:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#fff!important}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;padding-top:60px}#root{width:100%}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}@media(max-width:768px){body{padding-top:80px}}@media(max-width:480px){body{padding-top:70px}}.app-header{background:linear-gradient(135deg,#3b82f6,#2563eb,#1d4ed8);box-shadow:0 4px 20px #3b82f633;position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;border-bottom:1px solid rgba(255,255,255,.1)}.header-container{width:100vw;padding:.75rem 2rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}.header-logo{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:#fff;font-weight:700;font-size:1.1rem;transition:all .3s;flex-shrink:0}.header-logo:hover{transform:translateY(-2px)}.logo-icon{font-size:1.75rem;display:flex;align-items:center;justify-content:center}.logo-text{white-space:nowrap;letter-spacing:-.3px}.header-nav{display:flex;gap:.5rem;flex:1;justify-content:right}.nav-link{padding:.6rem 1.25rem;text-decoration:none;color:#ffffffe6;font-weight:600;font-size:.9rem;border-radius:8px;transition:all .2s;position:relative;white-space:nowrap}.nav-link:hover{background:#ffffff26;color:#fff;transform:translateY(-1px)}.nav-link.active{background:#fff3;color:#fff;box-shadow:0 2px 8px #0000001a}.nav-link.active:after{content:"";position:absolute;bottom:-.5rem;left:50%;transform:translate(-50%);width:4px;height:4px;background:#fff;border-radius:50%}.header-actions{display:flex;gap:.75rem;align-items:center;flex-shrink:0}.github-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;background:#ffffff1a;color:#fff;transition:all .2s;text-decoration:none;border:1px solid rgba(255,255,255,.2)}.github-link:hover{background:#fff3;transform:scale(1.05)}@media(max-width:768px){.header-container{padding:.6rem 1rem;flex-wrap:wrap;gap:.75rem}.logo-text{font-size:.9rem}.logo-icon{font-size:1.4rem}.header-nav{order:3;width:100%;justify-content:flex-start;gap:.5rem;flex:none}.nav-link{padding:.45rem .9rem;font-size:.8rem}.nav-link.active:after{bottom:-.25rem}.header-actions{order:2}.github-link{width:36px;height:36px}}@media(max-width:480px){.header-container{padding:.5rem .75rem}.logo-text{display:none}.nav-link{padding:.4rem .75rem;font-size:.75rem}.github-link{width:32px;height:32px}}.home-container{max-width:1200px;margin:0 auto;padding:2rem;min-height:calc(100vh - 100px);display:flex;flex-direction:column;justify-content:center}.home-hero{text-align:center;margin-bottom:4rem}.home-title{font-size:3.5rem;font-weight:700;background:linear-gradient(135deg,#646cff,#535bf2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem;animation:fadeInDown .8s ease-out;padding:1rem}.home-subtitle{font-size:1.5rem;color:#888;animation:fadeInUp .8s ease-out}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-bottom:3rem}.feature-card{background:#fff;padding:2.5rem;border-radius:16px;border:2px solid transparent;transition:all .3s ease;text-decoration:none;color:inherit;display:flex;flex-direction:column;animation:fadeIn 1s ease-out;box-shadow:0 12px 40px #646cff1a}.feature-card:hover{border-color:#646cff;transform:translateY(-8px);box-shadow:0 12px 40px #646cff4d}.feature-icon{font-size:3rem;font-weight:700;margin-bottom:1.5rem;text-align:center;color:#646cff;background:#646cff1a;width:80px;height:80px;display:flex;align-items:center;justify-content:center;border-radius:16px;margin-left:auto;margin-right:auto;border:2px solid rgba(100,108,255,.3)}.feature-title{font-size:1.8rem;color:#646cff;margin-bottom:1rem;text-align:center}.feature-description{color:#aaa;line-height:1.6;margin-bottom:1.5rem;text-align:center;flex-grow:1}.feature-highlights{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}.highlight-badge{padding:.4rem .8rem;background:#646cff1a;color:#646cff;border-radius:20px;font-size:.85rem;border:1px solid rgba(100,108,255,.3)}.home-footer{text-align:center;color:#666;font-size:1.1rem;margin-top:2rem;animation:fadeIn 1.2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.home-title{font-size:2.5rem}.home-subtitle{font-size:1.2rem}.features-grid{grid-template-columns:1fr}.feature-card{padding:2rem}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.app-container{max-width:800px;margin:1rem