.donasi-card {
    background: black;
    border: 2px solid #ff69b4;
    border-radius: 30px;
    padding: 35px;
    max-width: 550px;
    margin: 40px auto;
    box-shadow: 0 0 30px #ff69b4;
}

.donasi-header {
    text-align: center;
    margin-bottom: 30px;
}

.donasi-header i {
    font-size: 3.5rem;
    color: #ff69b4;
    margin-bottom: 10px;
}

.donasi-header h2 {
    color: #ffb6c1;
    font-size: 2rem;
    margin-bottom: 5px;
}

.donasi-header p {
    color: #ffccdd;
    font-size: 1rem;
}

/* Quick amount buttons dengan efek */
.quick-amount-container {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.quick-amount-btn {
    background: rgba(255,105,180,0.1);
    border: 1px solid #ff69b4;
    border-radius: 40px;
    padding: 12px 15px;
    color: #ffb6c1;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    flex: 1 0 auto;
    min-width: 70px;
    position: relative;
    overflow: hidden;
}
.quick-amount-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}
.quick-amount-btn:active::after {
    width: 200px;
    height: 200px;
}
.quick-amount-btn:hover {
    background: #ff69b4;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,105,180,0.4);
}
.quick-amount-btn.active {
    background: #ff1493;
    color: white;
    box-shadow: 0 0 20px #ff1493;
}

/* Tombol custom nominal */
.btn-custom-nominal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255,105,180,0.05);
    border: 1px dashed #ff69b4;
    border-radius: 60px;
    padding: 12px;
    color: #ffb6c1;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    margin-bottom: 20px;
}
.btn-custom-nominal:hover {
    background: rgba(255,105,180,0.2);
    color: #ff1493;
    border-color: #ff1493;
}

/* Info nominal terpilih */
.selected-amount-info {
    background: rgba(255,105,180,0.1);
    border: 1px solid #ff69b4;
    border-radius: 40px;
    padding: 10px 15px;
    margin: 15px 0;
    color: #ffb6c1;
    text-align: center;
    font-weight: 600;
    animation: fadeIn 0.3s ease;
}
.selected-amount-info i {
    color: #28a745;
    margin-right: 8px;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Tombol Buat QRIS */
.btn-donasi {
    width: 100%;
    background: linear-gradient(135deg, #ff69b4, #ff1493);
    border: none;
    border-radius: 60px;
    padding: 18px;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 0 15px #ff69b4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.btn-donasi:hover:not(:disabled) {
    transform: scale(1.02);
    box-shadow: 0 0 25px #ff1493;
}
.btn-donasi:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-donasi:disabled:hover {
    transform: none;
    box-shadow: 0 0 15px #ff69b4;
}