.mobile-tab-bar,.mobile-sub-nav{display:none}.mobile-sub-nav[hidden]{display:none!important}@media(max-width:430px){:root{--mobile-tabbar-h: calc(56px + max(8px, env(safe-area-inset-bottom))) ;--mobile-navbar-h: 56px}.mobile-tab-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:1100;height:var(--mobile-tabbar-h);padding-bottom:max(8px,env(safe-area-inset-bottom));align-items:stretch;background:var(--navbar-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border)}.tab-btn{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:44px;padding:6px 4px 0;border:none;border-radius:0;background:transparent;color:var(--text-muted);font-family:inherit;cursor:pointer;touch-action:manipulation;transition:color .2s ease}.tab-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:var(--radius-sm)}.tab-btn.active{color:var(--accent)}.tab-btn.active:before{content:"";position:absolute;top:0;display:block;width:24px;height:3px;border-radius:0 0 3px 3px;background:var(--accent)}.tab-icon{display:flex;align-items:center;justify-content:center;width:22px;height:22px;color:inherit;line-height:1;transition:transform .15s ease}.tab-btn.active .tab-icon{transform:scale(1.1)}.tab-label{font-size:.65rem;font-weight:600;letter-spacing:.02em;line-height:1}.mobile-sub-nav{display:flex;gap:8px;position:sticky;top:calc(56px + env(safe-area-inset-top));z-index:999;padding:6px 12px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;background:var(--surface-solid);border-bottom:1px solid var(--border)}.mobile-sub-nav::-webkit-scrollbar{display:none}.subnav-btn{flex:0 0 auto;min-height:44px;padding:6px 16px;border:1px solid var(--border);border-radius:var(--radius-full);background:transparent;color:var(--text-muted);font-family:inherit;font-size:.8rem;font-weight:600;white-space:nowrap;cursor:pointer;touch-action:manipulation}.subnav-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.subnav-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-toggle,.nav-menu{display:none!important}.nav-right-group{display:flex!important;align-items:center;gap:8px;margin-left:0}.nav-avatar{width:44px;height:44px;font-size:13px;cursor:pointer;touch-action:manipulation}.nav-avatar.active{outline:2px solid var(--accent);outline-offset:2px}.floating-dock{bottom:calc(1.5rem + var(--mobile-tabbar-h))}#navMeneerBtn{display:none}.floating-timer{bottom:calc(1.5rem + var(--mobile-tabbar-h) + 52px + .75rem)}#floatingMusicBar.docked{bottom:calc(1.5rem + var(--mobile-tabbar-h))}.main-content{padding-bottom:var(--mobile-tabbar-h)}body.is-pdf-reader-active .main-content{padding-bottom:0}body.focus-session-running .mobile-tab-bar,body.focus-session-running .mobile-sub-nav{display:none}body.focus-session-running .main-content{padding-bottom:0}body.focus-session-running .floating-dock,body.focus-session-running #floatingMusicBar.docked{bottom:calc(1.5rem + 64px + env(safe-area-inset-bottom))}body.focus-session-running .floating-timer{bottom:calc(2.25rem + 116px + env(safe-area-inset-bottom))}}

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