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#0ea5e91a}.input-box textarea::placeholder{color:var(--text-muted)}.send-btn{background:var(--sky-500);color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;padding:10px;transition:background .15s;display:flex;position:absolute;bottom:13px;right:13px}.send-btn:hover{background:var(--sky-600)}.messages{flex-direction:column;flex:1;align-items:center;gap:20px;padding:24px 16px;animation:.25s ease-out fadeIn;display:flex;overflow-y:auto}.message{gap:12px;width:100%;max-width:768px;animation:.3s ease-out both messageIn;display:flex}.message:first-child{animation-delay:30ms}.message:nth-child(2){animation-delay:.1s}.message:nth-child(3){animation-delay:.17s}.message:nth-child(4){animation-delay:.24s}@keyframes messageIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.message-user{justify-content:flex-end}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;min-width:32px;height:32px;display:flex}.message-user .message-avatar{background:var(--sky-100);color:var(--sky-600)}.message-ai .message-avatar{color:#16a34a;background:#f0fdf4}.message-content{border-radius:12px;padding:12px 16px;font-size:.9rem;line-height:1.65}.message-user .message-content{background:var(--sky-500);color:#fff;border-bottom-right-radius:4px}.message-ai .message-content{background:var(--sky-50);color:var(--text);border-bottom-left-radius:4px}.message-content p{margin:0}.message-content p+p{margin-top:8px}.chat-input-bar{justify-content:center;padding:12px 80px 124px;display:flex}.chat-input-bar .input-box{width:100%;max-width:768px}.layout{height:100vh;display:flex}.center{flex-direction:column;flex:1;min-width:0;display:flex}.center-header{align-items:center;gap:8px;padding:12px 16px;display:flex}.center-header .sidebar-toggle{opacity:0;pointer-events:none}.center-header .sidebar-toggle.visible{opacity:1;pointer-events:auto}.center-header-title{color:var(--text);font-size:3.63rem;font-weight:500;animation:.2s ease-out fadeIn}.chat-area{flex-direction:column;flex:1;display:flex;position:relative;overflow-y:auto}.right-panel{width:var(--right-panel-w);border-left:1px solid var(--border);background:var(--bg-sidebar);min-width:0;transition:width .2s;overflow:hidden}.fade-in{animation:.25s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{flex:1;justify-content:center;align-items:center;display:flex}.loading-spinner{border:3px solid var(--sky-200);border-top-color:var(--sky-500);border-radius:50%;width:28px;height:28px;animation:.6s linear infinite spin}