:root{--ink:#102b49;--muted:#657c93;--line:#d7e4f0;--blue:#1677ee;--cyan:#20b5e5;--green:#19a957;--bg:#f1f6fb;--white:#fff;--shadow:0 12px 35px #315c8410}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif}a,button,input,select,textarea{font:inherit}.admin-shell{min-height:100vh}.sidebar{width:235px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;align-items:center;gap:10px;padding:0 8px 28px;text-decoration:none;color:var(--ink);font-size:11px;font-weight:800;letter-spacing:.06em}.brand-symbol{width:36px;height:36px;border-radius:11px;border:1px solid #b8d6f3;background:#eff7ff;display:grid;place-items:center;font-size:25px;color:var(--blue)}.brand small{display:block;margin-top:4px;color:#8397ab;font:8px 'DM Mono',monospace;letter-spacing:.11em}.nav-label,.eyebrow{font:9px 'DM 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