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768px){.auth-body{grid-template-columns:1fr}.auth-left{display:none}.sidebar{width:200px}.dept-grid,.stat-grid{grid-template-columns:repeat(2,1fr)}.main-body{padding:14px}.two-col{grid-template-columns:1fr}.hero-content{padding:28px 20px 40px}.hero-stats{gap:20px}}