*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#fff;background-image:linear-gradient(rgba(0,61,165,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,61,165,.06) 1px,transparent 1px);background-size:24px 24px;display:flex;height:100vh;height:100dvh;overflow:hidden;padding:1rem;gap:0}.sidebar{width:170px;background:#f9fbfd;color:#000;display:flex;flex-direction:column;overflow-y:auto;border:1px solid #e2e8f0;border-radius:12px;order:2;box-shadow:#0000000f 0 4px 12px}.sidebar-header{padding:10px;background:#f5f5f5;text-align:left;font-weight:700;font-size:14px;border-bottom:2px solid #d3d3d3;height:50px;display:flex;align-items:center;border-radius:12px 12px 0 0}.sidebar-item{padding:12px 15px;border-bottom:2px solid #d3d3d3;cursor:pointer;font-size:13px;display:flex;align-items:center;transition:background .2s}.sidebar-item:first-child{border-top:2px solid #d3d3d3}.sidebar-item:hover{background:#d3d3d3}.sidebar-item.active{background:#1865f2;color:#fff}.icon-btn{background:none;border:none;cursor:pointer;padding:5px;margin:0 2px;display:flex;align-items:center;justify-content:center;border-radius:3px}.icon-btn:hover{background-color:#e0e0e0}.icon-btn:disabled{opacity:.5;cursor:not-allowed;background-color:transparent}.icon-svg{width:16px;height:16px;fill:#333}.icon-btn:disabled .icon-svg{fill:#999}.sidebar-footer{margin-top:auto;padding:15px;font-size:11px;color:#bdc3c7;text-align:center;border-top:2px solid #d3d3d3}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;order:1;border:1px solid #e2e8f0;border-radius:12px;box-shadow:#0000000f 0 4px 12px;background:#fff}.editor-container{flex:1;display:flex;overflow:hidden}.code-section{width:50%;background:#fff;display:flex;flex-direction:column;border-right:1px solid #d3d3d3;position:relative}.editor-overlay{position:absolute;inset:50px 0 0;background:#00000080;display:none;justify-content:center;align-items:center;z-index:10}.editor-overlay-content{background:#fff;padding:20px;border-radius:5px;box-shadow:0 2px 10px #0003;text-align:center}.preview-section{width:50%;background:#fff;display:flex;flex-direction:column;position:relative}.preview-overlay{position:absolute;inset:50px 0 0;background:#00000080;display:none;justify-content:center;align-items:center;z-index:10}.preview-overlay-content{background:#fff;padding:20px;border-radius:5px;box-shadow:0 2px 10px #0003;text-align:center}.section-header{background:#f9fbfd;padding:10px;font-size:14px;font-weight:700;color:#1a252f;border-bottom:2px solid #d3d3d3;display:flex;justify-content:space-between;align-items:center;height:50px;border-radius:12px 12px 0 0}.section-actions{display:flex;gap:2px;align-items:center}.section-btn{background:#e0e0e0;border:1px solid #ccc;padding:2px 8px;font-size:12px;cursor:pointer;border-radius:3px}.section-btn:hover{background:#d0d0d0}.section-btn:disabled{background:#f0f0f0;cursor:not-allowed;opacity:.6}.code-editor{flex:1;border:none;outline:none;font-family:Courier New,monospace;font-size:12px;padding:15px;resize:none;line-height:1.4;background:#fff}.preview-frame{flex:1;border:none;background:#fff}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background:#00000080;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:#fff;margin:2% auto;padding:0;width:380px;max-width:92%;max-height:90vh;border-radius:12px;box-shadow:0 20px 40px -12px #0003;border:1px solid #e2e8f0;overflow-y:auto;animation:slideUp .2s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-bottom:1px solid #e2e8f0}.modal-header h3{font-size:1rem;font-weight:600;color:#0f172a;margin:0;display:flex;align-items:center;gap:.5rem}.modal-header h3 svg{width:18px;height:18px;color:#3b82f6}.modal-body{padding:1rem 1.25rem}.close{cursor:pointer;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .15s;color:#64748b}.close:hover{background:#f1f5f9;color:#0f172a}.close svg{width:16px;height:16px}.btn-primary{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 1rem;font-size:.875rem;font-weight:500;border:none;border-radius:8px;cursor:pointer;background:#0f172a;color:#fff;transition:all .15s ease;font-family:inherit;outline:none}.btn-primary:hover{background:#1e293b}.btn-primary:focus-visible{box-shadow:0 0 0 2px #fff,0 0 0 4px #0f172a}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 1rem;font-size:.875rem;font-weight:500;border:1px solid #e2e8f0;border-radius:8px;cursor:pointer;background:#fff;color:#0f172a;transition:all .15s ease;font-family:inherit;outline:none}.btn-secondary:hover{background:#f8fafc}.btn-danger{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 .75rem;font-size:.8125rem;font-weight:500;border:none;border-radius:6px;cursor:pointer;background:#ef4444;color:#fff;transition:all .15s ease;font-family:inherit;outline:none}.btn-danger:focus-visible{box-shadow:0 0 0 2px #fff,0 0 0 4px #ef4444}.privacy-list{list-style:none;padding:0;margin:0 0 .75rem}.privacy-item{display:flex;align-items:flex-start;gap:.625rem;padding:.5rem 0;border-bottom:1px solid #f1f5f9}.privacy-item:last-child{border-bottom:none}.privacy-icon{flex-shrink:0;width:20px;height:20px;background:#dcfce7;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-top:2px}.privacy-icon svg{width:12px;height:12px;color:#16a34a}.privacy-text{font-size:.8125rem;line-height:1.45;color:#334155}.privacy-section-title{font-size:.75rem;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.375rem}.privacy-github{text-align:center;padding:.75rem;background:#f8fafc;border-radius:8px;margin-top:.75rem}.privacy-github p{font-size:.8125rem;color:#64748b;margin:0}.privacy-github a{color:#3b82f6;text-decoration:none;font-weight:500;display:inline-flex;align-items:center;gap:.25rem}.privacy-github a:hover{text-decoration:underline}.privacy-github svg{width:14px;height:14px}.modal-footer{padding:.75rem 1.25rem;background:#f8fafc;border-top:1px solid #e2e8f0;text-align:center}.btn{padding:.625rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .2s}.btn-primary{background:#3b82f6;color:#fff}.btn-primary:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background:#64748b;color:#fff}.btn-secondary:hover{background:#475569}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.file-input{display:none}.file-label{display:inline-block;padding:10px 20px;background:#3498db;color:#fff;border-radius:4px;cursor:pointer;margin:10px 0}.file-label:hover{background:#2980b9}@media(max-width:768px){body{flex-direction:column;height:100vh;height:100dvh;overflow:hidden;padding:.5rem}.sidebar{width:100%;flex-direction:row;overflow-x:auto;overflow-y:hidden;order:1;border-radius:8px;border:1px solid #e2e8f0;box-shadow:#0000000f 0 2px 8px;height:auto;min-height:50px}.sidebar-header{display:none}.sidebar-item{flex:0 0 auto;min-width:80px;justify-content:center;padding:10px 12px;font-size:12px;border:none;border-right:1px solid #d3d3d3;margin:0;border-radius:0}.sidebar-item:last-child{border-right:none}.sidebar-footer{display:none}.main-content{order:2;flex:1;margin-top:.5rem;border-radius:8px;overflow:hidden}.tab-switcher{display:flex}.editor-container{flex-direction:column}.code-section,.preview-section{width:100%;height:100%;border-right:none;border-bottom:none}.code-section.hidden-mobile,.preview-section.hidden-mobile{display:none}.code-editor{font-size:13px;padding:12px}.section-header{height:44px;padding:8px;font-size:13px}.section-btn{padding:6px 10px;font-size:11px}#inspectorPanel{bottom:5px;left:5px;right:5px;padding:8px;font-size:11px}#inspectorPanel h4{font-size:12px}#deleteBtn{padding:6px 12px;font-size:10px}}.highlight{background:#fff3cd!important}.preview-selected{outline:2px dashed #1865f2!important;outline-offset:2px}#inspectorPanel{position:absolute;bottom:10px;left:10px;right:10px;background:#f9fbfdf2;border:1px solid #d3d3d3;border-radius:4px;padding:10px;font-size:12px;z-index:5;box-shadow:0 2px 5px #0000001a;display:none}#inspectorPanel h4{margin-top:0;margin-bottom:5px;font-size:13px}#inspectorPanel p{margin:3px 0}#deleteBtn{margin-top:8px;padding:5px 10px;font-size:11px}.tab-switcher{display:none;background:#f9fbfd;border-bottom:2px solid #d3d3d3;padding:0}.tab-btn{flex:1;padding:12px 16px;background:none;border:none;border-bottom:3px solid transparent;font-size:14px;font-weight:600;color:#64748b;cursor:pointer;transition:all .2s}.tab-btn.active{color:#1865f2;border-bottom-color:#1865f2;background:#1865f20d}.tab-btn:hover:not(.active){color:#334155;background:#00000005}