.donation-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: #f9f9f9;
    border: 2px solid #F5A623;
    border-radius: 16px;
    padding: 0;
    font-family: 'Arial', sans-serif;
    overflow: hidden;
}
 
/* Tab buttons */
.donation-tabs {
    display: flex;
    background: #f0f0f0;
}
.tab-btn {
    flex: 1;
    padding: 16px;
    border: none;
    background: transparent;
    font-size: 18px;
    font-weight: 600;
    color: #F5A623;
    cursor: pointer;
    transition: all 0.3s;
}
.tab-btn.active {
    background: #ffffff;
    color: #F5A623;
    box-shadow: 0 2px 0 #F5A623;
}
 
/* Amount grid */
.amount-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin: 0;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}
.amt-btn {
    padding: 14px 8px;
    border: 1px solid #ddd;
    border-radius: 0;
    background: #fff;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.2s;
}
.amt-btn.active {
    background: #F5A623;
    color: #fff;
    border-color: #F5A623;
}
.amt-btn:hover { background: #FFF3D6; }
.amt-btn.active:hover { background: #e0941f; }
 
/* Custom amount */
.custom-amount { padding: 12px 20px; }
.custom-amount input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #F5A623;
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
}
 
/* Selected amount text */
.selected-amount-text {
    text-align: center;
    font-size: 18px;
    padding: 16px;
    margin: 0;
    color: #222;
}
 
/* Donor form */
.donor-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 20px 12px;
}
.donor-form input {
    padding: 12px 14px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 15px;
    transition: border 0.2s;
}
.donor-form input:focus {
    outline: none;
    border-color: #F5A623;
}
 
/* NEXT button */
.next-btn {
    width: calc(100% - 40px);
    margin: 0 20px 16px;
    padding: 16px;
    background: #F5A623;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
    display: block;
}
.next-btn:hover { background: #e0941f; }
 
/* Secure checkout */
.secure-checkout {
    text-align: center;
    padding: 12px;
    font-size: 13px;
    color: #666;
    border-top: 1px solid #eee;
}
 
/* Hidden utility */
.hidden { display: none !important; }
 
/* Responsive */
@media (max-width: 480px) {
    .amount-grid { grid-template-columns: repeat(2, 1fr); }
    .tab-btn { font-size: 15px; padding: 12px; }
}