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16px);width:54px;height:54px;border-radius:18px;border:0;background:var(--accent-grad);color:#fff;box-shadow:var(--glow);display:none;place-items:center;z-index:400;cursor:pointer}.fab-new:active{transform:scale(.94)}.login{display:grid;place-items:center;min-height:100%;padding:24px 20px calc(24px + var(--safe-b));background:radial-gradient(ellipse at 50% -10%,rgba(139,120,255,.22),transparent 60%),var(--ink)}.login .card{width:min(380px,100%);padding:30px 26px;border-radius:var(--r-xl);background:#17171fcc}.login .logo{width:64px;height:64px;border-radius:17px;margin:0 auto 16px;display:block;box-shadow:var(--glow)}.login h1{text-align:center;font-size:24px}.login p{text-align:center}@media(max-width:991.98px){.shell{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr)}.sidebar{display:none}.main{grid-row:2;padding-bottom:calc(var(--tab-h) + var(--safe-b))}.appbar{display:flex;grid-row:1;align-items:center;gap:4px;height:calc(var(--bar-h) + var(--safe-t));padding:var(--safe-t) 6px 0 8px;background:var(--glass);backdrop-filter:saturate(160%) blur(20px);-webkit-backdrop-filter:saturate(160%) blur(20px);border-bottom:1px solid transparent;position:relative;z-index:500;transition:border-color .2s}.appbar.scrolled{border-bottom-color:var(--line)}.appbar .bar-title{flex:1;min-width:0;font-weight:650;font-size:16.5px;letter-spacing:-.015em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;transform:translateY(6px);transition:opacity .2s,transform .25s var(--ease-out);padding-left:4px}.appbar.scrolled .bar-title,.appbar.always .bar-title{opacity:1;transform:none}.appbar .bar-brand{width:28px;height:28px;border-radius:8px;margin:0 6px;background:url(/icons/icon-192.png) center/cover;flex:none}.tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:510;height:calc(var(--tab-h) + var(--safe-b));padding:0 6px var(--safe-b);background:var(--glass-solid);border-top:1px solid var(--line)}.tabbar a,.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-faint);font:inherit;font-size:10.5px;font-weight:560;background:none;border:0;cursor:pointer;position:relative;transition:color .15s;letter-spacing:0}.tabbar a.active,.tabbar button.active{color:var(--text)}.tabbar a.active .icon{color:var(--accent)}.tabbar a:active .icon,.tabbar button:active .icon{transform:scale(.88)}.tabbar .icon{transition:transform .15s var(--ease-out)}.tabbar .tab-badge{position:absolute;top:6px;left:calc(50% + 6px);min-width:17px;height:17px;border-radius:99px;background:var(--bad);color:#fff;font-size:10.5px;font-weight:700;display:grid;place-items:center;padding:0 4px;box-shadow:0 0 0 2px var(--ink)}.tabbar:after{content:"";position:absolute;left:0;right:0;top:100%;height:64px;background:var(--glass-solid);pointer-events:none}.tabbar .tab-ask{flex:none;width:64px}.tabbar .tab-ask span.ask-btn{width:50px;height:50px;border-radius:17px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;box-shadow:var(--glow);margin-top:-18px;transition:transform .15s var(--ease-out)}.tabbar .tab-ask:active span.ask-btn{transform:scale(.92)}.page{padding:10px 16px 28px}h1{font-size:30px}.page-head{margin-bottom:16px}.page-head>.btn:not(.keep){display:none}.card{border-radius:var(--r-lg);padding:16px}.grid.two{grid-template-columns:1fr}.grid.stats{grid-template-columns:repeat(2,1fr);gap:10px}.split,.chat-wrap{grid-template-columns:1fr}.split.has-detail>.left,.chat-wrap>.conv-list{display:none}.split:not(.has-detail)>.right{display:none}.split>.left{background:transparent;border:0}.chat-scroll{padding:16px}.composer{padding:10px 12px;position:sticky;bottom:0}.bubble{max-width:88%}.fab-new{display:grid}.modal-bg{align-items:end;padding:0}.modal{border-radius:var(--r-xl) var(--r-xl) 0 0;padding-bottom:calc(22px + var(--safe-b));max-height:88dvh}.hide-mobile{display:none!important}}@media(min-width:992px){.hide-desktop{display:none!important}.toast{bottom:24px}}.progress{height:8px;border-radius:99px;background:var(--panel-2);overflow:hidden;position:relative}.progress>span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),#c05cf0);transition:width .6s ease}.progress.indeterminate>span{position:absolute;width:35%;animation:slide 1.4s ease-in-out infinite}@keyframes slide{0%{left:-35%}to{left:100%}}.sync-box{margin-top:8px;display:flex;flex-direction:column;gap:4px;max-width:520px}