:root{--bg-color: #f8f9fa;--text-color: #343a40;--card-bg: #ffffff;--primary-color: #4361ee;--secondary-color: #3a0ca3;--accent-color: #4cc9f0;--border-color: #e9ecef;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--hover-shadow: 0 6px 12px rgba(0, 0, 0, .15);--success-color: #4caf50;--error-color: #f44336;--warning-color: #ff9800;--border-radius: 12px;--transition: all .3s cubic-bezier(.25, .8, .25, 1)}.dark{--bg-color: #121212;--text-color: #e1e1e1;--card-bg: #1e1e1e;--primary-color: #4895ef;--secondary-color: #4361ee;--accent-color: #4cc9f0;--border-color: #333333;--shadow: 0 4px 6px rgba(0, 0, 0, .3);--hover-shadow: 0 6px 12px rgba(0, 0, 0, .4)}.app{min-height:100vh;background-color:var(--bg-color);color:var(--text-color);padding:2rem;transition:var(--transition);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}h1,h2,h3,h4,h5,h6{margin:0 0 1rem;font-weight:600;line-height:1.2}h1{font-size:2.5rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}h2{font-size:1.75rem;color:var(--primary-color);position:relative;padding-bottom:.5rem}h2:after{content:"";position:absolute;bottom:0;left:0;width:50px;height:3px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));border-radius:3px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem;flex-wrap:wrap;gap:1rem}.main-content{max-width:1200px;margin:0 auto}.search-bar{display:flex;margin-bottom:2rem;max-width:600px;width:100%;position:relative}.search-bar input{flex:1;padding:1rem 1.5rem;border:2px solid var(--border-color);border-radius:var(--border-radius);font-size:1rem;background-color:var(--card-bg);color:var(--text-color);transition:var(--transition);box-shadow:var(--shadow)}.search-bar input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4361ee33}.search-bar button{padding:1rem 2rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;font-weight:600;margin-left:1rem;transition:var(--transition);box-shadow:var(--shadow);text-transform:uppercase;letter-spacing:.5px}.search-bar button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--hover-shadow)}.search-bar button:disabled{opacity:.7;cursor:not-allowed;background:var(--secondary-color)}.info-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-bottom:3rem}.country-card,.weather-card,.currency-card{background-color:var(--card-bg);border-radius:var(--border-radius);padding:2rem;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-color);position:relative;overflow:hidden}.country-card:hover,.weather-card:hover,.currency-card:hover{transform:translateY(-5px);box-shadow:var(--hover-shadow)}.country-card:before,.weather-card:before,.currency-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:5px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color))}.country-card img{width:100%;max-height:200px;object-fit:contain;border-radius:8px;margin:1.5rem 0;border:1px solid var(--border-color);box-shadow:var(--shadow)}.country-details{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.country-details p{margin:.5rem 0;display:flex;flex-direction:column}.country-details strong{color:var(--primary-color);margin-bottom:.25rem;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.weather-main{display:flex;align-items:center;gap:1.5rem;margin:1.5rem 0}.weather-main img{width:80px;height:80px}.weather-main span{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent}.weather-details{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;margin-top:1.5rem}.weather-details p{background-color:#4361ee1a;padding:.75rem;border-radius:8px;display:flex;flex-direction:column}.weather-details strong{color:var(--primary-color);font-size:.85rem;margin-bottom:.25rem}.converter{margin-top:1.5rem}.input-group{display:flex;flex-direction:column;margin-bottom:1rem}.input-group label{margin-bottom:.5rem;color:var(--primary-color);font-weight:500}.input-group input{padding:.75rem 1rem;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;background-color:var(--card-bg);color:var(--text-color);transition:var(--transition)}.input-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4361ee33}.result{margin:2rem 0;font-size:1.5rem;font-weight:700;text-align:center;padding:1.5rem;background-color:#4361ee1a;border-radius:var(--border-radius);border-left:4px solid var(--primary-color)}.rate{text-align:center;color:var(--secondary-color);font-size:.9rem;font-style:italic}.theme-toggle{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none;border-radius:50px;padding:.75rem 1.5rem;cursor:pointer;font-weight:600;transition:var(--transition);box-shadow:var(--shadow);display:flex;align-items:center;gap:.5rem}.theme-toggle:hover{transform:translateY(-2px);box-shadow:var(--hover-shadow)}.error{color:var(--error-color);margin:1rem 0;padding:1rem;background-color:#f443361a;border-radius:var(--border-radius);border-left:4px solid var(--error-color);display:flex;align-items:center;gap:.5rem}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite;margin-right:.5rem}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.app{padding:1.5rem}h1{font-size:2rem}.search-bar{flex-direction:column}.search-bar button{margin-left:0;margin-top:1rem;width:100%}.info-container{grid-template-columns:1fr}}@media (max-width: 480px){.app{padding:1rem}.country-details{grid-template-columns:1fr}.weather-details{grid-template-columns:1fr 1fr}}