*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;min-height:100vh;transition:background .3s ease,color .3s ease}body.light{background:#f4f6f8;color:#111827}body.dark{background:#0f172a;color:#e5e7eb}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;background:#fff;box-shadow:0 2px 12px #00000014}body.dark .navbar{background:#020617}.nav-left{display:flex;align-items:center;gap:16px}.nav-left a{text-decoration:none;color:inherit;font-weight:600}.logo{font-size:1.1rem;font-weight:700}.nav-center{display:flex;gap:12px;flex:1;justify-content:center}.search-input{padding:10px 14px;border-radius:8px;border:1px solid #cbd5e1;min-width:220px;font-size:.95rem;outline:none}.search-input:focus{border-color:#2563eb}.filter-select{padding:10px 14px;border-radius:8px;border:1px solid #cbd5e1;font-size:.95rem;background:#fff;outline:none}body.dark .search-input,body.dark .filter-select{background:#020617;color:#e5e7eb;border-color:#334155}.theme-btn{padding:8px 14px;border-radius:8px;border:none;background:#2563eb;color:#fff;font-weight:600;cursor:pointer}.theme-btn:hover{background:#1d4ed8}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;padding:20px}.card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 10px 25px #00000014;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}body.dark .card{background:#020617}.card:hover{transform:translateY(-6px);box-shadow:0 16px 35px #00000026}.card img{width:100%;height:160px;object-fit:cover}.card h3{margin:12px;font-size:1.05rem}.card p{margin:4px 12px;font-size:.9rem;opacity:.9}.actions{margin-top:auto;padding:12px;display:flex;justify-content:space-between;align-items:center}.actions a{text-decoration:none;color:#2563eb;font-weight:600}.actions button{border:none;background:transparent;font-size:1.4rem;cursor:pointer;color:#facc15}button{padding:10px 18px;margin:20px auto;display:block;border-radius:8px;border:none;background:#2563eb;color:#fff;font-weight:600;cursor:pointer}button:hover{background:#1d4ed8}.skeleton-card{height:280px;border-radius:12px;background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6 37%,#e5e7eb 63%);background-size:400% 100%;animation:shimmer 1.4s infinite ease}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.empty-state{text-align:center;padding:60px 20px;opacity:.8}.details{max-width:1000px;margin:30px auto;padding:20px}.details-header{display:flex;gap:30px;align-items:center;margin-bottom:30px}.details-flag{width:320px;border-radius:12px;box-shadow:0 10px 25px #00000026}.details-info h2{margin-bottom:12px}.details-info p{margin-bottom:6px;font-size:.95rem}.weather-card{margin-top:20px;padding:20px;max-width:420px;border-radius:12px;background:#fff;box-shadow:0 10px 25px #0000001a}body.dark .weather-card{background:#020617}@media(max-width:768px){.navbar{flex-direction:column;align-items:stretch}.nav-center{flex-direction:column}.search-input,.filter-select{width:100%}.grid{padding:14px;gap:14px}.card img{height:140px}.details-header{flex-direction:column;align-items:flex-start}.details-flag{width:100%;max-width:360px}}.theme-icon{font-size:22px;cursor:pointer;display:flex;align-items:center}.theme-icon:hover{transform:scale(1.15)}