:root{--primary:#07c;--text:#1a1a1a;--background:#f7f9fc;--white:#fff;--shadow:rgba(0,0,0,.08) 0 4px 12px;--radius:12px}body{margin:0;font-family:'Inter','Segoe UI',sans-serif;line-height:1.6;background:var(--background);color:var(--text);transition:background .3s , color .3s}body.dark-mode{--background:#121212;--text:#eee;--white:#1e1e1e;--primary:#66b2ff;--shadow:rgba(0,0,0,.5) 0 4px 12px}header{background:var(--white);position:sticky;top:0;z-index:1000;border-bottom:1px solid #e5e5e5;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem}.header-logo{height:60px}.header-center{flex:1;text-align:center}.top-nav{display:inline-flex;gap:1.5rem;flex-wrap:wrap;font-size:1rem}.top-nav a,.bottom-nav a{text-decoration:none;font-weight:600;color:var(--primary);transition:color .2s;cursor:pointer}.top-nav a:hover,.bottom-nav a:hover{color:#004f8c}.header-right{display:flex;align-items:center;gap:1rem}.search-icon,.dark-toggle{font-size:1.2rem;cursor:pointer;color:var(--primary);background:none;border:none}.search-container{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;flex-direction:column;padding:2rem;display:none;z-index:2000;transition:opacity .3s ease}.search-container.active{display:flex}.search-input{width:100%;max-width:600px;padding:.75rem 1rem;font-size:1.2rem;border:none;border-radius:var(--radius);outline:none;box-shadow:var(--shadow)}.close-search{margin-top:1.5rem;background:none;border:none;color:var(--primary);font-size:1.5rem;cursor:pointer}.tab-content{display:none;padding:4rem 1.5rem;max-width:1000px;margin:auto}.tab-content.active{display:block}h2{font-size:2rem;margin-bottom:1.5rem;border-left:6px solid var(--primary);padding-left:.5rem}.location{margin-bottom:2rem;background:var(--white);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}.location h3{margin-top:0;margin-bottom:.5rem;color:var(--primary);font-size:1.25rem}.location-details{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1rem}.location-details div{flex:1 1 200px;background:#eef4fa;padding:.75rem 1rem;border-radius:8px;font-size:.95rem}.itinerary-controls{margin-top:1.5rem;display:flex;gap:1rem;align-items:center}.itinerary-controls input{padding:.5rem;border-radius:8px;border:1px solid #ccc;flex:1}.itinerary-controls button{background:var(--primary);color:#fff;border:none;padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-weight:bold}.bottom-nav{display:none}@media (max-width:768px){.top-nav{display:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--white);border-top:1px solid #ccc;justify-content:space-around;padding:.75rem 0;z-index:1000;box-shadow:var(--shadow)}.header-logo{height:50px}}