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typing-bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}.chat__error{margin:0;padding:8px 16px;background:#fdecea;color:#b71c1c;font-size:.8rem}.chat__input{display:flex;gap:8px;padding:12px;background:var(--assistant-bg);border-top:1px solid var(--assistant-border)}.chat__field{flex:1;padding:10px 14px;border:1px solid var(--assistant-border);border-radius:20px;font-size:.95rem;outline:none}.chat__field:focus{border-color:var(--user-bg)}.chat__send{width:40px;height:40px;flex-shrink:0;border:none;border-radius:50%;background:var(--user-bg);color:var(--user-text);font-size:1.1rem;cursor:pointer;transition:opacity .15s ease}.chat__send:disabled{opacity:.4;cursor:default}@media (min-width: 640px){.chat{height:100vh}}