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14px}.casper-ai-message-text{font-size:13px;line-height:1.6;color:var(--text-0);word-wrap:break-word}.casper-ai-message-user .casper-ai-message-text{color:var(--text-0)}.casper-ai-message-time{font-size:11px;color:var(--text-3);margin-top:6px}.casper-ai-message-loading .casper-ai-message-content{padding:10px 14px}.casper-ai-typing-indicator{display:flex;gap:4px;align-items:center;height:16px}.casper-ai-typing-indicator span{width:6px;height:6px;border-radius:50%;background:var(--primary);animation:bounce 1.4s infinite}.casper-ai-typing-indicator span:nth-child(1){animation-delay:0s}.casper-ai-typing-indicator span:nth-child(2){animation-delay:.2s}.casper-ai-typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{opacity:.3}30%{opacity:1}}.casper-ai-error{padding:12px 14px;background:var(--danger-soft);border:1px solid rgba(240,82,104,.3);border-radius:var(--radius-sm);color:var(--danger);font-size:13px;display:flex;align-items:flex-start;gap:8px}.casper-ai-error svg{flex-shrink:0;margin-top:2px}.casper-ai-input-section{flex-shrink:0;border-top:1px solid var(--border-soft);padding-top:16px;padding-bottom:8px}.casper-ai-input-wrapper{display:flex;gap:8px;align-items:flex-end}.casper-ai-input{flex:1;padding:10px 12px;background:var(--bg-2);border:1px solid var(--border-soft);border-radius:var(--radius-sm);color:var(--text-0);font-family:inherit;font-size:13px;line-height:1.5;resize:none;max-height:120px;transition:border-color .15s}.casper-ai-input:focus{outline:none;border-color:var(--primary);background:var(--bg-3)}.casper-ai-input::placeholder{color:var(--text-3)}.casper-ai-input:disabled{opacity:.6;cursor:not-allowed}.casper-ai-send-btn{flex-shrink:0;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,opacity .15s}.casper-ai-send-btn:hover:not(:disabled){background:var(--primary-hover)}.casper-ai-send-btn:disabled{opacity:.5;cursor:not-allowed}.casper-ai-input-hint{font-size:11px;color:var(--text-3);margin-top:8px;font-style:italic}@media(max-width:900px){.auth-layout{grid-template-columns:minmax(320px,400px);justify-content:center}.auth-guide-wrap{display:none}.sidebar{width:64px}.sidebar-brand-name,.sidebar-brand-sub,.nav-item span:not(.nav-badge),.nav-section-label,.sidebar-user-info,.powered-by{display:none}.nav-item,.sidebar-user{justify-content:center}.grid-2,.grid-3{grid-template-columns:1fr}.content{padding:16px}.topbar{padding:0 16px}.topbar-signal{display:none}}