button[aria-busy="true"]{cursor:progress;position:relative}
button[aria-busy="true"]::after{content:"";display:inline-block;width:11px;height:11px;margin-left:8px;vertical-align:-1px;border:1.5px solid currentColor;border-right-color:transparent;border-radius:50%;animation:interaction-spin .8s linear infinite}
.interaction-status{position:fixed;z-index:11000;left:50%;bottom:24px;transform:translateX(-50%);max-width:min(640px,calc(100vw - 32px));padding:12px 18px;border:1px solid #705a91;border-radius:10px;background:#252d3e;color:#e5eaf1;box-shadow:0 8px 24px #0005;font:13px/1.6 system-ui,"Microsoft YaHei",sans-serif;pointer-events:none;animation:interaction-enter .18s ease-out}
.interaction-status[data-kind="error"]{border-color:#bb6975;background:#392b36}
.interaction-status[hidden]{display:none}
@keyframes interaction-spin{to{transform:rotate(360deg)}}
@keyframes interaction-enter{from{opacity:0;translate:0 4px}to{opacity:1;translate:0 0}}
@media(prefers-reduced-motion:reduce){button[aria-busy="true"]::after,.interaction-status{animation:none}}