@import"https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Noto+Sans+SC:wght@300;400;500&display=swap";:root{--bg-deep: #0d0d0d;--bg-primary: #141414;--bg-elevated: #1c1c1c;--bg-input: #232323;--text-primary: #e8e4dc;--text-secondary: #8a8680;--text-muted: #5a5650;--accent: #c73e3a;--accent-glow: rgba(199, 62, 58, .3);--border: #2a2826;--border-light: #3a3836;--success: #4a9c6d;--error: #c73e3a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-deep);color:var(--text-primary);min-height:100vh;line-height:1.6}::selection{background:var(--accent);color:#fff}.app{min-height:100vh;display:flex;flex-direction:column}.header{padding:2rem 3rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:1rem}.logo{width:36px;height:36px;display:flex;align-items:center;justify-content:center}.logo svg{width:100%;height:100%}.title{font-family:"Noto Serif 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var(--border);display:flex;align-items:center;gap:1rem;background:var(--bg-primary)}.send-btn{padding:.85rem 2.5rem;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:.9rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.send-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.send-btn:hover:not(:disabled):before{left:100%}.send-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow)}.send-btn:active:not(:disabled){transform:translateY(0)}.send-btn:disabled{opacity:.6;cursor:not-allowed}.send-btn.sending{background:var(--text-muted)}.clear-btn{padding:.85rem 1.5rem;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:6px;font-size:.85rem;font-family:inherit;cursor:pointer;transition:all .2s}.clear-btn:hover{border-color:var(--border-light);color:var(--text-secondary)}.hint{margin-left:auto;font-size:.75rem;color:var(--text-muted)}.response-area{flex:1;display:flex;flex-direction:column}.response-placeholder{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);font-size:.9rem}.response-placeholder svg{width:48px;height:48px;margin-bottom:1rem;opacity:.3}.response-wrapper{display:flex;flex-direction:column;gap:.75rem}.thinking-section{background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;overflow:hidden}.thinking-toggle{width:100%;display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:transparent;border:none;color:var(--text-muted);font-size:.8rem;font-family:inherit;cursor:pointer;transition:color .2s}.thinking-toggle:hover{color:var(--text-secondary)}.thinking-icon{font-size:.7rem;width:12px}.thinking-content{padding:1rem;font-size:.85rem;line-height:1.7;color:var(--text-muted);white-space:pre-wrap;word-wrap:break-word;margin:0;border-top:1px solid var(--border)}.response-content{background:var(--bg-input);border:1px solid var(--border);border-radius:8px;padding:1.25rem;font-size:.95rem;line-height:1.8;white-space:pre-wrap;word-wrap:break-word;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.error-message{padding:1rem;background:rgba(199,62,58,.1);border:1px solid var(--accent);border-radius:8px;color:var(--error);font-size:.85rem;animation:shake .4s ease-out}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}.loading-indicator{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.loading-dots{display:flex;gap:6px}.loading-dots span{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 1.4s infinite ease-in-out}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.loading-text{font-size:.85rem;color:var(--text-muted)}@media (max-width: 768px){.main{grid-template-columns:1fr}.panel-left{border-right:none;border-bottom:1px solid var(--border)}.header,.panel{padding:1.5rem}.footer{padding:1rem 1.5rem;flex-wrap:wrap}.subtitle,.logout-btn{display:none}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.login-card{width:100%;max-width:360px;padding:2.5rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:12px;animation:fadeIn .5s ease-out}.login-logo{width:48px;height:48px;margin:0 auto 1.5rem}.login-logo svg{width:100%;height:100%}.login-title{font-family:"Noto Serif SC",serif;font-size:1.5rem;font-weight:600;color:var(--text-primary);text-align:center;margin:0 0 .5rem;letter-spacing:.05em}.login-subtitle{font-size:.85rem;color:var(--text-muted);text-align:center;margin:0 0 2rem}.login-field{margin-bottom:1rem}.login-field input{width:100%;padding:.85rem 1rem;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:.95rem;font-family:inherit;transition:border-color .2s,box-shadow .2s}.login-field input::placeholder{color:var(--text-muted)}.login-field input:focus{outline:none;border-color:var(--border-light);box-shadow:0 0 0 3px var(--accent-glow)}.login-error{padding:.75rem;margin-bottom:1rem;background:rgba(199,62,58,.1);border:1px solid var(--accent);border-radius:8px;color:var(--error);font-size:.85rem;text-align:center}.login-btn{width:100%;padding:.85rem;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .2s}.login-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.logout-btn{margin-left:1rem;padding:.4rem .8rem;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:4px;font-size:.75rem;font-family:inherit;cursor:pointer;transition:all .2s}.logout-btn:hover{border-color:var(--border-light);color:var(--text-secondary)}