:root{--sb-bg:#0f172a;--sb-surface:#1e293b;--sb-surface-hover:#27364d;--sb-border:#2d3b52;--sb-text:#e5e9f0;--sb-text-muted:#94a3b8;--sb-yellow:#facc15;--sb-yellow-dark:#eab308;--sb-yellow-soft:#facc151f}.layout{background:var(--sb-bg);min-height:100vh;color:var(--sb-text);flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;display:flex;position:relative}.layout__body{flex:1;display:flex}.layout__content{flex:1;min-width:0;padding:1.5rem}.header{z-index:50;background:var(--sb-surface);border-bottom:1px solid var(--sb-border);position:sticky;top:0}.header__row{flex-wrap:nowrap;align-items:center;gap:1.5rem;padding:.75rem 1.5rem;display:flex}.header__brand{color:inherit;border-right:1px solid var(--sb-border);flex-shrink:0;order:1;align-items:center;gap:.6rem;margin-right:.25rem;padding-right:1.25rem;text-decoration:none;display:flex}.header__brand:hover 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.2s;position:fixed;top:0;left:0;transform:translate(-100%)}.left-menu--open{transform:translate(0)}}.left-menu{border-right:1px solid var(--sb-border);background:var(--sb-surface);flex-shrink:0;width:240px;padding:1rem .75rem;overflow-y:auto}.left-menu ul{margin:0;padding:0;list-style:none}.left-menu li{margin:.1rem 0}.left-menu a{color:var(--sb-text-muted);border-left:3px solid #0000;border-radius:6px;padding:.4rem .6rem;font-size:.9rem;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:block}.left-menu a:hover{background:var(--sb-surface-hover);color:var(--sb-text)}.left-menu a.active{background:var(--sb-yellow-soft);color:var(--sb-yellow);border-left-color:var(--sb-yellow);font-weight:600}.left-menu__toggle{justify-content:space-between;align-items:center;display:flex}.left-menu__children{padding-left:1rem}.left-menu__label{flex:1}.left-menu__arrow-btn{cursor:pointer;color:var(--sb-text-muted);background:0 0;border:none;align-items:center;padding:.4rem;display:flex}.left-menu__arrow{border-bottom:2px solid;border-right:2px solid;width:6px;height:6px;transition:transform .15s;display:inline-block;transform:rotate(45deg)}.left-menu__toggle.open .left-menu__arrow{transform:rotate(-135deg)}.app__backdrop{-webkit-backdrop-filter:blur(3px);z-index:52;background:#0000008c;position:fixed;inset:0}.onpage-float{display:none}@media (width<=1100px){.onpage-float{display:block}}.onpage-float__toggle{border:1px solid var(--sb-border);background:var(--sb-surface);width:36px;height:36px;color:var(--sb-text-muted);cursor:pointer;z-index:45;border-radius:8px;justify-content:center;align-items:center;display:flex;position:fixed;top:5rem;right:1rem;box-shadow:0 2px 8px #00000059}.onpage-float__toggle[aria-expanded=true]{background:var(--sb-yellow);border-color:var(--sb-yellow);color:var(--sb-surface)}.onpage-float__panel{background:var(--sb-surface);z-index:55;width:260px;max-width:80vw;height:100vh;padding:6.5rem 1.25rem 1.5rem;transition:transform .2s;position:fixed;top:0;right:0;overflow-y:auto;transform:translate(100%);box-shadow:-2px 0 12px #00000059}.onpage-float__panel--open{transform:translate(0)}.onpage-float__panel-title{letter-spacing:.06em;text-transform:uppercase;color:var(--sb-text-muted);border-bottom:2px solid var(--sb-yellow);margin:0 0 .75rem;padding-bottom:.5rem;font-size:.7rem;font-weight:700}.on-page-nav ul{margin:0;padding:0;list-style:none}.on-page-nav a{color:var(--sb-text-muted);text-decoration:none}.on-page-nav a.active{color:var(--sb-yellow);font-weight:600}@media (width<=640px){.onpage-float__toggle{top:7rem}.onpage-float__panel{padding-top:9.5rem}}.right-panel{flex-shrink:0;align-self:flex-start;width:220px;max-height:calc(100vh - 4.5rem);padding:1.5rem 1rem;position:sticky;top:4.5rem;overflow-y:auto}.right-panel__title{letter-spacing:.06em;text-transform:uppercase;color:var(--sb-text-muted);border-bottom:2px solid var(--sb-yellow);margin:0 0 .75rem;padding-bottom:.5rem;font-size:.7rem;font-weight:700}@media (width<=1100px){.right-panel{display:none}}.footer{border-top:3px solid var(--sb-yellow);text-align:center;color:var(--sb-text-muted);background:var(--sb-surface);padding:1.25rem 1.5rem;font-size:.85rem}.footer__brand{color:var(--sb-yellow);font-weight:600}*{box-sizing:border-box}html,body,#root{width:100%;min-height:100vh;margin:0;padding:0}body{background:#172235}#root{min-height:100vh}