.uploader-container{width:100%}.drop-zone{border:2px dashed var(--border-color);border-radius:16px;padding:4rem 2rem;text-align:center;cursor:pointer;transition:all .3s ease;background:var(--bg-secondary);position:relative}.drop-zone:hover{border-color:var(--primary-color);background:#f3f4f6}.drop-zone.drag-over{border-color:var(--primary-color);background:#eef2ff;transform:scale(1.02)}.file-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.upload-icon{width:64px;height:64px;color:var(--primary-color);margin-bottom:.5rem}.drop-zone-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0}.drop-zone-subtitle{font-size:1rem;color:var(--text-secondary);margin:0}.drop-zone-info{font-size:.875rem;color:var(--text-secondary);margin-top:.5rem}.upload-error{display:flex;align-items:center;gap:.75rem;padding:1rem 1.5rem;background:#fef2f2;border:1px solid #fecaca;border-radius:12px;color:var(--error-color);font-size:.95rem;margin-top:1rem}.upload-error .error-icon{width:20px;height:20px;flex-shrink:0}@media(max-width:768px){.drop-zone{padding:3rem 1.5rem}.upload-icon{width:48px;height:48px}.drop-zone-title{font-size:1.25rem}}.image-preview-container{width:100%;display:flex;justify-content:center;align-items:center;background:var(--bg-secondary);border-radius:16px;padding:1.5rem;border:1px solid var(--border-color);overflow:hidden}.preview-image{max-width:100%;max-height:500px;height:auto;border-radius:12px;box-shadow:var(--shadow-md);object-fit:contain}@media(max-width:768px){.image-preview-container{padding:1rem}.preview-image{max-height:400px}}@media(max-width:480px){.preview-image{max-height:300px}}.spinner-container{display:flex;justify-content:center;align-items:center}.spinner{width:50px;height:50px;border:4px solid #e5e7eb;border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.color-picker-container{padding:1.5rem;background:var(--bg-secondary);border-radius:16px;border:1px solid var(--border-color)}.color-picker-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;text-align:center}.preset-colors{display:grid;grid-template-columns:repeat(auto-fill,minmax(50px,1fr));gap:.75rem;margin-bottom:1.5rem}.preset-color-btn{width:50px;height:50px;border-radius:12px;border:3px solid transparent;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);position:relative}.preset-color-btn:hover{transform:scale(1.1);box-shadow:var(--shadow-md)}.preset-color-btn.active{border-color:var(--primary-color);box-shadow:0 0 0 2px var(--bg-primary),0 0 0 4px var(--primary-color);transform:scale(1.05)}.transparent-icon{font-size:1.5rem;color:#666;font-weight:700}.custom-color-section{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.custom-color-toggle{width:100%;padding:.75rem 1rem;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;font-size:.95rem;color:var(--text-primary);transition:all .2s ease;font-weight:500}.custom-color-toggle:hover{background:#f3f4f6;border-color:var(--primary-color)}.custom-color-picker{display:flex;gap:1rem;align-items:center;margin-top:1rem;padding:1rem;background:var(--bg-primary);border-radius:8px;border:1px solid var(--border-color)}.color-input{width:80px;height:50px;border:2px solid var(--border-color);border-radius:8px;cursor:pointer;padding:0;background:none}.color-text-input{flex:1;padding:.75rem;border:1px solid var(--border-color);border-radius:8px;font-size:.95rem;font-family:monospace;color:var(--text-primary)}.color-text-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.selected-color-display{margin-top:1rem;padding:.75rem;background:var(--bg-primary);border-radius:8px;display:flex;align-items:center;gap:.75rem;font-size:.9rem;color:var(--text-secondary)}.color-preview{width:30px;height:30px;border-radius:6px;border:1px solid var(--border-color);display:inline-block}.color-value{font-family:monospace;font-weight:500;color:var(--text-primary)}@media(max-width:768px){.preset-colors{grid-template-columns:repeat(auto-fill,minmax(45px,1fr));gap:.5rem}.preset-color-btn{width:45px;height:45px}.custom-color-picker{flex-direction:column;align-items:stretch}.color-input{width:100%}}.cropper-modal{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.cropper-content{background:var(--bg-primary);border-radius:16px;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-xl);overflow:hidden}.cropper-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--border-color)}.cropper-header h2{margin:0;font-size:1.5rem;color:var(--text-primary)}.close-btn{background:none;border:none;font-size:2rem;color:var(--text-secondary);cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .2s ease}.close-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.preset-selector{padding:1.5rem;border-bottom:1px solid