:root{--bg: var(--tg-theme-bg-color, #ffffff);--bg2: var(--tg-theme-secondary-bg-color, #f2f2f7);--text: var(--tg-theme-text-color, #000000);--hint: var(--tg-theme-hint-color, #8e8e93);--link: var(--tg-theme-link-color, #2481cc);--button: var(--tg-theme-button-color, #2481cc);--button-text: var(--tg-theme-button-text-color, #ffffff);--accent: var(--tg-theme-accent-text-color, #2481cc);--destructive: var(--tg-theme-destructive-text-color, #ff3b30)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--link)}.app{min-height:100vh;display:flex;flex-direction:column}.screen{flex:1;padding:16px 16px 80px}h1{font-size:22px;margin:0 0 12px}h2{font-size:18px;margin:16px 0 8px}.hint{color:var(--hint);font-size:13px}.error{color:var(--destructive)}.btn{display:block;width:100%;padding:14px;border:0;border-radius:12px;background:var(--button);color:var(--button-text);font-size:16px;font-weight:600;cursor:pointer;margin-top:12px}.btn.secondary{background:var(--bg2);color:var(--text)}.btn:disabled{opacity:.5;cursor:default}.card{background:var(--bg2);border-radius:12px;padding:14px;margin-bottom:8px}.plan{display:flex;justify-content:space-between;align-items:center;border:2px solid transparent;cursor:pointer}.plan.selected{border-color:var(--accent)}.plan.disabled{opacity:.5;cursor:default}.plan .price{font-weight:600;white-space:nowrap}.segmented{display:flex;gap:8px;margin:12px 0}.segmented button{flex:1;padding:10px;border-radius:10px;border:2px solid transparent;background:var(--bg2);color:var(--text);cursor:pointer}.segmented button.active{border-color:var(--accent)}.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--bg2);border-top:1px solid rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}.tabs button{flex:1;padding:12px 4px;border:0;background:transparent;color:var(--hint);font-size:12px;cursor:pointer}.tabs button.active{color:var(--accent);font-weight:600}input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--hint);background:var(--bg);color:var(--text);font-size:16px;margin-bottom:8px}ul.features{padding-left:20px;margin:0 0 16px}.markdown pre{white-space:pre-wrap}button.link{background:none;border:0;padding:8px 0;color:var(--link, var(--tg-theme-link-color, #2481cc));font-size:15px}.promo-row{display:flex;gap:8px;align-items:flex-start}.promo-row input{flex:1;margin-bottom:0}.promo-row button{padding:12px 14px;border-radius:10px;border:1px solid var(--accent);background:transparent;color:var(--accent);font-size:15px;cursor:pointer;white-space:nowrap}.promo-row button:disabled{opacity:.5}.promo-ok{color:var(--accent)}.support-row{cursor:pointer}.support-row-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.support-preview{margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge-dot{flex:none;width:10px;height:10px;border-radius:50%;background:var(--destructive)}.tab-badge{display:inline-block;min-width:18px;margin-left:4px;padding:0 5px;border-radius:9px;background:var(--destructive);color:#fff;font-size:11px;line-height:18px}textarea.support-input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--hint);background:var(--bg);color:var(--text);font:inherit;font-size:16px;resize:vertical}.attach{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:6px}.attach-chip{display:inline-flex;align-items:center;gap:4px;max-width:100%;padding:4px 8px;border-radius:8px;background:var(--bg2);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attach-chip button{border:0;background:none;color:var(--hint);font-size:16px;cursor:pointer}.chat{display:flex;flex-direction:column;gap:8px;margin:12px 0}.msg{max-width:85%;padding:8px 12px;border-radius:12px;background:var(--bg2)}.msg.mine{align-self:flex-end;background:var(--button);color:var(--button-text)}.msg.theirs{align-self:flex-start}.msg-author{font-size:12px;font-weight:600;opacity:.7}.msg-text{white-space:pre-wrap;word-break:break-word}.msg-images{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.msg-images img{width:96px;height:96px;object-fit:cover;border-radius:8px;cursor:pointer}.msg-time{margin-top:2px;font-size:11px;opacity:.6;text-align:right}