:root{--bg: #0a0a1a;--bg-card: #1a1a2e;--bg-card2: #16213e;--accent: #7c3aed;--accent-2: #2563eb;--accent-glow: rgba(124, 58, 237, .35);--text: #e2e8f0;--text-dim: #94a3b8;--text-muted: #475569;--border: rgba(255, 255, 255, .07);--radius: 12px;--radius-lg: 20px;--shadow: 0 4px 24px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6;overflow:hidden}button{cursor:pointer;font-family:inherit;border:none;background:none}.app{display:flex;flex-direction:column;height:100vh;max-width:680px;margin:0 auto;padding:0}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--bg-card);flex-shrink:0}.app-brand{display:flex;align-items:center;gap:8px}.app-logo{font-size:1.5rem}.app-title{font-size:1.2rem;font-weight:700;background:linear-gradient(135deg,#a78bfa,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.01em}.header-right{display:flex;align-items:center;gap:10px}.level-badge{font-size:.72rem;font-weight:600;color:#a78bfa;background:#7c3aed26;border:1px solid rgba(124,58,237,.3);border-radius:20px;padding:3px 10px;white-space:nowrap}.app-main{display:flex;flex-direction:column;flex:1;overflow:hidden}.avatar-section{display:flex;justify-content:center;padding:24px 0 16px;flex-shrink:0}.conversation-section{flex:1;overflow-y:auto;padding:0 16px;scrollbar-width:thin;scrollbar-color:var(--text-muted) transparent}.conversation-section::-webkit-scrollbar{width:4px}.conversation-section::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:2px}.app-footer{padding:16px 20px 24px;display:flex;justify-content:center;border-top:1px solid var(--border);flex-shrink:0;background:var(--bg-card)}.language-selector{position:relative;display:flex;align-items:center}.lang-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-card2);border:1.5px solid var(--border);border-radius:999px;color:var(--text);font-size:.88rem;padding:6px 32px 6px 34px;cursor:pointer;outline:none;transition:border-color .15s}.lang-select:hover:not(:disabled),.lang-select:focus{border-color:var(--accent)}.lang-select:disabled{opacity:.5;cursor:not-allowed}.lang-select-flag{position:absolute;left:10px;pointer-events:none;font-size:1rem;line-height:1}.record-button-area{display:flex;flex-direction:column;align-items:center;gap:8px}.record-btn{width:80px;height:80px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px var(--accent-glow),var(--shadow);transition:transform .15s ease,box-shadow .15s ease,background .2s ease;position:relative}.record-btn:hover:not(:disabled){transform:scale(1.07);box-shadow:0 6px 28px #7c3aed8c,var(--shadow)}.record-btn:active:not(:disabled){transform:scale(.96)}.record-btn:disabled{opacity:.45;cursor:not-allowed}.record-btn--recording{background:#dc2626;box-shadow:0 4px 20px #dc262680,var(--shadow);animation:recording-pulse 1.2s ease-in-out infinite}.record-btn--processing{background:var(--accent-2);box-shadow:0 4px 20px #2563eb66,var(--shadow)}.record-icon{width:34px;height:34px}.spinner-icon{animation:spin 1s linear infinite}@keyframes recording-pulse{0%,to{box-shadow:0 4px 20px #dc262680}50%{box-shadow:0 4px 36px #dc2626cc}}@keyframes spin{to{transform:rotate(360deg)}}.record-label{font-size:.72rem;color:var(--text-dim);text-align:center;max-width:160px}.conversation-empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-dim);text-align:center;font-size:.92rem;padding:20px}.conversation-view{display:flex;flex-direction:column;gap:12px;padding-bottom:12px}.message{display:flex}.message--user{justify-content:flex-end}.message--assistant{justify-content:flex-start}.message-bubble{max-width:78%;border-radius:var(--radius-lg);padding:12px 16px;font-size:.92rem;line-height:1.5}.message-bubble--user{background:var(--bg-card2);color:var(--text);border-bottom-right-radius:4px;border:1px solid var(--border)}.message-bubble--interim{opacity:.6;font-style:italic;border-style:dashed}.message-bubble--assistant{background:var(--bg-card);color:var(--text);border-bottom-left-radius:4px;border:1px solid rgba(124,58,237,.2)}.message-response{margin-bottom:0}.message-feedback{border-top:1px solid var(--border);font-size:.8rem;color:#93c5fd;font-style:italic;background:#2563eb14;border-radius:8px;padding:8px 10px;margin-top:10px}.error-banner{background:#dc26261f;border:1px solid