";
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    opacity: 0.7;
}

.agent-pill:hover {
    background: linear-gradient(135deg, #3a3a4a 0%, #363646 100%);
    border-color: #4d4d6c;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.agent-pill.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: linear-gradient(135deg, #1e1e2e 0%, #1a1a2a 100%);
    border-color: #2d2d3c;
}

.agent-pill.disabled::before { content: "⏸️"; }

.agent-pill.disabled:hover {
    background: linear-gradient(135deg, #1e1e2e 0%, #1a1a2a 100%);
    transform: none;
    box-shadow: var(--shadow-sm);
}

/* Loading & empty states */
.agent-shelf-loading, .agent-shelf-empty {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    opacity: 0.7;
}

/* Drag and drop */

/* Harmonised drag ghost – token colours */
.agent-pill.dragging {
  opacity: 0.92;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  box-shadow: var(--shadow-lg);
  transform: scale(1.05) rotate(-2deg);
  border: 2px dashed var(--primary);
  cursor: grabbing;
  z-index: 1000;
}

#canvas-container.canvas-drop-target {
    outline: 2px dashed #7f8ec0;
    outline-offset: -2px;
    background-color: rgba(127, 142, 192, 0.1);
}

/* Off-canvas responsive behaviour (mirrors earlier media query) */
@media (max-width: 767px) {
  #agent-shelf {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    width: 240px;
    box-shadow: var(--shadow-lg);
    z-index: 1500;
  }

  #agent-shelf.open { transform: translateX(0); }
}

/* Scrim overlay when shelf is open on mobile */
.shelf-scrim {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
  z-index: 1400; /* below shelf (1500), above content */
  display: none; /* only used on mobile */
}

body.shelf-open .shelf-scrim { opacity: 1; pointer-events: auto; }

/* Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  #agent-shelf { transition: none; }
  .shelf-scrim { transition: none; }
}

/* Only show scrim on small screens */
@media (max-width: 767px) {
  .shelf-scrim { display: block; }
}