.ip-toggle-wrapper{margin-bottom:1.5rem}.ip-toggle-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;background:#f0f4f8;border:1px solid #d0d7de;border-radius:6px;font-size:.9rem;font-weight:500;color:#1e2433;cursor:pointer;transition:background .15s,border-color .15s}.ip-toggle-btn:hover{background:#e2e8f0;border-color:#b0b8c4}.ip-toggle-btn .ip-toggle-icon{font-size:.65rem;color:#5a6270;transition:transform .2s}.invoice-playground{border:1px solid #d0d7de;border-radius:8px;background:#f8f9fb;overflow:hidden;margin-bottom:2rem}.ip-controls{padding:1rem 1.25rem;background:#1e2433;align-items:flex-end}.ip-controls label{display:block;font-size:.7rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#8b95a8;margin-bottom:.25rem}.ip-controls select{display:block;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#2a3040 url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238b95a8'/%3E%3C/svg%3E") no-repeat right .6rem center;color:#e2e6ed;border:1px solid #3a4258;border-radius:4px;padding:.35rem 2rem .35rem .6rem;font-size:.85rem;line-height:1.4;cursor:pointer;transition:border-color .15s}.ip-controls select:hover{border-color:#5a6580}.ip-controls select:focus{outline:none;border-color:#4a8eff;box-shadow:0 0 0 2px rgba(74,142,255,.2)}.ip-controls-inputs{gap:.75rem;align-items:flex-end}.ip-control-group{flex:0 0 auto}.ip-editor{display:flex;flex-direction:column;border-bottom:1px solid #d0d7de}.ip-editor-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem;background:#272d3b;font-size:.75rem;font-weight:600;color:#8b95a8;letter-spacing:.03em}.ip-textarea{flex:1;width:100%;min-height:380px;padding:1rem;border:none;resize:vertical;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.82rem;line-height:1.55;-moz-tab-size:4;-o-tab-size:4;tab-size:4;color:#d4dae4;background:#1b1f2b}.ip-textarea:focus{outline:none}.ip-textarea::-moz-placeholder{color:#555d70}.ip-textarea::placeholder{color:#555d70}.ip-preview{display:none}.ip-preview.ip-visible{display:block}.ip-preview-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem;background:#f0f2f5;border-bottom:1px solid #d0d7de;font-size:.75rem;font-weight:600;color:#5a6270;letter-spacing:.03em}.ip-preview-body{position:relative}.ip-preview-placeholder{text-align:center;color:#9ca3af;padding:4rem 2rem}.ip-preview-placeholder .ip-placeholder-icon{font-size:2.5rem;margin-bottom:.75rem;opacity:.4}.ip-preview-placeholder p{margin:0;font-size:.85rem}.ip-preview-iframe{display:none;width:100%;border:none;vertical-align:bottom}.ip-actions{display:flex;align-items:flex-end;justify-content:flex-end}.ip-btn-generate{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem 1.25rem;line-height:1.4;background:#2563eb;color:#fff;border:none;border-radius:5px;font-size:.85rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s;white-space:nowrap}.ip-btn-generate:hover{background:#1d4ed8}.ip-btn-generate:active{transform:scale(.97)}.ip-btn-generate:disabled{opacity:.6;cursor:not-allowed;transform:none}.ip-btn-generate .ip-spinner{display:none;width:14px;height:14px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:ip-spin .6s linear infinite}.ip-btn-generate.ip-loading .ip-spinner{display:inline-block}@keyframes ip-spin{to{transform:rotate(1turn)}}.ip-error{display:none;margin:1rem;padding:.75rem 1rem;background:#fef2f2;border:1px solid #fca5a5;border-radius:5px;color:#991b1b;font-size:.82rem;line-height:1.5;word-break:break-word}.ip-status{color:#6b7280;font-size:.78rem;display:none}