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var(--line);background:var(--surface);color:var(--ink3);cursor:pointer;border-radius:8px;transition:color .15s,background .15s,border-color .15s;letter-spacing:.3px}.bst-artifact .tree-btn:hover{color:var(--ink1);border-color:var(--line2)}.bst-artifact .tree-btn.active{color:var(--accent);background:var(--tint);border-color:var(--tintb)}.bst-artifact .main-grid{display:grid;grid-template-columns:1fr 1fr}.bst-artifact .panel{padding:28px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0}.bst-artifact .panel:nth-child(2n){border-right:none}.bst-artifact .panel-header{display:flex;align-items:center;gap:10px;margin-bottom:22px;flex-wrap:wrap}.bst-artifact .panel-tag{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:4px 10px;border:1px solid currentColor;border-radius:999px}.bst-artifact .tag-rec{color:var(--accent)}.bst-artifact .tag-iter,.bst-artifact .tag-bfs-rec{color:var(--ink4)}.bst-artifact .tag-bfs-iter{color:var(--accent)}.bst-artifact .panel-title{font-size:16px;font-weight:700;color:var(--ink1)}.bst-artifact .tree-wrap{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}.bst-artifact .tree-wrap canvas{display:block;width:100%;height:220px}.bst-artifact .controls{display:flex;gap:8px;margin-bottom:18px;align-items:center;flex-wrap:wrap}.bst-artifact .ctl-btn{font-family:inherit;font-size:12px;font-weight:700;padding:8px 14px;border:1px solid var(--tintb);background:var(--tint);color:var(--accent);cursor:pointer;border-radius:8px;transition:background .15s,border-color .15s,color .15s,filter .15s;letter-spacing:.3px}.bst-artifact .ctl-btn:hover{filter:brightness(1.15)}.bst-artifact .ctl-btn.outline{background:var(--surface);border-color:var(--line);color:var(--ink3)}.bst-artifact .ctl-btn.outline:hover{border-color:var(--line2);color:var(--ink1)}.bst-artifact .ctl-btn:disabled{opacity:.35;cursor:not-allowed}.bst-artifact .speed-wrap{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:11px;color:var(--ink4)}.bst-artifact .speed-wrap input[type=range]{width:80px;accent-color:var(--accent)}.bst-artifact .state-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}.bst-artifact .state-box{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;min-width:0}.bst-artifact .state-label{font-size:10px;color:var(--ink4);letter-spacing:1.2px;text-transform:uppercase;margin-bottom:6px;font-weight:700}.bst-artifact .state-val{font-size:12px;font-weight:700;color:var(--ink1);min-height:20px;display:flex;flex-wrap:wrap;gap:4px}.bst-artifact .state-val .dim{color:var(--ink4)}.bst-artifact .chip{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700;border:1px solid transparent}.bst-artifact 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.level-chip.pending{background:var(--surface);color:var(--ink4);border-color:var(--line)}.bst-artifact .level-chip.active{background:var(--warn-tint);color:var(--warn);border-color:var(--warn)}.bst-artifact .level-chip.done{background:var(--ok-tint);color:var(--ok);border-color:var(--ok)}.bst-artifact .bfs-note{display:flex;gap:10px;background:var(--hot-tint);border:1px solid var(--hot);border-radius:10px;padding:12px 14px;margin:10px 0;font-size:12px;color:var(--ink3);line-height:1.6}.bst-artifact .note-icon{font-size:14px;flex-shrink:0;margin-top:1px;color:var(--hot)}.bst-artifact .bfs-note em{font-style:normal;color:var(--ink1);font-weight:700}.bst-artifact .insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}.bst-artifact .insight-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;transition:border-color .2s}.bst-artifact .insight-card:hover{border-color:var(--accent)}.bst-artifact 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.sd-scale-val{font-size:26px;font-weight:700;line-height:1;display:flex;align-items:baseline;justify-content:center;gap:3px}.sd-artifact .sd-scale-unit{font-size:14px;font-weight:700}.sd-artifact .sd-scale-label{font-size:10px;color:var(--ink4);margin-top:5px;letter-spacing:.4px}.sd-artifact .sd-rw-bar{height:22px;border-radius:6px;overflow:hidden;display:flex;margin-bottom:10px}.sd-artifact .sd-rw-read{background:var(--accent);opacity:.75;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;animation:sd-growRight .8s ease both}.sd-artifact .sd-rw-write{background:var(--ok);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff}@keyframes sd-growRight{0%{width:0!important}}.sd-artifact .sd-api-wrap{padding:32px 40px;display:flex;flex-direction:column;gap:16px}.sd-artifact .sd-endpoint{border:1px solid var(--line);border-radius:14px;overflow:hidden;animation:sd-slideIn .28s ease 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