:root {
    --bg: #0f1117; --surface: #1a1d27; --border: #2a2d3a;
    --text: #e4e4e7; --muted: #71717a; --accent: #6366f1;
    --accent-hover: #818cf8; --success: #22c55e; --error: #ef4444;
    --warning: #f59e0b; --radius: 8px;
    --tag-system: #8b5cf6; --tag-proxy: #f59e0b;
    --tag-http: #3b82f6; --tag-extract: #22c55e;
    --tag-pipeline: #ec4899; --transform: #f97316;
    --tag-verify: #06b6d4;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); height: 100vh; overflow: hidden; }

  .topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 20px; border-bottom: 1px solid rgba(92,207,230,0.08); background: rgba(10,16,25,0.95); backdrop-filter: blur(12px); }
  .topbar-left { display: flex; align-items: center; gap: 12px; }
  .topbar h1 { font-size: 13px; font-weight: 600; letter-spacing: -0.5px; }
  .topbar-actions { display: flex; gap: 6px; align-items: center; }

  .btn { padding: 6px 12px; border: none; border-radius: var(--radius); font-size: 11px; cursor: pointer; font-weight: 500; transition: all .15s; white-space: nowrap; }
  .btn-primary { background: var(--accent); color: #fff; }
  .btn-primary:hover { background: var(--accent-hover); }
  .btn-primary:disabled { opacity: .5; cursor: not-allowed; }
  .btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
  .btn-outline:hover { border-color: var(--muted); }
  .btn-danger { background: var(--error); color: #fff; }
  .btn-danger:hover { opacity: .85; }
  .btn-success { background: var(--success); color: #fff; }
  .btn-success:hover { opacity: .85; }
  .btn-sm { padding: 3px 8px; font-size: 11px; }
  .btn-icon { padding: 4px 7px; font-size: 16px; line-height: 1; }

  .btn-add-req { background: transparent; color: rgba(99,102,241,.7); border: 1px solid rgba(99,102,241,.2); }
  .btn-add-req:hover { background: rgba(99,102,241,.08); color: var(--accent); border-color: rgba(99,102,241,.35); }
  .btn-add-tf { background: transparent; color: rgba(249,115,22,.7); border: 1px solid rgba(249,115,22,.2); }
  .btn-add-tf:hover { background: rgba(249,115,22,.08); color: var(--transform); border-color: rgba(249,115,22,.35); }
  .btn-add-ext { background: transparent; color: rgba(6,182,212,.7); border: 1px solid rgba(6,182,212,.2); }
  .btn-add-ext:hover { background: rgba(6,182,212,.08); color: var(--tag-verify); border-color: rgba(6,182,212,.35); }
  .ws-url, .ws-wait { flex:1; font-size:11px; padding:3px 6px; border:1px solid var(--border); border-radius:4px; background:var(--bg); color:var(--fg); }
  .ws-msg { min-height:80px; width:100%; font-family:'SF Mono',monospace; font-size:11px; padding:6px; border:1px solid var(--border); border-radius:4px; background:var(--bg); color:var(--fg); resize:vertical; }
  .btn-add-ws { background: transparent; color: rgba(34,197,94,.7); border: 1px solid rgba(34,197,94,.2); }
  .btn-add-ws:hover { background: rgba(34,197,94,.08); color: var(--success); border-color: rgba(34,197,94,.35); }
  .btn-add-agent { background: transparent; color: rgba(168,85,247,.7); border: 1px solid rgba(168,85,247,.2); }
  .btn-add-agent:hover { background: rgba(168,85,247,.08); color: #a855f7; border-color: rgba(168,85,247,.35); }
  .btn-tpl { background: transparent; color: rgba(139,92,246,.6); border: 1px solid rgba(139,92,246,.18); }
  .btn-tpl:hover { background: rgba(139,92,246,.08); color: rgba(139,92,246,.8); border-color: rgba(139,92,246,.3); }
  .btn-save { background: transparent; color: rgba(34,197,94,.6); border: 1px solid rgba(34,197,94,.18); }
  .btn-save:hover { background: rgba(34,197,94,.06); color: rgba(34,197,94,.8); border-color: rgba(34,197,94,.3); }
  .btn-load { background: transparent; color: rgba(129,140,248,.6); border: 1px solid rgba(129,140,248,.18); }
  .btn-load:hover { background: rgba(129,140,248,.06); color: rgba(129,140,248,.8); border-color: rgba(129,140,248,.3); }
  .btn-import { background: transparent; color: rgba(6,182,212,.6); border: 1px solid rgba(6,182,212,.18); }
  .btn-import:hover { background: rgba(6,182,212,.06); color: rgba(6,182,212,.8); border-color: rgba(6,182,212,.3); }
  .btn-export { background: transparent; color: rgba(245,158,11,.6); border: 1px solid rgba(245,158,11,.18); }
  .btn-export:hover { background: rgba(245,158,11,.06); color: rgba(245,158,11,.8); border-color: rgba(245,158,11,.3); }
  .topbar-actions .btn-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; flex-shrink: 0; }

  .tools-menu { position: absolute; top: 100%; right: 0; margin-top: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); min-width: 160px; z-index: 1000; box-shadow: 0 8px 24px rgba(0,0,0,.4); overflow: hidden; }
  .tools-menu-item { padding: 8px 14px; font-size: 12px; cursor: pointer; transition: background .12s; white-space: nowrap; }
  .tools-menu-item:hover { background: rgba(255,255,255,.06); }

  .tool-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 2000; display: flex; align-items: center; justify-content: center; }
  .tool-modal { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; width: 90vw; max-width: 960px; height: 70vh; display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 16px 48px rgba(0,0,0,.5); }
  .tool-modal-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--surface); }
  .tool-modal-header h3 { font-size: 14px; font-weight: 600; }
  .tool-modal-close { background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; line-height: 1; }
  .tool-modal-close:hover { color: var(--error); }
  .tool-modal-body { display: flex; flex: 1; min-height: 0; }
  .tool-pane { flex: 1; display: flex; flex-direction: column; min-width: 0; }
  .tool-pane:first-child { border-right: 1px solid var(--border); }
  .tool-pane-label { padding: 6px 12px; font-size: 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
  .tool-pane-label .tool-copy-btn { background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 4px; padding: 2px 8px; font-size: 10px; cursor: pointer; transition: all .15s; }
  .tool-pane-label .tool-copy-btn:hover { color: var(--success); border-color: var(--success); }
  .tool-textarea { flex: 1; background: transparent; border: none; color: var(--text); font-family: 'SF Mono', Menlo, monospace; font-size: 12px; padding: 10px 12px; resize: none; outline: none; line-height: 1.5; }
  .tool-textarea::placeholder { color: var(--muted); }
  .tool-textarea:read-only { color: var(--success); }

  .view-toggle { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
  .view-toggle-btn { background: transparent; border: none; color: var(--muted); padding: 4px 10px; font-size: 14px; cursor: pointer; transition: all .15s; line-height: 1; }
  .view-toggle-btn:hover { color: var(--text); background: rgba(255,255,255,.04); }
  .view-toggle-btn.active { color: var(--accent); background: rgba(99,102,241,.1); }

  .layout { display: flex; flex: 1; overflow: hidden; }
  body { display: flex; flex-direction: column; }
  .left-panel { flex: 1; overflow-y: auto; padding: 16px; border-right: 1px solid var(--border); }
  .right-panel { width: 440px; min-width: 340px; display: flex; flex-direction: column; background: var(--surface); }
  .steps { display: flex; flex-direction: column; gap: 12px; }

  .step-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .15s, opacity .15s; position: relative; content-visibility: auto; contain-intrinsic-size: auto 420px; }
  .step-card.collapsed .step-body { display: none; }
  .step-card.collapsed .step-header { cursor: pointer; }
  .step-card.collapsed + .step-insert-bar { display: none; }
  .step-url-hint { display: none; font-size: 11px; color: var(--muted); margin-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 300px; }
  .step-card.collapsed .step-url-hint { display: inline-block; }

  /* DIY Editor */
  .diy-section { background: var(--surface); border: 1px solid var(--border); border-radius: 4px; padding: 6px; }
  .diy-section-title { font-size: 11px; font-weight: 600; color: var(--accent); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
  .diy-pool, .diy-selected { max-height: 200px; overflow-y: auto; font-size: 11px; }
  .diy-item { padding: 2px 6px; cursor: pointer; border-radius: 3px; display: flex; align-items: center; gap: 4px; user-select: none; }
  .diy-item:hover { background: var(--border); }
  .diy-item.checked { color: var(--accent); }
  .diy-item .diy-id { color: var(--muted); font-family: monospace; font-size: 10px; min-width: 40px; }
  .diy-sel-item { padding: 3px 6px; margin-bottom: 2px; background: var(--bg); border: 1px solid var(--border); border-radius: 3px; display: flex; align-items: center; gap: 4px; cursor: grab; font-size: 11px; }
  .diy-sel-item:active { cursor: grabbing; }
  .diy-sel-item .diy-id { color: var(--muted); font-family: monospace; font-size: 10px; }
  .diy-sel-item .diy-rm { margin-left: auto; cursor: pointer; color: var(--error); font-size: 12px; }
  .step-card:focus-within { border-color: var(--accent); }
  .step-card.step-ok { border-left: 3px solid var(--success); }
  .step-card.step-err { border-left: 3px solid var(--error); }
  .step-card.step-running { border-left: 3px solid var(--warning); }
  .step-card.type-transform { border-left: 3px solid var(--transform); }
  .step-card.type-ws_connect, .step-card.type-ws_send, .step-card.type-ws_close { border-left: 3px solid var(--success); }
  .step-card.type-ws_connect .step-num, .step-card.type-ws_send .step-num, .step-card.type-ws_close .step-num { color: var(--success); }
  .step-card.type-extract { border-left: 3px solid var(--tag-verify); }
  .step-card.type-extract .step-num { color: var(--tag-verify); }
  .step-card.type-transform.step-ok { border-left: 3px solid var(--success); }
  .step-card.type-transform.step-err { border-left: 3px solid var(--error); }
  .step-card.step-disabled { opacity: .45; }
  .step-card.step-disabled .step-body { pointer-events: none; }
  .step-card.step-disabled .step-header { opacity: .8; }
  .step-card.dragging { opacity: .4; }
  .step-card.drag-over { border-top: 2px solid var(--accent); }

