.login-container{min-height:100vh;display:flex;justify-content:center;align-items:center}.login-box{background:#fff;padding:3rem;border-radius:15px;box-shadow:0 10px 40px #0003;text-align:center;min-width:350px}.login-box h1{color:#667eea;font-size:3rem;margin-bottom:.5rem}.login-box p{color:#666;margin-bottom:2rem}.login-box form{display:flex;flex-direction:column;gap:1rem}.login-box input{padding:1rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem}.login-box input:focus{outline:none;border-color:#667eea}.login-box button{padding:1rem;background:#667eea;color:#fff;border:none;border-radius:8px;font-size:1rem;cursor:pointer;transition:background .3s}.login-box button:hover:not(:disabled){background:#764ba2}.login-box button:disabled{opacity:.6;cursor:not-allowed}.error{color:#e74c3c;font-size:.9rem}.walkie-talkie{background:#fff;padding:3rem;border-radius:20px;box-shadow:0 10px 40px #0003;max-width:600px;width:100%;display:flex;flex-direction:column;gap:2rem}.persona-selector{display:flex;align-items:center;gap:1rem}.persona-selector label{font-weight:700;color:#333}.persona-selector select{flex:1;padding:.75rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem}.transcript-area{min-height:200px;background:#f5f5f5;padding:1.5rem;border-radius:10px;position:relative}.ai-indicator{position:absolute;top:1rem;right:1rem;background:#667eea;color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.9rem;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.transcript-area p{color:#333;line-height:1.6;font-size:1.1rem}.talk-button{padding:2rem;font-size:1.5rem;font-weight:700;border:none;border-radius:50%;width:200px;height:200px;margin:0 auto;cursor:pointer;background:#667eea;color:#fff;transition:all .3s;box-shadow:0 5px 20px #667eea66;touch-action:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.talk-button:hover:not(:disabled){transform:scale(1.05);box-shadow:0 8px 30px #667eea99}.talk-button:active:not(:disabled){transform:scale(.95)}.talk-button.recording{background:#e74c3c;animation:recording-pulse 1s infinite}@keyframes recording-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.talk-button:disabled{opacity:.5;cursor:not-allowed}@supports (-webkit-touch-callout: none){.walkie-talkie{-webkit-user-select:none;-webkit-touch-callout:none}.transcript-area{-webkit-overflow-scrolling:touch;overflow-y:auto}.persona-selector select{-webkit-appearance:none;-moz-appearance:none;appearance:none}}@media (max-width: 768px){.walkie-talkie{padding:1.5rem}.talk-button{width:180px;height:180px;font-size:1.3rem}.transcript-area{min-height:150px;padding:1rem}.transcript-area p{font-size:1rem;word-wrap:break-word}}.settings{background:#fff;padding:3rem;border-radius:20px;box-shadow:0 10px 40px #0003;max-width:800px;width:100%}.settings h2{color:#667eea;margin-bottom:2rem}.settings h3{color:#333;margin-bottom:1rem}.settings-section{margin-bottom:2rem;padding:1.5rem;background:#f9f9f9;border-radius:10px}.settings-section h3{margin-top:0;color:#667eea}.settings-section select{width:100%;padding:.75rem;font-size:1rem;border:2px solid #e0e0e0;border-radius:8px;background:#fff;cursor:pointer}.persona-list{margin-bottom:3rem}.persona-item{background:#f5f5f5;padding:1.5rem;border-radius:10px;margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center}.persona-item strong{display:block;color:#667eea;margin-bottom:.5rem}.persona-item p{color:#666;font-size:.9rem}.persona-item button{padding:.5rem 1rem;background:#e74c3c;color:#fff;border:none;border-radius:5px;cursor:pointer}.add-persona{border-top:2px solid #e0e0e0;padding-top:2rem}.add-persona input,.add-persona textarea{width:100%;padding:1rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;margin-bottom:1rem;font-family:inherit}.add-persona button{padding:1rem 2rem;background:#667eea;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1rem}.add-persona button:hover{background:#764ba2}.app{min-height:100vh;display:flex;flex-direction:column}header{background:#fffffff2;padding:1rem 2rem;box-shadow:0 2px 10px #0000001a;display:flex;justify-content:space-between;align-items:center}header h1{color:#667eea;font-size:2rem}nav{display:flex;gap:1rem}nav button{padding:.5rem 1.5rem;border:none;background:#667eea;color:#fff;border-radius:5px;cursor:pointer;font-size:1rem;transition:all .3s}nav button:hover{background:#764ba2}nav button.active{background:#764ba2}main{flex:1;display:flex;justify-content:center;align-items:center;padding:2rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}#root{min-height:100vh}