.tree-main{width:min(1180px,calc(100% - 32px));margin:54px auto 70px}.tree-hero{text-align:center;margin-bottom:30px}.back-link{display:inline-block;margin-bottom:25px;color:var(--muted);text-decoration:none;font-size:13px;font-weight:750}.back-link:hover{color:var(--brand)}.tree-hero h1{margin:10px 0;font-size:clamp(38px,6vw,58px);line-height:1.05;letter-spacing:-.05em}.tree-hero>p:last-child{max-width:760px;margin:auto;color:var(--muted);font-size:18px}.workspace-card{margin-bottom:16px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 1px 0 rgba(0,0,0,.02)}.section-head,.action-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-head h2{margin:0;font-size:22px;letter-spacing:-.025em}.step-label{margin:0 0 3px;color:var(--brand);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.09em}.text-button{padding:8px 10px;border:0;border-radius:8px;background:transparent;color:var(--brand);cursor:pointer;font-size:13px;font-weight:750}.text-button:hover{background:var(--surface-2)}.text-button:disabled{opacity:.45;cursor:not-allowed}.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}.picker-panel,.paste-panel{min-width:0}.drop-zone{min-height:208px;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:24px;border:2px dashed var(--line);border-radius:16px;background:color-mix(in srgb,var(--surface-2) 35%,var(--surface));text-align:center;cursor:pointer;transition:border-color .18s,background .18s}.drop-zone:hover,.drop-zone:focus-visible,.drop-zone.dragging{border-color:var(--brand);background:var(--surface-2);outline:0}.drop-zone strong{font-size:17px}.drop-zone>span:last-child{margin-top:3px;color:var(--muted);font-size:13px}.drop-icon{display:grid;place-items:center;width:46px;height:46px;margin-bottom:12px;border-radius:14px;background:var(--brand);color:var(--brand-ink);font-size:26px;font-weight:800}.visually-hidden-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.secondary-button,.primary{min-height:42px;padding:10px 15px;border-radius:10px;cursor:pointer;font-weight:780}.secondary-button{border:1px solid var(--line);background:var(--surface);color:var(--text)}.secondary-button:hover{border-color:var(--brand);color:var(--brand)}.primary{border:0;background:var(--brand);color:var(--brand-ink)}.primary:hover{background:var(--brand-strong)}.primary:disabled{opacity:.5;cursor:not-allowed}.picker-panel>.secondary-button{width:100%;margin-top:10px}.support-note,.paste-panel p{margin:8px 2px 0;color:var(--muted);font-size:12px}.paste-panel>label{display:block;margin-bottom:8px;font-weight:760}.paste-panel textarea{display:block;width:100%;height:208px;padding:14px;resize:vertical;border:1px solid var(--line);border-radius:13px;outline:0;background:var(--bg);color:var(--text);font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.paste-panel textarea:focus,.option-field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}.paste-panel>.secondary-button{margin-top:10px}.selection-summary,.result-stats{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px;padding:13px 15px;border-radius:12px;background:var(--surface-2);color:var(--muted);font-size:13px}.selection-summary strong,.result-stats strong{color:var(--text);font-variant-numeric:tabular-nums}.options-grid{display:grid;grid-template-columns:.65fr 1.3fr 1.3fr 1fr;gap:14px;margin-top:20px}.option-field{display:flex;min-width:0;flex-direction:column}.option-field>span{margin-bottom:6px;font-size:13px;font-weight:750}.option-field input{width:100%;min-height:43px;padding:9px 11px;border:1px solid var(--line);border-radius:10px;outline:0;background:var(--bg);color:var(--text)}.option-field small,.toggle-option small{margin-top:5px;color:var(--muted);font-size:11px}.toggle-option{min-height:76px;display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.toggle-option input{width:18px;height:18px;accent-color:var(--brand)}.toggle-option span{display:flex;min-width:0;flex-direction:column}.toggle-option strong{font-size:13px}.action-row{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.action-row p{margin:0;color:var(--muted);font-size:13px}.action-buttons{display:flex;gap:9px}.hidden{display:none!important}.result-card{scroll-margin-top:92px}.result-head{align-items:flex-end}.result-actions{display:flex;gap:4px}.format-tabs{display:flex;gap:4px;margin-top:18px;padding:4px;border-radius:11px;background:var(--surface-2)}.format-tab{min-width:76px;padding:8px 14px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-weight:780}.format-tab.active{background:var(--surface);color:var(--brand);box-shadow:0 2px 8px #0001}.format-tab:focus-visible{outline:2px solid var(--brand);outline-offset:1px}.output-pane{margin-top:12px;border:1px solid var(--line);border-radius:13px;outline:0;background:color-mix(in srgb,var(--surface-2) 35%,var(--bg));overflow:auto}.output-pane:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}.output-pane pre{min-height:360px;max-height:620px;margin:0;padding:18px;overflow:auto;color:var(--text);tab-size:2;direction:ltr;text-align:left;white-space:pre;font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.limitations{display:flex;gap:16px;margin:18px 8px;padding:18px}.info-icon{display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border-radius:50%;background:var(--surface-2);color:var(--brand);font-size:18px;font-weight:850}.limitations h2{margin:0;font-size:16px}.limitations ul{margin:6px 0 0;padding-inline-start:20px;color:var(--muted);font-size:13px}.limitations li+li{margin-top:4px}[dir=rtl] .tree-hero,[dir=rtl] .limitations{text-align:right}[dir=rtl] .back-link{direction:rtl}[dir=rtl] .source-grid,[dir=rtl] .options-grid,[dir=rtl] .section-head,[dir=rtl] .action-row,[dir=rtl] .selection-summary,[dir=rtl] .result-stats{direction:rtl}[dir=rtl] .output-pane,[dir=rtl] .format-tabs{direction:ltr}
@media(max-width:900px){.options-grid{grid-template-columns:1fr 1fr}.source-grid{grid-template-columns:1fr}.drop-zone,.paste-panel textarea{min-height:180px;height:180px}}
@media(max-width:600px){.tree-main{margin-top:36px}.workspace-card{padding:18px 14px}.tree-hero h1{font-size:38px}.options-grid{grid-template-columns:1fr}.action-row{align-items:stretch;flex-direction:column}.action-buttons{width:100%}.action-buttons button{flex:1}.result-head{align-items:flex-start}.format-tabs{overflow-x:auto}.format-tab{flex:1}.output-pane pre{min-height:300px}.selection-summary,.result-stats{display:grid;grid-template-columns:1fr 1fr}.limitations{margin-inline:0;padding-inline:4px}}
@media(prefers-reduced-motion:reduce){.drop-zone{transition:none}}