.tl-root{--brand: #1b2c8b;--brand-2: #2f44b8;--brand-bg: #eef1fb;--line: #d8ddee;--ink: #1a2033;--muted: #5a6278;--hi: #ff9a3c;--bad: #c0392b;--bad-bg: #fdeceb;--warn: #9a6200;--warn-bg: #fff4dc;--side-w: 320px;position:fixed;inset:0;display:flex;flex-direction:column;background:#f3f5fb;color:var(--ink);font-family:system-ui,-apple-system,PingFang TC,Microsoft JhengHei,sans-serif;font-size:16px;line-height:1.5;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}body{margin:0}.tl-root [hidden]{display:none!important}.tl-root button{font:inherit;min-height:44px;min-width:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);font-weight:700;cursor:pointer;padding:0 14px;touch-action:manipulation}.tl-root button:disabled{opacity:.4;cursor:not-allowed}.tl-root button:not(:disabled):hover{border-color:var(--brand-2)}.tl-root button:focus-visible,.tl-root input:focus-visible{outline:3px solid var(--hi);outline-offset:1px}.tl-header{display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--brand);color:#fff;flex-wrap:wrap}.tl-brand{font-size:20px;font-weight:800;letter-spacing:1px;white-space:nowrap}.tl-brand small{font-size:13px;font-weight:600;opacity:.8;margin-left:4px}.tl-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-left:auto}.tl-header .tl-actions button{background:#ffffff1f;border-color:#ffffff40;color:#fff;padding:0 12px}.tl-header .tl-actions button.primary{background:#fff;color:var(--brand)}.tl-sep{width:1px;height:28px;background:#ffffff4d;margin:0 4px}.tl-stepbar{display:flex;align-items:center;gap:16px;padding:8px 16px;background:#fff;border-bottom:1px solid var(--line);min-height:48px;flex-wrap:wrap}.tl-stepbar ol{display:flex;gap:6px;margin:0;padding:0;list-style:none}.tl-stepbar li{display:flex;align-items:center;gap:6px;padding:6px 14px 6px 8px;border-radius:999px;background:#eef0f6;color:var(--muted);font-weight:700;font-size:17px}.tl-stepbar li{position:relative}.tl-stepbar li+li{margin-left:20px}.tl-stepbar li+li:before{content:"→";position:absolute;left:-19px;color:#8890a8;font-weight:800}.tl-stepbar li.on{background:var(--brand);color:#fff}.tl-stepbar li.done{background:var(--brand-bg);color:var(--brand)}.tl-hint{font-size:17px;color:var(--ink)}.tl-task{font-weight:800;color:var(--brand)}.tl-stepnum{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#ffffff40;font-size:14px}.tl-stepbar li:not(.on) .tl-stepnum{background:#fff}.tl-main{flex:1;display:flex;min-height:0}.tl-side{width:var(--side-w);flex:0 0 var(--side-w);background:#fff;border-right:1px solid var(--line);overflow-y:auto;padding:12px;box-sizing:border-box;display:flex;flex-direction:column;gap:12px}.tl-stage{flex:1;position:relative;min-width:0}.tl-viewport{position:absolute;inset:0;overflow:hidden}.tl-card{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--brand-bg)}.tl-card p{margin:4px 0 0;color:var(--muted)}.tl-sel-label{margin-bottom:8px}.tl-btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.tl-btn.big{min-height:52px;font-size:18px}.tl-btn.block{width:100%}.tl-btn.small{min-height:44px;font-size:15px}.tl-btn.danger{color:var(--bad)}.tl-btn.on{background:var(--hi);border-color:var(--hi);color:#fff}.tl-tree h2,.tl-panel h2{font-size:18px;margin:0 0 8px;color:var(--brand)}.tl-tree ul{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-direction:column;gap:4px}.tl-tree-item{width:100%;display:flex;align-items:center;gap:10px;text-align:left;padding:8px 10px!important;font-weight:600!important;color:var(--ink)!important}.tl-tree-item.plane{color:var(--brand)!important}.tl-tree-item.on{border-color:var(--hi)!important;background:#fff3e6!important}.tl-tree-item.bad{border-color:var(--bad)!important;background:var(--bad-bg)!important}.tl-tree-item.warn:not(.bad){border-color:#e0b04a!important;background:var(--warn-bg)!important}.tl-tree-name{display:flex;flex-direction:column;min-width:0}.tl-tree-name small{font-weight:500;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.tl-tree-empty{padding:8px 