*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .5);--text-primary: #f8fafc;--text-secondary: #94a3b8;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--success: #22c55e;--error: #ef4444}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}.app{width:100%;max-width:480px;padding:24px}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:24px;padding:48px 32px;display:flex;flex-direction:column;align-items:center;gap:32px;box-shadow:0 25px 50px -12px #00000080}.header{text-align:center}.header h1{font-size:28px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header p{color:var(--text-secondary);font-size:14px}.voice-button-container{position:relative}.voice-button{width:96px;height:96px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--accent),#4f46e5);color:#fff;font-size:36px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:0 10px 40px var(--accent-glow);position:relative;z-index:1}.voice-button:hover:not(:disabled){transform:scale(1.05);box-shadow:0 15px 50px var(--accent-glow)}.voice-button:active:not(:disabled){transform:scale(.95)}.voice-button:disabled{opacity:.6;cursor:not-allowed}.voice-button.listening{animation:pulse 1.5s ease-in-out infinite;background:linear-gradient(135deg,var(--error),#dc2626)}.voice-button.speaking{animation:glow 1s ease-in-out infinite alternate}.voice-button.thinking{background:linear-gradient(135deg,#f59e0b,#d97706)}@keyframes pulse{0%,to{box-shadow:0 0 #ef444466}50%{box-shadow:0 0 0 30px #ef444400}}@keyframes glow{0%{box-shadow:0 0 20px var(--accent-glow)}to{box-shadow:0 0 40px var(--accent-glow)}}.status{text-align:center;min-height:80px;display:flex;flex-direction:column;gap:8px}.status-text{font-size:16px;color:var(--text-secondary);transition:all .3s}.status-text.active{color:var(--accent);font-weight:500}.transcript{font-size:14px;color:var(--text-secondary);font-style:italic;max-width:300px;word-wrap:break-word;animation:fadeIn .3s ease}.response{font-size:14px;color:var(--text-primary);background:var(--bg-secondary);padding:16px;border-radius:12px;max-width:320px;word-wrap:break-word;line-height:1.5;animation:fadeIn .3s ease}.error{color:var(--error);font-size:14px;padding:12px 16px;background:#ef44441a;border-radius:8px;animation:fadeIn .3s ease}.hint{font-size:12px;color:var(--text-secondary);text-align:center}.wave{position:absolute;width:120px;height:120px;border-radius:50%;border:2px solid var(--error);opacity:0;pointer-events:none;top:50%;left:50%;transform:translate(-50%,-50%)}.wave.active{animation:wave 1.5s ease-out infinite}.wave:nth-child(2){animation-delay:.5s}@keyframes wave{0%{transform:translate(-50%,-50%) scale(1);opacity:.6}to{transform:translate(-50%,-50%) scale(1.8);opacity:0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.led-container{display:flex;align-items:center;gap:8px}.led{width:8px;height:8px;border-radius:50%;background:var(--text-secondary);transition:all .3s}.led.active{background:var(--success);box-shadow:0 0 10px var(--success)}.unsupported{text-align:center;padding:48px}.unsupported h2{color:var(--error);margin-bottom:16px}.unsupported p{color:var(--text-secondary)}@media (max-width: 480px){.app{padding:16px}.glass-card{padding:32px 24px}.header h1{font-size:24px}}.glass-card.login{text-align:center}.glass-card.login h2{margin-bottom:8px;color:var(--text-primary)}.glass-card.login .subtitle{color:var(--text-secondary);margin-bottom:24px}.auth-form{display:flex;flex-direction:column;gap:16px;width:100%;max-width:280px}.auth-form input{padding:14px 16px;border-radius:12px;border:1px solid var(--glass-border);background:var(--bg-secondary);color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.auth-form input:focus{border-color:var(--accent)}.password-input-wrapper{position:relative;width:100%}.password-input-wrapper input{width:100%;padding-right:48px}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;transition:color .2s}.password-toggle:hover{color:var(--text-primary)}.auth-form button{padding:8px;border-radius:12px;border:none;background:var(--accent);color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.auth-form button:hover:not(:disabled){background:#4f46e5}.auth-form button:disabled{opacity:.6;cursor:not-allowed}.toggle{margin-top:16px;color:var(--text-secondary);font-size:13px}.toggle button{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;text-decoration:underline}.glass-card.user-bar{flex-direction:row;justify-content:space-between;align-items:center;padding:16px 24px}.logout-btn{padding:8px 16px;border-radius:8px;border:1px solid var(--glass-border);background:transparent;color:var(--text-secondary);font-size:12px;cursor:pointer}.logout-btn:hover{background:var(--bg-secondary)}.led.idle{background:var(--text-secondary)}.led.listening{background:#f59e0b;box-shadow:0 0 10px #f59e0b}.led.thinking{background:#3b82f6;box-shadow:0 0 10px #3b82f6}.led.speaking{background:var(--success);box-shadow:0 0 10px var(--success)}.led.error{background:var(--error);box-shadow:0 0 10px var(--error)}