::selection{background:var(--selection-bg);color:var(--selection-color)}::-moz-selection{background:var(--selection-bg);color:var(--selection-color)}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;border-radius:4px}*{scrollbar-width:thin;scrollbar-color:var(--accent-yellow-dk) var(--bg-secondary)}::-webkit-scrollbar{width:14px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:10px}::-webkit-scrollbar-thumb{background:var(--accent-yellow-dk);border-radius:10px;border:3px solid var(--bg-secondary);min-height:40px}::-webkit-scrollbar-thumb:hover{background:var(--accent-yellow);border-width:2px}html.theme-dark ::-webkit-scrollbar-thumb{background:var(--accent-yellow)}@media (prefers-color-scheme:dark){html:not(.theme-light) ::-webkit-scrollbar-thumb{background:var(--accent-yellow)}}*,::after,::before{margin:0;padding:0;box-sizing:border-box}.theme-transition *{transition:background-color .3s,color .3s,border-color .3s,box-shadow .3s}html{scroll-behavior:smooth}body{font-family:Arial,Helvetica,sans-serif;min-height:100vh;background:linear-gradient(135deg,var(--bg-secondary) 0,var(--bg-primary) 100%);color:var(--text-primary);display:flex;flex-direction:column}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100%;left:1rem;background:var(--accent-yellow);color:#000;padding:.5rem 1rem;border-radius:0 0 8px 8px;font-weight:700;z-index:9999;text-decoration:none;transition:top .2s}.skip-link:focus{top:0}.site-nav{position:sticky;top:0;z-index:200;background:var(--bg-primary);border-bottom:2px solid var(--accent-yellow);box-shadow:0 2px 12px var(--shadow-sm)}.nav-inner{max-width:1100px;margin:0 auto;padding:0 2rem;height:64px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.nav-logo{font-size:1.15rem;font-weight:900;text-transform:uppercase;letter-spacing:2px;color:var(--text-primary);text-decoration:none;display:flex;align-items:center;gap:.5rem}.nav-logo-dot{display:inline-block;width:8px;height:8px;background:var(--accent-yellow);border-radius:50%;flex-shrink:0}.nav-links{display:flex;align-items:center;gap:.15rem;list-style:none}.nav-links a{color:var(--text-secondary);text-decoration:none;font-size:.88rem;font-weight:600;padding:.4rem .75rem;border-radius:6px;border-bottom:2px solid transparent;transition:color .2s,background .2s,border-color .2s}.nav-links a:focus-visible,.nav-links a:hover,.nav-links a[aria-current=page]:focus-visible,.nav-links a[aria-current=page]:hover{color:var(--text-primary);background:var(--bg-secondary)}.nav-links a[aria-current=page]{color:var(--text-primary);background:var(--bg-secondary);border-bottom-color:var(--accent-yellow)}html.theme-dark .nav-links a[aria-current=page]{color:var(--accent-yellow)}.nav-links a[aria-current=page]:focus-visible,.nav-links a[aria-current=page]:hover{background:rgba(244,220,111,.18);color:var(--text-primary)}html.theme-dark .nav-links a[aria-current=page]:focus-visible,html.theme-dark .nav-links a[aria-current=page]:hover{background:rgba(244,220,111,.15);color:var(--accent-yellow)}.reading-progress{position:fixed;top:66px;left:0;right:0;z-index:199;height:3px;background:0 0;pointer-events:none}.reading-progress-bar{height:100%;width:0%;background:var(--accent-yellow);transition:width .1s linear}.page-wrapper{max-width:1100px;margin:0 auto;padding:3rem 2rem 4rem;flex:1;width:100%}.article-banner-wrap{width:100%}.article-layout{display:flex;align-items:flex-start;gap:4rem}#article-root{flex:1;min-width:0;max-width:var(--article-max)}