main{flex-direction:column;flex:1;display:flex;overflow-y:auto}.form-container{padding:20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;flex:1}.output-container{padding:20px;display:flex;flex-direction:column;overflow-y:auto;flex:1}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:12px;font-weight:600;color:var(--muted)}textarea{background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:var(--r);outline:none;font-family:JetBrains Mono,monospace;font-size:13px;resize:vertical;min-height:200px;line-height:1.5;transition:border-color .2s}textarea:focus{border-color:var(--accent)}textarea[readonly]{cursor:default}.mode-toggle-wrapper{display:flex;background:var(--bg3);border:1px solid var(--border);padding:4px;border-radius:var(--r);margin-bottom:8px}.mode-radio{flex:1;display:flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;color:var(--muted);text-align:center}.mode-radio input{display:none}.mode-radio.active{background:var(--accent);color:#fff}.mode-radio:hover:not(.active){color:#fff}.preset-row{display:flex;gap:8px}@media(max-width:768px){main{flex-direction:column;overflow-y:auto}}