.studio-activity{position:fixed;left:50%;top:max(16px,env(safe-area-inset-top));transform:translateX(-50%);z-index:2147483000;display:flex;align-items:center;justify-content:center;gap:10px;max-width:calc(100vw - 32px);padding:12px 18px;border:1px solid #cbded9;border-radius:12px;background:#fff;color:#174b45;box-shadow:0 8px 28px #123c3526;font:600 13px/1.45 system-ui,sans-serif;pointer-events:none}
.studio-activity[hidden]{display:none!important}
.studio-spinner,.studio-button-loading::before{display:inline-block;flex-shrink:0;width:17px;height:17px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:studio-spin .75s linear infinite;vertical-align:middle}
.studio-button-loading{cursor:progress!important;opacity:.8!important;position:relative}
.studio-button-loading::before{content:'';margin-right:7px;width:14px;height:14px}
.studio-button-loading>svg{display:none!important}
.studio-working{cursor:progress}
.studio-boot{min-height:200px;display:flex;justify-content:center;align-items:center;gap:12px;color:#174b45;font:600 14px system-ui,sans-serif}
@keyframes studio-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.studio-spinner,.studio-button-loading::before{animation:none;border-style:dotted}}
@media print{.studio-activity,.studio-boot{display:none!important}}