  .step-header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); border-radius: var(--radius) var(--radius) 0 0; }
  .drag-handle { cursor: grab; color: var(--muted); font-size: 14px; padding: 2px 4px; user-select: none; }
  .drag-handle:active { cursor: grabbing; }
  .step-num { font-size: 11px; font-weight: 700; color: var(--accent); min-width: 20px; text-align: center; }
  .step-card.type-transform .step-num { color: var(--transform); }
  .step-name { flex: 1; background: transparent; border: none; color: var(--text); font-size: 13px; font-weight: 500; outline: none; }
  .step-name::placeholder { color: var(--muted); }
  .step-type-select { padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 10px; outline: none; font-weight: 600; }
  .step-type-select.is-transform { border-color: var(--transform); color: var(--transform); }
  .step-type-select.is-extract { border-color: var(--tag-verify); color: var(--tag-verify); }
  .step-type-select.is-agent { border-color: #a855f7; color: #a855f7; }
  .step-type-select.is-parallel { border-color: #10b981; color: #10b981; pointer-events: none; }
  .step-card.type-agent { border-left: 3px solid #a855f7; }
  .step-card.type-parallel { border-left: 3px solid #10b981; }
  .agent-section { display: flex; flex-direction: column; gap: 10px; padding: 4px 0; }
  .agent-goal { min-height: 80px; width: 100%; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); resize: vertical; }
  .agent-tools-grid { display: flex; flex-wrap: wrap; gap: 6px; }
  .agent-tool-item { font-size: 11px; display: flex; align-items: center; gap: 3px; padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; }
  .agent-tool-item:has(input:checked) { border-color: rgba(168,85,247,.5); background: rgba(168,85,247,.08); }
  .agent-tool-item input { accent-color: #a855f7; }
  .agent-scripts-list { display: flex; flex-direction: column; gap: 4px; }
  .agent-script-card { border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; font-size: 11px; display: flex; align-items: center; justify-content: space-between; }
  .agent-script-card .script-info { display: flex; align-items: center; gap: 6px; }
  .agent-script-card .script-lang { background: rgba(168,85,247,.12); color: #a855f7; padding: 1px 5px; border-radius: 3px; font-size: 9px; font-weight: 600; }
  .agent-output-tags { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
  .agent-output-tag { background: rgba(168,85,247,.12); border: 1px solid rgba(168,85,247,.3); border-radius: 12px; padding: 2px 8px; font-size: 11px; display: flex; align-items: center; gap: 4px; }
  .agent-output-tag .tag-del { cursor: pointer; color: var(--muted); font-size: 13px; }
  .agent-output-tag .tag-del:hover { color: var(--error); }

  /* Parallel step styles */
  .parallel-section { display: flex; flex-direction: column; gap: 8px; padding: 4px 0; }
  .parallel-branches { display: flex; flex-direction: column; gap: 8px; }
  .parallel-branch { border: 1px solid rgba(16,185,129,.25); border-radius: 8px; padding: 8px 12px; background: rgba(16,185,129,.03); }
  .parallel-branch-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
  .parallel-branch-name { flex: 1; font-size: 11px; font-weight: 600; padding: 3px 8px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: #10b981; }
  .parallel-branch-steps { display: flex; flex-direction: column; gap: 4px; }
  .parallel-branch-step { display: flex; align-items: center; gap: 6px; padding: 4px 8px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); font-size: 11px; }
  .pbs-label { font-size: 9px; font-weight: 700; padding: 1px 4px; border-radius: 3px; background: rgba(99,102,241,.12); color: var(--accent); }
  .pbs-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
  .pbs-del { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 14px; padding: 0 4px; }
  .pbs-del:hover { color: var(--error); }
  .parallel-branch-add { display: flex; gap: 4px; margin-top: 6px; }
  .parallel-branch-add button { font-size: 9px; padding: 2px 8px; border-radius: 4px; border: 1px dashed rgba(16,185,129,.4); background: none; color: rgba(16,185,129,.8); cursor: pointer; }
  .parallel-branch-add button:hover { border-color: #10b981; color: #10b981; background: rgba(16,185,129,.08); }
  .parallel-branch-step-expanded { padding: 10px 12px; border: 1px solid rgba(16,185,129,.4); border-radius: 8px; background: var(--surface); margin: 4px 0; }
  .parallel-branch-step-expanded .raw-area, .parallel-branch-step-expanded .rules-area, .parallel-branch-step-expanded .agent-goal { width: 100%; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); resize: vertical; }
  .parallel-branch-step-expanded .raw-area { min-height: 140px; }
  .parallel-branch-step-expanded .rules-area { min-height: 40px; }
  .parallel-branch-step-expanded .step-name { padding: 4px 8px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text); font-size: 12px; font-weight: 500; }
  .parallel-branch-step:hover { border-color: rgba(16,185,129,.5); background: rgba(16,185,129,.06); }
  .parallel-branch-step.dragging { opacity: .4; }
  .parallel-branch-step.drag-over { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
  .pbs-drag-handle { cursor: grab; color: var(--muted); font-size: 10px; user-select: none; padding: 0 2px; }
  .pbs-drag-handle:hover { color: var(--text); }

  /* Parallel progress display */
  .parallel-progress { display: flex; flex-direction: column; gap: 4px; padding: 8px 0; }
  .ppr-branch { display: flex; align-items: center; gap: 8px; padding: 4px 8px; border-radius: 5px; font-size: 11px; border: 1px solid var(--border); }
  .ppr-branch.ppr-running { border-color: var(--warning); background: rgba(245,158,11,.05); }
  .ppr-branch.ppr-ok { border-color: var(--success); background: rgba(34,197,94,.05); }
  .ppr-branch.ppr-err { border-color: var(--error); background: rgba(239,68,68,.05); }
  .ppr-icon { font-size: 12px; }
  .ppr-running .ppr-icon { color: var(--warning); animation: flowPulse 1.2s infinite; }
  .ppr-ok .ppr-icon { color: var(--success); }
  .ppr-err .ppr-icon { color: var(--error); }
  .ppr-name { font-weight: 600; color: var(--text); min-width: 60px; }
  .ppr-count { color: var(--muted); font-size: 10px; }
  .ppr-status { color: var(--muted); font-size: 10px; flex: 1; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .step-scheme { padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 11px; outline: none; }
  .step-actions { display: flex; gap: 4px; }
  .step-body { padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
  .step-body-split { display: flex; flex-direction: row; gap: 0; }
  .step-body-left { flex: 1; display: flex; flex-direction: column; gap: 8px; padding-right: 10px; min-width: 0; max-width: 50%; }
  .step-body-right { flex: 1; min-width: 0; border-left: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden; }
  .step-body-right .step-result { margin-top: 0; border-top: none; padding-top: 0; flex: 1; display: flex; flex-direction: column; }
  .step-body-right-empty { display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 11px; padding: 20px; flex: 1; }
  @media (max-width: 900px) {
    .step-body-split { flex-direction: column; }
    .step-body-right { width: 100%; min-width: 0; border-left: none; border-top: 1px solid var(--border); margin-top: 8px; }
    .step-body-left { padding-right: 0; }
  }

  label { font-size: 11px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
  textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 10px; color: var(--text); font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; line-height: 1.6; resize: vertical; outline: none; transition: border-color .15s; }
  textarea:focus { border-color: var(--accent); }
  textarea.rules-area { min-height: 60px; }
  textarea.raw-area { min-height: 350px; }

