:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-surface: #0f3460;--text-primary: #e8e8e8;--text-secondary: #a0a0b0;--accent: #e94560;--accent-hover: #ff6b81;--success: #4ecdc4;--warning: #f9c74f;--danger: #e94560;--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-tap-highlight-color:transparent;touch-action:manipulation}#app{height:100%;display:flex;flex-direction:column}.screen{flex:1;display:flex;flex-direction:column;padding:16px;overflow-y:auto;-webkit-overflow-scrolling:touch}.screen-header{text-align:center;padding:12px 0 20px}.screen-header h1{font-size:22px;font-weight:700;margin-bottom:4px}.screen-header p{font-size:14px;color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:background .2s,transform .1s;min-height:48px;min-width:48px}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary)}.btn-secondary:hover{background:#1a4a80}.btn-full{width:100%}.upload-area{border:2px dashed var(--bg-surface);border-radius:var(--radius);padding:40px 20px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;margin:16px 0}.upload-area:hover,.upload-area.dragover{border-color:var(--accent);background:#e945600d}.upload-area p{color:var(--text-secondary);font-size:14px;margin-top:8px}.master-preview{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;margin:16px 0;background:var(--bg-secondary);touch-action:none}.master-preview canvas{width:100%;height:auto;display:block}.size-selector{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}.size-option{flex:1;min-width:70px;padding:10px 8px;border:2px solid var(--bg-surface);border-radius:var(--radius-sm);background:transparent;color:var(--text-primary);font-size:14px;font-weight:600;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}.size-option.active{border-color:var(--accent);background:#e9456026}.camera-container{flex:1;position:relative;background:#000;border-radius:var(--radius);overflow:hidden;margin:8px 0}.camera-container video{width:100%;height:100%;object-fit:cover}.camera-guide{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60%;aspect-ratio:1;border:2px solid rgba(255,255,255,.4);border-radius:var(--radius);pointer-events:none}.camera-guide:after{content:"Center piece here";position:absolute;bottom:-28px;left:50%;transform:translate(-50%);font-size:12px;color:#fff9;white-space:nowrap}.camera-controls{display:flex;gap:12px;padding:12px 0;justify-content:center}.capture-btn{width:64px;height:64px;border-radius:50%;border:4px solid white;background:transparent;cursor:pointer;position:relative}.capture-btn:after{content:"";position:absolute;inset:4px;border-radius:50%;background:#fff;transition:transform .1s}.capture-btn:active:after{transform:scale(.9)}.piece-preview{text-align:center;margin:16px 0}.piece-preview canvas{max-width:200px;max-height:200px;border-radius:var(--radius-sm);border:2px solid var(--bg-surface)}.piece-preview-row{display:flex;gap:12px;justify-content:center;margin:16px 0}.piece-preview-box{display:flex;flex-direction:column;align-items:center;gap:6px}.piece-preview-box canvas{border-radius:var(--radius-sm);border:2px solid var(--bg-surface);background:repeating-conic-gradient(#2a2a3e 0% 25%,#1a1a2e 0% 50%) 50% / 16px 16px}.piece-label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.crop-container{display:flex;justify-content:center;touch-action:none;user-select:none;-webkit-user-select:none}.crop-canvas{border-radius:var(--radius-sm);max-width:100%;height:auto}.processing-container{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px}.progress-bar{width:80%;max-width:300px;height:6px;background:var(--bg-surface);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}.processing-status{font-size:14px;color:var(--text-secondary)}.result-container{flex:1;display:flex;flex-direction:column}.result-master{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;margin:8px 0;flex:1;touch-action:none}.result-master canvas{width:100%;height:auto;display:block}.confidence-bar{display:flex;align-items:center;gap:10px;padding:8px 0}.confidence-bar-track{flex:1;height:8px;background:var(--bg-surface);border-radius:4px;overflow:hidden}.confidence-bar-fill{height:100%;border-radius:4px;transition:width .5s ease}.confidence-label{font-size:13px;font-weight:600;min-width:40px;text-align:right}.result-actions{display:flex;gap:10px;padding:12px 0}.result-actions .btn{flex:1}.bottom-nav{display:flex;border-top:1px solid var(--bg-surface);background:var(--bg-secondary);flex-shrink:0}.nav-item{flex:1;padding:10px;border:none;background:transparent;color:var(--text-secondary);font-size:12px;font-weight:600;text-align:center;cursor:pointer;transition:color .2s}.nav-item.active{color:var(--accent)}.spinner{width:40px;height:40px;border:3px solid var(--bg-surface);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.7}50%{opacity:.3}}.settings-row{display:flex;flex-direction:column;gap:8px;margin:12px 0}.settings-row label{font-size:14px;color:var(--text-secondary)}.settings-row input{padding:12px;border:2px solid var(--bg-surface);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-primary);font-size:14px;outline:none}.settings-row input:focus{border-color:var(--accent)}.model-selector{margin:4px 0 8px}.model-label{font-size:14px;color:var(--text-secondary)}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;cursor:pointer;font-size:15px;color:var(--text-primary)}.toggle-switch{position:relative;width:48px;height:26px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;inset:0;background:var(--bg-surface);border-radius:13px;transition:background .2s}.toggle-slider:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s}.toggle-switch input:checked+.toggle-slider{background:var(--accent)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(22px)}.hidden{display:none!important}.mt-auto{margin-top:auto}.text-center{text-align:center}