:root{
    --bg:#050b0c; --panel:#081415; --mint:#4dfff0; --mint-dim:#1a3d3a;
    --cyan:#5ad4ff; --magenta:#ff4d9e; --amber:#ffb84d; --red:#ff5c5c;
    --text:#c8f5f0; --text-dim:#5a8a86; --border:#123332;
  }
  *{box-sizing:border-box}
  body{
    margin:0; background:radial-gradient(ellipse at top, #0a1d1e 0%, #050b0c 60%);
    color:var(--text); font-family:'JetBrains Mono','Courier New',monospace;
    min-height:100vh; padding:24px;
  }
  .wrap{max-width:920px;margin:0 auto}
  h1{font-size:15px;letter-spacing:3px;text-transform:uppercase;color:var(--mint);
     margin:0 0 4px 0;text-shadow:0 0 12px rgba(77,255,240,0.4)}
  .sub{color:var(--text-dim);font-size:11px;margin-bottom:20px;letter-spacing:0.5px}

  .controls{background:var(--panel);border:1px solid var(--border);border-radius:6px;
    padding:16px;margin-bottom:16px;display:grid;grid-template-columns:auto 1fr auto auto;
    gap:12px;align-items:end}
  .field label{display:block;font-size:9px;letter-spacing:1.5px;text-transform:uppercase;
    color:var(--text-dim);margin-bottom:6px}
  .dir-toggle{display:flex;border:1px solid var(--border);border-radius:4px;overflow:hidden}
  .dir-toggle button{background:transparent;border:none;color:var(--text-dim);
    padding:9px 14px;font-family:inherit;font-size:11px;cursor:pointer;letter-spacing:1px}
  .dir-toggle button.active{background:var(--mint-dim);color:var(--mint)}
  input[type=text]{width:100%;background:#031010;border:1px solid var(--border);
    color:var(--text);padding:9px 10px;font-family:inherit;font-size:12px;border-radius:4px}
  input[type=text]:focus{outline:none;border-color:var(--mint)}
  button.go{background:var(--mint);color:#03100f;border:none;padding:9px 20px;
    font-family:inherit;font-size:11px;font-weight:bold;letter-spacing:1.5px;
    text-transform:uppercase;cursor:pointer;border-radius:4px}
  button.go:disabled{opacity:.4;cursor:not-allowed}
  button.go:hover:not(:disabled){box-shadow:0 0 16px rgba(77,255,240,0.5)}

  .status{font-size:11px;color:var(--text-dim);margin:8px 0 16px 0;min-height:16px}
  .status.err{color:var(--red)}

  .utxo-pick{background:var(--panel);border:1px solid var(--border);border-radius:6px;
    padding:14px;margin-bottom:16px}
  .utxo-pick .row{display:flex;justify-content:space-between;align-items:center;
    padding:8px 10px;border-radius:4px;cursor:pointer;font-size:11px;border:1px solid transparent}
  .utxo-pick .row:hover{background:var(--mint-dim);border-color:var(--border)}
  .utxo-pick .val{color:var(--mint)}
  .utxo-pick .meta{color:var(--text-dim)}

  .chain{display:flex;flex-direction:column}
  .hop{background:var(--panel);border:1px solid var(--border);border-radius:6px;
    padding:14px 16px;position:relative}
  .connector{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:10px;
    color:var(--text-dim)}
  .connector .line{flex:0 0 1px;width:1px;height:18px;background:var(--border)}
  .hop-head{display:flex;justify-content:space-between;align-items:baseline}
  .hop-addr{color:var(--cyan);font-size:12px;word-break:break-all}
  .hop-idx{color:var(--text-dim);font-size:9px;letter-spacing:1px;text-transform:uppercase}
  .hop-utxo{color:var(--text-dim);font-size:10px;margin-top:4px}
  .hop-val{color:var(--mint);font-weight:bold;font-size:13px;margin-top:6px}

