*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background .2s,color .2s}:root,[data-theme=dark]{--bg-primary:#0a0a15;--bg-secondary:#0d0d1a;--bg-card:#112;--bg-input:#0d0d1a;--border:#1a1a2e;--border-card:#2a2a4a;--text-primary:#eee;--text-secondary:#888;--text-muted:#555;--accent:#eab308}[data-theme=light]{--bg-primary:#f5f5f7;--bg-secondary:#fff;--bg-card:#fff;--bg-input:#f0f0f2;--border:#e0e0e5;--border-card:#d0d0d8;--text-primary:#111;--text-secondary:#666;--text-muted:#999;--accent:#ca8a04}#root{min-height:100vh}.btn-hover:hover{opacity:.85}.link-hover:hover{color:#eab308!important}.card-hover:hover{border-color:#eab308!important}.row-hover:hover{background:#1a1a2e22!important}.mobile-hide{display:flex}.mobile-show{display:none}@media (width<=768px){.hero-layout{flex-direction:column!important}.pricing-grid{flex-direction:column!important;align-items:center!important}.plans-grid{flex-direction:column!important}.stats-row{flex-wrap:wrap!important}.stats-row>*{flex:45%!important;min-width:45%!important}.mobile-hide{display:none!important}.mobile-show{display:flex!important}.mobile-stack{flex-direction:column!important}.mobile-full{width:100%!important;min-width:0!important}.input-grid-mobile{grid-template-columns:1fr 1fr!important}.optimizer-sidebar{display:none!important}.optimizer-sidebar.open{z-index:200;background:#0d0d1a;border-right:1px solid #1a1a2e;width:240px;position:fixed;top:52px;bottom:0;left:0;overflow-y:auto;display:flex!important}.nav-links{display:none!important}.nav-links.open{z-index:200;background:#0d0d1a;border-bottom:1px solid #1a1a2e;flex-direction:column;padding:8px;position:absolute;top:100%;left:0;right:0;display:flex!important}}@media (width<=480px){.stats-row>*{flex:100%!important;min-width:100%!important}.input-grid-mobile{grid-template-columns:1fr!important}}