rgba(220,38,38,.3);border-radius:var(--radius);color:#fca5a5;font-size:.85rem;padding:10px 14px;margin-bottom:12px;text-align:center}.start-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:100}.start-card{display:flex;flex-direction:column;align-items:center;gap:18px;padding:40px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:24px;max-width:340px;width:90%;text-align:center}.start-logo{font-size:3rem}.start-title{font-size:2rem;font-weight:800;background:linear-gradient(135deg,#a78bfa,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.start-subtitle{color:var(--text-muted);font-size:.95rem;margin:0}.start-lang-picker{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.start-lang-btn{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:20px;padding:7px 16px;font-size:.9rem;cursor:pointer;transition:all .15s}.start-lang-btn:hover{border-color:var(--accent)}.start-lang-btn--active{background:#7c3aed33;border-color:var(--accent);color:#a78bfa}.start-name-input{width:100%;box-sizing:border-box;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:.95rem;padding:10px 14px;outline:none;transition:border-color .15s}.start-name-input:focus{border-color:var(--accent)}.start-name-input::placeholder{color:var(--text-muted)}.start-btn{background:linear-gradient(135deg,#7c3aed,#2563eb);color:#fff;border:none;border-radius:14px;padding:14px 32px;font-size:1.05rem;font-weight:600;cursor:pointer;width:100%;transition:opacity .15s}.start-btn:hover{opacity:.9}.avatar-container{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;width:180px;height:180px;margin:0 auto}.avatar-ring{position:absolute;border-radius:50%;opacity:0;pointer-events:none}.avatar-ring-1{width:170px;height:170px;border:2px solid rgba(124,58,237,.6)}.avatar-ring-2{width:200px;height:200px;border:2px solid rgba(37,99,235,.4)}.avatar-ring-3{width:230px;height:230px;border:2px solid rgba(124,58,237,.2)}.avatar-face{width:150px;height:150px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#9f67fa,#5b21b6 60%,#3730a3);box-shadow:0 0 30px #7c3aed80,0 8px 32px #0006;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;z-index:2;transition:box-shadow .3s ease}.avatar-eyes{display:flex;gap:22px;margin-bottom:10px}.avatar-eye{width:16px;height:16px;background:#fff;border-radius:50%;position:relative;overflow:hidden;transition:transform .2s ease}.avatar-eye:after{content:"";position:absolute;width:8px;height:8px;background:#1e1b4b;border-radius:50%;top:4px;left:4px}.avatar-mouth{width:44px;height:22px;position:relative;overflow:hidden}.avatar-mouth-inner{width:44px;height:44px;border:3px solid #fff;border-radius:50%;position:absolute;bottom:0;left:0;transition:transform .2s ease}.avatar-cheek{position:absolute;width:18px;height:10px;background:#ffb6c159;border-radius:50%;bottom:40px}.avatar-cheek-left{left:24px}.avatar-cheek-right{right:24px}.avatar-idle .avatar-face{animation:float 4s ease-in-out infinite}.avatar-idle .avatar-ring{opacity:0}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.avatar-listening .avatar-face{animation:float 4s ease-in-out infinite;box-shadow:0 0 50px #7c3aedcc,0 8px 32px #0006}.avatar-listening .avatar-ring-1{animation:pulse-ring 1.4s ease-out infinite}.avatar-listening .avatar-ring-2{animation:pulse-ring 1.4s ease-out .35s infinite}.avatar-listening .avatar-ring-3{animation:pulse-ring 1.4s ease-out .7s infinite}.avatar-listening .avatar-eye{transform:scaleY(1.15)}@keyframes pulse-ring{0%{transform:scale(.85);opacity:.8}to{transform:scale(1.15);opacity:0}}.avatar-talking .avatar-face{animation:talk-bounce .5s ease-in-out infinite alternate}.avatar-talking .avatar-ring-1{animation:talk-glow .6s ease-in-out infinite alternate;opacity:.5}.avatar-talking .avatar-mouth-inner{animation:mouth-move .25s ease-in-out infinite alternate}@keyframes talk-bounce{0%{transform:translateY(0) scale(1)}to{transform:translateY(-5px) scale(1.02)}}@keyframes talk-glow{0%{opacity:.2;transform:scale(.95)}to{opacity:.7;transform:scale(1.05)}}@keyframes mouth-move{0%{transform:scaleY(.3) translateY(4px)}to{transform:scaleY(1) translateY(0)}}.avatar-label{margin-top:14px;font-size:.75rem;color:#e2e8f080;letter-spacing:.08em;text-transform:uppercase;height:16px;transition:opacity .3s}