.uploader-container{background:#fff;border-radius:16px;box-shadow:0 10px 40px #0003;padding:40px;max-width:700px;width:100%}.upload-area{border:3px dashed #cbd5e0;border-radius:12px;padding:60px 40px;text-align:center;transition:all .3s ease;cursor:pointer;position:relative;background:#f7fafc}.upload-area:hover{border-color:#667eea;background:#edf2f7}.upload-area.dragging{border-color:#667eea;background:#e6f2ff;transform:scale(1.02)}.upload-icon{margin-bottom:20px;display:flex;justify-content:center;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.upload-area h2{color:#2d3748;font-size:1.8rem;margin-bottom:10px;font-weight:600}.upload-area p{color:#718096;font-size:1rem;margin-bottom:8px}.supported-formats{font-size:.9rem!important;color:#a0aec0!important;margin-top:15px!important}.file-input{display:none}.browse-button{display:inline-block;margin-top:20px;padding:14px 32px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.browse-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.instructions{margin-top:40px;padding:30px;background:#f7fafc;border-radius:12px;border-left:4px solid #667eea}.instructions h3{color:#2d3748;font-size:1.3rem;margin-bottom:15px;font-weight:600}.instructions ol{list-style-position:inside;color:#4a5568;line-height:2}.instructions li{margin-bottom:8px;font-size:1rem}@media (max-width: 768px){.uploader-container{padding:30px 20px}.upload-area{padding:40px 20px}.upload-area h2{font-size:1.5rem}.instructions{padding:20px}}@media (max-width: 480px){.upload-area h2{font-size:1.3rem}.upload-area p{font-size:.9rem}.browse-button{padding:12px 24px;font-size:.95rem}.instructions h3{font-size:1.1rem}.instructions li{font-size:.9rem}}.preview-container{margin-bottom:30px}.preview-container h2{color:#2d3748;font-size:1.5rem;margin-bottom:20px;font-weight:600}.preview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.preview-card{border:2px solid #e2e8f0;border-radius:12px;overflow:hidden;background:#fff;transition:all .3s ease}.preview-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.preview-label{background:#667eea;color:#fff;padding:10px;font-weight:600;text-align:center;font-size:.95rem;text-transform:uppercase;letter-spacing:.5px}.preview-label.compressed{background:#48bb78}.image-wrapper{width:100%;height:250px;display:flex;align-items:center;justify-content:center;background:#f7fafc;overflow:hidden}.image-wrapper img{max-width:100%;max-height:100%;object-fit:contain}.placeholder-content{flex-direction:column;gap:15px}.placeholder-content p{color:#a0aec0;font-size:.9rem;text-align:center}.image-info{padding:15px;background:#f7fafc;border-top:1px solid #e2e8f0}.info-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.9rem}.info-item:last-child{margin-bottom:0}.info-label{color:#718096;font-weight:500}.info-value{color:#2d3748;font-weight:600;max-width:60%;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.info-value.success{color:#48bb78;font-size:1.1rem}.compression-ratio{margin-top:10px;padding-top:10px;border-top:1px solid #e2e8f0}@media (max-width: 768px){.preview-grid{grid-template-columns:1fr}.image-wrapper{height:200px}.preview-container h2{font-size:1.3rem}}@media (max-width: 480px){.preview-container h2{font-size:1.2rem}.image-wrapper{height:180px}.info-item,.preview-label{font-size:.85rem}}.controls-container{border-top:2px solid #e2e8f0;padding-top:30px}.size-control{margin-bottom:30px}.size-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.size-header h3{color:#2d3748;font-size:1.3rem;font-weight:600}.size-display{display:flex;align-items:baseline;gap:5px;padding:8px 16px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;color:#fff}.size-value{font-size:1.5rem;font-weight:700}.size-unit{font-size:1rem;opacity:.9}.slider-container{margin-bottom:20px}.slider{width:100%;height:8px;border-radius:5px;background:#e2e8f0;outline:none;-webkit-appearance:none;margin:10px 0}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);cursor:pointer;box-shadow:0 2px 8px #667eea66;transition:all .3s ease}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 4px 12px #667eea99}.slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);cursor:pointer;border:none;box-shadow:0 2px 8px #667eea66;transition:all .3s ease}.slider::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:0 4px 12px #667eea99}.slider:disabled{opacity:.5;cursor:not-allowed}.slider-labels{display:flex;justify-content:space-between;font-size:.85rem;color:#718096;margin-top:5px}.size-comparison{background:#f7fafc;border-radius:8px;padding:15px;border-left:4px solid #667eea}.comparison-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.comparison-item:last-child{margin-bottom:0}.comparison-label{color:#718096;font-weight:500;font-size:.95rem}.comparison-value{color:#2d3748;font-weight:700;font-size:1.1rem}.comparison-value.success{color:#48bb78}.action-buttons{display:flex;gap:15px;justify-content:center}.action-buttons-group{display:flex;gap:15px;width:100%}.compress-button,.download-button,.reset-button{padding:16px 40px;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:10px;justify-content:center}.compress-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;flex:1;box-shadow:0 4px 15px #667eea66}.compress-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.compress-button:disabled{opacity:.7;cursor:not-allowed}.download-button{background:#48bb78;color:#fff;flex:1;box-shadow:0 4px 15px #48bb7866}.download-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #48bb7899}.reset-button{background:#e2e8f0;color:#2d3748;flex:1}.reset-button:hover{background:#cbd5e0;transform:translateY(-2px)}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.size-header{flex-direction:column;gap:15px;align-items:flex-start}.size-display{align-self:flex-end}.action-buttons-group{flex-direction:column}.compress-button,.download-button,.reset-button{width:100%;padding:14px 30px;font-size:1rem}}@media (max-width: 480px){.size-header h3{font-size:1.1rem}.size-value{font-size:1.3rem}.comparison-label,.comparison-value{font-size:.9rem}}.app{display:flex;flex-direction:column;min-height:100vh}.header{text-align:center;color:#fff;margin-bottom:40px;padding:20px}.logo{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:10px}.logo h1{font-size:2.5rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.tagline{font-size:1.1rem;opacity:.95;font-weight:300}.main-content{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:20px}.compression-workspace{background:#fff;border-radius:16px;box-shadow:0 10px 40px #0003;padding:30px;width:100%;max-width:900px}.footer{text-align:center;color:#fff;padding:20px;margin-top:40px;opacity:.9}@media (max-width: 768px){.logo h1{font-size:2rem}.tagline{font-size:1rem}.compression-workspace{padding:20px}.main-content{padding:10px}}@media (max-width: 480px){.logo{flex-direction:column;gap:10px}.logo h1{font-size:1.8rem}.tagline{font-size:.9rem}}*{margin:0;padding:0;box-sizing:border-box}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;padding:20px}#root{width:100%;max-width:1200px;margin:0 auto}