.btn-success { background-color: #C8102E; border: 1px solid #C8102E;}
.hd-close-btn:hover { color: #333; }
.coupon-code-box { background: #fff5f5; border: 2px dashed #ff4757; padding: 15px; font-size: 1.8rem; font-weight: bold; color: #ff4757; display: flex; align-items: center; justify-content: center; border-radius: 8px; margin: 20px 0;}
.text-success { color: #C8102E !important; }
.hd-modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); display: none; align-items: center; justify-content: center; z-index: 10000;}
.copy-btn { margin-left: 15px; }
.hd-close-btn { position: absolute; right: 15px; top: 10px; font-size: 28px; cursor: pointer; color: #999; line-height: 1;}
.btn-success:hover { background-color: #fff; border: 1px solid #C8102E; color: #C8102E;}
.hd-modal-content { background: white; padding: 40px; border-radius: 16px; width: 90%; max-width: 500px; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.3);}