:root{--navy:#071b35;--navy2:#0b2a4e;--teal:#09a9a4;--cyan:#26d7e5;--ink:#14233a;--muted:#6e8098;--line:#dfeaf0;--soft:#f3f7fa;--white:#fff;--danger:#b43b4a;--warning:#9c6811;--success:#087263}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--soft);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif}button,input{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{background:linear-gradient(165deg,var(--navy),#061427);color:#dbe8f4;padding:28px 16px 22px;display:flex;flex-direction:column;min-height:100vh}.brand{display:flex;gap:11px;align-items:center;padding:0 10px 30px;font-weight:800;letter-spacing:-.6px;font-size:22px;color:#fff}.brand b{color:var(--cyan)}.brand 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