:root{color-scheme:light;--bg: #eef3f7;--panel: rgba(255, 255, 255, .92);--panel-border: rgba(31, 52, 72, .12);--text: #16212d;--muted: #5b6b7c;--accent: #0f5f78;--accent-strong: #0a3951;--accent-soft: #d9eef6;--accent-glow: rgba(15, 95, 120, .14);--shadow: 0 24px 80px rgba(24, 45, 67, .12)}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Aptos,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(40,142,178,.14),transparent 26%),radial-gradient(circle at top right,rgba(8,55,86,.11),transparent 24%),linear-gradient(180deg,#f6fbff,#edf3f8 46%,#f8fbfd)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.shell{min-height:100vh;display:grid;grid-template-columns:320px 1fr}.sidebar{padding:32px 24px;background:linear-gradient(180deg,#081f2ff5,#0f3c54f0);color:#f7fbfd;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-right:1px solid 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