auto;padding:20px}.app-header{display:flex;align-items:center;justify-content:center;margin-bottom:1rem}.app-title{font-size:2.5rem;margin:0;color:#646cff}.app-subtitle{color:#888;margin-bottom:2rem}.upload-section{background:#242424;padding:2rem;border-radius:12px;margin-bottom:2rem;border:2px dashed #646cff;transition:all .3s ease}.upload-section:hover{border-color:#535bf2;box-shadow:0 0 20px #646cff4d}.upload-section.dragging{border-color:#535bf2;background:#646cff1a;box-shadow:0 0 30px #646cff80;transform:scale(1.02)}.upload-area{cursor:pointer;padding:2rem;text-align:center;transition:all .3s ease}.upload-icon{font-size:4rem;margin-bottom:1rem}.upload-text{font-size:1.2rem;color:#888;margin-bottom:.5rem}.upload-hint{font-size:.9rem;color:#666}.selected-file{margin-top:1rem;padding:1rem;background:#1a1a1a;border-radius:8px}.preview-container{margin-bottom:1rem;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#0a0a0a;border-radius:8px;padding:1rem;max-height:450px;overflow:hidden;position:relative}.preview-label{font-size:.85rem;color:#888;margin-bottom:.5rem;text-align:center;font-style:italic}.preview-loading{padding:3rem;text-align:center;color:#646cff;font-size:1rem;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.preview-image{max-width:100%;max-height:350px;width:auto;height:auto;object-fit:contain;border-radius:4px;box-shadow:0 4px 12px #0000004d;animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.file-info{display:flex;align-items:center;justify-content:center;gap:1rem;position:relative}.file-name{font-weight:700;color:#646cff}.file-size{color:#888;font-size:.9rem}.remove-file-button{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#f44;color:#fff;border:none;cursor:pointer;font-size:1.2rem;font-weight:700;transition:all .3s ease;padding:0;line-height:1}.remove-file-button:hover{background:red;transform:scale(1.1);box-shadow:0 2px 8px #ff444480}.controls-section{background:#fff;padding:2rem;border-radius:12px;margin-bottom:2rem}.controls-row{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:1.5rem}.control-group{text-align:left}.control-label{display:block;margin-bottom:.75rem;font-weight:600;color:#646cff;font-size:.95rem}.ratio-select{width:100%;padding:.75rem 2.5rem .75rem 1rem;font-size:1rem;border:2px solid #646cff;border-radius:8px;background:transparent;color:#000;cursor:pointer;transition:all .3s ease;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23646cff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}.ratio-select:hover{border-color:#535bf2;background-color:#646cff1a}.ratio-select:focus{outline:none;border-color:#535bf2;box-shadow:0 0 0 3px #646cff33}.ratio-select option{background:#242424;color:#fff;padding:.5rem}.color-input-wrapper{display:flex;align-items:center;gap:1rem}.color-input{width:60px;height:50px;border:2px solid #646cff;border-radius:8px;cursor:pointer;background:transparent;transition:all .3s ease}.color-input:hover{border-color:#535bf2;transform:scale(1.05)}.color-hex{font-family:monospace;font-size:1rem;color:#888;font-weight:600}.process-button{width:100%;padding:1rem 2rem;font-size:1.2rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#646cff,#535bf2);border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.process-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 20px #646cff66}.process-button:disabled{opacity:.5;cursor:not-allowed}.progress-section{background:#242424;padding:2rem;border-radius:12px;margin-bottom:2rem}.progress-text{margin-bottom:1rem;font-size:1.1rem}.progress-bar-container{width:100%;height:30px;background:#1a1a1a;border-radius:15px;overflow:hidden;position:relative}.progress-bar{height:100%;background:linear-gradient(90deg,#646cff,#535bf2);transition:width .3s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}.progress-percentage{position:absolute;width:100%;text-align:center;line-height:30px;font-weight:700;color:#fff;z-index:1}.result-section{background:#242424;padding:2rem;border-radius:12px}.result-title{font-size:1.5rem;color:#646cff;margin-bottom:1rem}.result-image{max-width:100%;border-radius:8px;margin-bottom:1rem;box-shadow:0 5px 20px #0000004d}.result-metadata{text-align:left;background:#1a1a1a;padding:1rem;border-radius:8px;margin-bottom:1rem}.metadata-item{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid #333}.metadata-item:last-child{border-bottom:none}.metadata-label{color:#888}.metadata-value{color:#646cff;font-weight:700}.download-button{width:100%;padding:1rem 