:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--bg-sidebar:#fff;--bg-canvas:#f3f4f6;--bg-surface:#fff;--border-color:#e5e7eb;--text-primary:#111827;--text-secondary:#6b7280;--accent-color:#2563eb;--accent-hover:#1d4ed8;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-canvas:0 0 0 1px #0000000d, 0 20px 25px -5px #0000001a;--font-family:"Inter", -apple-system, sans-serif}*{box-sizing:border-box}body{font-family:var(--font-family);color:var(--text-primary);background:var(--bg-canvas);margin:0;padding:0;overflow:hidden}.builder-layout{height:100vh;display:flex}.editor-sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;width:360px;min-width:360px;display:flex}.sidebar-header{border-bottom:1px solid var(--border-color);background:var(--bg-surface);align-items:center;gap:12px;padding:16px 20px;display:flex}.brand{color:var(--text-primary);align-items:center;gap:10px;font-size:1.1rem;font-weight:700;display:flex}.icon-logo{color:var(--accent-color)}.sidebar-tabs{border-bottom:1px solid var(--border-color);background:#f9fafb;display:flex}.tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:12px 0;font-size:.8rem;font-weight:600;transition:all .2s}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent-color);border-bottom-color:var(--accent-color);background:var(--bg-surface)}.sidebar-content{background:#fcfcfd;flex:1;padding:24px 20px;overflow-y:auto}.section-title{text-transform:uppercase;letter-spacing:.08em;color:#1a202c;border-bottom:1px solid #edf2f7;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;font-size:.8rem;font-weight:800;display:flex}.form-group{margin-bottom:24px}.form-group label{color:#4a5568;margin-bottom:8px;font-size:.85rem;font-weight:600;display:block}.form-control{width:100%;color:var(--text-primary);background:#fff;border:1px solid #d1d5db;border-radius:6px;padding:10px 12px;font-size:.875rem;transition:border-color .2s,box-shadow .2s}.form-control:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}textarea.form-control{resize:vertical;min-height:80px}.image-upload{text-align:center;cursor:pointer;background:#f9fafb;border:1px dashed #d1d5db;border-radius:6px;padding:16px;transition:all .2s}.img-preview{object-fit:contain;border-radius:4px;max-width:100%;max-height:60px}.img-placeholder{color:var(--text-secondary);flex-direction:column;align-items:center;gap:8px;font-size:.8rem;display:flex}.list-item{border:1px solid var(--border-color);background:#f9fafb;border-radius:8px;margin-bottom:12px;padding:16px;position:relative}.btn-delete{color:#ef4444;cursor:pointer;opacity:.7;background:0 0;border:none;padding:4px;position:absolute;top:10px;right:10px}.btn-delete:hover{opacity:1}.btn-add{width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:1px dashed #d1d5db;border-radius:6px;padding:12px;font-weight:500}.btn-add:hover{border-color:var(--accent-color);color:var(--accent-color);background:#eff6ff}.color-wrap{background:#fff;border:1px solid #d1d5db;border-radius:6px;align-items:center;gap:10px;padding:4px 8px;display:flex}.color-picker{-webkit-appearance:none;cursor:pointer;background:0 0;border:none;border-radius:4px;width:24px;height:24px;padding:0}.color-picker::-webkit-color-swatch-wrapper{padding:0}.color-picker::-webkit-color-swatch{border:none;border-radius:4px}.color-wrap input[type=text]{width:100%;color:var(--text-primary);border:none;outline:none;font-family:monospace;font-size:.85rem}.editor-canvas{background:var(--bg-canvas);flex-direction:column;flex:1;display:flex;overflow:hidden}.canvas-toolbar{background:var(--bg-surface);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;height:60px;padding:0 24px;display:flex}.toolbar-status{color:var(--text-secondary);align-items:center;gap:8px;font-size:.85rem;font-weight:500;display:flex}.pulse-dot{background-color:#10b981;border-radius:50%;width:8px;height:8px;animation:2s infinite pulse;box-shadow:0 0 #10b98166}@keyframes pulse{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 6px #10b98100}to{box-shadow:0 0 #10b98100}}.device-switch{background:#f3f4f6;border-radius:8px;gap:4px;padding:4px;display:flex}.device-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:6px 16px;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.device-btn:hover{color:var(--text-primary)}.device-btn.active{color:var(--text-primary);background:#fff;box-shadow:0 1px 3px #0000001a}.btn-publish{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:.85rem;font-weight:600;transition:all .2s;display:flex}.btn-publish:hover{background:var(--accent-hover);box-shadow:0 4px 6px #2563eb33}.preview-wrapper{flex:1;justify-content:center;align-items:center;display:flex;overflow:auto}.preview-wrapper.desktop-mode{background:#fff;padding:0}.preview-wrapper.mobile-mode{background:var(--bg-canvas);padding:32px}.preview-frame{background:#fff;border:none;border-radius:0;width:100%;height:100%;transition:all .4s cubic-bezier(.4,0,.2,1)}.preview-frame.desktop{width:100%;height:100%}.preview-frame.mobile{border:12px solid #111827;border-radius:40px;flex-shrink:0;width:375px;height:700px;max-height:90%;margin:auto;box-shadow:0 25px 50px -12px #00000040}.animate-in{animation:.3s forwards fadeUp}@keyframes fadeUp{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.accordion-section{border:1px solid var(--border-color);border-radius:8px;margin-bottom:10px;overflow:hidden}.accordion-header{cursor:pointer;width:100%;color:var(--text-primary);text-align:left;background:#f9fafb;border:none;align-items:center;gap:8px;padding:12px 14px;font-size:.8rem;font-weight:700;transition:background .15s;display:flex}.accordion-header:hover{background:#f3f4f6}.accordion-icon{color:var(--accent-color);align-items:center;display:flex}.accordion-title{flex:1}.accordion-chevron{color:var(--text-secondary);align-items:center;display:flex}.accordion-body{border-top:1px solid var(--border-color);background:#fff;padding:16px 14px}.subsection-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin:16px 0 10px;font-size:.7rem;font-weight:700}.label-hint{color:var(--text-secondary);font-size:.75rem;font-weight:400}.field-info{color:#9ca3af;margin:4px 0 0;font-size:.72rem;line-height:1.4}.color-preview-bar{border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:4px;padding:10px 14px;transition:background .3s;display:flex}.mb-0{margin-bottom:0!important}.radio-group{gap:8px;display:flex}.radio-option{border:2px solid var(--border-color);cursor:pointer;color:var(--text-secondary);-webkit-user-select:none;user-select:none;background:#f9fafb;border-radius:8px;flex:1;align-items:center;gap:6px;padding:10px 12px;font-size:.8rem;font-weight:600;transition:all .2s;display:flex}.radio-option input[type=radio]{display:none}.radio-option:hover{border-color:var(--accent-color);color:var(--accent-color)}.radio-option.selected{border-color:var(--accent-color);color:var(--accent-color);background:#eff6ff}.radio-icon{font-size:1rem}.tracking-badge{border-radius:6px;margin-top:8px;padding:8px 12px;font-size:.78rem;font-weight:500;line-height:1.5}.tracking-badge.active{color:#065f46;background:#ecfdf5;border:1px solid #6ee7b7}.tracking-badge.inactive{color:#92400e;background:#fffbeb;border:1px solid #fcd34d}.tracking-badge code{background:#00000012;border-radius:3px;padding:1px 4px;font-size:.75rem}.sidebar-tabs .tab{font-size:.72rem}.scrollable-panel{flex-direction:column;gap:4px;display:flex}.image-upload-label{cursor:pointer;width:100%;display:block}.img-preview-container{border:1px solid var(--border-color);aspect-ratio:16/9;background:#f3f4f6;border-radius:8px;justify-content:center;align-items:center;width:100%;display:flex;position:relative;overflow:hidden}.img-preview-container img{object-fit:contain;width:100%;height:100%}.img-overlay{color:#fff;opacity:0;background:#0006;justify-content:center;align-items:center;gap:8px;width:100%;height:100%;font-size:.8rem;font-weight:600;transition:opacity .2s;display:flex;position:absolute;top:0;left:0}.img-preview-container:hover .img-overlay{opacity:1}.media-info-card{color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px;gap:12px;margin-top:24px;padding:16px;display:flex}.media-info-card p{margin:0;font-size:.75rem;line-height:1.5}.image-upload{border:2px dashed var(--border-color);background:#f9fafb;border-radius:12px;transition:all .2s}.image-upload:hover{border-color:var(--accent-color);background:#f0f7ff}.img-placeholder{color:var(--text-secondary);padding:24px;font-size:.85rem;font-weight:500}.sidebar-content::-webkit-scrollbar{width:5px}.sidebar-content::-webkit-scrollbar-track{background:0 0}.sidebar-content::-webkit-scrollbar-thumb{background:#e2e8f0;border-radius:10px}.sidebar-content::-webkit-scrollbar-thumb:hover{background:#cbd5e1}.btn-publish{box-shadow:0 4px 14px #2563eb63}.btn-publish:hover{transform:translateY(-1px)}.sheet-guide{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;margin-top:12px;padding:16px}.guide-header{color:#475569;align-items:center;gap:8px;margin-bottom:10px;font-size:.8rem;font-weight:700;display:flex}.sheet-guide ol{margin:0;padding-left:20px}.sheet-guide li{color:#64748b;margin-bottom:8px;font-size:.75rem;line-height:1.4}.sheet-guide li strong{color:#475569}.sheet-guide li em{background:#f1f5f9;border-radius:4px;padding:2px 4px;font-family:monospace;font-style:normal}