:root{--tg-bg-color: #ffffff;--tg-text-color: #000000;--tg-hint-color: #8b8b8b;--tg-link-color: #2481cc;--tg-button-color: #2481cc;--tg-button-text-color: #ffffff;--tg-secondary-bg-color: #f1f1f1;--gap: 10px;--radius: 16px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--tg-secondary-bg-color);color:var(--tg-text-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;-webkit-tap-highlight-color:transparent}.app{display:flex;flex-direction:column;height:100%;max-width:720px;margin:0 auto}.header{flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:12px 16px;font-weight:600;background:var(--tg-bg-color);color:var(--tg-text-color);border-bottom:1px solid var(--tg-secondary-bg-color);position:sticky;top:0}.header-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.back{border:none;background:transparent;color:var(--tg-link-color);font-size:26px;line-height:1;padding:0 6px 0 0;cursor:pointer}.conv-list{flex:1 1 auto;overflow-y:auto;background:var(--tg-secondary-bg-color);display:flex;flex-direction:column}.conv-row{display:flex;flex-direction:column;gap:4px;width:100%;text-align:left;padding:12px 16px;border:none;border-bottom:1px solid var(--tg-secondary-bg-color);background:var(--tg-bg-color);color:var(--tg-text-color);font:inherit;cursor:pointer}.conv-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.conv-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-time{flex:0 0 auto;font-size:12px;color:var(--tg-hint-color)}.conv-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px}.conv-preview{color:var(--tg-hint-color);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-empty{font-style:italic;opacity:.7}.badge{flex:0 0 auto;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--tg-button-color);color:var(--tg-button-text-color);font-size:12px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.messages{flex:1 1 auto;overflow-y:auto;padding:var(--gap) 12px calc(var(--gap) + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:6px;background:var(--tg-secondary-bg-color)}.notice{color:var(--tg-hint-color);text-align:center;margin:24px 12px;line-height:1.4}.load-older{align-self:center;margin:8px 0;padding:6px 14px;border:none;border-radius:14px;background:var(--tg-bg-color);color:var(--tg-link-color);font-size:14px}.row{display:flex}.row-mine{justify-content:flex-end}.row-theirs{justify-content:flex-start}.bubble{max-width:80%;padding:8px 12px;border-radius:var(--radius);line-height:1.35;word-wrap:break-word;white-space:pre-wrap;display:flex;flex-direction:column}.bubble-mine{background:var(--tg-button-color);color:var(--tg-button-text-color);border-bottom-right-radius:4px}.bubble-theirs{background:var(--tg-bg-color);color:var(--tg-text-color);border-bottom-left-radius:4px}.time{align-self:flex-end;font-size:11px;opacity:.6;margin-top:2px}.action-error{flex:0 0 auto;margin:0 10px 6px;padding:8px 12px;border-radius:12px;background:#ffe3e3;color:#a30000;font-size:14px}.action-error .dismiss{opacity:.7;font-size:12px}.composer{flex:0 0 auto;display:flex;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));background:var(--tg-bg-color);border-top:1px solid var(--tg-secondary-bg-color)}.input{flex:1 1 auto;resize:none;max-height:120px;padding:10px 12px;border:1px solid var(--tg-secondary-bg-color);border-radius:18px;background:var(--tg-secondary-bg-color);color:var(--tg-text-color);font:inherit}.input:focus{outline:none;border-color:var(--tg-link-color)}.send{flex:0 0 auto;padding:0 18px;border:none;border-radius:18px;background:var(--tg-button-color);color:var(--tg-button-text-color);font:inherit;font-weight:600}.send:disabled{opacity:.5}