2rem;font-size:1.2rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#4caf50,#45a049);border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;margin-bottom:.5rem}.download-button:hover{transform:translateY(-2px);box-shadow:0 5px 20px #4caf5066}.reset-button{width:100%;padding:.75rem 2rem;font-size:1rem;color:#fff;background:#888;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.reset-button:hover{background:#666}.error-section{background:#f44;color:#fff;padding:1rem;border-radius:8px;margin-bottom:2rem}.error-title{font-weight:700;margin-bottom:.5rem}.files-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-top:1rem}.file-card{background:#1a1a1a;border-radius:8px;overflow:hidden;position:relative;transition:all .3s ease}.file-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #646cff4d}.file-preview{width:100%;height:150px;display:flex;align-items:center;justify-content:center;overflow:hidden}.file-preview img{max-width:100%;max-height:100%;object-fit:contain}.file-preview-loading{width:100%;height:150px;display:flex;align-items:center;justify-content:center;color:#646cff;animation:pulse 1.5s ease-in-out infinite}.file-card-info{padding:.75rem}.file-card-name{font-size:.9rem;color:#646cff;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:.25rem}.file-card-size{font-size:.8rem;color:#888}.file-card-remove{position:absolute;top:.5rem;right:.5rem;width:24px;height:24px;min-width:24px;min-height:24px;border-radius:50%;background:#f44;color:#fff;border:none;cursor:pointer;font-size:1rem;font-weight:700;line-height:1;padding:0;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s ease;opacity:.8}.file-card-remove:hover{opacity:1;transform:scale(1.1)}.processing-section{background:#242424;padding:2rem;border-radius:12px;margin-bottom:2rem}.processing-section h3{color:#646cff;margin-bottom:1.5rem;text-align:center}.processing-item{margin-bottom:1.5rem}.processing-filename{font-size:.9rem;color:#888;margin-bottom:.5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress-bar.error{background:#f44}.results-section{background:#242424;padding:2rem;border-radius:12px}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.results-actions{display:flex;gap:.5rem;flex-wrap:wrap}.download-all-button{padding:.75rem 1.5rem;font-size:1rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#4caf50,#45a049);border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.download-all-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #4caf5066}.download-all-button:disabled{opacity:.5;cursor:not-allowed}.clear-all-button{padding:.75rem 1.5rem;font-size:1rem;font-weight:700;color:#fff;background:#f44;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.clear-all-button:hover{background:red;transform:translateY(-2px);box-shadow:0 4px 12px #f446}.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.result-card{background:#1a1a1a;border-radius:8px;overflow:hidden;transition:all .3s ease}.result-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #646cff4d}.result-card.error{border:2px solid #ff4444}.result-image-container{width:100%;height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden}.result-card-image{max-width:100%;max-height:100%;object-fit:contain}.result-loading{color:#646cff;font-size:.9rem;animation:pulse 1.5s ease-in-out infinite}.result-card-info{padding:1rem}.result-card-name{font-size:.9rem;color:#646cff;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:.5rem}.result-card-meta{font-size:.8rem;color:#888;margin-bottom:.25rem}.result-card-expires{font-size:.75rem;color:orange;font-style:italic;margin-top:.25rem}.result-download-button{width:100%;padding:.75rem;font-size:.9rem;font-weight:700;color:#fff;background:#646cff;border:none;border-radius:0;cursor:pointer;transition:all .3s ease}.result-download-button:hover{background:#535bf2}.result-card-error{padding:2rem;text-align:center}.error-icon{font-size:3rem;margin-bottom:1rem}.result-card-error-msg{font-size:.85rem;color:#f44;margin-top:.5rem}@media(max-width:768px){.app-title{font-size:2rem}.controls-row{grid-template-columns:1fr;gap:1.5rem}.files-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.results-header{flex-direction:column;align-items:stretch}.results-actions{flex-direction:column}.results-grid{grid-template-columns:1fr}}.layout-container{width:90vw;max-width:1400px;height:calc(90vh - 80px);margin:1rem auto;background:#f7f9fc;border-radius:20px;box-shadow:0 10px 40px #3b82f626;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;display:flex;flex-direction:column;overflow:hidden}.layout-header{padding:1.5rem 2rem;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:20px 20px 0 0}.layout-header-center{text-align:center}.layout-title{font-size:1.4rem;font-weight:700;margin:0;color:#fff;letter-spacing:-.5px}.layout-subtitle{font-size:.8rem;color:#ffffffd9;margin:.3rem 0 0}.error-section{position:fixed;top:10vh;left:50%;transform:translate(-50%);background:#fff;border:2px solid #ef4444;border-radius:12px;padding:0;box-shadow:0 8px 30px #ef44444d;z-index:1000;max-width:500px;width:90%;animation:slideDown .3s ease-out}@keyframes slideDown{0%{transform:translate(-50%) translateY(-20px);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}.error-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:linear-gradient(135deg,#fee2e2,#fecaca);border-radius:10px 10px 0 0}.error-title{font-weight:700;color:#dc2626;font-size:1rem;margin:0}.error-close{background:none;border:none;color:#dc2626;font-size:1.25rem;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s;font-weight:700}.error-close:hover{background:#dc26261a;transform:scale(1.1)}.error-message{padding:1rem 1.5rem;color:#1e293b;line-height:1.5;font-size:.9rem;white-space:pre-line}.layout-content{flex:1;display:grid;grid-template-columns:1fr 1.2fr;gap:0;overflow:hidden;min-height:0}.layout-controls-section{padding:1rem;overflow-y:auto;background:#fff;border-right:1px solid #e5e7eb;display:flex;flex-direction:column;gap:.75rem}.layout-controls-section::-webkit-scrollbar{width:5px}.layout-controls-section::-webkit-scrollbar-track{background:transparent}.layout-controls-section::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.control-group{background:#f7f9fc;padding:.75rem;border-radius:12px;border:1px solid #e5e7eb}.control-label{font-weight:700;font-size:.75rem;color:#1e293b;margin-bottom:.5rem;display:block;text-transform:uppercase;letter-spacing:.5px}.layout-buttons{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.layout-button{padding:.6rem .4rem;background:#fff;border:2px solid #e5e7eb;border-radius:8px;font-size:.75rem;font-weight:600;color:#1e293b;cursor:pointer;transition:all .2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.layout-button:hover{border-color:#3b82f6;background:#eff6ff;transform:translateY(-1px)}.layout-button.active{background:#3b82f6;color:#fff;border-color:#3b82f6;box-shadow:0 4px 12px #3b82f64d}.upload-section{border:2px dashed #cbd5e1;border-radius:12px;padding:.6rem;transition:all .3s;background:#fff}.upload-section.dragging{border-color:#3b82f6;background:#eff6ff}.upload-area{text-align:center;cursor:pointer;padding:.75rem;background:#f7f9fc;border-radius:8px;transition:all .2s}.upload-area:hover{background:#eff6ff}.upload-icon{font-size:2rem;margin-bottom:.3rem}.upload-text{font-size:.85rem;font-weight:700;color:#1e293b;margin-bottom:.2rem}.upload-hint{font-size:.7rem;color:#64748b;font-weight:500}.file-input{display:none}.files-list{margin-top:.5rem;display:flex;flex-direction:column;gap:.4rem;max-height:150px;overflow-y:auto}.files-list::-webkit-scrollbar{width:4px}.files-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:2px}.file-item{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:.5rem}.file-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem}.file-item-name{font-size:.75rem;font-weight:600;color:#1e293b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.file-item-remove{background:none;border:none;font-size:.9rem;color:#94a3b8;cursor:pointer;padding:0 .4rem;transition:all .2s}.file-item-remove:hover{color:#ef4444;transform:scale(1.2)}.file-item-controls{display:flex;align-items:center;gap:.4rem}.zoom-label{font-size:.7rem;color:#1e293b;min-width:50px;font-weight:600}.zoom-slider{flex:1;height:4px;border-radius:2px;background:#e5e7eb;outline:none;-webkit-appearance:none}.zoom-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:#3b82f6;cursor:pointer;box-shadow:0 2px 4px #3b82f64d}.zoom-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#3b82f6;cursor:pointer;border:none;box-shadow:0 2px 4px #3b82f64d}.ratio-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:.4rem}.ratio-button{padding:.5rem .3rem;background:#fff;border:2px solid #e5e7eb;border-radius:8px;font-size:.7rem;font-weight:600;color:#1e293b;cursor:pointer;transition:all .2s;white-space:nowrap}.ratio-button:hover{border-color:#3b82f6;background:#eff6ff;transform:translateY(-1px)}.ratio-button.active{background:#3b82f6;color:#fff;border-color:#3b82f6;box-shadow:0 