/* Popular Coins Section Styles */
.popular-coins-section {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 4rem 2rem;
    margin: 2rem 0;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.popular-coins-header {
    text-align: center;
    margin-bottom: 3rem;
}

.popular-coins-header h2 {
    color: #1f2937;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.popular-coins-header p {
    color: #4b5563;
    font-size: 1.2rem;
    margin: 0;
}

.popular-coins-container {
    max-width: 1200px;
    margin: 0 auto;
}

.popular-coins-loading {
    text-align: center;
    padding: 2rem;
}

.popular-coins-loading .loading-spinner {
    color: #3b82f6;
    font-size: 1.2rem;
    font-weight: 600;
}

.coins-controls {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.search-container {
    flex: 1;
    max-width: 400px;
}

.coin-search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background: #ffffff;
    color: #1f2937;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.coin-search-input:focus {
    outline: none;
    border-color: #3b82f6;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.pagination-info {
    color: #4b5563;
    font-weight: 600;
    font-size: 0.9rem;
}

.popular-coins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 0;
    margin-bottom: 2rem;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.pagination-btn {
    padding: 0.5rem 1rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #1f2937;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover {
    background: #f8fafc;
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    background: #f1f5f9;
}

.page-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-number {
    padding: 0.5rem 0.75rem;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    color: #1f2937;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 40px;
    text-align: center;
}

.page-number:hover {
    background: #f8fafc;
    border-color: #3b82f6;
}

.page-number.active {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.popular-coin-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    text-align: center;
}

.popular-coin-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.coin-info h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: #1f2937;
}

.coin-info .coin-symbol {
    font-size: 0.8rem;
    color: #4b5563;
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 0.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .popular-coins-section {
        padding: 2rem 1rem;
        margin: 1rem 0;
        border-radius: 15px;
    }
    
    .popular-coins-header h2 {
        font-size: 2rem;
    }
    
    .popular-coins-header p {
        font-size: 1rem;
    }
    
    .coins-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-container {
        max-width: none;
    }
    
    .pagination-controls {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .page-numbers {
        order: -1;
        width: 100%;
        justify-content: center;
    }
    
    .popular-coins-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 0.75rem;
    }
    
    .popular-coin-card {
        padding: 0.75rem;
    }
    
    .coin-info h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .popular-coins-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .popular-coins-header h2 {
        font-size: 1.8rem;
    }
    
    .popular-coin-card {
        padding: 0.5rem;
    }
    
    .coin-info h3 {
        font-size: 0.9rem;
    }
    
    .coin-info .coin-symbol {
        font-size: 0.7rem;
    }
}