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768px){.stats-section{grid-template-columns:1fr}.chart-header{flex-direction:column;gap:15px;align-items:flex-start}.current-price-info{flex-direction:column;gap:10px;align-items:flex-start}.links-grid{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5}.app{display:flex;height:100vh}.sidebar{width:280px;background:linear-gradient(180deg,#0f1419,#1a2332);padding:30px 0;color:#fff;position:fixed;height:100vh;overflow-y:auto}.logo{display:flex;align-items:center;gap:15px;padding:0 30px 30px;margin-bottom:20px}.logo-icon{background:linear-gradient(135deg,#667eea,#764ba2);padding:10px;border-radius:12px;display:flex;align-items:center;justify-content:center}.logo h1{font-size:24px;font-weight:700}.nav-menu{display:flex;flex-direction:column;gap:5px;padding:0 15px}.nav-item{display:flex;align-items:center;gap:15px;padding:15px;color:#9ca3af;text-decoration:none;border-radius:10px;transition:all .3s ease;font-weight:500}.nav-item:hover,.nav-item.active{background:#667eea1a;color:#667eea}.main-content{margin-left:280px;flex:1;padding:40px;overflow-y:auto;background:#f5f5f5}.search-container{position:relative;margin-bottom:30px}.search-box{display:flex;align-items:center;gap:12px;background:#fff;padding:12px 20px;border-radius:12px;box-shadow:0 2px 8px #0000000d;max-width:500px}.search-box input{flex:1;border:none;outline:none;font-size:15px}.search-results{position:absolute;top:60px;left:0;right:0;max-width:500px;background:#fff;border-radius:12px;box-shadow:0 4px 12px #0000001a;z-index:1000;overflow:hidden}.search-result-item{display:flex;align-items:center;gap:12px;padding:15px 20px;cursor:pointer;transition:background .2s}.search-result-item:hover{background:#f9fafb}.search-result-item img{width:32px;height:32px;border-radius:50%}.search-result-name{font-weight:600;color:#1f2937}.search-result-symbol{font-size:13px;color:#6b7280;text-transform:uppercase}.global-stats{background:#fff;padding:30px;border-radius:16px;box-shadow:0 2px 8px #0000000d;margin-bottom:30px}.global-stats h2{font-size:28px;margin-bottom:25px;color:#1f2937}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px}.stat-item{display:flex;flex-direction:column;gap:8px}.stat-label{color:#6b7280;font-size:14px}.stat-value{font-size:24px;font-weight:700;color:#1f2937}.top-cryptos{background:#fff;padding:30px;border-radius:16px;box-shadow:0 2px 8px #0000000d;margin-bottom:30px}.top-cryptos-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.top-cryptos-header 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#667eea26;border-color:#667eea}.crypto-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.crypto-info{display:flex;align-items:center;gap:12px}.crypto-rank{font-weight:700;color:#6b7280;font-size:16px}.crypto-name{font-weight:600;color:#1f2937;font-size:16px}.crypto-icon{width:40px;height:40px;border-radius:50%;padding:8px;display:flex;align-items:center;justify-content:center}.crypto-details{display:flex;flex-direction:column;gap:10px}.crypto-detail-row{display:flex;justify-content:space-between;font-size:14px}.detail-label{color:#6b7280}.detail-value{font-weight:600;color:#1f2937}.change-positive{color:#10b981}.change-negative{color:#ef4444}.loading{display:flex;justify-content:center;align-items:center;min-height:400px;font-size:18px;color:#6b7280}@media (max-width: 1024px){.sidebar{width:240px}.main-content{margin-left:240px}}@media (max-width: 768px){.sidebar{width:100%;height:auto;position:relative}.main-content{margin-left:0;padding:20px}.crypto-grid{grid-template-columns:1fr}}