:root{--bg:#eef2ef;--ink:#07110e;--muted:#66736f;--line:#d6ded9;--teal:#0fa79e;--teal-soft:#ddf8f4;--lime:#ceff35;--lime2:#dfff68;--panel:#fff;--dark:#07110e;--warn:#fff1ae;--danger:#b6412d}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}body{min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh}.side{background:var(--dark);color:#fff;padding:24px 16px;position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;z-index:10}.brand{font-size:25px;font-weight:900;line-height:.9;letter-spacing:-.04em}.brand span{color:#16b6aa}.brand.big{font-size:34px;margin-bottom:28px}.version{margin:12px 0 26px;color:#91a19b;font-size:10px;letter-spacing:.14em}.nav{display:grid;grid-gap:5px;gap:5px}.nav a{padding:10px 13px;border-radius:12px;color:#c9d2cf;font-size:14px}.nav 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