:root{--sidebar:#111827;--sidebar-soft:#1f2937;--background:#f5f7fb;--surface:#ffffff;--border:#e4e7ec;--text:#172033;--muted:#667085;--muted-light:#98a2b3;--primary:#2563eb;--success:#16a34a;--warning:#b54708;--danger:#b42318}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{min-height:100vh;background:var(--background);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.appShell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;display:flex;flex-direction:column;padding:26px 18px 20px;background:var(--sidebar);color:#fff}.brand{display:flex;align-items:center;gap:12px;padding:0 10px 28px}.brandMark{width:42px;height:42px;display:grid;place-items:center;flex:0 0 auto;border-radius:11px;background:var(--primary);font-size:20px;font-weight:700}.brandText span,.brandText strong{display:block}.brandText strong{font-size:17px}.brandText 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