var(--border-color);max-height:300px;overflow-y:auto}.preset-group{margin-bottom:1.5rem}.preset-group:last-child{margin-bottom:0}.preset-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:.75rem;font-size:.95rem}.preset-buttons{display:flex;flex-wrap:wrap;gap:.5rem}.preset-btn{padding:.5rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;font-size:.875rem;color:var(--text-primary);transition:all .2s ease;white-space:nowrap}.preset-btn:hover{background:#f3f4f6;border-color:var(--primary-color)}.preset-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.cropper-container{position:relative;display:flex;align-items:center;justify-content:center;padding:2rem;min-height:400px;max-height:60vh;overflow:auto;background:#1a1a1a;background-image:repeating-conic-gradient(#2a2a2a 0% 25%,#1a1a1a 0% 50%) 50% / 20px 20px}.cropper-image-wrapper{position:relative;display:inline-block}.cropper-image{display:block;-webkit-user-select:none;user-select:none;pointer-events:none}.crop-overlay{position:absolute;border:2px solid var(--primary-color);cursor:move;z-index:10;background:transparent;user-select:none;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none}.crop-handle{position:absolute;width:20px;height:20px;background:var(--primary-color);border:2px solid white;border-radius:50%;z-index:11;user-select:none;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;box-shadow:0 2px 4px #0003;cursor:pointer}.handle-tl{top:-10px;left:-10px;cursor:nwse-resize}.handle-tr{top:-10px;right:-10px;cursor:nesw-resize}.handle-bl{bottom:-10px;left:-10px;cursor:nesw-resize}.handle-br{bottom:-10px;right:-10px;cursor:nwse-resize}.crop-handle:hover,.crop-handle:active{transform:scale(1.2);background:var(--primary-hover)}@media(max-width:768px){.crop-handle{width:24px;height:24px;border-width:3px}.handle-tl{top:-12px;left:-12px}.handle-tr{top:-12px;right:-12px}.handle-bl{bottom:-12px;left:-12px}.handle-br{bottom:-12px;right:-12px}.crop-overlay{border-width:3px}}.crop-darken-top,.crop-darken-bottom,.crop-darken-left,.crop-darken-right{position:absolute;background:#0009;pointer-events:none;z-index:1}.cropper-actions{display:flex;gap:1rem;justify-content:flex-end;padding:1.5rem;border-top:1px solid var(--border-color)}@media(max-width:768px){.cropper-content{max-width:100vw;max-height:100vh;border-radius:0}.preset-selector{max-height:200px}.preset-buttons{gap:.25rem}.preset-btn{padding:.4rem .75rem;font-size:.75rem}.cropper-container{padding:1rem;min-height:300px}}.app-container{width:100%;max-width:1200px;margin:0 auto}.app-content{background:var(--bg-primary);border-radius:24px;box-shadow:var(--shadow-xl);overflow:hidden;width:100%}.app-header{text-align:center;padding:3rem 2rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.app-title{font-size:2.5rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.02em}.app-subtitle{font-size:1.1rem;opacity:.95;font-weight:400}.app-main{padding:2rem}.image-processing-container{display:flex;flex-direction:column;gap:2rem}.color-picker-section{margin-top:1rem}.image-preview-section{display:flex;flex-direction:column;gap:1rem}.section-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);text-align:center}.processing-section{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 2rem;gap:1rem}.processing-text{font-size:1.1rem;color:var(--text-secondary);font-weight:500}.processing-subtext{font-size:.875rem;color:var(--text-secondary);opacity:.7;margin-top:.25rem}.error-message{display:flex;align-items:center;gap:.75rem;padding:1rem 1.5rem;background:#fef2f2;border:1px solid #fecaca;border-radius:12px;color:var(--error-color);font-size:.95rem}.error-icon{width:20px;height:20px;flex-shrink:0}.action-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}.btn{padding:.875rem 2rem;font-size:1rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-width:160px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-success{background:var(--success-color);color:#fff;box-shadow:var(--shadow-md)}.btn-success:hover:not(:disabled){background:#059669;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:#f3f4f6;transform:translateY(-2px)}.app-footer{text-align:center;padding:1.5rem 2rem;background:var(--bg-secondary);color:var(--text-secondary);font-size:.875rem}@media(max-width:768px){.app-header{padding:2rem 1.5rem 1.5rem}.app-title{font-size:2rem}.app-subtitle{font-size:1rem}.app-main{padding:1.5rem}.action-buttons{flex-direction:column}.btn{width:100%}}@media(max-width:480px){.app-title{font-size:1.75rem}.app-main{padding:1rem}.image-processing-container{gap:1.5rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--secondary-color: #8b5cf6;--success-color: #10b981;--error-color: #ef4444;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:var(--text-primary)}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}