:root{--bg-color: #0d0d12;--card-bg: #1a1a20;--accent-color: #7c3aed;--accent-glow: rgba(124, 58, 237, .5);--text-primary: #ffffff;--text-secondary: #a1a1aa;--bubble-user: #2d2d35;--bubble-assistant: #7c3aed;--font-family: "Inter", system-ui, -apple-system, sans-serif}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}:root{--bg-color: #ffffff;--card-bg: #f8f9fa;--accent-color: #e0e0e0;--text-primary: #333333;--text-secondary: #666666;--bubble-user: #f0f0f0;--bubble-assistant: transparent;--font-family: "Inter", system-ui, -apple-system, sans-serif;--input-bg: #f4f4f4}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);overflow:hidden;height:100vh;width:100vw}*{box-sizing:border-box}.app-container{display:flex;flex-direction:column;height:100vh;max-width:900px;margin:0 auto;padding:0}.chat-header{display:none}.chat-window{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:30px;padding:40px 20px;scroll-behavior:smooth}.message-row{display:flex;gap:16px;animation:fadeIn .3s ease-out;align-items:flex-start}.message-row.user{flex-direction:row-reverse}.avatar{display:none}.message-row.user .message-bubble{background:var(--bubble-user);padding:12px 20px;border-radius:24px;font-size:1rem;color:var(--text-primary);max-width:80%;box-shadow:none}.message-row.assistant .message-bubble{background:transparent;padding:0;border-radius:0;font-size:1rem;line-height:1.6;color:var(--text-primary);max-width:100%;box-shadow:none}.audio-control{margin-top:12px;display:flex;align-items:center;gap:6px;cursor:pointer;color:var(--text-secondary);background:transparent;width:fit-content;font-size:.8rem}.audio-control:hover{color:var(--text-primary)}.input-area-wrapper{padding:20px;background:var(--bg-color)}.input-area{background:var(--input-bg);border-radius:30px;padding:10px 20px;display:flex;gap:12px;align-items:center;max-width:800px;margin:0 auto}.chat-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:1rem;font-family:inherit;outline:none;resize:none;max-height:100px;min-height:24px;padding:8px 0}.send-btn{background:#e0e0e0;border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;transition:all .2s}.send-btn:hover:not(:disabled){background:#d0d0d0}.mic-btn{background:transparent;border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all .2s}.mic-btn:hover{background:#0000000d;color:var(--text-primary)}.mic-btn.listening{color:#ef4444;background:#ef44441a;animation:pulse-red 1.5s infinite}.loading-indicator{display:flex;gap:4px;padding:8px 12px;background:transparent;border-radius:12px;width:fit-content}.dot{width:8px;height:8px;background-color:var(--text-secondary);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.dot:nth-child(1){animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@keyframes pulse-red{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 6px #ef444400}to{box-shadow:0 0 #ef444400}}.mic-btn.recording{color:#ef4444;background:#ef44441a}.pulse-icon{animation:pulse-red 1.5s infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.system-prompt-area{padding:10px 20px 0;width:100%;max-width:800px;margin:0 auto}.system-prompt-input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#19192399;color:#fff;resize:vertical;font-family:inherit;font-size:.9rem;transition:all .2s ease}.system-prompt-input:focus{outline:none;border-color:#646cff;background:#191923cc}.input-area-wrapper{flex-shrink:0}