@layer readkit-reset{html body aside#readkit-left-sidebar,html body aside#readkit-right-sidebar{all:revert;display:block;box-sizing:border-box;isolation:isolate;float:none;clear:none;position:fixed;margin:0;padding:0;border:0;background:0 0;transform:none;contain:none;clip:auto;clip-path:none;max-width:none;min-width:0;filter:none}html body #readkit-left-sidebar::after,html body #readkit-left-sidebar::before,html body #readkit-right-sidebar::after,html body #readkit-right-sidebar::before{content:none;display:none}}aside#readkit-left-sidebar,aside#readkit-right-sidebar{float:none!important;clear:none!important;position:fixed!important;margin:0!important;padding:0!important;border:0!important;background:0 0!important;transform:none;contain:none!important;clip:auto!important;clip-path:none!important}#readkit-left-sidebar,#readkit-left-sidebar *,#readkit-left-sidebar ::after,#readkit-left-sidebar ::before,#readkit-right-sidebar,#readkit-right-sidebar *,#readkit-right-sidebar ::after,#readkit-right-sidebar ::before{box-sizing:border-box;text-decoration:none;letter-spacing:normal;text-transform:none;word-spacing:normal;text-indent:0;text-shadow:none;float:none;clear:none;max-width:none;max-height:none;min-width:0;min-height:0;margin:0;padding:0;border:0;outline:0;list-style:none;background:0 0;vertical-align:baseline;line-height:normal;font-style:normal;color:inherit}#readkit-left-sidebar a,#readkit-left-sidebar a:active,#readkit-left-sidebar a:focus,#readkit-left-sidebar a:hover,#readkit-left-sidebar a:visited,#readkit-right-sidebar a:not(.readkit-cta-button),#readkit-right-sidebar a:not(.readkit-cta-button):active,#readkit-right-sidebar a:not(.readkit-cta-button):focus,#readkit-right-sidebar a:not(.readkit-cta-button):hover,#readkit-right-sidebar a:not(.readkit-cta-button):visited{color:inherit;text-decoration:none;outline:0;box-shadow:none;border:none;background:0 0}#readkit-left-sidebar button,#readkit-right-sidebar button{font-family:inherit;font-size:inherit;line-height:inherit;appearance:none;-webkit-appearance:none;box-shadow:none}#readkit-left-sidebar li,#readkit-left-sidebar ul,#readkit-right-sidebar li,#readkit-right-sidebar ul{list-style:none;margin:0;padding:0}#readkit-left-sidebar svg,#readkit-right-sidebar svg{overflow:visible;vertical-align:middle;max-width:none;max-height:none}#readkit-left-sidebar,#readkit-right-sidebar{position:fixed!important;top:var(--readkit-sidebar-top,120px)!important;z-index:9990!important;width:260px!important;max-height:calc(100vh - var(--readkit-sidebar-top,120px) - 40px)!important;overflow-y:auto!important;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;transition:opacity .3s,transform .3s;visibility:hidden}#readkit-left-sidebar.readkit-positioned,#readkit-right-sidebar.readkit-positioned{visibility:visible!important}#readkit-left-sidebar.readkit-hidden,#readkit-right-sidebar.readkit-hidden{opacity:0!important;pointer-events:none!important;transform:translateY(10px)!important}#readkit-left-sidebar.readkit-js-hidden,#readkit-right-sidebar.readkit-js-hidden{display:none!important}#readkit-left-sidebar .readkit-toc-card{background:#fff;border:1px solid #e8eaed;border-radius:16px;padding:24px 22px 20px;box-shadow:0 1px 3px rgba(0,0,0,.04),0 6px 16px rgba(0,0,0,.03);overflow:hidden;position:relative}#readkit-left-sidebar .readkit-toc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#285eff,#60a5fa,#285eff);background-size:200% 100%;animation:readkit-gradient-slide 3s ease infinite}#readkit-left-sidebar .readkit-toc-card-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none;padding:2px 0}#readkit-left-sidebar .readkit-toc-card-header:hover .readkit-toc-chevron{color:#285eff}#readkit-left-sidebar .readkit-toc-card-meta{display:flex;align-items:baseline;gap:8px}#readkit-left-sidebar .readkit-toc-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#868e96}#readkit-left-sidebar .readkit-toc-chevron{color:#adb5bd;transition:transform .25s ease,color .15s;flex-shrink:0}#readkit-left-sidebar .readkit-toc-card.readkit-toc-open .readkit-toc-chevron{transform:rotate(180deg);color:#285eff}#readkit-left-sidebar .readkit-toc-card-current{font-size:15px;font-weight:700;color:#1e293b;line-height:1.35;margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:20px}#readkit-left-sidebar .readkit-toc-card-current:empty{display:none}#readkit-left-sidebar .readkit-toc-card-sub{font-size:13px;font-weight:500;color:#6b7280;line-height:1.4;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#readkit-left-sidebar .readkit-toc-card-sub:empty{display:none}#readkit-left-sidebar .readkit-read-time{font-size:11px;font-weight:400;color:#adb5bd}#readkit-left-sidebar .readkit-time-remaining{font-size:12px;font-weight:500;color:#285eff;margin-top:8px;display:block}#readkit-left-sidebar .readkit-time-remaining:empty{display:none}#readkit-left-sidebar .readkit-toc-card-progress{height:3px;background:#e8eaed;border-radius:2px;margin-top:14px;overflow:hidden}#readkit-left-sidebar .readkit-toc-card-progress-fill{height:100%;width:0%;background:#285eff;border-radius:2px;transition:width .15s ease-out}#readkit-left-sidebar .readkit-toc-card-divider{height:1px;background:#e8eaed;margin:14px 0 12px}#readkit-left-sidebar .readkit-toc-card-body{transition:max-height .35s ease,opacity .25s ease}#readkit-left-sidebar .readkit-toc-card-body.readkit-toc-collapsed{max-height:0;overflow:hidden;opacity:0}#readkit-left-sidebar .readkit-toc-card-body:not(.readkit-toc-collapsed){max-height:2000px;opacity:1}#readkit-left-sidebar .readkit-toc-card.readkit-toc-open .readkit-time-remaining,#readkit-left-sidebar .readkit-toc-card.readkit-toc-open .readkit-toc-card-current,#readkit-left-sidebar .readkit-toc-card.readkit-toc-open .readkit-toc-card-progress,#readkit-left-sidebar .readkit-toc-card.readkit-toc-open .readkit-toc-card-sub{display:none}#readkit-left-sidebar .readkit-toc-scroll{display:flex;gap:10px}#readkit-left-sidebar .readkit-progress-track{width:2px;background:#dee2e6;border-radius:2px;flex-shrink:0;position:relative;min-height:40px}#readkit-left-sidebar .readkit-progress-fill{width:100%;background:#285eff;border-radius:2px;position:absolute;top:0;left:0;height:0%;transition:height .15s ease-out}#readkit-left-sidebar .readkit-toc{flex:1;min-width:0}#readkit-left-sidebar .readkit-toc-list{list-style:none;margin:0;padding:0}#readkit-left-sidebar .readkit-toc-item{margin-bottom:1px;max-height:80px;overflow:hidden;opacity:1;transition:max-height .3s ease,opacity .25s ease,margin .3s ease}#readkit-left-sidebar .readkit-toc-item--hidden{max-height:0;opacity:0;margin:0;pointer-events:none}#readkit-left-sidebar .readkit-toc-link{display:block;padding:5px 6px;font-size:13px;font-weight:500;line-height:1.45;color:#6c757d;text-decoration:none;border-radius:4px;border-left:3px solid transparent;transition:color .15s,background-color .15s,border-color .15s}#readkit-left-sidebar .readkit-toc-link:hover{color:#212529;background:rgba(0,0,0,.03);text-decoration:none}#readkit-left-sidebar .readkit-toc-link.readkit-active{color:#285eff;background:rgba(37,99,235,.05)}#readkit-left-sidebar .readkit-toc-link[data-level="2"].readkit-active{border-left-color:#285eff;font-weight:600}#readkit-left-sidebar .readkit-toc-link[data-level="2"]{font-size:13.5px;font-weight:600;color:#495057}#readkit-left-sidebar .readkit-toc-link[data-level="3"]{padding-left:16px;font-size:12px;font-weight:400}#readkit-left-sidebar .readkit-toc-link[data-level="4"]{padding-left:26px;font-size:11.5px;font-weight:400;color:#868e96}#readkit-right-sidebar.readkit-positioned{visibility:visible!important;opacity:1;transform:translateY(0);animation:readkit-cta-reveal .5s ease-out}@keyframes readkit-cta-reveal{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}#readkit-right-sidebar .readkit-cta-card{position:relative;background:#fff;border:1px solid #e8eaed;border-radius:16px;padding:28px 22px 22px;box-shadow:0 1px 3px rgba(0,0,0,.04),0 6px 16px rgba(0,0,0,.03);animation:readkit-cta-fadein .6s ease-out both;overflow:hidden}@keyframes readkit-cta-fadein{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}#readkit-right-sidebar .readkit-cta-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#285eff,#7c3aed,#285eff);background-size:200% 100%;animation:readkit-gradient-slide 3s ease infinite}@keyframes readkit-gradient-slide{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}#readkit-right-sidebar .readkit-cta-heading{font-size:16px;font-weight:700;color:#1e293b;margin:0 0 8px;line-height:1.3}#readkit-right-sidebar .readkit-cta-text{font-size:14px;line-height:1.7;color:#374151;margin:0 0 20px;letter-spacing:-.005em}#readkit-right-sidebar .readkit-cta-button{position:relative;display:flex;align-items:center;justify-content:center;gap:7px;width:100%;padding:12px 16px;background:#285eff;color:#fff;text-align:center;border-radius:10px;font-size:13.5px;font-weight:600;text-decoration:none;letter-spacing:.01em;transition:background .2s,box-shadow .2s,transform .15s;box-shadow:0 2px 6px rgba(37,99,235,.25);overflow:hidden}#readkit-right-sidebar .readkit-cta-button::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);animation:readkit-btn-shimmer 3s ease-in-out 2s infinite}@keyframes readkit-btn-shimmer{0%{left:-100%}40%{left:100%}100%{left:100%}}#readkit-right-sidebar .readkit-cta-button svg{transition:transform .2s;flex-shrink:0}#readkit-right-sidebar .readkit-cta-button:hover{background:#1d4ed8;box-shadow:0 4px 14px rgba(37,99,235,.35);transform:translateY(-1px);color:#fff;text-decoration:none}#readkit-right-sidebar .readkit-cta-button:hover svg{transform:translateX(3px)}#readkit-right-sidebar .readkit-cta-button:active{transform:translateY(0);box-shadow:0 1px 4px rgba(37,99,235,.2)}.readkit-mobile-progress{display:none;position:fixed;top:0;left:0;width:100%;height:3px;background:0 0;z-index:99999}.readkit-mobile-progress-fill{height:100%;background:#285eff;width:0%;transition:width .1s linear}@media (max-width:1399px){#readkit-left-sidebar,#readkit-right-sidebar{display:none!important}.readkit-mobile-progress{display:block}}.readkit-inline-cta{margin:32px 0;max-width:480px;margin-left:auto;margin-right:auto}.readkit-inline-cta .readkit-cta-card{animation:none}.readkit-feedback{margin-top:32px;padding:20px 24px;background:#f8f9fa;border:1px solid #e9ecef;border-radius:12px;text-align:center;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.readkit-feedback .readkit-feedback-question{font-size:14px;font-weight:600;color:#374151;margin:0 0 12px}.readkit-feedback .readkit-feedback-buttons{display:flex;justify-content:center;gap:10px}.readkit-feedback .readkit-feedback-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border:1px solid #dee2e6;border-radius:8px;background:#fff;color:#495057;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}.readkit-feedback .readkit-feedback-btn:hover{background:#f0f0f2;border-color:#285eff;color:#285eff}.readkit-feedback .readkit-feedback-btn:active{transform:scale(.96)}.readkit-feedback .readkit-feedback-thanks{font-size:14px;color:#285eff;font-weight:500;margin:0}#readkit-left-sidebar::-webkit-scrollbar,#readkit-right-sidebar::-webkit-scrollbar{width:4px}#readkit-left-sidebar::-webkit-scrollbar-track,#readkit-right-sidebar::-webkit-scrollbar-track{background:0 0}#readkit-left-sidebar::-webkit-scrollbar-thumb,#readkit-right-sidebar::-webkit-scrollbar-thumb{background:#ced4da;border-radius:4px}