#xml-tool{--radius:10px;--err:#ff5c6a;--c-tag:#79b8ff;--c-attr:#f0c27f;--c-attrval:#a0f070;--c-text:#c4cce0;--c-comment:#6a7290;--c-cdata:#ff8e6e;--c-pi:#b088f0;--tree-line:#2a3040;--row-h:24px}[data-theme=light] #xml-tool{--err:#d92f3d;--c-tag:#155ab0;--c-attr:#a06010;--c-attrval:#2d7a00;--c-text:#2a3050;--c-comment:#8890b0;--c-cdata:#c0320c;--c-pi:#7030c0;--tree-line:#c8d0e0}.xf-toolbar{flex-wrap:wrap;justify-content:space-between;gap:10px;margin-bottom:14px;display:flex}.xf-toolbar-group{flex-wrap:wrap;gap:6px;display:flex}.xf-btn{border:1px solid var(--border);background:var(--surface);color:var(--txt);cursor:pointer;transition:background var(--trans), color var(--trans), border-color var(--trans), transform .1s;white-space:nowrap;border-radius:8px;align-items:center;gap:6px;padding:9px 16px;font-size:13px;font-weight:700;display:inline-flex}.xf-btn:hover{background:var(--surface2);color:var(--txt-strong)}.xf-btn:active{transform:scale(.97)}.xf-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.xf-btn.primary:hover{filter:brightness(1.12)}.xf-btn.danger{background:color-mix(in srgb, var(--err) 12%, transparent);color:var(--err);border-color:color-mix(in srgb, var(--err) 25%, transparent)}.xf-btn.danger:hover{background:color-mix(in srgb, var(--err) 20%, transparent)}.xf-options{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:8px;padding:18px 20px;display:grid}.xf-opt{flex-direction:column;gap:6px;display:flex}.xf-opt label{color:var(--txt-strong);font-size:12px;font-weight:700}.xf-opt select{border:1px solid var(--border);background:var(--surface2);color:var(--txt);font-family:var(--sans);border-radius:7px;outline:none;padding:9px 12px;font-size:13px}.xf-opt select:focus{border-color:var(--accent)}.xf-opt-check{flex-wrap:wrap;grid-column:span 2;gap:10px 20px;display:flex}.xf-check{color:var(--txt);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.xf-check input{accent-color:var(--accent);flex-shrink:0;width:15px;height:15px}.xf-encoding-note{color:var(--txt-dim);background:var(--surface2);border-left:3px solid var(--warn);border-radius:0 6px 6px 0;margin:10px 0 18px;padding:10px 14px;font-size:12px;line-height:1.6}.xf-search-bar{background:var(--surface);border:1px solid var(--border);border-radius:8px;align-items:center;gap:8px;margin-bottom:12px;padding:8px 14px;display:flex}.xf-search-bar:focus-within{border-color:var(--accent)}.xf-search-bar input{font-family:var(--mono);color:var(--txt);background:0 0;border:none;outline:none;flex:1;font-size:13px}.xf-search-count{font-size:11px;font-family:var(--mono);color:var(--txt-dim);white-space:nowrap}.xf-search-clear{border:1px solid var(--border);background:var(--surface2);color:var(--txt-dim);cursor:pointer;border-radius:4px;padding:2px 8px;font-size:12px;display:none}.xf-search-clear.visible{justify-content:center;align-items:center;display:inline-flex}.xf-editor-layout{grid-template-columns:1fr 1fr;align-items:stretch;gap:16px;margin-bottom:14px;display:grid}.xf-editor-pane{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;display:flex;overflow:hidden}.xf-editor-pane.dragover{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent)}.xf-pane-header{border-bottom:1px solid var(--border);background:var(--surface2);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;display:flex}.xf-pane-title{letter-spacing:1px;text-transform:uppercase;color:var(--txt-dim);font-size:12px;font-weight:700;font-family:var(--mono)}.xf-pane-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.xf-pane-btn{border:1px solid var(--border);color:var(--txt-dim);font-size:11px;font-weight:600;font-family:var(--sans);white-space:nowrap;cursor:pointer;background:0 0;border-radius:5px;padding:4px 10px}.xf-pane-btn:hover{background:var(--surface);color:var(--txt)}.xf-pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}.xf-pane-btn.danger:hover{background:color-mix(in srgb, var(--err) 10%, transparent)}#xf-input{resize:vertical;min-height:420px;color:var(--txt);font-family:var(--mono);tab-size:2;background:0 0;border:none;outline:none;flex:1;padding:16px;font-size:13px;line-height:1.7}.xf-view-tabs{gap:2px;display:flex}.xf-view-tab{text-transform:uppercase;letter-spacing:.5px;color:var(--txt-dim);cursor:pointer;background:0 0;border:none;border-radius:5px;padding:4px 12px;font-size:11px;font-weight:700}.xf-view-tab.active{background:var(--surface);color:var(--accent)}.xf-view-tab:hover:not(.active){color:var(--txt)}#xf-output-pane{min-height:420px;font-family:var(--mono);flex:1;font-size:13px;line-height:1.7;overflow:auto}.xf-output-placeholder{color:var(--txt-dim);padding:16px}.xf-pretty-output{white-space:pre;margin:0;padding:16px;display:block}.xf-json-output{white-space:pre;color:var(--txt-strong);margin:0;padding:16px;display:block}.xf-t-tag{color:var(--c-tag)}.xf-t-attr{color:var(--c-attr)}.xf-t-attrval{color:var(--c-attrval)}.xf-t-text{color:var(--c-text)}.xf-t-comment{color:var(--c-comment);font-style:italic}.xf-t-cdata{color:var(--c-cdata)}.xf-t-pi{color:var(--c-pi)}mark.xf-hl{background:color-mix(in srgb, var(--warn) 45%, transparent);color:inherit;border-radius:2px}mark.xf-hl.cur{background:var(--warn);color:#000}.xf-status-bar{border-top:1px solid