#hf-tool{--radius:10px;--err:#ff5c6a;--warn:#ffb347}[data-theme=light] #hf-tool{--err:#d92f3d}.hf-toolbar{flex-wrap:wrap;justify-content:space-between;gap:10px;margin-bottom:14px;display:flex}.hf-toolbar-group{flex-wrap:wrap;gap:6px;display:flex}.hf-btn{border:1px solid var(--border);background:var(--surface);color:var(--txt);cursor:pointer;white-space:nowrap;border-radius:8px;align-items:center;gap:6px;padding:9px 16px;font-size:13px;font-weight:700;transition:background .2s,color .2s;display:inline-flex}.hf-btn:hover{background:var(--surface2);color:var(--txt-strong)}.hf-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.hf-btn.danger{background:color-mix(in srgb, var(--err) 12%, transparent);color:var(--err);border-color:color-mix(in srgb, var(--err) 25%, transparent)}.hf-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:14px;padding:18px 20px;display:grid}.hf-opt{flex-direction:column;gap:6px;display:flex}.hf-opt label{color:var(--txt-strong);font-size:12px;font-weight:700}.hf-opt select,.hf-opt input{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}.hf-check{color:var(--txt);cursor:pointer;align-items:center;gap:9px;font-size:13px;display:flex}.hf-check input{accent-color:var(--accent);flex-shrink:0;width:15px;height:15px}.hf-check code{font-family:var(--mono);color:var(--accent);font-size:12px}.hf-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}.hf-search-bar:focus-within{border-color:var(--accent)}.hf-search-bar input{font-family:var(--mono);color:var(--txt);background:0 0;border:none;outline:none;flex:1;font-size:13px}.hf-search-count{font-size:11px;font-family:var(--mono);color:var(--txt-dim);white-space:nowrap}.hf-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}.hf-editor-layout{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:14px;display:grid}.hf-editor-pane{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;display:flex;overflow:hidden}.hf-editor-pane.dragover{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent)}.hf-pane-hd{border-bottom:1px solid var(--border);background:var(--surface2);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;padding:10px 14px;display:flex}.hf-pane-title{letter-spacing:1px;text-transform:uppercase;color:var(--txt-dim);font-size:12px;font-weight:700;font-family:var(--mono)}.hf-pane-actions{flex-wrap:wrap;gap:6px;display:flex}.hf-pane-btn{border:1px solid var(--border);color:var(--txt-dim);cursor:pointer;background:0 0;border-radius:5px;padding:4px 10px;font-size:11px;font-weight:600}.hf-pane-btn:hover{background:var(--surface);color:var(--txt)}.hf-pane-btn.danger{color:var(--err);border-color:color-mix(in srgb, var(--err) 30%, transparent)}#hf-input{resize:none;min-height:420px;color:var(--txt);font-family:var(--mono);background:0 0;border:none;outline:none;flex:1;padding:16px;font-size:13px;line-height:1.7}.hf-output{min-height:420px;font-family:var(--mono);white-space:pre-wrap;word-break:break-word;color:var(--txt-strong);flex:1;margin:0;padding:16px;font-size:13px;line-height:1.7;overflow:auto}.hf-placeholder{color:var(--txt-dim)}mark.hf-hl{background:color-mix(in srgb, var(--warn) 50%, transparent);border-radius:2px}mark.hf-hl.cur{background:var(--warn);color:#000}.hf-pane-ft{border-top:1px solid var(--border);background:var(--surface2);font-family:var(--mono);color:var(--txt-dim);padding:8px 14px;font-size:11px}.hf-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:16px;padding:14px 18px;font-size:12px;display:flex}.hf-stats-bar b{color:var(--txt-strong);font-weight:800}.hf-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.hf-panel-hd{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.hf-panel-title{color:var(--txt-strong);margin-bottom:6px;font-size:16px;font-weight:800}.hf-panel-sub{color:var(--txt-dim);margin-bottom:14px;font-size:13px}.hf-valid-ok{background:color-mix(in srgb, var(--ok) 8%, transparent);border-left:3px solid var(--ok);color:var(--ok);border-radius:0 6px 6px 0;padding:14px 16px;font-size:13px;font-weight:700}.hf-issue{border-radius:8px;gap:10px;margin-bottom:8px;padding:10px 14px;font-size:13px;line-height:1.6;display:flex}.hf-issue.error{background:color-mix(in srgb, var(--err) 8%, transparent);border-left:3px solid var(--err);color:var(--err)}.hf-issue.warn{background:color-mix(in srgb, var(--warn) 8%, transparent);border-left:3px solid var(--warn);color:var(--warn)}.hf-issue .ln{font-family:var(--mono);flex-shrink:0;font-weight:800}.hf-history-list{flex-direction:column;gap:8px;max-height:380px;display:flex;overflow-y:auto}.hf-history-empty{text-align:center;color:var(--txt-dim);background:var(--surface2);border:1px dashed var(--border);border-radius:var(--radius);padding:20px;font-size:13px}.hf-history-item{background:var(--surface2);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:12px;padding:10px 14px;display:flex}.hf-history-item:hover{border-color:var(--accent)}.hf-history-badge{text-transform:uppercase;color:var(--accent);background:color-mix(in srgb, var(--accent) 14%, transparent);border-radius:999px;flex-shrink:0;padding:3px 8px;font-size:10px;font-weight:800}.hf-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}.hf-history-time{color:var(--txt-dim);font-size:11px;font-family:var(--mono);flex-shrink:0}.hf-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}.hf-history-del:hover{color:var(--err);border-color:var(--err)}.b64-howto{counter-reset:hf-step;flex-direction:column;gap:14px;max-width:780px;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:hf-step;content:counter(hf-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)}.hf-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)}.hf-toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=900px){.hf-editor-layout{grid-template-columns:1fr}}@media (width<=650px){.hf-toolbar{flex-direction:column;align-items:stretch}.hf-options{grid-template-columns:1fr}#hf-input,.hf-output{min-height:260px}}