.app-nav{display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;height:52px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;flex-shrink:0}.app-nav__left{display:flex;align-items:center;gap:1rem}.app-nav__left .brand-wordmark{font-family:var(--font-brand);font-size:1.1rem;font-weight:700;color:var(--text);text-decoration:none;letter-spacing:-.03em;font-style:italic;line-height:1}.app-nav__select-wrap{position:relative}.app-nav__select-wrap select{appearance:none;background:var(--surface-2);border:1px solid var(--border-2);border-radius:var(--radius);color:var(--text);font-size:.82rem;padding:.35rem 2rem .35rem .6rem;cursor:pointer;font-family:var(--font);outline:none;transition:border-color var(--transition);max-width:220px;text-overflow:ellipsis}.app-nav__select-wrap select:hover{border-color:var(--text-2)}.app-nav__select-wrap select:focus{border-color:var(--accent)}.app-nav__select-wrap:after{content:"";position:absolute;right:.6rem;top:50%;transform:translateY(-50%);border:4px solid transparent;border-top-color:var(--text-2);pointer-events:none}.app-nav__profile-text{font-size:.82rem;color:var(--text-2)}.app-nav__links{display:flex;gap:.75rem}.app-nav__links a{font-size:.82rem;color:var(--text-2);text-decoration:none;padding:.35rem .5rem;border-radius:var(--radius)}.app-nav__links a:hover{color:var(--text);background:var(--surface-2)}.app-nav__links a.active{color:var(--accent-lit)}.app-nav__credits{display:inline-flex;align-items:center;margin-right:.25rem}.app-nav__credits a{display:inline-flex;align-items:center;gap:.3rem;font-size:.82rem;font-variant-numeric:tabular-nums;color:var(--text);background:var(--surface-2);border:1px solid var(--border-2);border-radius:var(--radius);padding:.3rem .55rem;text-decoration:none;transition:border-color var(--transition)}.app-nav__credits a:hover{border-color:var(--accent);color:var(--accent-lit)}@media(max-width:768px){.app-nav{padding:0 1rem;gap:.5rem}.app-nav__select-wrap select{max-width:140px;font-size:.78rem;padding:.3rem 1.6rem .3rem .5rem}.app-nav__links{gap:.25rem}.app-nav__links a{padding:.3rem .35rem;font-size:.78rem}}.landing-nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.landing-nav-brand{text-decoration:none}.landing-nav .brand-wordmark{font-size:1.75rem}.landing-nav-links{display:flex;align-items:center;gap:1.5rem}.landing-nav-links a{font-size:.85rem;color:var(--text-2);text-decoration:none;transition:color var(--transition)}.landing-nav-links a:hover{color:var(--text)}.landing-nav-links a.active{color:var(--accent-lit)}.nav-toggle{display:none;background:none;border:none;color:var(--text);padding:.5rem;min-height:44px;min-width:44px;align-items:center;justify-content:center;cursor:pointer}.nav-toggle svg{width:24px;height:24px}@media(max-width:640px){.landing-nav{padding:.75rem 1rem;flex-wrap:wrap}.nav-toggle{display:inline-flex}.landing-nav-links{display:none;width:100%;flex-direction:column;gap:0;padding-top:.75rem}.landing-nav-links.open{display:flex}.landing-nav-links a{font-size:.9rem;padding:.75rem 0;border-top:1px solid var(--border);min-height:44px;display:flex;align-items:center}}