:root{--bm-ink:#0A1A2F;--bm-ink-soft:#1E2D45;--bm-ink-panel:#1E2D45;--bm-gold:#C4A35A;--bm-gold-deep:#A88433;--bm-gold-soft:rgba(196,163,90,0.16);--bm-surface:#F9F9F6;--bm-panel:#ffffff;--bm-muted:#5A5A5A;--bm-muted-light:#8E96A4;--bm-shadow:0 0 0 1px #E0DED9;--bm-border-soft:rgba(196,163,90,0.18);--bm-success:#2D5F3F;--bm-danger:#8C2F2F;--bm-font-serif:"Source Serif 4",Georgia,serif;--bm-font-sans:"Inter",system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}a{text-decoration:none;color:inherit}.bm-shell{display:grid;min-height:100vh;grid-template-columns:280px minmax(0,1fr)}.bm-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;background:var(--bm-ink);color:#f4f1e8;padding:1.5rem 1.25rem;display:flex;flex-direction:column;gap:1.75rem;overflow-y:auto}.bm-brand-lockup{display:flex;align-items:center;gap:.9rem}.bm-logo{width:44px;height:44px;object-fit:contain;border-radius:0;flex-shrink:0}.bm-brand-label{margin:0;font-size:.9rem;font-weight:700;color:#f4f1e8;line-height:1.3}.bm-sidebar-nav{display:flex;flex-direction:column;gap:2px}.bm-nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem .9rem;border-radius:0;color:var(--bm-muted-light);background:transparent;font-size:.82rem;font-weight:500;transition:background .14s ease,color .14s ease;cursor:pointer}.bm-nav-item:hover{color:#fff6df;background:rgba(255,255,255,.07)}.bm-nav-item.is-active{color:#fff6df;background:rgba(198,166,103,.14)}.bm-nav-index{color:var(--bm-gold);font-size:.68rem;font-weight:700;letter-spacing:.16em;min-width:20px}@media (max-width:960px){.bm-shell{grid-template-columns:1fr}.bm-sidebar{position:static;height:auto;align-items:center;padding:1rem 1.25rem;gap:1.5rem}.bm-sidebar,.bm-sidebar-nav{flex-direction:row}}html{min-height:100%}body{margin:0;min-height:100vh;background:var(--bm-surface);color:var(--bm-ink);font-family:var(--bm-font-sans);-webkit-font-smoothing:antialiased}a:focus,button:focus{outline:none}a:focus-visible,button:focus-visible{outline:2px solid var(--bm-gold);outline-offset:2px}