.topbar{z-index:100;border-radius:var(--radius-full);background:var(--color-bg-glass);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(20px);width:max-content;box-shadow:var(--shadow-lg);align-items:center;gap:.5rem;padding:.6rem 1.2rem;display:flex;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%)}.topbar a{color:var(--color-light);transition:var(--transition-fast);background:0 0;border-radius:50%;justify-content:center;align-items:center;padding:.7rem;font-size:1.1rem;display:flex}.topbar a:hover{color:var(--color-primary);background:var(--color-primary-glow)}.topbar a.active{color:var(--color-primary);background:var(--color-primary-variant)}.topbar__divider{background:var(--border-medium);width:1px;height:20px;margin:0 .25rem}.language-selector{border-radius:var(--radius-full);color:var(--color-light);cursor:pointer;transition:var(--transition-fast);letter-spacing:.05em;background:0 0;border:none;align-items:center;gap:.3rem;padding:.5rem .7rem;font-family:inherit;font-size:.75rem;font-weight:600;display:flex}.language-selector:hover{color:var(--color-primary);background:var(--color-primary-glow)}.language-selector svg{font-size:1rem}.theme-toggle{border-radius:var(--radius-full);color:var(--color-light);cursor:pointer;transition:var(--transition-fast);letter-spacing:.05em;background:0 0;border:none;align-items:center;gap:.3rem;padding:.5rem .7rem;font-family:inherit;font-size:.75rem;font-weight:600;display:flex}.theme-toggle:hover{color:var(--color-primary);background:var(--color-primary-glow)}.theme-toggle svg{font-size:1rem}@media screen and (max-width:768px){.topbar{gap:.2rem;padding:.45rem .7rem;bottom:1rem}.topbar a{padding:.5rem;font-size:1rem}.topbar__hide-mobile{display:none}.topbar__divider{margin:0 .1rem}.language-selector span,.theme-toggle span{display:none}.language-selector,.theme-toggle{padding:.4rem}}