/* Persistent footer shell. Geometry has one owner. */
.presentation-shell{position:fixed;left:max(var(--layout-page-gutter,48px),calc((100vw - var(--layout-reading-outer-max))/2));right:max(var(--layout-page-gutter,48px),calc((100vw - var(--layout-reading-outer-max))/2));bottom:0;height:46px;z-index:9100;pointer-events:none;transform:none}
.presentation-footer{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:grid;grid-template-columns:minmax(0,1fr) 148px minmax(132px,.72fr) minmax(96px,.34fr);align-items:stretch;box-sizing:border-box;padding:0;gap:0;border-top:1px solid rgba(255,255,255,.075);background:rgba(13,15,20,.88);backdrop-filter:blur(10px);color:#aeb4c0;font:650 10px/1.2 var(--font-ui);pointer-events:auto}
.presentation-footer button,.presentation-footer a{min-width:0;height:100%;box-sizing:border-box;border:0;border-radius:0;background:transparent;color:inherit;text-decoration:none;overflow:hidden}
.presentation-footer-back,.presentation-footer-hub-toggle,.presentation-footer-top,.presentation-footer-home{display:flex;align-items:center}.presentation-footer-back{justify-content:flex-start;gap:7px;padding:0 16px;cursor:pointer}.presentation-footer-back-chevron{font-size:22px;font-weight:300;opacity:.58;line-height:.8}.presentation-footer-back-label,.presentation-footer-hub-toggle>span:first-child,.presentation-footer-top>span:first-child{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.presentation-footer-back:disabled,.presentation-footer-top:disabled{cursor:default;opacity:.24}
.presentation-footer-home{justify-content:center;width:148px;min-width:148px;padding:0 14px;cursor:pointer}.presentation-footer-logo{display:block;width:116px;max-width:116px;height:auto;object-fit:contain}.presentation-footer-logo--light{display:none}html[data-theme="light"] .presentation-footer-logo--dark{display:none}html[data-theme="light"] .presentation-footer-logo--light{display:block}
.presentation-footer-hub-toggle{justify-content:center;gap:8px;padding:0 14px;border-left:1px solid rgba(255,255,255,.075)!important;border-right:1px solid rgba(255,255,255,.075)!important;font:inherit;cursor:pointer}.presentation-footer-hub-icon{font-size:17px;font-weight:400;line-height:1;opacity:.62}.presentation-footer-top{justify-content:flex-end;gap:7px;padding:0 14px;font:inherit;cursor:pointer}.presentation-footer-top-icon{font-size:15px;line-height:1;opacity:.7}
.presentation-footer-back:not(:disabled):hover,.presentation-footer-home:hover,.presentation-footer-hub-toggle:hover,.presentation-footer-top:not(:disabled):hover{color:inherit;background:transparent}
html[data-theme="light"] .presentation-footer-hub-toggle{border-color:rgba(25,71,125,.11)!important}
@media(max-width:768px){.presentation-shell{left:0;right:0;height:42px}.presentation-footer{grid-template-columns:minmax(0,1fr) 92px minmax(88px,.7fr) 72px;font-size:9px}.presentation-footer-home{width:92px;min-width:92px;padding:0 5px}.presentation-footer-logo{width:82px;max-width:82px}.presentation-footer-hub-toggle{padding:0 8px}.presentation-footer-top{padding:0 10px;gap:4px}.presentation-footer-top-icon{font-size:13px}}
@media(max-width:480px){.presentation-footer{grid-template-columns:minmax(0,1fr) 82px 82px 62px}.presentation-footer-home{width:82px;min-width:82px}.presentation-footer-logo{width:74px;max-width:74px}.presentation-footer-hub-icon{display:none}.presentation-footer-top>span:first-child{display:none}.presentation-footer-top{justify-content:center;padding:0}.presentation-footer-top-icon{font-size:16px}}
@media(min-width:1600px){.presentation-shell{height:56px}.presentation-footer{grid-template-columns:minmax(0,1fr) 158px minmax(142px,.72fr) minmax(106px,.34fr);font-size:12px}.presentation-footer-home{width:158px;min-width:158px}.presentation-footer-logo{width:126px;max-width:126px}.presentation-footer-back,.presentation-footer-hub-toggle,.presentation-footer-top{font-size:12px}.presentation-footer-top-icon{font-size:17px}}