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#sidebar{transform:translate(0)}#sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:49}#app.sidebar-open #sidebar-backdrop{display:block}}#sidebar-top{padding:10px 10px 6px;display:flex;flex-direction:column;gap:8px}#sidebar-top-row{display:flex;align-items:center;gap:6px}#sidebar-top-row #new-chat-btn{flex:1}#sidebar-close-btn{display:none;width:32px;height:32px;flex-shrink:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:none;color:var(--text-2);cursor:pointer;align-items:center;justify-content:center;transition:color .15s,background .15s}#sidebar-close-btn:hover{color:var(--text);background:#ffffff0f}#sidebar-close-btn .material-icons{font-size:20px}@media (max-width: 768px){#sidebar-close-btn{display:flex}}#new-chat-btn{width:100%;display:flex;align-items:center;gap:8px;padding:8px 10px;background:none;border:1px solid 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.conv-item-dot{opacity:1}.conv-item-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.conv-delete{flex-shrink:0;width:18px;height:18px;border-radius:4px;border:none;background:#dc2626;color:#fff;font-size:13px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center;padding:0}.conv-item:hover .conv-delete{display:flex}#sidebar-bottom{padding:8px;border-top:1px solid var(--border);display:flex;align-items:center;gap:4px}#profile-btn{flex:1;display:flex;align-items:center;gap:10px;padding:8px 10px;background:none;border:none;border-radius:var(--radius-sm);color:var(--text-2);font-size:14px;cursor:pointer;transition:background .1s,color .1s;min-width:0}#profile-btn:hover{background:#ffffff0d;color:var(--text)}#logout-btn{flex-shrink:0;width:32px;height:32px;border-radius:var(--radius-sm);border:none;background:none;color:var(--text-3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .15s,background .15s}#logout-btn:hover{color:var(--danger);background:#ef444414}#logout-btn .material-icons{font-size:18px}#user-avatar-small{width:28px;height:28px;border-radius:50%;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;overflow:hidden;flex-shrink:0}#user-avatar-small img{width:100%;height:100%;object-fit:cover}#sidebar-username{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#messages{flex:1;overflow-y:auto;padding:16px 0;display:flex;flex-direction:column;align-items:center;gap:4px}#empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-3);padding:60px 40px;flex:1;width:100%}#empty-crystal-avatar{width:72px;height:72px;border-radius:50%;box-shadow:0 0 28px #8b5cf647;background:url(/crystal.png) center/cover 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#32285a;border-bottom-right-radius:4px;color:var(--text)}.crystal-content{width:100%;font-size:15px;line-height:1.65;color:var(--text);white-space:pre-wrap;word-break:break-word;font-family:Fraunces,Georgia,Times New Roman,serif;font-weight:400}.search-indicator{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);padding-top:4px}.search-indicator .material-icons{font-size:15px}.typing-indicator span{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--text-3);animation:blink 1.2s infinite;margin:0 1px}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}#input-area{padding:8px 24px 16px;flex-shrink:0;display:flex;flex-direction:column;align-items:center}#input-wrap{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:8px 10px;transition:border-color .2s;width:100%;max-width:780px}#input-wrap:focus-within{border-color:#8b5cf680}#message-input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:16px;line-height:1.5;resize:none;max-height:160px;overflow-y:auto;font-family:inherit}#message-input::placeholder{color:var(--text-3)}.attach-wrap{position:relative;flex-shrink:0}#attach-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:none;color:var(--text-3);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .15s,border-color .15s}#attach-btn:disabled{opacity:.25;cursor:default}#attach-btn:not(:disabled):hover{color:var(--text-2);border-color:var(--accent)}#attach-btn .material-icons{font-size:18px}.attach-menu{position:absolute;bottom:calc(100% + 8px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;z-index:200;min-width:130px;box-shadow:0 4px 20px #0006}.attach-menu 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