  .step-result { margin-top: 4px; border-top: 1px solid var(--border); padding-top: 8px; }
  .step-result-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
  .step-result-split { display: flex; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; min-height: 120px; }
  .step-result-left, .step-result-right { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
  .step-result-left { border-right: 1px solid var(--border); }
  .step-result-pane-title { font-size: 9px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; padding: 5px 10px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); font-weight: 600; flex-shrink: 0; display: flex; align-items: center; justify-content: space-between; }
  .step-result-pane-body { flex: 1; overflow: auto; padding: 6px 10px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; line-height: 1.5; white-space: pre-wrap; word-break: break-all; background: var(--bg); max-height: 400px; }
  .btn-resend { font-size: 10px; padding: 2px 8px; border: 1px solid rgba(99,102,241,.3); border-radius: 4px; background: none; color: rgba(99,102,241,.7); cursor: pointer; transition: all .15s; }
  .btn-resend:hover { border-color: var(--accent); color: var(--accent); background: rgba(99,102,241,.06); }
  .btn-resend:disabled { opacity: .4; cursor: not-allowed; }
  @media (max-width: 768px) {
    .step-result-split { flex-direction: column; }
    .step-result-left { border-right: none; border-bottom: 1px solid var(--border); }
  }
  .resolved-raw-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 4px 0; user-select: none; }
  .resolved-raw-toggle .fc-arrow { font-size: 10px; color: var(--muted); transition: transform .2s; display: inline-block; }
  .resolved-raw-toggle.open .fc-arrow { transform: rotate(90deg); }
  .resolved-raw-body { display: none; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 8px 10px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; color: var(--text); white-space: pre-wrap; word-break: break-all; margin: 4px 0 8px; max-height: 500px; overflow-y: auto; }
  .resolved-raw-body.open { display: block; }
  .badge { padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 600; }
  .badge-ok { background: rgba(34,197,94,.15); color: var(--success); }
  .badge-err { background: rgba(239,68,68,.15); color: var(--error); }
  .badge-transform { background: rgba(249,115,22,.15); color: var(--transform); }
  .result-body { background: var(--bg); border-radius: var(--radius); padding: 8px 10px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; line-height: 1.5; white-space: pre-wrap; word-break: break-all; max-height: 320px; overflow-y: auto; position: relative; }
  .result-body.expanded { max-height: none; }
  .result-toolbar { display: flex; gap: 6px; margin-bottom: 4px; }
  .result-toolbar .btn-sm { font-size: 10px; padding: 2px 8px; }
  .json-key { color: #7dd3fc; }
  .json-str { color: #86efac; }
  .json-num { color: #fbbf24; }
  .json-bool { color: #c084fc; }
  .json-null { color: var(--muted); }
  .extracted-vars { margin-top: 6px; }
  .var-tag { display: inline-block; background: rgba(99,102,241,.15); color: var(--accent-hover); padding: 2px 7px; border-radius: 4px; font-size: 10px; margin: 2px 4px 2px 0; font-family: monospace; }
  .var-tag-err { background: rgba(239,68,68,.15); color: #f87171; }

  /* ===== Context Menu ===== */
  .ctx-menu { position: fixed; z-index: 9999; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 4px 0; min-width: 200px; box-shadow: 0 8px 24px rgba(0,0,0,.5); display: none; }
  .ctx-menu.visible { display: block; }
  .ctx-menu-item { display: flex; align-items: center; gap: 8px; padding: 7px 14px; font-size: 12px; color: var(--text); cursor: pointer; transition: background .1s; white-space: nowrap; }
  .ctx-menu-item:hover { background: rgba(99,102,241,.12); }
  .ctx-menu-item .ctx-icon { font-size: 14px; width: 18px; text-align: center; flex-shrink: 0; }
  .ctx-menu-item .ctx-label { flex: 1; }
  .ctx-menu-item .ctx-hint { font-size: 10px; color: var(--muted); }
  .ctx-menu-sep { height: 1px; background: var(--border); margin: 4px 0; }
  .ctx-menu-header { padding: 4px 14px; font-size: 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; overflow: hidden; text-overflow: ellipsis; max-width: 280px; }

  /* ===== Extract Rule Dialog ===== */
  .extract-dialog-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 9998; display: none; align-items: center; justify-content: center; }
  .extract-dialog-overlay.visible { display: flex; }
  .extract-dialog { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; width: 480px; max-width: 94vw; padding: 20px; }
  .extract-dialog h4 { font-size: 14px; font-weight: 600; margin-bottom: 14px; }
  .extract-dialog .ed-preview { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px 14px; font-family: 'SF Mono', monospace; font-size: 12px; color: var(--success); margin-bottom: 12px; word-break: break-all; }
  .extract-dialog .ed-field { margin-bottom: 10px; }
  .extract-dialog .ed-field label { display: block; margin-bottom: 4px; }
  .extract-dialog .ed-field input { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 7px 10px; color: var(--text); font-size: 12px; outline: none; }
  .extract-dialog .ed-field input:focus { border-color: var(--accent); }
  .extract-dialog .ed-type { display: inline-block; font-size: 10px; padding: 2px 8px; border-radius: 3px; font-weight: 700; margin-bottom: 8px; }
  .extract-dialog .ed-type.t-json { background: rgba(34,197,94,.15); color: var(--success); }
  .extract-dialog .ed-type.t-regex { background: rgba(245,158,11,.15); color: var(--warning); }
  .extract-dialog .ed-type.t-header { background: rgba(59,130,246,.15); color: #3b82f6; }
  .extract-dialog .ed-paths { margin-bottom: 10px; }
  .extract-dialog .ed-path-option { display: flex; align-items: center; gap: 8px; padding: 5px 10px; border-radius: 4px; cursor: pointer; font-family: 'SF Mono', monospace; font-size: 11px; transition: background .1s; }
  .extract-dialog .ed-path-option:hover { background: rgba(99,102,241,.08); }
  .extract-dialog .ed-path-option.selected { background: rgba(99,102,241,.15); color: var(--accent-hover); }
  .extract-dialog .ed-path-option input[type="radio"] { accent-color: var(--accent); }
  .extract-dialog .ed-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
  .extract-dialog .ed-step-name { font-size: 11px; color: var(--muted); margin-bottom: 8px; }

  /* ===== Step Insert Bar ===== */
  .step-insert-bar { display: flex; align-items: center; gap: 6px; padding: 2px 0; opacity: 0; transition: opacity .2s; }
  .step-insert-bar:hover, .step-insert-bar:focus-within { opacity: 1; }
  .step-insert-line { flex: 1; height: 1px; background: var(--border); }
  .step-insert-btn { font-size: 10px; padding: 2px 10px; border: 1px dashed rgba(99,102,241,.3); border-radius: 4px; background: none; color: rgba(99,102,241,.7); cursor: pointer; white-space: nowrap; transition: all .15s; }
  .step-insert-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(99,102,241,.06); }
  .step-insert-btn-tf { color: rgba(249,115,22,.7); border-color: rgba(249,115,22,.3); }
  .step-insert-btn-tf:hover { border-color: var(--transform); color: var(--transform); background: rgba(249,115,22,.06); }

  /* ===== Flow Control Panel ===== */
  .fc-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 6px 0; user-select: none; }
  .fc-toggle .fc-arrow { font-size: 10px; color: var(--muted); transition: transform .2s; display: inline-block; }
  .fc-toggle.open .fc-arrow { transform: rotate(90deg); }
  .fc-toggle .fc-label { font-size: 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
  .fc-toggle .fc-badge { font-size: 9px; padding: 1px 5px; border-radius: 3px; background: rgba(99,102,241,.15); color: var(--accent-hover); }
  .fc-panel { display: none; flex-direction: column; gap: 8px; padding: 8px 10px; background: rgba(99,102,241,.04); border: 1px solid rgba(99,102,241,.12); border-radius: var(--radius); }
  .fc-panel.open { display: flex; }
  .fc-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .fc-row-label { font-size: 10px; color: var(--muted); font-weight: 500; min-width: 64px; flex-shrink: 0; }
  .fc-input { flex: 1; min-width: 120px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 4px 8px; color: var(--text); font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; outline: none; }
  .fc-input:focus { border-color: var(--accent); }
  .fc-select { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 4px 8px; color: var(--text); font-size: 11px; outline: none; cursor: pointer; }
  .fc-select:focus { border-color: var(--accent); }
  .fc-goto-rule { display: flex; align-items: center; gap: 6px; padding: 4px 0; flex-wrap: wrap; }
  .fc-goto-rule .fc-goto-arrow { font-size: 11px; color: var(--muted); flex-shrink: 0; }
  .fc-goto-del { background: none; border: none; color: var(--error); cursor: pointer; font-size: 12px; padding: 0 4px; opacity: .6; }
  .fc-goto-del:hover { opacity: 1; }
  .fc-add-goto { font-size: 10px; color: var(--accent); cursor: pointer; background: none; border: 1px dashed rgba(99,102,241,.3); border-radius: 4px; padding: 3px 10px; }
  .fc-add-goto:hover { border-color: var(--accent); }
  .fc-hint { font-size: 9px; color: var(--muted); margin-left: 64px; }

  /* ===== Transform visual UI ===== */
  .tf-section { display: flex; flex-direction: column; gap: 8px; }
  .tf-row { display: flex; align-items: center; gap: 8px; }
  .tf-label { font-size: 10px; color: var(--transform); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; min-width: 52px; flex-shrink: 0; }
  .tf-input { flex: 1; background: var(--bg); border: 1px solid rgba(249,115,22,.3); border-radius: var(--radius); padding: 8px 10px; color: var(--text); font-family: 'SF Mono', monospace; font-size: 12px; outline: none; min-height: 32px; resize: vertical; overflow: auto; line-height: 1.4; }
  .tf-input:focus { border-color: var(--transform); }
  .tf-input::placeholder { color: var(--muted); }

