@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary-color: #4f46e5;--secondary-color: #6b7280;--background-color: #f9fafb;--surface-color: #18181b;--border-color: #6c6c6c;--text-primary: #111827;--text-secondary: #b2bcd1;--primary-dark: #4338ca;--accent-gradient: linear-gradient(90deg, var(--primary-color), #6c4cff, #9170ff);--radius: .75rem;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--anchor-color: #6b7280}body{font-family:Inter,sans-serif;background-color:var(--background-color);color:var(--text-primary);margin:0;display:flex;flex-direction:column;align-items:center;min-height:100vh}h1{font-size:2.25rem;font-weight:700;margin-top:1rem;margin-bottom:1.5rem;text-align:center;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}a{color:var(--anchor-color);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-color)}#drop-zone{border:2px dashed var(--border-color);border-radius:var(--radius);padding:2rem;text-align:center;cursor:pointer;transition:background-color .2s,border-color .2s}#drop-zone p{margin:0;font-size:1rem;color:var(--text-secondary)}#drop-zone:hover,#drop-zone.dragover{background-color:#f0f3ff;border-color:var(--primary-color)}#drop-zone.disabled{cursor:not-allowed;background-color:#f9fafb;border-color:#e5e7eb}#drop-zone.disabled p{color:#d1d5db}.form-section{margin-top:1.5rem}.form-section p{font-weight:500;margin-bottom:.75rem}.radio-group{display:flex;flex-wrap:wrap;gap:.75rem}.radio-group label{display:inline-block;cursor:pointer}.radio-group input[type=radio]+span{padding:.4rem 1rem;border-color:var(--primary-color);border-radius:3000px;transition:background-color .2s,color .2s,border-color .2s}.radio-group input[type=radio]:checked+span{background-color:var(--primary-color);color:#fff}.radio-group label:hover span{background-color:#f0f3ff;border-color:var(--primary-color)}.image-format-form{background:#f0f5ff;padding:1rem;border-radius:15px}.image-format-form p{margin:0 0 1rem}.quality-slider{margin-top:1rem;background:#f0f5ff;padding:1rem;border-radius:15px}.quality-slider label{font-weight:500;margin-bottom:.5rem;display:block}.resize-option{background:#f0f5ff;padding:1rem;border-radius:15px}input[type=range]{width:100%;accent-color:var(--primary-color)}.button-group{margin-top:2rem;display:flex;gap:1rem}button{padding:.75rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s}#convert-btn,#download-zip-btn{background-color:var(--primary-color);color:#fff}#convert-btn:hover,#download-zip-btn:hover{background-color:#4338ca}#convert-btn:disabled{background-color:#9ca3af;cursor:not-allowed;opacity:.7}#convert-btn:disabled:hover{background-color:#9ca3af}#reset-btn{background-color:var(--surface-color);color:var(--text-secondary);border:1px solid var(--border-color)}#reset-btn:hover{background-color:#f3f4f6}#preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.5rem;width:100%;max-width:800px}.image-container{background-color:var(--surface-color);border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem;text-align:center;overflow:hidden;position:relative}.image-container img{width:100%;object-fit:cover;border-radius:calc(var(--radius) - .25rem);margin-bottom:.1rem;background:linear-gradient(135deg,#f5f5f5,#ddd);transition:transform .3s ease;aspect-ratio:4 / 3}.image-container.converted img{cursor:pointer}.image-container.converted img:hover{transform:scale(1.05)}.image-container .info{font-size:.675rem;color:var(--text-secondary);margin-bottom:.5rem;white-space:pre-line;text-align:left}.image-container progress{-webkit-appearance:none;appearance:none;width:100%;height:8px;border:none;border-radius:10px;background-color:#e9e9e9;overflow:hidden}.image-container progress::-webkit-progress-bar{background-color:#e9e9e9;border-radius:10px}.image-container progress::-webkit-progress-value{background:linear-gradient(to right,#8a2be2,#4f46e5);border-radius:10px;transition:width .3s ease}.image-container progress::-moz-progress-bar{background:linear-gradient(to right,#8a2be2,#4f46e5);border-radius:10px;transition:width .3s ease}.image-container a{display:inline-block;margin-top:.75rem;font-size:.875rem;color:#fff;background:var(--primary-color);text-decoration:none;font-weight:500;border-radius:5px;padding:.3rem .7rem}.app{display:flex;flex-direction:row;justify-content:center;align-items:flex-start;width:1366px;max-width:100%;height:100%;gap:2rem;padding:2rem 1rem;box-sizing:border-box}.left-content{flex:0 0 470px;background:var(--surface-color);padding:1rem 2rem;border-radius:15px;box-shadow:var(--shadow);height:100%;position:sticky;top:2rem;word-break:keep-all}.right-content{flex:1;height:100%}.text-center{text-align:center!important}#loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:transparent;display:none;justify-content:center;align-items:center;z-index:9999}.progress-bar-container{width:300px;height:30px;background-color:#f3f3f3;border-radius:5px;overflow:hidden}#progress-bar{width:0%;height:100%;background:repeating-linear-gradient(-45deg,var(--primary-color),var(--primary-color) 10px,#4338ca 10px,#4338ca 20px);background-size:200% 200%;animation:progress-animation 2s linear infinite;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:500;transition:width .1s linear}.privacy{margin-top:1rem;text-align:right;padding:.4rem}.privacy a{color:var(--primary-color);font-size:.755rem;text-decoration:none;color:var(--text-secondary)}.etc{text-align:right;margin-top:.5rem;padding:.4rem;font-size:.755rem}.etc img{display:inline-block;width:17px;transform:translateY(4px)}.faqsection{padding:1rem;background:#fff;text-align:left}.faqsection ul{list-style:none;padding-left:0;font-size:.855rem}.faqsection ul li{margin-bottom:.6rem}.faqsection ul li span{font-weight:600}.faqsection ol{padding-left:20px;margin-bottom:2rem}.faqsection ol li{margin-bottom:.6rem}footer{font-size:.7rem;color:var(--serface-color);background:#18181b;width:100%;text-align:center;padding:.4rem 0;margin-top:3rem}footer p{margin:0}@keyframes progress-animation{0%{background-position:0% 50%}to{background-position:200% 50%}}.uploaded-image{background:var(--surface-color);padding:2rem;border-radius:15px;box-shadow:var(--shadow)}.empty-preview-placeholder{display:flex;flex-direction:column;justify-content:center;align-items:center;border:2px dashed var(--border-color);border-radius:var(--radius);padding:4rem 2rem;text-align:center;color:var(--text-secondary)}.empty-preview-placeholder svg{width:48px;height:48px;margin-bottom:1rem}@media (max-width: 1024px){.app{flex-direction:column;align-items:stretch}.left-content,.right-content{flex:1 0 100%;max-width:100%}.left-content{margin-bottom:2rem;position:static}#preview{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}}@media (max-width: 768px){#preview{grid-template-columns:repeat(2,1fr);gap:1rem}button,input[type=range],input[type=number]{min-width:44px;min-height:44px;font-size:1rem;padding:.5rem 1rem;border-radius:.5rem;box-sizing:border-box;max-width:100%}.button-group{gap:1rem}}.spinner{border:4px solid rgba(0,0,0,.1);border-left:4px solid var(--primary-color);border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite;position:absolute;top:calc(50% - 25px);left:43%;transform:translate(-50%,-50%);z-index:1}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner-btn{display:inline-block;border:3px solid rgba(255,255,255,.3);border-left:3px solid white;border-radius:50%;width:16px;height:16px;animation:spin 1s linear infinite;margin-left:8px;vertical-align:middle}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(5px)}.modal-content{background:var(--surface-color);border-radius:var(--radius);box-shadow:var(--shadow);max-width:95vw;max-height:95vh;width:90vw;height:85vh;overflow:hidden;position:relative;display:flex;flex-direction:column}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color)}.modal-header