*{box-sizing:border-box;margin:0;padding:0}:root{--primary:#6200ee;--primary-light:#9c47ff;--primary-dark:#3700b3;--secondary:#03dac6;--error:#e53935;--warning:#ff9800;--success:#4caf50;--bg:#fafafa;--surface:#fff;--text:#1c1b1f;--text-secondary:#666;--border:#e0e0e0;--shadow:0 2px 8px #0000001a}body{background:var(--bg);color:var(--text);min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}#root{flex-direction:column;height:100dvh;display:flex}.app{flex-direction:column;height:100%;display:flex}.app-content{flex-direction:column;flex:1;display:flex;overflow:hidden}.bottom-nav{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;padding:4px 0;display:flex}.nav-item{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;padding:6px 0;font-size:11px;transition:color .2s;display:flex}.nav-item.active{color:var(--primary)}.nav-item 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.3s;display:flex}.mic-button:active{transform:scale(.95)}.mic-button.listening{background:#e5393566;border-color:#e53935;animation:1s ease-in-out infinite mic-pulse;box-shadow:0 0 30px #e5393580}.mic-button.speaking{background:#2196f34d;border-color:#2196f3}.mic-button.thinking{background:#ff98004d;border-color:#ff9800;animation:.8s ease-in-out infinite mic-pulse}@keyframes mic-pulse{0%,to{box-shadow:0 0 20px #e539354d}50%{box-shadow:0 0 40px #e5393599}}.control-btn{cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex}.control-btn.secondary{color:#fff;background:#ffffff1a}.text-input-bar{background:#0000004d;flex-shrink:0;gap:8px;padding:8px 12px 12px;display:flex}.text-input-bar input{color:#fff;background:#ffffff1a;border:1px solid #fff3;border-radius:24px;outline:none;flex:1;padding:10px 16px;font-size:14px}.text-input-bar input::placeholder{color:#fff6}.text-input-bar button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50%;width:44px;height:44px;font-size:18px}.auth-screen{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);justify-content:center;align-items:center;min-height:100dvh;padding:16px;display:flex}.auth-container{width:100%;max-width:380px}.auth-header{text-align:center;color:#fff;margin-bottom:24px}.auth-logo{background:var(--primary);color:#fff;border-radius:20px;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 12px;font-size:32px;font-weight:700;display:flex}.auth-header h1{margin-bottom:4px;font-size:24px}.auth-header p{color:#fff9;font-size:14px}.auth-card{background:var(--surface);border-radius:16px;padding:24px;box-shadow:0 8px 32px #0000004d}.auth-tabs{border:1px solid var(--border);border-radius:10px;gap:0;margin-bottom:20px;display:flex;overflow:hidden}.auth-tabs 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