:root{--primary-color: #009eb3;--secondary-color: #111111;--bg-gradient: #ffffff;--glass-bg: #ffffff;--glass-border: rgba(0, 0, 0, .1);--text-color: #111111;--text-muted: #666666;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:var(--text-color);background:var(--bg-gradient);background-attachment:fixed;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;margin:0;display:flex;place-items:center;overflow-x:hidden}#root{width:100%;max-width:1280px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;flex-direction:column}@media(max-width:768px){#root{padding:1rem}}h1{font-size:3.2em;line-height:1.1;text-align:center;color:#111;margin-bottom:.5em;font-weight:800;letter-spacing:-2px}@media(max-width:768px){h1{font-size:2.2em;letter-spacing:-1px}}.subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem;font-size:1.1rem}.app-container{display:flex;flex-direction:column;gap:2rem;flex:1}@media(min-width:768px){.app-container{flex-direction:row;align-items:stretch}.left-panel{flex:0 0 340px;width:340px}}.panel{flex:1;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;padding:2rem;box-shadow:0 8px 32px #00000014;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;transition:transform .3s ease,box-shadow .3s ease;width:100%;overflow:hidden}@media(max-width:768px){.panel{padding:1rem;min-height:auto;flex:none!important;width:100%}}.right-panel{display:flex;flex-direction:column}.right-panel>div{flex:1}@media(max-width:768px){.right-panel>div{flex:none}}.panel:hover{box-shadow:0 8px 32px #009eb326}.dropzone{width:100%;flex:1;min-height:250px;border:2px dashed var(--glass-border);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;position:relative}.dropzone:hover,.dropzone.active{border-color:var(--primary-color);background:#009eb30d}.dropzone-icon{font-size:48px;margin-bottom:1rem;opacity:.8}.dropzone-text{font-weight:500;margin-bottom:.5rem}.dropzone-subtext{font-size:.85rem;color:var(--text-muted)}.hidden-input{display:none}.image-preview-container{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:1rem}.image-preview{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 4px 12px #00000080}.remove-btn{position:absolute;top:-10px;right:-10px;background:#ff4757;color:#fff;border:none;width:30px;height:30px;border-radius:50%;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #ff475766;transition:transform .2s ease}.remove-btn:hover{transform:scale(1.1)}.action-btn{margin-top:0;background:var(--primary-color);color:#fff;border:none;padding:10px 20px;font-size:.95rem;font-weight:600;border-radius:14px;cursor:pointer;box-shadow:0 4px 15px #009eb34d;transition:all .3s ease;width:100%;text-align:left}.action-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #009eb380}.action-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.action-btn.processing{animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 #009eb3b3}70%{transform:scale(1.02);box-shadow:0 0 0 10px #009eb300}to{transform:scale(1);box-shadow:0 0 #009eb300}}.status-message{margin-top:.5rem;font-size:.9rem;color:var(--secondary-color);font-weight:500}.canvas-container{width:100%;height:500px;position:relative}@media(max-width:768px){.canvas-container{height:400px}}.canvas-container>div{position:absolute!important;top:0;left:0;width:100%!important;height:100%!important}.placeholder-3d{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);text-align:center}.placeholder-icon{font-size:64px;margin-bottom:1rem;opacity:.3}.steps-bar{display:flex;align-items:center;justify-content:center;gap:.25rem;margin-bottom:1.5rem;flex-wrap:wrap}.step-item{display:flex;align-items:center;gap:.4rem;padding:.4rem .6rem;border-radius:20px;font-size:.8rem;color:var(--text-muted);transition:all .3s ease}.step-item.active{color:var(--text-color)}.step-item.current{background:#009eb31a;border:1px solid rgba(0,158,179,.3)}.step-number{width:22px;height:22px;border-radius:50%;background:#0000001a;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;flex-shrink:0}.step-item.active .step-number{background:var(--primary-color);color:#fff}.step-label{white-space:nowrap}.step-arrow{opacity:.3;flex-shrink:0}.fade-in{animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.brush-toolbar{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:8px;background:var(--glass-bg);padding:8px 16px;border-radius:30px;box-shadow:0 4px 12px #0000001a;border:1px solid var(--glass-border);margin-bottom:12px;color:var(--text-color);z-index:10;width:100%}.brush-btn{background:transparent;border:none;color:var(--text-muted);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.brush-btn:hover{background:#0000000d;color:var(--text-color)}.brush-btn.active{background:var(--primary-color);color:#fff;box-shadow:0 2px 8px #009eb34d}.brush-slider{appearance:none;width:100px;height:4px;background:#0000001a;border-radius:2px;outline:none}.brush-slider::-webkit-slider-thumb{appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 1px 4px #0003}.brush-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 1px 4px #0003;border:none}