  .tf-ops-chain { display: flex; flex-direction: column; gap: 0; margin: 4px 0 4px 16px; border-left: 2px solid rgba(249,115,22,.2); padding-left: 12px; }
  .tf-op-card { display: flex; align-items: center; gap: 6px; padding: 5px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; margin: 3px 0; transition: border-color .15s; }
  .tf-op-card:hover { border-color: var(--transform); }
  .tf-op-card .op-handle { cursor: grab; color: var(--muted); font-size: 11px; user-select: none; }
  .tf-op-card .op-handle:active { cursor: grabbing; }
  .tf-op-idx { font-size: 9px; font-weight: 700; color: var(--transform); min-width: 14px; text-align: center; }
  .tf-op-name { font-size: 11px; font-weight: 600; color: var(--text); font-family: 'SF Mono', monospace; white-space: nowrap; }
  .tf-op-args { display: flex; gap: 4px; flex: 1; min-width: 0; }
  .tf-op-arg { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15); border-radius: 4px; padding: 6px 8px; color: var(--text); font-family: 'SF Mono', monospace; font-size: 11px; outline: none; min-width: 80px; flex: 1; }
  .tf-op-arg:focus { border-color: var(--transform); background: rgba(255,255,255,.1); }
  .tf-op-arg::placeholder { color: rgba(255,255,255,.35); font-size: 10px; font-style: italic; }
  .tf-op-del { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 13px; padding: 0 2px; line-height: 1; transition: color .15s; }
  .tf-op-del:hover { color: var(--error); }
  .tf-op-card.js-eval-card { flex-wrap: wrap; }
  .tf-op-card.js-eval-card .tf-op-args { width: 100%; flex: none; margin-top: 4px; }
  .tf-jseval-code { width: 100%; min-height: 120px; font-family: 'SF Mono', monospace; font-size: 11px; padding: 8px; border: 1px solid rgba(168,85,247,.3); border-radius: 6px; background: rgba(0,0,0,.3); color: var(--fg); resize: vertical; line-height: 1.5; tab-size: 2; }
  .tf-jseval-code:focus { border-color: #a855f7; outline: none; background: rgba(0,0,0,.4); }
  .tf-jseval-code::placeholder { color: rgba(255,255,255,.3); }

  .tf-add-row { display: flex; align-items: center; gap: 6px; margin: 2px 0 2px 16px; padding-left: 14px; position: relative; z-index: 10; }
  .tf-add-btn { background: none; border: 1px dashed rgba(249,115,22,.3); border-radius: 6px; color: var(--transform); padding: 4px 12px; font-size: 11px; cursor: pointer; transition: all .15s; width: 100%; text-align: left; }
  .tf-add-btn:hover { border-color: var(--transform); background: rgba(249,115,22,.05); }

  /* Operation picker dropdown */
  .op-picker { position: absolute; left: 0; bottom: 100%; z-index: 999; width: 340px; max-height: 320px; overflow-y: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,.5); display: none; margin-bottom: 4px; }
  .op-picker.visible { display: block; }
  .op-picker-search { width: 100%; padding: 8px 12px; background: var(--bg); border: none; border-bottom: 1px solid var(--border); color: var(--text); font-size: 12px; outline: none; }
  .op-picker-search::placeholder { color: var(--muted); }
  .op-cat-label { padding: 6px 12px 2px; font-size: 10px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
  .op-picker-item { padding: 5px 12px; cursor: pointer; font-size: 11px; font-family: 'SF Mono', monospace; color: var(--text); display: flex; align-items: center; gap: 8px; transition: background .1s; }
  .op-picker-item:hover { background: rgba(249,115,22,.1); }
  .op-picker-item .op-desc { font-family: -apple-system, sans-serif; font-size: 10px; color: var(--muted); }
  .op-picker-item.hidden { display: none; }

  /* ===== Toolbar Dropdowns ===== */
  .toolbar-dropdown { position: relative; display: inline-block; }
  .toolbar-dropdown-btn { display: flex; align-items: center; gap: 4px; }
  .toolbar-dropdown-btn::after { content: '▾'; font-size: 9px; opacity: .6; }
  .toolbar-dropdown-menu { display: none; position: absolute; top: 100%; left: 0; margin-top: 4px; min-width: 150px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,.4); z-index: 100; padding: 4px 0; }
  .toolbar-dropdown-menu.visible { display: block; }
  .toolbar-dropdown-menu .tdd-item { padding: 6px 14px; font-size: 11px; cursor: pointer; white-space: nowrap; transition: background .1s; }
  .toolbar-dropdown-menu .tdd-item:hover { background: rgba(99,102,241,.1); }
  .toolbar-dropdown-menu .tdd-sep { height: 1px; background: var(--border); margin: 4px 0; }

  /* ===== AI Panel ===== */
  .ai-panel { position: fixed; top: 0; right: -420px; width: 420px; height: 100vh; background: var(--surface); border-left: 1px solid var(--border); display: flex; flex-direction: column; z-index: 300; transition: right .3s ease; box-shadow: -4px 0 20px rgba(0,0,0,.3); }
  .ai-panel.visible { right: 0; }
  .ai-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); }
  .ai-panel-title { font-size: 14px; font-weight: 600; }
  .ai-panel-actions { display: flex; gap: 6px; }
  .ai-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
  .ai-welcome { font-size: 12px; color: var(--muted); line-height: 1.6; padding: 20px; text-align: center; }
  .ai-msg { max-width: 92%; padding: 10px 14px; border-radius: 12px; font-size: 12px; line-height: 1.6; word-break: break-word; white-space: pre-wrap; }
  .ai-msg-user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
  .ai-msg-assistant { align-self: flex-start; background: var(--bg); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
  .ai-msg-tool { align-self: flex-start; background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.2); border-radius: 8px; font-size: 11px; font-family: 'SF Mono', monospace; }
  .ai-msg-tool .tool-name { font-weight: 600; color: var(--success); margin-bottom: 4px; }
  .ai-msg-tool .tool-result { color: var(--muted); max-height: 200px; overflow-y: auto; }
  .ai-msg-error { align-self: flex-start; background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.2); color: var(--error); }
  .ai-msg-agent-log { align-self: flex-start; padding: 4px 10px; color: var(--muted); font: 10px 'SF Mono', monospace; opacity: .8; }
  .ai-input-area { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); align-items: flex-end; }
  .ai-input-area textarea { flex: 1; resize: none; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px; color: var(--text); font-size: 12px; font-family: inherit; outline: none; max-height: 120px; }
  .ai-input-area textarea:focus { border-color: var(--accent); }
  .ai-input-area .btn { padding: 8px 14px; }
  .ai-config-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 400; display: none; align-items: center; justify-content: center; }
  .ai-config-overlay.visible { display: flex; }
  .ai-config-modal { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; width: 380px; max-width: 90vw; }
  .ai-config-modal h3 { font-size: 15px; margin-bottom: 16px; }
  .ai-config-field { margin-bottom: 12px; }
  .ai-config-field label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; font-weight: 500; }
  .ai-config-field input, .ai-config-field select { width: 100%; padding: 8px 10px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 12px; outline: none; }
  .ai-config-field input:focus, .ai-config-field select:focus { border-color: var(--accent); }
  .ai-config-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
  .ai-typing { display: flex; gap: 4px; padding: 8px 14px; align-self: flex-start; }
  .ai-typing span { width: 6px; height: 6px; background: var(--muted); border-radius: 50%; animation: aiBounce .6s infinite alternate; }
  .ai-typing span:nth-child(2) { animation-delay: .2s; }
  .ai-typing span:nth-child(3) { animation-delay: .4s; }
  @keyframes aiBounce { to { opacity: .3; transform: translateY(-3px); } }
  .ai-code-block { background: var(--bg); padding: 10px 12px; border-radius: 6px; overflow-x: auto; font-size: 11px; font-family: 'SF Mono', 'Fira Code', monospace; margin: 6px 0; line-height: 1.5; border: 1px solid var(--border); }
  .ai-code-block code { white-space: pre; }
  .ai-inline-code { background: var(--bg); padding: 1px 5px; border-radius: 3px; font-size: 11px; font-family: 'SF Mono', monospace; border: 1px solid var(--border); }

  /* ===== Right panel: Log ===== */
  .log-section { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
  .log-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 14px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
  .log-header h2 { font-size: 13px; }
  .log-toolbar { display: flex; align-items: center; gap: 4px; padding: 6px 14px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.01); flex-wrap: wrap; }
  .log-status { font-size: 11px; font-weight: 600; }
  .log-status.running { color: var(--warning); }
  .log-status.done { color: var(--success); }
  .log-status.error { color: var(--error); }
  .log-status.idle { color: var(--muted); }

  .tag-filter { padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: all .15s; text-transform: uppercase; letter-spacing: .3px; user-select: none; }
  .tag-filter.active { opacity: 1; }
  .tag-filter:not(.active) { opacity: .35; }
  .tag-filter:hover { opacity: .8; }
  .tag-filter[data-tag="ALL"] { background: rgba(255,255,255,.1); color: var(--text); border-color: var(--border); }
  .tag-filter[data-tag="SYSTEM"] { background: rgba(139,92,246,.15); color: var(--tag-system); }
  .tag-filter[data-tag="PROXY"] { background: rgba(245,158,11,.15); color: var(--tag-proxy); }
  .tag-filter[data-tag="HTTP"] { background: rgba(59,130,246,.15); color: var(--tag-http); }
  .tag-filter[data-tag="EXTRACT"] { background: rgba(34,197,94,.15); color: var(--tag-extract); }
  .tag-filter[data-tag="PIPELINE"] { background: rgba(236,72,153,.15); color: var(--tag-pipeline); }
  .tag-filter[data-tag="VERIFY"] { background: rgba(6,182,212,.15); color: var(--tag-verify); }

