:root{--vt-c-white: #ffffff;--vt-c-white-soft: #f8f8f8;--vt-c-white-mute: #f2f2f2;--vt-c-black: #181818;--vt-c-black-soft: #222222;--vt-c-black-mute: #282828;--vt-c-indigo: #2c3e50;--vt-c-divider-light-1: rgba(60, 60, 60, .29);--vt-c-divider-light-2: rgba(60, 60, 60, .12);--vt-c-divider-dark-1: rgba(84, 84, 84, .65);--vt-c-divider-dark-2: rgba(84, 84, 84, .48);--vt-c-text-light-1: var(--vt-c-indigo);--vt-c-text-light-2: rgba(60, 60, 60, .66);--vt-c-text-dark-1: var(--vt-c-white);--vt-c-text-dark-2: rgba(235, 235, 235, .64)}:root{--color-background: var(--vt-c-white);--color-background-soft: var(--vt-c-white-soft);--color-background-mute: var(--vt-c-white-mute);--color-border: var(--vt-c-divider-light-2);--color-border-hover: var(--vt-c-divider-light-1);--color-heading: var(--vt-c-text-light-1);--color-text: var(--vt-c-text-light-1);--section-gap: 160px}@media (prefers-color-scheme: dark){:root{--color-background: var(--vt-c-black);--color-background-soft: var(--vt-c-black-soft);--color-background-mute: var(--vt-c-black-mute);--color-border: var(--vt-c-divider-dark-2);--color-border-hover: var(--vt-c-divider-dark-1);--color-heading: var(--vt-c-text-dark-1);--color-text: var(--vt-c-text-dark-2)}}*,*:before,*:after{box-sizing:border-box;margin:0;font-weight:400}body{min-height:100vh;color:var(--color-text);background:var(--color-background);transition:color .5s,background-color .5s;line-height:1.6;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:15px;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{margin:0 auto;font-weight:400}html,body,#app{width:100%;height:100%;overflow:hidden}a{color:inherit}.action-bar{width:100%;height:50px;padding:10px 0;display:flex;justify-content:center;align-items:center}.action-bar .btn{font-size:30px;color:#999}.action-bar .btn svg{bottom:0}.action-bar .btn:not(:first-child){margin-left:10px}.has-mouse .action-bar .btn:hover{color:#ccc;filter:drop-shadow(1px 1px 5px #000);cursor:pointer}.action-bar .btn:active{filter:none!important}.action-bar .btn.disabled{color:#666;pointer-events:none}.action-bar .page-num{font-size:12px;margin-left:10px}.flipbook .viewport{height:calc(100vh - 90px)!important}.flipbook .bounding-box{box-shadow:0 0 20px #000}.material-design-icon{display:inline-flex;align-self:center;position:relative;height:1em;width:1em}.material-design-icon>.material-design-icon__svg{height:1em;width:1em;fill:currentColor;position:absolute;bottom:-.125em}.flipbook[data-v-7aaaa864]{width:100%;height:100%}