:root,[data-kb-theme=light]{--kb-bg:#fff;--kb-surface:#fff;--kb-text:#1a1a1a;--kb-text-secondary:#666;--kb-border:#ddd;--kb-accent:#1a4b8b}[data-kb-theme=dark]{--kb-bg:#121212;--kb-surface:#1c1c1e;--kb-text:#e8e8e6;--kb-text-secondary:#9a9a9a;--kb-border:#333;--kb-accent:#6fa8ff}[data-kb-theme=sepia]{--kb-bg:#f4ecd8;--kb-surface:#ece0c5;--kb-text:#3b2f22;--kb-text-secondary:#6b5c46;--kb-border:#d8c9a3;--kb-accent:#8a5a2b}html{background:var(--kb-bg)}body{background:var(--kb-bg);color:var(--kb-text);margin:0;transition:background .2s ease-out,color .2s ease-out}.kb-page-viewport{flex:auto;width:100%;height:70vh;min-height:0;animation:.22s ease-out kb-fade-in;overflow:hidden}.kb-reader{column-fill:auto;height:100%}.kb-reader h1,.kb-reader h2,.kb-reader h3{break-after:avoid-column}.kb-reader [data-kb-selected]{background:var(--kb-accent);color:var(--kb-bg);border-radius:2px}.kb-reader [data-kb-highlight]{border-radius:2px}.kb-reader [data-kb-highlight=yellow]{background-color:#ffd50052}.kb-reader [data-kb-highlight=red]{background-color:#ef44442e}.kb-reader [data-kb-highlight=green]{background-color:#22c55e38}.kb-reader [data-kb-highlight=blue]{background-color:#3b82f633}[data-kb-theme=dark] .kb-reader [data-kb-highlight=yellow]{background-color:#ffd50029}[data-kb-theme=dark] .kb-reader [data-kb-highlight=red]{background-color:#ef444429}[data-kb-theme=dark] .kb-reader [data-kb-highlight=green]{background-color:#22c55e2e}[data-kb-theme=dark] .kb-reader [data-kb-highlight=blue]{background-color:#3b82f633}[data-kb-theme=sepia] .kb-reader [data-kb-highlight=yellow]{background-color:#ca8a044d}[data-kb-theme=sepia] .kb-reader [data-kb-highlight=red]{background-color:#ef444433}[data-kb-theme=sepia] .kb-reader [data-kb-highlight=green]{background-color:#22c55e3d}[data-kb-theme=sepia] .kb-reader [data-kb-highlight=blue]{background-color:#3b82f638}@keyframes kb-fade-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.kb-reader{transition:none!important}.kb-page-viewport{animation:none!important}body{transition:none!important}}