.chat-container{color:#e5e7eb;background:#0b1220;border:1px solid #ffffff14;border-radius:14px;flex-direction:column;max-width:900px;height:calc(100vh - 64px);margin:32px auto;padding:18px 18px 14px;display:flex;box-shadow:0 12px 30px #00000059}.chat-header{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;gap:12px;padding:6px 4px 14px;display:flex}.chat-header h1{letter-spacing:.04em;margin:0;font-size:18px}.export-btn{color:#e5e7eb;cursor:pointer;background:#ffffff14;border:1px solid #ffffff1a;border-radius:10px;padding:8px 12px}.export-btn:hover{background:#ffffff1f}.messages-window{flex-direction:column;flex:1;gap:10px;padding:16px 6px;display:flex;overflow-y:auto}.messages-window::-webkit-scrollbar{width:10px}.messages-window::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:999px}.messages-window::-webkit-scrollbar-track{background:0 0}.message-row{width:100%;display:flex}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-row.system{justify-content:center}.bubble{background:#ffffff0f;border:1px solid #ffffff1a;border-radius:14px;max-width:min(720px,82%);padding:10px 12px;line-height:1.35}.message-row.user .bubble{background:#3b82f638;border-color:#3b82f647}.message-row.assistant .bubble{background:#ffffff0f;border-color:#ffffff1a}.message-row.system .bubble{background:#ffffff0a;border-color:#ffffff14;max-width:90%}.sender-label{letter-spacing:.06em;text-transform:uppercase;color:#e5e7eba6;margin-bottom:6px;font-size:11px}.text-content{white-space:pre-wrap;overflow-wrap:anywhere;color:#e5e7eb;font-size:15px}.input-row{border-top:1px solid #ffffff14;gap:10px;padding:12px 4px 4px;display:flex}.input-row input{color:#e5e7eb;background:#070d18;border:1px solid #ffffff1f;border-radius:12px;outline:none;flex:1;padding:12px;font-size:15px}.input-row input::placeholder{color:#e5e7eb73}.input-row input:focus{border-color:#3b82f68c;box-shadow:0 0 0 3px #3b82f629}.input-row button{cursor:pointer;color:#fff;background:#2563eb;border:none;border-radius:12px;padding:12px 16px;font-size:15px}.input-row button:disabled{opacity:.5;cursor:not-allowed}.input-row button:hover:not(:disabled){background:#1d4ed8}.error{color:#fca5a5;margin-top:10px;font-size:13px}