:root{--primary:#2563eb;--primary-dark:#1e40af;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-500:#6b7280;--gray-700:#374151;--dark:#1e293b;--font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--border-radius:8px;--box-shadow:0 1px 3px 0 rgba(0,0,0,0.1);--transition:all 0.3s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:var(--font-family);line-height:1.6;color:var(--dark);background:#fff}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.header{background:#fff;box-shadow:var(--box-shadow);position:sticky;top:0;z-index:1000}.header-content{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}.header-logo{display:flex;align-items:center}.logo{height:40px;width:auto}.logo-text{font-size:1.5rem;font-weight:700;color:var(--primary);margin-left:0.5rem}.desktop-nav{display:none}@media (min-width:768px){.desktop-nav{display:flex;gap:1rem}}.nav-link{padding:0.5rem 1rem;border-radius:var(--border-radius);color:var(--gray-700);font-weight:500;transition:var(--transition)}.nav-link:hover,.nav-link.active{background:var(--gray-100);color:var(--primary)}.header-actions{display:flex;align-items:center;gap:0.5rem}.mobile-menu-toggle{display:block;background:none;border:none;font-size:1.5rem;color:var(--dark);cursor:pointer}@media (min-width:768px){.mobile-menu-toggle{display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1.5rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition);text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff}.alert{padding:1rem;border-radius:var(--border-radius);margin-bottom:1rem;display:flex;align-items:center}.alert-success{background:#d1fae5;color:#065f46;border-left:4px solid #10b981}.alert-danger{background:#fee2e2;color:#991b1b;border-left:4px solid #ef4444}.hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:3rem 0;text-align:center}.hero-title{font-size:2rem;font-weight:700;margin-bottom:1rem}.hero-subtitle{font-size:1.1rem;margin-bottom:2rem;opacity:0.9}@media (min-width:768px){.hero{padding:4rem 0}.hero-title{font-size:2.5rem}}.search-form{background:#fff;padding:1.5rem;border-radius:var(--border-radius);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1);max-width:800px;margin:0 auto}.form-group{margin-bottom:1rem}.form-control{width:100%;padding:0.75rem 1rem;border:1px solid var(--gray-300);border-radius:var(--border-radius);font-size:1rem}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,0.1)}.text-center{text-align:center}.mt-3{margin-top:1rem}html:not(.fonts-loaded) body{opacity:0}html.fonts-loaded body{opacity:1;transition:opacity 0.3s ease}