/* EnduroLab v53 · five-area workspace.
 * Only the presentation/navigation layer changes. Existing section IDs,
 * event handlers, forms, training views and user preferences are preserved.
 */
body.v53-ready .app{grid-template-columns:229px minmax(0,1fr)}
body.v53-ready .sidebar{padding:24px 14px 18px;gap:0}
body.v53-ready .sidebar .brand{padding:5px 10px 21px;margin-bottom:17px}
body.v53-ready .sidebar>.nav{display:none!important}
body.v53-ready .sidebar .nav-account{display:none!important}
body.v53-ready .sidebar .side-footer{border-top:1px solid var(--border);margin-top:auto;padding:14px 9px}
body.v53-ready .sidebar .side-footer-note{padding:0}
body.v53-ready .main{max-width:1500px;min-width:0;padding-top:27px}
body.v53-ready .topbar{margin-bottom:24px}
.v53-sidebar-nav{display:grid;gap:6px;min-width:0}
.v53-nav-kicker{color:var(--muted);font-size:10px;letter-spacing:1.65px;font-weight:850;margin:7px 13px 11px}
.v53-area-link{font:inherit;border:1px solid transparent;background:transparent;color:var(--soft);min-width:0;cursor:pointer}
.v53-sidebar-link{display:flex;gap:12px;align-items:center;width:100%;text-align:left;min-height:66px;padding:11px 11px;border-radius:13px}
.v53-sidebar-link:hover{background:color-mix(in srgb,var(--panel3) 75%,transparent);color:var(--text)}
.v53-sidebar-link.is-active{background:color-mix(in srgb,var(--lime) 12%,var(--panel2));border-color:color-mix(in srgb,var(--lime) 34%,var(--border));color:var(--text);box-shadow:inset 3px 0 0 var(--lime)}
.v53-nav-icon{flex:0 0 35px;display:grid;place-items:center;width:35px;height:35px;border:1px solid var(--border);border-radius:11px;background:color-mix(in srgb,var(--panel2) 78%,transparent);font-size:19px;color:var(--lime)}
.v53-sidebar-link.is-active .v53-nav-icon{background:color-mix(in srgb,var(--lime) 14%,var(--panel2));border-color:color-mix(in srgb,var(--lime) 24%,var(--border))}
.v53-area-copy{display:grid;min-width:0;flex:1;gap:2px}
.v53-area-copy strong{font-size:13px;font-weight:810;line-height:1.25}
.v53-area-copy small{font-size:10px;line-height:1.45;color:var(--muted);font-weight:500}
.v53-nav-chevron{margin-left:auto;color:var(--muted);font-size:19px;line-height:1}
.v53-side-note{display:flex;gap:9px;align-items:flex-start;border-top:1px solid var(--border);margin-top:20px;padding:16px 9px 0;font-size:11px;color:var(--muted);line-height:1.6}
.v53-side-note i{display:block;width:7px;height:7px;flex:0 0 7px;border-radius:50%;margin-top:6px;background:var(--lime);box-shadow:0 0 0 3px color-mix(in srgb,var(--lime) 12%,transparent)}
.v53-context{border:1px solid var(--border);background:linear-gradient(120deg,color-mix(in srgb,var(--panel2) 83%,var(--bg)),var(--panel));border-radius:17px;padding:19px 22px 16px;margin:0 0 22px}
.v53-context[hidden]{display:none!important}
.v53-context-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin:0 0 14px}
.v53-context-head .eyebrow{font-size:10px;letter-spacing:1.35px}
.v53-context-head h2{font-size:clamp(23px,2.9vw,30px);letter-spacing:-.9px;line-height:1.15;margin:5px 0 5px;color:var(--text)}
.v53-context-head p{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}
.v53-section-count{font-size:9px;letter-spacing:1.2px;white-space:nowrap;border:1px solid var(--border);border-radius:999px;padding:7px 10px;color:var(--muted);font-weight:800}
.v53-subnav{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.v53-subtab,.v53-more>summary{background:color-mix(in srgb,var(--panel3) 50%,transparent);border:1px solid var(--border);border-radius:999px;padding:9px 13px;color:var(--soft);display:inline-flex;gap:8px;align-items:center;justify-content:center;font-size:12px;font-weight:750;min-height:38px;cursor:pointer;white-space:nowrap}
.v53-subtab:hover,.v53-more>summary:hover{border-color:color-mix(in srgb,var(--lime) 45%,var(--border));color:var(--text)}
.v53-subtab.is-active,.v53-more>summary.is-active{background:color-mix(in srgb,var(--lime) 14%,var(--panel2));border-color:color-mix(in srgb,var(--lime) 46%,var(--border));color:var(--text)}
.v53-subtab-icon{color:var(--lime);font-size:14px}
.v53-more{position:relative}
.v53-more>summary{list-style:none}
.v53-more>summary::-webkit-details-marker{display:none}
.v53-more-chevron{font-size:13px;color:var(--muted);margin-left:3px}
.v53-more[open]>summary{border-color:color-mix(in srgb,var(--lime) 40%,var(--border))}
