:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;color-scheme:dark;color:#ffffffde;background-color:#242424}body{margin:0;min-width:320px;min-height:100vh}.container{max-width:1000px;margin:0 auto;padding:2rem}h1{text-align:center}table{width:100%;border-collapse:collapse;margin-top:20px;background-color:#1a1a1a;border-radius:8px;overflow:hidden}th,td{padding:15px;text-align:left;border-bottom:1px solid #333}th{background-color:#333;text-transform:uppercase;font-size:.85rem;letter-spacing:1px}.coin-info{display:flex;align-items:center;gap:10px}.coin-icon{width:25px;height:25px}.symbol{color:#888;font-size:.9em;text-transform:uppercase}.green{color:#4ade80}.red{color:#f87171}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.refresh-btn{background-color:#646cff;color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:700;transition:background-color .3s}.refresh-btn:hover{background-color:#535bf2}.search-input{width:100%;padding:12px;margin-bottom:20px;background-color:#1a1a1a;border:1px solid #333;border-radius:8px;color:#fff;font-size:1rem;box-sizing:border-box}.search-input:focus{outline:2px solid #646cff;border-color:transparent}.loading{text-align:center;font-size:1.2rem;color:#888;margin-top:50px}