:root{color:#2b2420;background:#fbf4ef;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;--clay: #c6533c;--clay-dark: #8c3829;--paper: #fff8f3;--paper-warm: #fffaf6;--page: #fbf4ef;--ink: #2b2420;--muted: #78665c;--line: #ead7cb;--chip: #f4dfd3;--sage: #788f72}body{margin:0;color:var(--ink);background:var(--page)}button,input,select{font:inherit}.admin-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{background:var(--paper-warm);border-right:1px solid var(--line);padding:24px;display:flex;flex-direction:column;gap:28px}.eyebrow{margin:0 0 6px;color:var(--muted);font-size:13px}.muted{color:var(--muted)}h1,h2,h3,p{margin-top:0}h1{margin-bottom:6px;font-size:24px}h2{margin-bottom:0;font-size:24px}h3{margin-bottom:0;font-size:16px}nav{display:grid;gap:6px}nav a{color:var(--ink);text-decoration:none;padding:9px 10px;border-radius:8px}nav a:hover{background:var(--chip)}nav 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