body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0f172a;color:#e5e7eb}.app-root{display:flex;gap:24px;padding:24px;box-sizing:border-box;max-width:1200px;margin:0 auto}.control-panel,.chat-panel{background:#0f172ae6;border-radius:16px;padding:16px 20px;box-shadow:0 10px 30px #0f172ab3;border:1px solid rgba(148,163,184,.4)}.control-panel{flex:0 0 320px}.chat-panel{flex:1;display:flex;flex-direction:column}h2{margin-top:0;margin-bottom:12px}.control-row{display:flex;gap:12px;margin-bottom:12px;flex-wrap:wrap}button{background:linear-gradient(135deg,#22c55e,#16a34a);border:none;color:#0f172a;font-weight:600;padding:8px 14px;border-radius:999px;cursor:pointer;transition:transform .08s ease,box-shadow .08s ease,opacity .2s ease;box-shadow:0 8px 18px #16a34a66}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 26px #16a34a80}button:disabled{opacity:.5;cursor:default;box-shadow:none}input[type=text]{background:#0f172ae6;border-radius:999px;border:1px solid rgba(148,163,184,.6);padding:8px 12px;color:#e5e7eb;min-width:0}label{display:flex;align-items:center;gap:6px;font-size:.9rem}.chat-history{flex:1;background:#0f172ab3;border-radius:12px;padding:12px;overflow-y:auto;border:1px solid rgba(30,64,175,.6);margin-bottom:10px}.chat-message{margin-bottom:8px;padding:6px 10px;border-radius:999px;font-size:.9rem}.chat-user{background:#3b82f633;align-self:flex-end}.chat-assistant{background:#22c55e26;align-self:flex-start}.chat-assistant.partial{opacity:.8;font-style:italic}.chat-input-row{display:flex;gap:8px}@media(max-width:900px){.app-root{flex-direction:column}.control-panel{flex:1}}