  .badge{display:inline-block;font-size:9px;letter-spacing:1px;text-transform:uppercase;
    padding:3px 8px;border-radius:3px;margin-top:8px}
  .badge.clean{background:rgba(77,255,240,0.12);color:var(--mint);border:1px solid var(--mint-dim)}
  .badge.mixed{background:rgba(255,92,92,0.12);color:var(--red);border:1px solid rgba(255,92,92,0.3)}
  .badge.unspent{background:rgba(255,184,77,0.12);color:var(--amber);border:1px solid rgba(255,184,77,0.3)}
  .badge.coinbase{background:rgba(255,184,77,0.12);color:var(--amber);border:1px solid rgba(255,184,77,0.3)}

  .mix-note{font-size:10.5px;color:var(--text-dim);margin-top:10px;line-height:1.6}
  .mix-note a{color:var(--cyan)}

  .branches{margin-top:10px;display:flex;flex-direction:column;gap:6px}
  .branch-btn{text-align:left;background:#031010;border:1px solid var(--border);
    color:var(--text);padding:8px 10px;font-family:inherit;font-size:10.5px;
    border-radius:4px;cursor:pointer}
  .branch-btn:hover{border-color:var(--mint);color:var(--mint)}

  .legend{font-size:10px;color:var(--text-dim);margin-top:14px;line-height:1.8}
  .legend b{color:var(--text)}

  .map-stage{background:var(--panel);border:1px solid var(--border);border-radius:6px;
    padding:8px;position:relative}
  .map-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:6px}
  .zoom-btn{background:#031010;border:1px solid var(--border);color:var(--text);
    font-family:inherit;font-size:12px;padding:4px 10px;border-radius:4px;cursor:pointer}
  .zoom-btn:hover{border-color:var(--mint);color:var(--mint)}
  .zoom-hint{font-size:9px;color:var(--text-dim);margin-left:6px}
  .map-viewport{width:100%;height:640px;overflow:hidden;cursor:grab;border:1px solid var(--border);border-radius:4px}
  .map-viewport.dragging{cursor:grabbing}
  #mapSvg{width:100%;height:100%;display:block}
  .map-node circle{cursor:pointer}
  .map-node text{font-size:8px;fill:var(--text);font-family:'JetBrains Mono',monospace;pointer-events:none}
  .map-node .val{font-size:7px;fill:var(--text-dim)}
  .map-edge{stroke:var(--border);stroke-width:1;fill:none}
  .map-tip{position:fixed;background:#03100f;border:1px solid var(--mint);border-radius:4px;
    padding:8px 10px;font-size:10px;color:var(--text);pointer-events:none;z-index:50;
    max-width:260px;line-height:1.5;display:none}

  .pin-panel{position:absolute;top:44px;right:16px;width:300px;max-height:600px;
    background:#03100f;border:1px solid var(--mint);border-radius:6px;
    box-shadow:0 0 24px rgba(0,0,0,0.6);overflow:hidden;display:flex;flex-direction:column;z-index:40}
  .pin-head{display:flex;justify-content:space-between;align-items:center;
    padding:8px 12px;border-bottom:1px solid var(--border);font-size:9px;
    letter-spacing:1.5px;color:var(--mint)}
  .pin-head button{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:12px}
  .pin-head button:hover{color:var(--red)}
  #pinBody{padding:10px 12px;overflow-y:auto;font-size:10px;line-height:1.6}
  .pin-hop{padding:6px 0;border-bottom:1px solid var(--border)}
  .pin-hop:last-child{border-bottom:none}
  .pin-hop .a{color:var(--cyan);word-break:break-all;font-size:9.5px}
  .pin-hop .v{color:var(--mint);font-weight:bold}
  .pin-hop .s{color:var(--text-dim);font-size:9px;text-transform:uppercase;letter-spacing:0.5px}
  .pin-hop a{color:var(--text-dim);font-size:9px}
  .pin-hop a:hover{color:var(--cyan)}

