:root{--bg-main:#0f172a;--bg-card:#1e293b;--border-color:#334155;--text-main:#f8fafc;--text-muted:#94a3b8;--primary:#10b981;--primary-hover:#059669;--gold:#fbbf24;--gold-hover:#f59e0b;--danger:#ef4444;--hover-bg:#334155;--font-mono:'JetBrains Mono', 'Fira Code', 'Courier New', monospace}.dark-theme{font-family:'Inter',system-ui,sans-serif;color:var(--text-main);background:var(--bg-main);height:calc(100vh - 120px);min-height:600px;display:flex;flex-direction:column;border-radius:1rem;overflow:hidden;border:1px solid var(--border-color)}.toolbar{background:var(--bg-card);border-bottom:1px solid var(--border-color);padding:1rem 1.5rem}.tool-title{margin:0 0 1rem 0;font-size:1.25rem;font-weight:700;color:var(--gold)}.actions-bar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1rem}.top-main-actions{margin-left:auto;display:flex;gap:.5rem}.dropdown{position:relative;display:inline-block}.dropbtn{background:var(--bg-main);color:var(--text-main);padding:.5rem 1rem;font-size:.9rem;border:1px solid var(--border-color);border-radius:.5rem;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all 0.2s}.dropbtn:hover{border-color:var(--primary);color:var(--primary)}.dropbtn i{width:16px;height:16px}.dropdown-content{display:none;position:absolute;background-color:var(--bg-card);min-width:220px;box-shadow:0 8px 16px 0 rgb(0 0 0 / .5);z-index:100;border:1px solid var(--border-color);border-radius:.5rem;padding:.5rem 0;top:100%;left:0}.dropdown:hover .dropdown-content{display:block}.dropdown-content button{color:var(--text-main);padding:.5rem 1rem;text-decoration:none;display:block;background:none;border:none;width:100%;text-align:left;cursor:pointer;font-size:.85rem}.dropdown-content button:hover{background-color:var(--hover-bg);color:var(--gold)}.divider{height:1px;background:var(--border-color);margin:.25rem 0}.find-replace-bar{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;background:var(--bg-main);padding:.75rem;border-radius:.5rem;border:1px solid var(--border-color)}.fr-group{display:flex;align-items:center;flex:1;min-width:200px;position:relative}.fr-icon{position:absolute;left:.75rem;color:var(--text-muted);width:16px;height:16px}.fr-group input{width:100%;background:var(--bg-card);border:1px solid var(--border-color);color:#fff;padding:.5rem .5rem .5rem 2.25rem;border-radius:.35rem;outline:none}.fr-group input:focus{border-color:var(--primary)}.fr-checkbox{display:flex;align-items:center;gap:.5rem;font-size:.85rem;cursor:pointer;color:var(--text-muted)}.btn{padding:.5rem 1rem;border-radius:.5rem;font-weight:600;cursor:pointer;border:none;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all 0.2s}.btn-primary{background:var(--primary);color:#022c22}.btn-primary:hover{background:var(--primary-hover)}.btn-gold{background:var(--gold);color:#451a03}.btn-gold:hover{background:var(--gold-hover)}.btn-outline{background:#fff0;border:1px solid var(--border-color);color:var(--text-main)}.btn-outline:hover{background:var(--hover-bg)}.btn-danger{background:#fff0;border:1px solid var(--danger);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.workspace{flex:1;position:relative;background:var(--bg-main);display:flex;flex-direction:column;overflow:hidden}.editor-wrapper{display:flex;flex:1;overflow:hidden;position:relative}.line-numbers{width:50px;background:var(--bg-card);border-right:1px solid var(--border-color);padding:1rem .5rem 1rem 0;text-align:right;color:var(--text-muted);font-family:var(--font-mono);font-size:.9rem;line-height:1.5;overflow:hidden;user-select:none}.main-editor{flex:1;background:#fff0;color:#e2e8f0;border:none;padding:1rem;font-family:var(--font-mono);font-size:.9rem;line-height:1.5;resize:none;outline:none;white-space:pre;overflow:auto}.main-editor::-webkit-scrollbar{width:12px;height:12px}.main-editor::-webkit-scrollbar-track{background:var(--bg-main)}.main-editor::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:6px;border:3px solid var(--bg-main)}.main-editor::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.status-bar{background:var(--bg-card);border-top:1px solid var(--border-color);padding:.5rem 1.5rem;display:flex;flex-wrap:wrap;gap:1.5rem;align-items:center;font-size:.8rem;color:var(--text-muted)}.status-item{display:flex;align-items:center;gap:.25rem}.status-val{color:var(--text-main);font-weight:600;font-family:var(--font-mono)}.status-muted{opacity:.7}.ml-auto{margin-left:auto}.toast{position:fixed;bottom:3rem;left:50%;transform:translateX(-50%) translateY(100px);background:var(--primary);color:#022c22;padding:.75rem 1.5rem;border-radius:2rem;font-weight:600;opacity:0;transition:all 0.3s cubic-bezier(.68,-.55,.265,1.55);z-index:1000;display:flex;align-items:center;gap:.5rem}.toast i{width:18px;height:18px}.toast.show{transform:translateX(-50%) translateY(0);opacity:1}