:root{--tg-bg:#ffffff;--tg-bg-secondary:#f1f1f1;--tg-text:#000000;--tg-hint:#707579;--tg-link:#2481cc;--tg-button:#2481cc;--tg-button-text:#ffffff;--tg-destructive:#df3f40;--tg-viewport-height:100vh;--tg-viewport-stable-height:100vh;--tg-inset-top:0px;--tg-inset-bottom:0px;--tg-inset-left:0px;--tg-inset-right:0px;--gap:12px;--radius:12px}:root[data-scheme=dark]{--tg-bg:#17212b;--tg-bg-secondary:#232e3c;--tg-text:#ffffff;--tg-hint:#708499}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--tg-bg);color:var(--tg-text);font:15px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overscroll-behavior:none}.app{min-height:var(--tg-viewport-stable-height);padding:calc(var(--tg-inset-top) + var(--gap)) calc(var(--tg-inset-right) + var(--gap)) calc(var(--tg-inset-bottom) + var(--gap)) calc(var(--tg-inset-left) + var(--gap));display:flex;flex-direction:column;gap:var(--gap)}.panel{background:var(--tg-bg-secondary);border-radius:var(--radius);padding:var(--gap)}.hint{color:var(--tg-hint)}.center{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:var(--gap)}.skeleton{background:var(--tg-bg-secondary);border-radius:var(--radius);height:64px;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.55}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}}