/* ===== ClickHouse Node-based Cluster Diagram ===== */

.ch-nodes-diagram {
  background: #1e1e2e;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  margin: 1.5em 0;
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 12px;
  overflow: hidden;
}
.ch-nodes-title {
  background: #313244;
  padding: 10px 16px;
  color: #cdd6f4;
  font-size: 13px;
  font-weight: bold;
  text-align: center;
}

/* --- Flat node grid (no shard grouping) --- */
.ch-nodes-flat {
  display: flex;
  gap: 12px;
  padding: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Individual node --- */
.ch-node {
  background: #11111b;
  border: 2px solid #45475a;
  border-radius: 8px;
  padding: 8px;
  width: 140px;
  min-height: 120px;
  transition: border-color 0.4s, opacity 0.4s, background 0.4s, box-shadow 0.4s;
}
.ch-node.node-active {
  border-color: #a6e3a1;
  box-shadow: 0 0 8px #a6e3a133;
}
.ch-node.node-highlight {
  border-color: #f9e2af;
  background: #f9e2af11;
  box-shadow: 0 0 8px #f9e2af33;
}
.ch-node.node-selected {
  border-color: #89b4fa;
  background: #89b4fa11;
  box-shadow: 0 0 12px #89b4fa44;
}
.ch-node.node-dead {
  border-color: #f38ba8;
  opacity: 0.35;
  background: #f38ba811;
}
.ch-node.node-dim {
  opacity: 0.4;
}
.ch-node-header {
  font-size: 12px;
  font-weight: bold;
  color: #cdd6f4;
  margin-bottom: 4px;
}
.ch-node-tags, .ch-tag-group {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}
.ch-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 9px;
  font-weight: bold;
}
.ch-tag-shard {
  background: #89b4fa22;
  color: #89b4fa;
  border: 1px solid #89b4fa55;
}
.ch-tag-shard2 {
  background: #f5c0e822;
  color: #f5c0e8;
  border: 1px solid #f5c0e855;
}
.ch-tag-replica {
  background: #a6e3a122;
  color: #a6e3a1;
  border: 1px solid #a6e3a155;
}
.ch-node-role {
  font-size: 9px;
  color: #6c7086;
  margin-bottom: 6px;
  line-height: 1.3;
}
.ch-node-data {
  min-height: 50px;
}
.ch-node-data .ch-data-row {
  padding: 2px 4px;
  margin: 1px 0;
  border-radius: 3px;
  font-size: 10px;
  color: #cdd6f4;
  transition: background 0.3s, opacity 0.3s;
}
.ch-data-row.row-new {
  animation: nodeRowAppear 0.5s ease forwards;
}
@keyframes nodeRowAppear {
  from { opacity: 0; transform: translateX(-6px); background: #a6e3a133; }
  to { opacity: 1; transform: translateX(0); background: transparent; }
}
.ch-data-row.row-sync {
  animation: nodeRowSync 0.5s ease forwards;
}
@keyframes nodeRowSync {
  from { opacity: 0; transform: translateX(6px); background: #89b4fa33; }
  to { opacity: 1; transform: translateX(0); background: transparent; }
}
.ch-data-row.row-glow {
  background: #a6e3a122;
}

/* --- Combination area --- */
.ch-nodes-combo {
  margin: 0 16px;
  padding: 8px 12px;
  min-height: 20px;
  text-align: center;
  font-size: 11px;
  color: #6c7086;
}
.ch-combo-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  margin: 2px;
  font-size: 11px;
}
.ch-combo-plus {
  color: #6c7086;
  margin: 0 4px;
}
.ch-combo-eq {
  color: #a6e3a1;
  margin: 0 6px;
  font-weight: bold;
}
.ch-combo-node {
  background: #89b4fa22;
  border: 1px solid #89b4fa;
  color: #89b4fa;
}
.ch-combo-result {
  background: #a6e3a122;
  border: 1px solid #a6e3a1;
  color: #a6e3a1;
}

/* --- Distributed table bar --- */
.ch-nodes-dist {
  margin: 8px 16px;
  padding: 8px 12px;
  border: 2px solid #f9e2af;
  border-radius: 8px;
  background: #f9e2af0d;
  text-align: center;
  transition: border-color 0.4s, background 0.4s;
}
.ch-nodes-dist.dist-active {
  border-color: #a6e3a1;
  background: #a6e3a10d;
}
.ch-dist-label {
  color: #f9e2af;
  font-size: 12px;
  font-weight: bold;
}
.ch-dist-desc {
  color: #6c7086;
  font-size: 10px;
  margin-top: 2px;
}

/* --- Scenario buttons --- */
.ch-nodes-scenarios {
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  border-top: 1px solid #313244;
  margin-top: 8px;
}
.ch-scenario-title {
  color: #6c7086;
  font-size: 11px;
  margin-right: 4px;
}
.ch-scenario-btn {
  background: #45475a;
  color: #cdd6f4;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 11px;
  transition: background 0.2s;
}
.ch-scenario-btn:hover { background: #585b70; }
.ch-scenario-btn.ch-sc-active {
  background: #89b4fa;
  color: #1e1e2e;
}

/* --- Explanation box --- */
.ch-nodes-explanation {
  padding: 10px 16px 14px;
  color: #cdd6f4;
  font-size: 11px;
  line-height: 1.8;
  min-height: 60px;
}
.ch-nodes-explanation .ch-exp-step {
  margin: 4px 0;
  padding: 4px 8px;
  border-radius: 4px;
}
.ch-exp-step.exp-info { background: #f9e2af11; border-left: 3px solid #f9e2af; }
.ch-exp-step.exp-good { background: #a6e3a111; border-left: 3px solid #a6e3a1; }
.ch-exp-step.exp-bad { background: #f38ba811; border-left: 3px solid #f38ba8; }
.ch-exp-step.exp-send { background: #89b4fa11; border-left: 3px solid #89b4fa; }

@media (max-width: 768px) {
  .ch-nodes-flat { gap: 8px; }
  .ch-node { width: 120px; min-height: 100px; }
}