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button{border:0;border-radius:12px;padding:0 18px;background:linear-gradient(180deg,#2f6bff,#245af0);color:#fff;font-weight:700;cursor:pointer}.chat-input-wrap button:disabled{opacity:.45;cursor:not-allowed}@media(max-width:1500px){.top h2{font-size:24px}.tile strong{font-size:34px}.tile small{font-size:15px}.panel h3{font-size:31px}}@media(max-width:1200px){.dash-shell{grid-template-columns:92px 1fr}.logo{font-size:12px;line-height:1.4;padding-left:2px}.menu-item{font-size:0;height:44px;padding:0}.cards4{grid-template-columns:repeat(2,minmax(0,1fr))}.mid-grid,.bottom-grid,.chat-shell{grid-template-columns:1fr}.chat-nav{border-right:0;border-bottom:1px solid #1f2434}}@media(max-width:780px){.dash-shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border);padding:10px}.sidebar nav{display:flex;overflow:auto;gap:8px}.menu-item{white-space:nowrap;font-size:13px;padding:8px 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