  .log-body { flex: 1; padding: 6px 10px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; line-height: 1.7; overflow-y: auto; background: var(--bg); }
  .log-line { display: flex; align-items: flex-start; gap: 6px; padding: 1px 0; }
  .log-line.hidden { display: none; }
  .log-time { color: var(--muted); flex-shrink: 0; font-size: 10px; min-width: 60px; }
  .log-tag { flex-shrink: 0; padding: 0 5px; border-radius: 3px; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .3px; line-height: 18px; min-width: 58px; text-align: center; }
  .log-tag.SYSTEM { background: rgba(139,92,246,.2); color: var(--tag-system); }
  .log-tag.PROXY { background: rgba(245,158,11,.2); color: var(--tag-proxy); }
  .log-tag.HTTP { background: rgba(59,130,246,.2); color: var(--tag-http); }
  .log-tag.EXTRACT { background: rgba(34,197,94,.2); color: var(--tag-extract); }
  .log-tag.PIPELINE { background: rgba(236,72,153,.2); color: var(--tag-pipeline); }
  .log-tag.VERIFY { background: rgba(6,182,212,.2); color: var(--tag-verify); }
  .log-msg { color: var(--text); word-break: break-all; flex: 1; }
  .log-line.is-error .log-msg { color: var(--error); }

  .proxy-card { margin: 6px 10px; padding: 8px 12px; border-radius: var(--radius); background: rgba(245,158,11,.06); border: 1px solid rgba(245,158,11,.2); display: none; font-size: 11px; }
  .proxy-card.visible { display: block; }
  .proxy-card-title { font-size: 10px; font-weight: 700; color: var(--tag-proxy); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
  .proxy-card-row { display: flex; gap: 16px; color: var(--muted); }
  .proxy-card-row span { white-space: nowrap; }
  .proxy-card-row .val { color: var(--text); font-family: 'SF Mono', monospace; }

  .vars-section { border-top: 1px solid var(--border); padding: 10px 14px; max-height: 160px; overflow-y: auto; }
  .vars-section h3 { font-size: 11px; margin-bottom: 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
  .var-row { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
  .var-ref { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 3px 8px; color: var(--accent-hover); cursor: pointer; transition: all .15s; user-select: all; white-space: nowrap; }
  .var-ref:hover { border-color: var(--accent); background: rgba(99,102,241,.1); }
  .var-ref.copied { border-color: var(--success); color: var(--success); }
  .var-val { font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; cursor: pointer; }
  .var-val:hover { color: var(--fg); }
  .var-expand { font-size: 10px; color: var(--accent); cursor: pointer; white-space: nowrap; padding: 2px 6px; border: 1px solid var(--accent); border-radius: 3px; }
  .var-expand:hover { background: rgba(99,102,241,.1); }
  .empty-hint { text-align: center; padding: 40px; color: var(--muted); font-size: 13px; }

  .modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 100; display: none; align-items: center; justify-content: center; }
  .modal-overlay.visible { display: flex; }
  .modal-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; width: 560px; max-width: 90vw; }
  .modal-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); }
  .modal-close { background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; line-height: 1; }
  .modal-close:hover { color: var(--error); }
  .modal-body { padding: 12px 16px; }
  .modal-footer { padding: 10px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
  .modal { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; width: 460px; max-width: 90vw; max-height: 80vh; overflow-y: auto; }
  .modal h3 { font-size: 14px; margin-bottom: 12px; }
  .modal-input { width: 100%; padding: 8px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 13px; outline: none; margin-bottom: 12px; }
  .modal-input:focus { border-color: var(--accent); }
  .modal-input::placeholder { color: var(--muted); }
  .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
  .relay-vars-modal { width: 760px; max-width: 94vw; max-height: 88vh; }
  .relay-vars-meta { color: var(--muted); font-size: 11px; margin: -4px 0 8px; }
  .relay-vars-hint { color: var(--muted); font-size: 11px; margin-bottom: 10px; }
  .relay-vars-list { max-height: 55vh; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding-right: 2px; }
  .relay-var-row { display: flex; align-items: flex-start; gap: 6px; }
  .relay-var-key { flex: 0 0 29%; min-width: 120px; padding: 7px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; color: var(--accent-hover); font: 11px 'SF Mono', 'Fira Code', monospace; }
  .relay-var-value { flex: 1; min-height: 38px; max-height: 180px; resize: vertical; padding: 7px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; color: var(--text); font: 11px 'SF Mono', 'Fira Code', monospace; line-height: 1.45; }
  .relay-var-key:focus, .relay-var-value:focus { outline: none; border-color: var(--accent); }
  .relay-var-delete { flex: 0 0 auto; padding: 6px 8px; color: var(--error); }
  .relay-vars-add { margin-top: 10px; }
  .relay-vars-empty { color: var(--muted); font-size: 11px; padding: 18px 0; text-align: center; border: 1px dashed var(--border); border-radius: 4px; }
  .pipeline-load-overlay { position: fixed; inset: 0; z-index: 5000; display: none; align-items: center; justify-content: center; background: rgba(0,0,0,.62); }
  .pipeline-load-overlay.visible { display: flex; }
  .pipeline-load-panel { width: 420px; max-width: 88vw; padding: 18px 20px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); box-shadow: 0 16px 48px rgba(0,0,0,.35); }
  .pipeline-load-title { font-size: 14px; font-weight: 600; color: var(--text); }
  .pipeline-load-detail { min-height: 17px; margin-top: 6px; font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .pipeline-load-track { height: 6px; margin-top: 12px; overflow: hidden; border-radius: 3px; background: var(--bg); border: 1px solid var(--border); }
  .pipeline-load-bar { width: 0; height: 100%; background: var(--accent); transition: width .12s linear; }
  .pipeline-load-percent { margin-top: 6px; text-align: right; color: var(--muted); font: 11px 'SF Mono', 'Fira Code', monospace; }
  .pipeline-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
  .pipeline-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); cursor: pointer; transition: all .15s; }
  .pipeline-item:hover { border-color: var(--accent); background: rgba(99,102,241,.05); }
  .pipeline-item-info { flex: 1; min-width: 0; }
  .pipeline-item-name { font-size: 13px; font-weight: 500; }
  .pipeline-item-meta { font-size: 10px; color: var(--muted); margin-top: 2px; }
  .pipeline-item-actions { display: flex; gap: 4px; flex-shrink: 0; }
  .divider { border: none; border-top: 1px solid var(--border); margin: 8px 0; }
  .btn-group { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
  .btn-group .btn { border-radius: 0; border: none; border-right: 1px solid var(--border); }
  .btn-group .btn:last-child { border-right: none; }

  /* Step template button */
  .btn-save-step { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 12px; padding: 2px 5px; transition: color .15s; title: '保存为模板'; }
  .btn-save-step:hover { color: var(--success); }

  /* Step template modal */
  .step-tpl-item {
    display: flex; align-items: center; gap: 8px; padding: 8px 12px;
    border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg);
    cursor: pointer; transition: all .15s; margin-bottom: 6px;
  }
  .step-tpl-item:hover { border-color: var(--accent); background: rgba(99,102,241,.05); }
  .step-tpl-info { flex: 1; min-width: 0; }
  .step-tpl-name { font-size: 12px; font-weight: 500; }
  .step-tpl-meta { font-size: 10px; color: var(--muted); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .step-tpl-type { font-size: 9px; font-weight: 700; padding: 1px 6px; border-radius: 3px; text-transform: uppercase; flex-shrink: 0; }
  .step-tpl-type.req { background: rgba(99,102,241,.15); color: var(--accent); }
  .step-tpl-type.tf { background: rgba(249,115,22,.15); color: var(--transform); }

  .btn-proxy-cfg { display: flex; align-items: center; gap: 6px; font-size: 11px; }
  .cfg-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
  .cfg-dot.cfg-configured { background: var(--success); box-shadow: 0 0 6px rgba(34,197,94,.5); }
  .cfg-dot.cfg-unconfigured { background: var(--error); box-shadow: 0 0 6px rgba(239,68,68,.5); }

  /* Auth page */
  .auth-overlay { position: fixed; inset: 0; background: var(--bg); z-index: 9999; display: flex; align-items: center; justify-content: center; }
  .auth-overlay.hidden { display: none; }
  .auth-box { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 32px; width: 380px; max-width: 90vw; }
  .auth-box h2 { font-size: 20px; font-weight: 700; margin-bottom: 4px; text-align: center; }
  .auth-subtitle { font-size: 12px; color: var(--muted); text-align: center; margin-bottom: 24px; }
  .auth-field { margin-bottom: 16px; }
  .auth-field label { display: block; margin-bottom: 6px; font-size: 12px; color: var(--muted); font-weight: 500; text-transform: none; letter-spacing: 0; }
  .auth-input { width: 100%; padding: 10px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 14px; outline: none; transition: border-color .15s; }
  .auth-input:focus { border-color: var(--accent); }
  .auth-input::placeholder { color: var(--muted); }
  .auth-btn { width: 100%; padding: 10px; background: var(--accent); color: #fff; border: none; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s; margin-top: 8px; }
  .auth-btn:hover { background: var(--accent-hover); }
  .auth-btn:disabled { opacity: .5; cursor: not-allowed; }
  .auth-switch { text-align: center; margin-top: 16px; font-size: 12px; color: var(--muted); }
  .auth-switch a { color: var(--accent); cursor: pointer; text-decoration: none; font-weight: 500; }
  .auth-switch a:hover { color: var(--accent-hover); text-decoration: underline; }
  .auth-error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: var(--error); padding: 8px 12px; border-radius: var(--radius); font-size: 12px; margin-bottom: 12px; display: none; }
  .auth-error.visible { display: block; }

