:root{--blue:#1757d5;--blue2:#0b3b9e;--ink:#172033;--muted:#6b778c;--line:#dfe6ef;--bg:#f4f7fb;--card:#fff;--green:#109b58;--red:#d64040;--shadow:0 12px 35px #17243b0b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,Helvetica,sans-serif}.siteHeader{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{max-width:1180px;margin:auto;padding:13px 18px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.brand{font-size:22px;font-weight:950;color:var(--blue);text-decoration:none}.brand span{color:#111}
main{max-width:1180px;margin:auto;padding:0 18px 45px}.hero{text-align:center;padding:45px 0 28px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:950;color:var(--blue);margin-bottom:10px}.hero h1{font-size:clamp(30px,5vw,52px);letter-spacing:-1.5px;margin:0 auto 12px;line-height:1.04}.hero p{max-width:790px;margin:auto;color:var(--muted);line-height:1.7;font-size:14px}.toolShell{display:grid;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}
.controlCard{padding:18px}.dropZone{border:2px dashed #b8c8dd;background:#f8fbff;border-radius:15px;text-align:center;padding:32px 18px;transition:.2s}.dropZone.drag{border-color:var(--blue);background:#edf4ff}.uploadIcon{font-size:34px;color:var(--blue)}.dropZone h2{margin:8px 0 4px}.dropZone p{margin:0 0 15px;color:var(--muted);font-size:12px}.dropZone small{display:block;color:#8792a4;font-size:10px;margin-top:10px}.uploadButtons{display:flex;justify-content:center;gap:8px}
.btn{border:0;border-radius:9px;padding:10px 15px;font-weight:900;font-size:11px;transition:.15s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.primary{background:linear-gradient(135deg,var(--blue),#3b7aef);color:#fff}.secondary{background:#edf4ff;color:var(--blue);border:1px solid #cbdcf8}.danger{background:#fff0f0;color:var(--red);border:1px solid #f3cccc}.success{background:#eafaf1;color:var(--green);border:1px solid #bfe8cf}
.settings{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.settings label{display:block;font-size:10px;font-weight:950;color:#647084;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.settings select,.settings input[type=range]{width:100%;height:39px}.settings select{border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 9px;color:var(--ink)}.settings input[type=range]{accent-color:var(--blue)}.settings output{float:right;color:var(--blue)}.checkRow{grid-column:1/-1;display:flex;gap:18px;flex-wrap:wrap}.check{font-size:11px!important;text-transform:none!important;letter-spacing:0!important;font-weight:700!important;color:#59667a!important}.check input{accent-color:var(--blue)}
.results{padding:18px}.resultsHead{display:flex;justify-content:space-between;align-items:center;gap:15px}.resultsHead h2{margin:0 0 3px}.resultsHead span{font-size:10px;color:var(--muted)}.actions{display:flex;gap:7px;flex-wrap:wrap}.overallProgress{margin:15px 0}.overallProgress>div:first-child{display:flex;justify-content:space-between;font-size:10px;font-weight:900;margin-bottom:6px}.progressTrack{height:9px;background:#e9eef5;border-radius:99px;overflow:hidden}.progressTrack i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),#53a0ff);transition:width .15s}.empty{text-align:center;padding:45px 15px;color:var(--muted)}.empty>div{font-size:40px}.empty h3{color:var(--ink);margin:10px 0 5px}.empty p{font-size:11px}
.fileList{display:grid;gap:9px;margin-top:15px}.fileRow{display:grid;grid-template-columns:70px 1fr auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:9px;background:#fff}.thumb{width:70px;height:58px;border-radius:8px;object-fit:contain;background:#f0f3f7;border:1px solid #e3e8ef}.fileName{font-size:12px;font-weight:850;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{font-size:10px;color:var(--muted);margin-top:4px}.saving{color:var(--green);font-weight:900}.fileActions{display:flex;gap:6px;align-items:center}.mini{padding:8px 10px;font-size:10px}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.feature{padding:17px}.feature b{font-size:12px}.feature p{font-size:11px;line-height:1.6;color:var(--muted);margin:7px 0 0}
.seo{margin-top:16px;padding:26px}.seo h2{font-size:25px;margin-top:0}.seo h3{margin-top:25px}.seo p,.seo li{font-size:13px;line-height:1.8;color:#566276}.seo details{border-top:1px solid var(--line);padding:12px 0}.seo summary{font-weight:850;cursor:pointer}
footer{max-width:1180px;margin:auto;padding:25px 18px 40px;color:#7c8798;font-size:10px;display:flex;justify-content:space-between}.toast{position:fixed;right:18px;bottom:18px;background:#152039;color:#fff;padding:11px 15px;border-radius:9px;font-size:11px;opacity:0;transform:translateY(10px);transition:.2s;z-index:50}.toast.show{opacity:1;transform:none}
@media(max-width:850px){.settings{grid-template-columns:1fr 1fr}.features{grid-template-columns:1fr 1fr}.resultsHead{align-items:flex-start;flex-direction:column}.actions{width:100%}.actions .btn{flex:1}}
@media(max-width:560px){.hero{padding-top:30px}.settings,.features{grid-template-columns:1fr}.uploadButtons{flex-direction:column}.uploadButtons .btn{width:100%}.fileRow{grid-template-columns:55px 1fr}.thumb{width:55px;height:50px}.fileActions{grid-column:2}.fileActions .btn{flex:1}footer{display:block}footer span{display:block;margin-top:5px}}