:root{--bg: #0b0f14;--bg2: #121821;--card: #151c26;--line: #232d3b;--text: #e6edf5;--muted: #8b98a9;--accent: #3ea6ff;--accent2: #1f6feb;--good: #3fb950;--warn: #f0883e;--bad: #f85149;--radius: 14px}@media (prefers-color-scheme: light){:root{--bg: #f5f7fa;--bg2: #eef2f7;--card: #ffffff;--line: #e2e8f0;--text: #0b1220;--muted: #5b6675}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,var(--bg2),var(--bg));color:var(--text);-webkit-font-smoothing:antialiased}.app{max-width:640px;margin:0 auto;padding:20px 16px 40px;min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px}.brand{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text);text-decoration:none}.small-btn{padding:7px 12px;font-size:13px;text-decoration:none}a.btn{text-decoration:none}.logo{filter:drop-shadow(0 0 8px var(--accent))}.tag{color:var(--muted);font-size:13px}main{flex:1}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 40px #00000040}h2{margin:0 0 4px;font-size:20px;letter-spacing:-.01em}h3{margin:8px 0}.muted{color:var(--muted);font-size:14px;margin:4px 0}.small{font-size:12px}.drop{text-align:center;padding:24px 8px;border:2px dashed var(--line);border-radius:var(--radius);transition:border-color .15s}.drop:hover{border-color:var(--accent2)}.drop-icon{font-size:44px}.row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}.btn{display:inline-flex;align-items:center;gap:6px;cursor:pointer;background:var(--bg2);color:var(--text);border:1px solid var(--line);padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;transition:transform .05s,background .15s}.btn:hover{background:var(--line)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent2);border-color:var(--accent2);color:#fff}.btn.primary:hover{background:var(--accent)}.btn.ghost{background:transparent}.btn.big{width:100%;justify-content:center;padding:14px;font-size:16px;margin-top:8px}.sending-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.share-body{display:flex;gap:20px;align-items:center;flex-wrap:wrap;justify-content:center;margin:16px 0}.qr{border-radius:10px;background:#fff;padding:8px}.link-box{display:flex;flex-direction:column;gap:8px;flex:1;min-width:220px}.link-input{width:100%;padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font-size:12px;font-family:ui-monospace,monospace}.waiting{display:flex;align-items:center;gap:10px;color:var(--muted);justify-content:center;padding:12px;font-size:14px}.pulse{width:10px;height:10px;border-radius:50%;background:var(--accent);animation:pulse 1.2s infinite}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}.transfer{margin-top:8px}.transfer-status{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-weight:600}.bar{position:relative;height:22px;background:var(--bg2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}.bar-fill{height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent));transition:width .2s ease}.bar-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.stats{display:flex;gap:12px;margin-top:16px}.stat{flex:1;text-align:center;background:var(--bg2);border-radius:10px;padding:10px}.stat-value{font-weight:700;font-size:14px}.stat-label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;margin-top:2px}.pill{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:700}.pill.relay{background:#f0883e26;color:var(--warn);border:1px solid var(--warn)}.filelist{list-style:none;padding:0;margin:16px 0;max-height:260px;overflow:auto}.filelist li{display:flex;align-items:center;gap:10px;padding:8px 4px;border-bottom:1px solid var(--line)}.filelist.compact li{padding:5px 4px;font-size:13px}.fi{width:24px;text-align:center}.fn{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fs{color:var(--muted);font-size:12px}.done{text-align:center;padding:16px}.done-icon{font-size:48px}.err{margin-top:14px;padding:10px 12px;border-radius:8px;background:#f851491f;color:var(--bad);border:1px solid var(--bad);font-size:13px}.foot{color:var(--muted);font-size:12px;text-align:center;margin-top:24px}