:root{color:#1c1d1f;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#f4f1eb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}.shell{background:linear-gradient(120deg,#1c1d1fe0,#1c1d1f7a),url(/media-backdrop.png) 50%/cover fixed;min-height:100vh;padding:28px}.workspace{color:#f8f6ef;width:min(1180px,100%);margin:0 auto;animation:.56s ease-out both rise}.masthead{align-content:end;min-height:28vh;padding:26px 0 36px;display:grid}.eyebrow{color:#e6ff72;text-transform:uppercase;margin:0 0 8px;font-size:.8rem;font-weight:800}h1,h2,p{margin-top:0}h1{letter-spacing:0;margin-bottom:10px;font-size:clamp(3.3rem,10vw,8rem);line-height:.9}.lede{color:#f8f6efd1;max-width:620px;margin-bottom:0;font-size:1.1rem;line-height:1.7}.converter,.status-strip,.preview-pane{color:#1c1d1f;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#f8f6eff0;border:1px solid #ffffff8c}.converter{grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);min-height:270px;display:grid}.dropzone{border-right:1px solid #1c1d1f1f;grid-template-columns:1fr auto;align-items:end;gap:24px;min-height:270px;padding:32px;transition:background .18s,color .18s;display:grid;position:relative;overflow:hidden}.dropzone.dragging{background:#d9ff48}.dropzone input[type=file]{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;inset:0}.drop-copy{align-items:center;gap:18px;display:flex}.upload-icon{color:#e6ff72;background:#1c1d1f;border-radius:50%;flex:none;place-items:center;width:64px;height:64px;font-size:2.6rem;line-height:1;transition:transform .2s;display:grid}.dropzone:hover .upload-icon,.dropzone.dragging .upload-icon{transform:rotate(90deg)}.drop-copy h2,.pane-head h2{margin-bottom:8px;font-size:1.1rem}.drop-copy p,.media-stage p{color:#1c1d1f9e;margin-bottom:0;line-height:1.6}.primary,.download{color:#fff;cursor:pointer;background:#1c1d1f;border:0;border-radius:4px;justify-content:center;align-items:center;min-height:44px;padding:0 18px;font-weight:800;text-decoration:none;transition:transform .16s,background .16s;display:inline-flex}.primary:hover,.download:hover{background:#36383d;transform:translateY(-1px)}.primary:disabled{cursor:not-allowed;opacity:.45;transform:none}.controls{gap:18px;padding:28px;display:grid}.mode-control{background:#1c1d1f0d;border:1px solid #1c1d1f1f;border-radius:6px;grid-template-columns:1fr 1fr;gap:6px;padding:4px;display:grid}.mode-button{color:#1c1d1f9e;cursor:pointer;background:0 0;border:0;border-radius:4px;min-height:38px;font-weight:800;transition:background .16s,color .16s}.mode-button.active{color:#fff;background:#1c1d1f}.controls label{color:#1c1d1fb8;grid-template-columns:1fr auto;align-items:center;gap:8px 14px;font-weight:700;display:grid}.controls output{color:#1c1d1f}.controls input[type=range]{accent-color:#1c1d1f;grid-column:1/-1}.controls input[type=number]{color:#1c1d1f;background:#fff;border:1px solid #1c1d1f29;border-radius:4px;grid-column:1/-1;width:100%;min-height:42px;padding:0 12px}.status-strip{grid-template-columns:1fr 1fr auto;align-items:center;gap:18px;margin-top:14px;padding:18px;display:grid}.label{color:#1c1d1f8a;margin-bottom:4px;font-size:.78rem;font-weight:800;display:block}.status-strip strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;display:block;overflow:hidden}.engine-progress{grid-template-columns:1fr auto;align-items:center;gap:10px;min-width:180px;margin-top:8px;display:grid}.engine-progress[hidden]{display:none}.engine-progress-track{background:#1c1d1f24;border-radius:999px;height:6px;overflow:hidden}.engine-progress-track span{border-radius:inherit;background:#1c1d1f;width:0;height:100%;transition:width .18s;display:block}.engine-progress>span{color:#1c1d1f9e;text-align:right;min-width:38px;font-size:.78rem;font-weight:800}.preview-grid{grid-template-columns:1fr 1fr;gap:14px;margin-top:14px;display:grid}.preview-pane{grid-template-rows:auto 1fr auto;min-height:420px;display:grid}.pane-head{border-bottom:1px solid #1c1d1f1a;justify-content:space-between;gap:16px;padding:18px;display:flex}.pane-head h2{margin-bottom:0}.pane-head span{color:#1c1d1f8c;white-space:nowrap;font-size:.85rem}.media-stage{background-color:#0000;background-image:linear-gradient(45deg,#1c1d1f0b 25%,#0000 25%),linear-gradient(-45deg,#1c1d1f0b 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#1c1d1f0b 75%),linear-gradient(-45deg,#0000 75%,#1c1d1f0b 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-repeat:repeat,repeat,repeat,repeat;background-size:20px 20px;background-attachment:scroll,scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box;place-items:center;min-height:338px;padding:18px;display:grid}.preview-media{object-fit:contain;max-width:100%;max-height:430px;animation:.26s ease-out both reveal}.download{margin:0 18px 18px auto}@keyframes rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes reveal{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}@media (width<=820px){.shell{background-attachment:scroll;padding:16px}.masthead{min-height:24vh;padding-top:18px}.converter,.status-strip,.preview-grid{grid-template-columns:1fr}.dropzone{border-bottom:1px solid #1c1d1f1f;border-right:0;grid-template-columns:1fr;min-height:230px}.status-strip .convert{width:100%}.pane-head{display:block}.pane-head span{white-space:normal;margin-top:8px;display:block}}