.table-wrapper {
    max-height: 500px;
    overflow-y: auto;
    margin: 1rem 0;
    border: 1px solid #eee;
    border-radius: 8px;
}
.exchange-table-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.exchange-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.exchange-table th, 
.exchange-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.exchange-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.usd-section table {
    width: 100%;
    max-width: 500px;
    margin: 1rem 0;
}

.api-error {
    color: #dc3545;
    padding: 15px;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    margin: 1rem 0;
}

.cache-notice {
    color: #856404;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
}

.exchange-loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .exchange-table-container {
        margin: 1rem;
        padding: 15px;
    }
    
    .exchange-table th, 
    .exchange-table td {
        padding: 10px 12px;
        font-size: 14px;
    }
}