.file-upload-container{border-radius:20px;padding:2.5rem;text-align:center;cursor:pointer;transition:all .2s ease-in-out;box-shadow:inset 7px 7px 14px #bebebe,inset -7px -7px 14px #fff}.file-upload-container:hover{background:#d4d4d4}.file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.file-label{display:block;color:#5a5a5a;font-weight:500;line-height:1.4}.file-list-ul{list-style:none;padding:0 10px 0 0;margin-top:1rem;max-height:260px;overflow-y:auto}.file-list-item{display:flex;justify-content:space-between;align-items:center;padding:.7rem;border-radius:12px;margin-bottom:.75rem;font-size:.9rem;text-align:left;background:#e0e0e0;box-shadow:5px 5px 10px #bebebe,-5px -5px 10px #fff}.file-details{display:flex;flex-direction:column;min-width:0;text-align:left;flex:1;margin:0 .75rem}.file-name{color:#5a5a5a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{margin-top:.2rem;color:#777;font-size:.75rem}.remove-file-button{height:30px;width:30px;border-radius:50%;background:#e0e0e0;border:none;display:flex;align-items:center;justify-content:center;color:#9a9a9a;font-size:1.2rem;font-weight:700;cursor:pointer;line-height:1;transition:all .2s ease-in-out;flex:0 0 30px;box-shadow:inset 3px 3px 6px #bebebe,inset -3px -3px 6px #fff}.remove-file-button:hover{color:#e66;box-shadow:inset 4px 4px 8px #bebebe,inset -4px -4px 8px #fff}.file-preview{position:relative;display:grid;place-items:center;flex:0 0 72px;width:72px;height:88px;overflow:hidden;border-radius:9px;background:#d7d7d7;box-shadow:inset 3px 3px 6px #bebebe,inset -3px -3px 6px #fff}.file-preview canvas,.file-preview img{display:block;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .2s ease}.file-preview canvas.visible,.file-preview img.visible{opacity:1}.preview-placeholder{position:absolute;color:#777;font-size:.68rem;font-weight:700;letter-spacing:.06em}.page-selector{margin-top:1.5rem;padding:1rem;border-radius:18px;box-shadow:inset 5px 5px 10px var(--dark-shadow),inset -5px -5px 10px var(--light-shadow)}.page-selector-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;text-align:left}.page-selector-header h3{margin:0;color:var(--text-color);font-size:1rem}.page-selector-header p{margin:.25rem 0 0;color:var(--text-color);opacity:.75;font-size:.82rem}.page-selector-actions{display:flex;gap:.5rem}.page-selector-actions button{padding:.55rem .7rem;color:var(--primary-color);font-size:.75rem}.page-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:.9rem;max-height:390px;padding:.35rem;overflow-y:auto}.page-thumbnail{display:flex;flex-direction:column;align-items:stretch;min-width:0;padding:.55rem;color:var(--text-color);background:var(--background-color)}.page-thumbnail.selected{color:var(--primary-color);outline:2px solid var(--primary-color);outline-offset:-2px}.page-canvas-wrap{position:relative;display:grid;place-items:center;min-height:128px;overflow:hidden;border-radius:7px;background:#d4d4d4}.page-canvas-wrap canvas{display:block;width:100%;height:128px;object-fit:contain;opacity:0}.page-canvas-wrap canvas.visible{opacity:1}.page-loading{position:absolute;color:#777;font-size:.72rem}.page-check{position:absolute;top:.4rem;right:.4rem;display:grid;place-items:center;width:23px;height:23px;border-radius:50%;color:#fff;background:var(--primary-color);box-shadow:0 2px 5px #0003}.page-check:empty{display:none}.page-number{margin-top:.55rem;font-size:.78rem}.page-selector-status{margin:1.5rem 0 0;color:var(--text-color);font-size:.9rem}.page-selector-status.error{color:#b23a3a}@media (max-width: 