body{margin:0;font-family:-apple-system,Segoe UI,Microsoft YaHei,PingFang SC,sans-serif;background:#f5f6fb;-webkit-font-smoothing:antialiased}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#5b6ee8,#7b4fd4 55%,#9a4fb0)}.chat-scroll{overflow-y:auto;scrollbar-width:thin}.waveform{display:flex;align-items:flex-end;gap:3px;height:48px;width:100%}.waveform span{flex:1;border-radius:2px;background:#d3d9f7;min-height:5px;transition:background .2s}.waveform span.on{background:#6a5af9}.shot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}.version-thumb{width:100%;border-radius:8px;cursor:pointer;display:block;aspect-ratio:4 / 3;object-fit:cover}