h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s}.modal-close:hover{background-color:var(--border-color);color:var(--text-primary)}.modal-body{padding:1.5rem;flex:1;overflow:auto;display:flex;flex-direction:column}.comparison-container{max-width:none;width:100%;height:100%;margin:0;flex:1;display:flex;flex-direction:column;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.comparison-wrapper{position:relative;width:100%;height:calc(100vh - 280px);min-height:400px;max-height:75vh;overflow:hidden;border-radius:var(--radius);border:1px solid var(--border-color);margin-bottom:1rem;flex:1;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none}.image-before,.image-after{position:absolute;top:0;left:0;width:100%;height:100%;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.image-before img,.image-after img{width:100%;height:100%;object-fit:cover;object-position:center;background-color:#f5f5f5;max-width:none;max-height:none;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;pointer-events:none}.image-after{clip-path:polygon(50% 0%,100% 0%,100% 100%,50% 100%)}.image-label{position:absolute;top:10px;padding:4px 8px;background-color:#000000b3;color:#fff;font-size:.75rem;border-radius:4px;font-weight:500;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;pointer-events:none}.image-before .image-label{left:10px}.image-after .image-label{right:10px}.comparison-slider{position:absolute;top:0;left:50%;width:2px;height:100%;background-color:var(--primary-color);cursor:ew-resize;transform:translate(-1px);z-index:10;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.slider-handle{position:absolute;top:50%;left:50%;width:30px;height:30px;background-color:var(--primary-color);border:3px solid white;border-radius:50%;transform:translate(-50%,-50%);cursor:ew-resize;box-shadow:0 2px 8px #0003;transition:transform .2s;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.slider-handle:hover{transform:translate(-50%,-50%) scale(1.1)}.slider-handle:before,.slider-handle:after{content:"";position:absolute;top:50%;width:0;height:0;border-style:solid;transform:translateY(-50%)}.slider-handle:before{left:8px;border-width:4px 6px 4px 0;border-color:transparent white transparent transparent}.slider-handle:after{right:8px;border-width:4px 0 4px 6px;border-color:transparent transparent transparent white}.comparison-info{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;text-align:center;font-size:.875rem;flex-shrink:0;margin-top:auto}.comparison-info>div{padding:.75rem;background-color:var(--background-color);border-radius:var(--radius);border:1px solid var(--border-color)}.info-label{display:block;font-weight:600;color:var(--text-secondary);margin-bottom:.25rem}.info-original span:last-child{color:var(--text-primary);font-weight:500}.info-converted span:last-child{color:var(--primary-color);font-weight:500}.info-ratio span:last-child{font-weight:600}@media (max-width: 768px){.modal-content{max-width:98vw;max-height:98vh;width:95vw;height:90vh}.modal-body{padding:1rem}.comparison-wrapper{height:calc(100vh - 350px);min-height:300px;max-height:60vh}.comparison-info{grid-template-columns:1fr;gap:.5rem}.comparison-info>div{padding:.5rem}}@media (min-width: 1200px){.modal-content{width:85vw;height:90vh}.comparison-wrapper{height:calc(100vh - 250px);max-height:75vh}}.image-container{overflow:hidden}:root{--primary: #6366f1;--primary-hover: #5145cd;--background: #f9fafb;--surface: #ffffff;--surface-color: #ffffff;--border: #e4e4e7;--border-color: #e4e4e7;--foreground: #1f2937;--muted-foreground: #6b7280;--radius: .5rem;--success: #0ca80c;--fail: #f03a17}@media (prefers-color-scheme: dark){:root{--primary: #8b8fff;--primary-hover: #6d6ef5;--background: #09090b;--surface: #18181b;--surface-color: #18181b;--border: #3f3f46;--border-color: #3f3f46;--foreground: #f4f4f5;--muted-foreground: #a1a1aa;--success: #5aff5a;--fail: #f03a17;--text-primary: #f4f4f5;--text-secondary: #b2bcd1;--background-color: #09090b}}body{background-color:var(--background);color:var(--foreground);font-family:Inter,sans-serif;margin:0;display:flex;flex-direction:column;align-items:center;min-height:100vh}h1{font-size:2rem;font-weight:600;margin-top:1.5rem;margin-bottom:1rem;text-align:center;color:var(--primary)}a{color:var(--primary);text-decoration:none;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}a:hover{color:var(--primary-hover);border-color:var(--primary-hover)}.app{display:flex;flex-direction:row;justify-content:center;align-items:flex-start;width:100%;max-width:1280px;padding:2rem 1rem;gap:2rem;box-sizing:border-box}.left-content,.right-content,.uploaded-image,.faqsection{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:none}.left-content{flex:0 0 420px;padding:1.5rem 2rem;position:sticky;top:2rem;height:fit-content}.right-content{flex:1 1 auto;padding:0;border:none;background-color:transparent}#drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:2rem;text-align:center;cursor:pointer;transition:background-color .2s,border-color .2s}#drop-zone:hover,#drop-zone.dragover{background-color:var(--surface);border-color:var(--primary)}#drop-zone.disabled{cursor:not-allowed;background-color:var(--background);border-color:var(--border)}.form-section>div{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-top:1.25rem}.form-section label{font-weight:500;display:block;margin-bottom:.5rem;color:var(--foreground)}.form-section small{color:var(--muted-foreground)}.radio-group{display:flex;flex-wrap:wrap;gap:.5rem}.radio-group input[type=radio]{display:none}.radio-group label{cursor:pointer}.radio-group input[type=radio]+span{display:inline-block;padding:.35rem .9rem;border:1px solid var(--border);border-radius:var(--radius);background-color:var(--surface);color:var(--foreground);font-size:.875rem;transition:background-color .2s,color .2s,border-color .2s}.radio-group input[type=radio]:checked+span{background-color:var(--primary);color:#fff;border-color:var(--primary)}.radio-group label:hover span{color:var(--primary);border-color:var(--primary)}input[type=range]{width:100%;accent-color:var(--primary)}input[type=number]{width:100%;padding:.5rem;border:1px solid var(--border);border-radius:var(--radius);background-color:var(--surface);color:var(--foreground);box-sizing:border-box}button{padding:.5rem .75rem;border-radius:calc(var(--radius) - .125rem);font-size:.875rem;font-weight:500;cursor:pointer;transition:background-color .2s,color .2s,transform .1s;border:1px solid var(--border);background-color:var(--surface);color:var(--foreground)}button:active{transform:scale(.98)}#convert-btn,#download-zip-btn{background-color:var(--primary);border-color:var(--primary);color:#fff}#convert-btn:hover,#download-zip-btn:hover{background-color:var(--primary-hover)}#reset-btn:hover{background-color:#f4f4f5}.button-group{display:flex;gap:1rem;margin-top:2rem}#preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;width:100%;max-width:800px}.image-container{background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;text-align:center;position:relative;overflow:hidden}.image-container img{width:100%;object-fit:cover;border-radius:calc(var(--radius) - .25rem);background:linear-gradient(135deg,#f5f5f5,#ddd)}.image-container .info{font-size:.75rem;color:var(--muted-foreground);margin-bottom:.5rem;text-align:left;white-space:pre-line}.faqsection{padding:1.5rem;margin-top:2rem}.faqsection h2{margin-top:0;margin-bottom:1rem;font-size:1.25rem;color:var(--foreground)}.faqsection ul{list-style:none;padding-left:0}.faqsection li{margin-bottom:.75rem;font-size:.875rem;color:var(--foreground)}.faqsection li span{color:var(--primary);font-weight:600}.privacy a,.etc a{color:var(--primary);font-size:.75rem}@media (max-width: 1024px){.app{flex-direction:column;align-items:stretch;gap:1rem;padding:1.5rem 1rem}.left-content,.right-content{flex:1 0 100%;position:static}.left-content{margin-bottom:1.5rem}}@media (max-width: 768px){.button-group{flex-direction:column}.button-group button{width:100%}#preview{grid-template-columns:repeat(2,1fr);gap:.75rem}button,input[type=range],input[type=number]{min-width:44px;min-height:44px;font-size:1rem;border-radius:var(--radius);box-sizing:border-box}}@media (max-width: 480px){#preview{grid-template-columns:1fr}}