.donation-card {
    padding: 40px 30px;
    text-align: center;
    border-radius: 15px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #dee2e6;
    transition: all 0.3s ease;
}

.donation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.donation-card.kofi {
    border-top: 4px solid #FF5E5B;
}

.donation-card.pix {
    border-top: 4px solid #32BCAD;
}

.donation-card.buymeacoffee {
    border-top: 4px solid #FFDD00;
}

.donation-icon {
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donation-icon img {
    max-height: 60px;
    width: auto;
}

.donation-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2d3748;
}

.donation-card p {
    color: #6c757d;
    font-size: 0.95rem;
}

.pix-info {
    background: white;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #dee2e6;
}

.pix-key {
    font-size: 1rem;
    font-weight: 600;
    word-break: break-all;
    color: #2d3748;
    font-family: 'Courier New', monospace;
    background: #f8f9fa;
    padding: 10px;
    border-radius: 8px;
}

.qr-code-container {
    width: 220px;
    height: 220px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 2px solid #dee2e6;
}

#pixQRCode {
    display: flex;
    align-items: center;
    justify-content: center;
}

#pixQRCode canvas {
    border-radius: 8px;
}

/* Ko-fi button fix */
.donation-card.kofi .btn-success {
    background: #13C3A7;
    border-color: #13C3A7;
    color: #ffffff !important;
    font-weight: 600;
}

.donation-card.kofi .btn-success:hover {
    background: #0FA68A;
    border-color: #0FA68A;
    color: #ffffff !important;
}