:root{--bg:#0f1117;--surface:#1a1d27;--text:#e4e4e7;--text-muted:#9ca3af;--border:#2a2d3a;--accent-bg:#6366f11a;--accent-border:#6366f14d;--accent-light:#a5b4fc;--radius:6px;--radius-lg:12px}[data-theme=light]{--bg:#fff;--surface:#f8f9fa;--text:#1a1a2e;--text-muted:#6b7280;--border:#e5e7eb;--accent-bg:#6366f114;--accent-border:#6366f140;--accent-light:#6366f1}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;transition:background .2s,color .2s}a{color:var(--accent-light);text-decoration:none}a:hover{text-decoration:underline}input,select{font-family:inherit}.theme-toggle{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text);padding:.4rem .6rem;font-size:1rem;transition:background .2s}.theme-toggle:hover{background:var(--accent-bg)}@media (width<=768px){header nav{display:none}}.empire-ad{color:inherit;background:#fff;border:1px solid #e5e7eb;flex-direction:column;text-decoration:none;transition:box-shadow .25s,transform .25s;display:flex;position:relative;overflow:hidden}.empire-ad:hover{transform:translateY(-3px);box-shadow:0 8px 32px #0000001f}.empire-ad:before{content:"Ad";letter-spacing:.06em;text-transform:uppercase;color:#fff;z-index:1;background:#0000008c;border-radius:2px;padding:2px 6px;font-size:.55rem;font-weight:700;position:absolute;top:6px;right:6px}.empire-ad-img{aspect-ratio:1200/630;object-fit:cover;width:100%;transition:transform .55s;display:block}.empire-ad:hover .empire-ad-img{transform:scale(1.07)}.empire-ad-body{flex-direction:column;flex:1;padding:1rem 1.2rem 1.4rem;display:flex}.empire-ad-label{letter-spacing:.12em;text-transform:uppercase;color:#6366f1;margin-bottom:.45rem;font-size:.62rem;font-weight:700}.empire-ad-name{margin-bottom:.55rem;font-size:1rem;font-weight:700;line-height:1.35}.empire-ad-cta{color:#6b7280;text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}.empire-ad-grid{grid-template-columns:1fr 1fr 1fr;align-items:stretch;gap:1.25rem;margin:2rem 0;display:grid}.empire-ad-grid__book{height:100%}.empire-ad-grid__book .book-ad{height:100%;color:inherit;border:1px solid #e5e7eb;border-radius:4px;flex-direction:column;gap:0;padding:0;text-decoration:none;display:flex;position:relative;overflow:hidden}.empire-ad-grid__book .book-ad:before{content:"Ad";letter-spacing:.06em;text-transform:uppercase;color:#fff;z-index:1;background:#0000008c;border-radius:2px;padding:2px 6px;font-size:.55rem;font-weight:700;position:absolute;top:6px;right:6px}.empire-ad-grid__book .book-ad-cover-wrap{flex:1;width:100%;min-height:0;overflow:hidden}.empire-ad-grid__book .book-ad-cover{width:100%;height:100%;aspect-ratio:unset;object-fit:cover;display:block}.empire-ad-grid__book .book-ad-body{display:none}@media (width<=640px){.empire-ad-grid{grid-template-columns:1fr}}