  .user-info { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
  .user-info .username { color: var(--text); font-weight: 500; }
  .btn-logout { background: none; border: 1px solid var(--border); color: var(--muted); cursor: pointer; font-size: 11px; padding: 4px 10px; border-radius: var(--radius); transition: all .15s; }
  .btn-logout:hover { border-color: var(--error); color: var(--error); }

  .btn-toggle-disable { background: none; border: 1px solid var(--border); color: var(--muted); cursor: pointer; font-size: 10px; padding: 2px 6px; transition: all .15s; font-weight: 600; border-radius: 4px; }
  .btn-toggle-disable:hover { border-color: var(--warning); color: var(--warning); }
  .btn-toggle-disable.is-disabled { border-color: var(--warning); color: var(--warning); background: rgba(245,158,11,.1); }
  .btn-toggle-debug { background: none; border: 1px solid var(--border); color: var(--muted); cursor: pointer; font-size: 10px; padding: 2px 6px; transition: all .15s; font-weight: 600; border-radius: 4px; }
  .btn-toggle-debug:hover { border-color: var(--error); color: var(--error); }
  .btn-toggle-debug.is-debug { border-color: var(--error); color: var(--error); background: rgba(239,68,68,.1); }
  .btn-import { background: none; border: 1px solid rgba(168,85,247,.3); color: #a855f7; cursor: pointer; font-size: 10px; padding: 2px 6px; transition: all .15s; font-weight: 600; border-radius: 4px; }
  .btn-import:hover { background: rgba(168,85,247,.1); border-color: #a855f7; }
  .btn-verify { background: none; border: none; color: var(--tag-verify); cursor: pointer; font-size: 11px; padding: 2px 6px; transition: all .15s; font-weight: 600; border: 1px solid rgba(6,182,212,.3); border-radius: 4px; }
  .btn-verify:hover { background: rgba(6,182,212,.1); border-color: var(--tag-verify); }
  .btn-verify:disabled { opacity: .5; cursor: not-allowed; }
  .btn-relay { background: none; border: 1px solid rgba(34,197,94,.3); color: var(--success); cursor: pointer; font-size: 10px; padding: 2px 6px; transition: all .15s; font-weight: 600; border-radius: 4px; }
  .btn-relay:hover { background: rgba(34,197,94,.1); border-color: var(--success); }
  .btn-relay:disabled { opacity: .35; cursor: not-allowed; border-color: var(--border); color: var(--muted); }
  .btn-relay:disabled:hover { background: none; }
  .verify-badge { padding: 3px 8px; border-radius: 4px; font-size: 10px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
  .verify-ok { background: rgba(0,212,170,.08); color: rgba(0,212,170,.7); border: 1px solid rgba(0,212,170,.15); }
  .verify-fail { background: rgba(239,68,68,.08); color: var(--error); border: 1px solid rgba(239,68,68,.2); }
  .verify-detail { margin-top: 6px; padding: 8px 10px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); font-size: 11px; font-family: 'SF Mono', monospace; }
  .verify-diff-item { color: var(--error); padding: 1px 0; }
  .verify-note-item { color: var(--tag-verify); padding: 1px 0; }
  .verify-rebuilt { margin-top: 6px; }
  .verify-rebuilt summary { cursor: pointer; color: var(--muted); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
  .verify-rebuilt pre { margin-top: 4px; white-space: pre-wrap; word-break: break-all; max-height: 200px; overflow-y: auto; color: var(--text); line-height: 1.5; }

  /* ===== Auth / Login ===== */
  .auth-overlay { position: fixed; inset: 0; background: #05080f; z-index: 9999; display: flex; align-items: center; justify-content: center; font-family: 'Press Start 2P', 'JetBrains Mono', 'Fira Code', monospace; overflow: hidden; }
  .auth-overlay::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 800px; height: 800px; background: radial-gradient(circle, rgba(92,207,230,0.04) 0%, rgba(186,230,126,0.02) 40%, transparent 70%); pointer-events: none; animation: authPulse 4s ease-in-out infinite; }
  @keyframes authPulse { 0%,100% { opacity: 0.5; transform: translate(-50%,-50%) scale(1); } 50% { opacity: 0.8; transform: translate(-50%,-50%) scale(1.05); } }
  .auth-overlay.hidden { display: none; }
  .auth-card { background: rgba(10,22,40,0.8); border: 1px solid #1e3a5f; border-radius: 4px; padding: 36px 32px; width: 380px; max-width: 92vw; position: relative; backdrop-filter: blur(8px); }
  .auth-card h2 { font-family: 'Press Start 2P', monospace; font-size: 14px; font-weight: 800; margin-bottom: 6px; text-align: center; color: #5ccfe6; letter-spacing: 1px; }
  .auth-card .auth-sub { font-size: 9px; color: #4a5f70; text-align: center; margin-bottom: 24px; font-family: 'Press Start 2P', monospace; letter-spacing: 0.5px; }
  .auth-card label { display: block; margin-bottom: 4px; font-size: 8px; color: #4a5f70; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; font-family: 'Press Start 2P', monospace; }
  .auth-card input[type="text"], .auth-card input[type="password"] { width: 100%; padding: 10px 14px; background: #0a1628; border: 1px solid #1e3a5f; border-radius: 3px; color: #c0d0e0; font-size: 13px; font-family: 'JetBrains Mono', monospace; outline: none; margin-bottom: 14px; transition: border-color .15s; }
  .auth-card input:focus { border-color: #5ccfe6; box-shadow: 0 0 10px rgba(92,207,230,0.15); }
  .auth-card input:-webkit-autofill,
  .auth-card input:-webkit-autofill:hover,
  .auth-card input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px #0a1628 inset !important;
    -webkit-text-fill-color: #c0d0e0 !important;
    border-color: #1e3a5f !important;
    transition: background-color 5000s ease-in-out 0s;
  }
  .auth-card .auth-btn { width: 100%; padding: 10px; border: none; border-radius: 3px; font-size: 10px; font-weight: 600; cursor: pointer; transition: all .15s; font-family: 'Press Start 2P', monospace; letter-spacing: 0.5px; }
  .auth-card .auth-btn-primary { background: #5ccfe6; color: #05080f; }
  .auth-card .auth-btn-primary:hover { background: #8ee0f0; box-shadow: 0 0 20px rgba(92,207,230,0.3); }
  .auth-card .auth-btn-primary:disabled { opacity: .5; cursor: not-allowed; }
  .auth-card .auth-switch { text-align: center; margin-top: 16px; font-size: 12px; color: var(--muted); }
  .auth-card .auth-switch a { color: var(--accent); cursor: pointer; text-decoration: none; font-weight: 500; }
  .auth-card .auth-switch a:hover { color: var(--accent-hover); }
  .auth-card .auth-error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); border-radius: var(--radius); padding: 8px 12px; font-size: 12px; color: var(--error); margin-bottom: 12px; display: none; }
  .auth-card .auth-error.visible { display: block; }
  .auth-divider { display: flex; align-items: center; margin: 18px 0 14px; gap: 12px; }
  .auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
  .auth-divider span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
  .auth-btn-grove { display: flex; align-items: center; justify-content: center; gap: 10px; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); color: #fff; border: 1px solid rgba(255,255,255,.1); margin-top: 0; position: relative; overflow: hidden; }
  .auth-btn-grove::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(99,102,241,.15) 0%, rgba(168,85,247,.15) 100%); opacity: 0; transition: opacity .3s; }
  .auth-btn-grove:hover::before { opacity: 1; }
  .auth-btn-grove:hover { border-color: rgba(99,102,241,.5); box-shadow: 0 0 20px rgba(99,102,241,.2); transform: translateY(-1px); }
  .grove-logo { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; background: linear-gradient(135deg, #6366f1, #a855f7); border-radius: 6px; font-weight: 800; font-size: 14px; letter-spacing: -0.5px; animation: grovePulse 2s ease-in-out infinite; }
  @keyframes grovePulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(99,102,241,.4); } 50% { box-shadow: 0 0 0 6px rgba(99,102,241,0); } }

  .user-badge { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); padding: 4px 10px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(255,255,255,.03); }
  .user-badge .user-name { color: var(--text); font-weight: 500; }
  .user-badge .btn-logout { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 11px; padding: 2px 6px; transition: color .15s; }
  .user-badge .btn-logout:hover { color: var(--error); }

  /* ===== Admin Panel ===== */
  .admin-user-row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); margin-bottom: 6px; }
  .admin-user-row .admin-uid { font-size: 10px; color: var(--muted); font-family: monospace; min-width: 30px; }
  .admin-user-row .admin-uname { flex: 1; font-size: 13px; font-weight: 500; }
  .admin-user-row .admin-udate { font-size: 10px; color: var(--muted); }
  .admin-user-row .admin-badge { font-size: 9px; padding: 1px 6px; border-radius: 3px; background: rgba(99,102,241,.15); color: var(--accent); font-weight: 700; }
  .admin-create-row { display: flex; gap: 8px; margin-bottom: 12px; }
  .admin-create-row .modal-input { margin-bottom: 0; flex: 1; }

  /* ===== Capture Bar ===== */
  .capture-bar { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: rgba(239,68,68,.08); border: 1px solid rgba(239,68,68,.25); border-radius: var(--radius); margin-bottom: 8px; font-size: 11px; color: var(--text); }
  .capture-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--error); animation: capturePulse 1.2s infinite; flex-shrink: 0; }
  @keyframes capturePulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
  .capture-url { font-family: 'SF Mono', monospace; font-size: 10px; background: var(--bg); border: 1px solid var(--border); border-radius: 3px; padding: 2px 8px; color: var(--accent); user-select: all; word-break: break-all; }
  #captureBtn.capturing { background: rgba(239,68,68,.15); border-color: var(--error); color: var(--error); font-weight: 700; }