  .tree-stage{background:var(--panel);border:1px solid var(--border);border-radius:6px;
    display:flex;height:640px;overflow:hidden}
  .tree-pane{width:280px;flex-shrink:0;border-right:1px solid var(--border);
    overflow-y:auto;overflow-x:auto;padding:8px;font-size:11px}
  .tree-row{display:flex;align-items:center;gap:6px;padding:3px 6px;border-radius:3px;
    cursor:pointer;white-space:nowrap;min-width:max-content}
  .tree-row:hover{background:var(--mint-dim)}
  .tree-row.selected{background:var(--mint-dim);outline:1px solid var(--mint)}
  .tree-row .toggle{width:12px;flex-shrink:0;color:var(--text-dim);font-size:9px;text-align:center}
  .tree-row .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
  .tree-row .addr{color:var(--cyan);font-size:10.5px;flex-shrink:0}

  .detail-pane{flex:1;display:flex;flex-direction:column;overflow:hidden}
  .breadcrumb{padding:8px 12px;border-bottom:1px solid var(--border);font-size:10px;
    color:var(--text-dim);display:flex;gap:4px;align-items:center;flex-wrap:wrap}
  .status-counts{padding:6px 12px;border-bottom:1px solid var(--border);font-size:10px;
    color:var(--text-dim);display:flex;gap:14px;flex-wrap:wrap}
  .status-counts .item{display:flex;align-items:center;gap:5px}
  .status-counts .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
  .status-counts .n{color:var(--text);font-weight:bold}
  .breadcrumb .crumb{cursor:pointer;color:var(--cyan)}
  .breadcrumb .crumb:hover{text-decoration:underline}
  .breadcrumb .sep{color:var(--text-dim)}
  .detail-header{display:flex;padding:6px 12px;border-bottom:1px solid var(--border);
    font-size:9px;letter-spacing:1px;color:var(--text-dim)}
  .detail-header .col-addr{flex:1}
  .detail-header .col-val{width:120px}
  .detail-header .col-date{width:170px}
  .detail-header .col-status{width:90px}
  .detail-list{flex:1;overflow-y:auto}
  .detail-row{display:flex;align-items:center;padding:7px 12px;font-size:11px;
    cursor:pointer;border-bottom:1px solid rgba(18,51,50,0.4)}
  .detail-row:hover{background:var(--mint-dim)}
  .detail-row .col-addr{flex:1;display:flex;align-items:center;gap:8px;overflow:hidden}
  .detail-row .col-addr .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
  .detail-row .col-addr .addr{color:var(--cyan);overflow:hidden;text-overflow:ellipsis}
  .detail-row .col-val{width:120px;color:var(--mint);font-weight:bold}
  .detail-row .col-date{width:170px;color:var(--text-dim);font-size:10px}
  .detail-row .col-status{width:90px;color:var(--text-dim);font-size:9.5px;text-transform:uppercase}
  .detail-row.fwd-action{background:rgba(255,77,158,0.06)}
  .detail-row.fwd-action .col-addr .addr{color:var(--magenta)}
  .detail-row a.tx-link{color:var(--text-dim);font-size:9px;margin-left:8px}
  .detail-row a.tx-link:hover{color:var(--cyan)}
  .copy-btn{background:none;border:1px solid var(--border);color:var(--text-dim);
    font-size:10px;padding:1px 5px;border-radius:3px;cursor:pointer;margin-left:6px;flex-shrink:0}
  .copy-btn:hover{color:var(--mint);border-color:var(--mint)}
  .copy-btn.copied{color:var(--mint);border-color:var(--mint)}
  .detail-empty{padding:20px;text-align:center;color:var(--text-dim);font-size:11px}
  .tree-children{border-left:1px dashed var(--border);margin-left:9px}
  .tree-loading{color:var(--text-dim);font-size:10px;padding:4px 6px 4px 30px}