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56px}body{font-family:var(--font-sans);font-size:14px;color:var(--gray-800);background:var(--gray-50);line-height:1.5}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--navy);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}.topbar{height:var(--topbar-h);background:#fff;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:50}.page{padding:24px;flex:1}.sidebar-logo{padding:20px 16px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-logo h1{font-size:18px;font-weight:600;letter-spacing:.5px}.sidebar-logo p{font-size:11px;color:#ffffff80;margin-top:2px}.sidebar-nav{padding:12px 0;flex:1;overflow-y:auto}.nav-section{padding:8px 16px 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