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12px}.chat-msg.user .chat-msg-bubble{background:var(--teal);color:#fff;border-radius:12px 4px 12px 12px;font-weight:500}.chat-msg-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;margin-top:2px;font-size:12px;display:flex}.chat-msg.ai .chat-msg-icon{background:var(--gray-100)}.chat-msg.user .chat-msg-icon{background:var(--teal-light)}.chat-typing{gap:4px;padding:10px 13px;display:flex}.typing-dot{background:var(--gray-300);border-radius:50%;width:6px;height:6px;animation:1.2s infinite bounce}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-5px)}}.chat-input-area{border-top:1px solid var(--gray-100);align-items:flex-end;gap:8px;padding:10px 14px;display:flex}.chat-input-field{border:1px solid var(--gray-200);color:var(--gray-700);resize:none;border-radius:8px;outline:none;flex:1;min-height:38px;max-height:96px;padding:9px 12px;font-family:Plus Jakarta Sans,sans-serif;font-size:13px;transition:border-color .15s}.chat-input-field:focus{border-color:var(--teal)}.chat-input-field::placeholder{color:var(--gray-300)}.chat-send-btn{background:var(--teal);color:#fff;cursor:pointer;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;transition:background .15s;display:flex}.chat-send-btn:hover{background:#0b7a72}.chat-send-btn:disabled{opacity:.4;cursor:default}@media (max-width:900px){.sidebar{display:none}.main-content{padding:24px 18px 72px}.tool-grid,.workflow-grid{grid-template-columns:1fr}.chat-window{width:calc(100vw - 28px);right:14px}}