:root{--orange:#d94f17;--dark:#171717;--muted:#6b6b6b;--line:#e7e7e7;--soft:#f7f7f7;--warm:#fff7f2}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;color:#202020}.topbar{height:70px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{font-size:23px;font-weight:800;letter-spacing:.04em}.brand span{font-weight:500}.badge{background:var(--soft);border:1px solid var(--line);padding:8px 12px;font-size:13px}.shell{max-width:1180px;margin:0 auto;padding:54px 24px 70px}.hero{display:flex;gap:30px;justify-content:space-between;align-items:flex-end;margin-bottom:30px}.eyebrow{color:var(--orange);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}h1{font-size:44px;line-height:1.06;margin:0 0 14px;max-width:760px}h2{font-size:34px;margin:0 0 6px}h3{margin:0 0 16px;font-size:19px}.hero p{font-size:18px;line-height:1.55;color:var(--muted);max-width:780px;margin:0}.mode-switch{display:flex;background:var(--soft);padding:4px;border:1px solid var(--line);min-width:385px}.mode{border:0;background:transparent;padding:12px 14px;cursor:pointer;font-weight:600;flex:1}.mode.active{background:#fff;box-shadow:0 1px 6px #0001;color:var(--orange)}.layout{display:grid;grid-template-columns:1.5fr .8fr;gap:22px}.panel{border:1px solid var(--line);padding:26px;background:#fff}.drop{border:1.5px dashed #cfcfcf;padding:38px;text-align:center;background:#fcfcfc}.drop.drag{border-color:var(--orange);background:var(--warm)}.drop-icon{width:44px;height:44px;border-radius:50%;background:var(--warm);color:var(--orange);display:grid;place-items:center;margin:0 auto 12px;font-size:23px}.drop-title{font-size:18px;font-weight:700}.drop-sub{color:var(--muted);font-size:14px;margin:7px 0 16px}.file-btn{display:inline-block;background:#fff;border:1px solid #bbb;padding:10px 15px;font-weight:600;cursor:pointer}.file-btn input{display:none}.filename{margin-top:10px;color:var(--orange);font-size:14px}.or{text-align:center;color:#999;margin:19px 0;position:relative}.or:before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid var(--line)}.or span{position:relative;background:#fff;padding:0 10px}.label{display:block;font-weight:700;margin-bottom:9px}textarea{width:100%;height:145px;border:1px solid #ccc;padding:14px;font:inherit;line-height:1.5}.primary{width:100%;margin-top:15px;border:0;background:var(--orange);color:#fff;padding:15px;font-size:16px;font-weight:700;cursor:pointer}.primary:disabled{opacity:.55}.privacy,.note{font-size:13px;line-height:1.5;color:#777}.side .feature{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);line-height:1.45}.feature b{color:var(--orange);font-size:13px}.note{background:var(--soft);padding:13px;margin-top:18px}.error{color:#b42318;margin-top:10px;font-size:14px}.hidden{display:none}.back{border:0;background:transparent;padding:0;margin-bottom:25px;font-weight:700;cursor:pointer}.result-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.muted{color:var(--muted)}.status{padding:9px 12px;background:var(--warm);border:1px solid #efc5b3;font-weight:700;font-size:13px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}.metric{border:1px solid var(--line);padding:18px}.metric span{display:block;color:var(--muted);font-size:13px;margin-bottom:7px}.metric strong{font-size:18px;line-height:1.3}.summary{background:var(--warm);border-left:4px solid var(--orange);padding:22px 24px;margin:20px 0}.summary p{font-size:17px;line-height:1.55;margin:0}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.small{padding:20px}.small ul{margin:0;padding-left:20px;line-height:1.55}.accent{background:#fcfcfc}.cta{margin-top:20px;background:var(--dark);color:#fff;padding:22px 24px;display:flex;justify-content:space-between;gap:20px;align-items:center}.cta strong,.cta span{display:block}.cta span{color:#d0d0d0;margin-top:5px}.cta a{background:var(--orange);color:#fff;text-decoration:none;padding:12px 16px;font-weight:700;white-space:nowrap}details{margin-top:16px;border:1px solid var(--line);padding:16px}summary{font-weight:700;cursor:pointer}@media(max-width:850px){.hero{display:block}.mode-switch{margin-top:22px;min-width:0}.layout,.result-grid,.metrics{grid-template-columns:1fr}.result-head,.cta{display:block}.cta a{display:inline-block;margin-top:16px}h1{font-size:34px}.shell{padding-top:34px}}