*,:before,:after{box-sizing:border-box}:root{--bg:#0f1117;--surface:#1a1d27;--surface2:#22253a;--border:#2e3047;--text:#c5c8d6;--text-dim:#6b7089;--text-bright:#e8eaf6;--accent:#7c6af7;--accent-hover:#9080ff;--danger:#f04;--mono:ui-monospace, "Cascadia Code", Consolas, monospace;--sans:system-ui, "Segoe UI", sans-serif}body{background:var(--bg);color:var(--text);font-family:var(--sans);flex-direction:column;height:100dvh;margin:0;font-size:14px;display:flex;overflow:hidden}#app{flex-direction:column;height:100dvh;display:flex;overflow:hidden}header{border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;align-items:center;gap:10px;height:48px;padding:0 16px;display:flex}header h1{color:var(--text-bright);letter-spacing:.3px;margin:0;font-size:15px;font-weight:600}#drop-zone{flex:1;justify-content:center;align-items:center;padding:40px;display:flex}#drop-zone.drag-over #drop-inner{border-color:var(--accent);background:#7c6af714}#drop-inner{border:2px dashed var(--border);text-align:center;border-radius:16px;flex-direction:column;align-items:center;gap:16px;padding:60px 80px;transition:border-color .2s,background .2s;display:flex}#drop-inner svg{color:var(--text-dim)}#drop-inner p{color:var(--text-dim);margin:0;font-size:15px}#drop-inner code{background:var(--surface2);font-family:var(--mono);color:var(--accent);border-radius:4px;padding:2px 6px;font-size:13px}#browse-btn{color:var(--accent);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;padding:0;font-size:15px;text-decoration:underline}#browse-btn:hover{color:var(--accent-hover)}#workspace{flex-direction:column;flex:1;display:flex;overflow:hidden}#workspace.hidden,#drop-zone.hidden{display:none}#toolbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;flex-shrink:0;align-items:center;gap:8px;padding:8px 12px;display:flex}#search-replace{flex:1;align-items:center;gap:6px;min-width:0;display:flex}#search-input,#replace-input,#download-prefix-input{background:var(--surface2);border:1px solid var(--border);color:var(--text-bright);font-family:var(--mono);border-radius:6px;outline:none;width:200px;padding:5px 10px;font-size:13px;transition:border-color .15s}#search-input:focus,#replace-input:focus,#download-prefix-input:focus{border-color:var(--accent)}#search-input.has-match{border-color:#4caf87}#search-input.no-match{border-color:#f04}#match-count{color:var(--text-dim);white-space:nowrap;min-width:80px;font-size:12px}#toolbar-actions{gap:6px;display:flex}#download-prefix-input{width:150px}button{cursor:pointer;font-size:13px;font-family:var(--sans);border:none;border-radius:6px;padding:5px 12px;transition:background .15s}#replace-all-btn{background:var(--accent);color:#fff}#replace-all-btn:hover{background:var(--accent-hover)}#download-all-btn{background:var(--surface2);color:var(--text-bright);border:1px solid var(--border)}#download-all-btn:hover{background:var(--border)}#clear-btn{color:var(--danger);background:#ff00441f;border:1px solid #ff004440}#clear-btn:hover{background:#ff004438}#main{flex:1;display:flex;overflow:hidden}#file-list-panel{border-right:1px solid var(--border);background:var(--surface);flex-shrink:0;width:220px;overflow-y:auto}#file-list{flex-direction:column;gap:2px;padding:6px;display:flex}.file-item{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;align-items:center;gap:6px;padding:7px 10px;transition:background .12s;display:flex}.file-item:hover{background:var(--surface2)}.file-item.active{background:#7c6af72e}.file-item .file-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--text);flex:1;font-size:12.5px;overflow:hidden}.file-item.active .file-name{color:var(--text-bright)}.file-item .match-badge{background:var(--accent);color:#fff;border-radius:10px;flex-shrink:0;padding:1px 6px;font-size:10px}.file-item .remove-btn{color:var(--text-dim);opacity:0;background:0 0;border:none;border-radius:3px;padding:0 2px;font-size:14px;line-height:1;transition:opacity .1s,color .1s}.file-item:hover .remove-btn{opacity:1}.file-item .remove-btn:hover{color:var(--danger)}#editor-panel{flex-direction:column;flex:1;display:flex;overflow:hidden}#editor-header{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:6px 12px;display:flex}#active-filename{font-family:var(--mono);color:var(--text-dim);font-size:12.5px}#download-one-btn{background:var(--surface2);color:var(--text-bright);border:1px solid var(--border)}#download-one-btn:hover{background:var(--border)}#editor{background:var(--bg);color:var(--text-bright);resize:none;font-family:var(--mono);tab-size:4;border:none;outline:none;flex:1;padding:16px 20px;font-size:13.5px;line-height:1.6}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.hidden{display:none!important}