:root{--navy:#101e34;--navy2:#172943;--teal:#0cae9d;--bg:#f4f7fb;--ink:#17283d;--muted:#748397;--border:#e4eaf1}*{box-sizing:border-box}body{margin:0;font:14px/1.5 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}a{color:#078e83;text-decoration:none}h1{font-size:25px;line-height:1.25;margin:6px 0 0}h2{font-size:17px;margin:0 0 18px}small{display:block;color:var(--muted);font-size:11px}.muted{color:var(--muted)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:235px;background:var(--navy);color:#fff;padding:26px 15px;display:flex;flex-direction:column;z-index:2}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.6px;margin:0 8px 35px;font-size:13px}.brand small{font-size:9px;letter-spacing:1.2px;color:#9ab2c9}.brandicon,.invoicelogo{background:var(--teal);color:#fff;border-radius:12px;padding:10px;font-weight:900;font-size:18px}.sidebar nav{display:grid;gap:5px}.sidebar nav a{color:#afbed0;padding:12px 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