/* Nero navigation: floating desktop dock and compact mobile header. */
.ax-app .ax-nav-wrap { top:6px;padding:0 12px;height:44px;align-items:center; }
.ax-app .ax-nav { position:absolute;left:45%;transform:translateX(-50%);display:flex;gap:2px;width:max-content;max-width:calc(100vw - 150px);height:44px;padding:5px 8px;border-radius:999px;box-shadow:0 8px 30px #0003,inset 0 1px 0 rgb(var(--ax-ink-rgb) / .08); }
.ax-app .ax-nav-group { display:flex;flex:0 0 auto;align-items:center;gap:2px; }
.ax-app .ax-nav-group:last-child { justify-content:flex-end; }
.ax-app .ax-nav .ax-nav-btn,.nero-nav-tools .ax-nav-btn { display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:auto;min-width:36px;height:32px;min-height:32px;padding:0 9px;border-radius:999px;gap:0; }
.ax-app .ax-nav .ax-nav-btn>span { display:inline-block;max-width:0;opacity:0;overflow:hidden;white-space:nowrap;transition:max-width .25s,opacity .2s,margin .25s; }
.ax-app .ax-nav .ax-nav-btn:is(:hover,:focus-visible)>span { max-width:120px;opacity:1;margin-left:7px; }
.ax-app .ax-nav-logo { flex:0 0 auto;justify-content:center;height:34px;min-width:112px;padding:0 16px;margin:0 4px;border:1px solid var(--ax-border);border-radius:999px;background:var(--ax-input);font-size:17px; }
.ax-app .ax-nav-logo .nero-brand-icon { width:20px;height:24px; }
.ax-app .ax-nav-btn svg { display:block;width:18px;height:18px; }
.nero-nav-tools { pointer-events:auto;position:absolute;right:max(12px,calc((100vw - 1200px)/2));display:flex;align-items:center;gap:2px;height:44px;padding:5px;border:1px solid var(--ax-border);border-radius:999px;background:var(--ax-glass);backdrop-filter:var(--ax-blur);box-shadow:0 8px 30px #0003; }
.ax-app .ax-nav .ax-nav-btn.active::after { display:none; }
.ax-app .ax-nav .ax-nav-btn.active { background:var(--ax-active); }
.nero-mobile-top,.nero-mobile-bottom { display:none; }
.nero-mobile-menu { width:min(440px,calc(100vw - 24px));max-height:calc(100dvh - 100px - env(safe-area-inset-top));margin:calc(74px + env(safe-area-inset-top)) auto auto;padding:16px;overflow-y:auto;overscroll-behavior:contain;border:1px solid var(--ax-border);border-radius:24px;background:var(--ax-glass-strong);backdrop-filter:var(--ax-blur);color:var(--ax-fg);box-shadow:0 20px 60px #0005;font-family:var(--font-primary); }
.nero-mobile-menu::backdrop { background:#0005;backdrop-filter:blur(4px); }
.nero-mobile-menu>header { display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px; }
.nero-mobile-menu>header strong { font-size:18px; }.nero-mobile-menu>header button { display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:var(--ax-input);color:var(--ax-fg);font:26px system-ui;cursor:pointer; }
.nero-mobile-menu section+section { margin-top:20px; }.nero-mobile-menu h2 { margin:0 8px 8px;font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ax-muted); }
.nero-menu-list { display:grid;gap:4px; }
.nero-menu-list .ax-nav-btn,.nero-menu-list .nero-theme-toggle { display:flex!important;align-items:center;justify-content:flex-start;gap:12px;width:100%!important;min-width:0!important;min-height:48px;height:auto;padding:12px!important;flex-basis:auto;border-radius:14px;text-align:left;line-height:1.5; }
.nero-menu-list .ax-nav-btn span { display:inline; }.nero-menu-list svg { width:20px;height:20px;flex-shrink:0; }
.nero-menu-list .ax-nav-btn.active { background:var(--ax-active); }.nero-menu-list .ax-nav-btn.active::after { display:none; }
@media(max-width:767px){
 .ax-app .ax-nav,.ax-app .nero-nav-tools { display:none; }
 .ax-app .ax-nav-wrap { top:calc(12px + env(safe-area-inset-top));padding:0 12px; }
 .nero-mobile-top { display:flex;align-items:center;gap:10px;pointer-events:auto;width:100%;max-width:520px; }
 .nero-mobile-top>.ax-nav-logo { flex:1;min-width:0;height:44px;margin:0;background:var(--ax-glass);border:1px solid var(--ax-border);border-radius:999px;backdrop-filter:var(--ax-blur);box-shadow:var(--ax-card-shadow); }
 .nero-mobile-top>.ax-nav-logo>span { display:inline; }.nero-mobile-top>.ax-nav-logo .nero-brand-icon { width:20px;height:24px; }
 .nero-menu-toggle,.nero-mobile-top>.ax-nav-btn { position:relative;display:grid;place-items:center;flex:0 0 44px;width:44px;min-width:44px;min-height:44px;height:44px;padding:0;border:1px solid var(--ax-border);border-radius:50%;background:var(--ax-glass);backdrop-filter:var(--ax-blur);box-shadow:var(--ax-card-shadow);color:var(--ax-fg);cursor:pointer; }
 .nero-menu-toggle svg { width:20px;height:20px; }.nero-mobile-top .ax-nav-btn svg { width:20px;height:20px; }
 .nero-mobile-bottom { pointer-events:auto;position:fixed;bottom:calc(10px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:50;display:flex;align-items:center;gap:4px;width:max-content;max-width:calc(100vw - 24px);padding:5px;border:1px solid var(--ax-border);border-radius:999px;background:var(--ax-glass-strong);backdrop-filter:var(--ax-blur);box-shadow:0 8px 30px #0004; }
 .nero-mobile-bottom .ax-nav-btn { display:grid;place-items:center;flex:0 0 44px;min-width:44px;width:44px;height:44px;padding:0;border-radius:999px; }
 .nero-mobile-bottom .ax-nav-btn>span { display:none; }.nero-mobile-bottom .ax-nav-btn.active { background:var(--ax-active); }.nero-mobile-bottom .ax-nav-btn.active::after { display:none; }
 .ax-app:has(#notification-unread:not([hidden])) .nero-mobile-top [data-go="notifications"]::after,.ax-app:has(#chat-unread:not([hidden])) .nero-mobile-bottom [data-go="chat"]::after { content:'';position:absolute;top:7px;right:7px;width:7px;height:7px;border-radius:50%;background:var(--ax-purple);box-shadow:0 0 0 2px var(--ax-bg); }
 .ax-app { padding:calc(82px + env(safe-area-inset-top)) 12px calc(86px + env(safe-area-inset-bottom)); }
 .ax-app .ax-top-button { bottom:calc(76px + env(safe-area-inset-bottom)); }
}