:root{--bg:#f4f5f7;--sidebar-bg:#1a2035;--sidebar-active:#2a3350;--sidebar-hover:#222840;--sidebar-ink:#c8d3e8;--sidebar-muted:#5a6a85;--sidebar-accent:#6366f1;--sidebar-logo-bg:#6366f1;--white:#fff;--ink:#1e2d40;--muted:#6b7d90;--line:#e2e6ec;--accent:#2563eb;--accent-soft:#eff4ff;--ok:#16a34a;--ok-soft:#f0fdf4;--warn:#dc2626;--warn-soft:#fff5f5;--soft-bg:#f4f5f7}*{box-sizing:border-box}body,html{margin:0;height:100%}body{color:var(--ink);font-family:Segoe UI,PingFang SC,sans-serif;font-size:14px;background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.admin-shell{display:grid;grid-template-columns:220px 1fr;height:100vh;overflow:hidden}.admin-sidebar{background:var(--sidebar-bg);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}.admin-logo{gap:10px;padding:0 16px;height:56px;border-bottom:1px solid 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