:root{--bg:#10141c;--panel:#171d27;--line:#34404d;--text:#f4f7f8;--muted:#aab6c2;--accent:#6af0c4;--warning:#e8c773;--danger:#ff9c9c;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:320px}.shell{min-height:100vh;display:flex;flex-direction:column;padding:26px clamp(22px,5vw,72px)}.topbar,footer{display:flex;justify-content:space-between;gap:20px;font-size:.75rem;letter-spacing:.13em;color:var(--muted)}.topbar{border-bottom:1px solid var(--line);padding-bottom:18px}footer{border-top:1px solid var(--line);padding-top:18px;letter-spacing:.04em}footer a{color:var(--text);text-decoration:none}footer a:hover{text-decoration:underline}.workspace{width:min(100%,650px);margin:auto;padding:48px 0 64px}.brand{display:flex;align-items:center;justify-content:center;gap:12px;font-size:1.85rem;font-weight:800;letter-spacing:-.065em}.brand-symbol{display:grid;place-items:center;width:41px;height:41px;background:var(--accent);border-radius:11px;color:var(--bg);font-size:2rem;line-height:1}.brand-light{font-weight:400;color:var(--accent)}h1{text-align:center;font-size:clamp(2.2rem,5vw,3.8rem);letter-spacing:-.07em;line-height:1.1;margin:38px 0 14px}.intro{text-align:center;color:var(--muted);line-height:1.55;font-size:1.05rem;max-width:510px;margin:0 auto 34px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}.dropzone{min-height:270px;border:1px dashed #617384;border-radius:13px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:11px;cursor:pointer;text-align:center;padding:24px;transition:border-color .2s,background .2s}.dropzone:hover,.dropzone.dragging,.dropzone:focus-visible{border-color:var(--accent);background:#1c2d31;outline:none}.dropzone strong{font-size:1.35rem;letter-spacing:-.03em}.dropzone>span:nth-of-type(2){color:var(--muted)}.drop-icon,.receiver-icon{font-size:2rem;color:var(--accent);line-height:1}.select-button,.download-button{background:var(--accent);color:var(--bg);padding:12px 18px;border-radius:8px;font-weight:750;margin-top:13px;text-decoration:none}.select-button span{margin-left:24px}.fineprint{text-align:center;color:var(--muted);font-size:.82rem;margin:18px 0 0}.hidden{display:none!important}.file-row{display:flex;align-items:center;gap:15px;min-width:0}.file-row>div{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.file-row strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-row>div>span{color:var(--muted);font-size:.85rem}.file-glyph{display:grid;place-items:center;width:44px;height:44px;flex:none;background:#243a3a;color:var(--accent);border-radius:9px;font-size:1.5rem}.file-ready{font-size:.7rem;color:var(--accent);letter-spacing:.12em}.share-box{margin-top:27px}.share-box label{font-size:.85rem;color:var(--muted)}.share-input{display:flex;gap:8px;margin-top:8px}.share-input input{width:100%;min-width:0;background:#101720;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:13px;font:inherit}.share-input button{border:0;border-radius:8px;background:var(--accent);color:var(--bg);font:inherit;font-weight:750;padding:0 16px;cursor:pointer;white-space:nowrap}.keep-open{display:flex;gap:14px;background:#352e24;border:1px solid #786447;border-radius:10px;padding:16px;margin:25px 0;color:#f6e5ba}.keep-icon{display:grid;place-items:center;width:24px;height:24px;flex:none;border:1.5px solid var(--warning);border-radius:50%;color:var(--warning);font-weight:700}.keep-open p{margin:5px 0 0;line-height:1.5;font-size:.9rem}.progress-head{display:flex;justify-content:space-between;gap:12px;font-size:.85rem;color:var(--muted);margin:18px 0 9px}progress{appearance:none;width:100%;height:7px;border:0;border-radius:20px;overflow:hidden;background:#34404d}progress::-webkit-progress-bar{background:#34404d}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.text-button{display:block;margin:23px auto 0;background:none;border:0;color:var(--muted);font:inherit;text-decoration:underline;cursor:pointer}.receiver-icon{text-align:center;margin:8px 0 15px}.panel h2{text-align:center;margin:0;font-size:1.7rem;letter-spacing:-.04em}.panel h2+p{text-align:center;color:var(--muted)}#receive-file-row{margin-top:30px}.receiver-note{color:var(--muted);line-height:1.5;font-size:.85rem;margin-top:22px}.download-button{display:block;text-align:center}.error{color:var(--danger);text-align:center;line-height:1.5;margin:18px 0 0}@media(max-width:600px){.shell{padding:19px 18px}.topbar span:last-child,footer span:first-child{display:none}.workspace{padding:35px 0 54px}.brand{font-size:1.65rem}h1{margin-top:32px}.panel{padding:14px}.dropzone{min-height:245px}.fineprint{line-height:1.5}footer{justify-content:center}.share-input{flex-direction:column}.share-input button{padding:13px}}