4px}.tl-muted{color:var(--muted)}.tl-err-text{color:var(--bad)!important;font-weight:700}.tl-warn-text{color:var(--warn)!important;font-weight:700}.tl-panel{display:flex;flex-direction:column;gap:10px}.tl-panel-head{display:flex;flex-direction:column}.tl-section{border:1px solid var(--line);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:8px}.tl-section.dim{opacity:.55}.tl-section h3{margin:0;font-size:17px;display:flex;align-items:center;gap:8px;color:var(--brand)}.tl-section h3 .tl-stepnum{background:var(--brand);color:#fff}.tl-tools,.tl-ops{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.tl-ops{grid-template-columns:repeat(2,minmax(0,1fr))}.tl-tool,.tl-op{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:64px!important;padding:6px 4px!important;font-size:14px}.tl-tool.on,.tl-op.on{background:var(--brand)!important;color:#fff!important;border-color:var(--brand)!important}.tl-placing{background:#fff3e6;border:1px dashed var(--hi);border-radius:10px;padding:8px;font-size:15px;display:flex;flex-direction:column;gap:6px}.tl-shapes{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.tl-shapes li{display:flex;gap:4px}.tl-shape-chip{flex:1;display:flex;align-items:center;gap:8px;justify-content:flex-start;font-weight:600!important}.tl-shapes li.on .tl-shape-chip{border-color:var(--hi);background:#fff3e6}.tl-x{color:var(--bad)!important;font-size:22px}.tl-grid2{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}.tl-shape-editor{display:flex;flex-direction:column;gap:8px}.tl-num label{display:block;font-size:14px;color:var(--muted);font-weight:600;margin-bottom:2px}.tl-num-row{display:flex;align-items:center;gap:4px}.tl-num-row button{padding:0!important;font-size:20px;flex:0 0 44px}.tl-num-row input{min-width:0;flex:1;height:44px;box-sizing:border-box;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:18px;font-weight:700;text-align:center;color:var(--ink);user-select:text;-webkit-user-select:text}.tl-num-row input.bad{border-color:var(--bad);background:var(--bad-bg)}.tl-unit{font-size:13px;color:var(--muted)}.tl-seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden}.tl-seg button{border:0!important;border-radius:0!important}.tl-seg button.on{background:var(--brand);color:#fff}.tl-panel-foot{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:sticky;bottom:0;background:#fff;padding-top:4px}.tl-views{position:absolute;top:10px;right:10px;display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}.tl-views button{background:#ffffffeb}.tl-metrics{position:absolute;left:10px;bottom:10px;background:#fffffff0;border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-size:16px;display:flex;flex-direction:column;gap:2px}.tl-metrics b{color:var(--brand);font-variant-numeric:tabular-nums}.tl-busy{color:var(--muted);font-size:13px}.tl-banner{position:absolute;top:10px;left:10px;right:280px;background:#fff;border:2px solid var(--brand);border-radius:12px;padding:8px 12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:600}.tl-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;font-weight:700;max-width:80vw;z-index:10}.tl-toast.error{background:var(--bad)}@media (max-width: 1100px){.tl-root{--side-w: 290px}.tl-header .tl-actions button{padding:0 9px;font-size:15px}.tl-stepbar li{font-size:15px;padding:4px 10px 4px 6px}.tl-hint{font-size:15px}.tl-banner{right:10px;top:64px}}.tl-license-link{position:absolute;right:6px;bottom:4px;min-height:44px;min-width:44px;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;font-size:13px;color:var(--muted)}.tl-license-link span{background:#ffffffd9;padding:2px 8px;border-radius:6px}.tl-field-err{margin-top:4px;color:var(--bad);font-size:14px;font-weight:700}.tl-err-box{border:2px solid var(--bad);background:var(--bad-bg);color:var(--bad);border-radius:10px;padding:8px 10px;font-weight:700;font-size:14px}.tl-err-box ul{margin:4px 0 0;padding-left:18px}