  /* ===== Share ===== */
  .share-code-display { text-align: center; padding: 16px; }
  .share-code-display .share-code { font-size: 28px; font-family: 'SF Mono', monospace; font-weight: 700; color: var(--accent); letter-spacing: 4px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 24px; display: inline-block; cursor: pointer; transition: all .15s; user-select: all; }
  .share-code-display .share-code:hover { border-color: var(--accent); background: rgba(99,102,241,.05); }
  .share-code-display .share-hint { font-size: 11px; color: var(--muted); margin-top: 8px; }
  .share-preview { padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; font-size: 12px; }
  .share-preview .sp-label { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 2px; }
  .share-preview .sp-val { color: var(--text); font-weight: 500; }
  .share-preview .sp-from { color: var(--accent); font-size: 11px; }
  .btn-share-step { display: none; }

  /* ===== Globals Panel ===== */
  .globals-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; }
  .globals-header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; cursor: pointer; user-select: none; border-bottom: 1px solid transparent; transition: all .15s; }
  .globals-header:hover { background: rgba(255,255,255,.02); }
  .globals-header.open { border-bottom-color: var(--border); }
  .globals-arrow { font-size: 10px; color: var(--muted); transition: transform .15s; min-width: 12px; }
  .globals-header.open .globals-arrow { transform: rotate(90deg); }
  .globals-title { font-size: 12px; font-weight: 600; color: var(--accent); }
  .globals-count { font-size: 10px; color: var(--muted); margin-left: auto; }
  .globals-body { padding: 10px 12px; display: none; }
  .globals-body.open { display: block; }
  .globals-row { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
  .globals-key { width: 140px; flex-shrink: 0; padding: 5px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; color: var(--accent-hover); font-family: 'SF Mono', monospace; font-size: 11px; outline: none; }
  .globals-key:focus { border-color: var(--accent); }
  .globals-key::placeholder { color: var(--muted); }
  .globals-val { flex: 1; padding: 5px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; color: var(--text); font-family: 'SF Mono', monospace; font-size: 11px; outline: none; }
  .globals-val:focus { border-color: var(--accent); }
  .globals-val::placeholder { color: var(--muted); }
  .globals-ref { font-size: 9px; color: var(--muted); font-family: 'SF Mono', monospace; flex-shrink: 0; min-width: 80px; }
  .globals-del { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 13px; padding: 0 4px; line-height: 1; transition: color .15s; flex-shrink: 0; }
  .globals-del:hover { color: var(--error); }
  .globals-add { display: flex; align-items: center; gap: 6px; margin-top: 4px; }
  .globals-add-btn { background: none; border: 1px dashed var(--border); border-radius: 4px; color: var(--muted); padding: 4px 12px; font-size: 11px; cursor: pointer; transition: all .15s; width: 100%; }
  .globals-add-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(99,102,241,.04); }
  .globals-hint { font-size: 10px; color: var(--muted); padding: 4px 0 6px; }

  /* Variable reference tags */
  .var-refs { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; min-height: 0; }
  .var-ref-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 10px; font-family: 'SF Mono', monospace; background: rgba(99,102,241,.1); color: var(--accent-hover); border: 1px solid rgba(99,102,241,.2); cursor: pointer; transition: all .15s; }
  .var-ref-tag:hover { background: rgba(99,102,241,.18); border-color: var(--accent); }
  .var-ref-tag.copied { background: rgba(34,197,94,.15); border-color: var(--success); color: var(--success); }
  .var-ref-tag.ref-valid { background: rgba(34,197,94,.1); color: var(--success); border-color: rgba(34,197,94,.25); }
  .var-ref-tag.ref-invalid { background: rgba(239,68,68,.1); color: var(--error); border-color: rgba(239,68,68,.25); }
  .var-ref-tag.ref-global { background: rgba(245,158,11,.1); color: var(--warning); border-color: rgba(245,158,11,.25); }
  .input-refs { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 3px; min-height: 0; }

  /* Highlighted input/textarea overlay */
  .hl-wrap { position: relative; display: flex; flex: 1; min-width: 120px; background: var(--bg); border-radius: 4px; }
  .hl-wrap input.hl-input { -webkit-text-fill-color: transparent; caret-color: var(--text); background: transparent; position: relative; z-index: 1; }
  .hl-wrap input.hl-input::placeholder { -webkit-text-fill-color: rgba(255,255,255,.35); font-style: italic; }
  .hl-backdrop { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; overflow: hidden; white-space: nowrap; z-index: 0; color: var(--fg); border-color: transparent !important; }

  .hl-wrap-ta { position: relative; width: 100%; }
  .hl-wrap-ta textarea.hl-input { -webkit-text-fill-color: transparent; caret-color: var(--text); background: transparent; position: relative; z-index: 1; }
  .hl-backdrop-ta { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; overflow: hidden; z-index: 0; border: 1px solid transparent; border-radius: var(--radius); }

  .hl-var-ok { color: var(--success); font-weight: 600; }
  .hl-var-err { color: var(--error); font-weight: 600; }
  .hl-var-global { color: var(--warning); font-weight: 600; }
  .hl-var-future { color: #f59e0b; font-weight: 600; text-decoration: underline wavy #f59e0b; }

  /* ===== Autocomplete ===== */
  .ac-dropdown { position: absolute; z-index: 999; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,.4); max-height: 220px; overflow-y: auto; min-width: 240px; font-size: 11px; }
  .ac-item { padding: 5px 10px; cursor: pointer; font-family: 'SF Mono', monospace; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  .ac-item:hover, .ac-item.ac-active { background: rgba(99,102,241,.15); }
  .ac-item-name { color: var(--text); }
  .ac-item-src { color: var(--muted); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 120px; }

  /* ===== Trace Panel ===== */
  .trace-section { border-top: 1px solid var(--border); overflow-y: auto; position: relative; }
  .trace-resize-handle { height: 5px; cursor: ns-resize; background: transparent; position: absolute; top: 0; left: 0; right: 0; z-index: 2; }
  .trace-resize-handle:hover, .trace-resize-handle.dragging { background: var(--accent); opacity: .4; }
  .trace-header { display: flex; align-items: center; justify-content: space-between; padding: 6px 14px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); z-index: 1; }
  .trace-header h3 { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin: 0; }
  .trace-body { padding: 8px 12px; font-size: 11px; line-height: 1.8; }
  .trace-step { display: inline; }
  .trace-step-name { display: inline-block; padding: 1px 8px; border-radius: 4px; font-weight: 600; font-size: 10px; cursor: default; }
  .trace-step-name.t-ok { background: rgba(34,197,94,.12); color: var(--success); }
  .trace-step-name.t-err { background: rgba(239,68,68,.12); color: var(--error); }
  .trace-step-name.t-skip { background: rgba(113,113,122,.12); color: var(--muted); }
  .trace-arrow { color: var(--muted); margin: 0 4px; font-size: 12px; }
  .trace-goto { color: var(--accent); font-size: 10px; font-weight: 600; margin: 0 2px; }
  .trace-var { display: block; padding: 2px 0 2px 12px; font-family: 'SF Mono', monospace; font-size: 10px; color: var(--muted); }
  .trace-var-name { color: var(--accent-hover); }
  .trace-var-val { color: var(--success); }
  .trace-var-arrow { color: var(--muted); margin: 0 3px; }

  /* ===== Pool Manager ===== */
  .pool-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 200; display: none; align-items: center; justify-content: center; }
  .pool-overlay.visible { display: flex; }
  .pool-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; width: 780px; max-width: 94vw; max-height: 88vh; display: flex; flex-direction: column; overflow: hidden; }
  .pool-panel-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
  .pool-panel-header h3 { font-size: 15px; font-weight: 600; }
  .pool-panel-body { flex: 1; overflow-y: auto; padding: 16px 20px; }
  .pool-panel-footer { display: flex; justify-content: flex-end; padding: 12px 20px; border-top: 1px solid var(--border); }

  .pool-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); margin-bottom: 10px; overflow: hidden; }
  .pool-card-header { display: flex; align-items: center; gap: 10px; padding: 10px 14px; cursor: pointer; transition: background .15s; }
  .pool-card-header:hover { background: rgba(255,255,255,.03); }
  .pool-card-name { font-size: 13px; font-weight: 600; flex: 1; }
  .pool-card-meta { font-size: 10px; color: var(--muted); display: flex; gap: 12px; }
  .pool-card-actions { display: flex; gap: 6px; }
  .pool-stat { display: inline-flex; align-items: center; gap: 3px; }
  .pool-stat-dot { width: 6px; height: 6px; border-radius: 50%; }
  .pool-stat-dot.st-running { background: var(--warning); }
  .pool-stat-dot.st-completed { background: var(--success); }
  .pool-stat-dot.st-stopped { background: var(--muted); }
  .pool-stat-dot.st-error { background: var(--error); }

