:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,Segoe UI,Roboto,sans-serif;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}body{background:#0f1220;margin:0}@media (prefers-color-scheme:light){body{background:#f6f8fc}}:root{--bg:#0f1220;--card:#1a1f35;--line:#2b3350;--text:#e8ecf5;--sub:#9aa3c0;--accent:#5b8cff;--hi:#43d17a}*{box-sizing:border-box}.wrap{max-width:560px;color:var(--text);margin:0 auto;padding:24px 16px 48px}header h1{margin:0 0 6px;font-size:1.6rem}.sub{color:var(--sub);margin:0 0 20px;font-size:.9rem;line-height:1.5}.dropzone{border:2px dashed var(--line);text-align:center;cursor:pointer;background:var(--card);border-radius:14px;padding:32px 16px;transition:border-color .15s,background .15s}.dropzone.over,.dropzone:hover{border-color:var(--accent);background:#1f2745}.dz-icon{font-size:2.2rem}.dz-inner p{margin:8px 0 4px}.dz-inner small{color:var(--sub)}.controls{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:20px 0;padding:16px}.row{align-items:center;gap:12px;font-size:.92rem;display:flex}.row+.row{margin-top:14px}.row>span:first-child{min-width:84px}.row input[type=range]{accent-color:var(--accent);flex:1}.row.check{flex-wrap:wrap}.formats{flex-wrap:wrap;gap:6px;display:flex}.fmt{border:1px solid var(--line);background:var(--bg);color:var(--text);cursor:pointer;border-radius:8px;padding:5px 12px;font-size:.85rem;transition:all .12s}.fmt:hover{border-color:var(--accent)}.fmt.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.num{border:1px solid var(--line);background:var(--bg);width:90px;color:var(--text);border-radius:6px;padding:4px 8px}.status{text-align:center;color:var(--sub)}.status.err{color:#ff7a7a}.result{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-top:20px;padding:18px}.compare{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;display:flex}.stat{flex-direction:column;align-items:center;display:flex}.stat .label{color:var(--sub);font-size:.75rem}.stat b{font-size:1.15rem}.stat b.hi{color:var(--hi)}.arrow{color:var(--sub);font-size:1.2rem}.saved{background:var(--hi);color:#06210f;border-radius:20px;padding:4px 10px;font-size:.85rem;font-weight:700}.reso{text-align:center;color:var(--sub);margin:14px 0;font-size:.88rem}.preview{border-radius:8px;max-width:100%;margin:0 auto 16px;display:block}.download{text-align:center;background:var(--accent);color:#fff;border-radius:10px;padding:12px;font-weight:600;text-decoration:none;display:block}.download:hover{filter:brightness(1.08)}.info{border-top:1px solid var(--line);margin-top:36px;padding-top:24px}.info h2{margin:24px 0 10px;font-size:1.15rem}.info h2:first-child{margin-top:0}.info ol,.info ul{margin:0;padding-left:20px}.info li{margin:8px 0;font-size:.92rem;line-height:1.55}.faq dt{margin-top:14px;font-size:.95rem;font-weight:600}.faq dd{color:var(--sub);margin:6px 0 0;font-size:.9rem;line-height:1.55}footer{text-align:center;margin-top:28px}footer p{color:var(--sub);font-size:.78rem}@media (prefers-color-scheme:light){:root{--bg:#f6f8fc;--card:#fff;--line:#dde3f0;--text:#1a1f35;--sub:#5c6584}}