/* Application shell: persistent navigation, viewport-safe frame area. */
html,body{height:100%;margin:0}body{padding:0;background:light-dark(#f5f5f1,#111)}
#fuaid-mobile-orbit{--fm-nav-height:82px;max-width:none;min-height:100dvh;border-radius:0;box-shadow:none;overflow:visible}
#fuaid-mobile-orbit .fm-header{max-width:720px;margin:auto;padding:16px 20px;min-height:78px}
#fuaid-mobile-orbit #fm-menu{position:absolute;top:66px;right:16px;z-index:30;width:min(300px,calc(100% - 32px));margin:0;box-shadow:0 10px 30px #0002}
#fm-home-view{max-width:440px;margin:auto;padding-bottom:calc(var(--fm-nav-height) + env(safe-area-inset-bottom,0px) + 16px)}
#fuaid-mobile-orbit .fm-bottom{position:fixed;z-index:40;bottom:0;left:0;right:0;display:flex;justify-content:center;gap:6px;min-height:var(--fm-nav-height);padding:7px 10px calc(7px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--fm-border);background:light-dark(#fafaf8ed,#1b1b1bed);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow-x:auto}
#fuaid-mobile-orbit .fm-bottom a{flex:1 0 66px;max-width:150px;min-height:66px;border:1px solid transparent;border-radius:20px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:var(--fm-muted);font-size:12px;font-weight:600;white-space:nowrap}
#fuaid-mobile-orbit .fm-bottom svg{width:25px;height:25px}
#fuaid-mobile-orbit .fm-bottom a[aria-current="page"]{color:var(--fm-ink);background:light-dark(#fff9,#ffffff0c);border-color:light-dark(#fff,#4a4a4a);box-shadow:inset 0 0 0 1px light-dark(#fff,#ffffff05)}
#fuaid-mobile-orbit .fm-bottom a[aria-current="page"]:after{content:"";position:absolute;bottom:3px;width:26px;height:3px;border-radius:4px;background:#778b7d}
#fm-resource-view{height:calc(100dvh - 78px - var(--fm-nav-height) - env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;min-height:180px}
#fuaid-mobile-orbit .fm-resource-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-top:1px solid var(--fm-border);border-bottom:1px solid var(--fm-border)}
#fuaid-mobile-orbit .fm-resource-bar h1{font-size:16px;line-height:1.3;letter-spacing:0;margin:0;font-weight:600}
#fuaid-mobile-orbit .fm-resource-bar a{font-size:12px;flex-shrink:0;text-decoration:underline;text-underline-offset:3px}
#fuaid-mobile-orbit .fm-resource-status{font-size:12px;line-height:1.5;padding:8px 16px;margin:0;background:var(--fm-tile)}
#fm-frame-host{flex:1;min-height:0;background:white}#fm-frame-host iframe{display:block;width:100%;height:100%;border:0;background:white}
@media(max-width:370px){#fuaid-mobile-orbit .fm-bottom{justify-content:flex-start;gap:2px;padding-left:5px;padding-right:5px}#fuaid-mobile-orbit .fm-bottom a{font-size:11px}#fuaid-mobile-orbit .fm-resource-bar{gap:6px;padding:10px}#fuaid-mobile-orbit .fm-resource-bar h1{font-size:14px}}

/* 3.1.1: four bounded columns; each highlight stays inside its own cell. */
#fuaid-mobile-orbit{--fm-nav-height:76px}
#fuaid-mobile-orbit .fm-bottom{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;overflow:visible;padding:6px 10px calc(6px + env(safe-area-inset-bottom,0px))}
#fuaid-mobile-orbit .fm-bottom a{width:100%;min-width:0;max-width:none;min-height:64px;padding:6px 4px 9px;border-radius:16px;font-size:12px;font-weight:600;gap:5px}
#fuaid-mobile-orbit .fm-bottom a span{max-width:100%;line-height:1.2;white-space:nowrap}
#fuaid-mobile-orbit .fm-bottom a[aria-current="page"]{font-weight:600}
#fuaid-mobile-orbit.fm-resource-active>.fm-header{display:none}
#fuaid-mobile-orbit.fm-resource-active #fm-menu{top:50px}
#fm-resource-view{height:calc(100dvh - var(--fm-nav-height) - env(safe-area-inset-bottom,0px));min-height:0}
#fuaid-mobile-orbit .fm-resource-bar{height:50px;flex-shrink:0;padding:4px 10px;gap:6px;border-top:0}
#fuaid-mobile-orbit .fm-resource-bar h1{flex:1;min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#fuaid-mobile-orbit .fm-resource-bar .fm-back-home,#fuaid-mobile-orbit #fm-open-resource{display:grid;place-items:center;flex:0 0 38px;width:38px;min-height:40px;font-size:22px;text-decoration:none;border-radius:12px}
#fuaid-mobile-orbit .fm-resource-bar .fm-menu-toggle{width:auto;min-width:64px;min-height:40px;height:auto;padding:6px 9px;border-radius:12px;font-size:12px;font-weight:600;background:var(--fm-tile)}
@media(max-width:350px){#fuaid-mobile-orbit .fm-bottom{padding-left:6px;padding-right:6px;gap:4px}#fuaid-mobile-orbit .fm-bottom a{font-size:11px}#fuaid-mobile-orbit .fm-resource-bar{padding-left:6px;padding-right:6px;gap:3px}}