520px){.page-selector-header{align-items:flex-start;flex-direction:column}.page-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}:root{--background-color: #e0e0e0;--light-shadow: #ffffff;--dark-shadow: #bebebe;--text-color: #5a5a5a;--primary-color: #007bff}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--background-color);margin:0;display:flex;justify-content:center;align-items:center;min-height:100vh}.app-container{width:100%;max-width:640px;padding:2.5rem;border-radius:30px;background:var(--background-color);box-shadow:10px 10px 20px var(--dark-shadow),-10px -10px 20px var(--light-shadow);text-align:center}.app-header h1{margin:0;color:var(--text-color);font-size:2rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px}.app-header p{color:var(--text-color);opacity:.8;margin:.5rem 0 1.5rem}.mode-switcher{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;padding:.4rem;margin-bottom:1.75rem;border-radius:16px;box-shadow:inset 5px 5px 10px var(--dark-shadow),inset -5px -5px 10px var(--light-shadow)}.mode-button{padding:.75rem;color:var(--text-color);box-shadow:none;white-space:nowrap}.mode-button:hover{box-shadow:none}.mode-button.active{color:var(--primary-color);background:var(--background-color);box-shadow:4px 4px 8px var(--dark-shadow),-4px -4px 8px var(--light-shadow)}.tool-description{margin-bottom:1.25rem}.tool-description h2{margin:0 0 .4rem;color:var(--text-color);font-size:1.15rem}.tool-description p,.file-list-container>p{margin:0;color:var(--text-color);opacity:.75;font-size:.9rem;line-height:1.45}.file-list-container{margin-top:1.5rem}.file-list-container h2{font-size:1rem;color:var(--text-color);margin-bottom:.5rem;font-weight:500}button,.download-button{border-radius:12px;border:none;cursor:pointer;font-weight:700;transition:all .2s ease-in-out;background:var(--background-color);box-shadow:6px 6px 12px var(--dark-shadow),-6px -6px 12px var(--light-shadow)}button:hover,.download-button:hover{box-shadow:4px 4px 8px var(--dark-shadow),-4px -4px 8px var(--light-shadow)}button:active,.download-button:active{box-shadow:inset 6px 6px 12px var(--dark-shadow),inset -6px -6px 12px var(--light-shadow);color:#333}button:disabled{opacity:.5;cursor:not-allowed;box-shadow:inset 4px 4px 8px var(--dark-shadow),inset -4px -4px 8px var(--light-shadow)}.primary-action-button{width:100%;padding:1rem;font-size:1rem;color:var(--primary-color);margin-top:1.5rem}.download-container{padding:1rem;text-align:center}.download-container h2{color:var(--text-color);font-weight:500;font-size:1.25rem}.compression-result{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;margin-top:1.5rem;color:var(--text-color)}.compression-result div{display:flex;flex-direction:column;gap:.3rem}.compression-result span{font-size:.8rem;opacity:.7}.compression-result strong{font-size:1rem}.compression-result .result-arrow{font-size:1.25rem;color:var(--primary-color);opacity:1}.compression-result p{grid-column:1 / -1;margin:.75rem 0 0;font-size:.9rem;line-height:1.45}.extract-result{margin:1.25rem 0 0;color:var(--text-color);line-height:1.5}.download-actions{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1.5rem}.download-button{display:inline-block;padding:1rem 1.5rem;font-size:1rem;color:#28a745;text-decoration:none}.start-over-button{padding:1rem 1.2rem;font-size:1rem;color:var(--text-color)}@media (max-width: 620px){body{align-items:flex-start}.app-container{box-sizing:border-box;margin:1rem;padding:1.5rem;border-radius:22px}.mode-switcher{gap:.25rem}.mode-button{padding:.7rem .35rem;font-size:.78rem}.download-actions{flex-direction:column}.download-button,.start-over-button{box-sizing:border-box;width:100%}}