.v53-more-list{position:absolute;right:0;top:calc(100% + 8px);width:max-content;min-width:204px;max-width:min(340px,85vw);display:grid;gap:4px;border:1px solid var(--border);border-radius:13px;padding:8px;background:var(--panel2);box-shadow:0 16px 46px #0009;z-index:14}
.v53-more-list .v53-subtab{border-radius:9px;justify-content:flex-start;width:100%;text-align:left;background:transparent;white-space:normal}
.v53-more-list .v53-subtab.is-active{background:color-mix(in srgb,var(--lime) 13%,var(--panel2));border-color:color-mix(in srgb,var(--lime) 35%,var(--border))}
.v53-mobile-nav{display:none}
body.v53-ready .view>.page-head{margin-bottom:21px}
body.v53-ready .view>.page-head h1{letter-spacing:-1.45px;line-height:1.13}
body.v53-ready .view>.page-head p{max-width:790px;line-height:1.62}
body.v53-ready .view .panel{border-radius:16px}
body.v53-ready #view-overview .v35-heading{margin-bottom:20px}
body.v53-ready #view-overview .v35-content{gap:19px}
body.v53-ready #view-overview .v35-stats{margin-bottom:19px}
body.v53-ready #view-overview .v32-more-home,
body.v53-ready #view-overview .v20-legacy-home{border-color:var(--border)}
body.v53-ready #view-overview .v32-more-home>summary,
body.v53-ready #view-overview .v20-legacy-home>summary{font-size:12px;color:var(--muted)}
.v53-area-link:focus-visible,.v53-subtab:focus-visible,.v53-more>summary:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
@media(max-width:1100px) and (min-width:821px){
 body.v53-ready .app{grid-template-columns:199px minmax(0,1fr)}
 body.v53-ready .sidebar{padding-inline:11px}
 .v53-sidebar-link{gap:7px;padding:10px 8px}
 .v53-nav-icon{width:31px;height:31px;flex-basis:31px;font-size:17px}
 .v53-area-copy small{font-size:9px}
 .v53-context{padding:16px}
}
@media(max-width:820px){
 body.v53-ready .app{display:block}
 body.v53-ready .sidebar{display:none!important}
 body.v53-ready .main{padding:18px 15px calc(111px + env(safe-area-inset-bottom))}
 body.v53-ready .topbar{margin-bottom:15px;padding-bottom:15px;gap:8px}
 body.v53-ready .workspace-label{min-width:0}
 body.v53-ready .workspace-label .eyebrow{display:none}
 body.v53-ready .workspace-label .crumb-sep{display:none}
 body.v53-ready .workspace-label #navBreadcrumb{font-size:11px;white-space:normal;line-height:1.4}
 body.v53-ready .mobile-tabs{display:none!important}
 .v53-mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:23;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:2px;padding:8px 6px calc(8px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg) 96%,var(--panel2));border-top:1px solid var(--border);box-shadow:0 -14px 36px #0009;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
 .v53-mobile-link{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:52px;width:100%;padding:5px 1px;border-radius:11px}
 .v53-mobile-link.is-active{background:color-mix(in srgb,var(--lime) 13%,var(--panel2));border-color:color-mix(in srgb,var(--lime) 26%,var(--border));color:var(--lime)}
 .v53-mobile-link .v53-nav-icon{display:grid;place-items:center;flex:0 0 auto;width:23px;height:23px;border:0;background:transparent;font-size:21px}
 .v53-mobile-link .v53-area-copy{display:block;flex:0 0 auto;min-width:0;max-width:100%}
 .v53-mobile-link .v53-area-copy strong{display:block;font-size:10px;line-height:1.25;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .v53-mobile-link .v53-nav-chevron{display:none}
 .v53-context{margin-bottom:17px;border-radius:14px;padding:15px 14px 13px}
 .v53-context-head{margin-bottom:12px}
 .v53-context-head h2{font-size:23px}
 .v53-section-count{display:none}
 .v53-subnav{display:flex;flex-wrap:nowrap;gap:7px;overflow-x:auto;padding:2px 1px 8px;margin-bottom:-6px;overscroll-behavior-x:contain;scrollbar-width:thin}
 .v53-subtab,.v53-more>summary{min-height:38px;padding:9px 12px;font-size:11px}
 .v53-more{flex:0 0 auto}
 .v53-more-list{position:fixed;top:auto;bottom:calc(96px + env(safe-area-inset-bottom));right:16px;min-width:min(270px,88vw);max-width:calc(100vw - 32px);max-height:min(55vh,480px);overflow:auto}
 body.v53-ready #view-overview .v35-content{gap:15px}
}
@media(max-width:410px){
 body.v53-ready .main{padding-inline:12px}
 .v53-mobile-nav{padding-inline:3px}
 .v53-mobile-link .v53-area-copy strong{font-size:9px}
 .v53-context-head p{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
 .v53-sidebar-link,.v53-subtab,.v53-more>summary{transition:none}
}