.portal-nav{--portal-bg: rgba(255, 255, 255, .95);--portal-text: #0f172a;--portal-muted: #64748b;--portal-accent: #6366f1;--portal-border: #e2e8f0;--portal-header-height: 64px;position:sticky;top:0;z-index:1000;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--portal-bg);border-bottom:1px solid var(--portal-border);color:var(--portal-text);height:var(--portal-header-height)}.portal-nav__inner{display:flex;align-items:center;gap:1rem;padding:0 1.5rem;height:100%;max-width:none;margin:0}.portal-nav__brand{display:flex;align-items:center;gap:.75rem;flex-shrink:0;text-decoration:none}.portal-nav__logo-image{height:24px;width:auto}.portal-nav__links{display:none;align-items:center;justify-content:flex-start;gap:.25rem;flex:0 1 auto;min-width:0}@media(min-width:1024px){.portal-nav__links{display:flex}}.portal-nav__dropdown-wrapper{position:relative;padding-bottom:.5rem;margin-bottom:-.5rem}.portal-nav__link{display:inline-flex;align-items:center;text-decoration:none;color:var(--portal-muted);font-size:.8125rem;font-weight:600;padding:.5rem .75rem;border-radius:.5rem;border:1px solid transparent;transition:all .15s ease;white-space:nowrap;cursor:pointer;background:transparent}.portal-nav__link:hover,.portal-nav__link.hover{color:var(--portal-text);background:#f8fafc}.portal-nav__link.active{color:var(--portal-accent);background:#6366f114;border-color:#6366f133}.portal-nav__link--dropdown{gap:.25rem}.portal-nav__mega-dropdown{position:fixed;top:calc(var(--portal-header-height) - 1px);left:0;right:0;transform:none;background:#fff;border:1px solid var(--portal-border);border-radius:0 0 .75rem .75rem;box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;width:100vw;max-width:100vw;z-index:100;animation:dropdownFadeIn .15s ease-out;max-height:calc(100vh - var(--portal-header-height) - 1rem);overflow-y:auto}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.portal-nav__actions{display:flex;align-items:center;margin-left:0;gap:.5rem;flex-shrink:0}.portal-nav__icon-btn,.portal-nav__mobile-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:.625rem;color:var(--portal-muted);transition:all .15s ease;background:transparent;border:none;cursor:pointer}.portal-nav__icon-btn:hover,.portal-nav__mobile-toggle:hover{background:#f1f5f9;color:var(--portal-text)}.portal-nav__mobile-panel{position:fixed;top:var(--portal-header-height, 64px);right:0;bottom:0;width:100%;max-width:400px;background:#fff;z-index:1000;display:flex;flex-direction:column;overflow:hidden;animation:slideInRight .25s cubic-bezier(.16,1,.3,1);box-shadow:-4px 0 20px #0000001a}.portal-nav__mobile-scroll{min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.portal-nav__mobile-search{padding:1rem;border-bottom:1px solid var(--portal-border);background:#f8fafc}@keyframes slideDown{0%{opacity:0;max-height:0}to{opacity:1;max-height:500px}}.animate-slideDown{animation:slideDown .2s ease-out}@media(max-width:1023px){.portal-nav__inner{padding:0 1rem;gap:.75rem}.portal-nav__actions{gap:.25rem}}@media(max-width:640px){.portal-nav__mobile-panel{max-width:100%}}@media(prefers-color-scheme:dark){.portal-nav{--portal-bg: rgba(15, 23, 42, .95);--portal-text: #f1f5f9;--portal-muted: #94a3b8;--portal-border: #334155}.portal-nav__mega-dropdown{background:#1e293b;border-color:#334155}.portal-nav__mobile-panel{background:#0f172a}.portal-nav__mobile-search,.portal-nav__link:hover,.portal-nav__link.hover,.portal-nav__icon-btn:hover,.portal-nav__mobile-toggle:hover{background:#1e293b}}.portal-shell{--portal-header-height: 64px;min-height:100vh;display:flex;flex-direction:column}.portal-shell__content{flex:1}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem;background:linear-gradient(135deg,#667eea,#764ba2)}.error-boundary__content{max-width:600px;padding:3rem;background:#fff;border-radius:12px;box-shadow:0 20px 60px #0000004d;text-align:center}.error-boundary__content h1{margin:0 0 1rem;font-size:2rem;font-weight:700;color:#1a202c}.error-boundary__content p{margin:0 0 2rem;color:#4a5568;line-height:1.6}.error-boundary__details{margin:2rem 0;padding:1rem;background:#f7fafc;border-radius:8px;text-align:left}.error-boundary__details summary{cursor:pointer;font-weight:600;color:#2d3748;margin-bottom:.5rem}.error-boundary__details pre{margin:.5rem 0 0;padding:1rem;background:#2d3748;color:#fff;border-radius:4px;overflow-x:auto;font-size:.875rem;line-height:1.5}.error-boundary__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s}.button--primary{background:#667eea;color:#fff}.button--primary:hover{background:#5a67d8;transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.button--ghost{background:transparent;color:#667eea;border:2px solid #667eea}.button--ghost:hover{background:#667eea;color:#fff}