:root{--bg:#eef1f7;--bg-grad-top:#f3f5fa;--bg-grad-bottom:#e4e9f2;--surface:#fff;--header-border:#e6e9f0;--text:#1e2430;--text-muted:#6b7280;--accent:#2f6fed;--accent-strong:#245ad0;--sven-bubble:#fff;--sven-bubble-border:#e6e8ef;--online:#22c55e;--shadow:0 1px 2px #141e3c0f, 0 6px 20px #141e3c0f;--radius-bubble:18px}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{color:var(--text);background:linear-gradient(180deg, var(--bg-grad-top), var(--bg-grad-bottom));-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji}.app{background:0 0;flex-direction:column;max-width:780px;height:100dvh;margin:0 auto;display:flex}.header{-webkit-backdrop-filter:saturate(1.4)blur(12px);backdrop-filter:saturate(1.4)blur(12px);border-bottom:1px solid var(--header-border);z-index:5;background:#ffffffd1;align-items:center;gap:12px;padding:14px 20px;display:flex;position:sticky;top:0}.header .avatar{object-fit:cover;background:#dfe4ee;border-radius:50%;flex-shrink:0;width:42px;height:42px}.header .who{flex-direction:column;line-height:1.25;display:flex}.header .name{font-size:15.5px;font-weight:650}.header .status{color:var(--text-muted);align-items:center;gap:6px;font-size:12.5px;display:flex}.header .dot{background:var(--online);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #22c55e26}.messages{scroll-behavior:smooth;flex-direction:column;flex:1;gap:14px;padding:22px 18px 8px;display:flex;overflow-y:auto}.row{align-items:flex-end;gap:9px;max-width:100%;display:flex}.row.user{flex-direction:row-reverse}.row .bubble-avatar{object-fit:cover;background:#dfe4ee;border-radius:50%;flex-shrink:0;width:28px;height:28px;margin-bottom:2px}.bubble{border-radius:var(--radius-bubble);word-wrap:break-word;overflow-wrap:anywhere;white-space:normal;max-width:min(78%,560px);padding:11px 15px;font-size:15px;line-height:1.55}.row.sven .bubble{background:var(--sven-bubble);border:1px solid var(--sven-bubble-border);color:var(--text);box-shadow:var(--shadow);border-bottom-left-radius:6px}.row.user .bubble{background:linear-gradient(180deg, var(--accent), var(--accent-strong));color:#fff;border-bottom-right-radius:6px}.bubble a{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.row.user .bubble a{color:#fff}.bubble p{margin:0 0 8px}.bubble p:last-child{margin-bottom:0}.typing{align-items:center;gap:4px;padding:4px 2px;display:inline-flex}.typing span{background:#b8c0cf;border-radius:50%;width:7px;height:7px;animation:1.3s ease-in-out infinite bounce}.typing span:nth-child(2){animation-delay:.16s}.typing span:nth-child(3){animation-delay:.32s}@keyframes bounce{0%,80%,to{opacity:.5;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}.composer{padding:12px 16px calc(12px + env(safe-area-inset-bottom));-webkit-backdrop-filter:saturate(1.4)blur(12px);backdrop-filter:saturate(1.4)blur(12px);border-top:1px solid var(--header-border);background:#ffffffd9}.composer form{box-shadow:var(--shadow);background:#fff;border:1px solid #dbe0ea;border-radius:22px;align-items:flex-end;gap:9px;padding:6px 6px 6px 16px;display:flex}.composer textarea{resize:none;font:inherit;max-height:140px;color:var(--text);background:0 0;border:none;outline:none;flex:1;padding:6px 0;font-size:15px;line-height:1.45}.composer textarea::placeholder{color:#9aa2b1}.send{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;place-items:center;width:38px;height:38px;transition:background .15s,transform .1s;display:grid}.send:hover:not(:disabled){background:var(--accent-strong)}.send:active:not(:disabled){transform:scale(.94)}.send:disabled{cursor:default;background:#c3cbd9}.disclaimer{text-align:center;color:var(--text-muted);padding:8px 16px 0;font-size:11.5px}@media (max-width:640px){.bubble{max-width:84%}}