  .pool-threads { display: none; border-top: 1px solid var(--border); }
  .pool-threads.open { display: block; }
  .pool-thread-table { width: 100%; border-collapse: collapse; font-size: 11px; }
  .pool-thread-table th { text-align: left; padding: 6px 12px; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
  .pool-thread-table td { padding: 6px 12px; border-bottom: 1px solid rgba(255,255,255,.03); }
  .pool-thread-table tr:hover td { background: rgba(255,255,255,.02); }
  .pool-thread-table tr.selected td { background: rgba(99,102,241,.08); }
  .thread-status { display: inline-flex; align-items: center; gap: 4px; font-size: 10px; font-weight: 600; padding: 1px 8px; border-radius: 10px; }
  .thread-status.ts-running { background: rgba(245,158,11,.15); color: var(--warning); }
  .thread-status.ts-completed { background: rgba(34,197,94,.15); color: var(--success); }
  .thread-status.ts-stopped { background: rgba(113,113,122,.15); color: var(--muted); }
  .thread-status.ts-error { background: rgba(239,68,68,.15); color: var(--error); }

  .thread-log-panel { border-top: 1px solid var(--border); max-height: 280px; display: flex; flex-direction: column; }
  .thread-log-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 14px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
  .thread-log-header h4 { font-size: 12px; font-weight: 600; }
  .thread-log-body { flex: 1; overflow-y: auto; padding: 6px 10px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; line-height: 1.7; background: var(--bg); max-height: 240px; }

  .pool-empty { text-align: center; padding: 40px 20px; color: var(--muted); font-size: 13px; }

  /* ===== Traffic Search ===== */
  .traffic-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 300; display: none; align-items: center; justify-content: center; }
  .traffic-overlay.visible { display: flex; }
  .traffic-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; width: 960px; max-width: 96vw; height: 85vh; display: flex; flex-direction: column; overflow: hidden; }
  .traffic-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
  .traffic-header h3 { font-size: 15px; font-weight: 600; }
  .traffic-header-actions { display: flex; gap: 8px; align-items: center; }
  .traffic-config-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 4px; }
  .traffic-config-dot.online { background: var(--success); }
  .traffic-config-dot.offline { background: var(--error); }
  .traffic-config-dot.unknown { background: var(--muted); }
  .traffic-body { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
  .traffic-search-bar { display: flex; gap: 8px; padding: 12px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; align-items: flex-end; }
  .traffic-search-group { display: flex; flex-direction: column; gap: 3px; }
  .traffic-search-group label { font-size: 9px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
  .traffic-search-group input, .traffic-search-group select { background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 6px 10px; color: var(--text); font-size: 12px; outline: none; }
  .traffic-search-group input:focus, .traffic-search-group select:focus { border-color: var(--accent); }
  .traffic-search-group input { min-width: 180px; }
  .traffic-search-group select { min-width: 100px; }
  .traffic-ai-bar { display: flex; gap: 8px; padding: 8px 20px; border-bottom: 1px solid var(--border); align-items: center; background: rgba(99,102,241,.03); }
  .traffic-ai-bar input { flex: 1; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; padding: 6px 10px; color: var(--text); font-size: 12px; outline: none; }
  .traffic-ai-bar input:focus { border-color: var(--accent); }
  .traffic-ai-bar input::placeholder { color: var(--muted); }
  .traffic-ai-tag { font-size: 9px; color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .5px; flex-shrink: 0; }
  .traffic-stats { display: flex; gap: 16px; padding: 6px 20px; font-size: 10px; color: var(--muted); border-bottom: 1px solid var(--border); flex-shrink: 0; }
  .traffic-stats span { display: inline-flex; align-items: center; gap: 4px; }
  .traffic-stats .val { color: var(--text); font-weight: 600; }
  .traffic-results { flex: 1; overflow-y: auto; padding: 0; }
  .traffic-result-table { width: 100%; border-collapse: collapse; font-size: 11px; }
  .traffic-result-table th { position: sticky; top: 0; z-index: 1; text-align: left; padding: 8px 14px; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); background: var(--surface); font-weight: 600; }
  .traffic-result-table td { padding: 7px 14px; border-bottom: 1px solid rgba(255,255,255,.03); cursor: pointer; vertical-align: top; }
  .traffic-result-table tr:hover td { background: rgba(99,102,241,.06); }
  .traffic-result-table tr.selected td { background: rgba(99,102,241,.12); }
  .traffic-method { font-weight: 700; font-size: 10px; padding: 1px 6px; border-radius: 3px; display: inline-block; }
  .traffic-method.m-GET { background: rgba(34,197,94,.15); color: var(--success); }
  .traffic-method.m-POST { background: rgba(99,102,241,.15); color: var(--accent); }
  .traffic-method.m-PUT { background: rgba(245,158,11,.15); color: var(--warning); }
  .traffic-method.m-DELETE { background: rgba(239,68,68,.15); color: var(--error); }
  .traffic-method.m-PATCH { background: rgba(139,92,246,.15); color: #8b5cf6; }
  .traffic-url { font-family: 'SF Mono', monospace; font-size: 11px; word-break: break-all; max-width: 400px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .traffic-snippet { font-size: 10px; color: var(--muted); font-family: 'SF Mono', monospace; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .traffic-matched-in { font-size: 9px; padding: 1px 6px; border-radius: 3px; font-weight: 600; display: inline-block; }
  .traffic-matched-in.mi-request { background: rgba(59,130,246,.15); color: #3b82f6; }
  .traffic-matched-in.mi-response { background: rgba(34,197,94,.15); color: var(--success); }
  .traffic-matched-in.mi-both { background: rgba(139,92,246,.15); color: #8b5cf6; }
  .traffic-empty { text-align: center; padding: 40px 20px; color: var(--muted); font-size: 13px; }
  .traffic-pager { display: flex; justify-content: center; gap: 8px; padding: 10px; border-top: 1px solid var(--border); flex-shrink: 0; }
  .traffic-detail-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 350; display: none; align-items: center; justify-content: center; }
  .traffic-detail-overlay.visible { display: flex; }
  .traffic-detail-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; width: 900px; max-width: 96vw; height: 80vh; display: flex; flex-direction: column; overflow: hidden; }
  .traffic-detail-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid var(--border); }
  .traffic-detail-header h4 { font-size: 13px; font-weight: 600; }
  .traffic-detail-body { flex: 1; display: flex; overflow: hidden; }
  .traffic-detail-half { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
  .traffic-detail-half + .traffic-detail-half { border-left: 1px solid var(--border); }
  .traffic-detail-half h5 { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; padding: 8px 14px; border-bottom: 1px solid var(--border); margin: 0; flex-shrink: 0; font-weight: 600; }
  .traffic-detail-content { flex: 1; overflow: auto; padding: 10px 14px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11px; line-height: 1.6; white-space: pre-wrap; word-break: break-all; background: var(--bg); }
  .traffic-config-panel { padding: 20px; }
  .traffic-config-panel .modal-input { margin-bottom: 10px; }
  .traffic-config-panel label { display: block; margin-bottom: 4px; }

  /* ===== Mobile: panel toggle ===== */
  .mobile-panel-toggle { display: none; }

  /* ===== Mobile Responsive ===== */
  @media (max-width: 768px) {
    body { overflow: auto; height: auto; min-height: 100vh; }

    .topbar { flex-direction: column; align-items: stretch; padding: 8px 12px; gap: 8px; }
    .topbar-left { flex-wrap: wrap; gap: 6px; }
    .topbar-left > span { display: none; }
    .topbar h1 { font-size: 14px; }
    .topbar-actions { flex-wrap: wrap; gap: 4px; }
    .topbar-actions .btn-sep { display: none; }
    .topbar-actions .btn { font-size: 10px; padding: 5px 8px; }
    .topbar-actions input[type="number"] { width: 40px; font-size: 10px; }

    .layout { flex-direction: column; overflow: visible; }
    .left-panel { border-right: none; border-bottom: 1px solid var(--border); padding: 10px; min-height: 0; overflow-y: visible; }
    .right-panel { width: 100%; min-width: 0; min-height: 300px; }

    .mobile-panel-toggle { display: flex; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin: 8px 10px; }
    .mobile-panel-toggle button { flex: 1; background: transparent; border: none; color: var(--muted); padding: 6px 0; font-size: 12px; font-weight: 600; cursor: pointer; transition: all .15s; }
    .mobile-panel-toggle button.active { color: var(--accent); background: rgba(99,102,241,.1); }

    .left-panel.mobile-hidden { display: none; }
    .right-panel.mobile-hidden { display: none; }

    .step-header { flex-wrap: wrap; gap: 4px; padding: 6px 8px; }
    .step-name { min-width: 80px; font-size: 12px; }
    .step-body { padding: 8px; }
    textarea.raw-area { min-height: 80px; font-size: 10px; }

    .log-body { font-size: 10px; }
    .log-time { min-width: 50px; font-size: 9px; }
    .log-tag { font-size: 8px; min-width: 44px; padding: 0 3px; }

    .modal { width: 95vw; max-width: 95vw; padding: 16px; }
    .auth-card { width: 95vw; max-width: 95vw; padding: 24px 20px; }

    .user-badge { gap: 4px; padding: 3px 6px; font-size: 11px; }
    .user-badge .btn-logout { font-size: 10px; }

    .capture-bar { flex-wrap: wrap; font-size: 10px; padding: 6px 10px; }
    .capture-bar > span:last-child { display: none; }

    .fc-row { gap: 4px; }
    .fc-row-label { min-width: 48px; font-size: 9px; }
    .fc-input { min-width: 80px; font-size: 10px; }

    .globals-hint { font-size: 10px; }

    .proxy-card-row { flex-direction: column; gap: 2px; }

    .admin-user-row { flex-wrap: wrap; gap: 6px; }
  }