/* 3.1.2: compact top bars, retaining usable touch targets. */
#fuaid-mobile-orbit .fm-header{min-height:52px;padding:4px 12px}
#fuaid-mobile-orbit .fm-header .fm-brand{font-size:21px}
#fuaid-mobile-orbit .fm-header .fm-brand span{font-size:8px;margin-top:3px;line-height:1.3}
#fuaid-mobile-orbit .fm-header .fm-menu-toggle{width:40px;height:40px}
#fuaid-mobile-orbit #fm-menu{top:52px}
#fuaid-mobile-orbit.fm-resource-active #fm-menu{top:42px}
#fuaid-mobile-orbit .fm-resource-bar{height:42px;padding-top:0;padding-bottom:0}
#fuaid-mobile-orbit .fm-resource-bar h1{font-size:13px}

/* 3.1.3: compact bottom row, 48px touch targets plus safe area. */
#fuaid-mobile-orbit{--fm-nav-height:56px}
#fuaid-mobile-orbit .fm-bottom{height:calc(56px + env(safe-area-inset-bottom,0px));min-height:0;padding:4px 8px calc(4px + env(safe-area-inset-bottom,0px));gap:4px}
#fuaid-mobile-orbit .fm-bottom a{height:48px;min-height:48px;padding:3px 4px 7px;gap:3px;border-radius:12px;font-size:11px}
#fuaid-mobile-orbit .fm-bottom svg{width:20px;height:20px}
#fuaid-mobile-orbit .fm-bottom a[aria-current="page"]:after{height:2px;width:22px;bottom:2px}
@media(max-width:350px){#fuaid-mobile-orbit .fm-bottom{padding-left:6px;padding-right:6px}#fuaid-mobile-orbit .fm-bottom a{font-size:10px}}

/* 3.1.4: 48px bottom bar with full-height touch targets. */
#fuaid-mobile-orbit{--fm-nav-height:48px}
#fuaid-mobile-orbit .fm-bottom{height:calc(48px + env(safe-area-inset-bottom,0px));padding:0 6px env(safe-area-inset-bottom,0px);gap:4px}
#fuaid-mobile-orbit .fm-bottom a{height:48px;min-height:48px;padding:2px 3px 6px;gap:2px;border-radius:10px;font-size:10px}
#fuaid-mobile-orbit .fm-bottom svg{width:17px;height:17px}
@media(max-width:350px){#fuaid-mobile-orbit .fm-bottom a{font-size:10px}}

/* 3.1.5: a single line of icons and labels in a 40px bottom bar. */
#fuaid-mobile-orbit{--fm-nav-height:40px}
#fuaid-mobile-orbit .fm-bottom{height:calc(40px + env(safe-area-inset-bottom,0px));padding:0 4px env(safe-area-inset-bottom,0px);gap:2px}
#fuaid-mobile-orbit .fm-bottom a{height:40px;min-height:40px;padding:0 2px 3px;flex-direction:row;gap:3px;border-radius:8px;font-size:10px}
#fuaid-mobile-orbit .fm-bottom svg{width:14px;height:14px;flex-shrink:0}
#fuaid-mobile-orbit .fm-bottom a[aria-current="page"]:after{bottom:2px}
@media(min-width:370px){#fuaid-mobile-orbit .fm-bottom a{font-size:11px;gap:4px}}