:root{color:#1a1a1a;background:#f5f5f5;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}.reader-shell{display:flex;flex-direction:column;height:100%;min-height:100%}.reader-shell--pwa{background:#f5f5f5}.reader-shell--html{background:#fff;overflow:hidden;min-height:0}.reader-html-frame{flex:1 1 auto;width:100%;height:100%;min-height:0;border:0;display:block;background:#fff}.reader-status{margin:auto;padding:24px;text-align:center;color:#555;font-size:15px}.reader-status--error{color:#b00020}.reader-canvas-scroll{flex:1;width:100%;max-width:64rem;margin-left:auto;margin-right:auto;overflow:auto;-webkit-overflow-scrolling:touch;padding:1rem .75rem;box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}.reader-canvas-scroll::-webkit-scrollbar{display:none;width:0;height:0}@media(min-width:640px){.reader-canvas-scroll{padding:1.5rem}}@media(min-width:1024px){.reader-canvas-scroll{padding-left:2rem;padding-right:2rem}}.rounded-lg{border-radius:.5rem}.border{border-width:1px;border-style:solid}.border-dashed{border-style:dashed}.border-muted-foreground\/40{border-color:#64646466}.p-8{padding:2rem}.text-center{text-align:center}.text-sm{font-size:.875rem}.text-muted-foreground{color:#6b7280}