body {
    font-family: 'Poppins', sans-serif;
    color: #e5e7eb;
    background: rgba(30, 35, 55, 0.92);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    color: #fff;
    margin-bottom: 30px;
    font-weight: 600;
}

/* Back button */
.back-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: #a0aec0;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #fff;
}

.back-link i {
    margin-right: 12px;
    background: rgba(255, 255, 255, 0.08);
    width: 32px;
    height: 32px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.back-link:hover i {
    background: rgba(255, 255, 255, 0.15);
}

/* Payment History List */
.payment-history-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Payment Card */
.payment-card {
    background: rgba(30, 35, 55, 0.92);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 8px 30px rgba(120, 119, 198, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.payment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.6), 0 12px 35px rgba(120, 119, 198, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.card-section {
    padding: 10px;
    box-sizing: border-box;
}

.card-section.method {
    display: flex;
    align-items: center;
    flex-basis: 100%;
    margin-bottom: 15px;
}

.card-section.method img {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    padding: 5px;
}

.card-section.amount {
    flex-basis: 50%;
    text-align: left;
}

.card-section.status-date {
    flex-basis: 50%;
    text-align: right;
}

.card-label {
    font-size: 12px;
    color: #a0aec0;
    display: block;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.amount-bdt {
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}

.amount-usd {
    font-size: 14px;
    color: #a0aec0;
}

.payment-status {
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 14px;
    display: inline-block;
}

.status-confirmed {
    background-color: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}

.status-pending {
    background-color: rgba(241, 196, 15, 0.15);
    color: #f1c40f;
}

.status-rejected {
    background-color: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

.payment-date {
    font-size: 14px;
    color: #a0aec0;
    margin-top: 8px;
    display: block;
}

/* Responsive Design */
@media (max-width: 600px) {
    .payment-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .card-section {
        width: 100%;
        flex-basis: auto;
    }

    .card-section.amount,
    .card-section.status-date {
        text-align: left;
        padding-top: 0;
    }
    
    .card-section.status-date {
        margin-top: 15px;
    }
}