2px 8px #3b82f64d}.color-input-wrapper{display:flex;align-items:center;gap:.6rem;background:#fff;border:2px solid #e5e7eb;border-radius:8px;padding:.4rem .6rem;transition:all .2s}.color-input-wrapper:hover{border-color:#3b82f6}.color-input{width:40px;height:30px;border:2px solid #e5e7eb;border-radius:6px;cursor:pointer}.color-hex{font-family:Courier New,monospace;font-weight:700;color:#1e293b;font-size:.8rem}.action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.download-button,.reset-button{padding:.7rem .8rem;border:none;border-radius:8px;font-size:.8rem;font-weight:700;cursor:pointer;transition:all .2s}.download-button{background:#3b82f6;color:#fff;box-shadow:0 4px 12px #3b82f64d}.download-button:hover:not(:disabled){background:#2563eb;transform:translateY(-2px);box-shadow:0 6px 20px #3b82f666}.download-button:disabled{background:#cbd5e1;cursor:not-allowed;box-shadow:none}.reset-button{background:#fff;color:#1e293b;border:2px solid #e5e7eb;font-weight:700}.reset-button:hover{border-color:#ef4444;color:#ef4444;background:#fef2f2;transform:translateY(-2px)}.layout-preview-section{display:flex;flex-direction:column;background:#f7f9fc;overflow:hidden;min-height:0}.preview-title{font-size:.8rem;font-weight:700;margin:0;padding:.75rem 1rem;color:#1e293b;background:#fff;border-bottom:1px solid #e5e7eb;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}.preview-container{flex:1;display:flex;justify-content:center;align-items:center;padding:1.5rem;overflow:auto;min-height:0}.preview-container::-webkit-scrollbar{width:6px;height:6px}.preview-container::-webkit-scrollbar-track{background:transparent}.preview-container::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.preview-image{max-width:100%;max-height:100%;border-radius:12px;box-shadow:0 8px 32px #3b82f626;object-fit:contain}.preview-placeholder{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;background:#fff;border:2px dashed #cbd5e1;border-radius:16px}.preview-placeholder-icon{font-size:4rem;margin-bottom:.75rem;opacity:.2}.preview-placeholder-text{font-size:.9rem;color:#64748b;text-align:center;font-weight:600}@media(max-width:1200px){.layout-container{width:95vw;height:calc(90vh - 80px)}.layout-content{grid-template-columns:1fr 1fr}}@media(max-width:1024px){.layout-container{width:95vw;height:calc(90vh - 80px);margin:1vh auto}.layout-header{padding:2rem 1rem}.layout-title{font-size:1.1rem}.layout-subtitle{font-size:.7rem}.layout-content{grid-template-columns:1fr;grid-template-rows:35vh 1fr}.layout-preview-section{order:-1}.layout-buttons{grid-template-columns:repeat(2,1fr)}.ratio-buttons{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.layout-container{width:98vw;height:calc(100vh - 100px);margin:.5rem auto;border-radius:12px}.layout-header{padding:1rem}.layout-header-center{width:100%}.layout-title{font-size:1.1rem}.layout-subtitle{font-size:.7rem}.layout-controls-section{padding:.75rem}.control-group{padding:.6rem}.control-label{font-size:.7rem}.layout-buttons,.ratio-buttons{grid-template-columns:repeat(2,1fr)}.layout-button,.ratio-button{font-size:.65rem;padding:.4rem .2rem}.action-buttons{grid-template-columns:1fr}.files-list{max-height:100px}}.processing-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.processing-modal{background:#fff;border-radius:20px;padding:3rem 2.5rem;max-width:450px;width:90%;box-shadow:0 20px 60px #0000004d;text-align:center;animation:slideUp .4s ease-out}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.processing-icon{font-size:4rem;margin-bottom:1.5rem;animation:rotate 2s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.processing-title{font-size:1.5rem;font-weight:700;color:#1e293b;margin:0 0 1rem}.processing-stage{font-size:1rem;color:#3b82f6;font-weight:600;margin-bottom:1.5rem;min-height:24px}.progress-bar-container{width:100%;height:12px;background:#e5e7eb;border-radius:10px;overflow:hidden;margin-bottom:1rem;box-shadow:inset 0 2px 4px #0000001a}.progress-bar-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#1d4ed8);border-radius:10px;transition:width .3s ease-out;box-shadow:0 0 10px #3b82f680}.progress-percentage{font-size:1.25rem;font-weight:700;color:#1e293b;margin-bottom:1rem}.processing-file-info{font-size:.9rem;color:#64748b;margin-bottom:1rem;font-weight:500}.processing-hint{font-size:.85rem;color:#94a3b8;font-style:italic}