.lknc-coupon-box {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}
.lknc-coupon-header {
    background: #fdf2f2;
    padding: 12px 18px;
    border-bottom: 1px solid #f0d0d0;
    color: #c0392b;
    font-size: 15px;
}
.lknc-coupon-body {
    padding: 15px 18px;
}
.lknc-row {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}
.lknc-row input[type="email"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}
.lknc-row .button,
#lknc-apply-btn {
    background: #c0392b;
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}
.lknc-row .button:hover,
#lknc-apply-btn:hover {
    background: #a93226;
}
#lknc-coupon-select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #c0392b;
    border-radius: 4px;
    font-size: 15px;
    font-family: monospace;
    background: #fff;
    cursor: pointer;
}
.lknc-applied {
    color: #27ae60;
    font-size: 15px;
    margin: 0;
}