/* --- Visualizer layout --- */
.viz-layout {
  margin-top: 1rem;
}

/* --- Input section --- */
.viz-textarea {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.5;
  background: var(--grain);
  border: 1px solid var(--border);
  color: var(--graphite);
  padding: 0.75rem 1rem;
  resize: vertical;
}
.viz-textarea:focus {
  outline: 2px solid var(--copper);
  outline-offset: -2px;
}

.viz-buttons {
  display: flex;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.viz-btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  background: var(--grain);
  color: var(--graphite);
  cursor: pointer;
}
.viz-btn:hover {
  border-color: var(--copper);
  color: var(--copper);
}
.viz-btn-primary {
  background: var(--copper);
  color: var(--white);
  border-color: var(--copper);
}
.viz-btn-primary:hover {
  opacity: 0.85;
  color: var(--white);
}
.viz-btn-file {
  cursor: pointer;
}

.viz-error {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #c44030;
  background: #c4403010;
  border: 1px solid #c4403040;
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0;
}

/* --- Controls bar --- */
.viz-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.viz-controls-left,
.viz-controls-right {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.viz-ctrl {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  background: var(--grain);
  color: var(--graphite);
  cursor: pointer;
  line-height: 1;
}
.viz-ctrl:hover {
  border-color: var(--copper);
  color: var(--copper);
}
.viz-toggle {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--pencil);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.viz-toggle input {
  accent-color: var(--copper);
}

/* --- Canvas --- */
.viz-canvas-wrap {
  position: relative;
  background: var(--grain);
  border: 1px solid var(--border);
  height: 60vh;
  min-height: 300px;
  overflow: hidden;
}
#viz-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* dagre-d3 node styling */
#viz-canvas .node rect,
#viz-canvas .node ellipse {
  rx: 0;
  ry: 0;
}
#viz-canvas .node text {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--graphite);
}
#viz-canvas .edgePath path.path {
  fill: none;
}
#viz-canvas .edgePath defs marker path {
  fill: var(--graphite);
}

/* --- Tooltip --- */
.viz-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 0.6rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--graphite);
  max-width: 340px;
  z-index: 20;
  box-shadow: 0 2px 8px rgba(45, 42, 38, 0.1);
}
.viz-tooltip .tt-label {
  color: var(--pencil);
  font-size: 0.7rem;
}
.viz-tooltip .tt-intent {
  font-style: italic;
}
.viz-tooltip .tt-dead {
  color: #c44030;
}

/* --- Detail panel --- */
.viz-detail {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  background: var(--white);
  border-left: 1px solid var(--border);
  z-index: 30;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 16px rgba(45, 42, 38, 0.08);
  overflow: hidden;
}
.viz-detail[hidden] {
  display: none;
}
.viz-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.viz-detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.6;
}
.viz-detail-body pre {
  font-size: 0.72rem;
  background: var(--grain);
  border-left: 3px solid #b5652b4d;
  padding: 0.6rem 0.8rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0.5rem 0;
}
.viz-detail-body .detail-section {
  margin-bottom: 1rem;
}
.viz-detail-body .detail-label {
  color: var(--pencil);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}
.viz-detail-body .detail-nav {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.viz-detail-body .detail-nav a {
  font-size: 0.75rem;
  color: var(--copper);
  cursor: pointer;
  text-decoration: underline;
}

/* --- Legend --- */
.viz-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.75rem 0;
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--pencil);
}
.viz-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.viz-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid;
  flex-shrink: 0;
}
.viz-swatch-human {
  background: #b5652b18;
  border-color: #b5652b;
}
.viz-swatch-agent {
  background: #b5652b30;
  border-color: #b5652b;
}
.viz-swatch-tool {
  background: #8a807815;
  border-color: #8a8078;
}
.viz-swatch-ci {
  background: #8a807815;
  border-color: #8a8078;
  border-style: dashed;
}
.viz-swatch-dead {
  background: #c4403018;
  border-color: #c44030;
  border-style: dashed;
}
.viz-swatch-head {
  background: var(--grain);
  border-color: var(--copper);
  border-width: 3px;
}
.viz-swatch-base {
  background: var(--grain);
  border-color: #8a8078;
  border-radius: 50%;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .viz-controls {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
  .viz-detail {
    width: 100vw;
    max-width: 100vw;
  }
  .viz-canvas-wrap {
    height: 45vh;
  }
}