:root{--bg-color: #0d1117;--card-bg: #161b22;--accent-color: #58a6ff;--text-primary: #e6edf3;--text-secondary: #8b949e;--border-color: #30363d;--input-bg: #010409;--success-color: #238636;--glass-bg: rgba(22, 27, 34, .7);--avatar-size: 380px}*{box-sizing:border-box}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;height:100vh;display:flex;justify-content:center;align-items:center;overflow:hidden}.app-container{display:flex;flex-direction:column;width:100%;max-width:1000px;height:90vh;background:var(--card-bg);border-radius:20px;box-shadow:0 20px 50px #00000080;overflow:hidden;border:1px solid var(--border-color)}header{height:60px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;border-bottom:1px solid var(--border-color);background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}header h2{font-size:16px;font-weight:600;margin:0;color:var(--text-primary)}.status-indicator{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.status-dot{width:8px;height:8px;background-color:var(--success-color);border-radius:50%;box-shadow:0 0 8px #23863666;transition:background-color .3s ease}main{flex:1;display:flex;overflow:hidden}.avatar-section{flex:1;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#1f252f,#161b22 70%);position:relative}.chat-section{width:400px;display:flex;flex-direction:column;border-left:1px solid var(--border-color);background:var(--input-bg)}#avatar{width:var(--avatar-size);height:var(--avatar-size);position:relative;border-radius:50%;overflow:hidden;box-shadow:0 10px 40px #0006;border:4px solid var(--border-color);transition:transform .1s ease-out}#avatar img{position:absolute;width:100%;height:100%;left:0;top:0;object-fit:cover;pointer-events:none;transition:opacity .07s linear}#base{z-index:1}#emotion{z-index:2;clip-path:polygon(0% 0%,100% 0%,100% 60%,0% 60%,0% 100%,100% 100%,100% 80%,0% 80%);-webkit-clip-path:polygon(0% 0%,100% 0%,100% 60%,0% 60%,0% 100%,100% 100%,100% 80%,0% 80%)}#viseme{z-index:10;opacity:0}#blink{z-index:11;transition:opacity .05s ease-out}.speaking #emotion{opacity:.8}.chat-log{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.chat-log::-webkit-scrollbar{width:6px}.chat-log::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:3px}.welcome-message{text-align:center;color:var(--text-secondary);font-size:14px;margin-top:20px}.message-user{align-self:flex-end;background:var(--accent-color);color:#fff;padding:10px 16px;border-radius:12px 12px 0;max-width:85%;font-size:14px;line-height:1.4;word-wrap:break-word}.message-bot{align-self:flex-start;background:var(--card-bg);border:1px solid var(--border-color);color:var(--text-primary);padding:10px 16px;border-radius:12px 12px 12px 0;max-width:85%;font-size:14px;line-height:1.4;word-wrap:break-word}.controls-area{padding:20px;border-top:1px solid var(--border-color);background:var(--card-bg)}.input-wrapper{display:flex;gap:10px;background:var(--input-bg);padding:8px;border:1px solid var(--border-color);border-radius:10px;transition:border-color .2s}.input-wrapper:focus-within{border-color:var(--accent-color)}#text{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:14px;padding:0 12px;outline:none;font-family:inherit}#text::placeholder{color:#484f58}#send{background:var(--accent-color);border:none;width:40px;height:40px;border-radius:8px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s}#send:hover{background-color:#4a8dce}@media (max-width: 768px){.app-container{height:100vh;border-radius:0;border:none}main{flex-direction:column}.avatar-section{flex:1.2}.chat-section{width:100%;height:40%;border-left:none;border-top:1px solid var(--border-color)}:root{--avatar-size: 280px}}