*,*:before,*:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{background:var(--kf-paper);color:var(--kf-ink);font-family:Figtree,Noto Sans SC,PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,sans-serif;font-feature-settings:"tnum";-webkit-font-smoothing:antialiased}.kf-mono{font-family:IBM Plex Mono,ui-monospace,SFMono-Regular,Menlo,monospace}.kf-app{width:100%;max-width:480px;min-height:100vh;min-height:100dvh;margin:0 auto;background:var(--kf-paper);display:flex;flex-direction:column;position:relative;overflow-x:hidden}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit;color:var(--kf-ink)}.kf-cta{border:none;background:var(--kf-coral);color:var(--kf-paper-light);font-weight:700;border-radius:var(--kf-radius-md);padding:13px 22px;font-size:15px}.kf-cta:disabled{background:var(--kf-sand);color:var(--kf-muted-alt);cursor:default}.kf-btn{width:100%;border:1.5px solid var(--kf-border);background:var(--kf-card-white);color:var(--kf-muted);font-weight:600;font-size:13.5px;padding:12px;border-radius:15px;cursor:pointer;font-family:inherit;margin-top:9px}.kf-btn:disabled{color:var(--kf-muted-light);cursor:default}.kf-confirm{width:100%;border:none;background:var(--kf-ink);color:var(--kf-paper-light);font-weight:800;font-size:15.5px;padding:15px;border-radius:16px;cursor:pointer;font-family:inherit;margin-top:6px}.kf-confirm:disabled{background:var(--kf-sand);color:var(--kf-muted-alt);cursor:default}.kf-secondary{background:var(--kf-paper-light);border:1.5px solid var(--kf-border);color:var(--kf-ink);border-radius:var(--kf-radius-md);padding:9px 14px;font-size:14px}.kf-card{background:var(--kf-card-white);border-radius:var(--kf-radius-lg);box-shadow:0 2px 10px var(--kf-shadow-soft)}.kf-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}