var(--border);background:var(--surface2);font-family:var(--mono);color:var(--txt-dim);flex-wrap:wrap;align-items:center;gap:12px;padding:8px 14px;font-size:11px;display:flex}.xf-status-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.xf-status-dot.ok{background:var(--ok);box-shadow:0 0 6px var(--ok)}.xf-status-dot.err{background:var(--err);box-shadow:0 0 6px var(--err)}.xf-status-dot.idle{background:var(--txt-dim)}.xf-status-dot.warn{background:var(--warn);box-shadow:0 0 6px var(--warn)}.xf-status-text{font-weight:600}.xf-status-text.ok{color:var(--ok)}.xf-status-text.err{color:var(--err)}.xf-status-text.warn{color:var(--warn)}.xf-status-meta{color:var(--txt-dim)}.xf-stats-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--mono);color:var(--txt-dim);flex-wrap:wrap;gap:18px;margin-bottom:20px;padding:14px 18px;font-size:12px;display:flex}.xf-stats-bar b{color:var(--txt-strong);font-weight:800}.xf-tree{padding:10px 16px}.xf-trow{min-height:var(--row-h);align-items:center;gap:2px;display:flex}.xf-trow:hover{background:color-mix(in srgb, var(--accent) 5%, transparent)}.xf-tconn{flex-shrink:0;align-items:center;height:100%;display:flex}.xf-tdepth{width:18px;height:var(--row-h);flex-shrink:0;position:relative}.xf-tdepth.bar:before{content:"";background:var(--tree-line);width:1px;position:absolute;top:0;bottom:0;left:8px}.xf-tdepth.el:before{content:"";background:var(--tree-line);width:1px;height:50%;position:absolute;top:0;left:8px}.xf-tdepth.el:after{content:"";background:var(--tree-line);width:8px;height:1px;position:absolute;top:50%;left:8px}.xf-ttoggle{cursor:pointer;width:16px;height:16px;color:var(--accent);border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;margin-right:3px;font-size:9px;display:inline-flex}.xf-ttoggle:hover{background:var(--surface2)}.xf-ttoggle.leaf{visibility:hidden}.xf-tchildren.collapsed{display:none}.xf-tcontent{font-family:var(--mono);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.xf-tbadge{color:var(--txt-dim);background:var(--surface2);border:1px solid var(--border);font-size:10px;font-family:var(--mono);border-radius:4px;margin-left:6px;padding:0 5px}.xf-error-display{background:color-mix(in srgb, var(--err) 8%, transparent);border-left:3px solid var(--err);font-family:var(--mono);color:var(--err);border-radius:0 6px 6px 0;margin:8px;padding:16px;font-size:13px;line-height:1.6}.xf-error-display strong{text-transform:uppercase;letter-spacing:.8px;margin-bottom:4px;font-size:11px;display:block}.xf-valid-display{background:color-mix(in srgb, var(--ok) 8%, transparent);border-left:3px solid var(--ok);font-family:var(--mono);color:var(--ok);border-radius:0 6px 6px 0;margin:8px;padding:16px;font-size:13px;line-height:1.6}.xf-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:20px;padding:24px}.xf-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.xf-panel-title{color:var(--txt-strong);font-size:16px;font-weight:800}.xf-panel-sub{color:var(--txt-dim);margin-bottom:16px;font-size:13px}.xf-history-list{flex-direction:column;gap:8px;max-height:420px;display:flex;overflow-y:auto}.xf-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:24px;font-size:13px}.xf-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:10px 14px;transition:border-color .2s,background .2s;display:flex}.xf-history-item:hover{border-color:var(--accent);background:var(--surface)}.xf-history-badge{text-transform:uppercase;letter-spacing:.5px;color:var(--accent);background:color-mix(in srgb, var(--accent) 14%, transparent);border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);border-radius:999px;flex-shrink:0;padding:3px 8px;font-size:10px;font-weight:800}.xf-history-snippet{min-width:0;font-family:var(--mono);color:var(--txt);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px;overflow:hidden}.xf-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.xf-history-del{border:1px solid var(--border);width:24px;height:24px;color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;font-size:12px}.xf-history-del:hover{color:var(--err);border-color:color-mix(in srgb, var(--err) 40%, transparent);background:color-mix(in srgb, var(--err) 8%, transparent)}.b64-howto{counter-reset:xf-step;flex-direction:column;gap:14px;max-width:760px;list-style:none;display:flex}.b64-howto li{color:var(--txt);padding-left:40px;font-size:14px;line-height:1.65;position:relative}.b64-howto li:before{counter-increment:xf-step;content:counter(xf-step);background:linear-gradient(135deg, var(--grad1), var(--grad2));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:800;display:flex;position:absolute;top:0;left:0}.b64-howto strong{color:var(--txt-strong)}.b64-howto code{font-family:var(--mono);color:var(--accent)}.xf-toast{background:var(--surface2);border:1px solid var(--border);color:var(--txt-strong);font-family:var(--mono);z-index:2000;opacity:0;pointer-events:none;border-radius:999px;padding:10px 20px;font-size:13px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(20px)}.xf-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=900px){.xf-editor-layout{grid-template-columns:1fr}.xf-opt-check{grid-column:span 1}}@media (width<=650px){.xf-toolbar{flex-direction:column;align-items:stretch}.xf-btn{justify-content:center}.xf-options{grid-template-columns:1fr;padding:16px}#xf-input,#xf-output-pane{min-height:280px}.xf-pane-header{gap:6px}}