.dr-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999999;
}

.dr-popup-content {
    background: #fff;
    border-radius: 8px;
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow: hidden;
}

.dr-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
    background: #f9f9f9;
}

.dr-popup-header h3 {
    margin: 0;
    font-size: 1.2em;
}

.dr-popup-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
    padding: 0 10px;
}

.dr-popup-close:hover {
    color: #333;
}

.dr-popup-body {
    padding: 30px 20px;
    text-align: center;
}

.dr-loading,
.dr-loading-large {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: dr-spin 1s linear infinite;
    margin: 20px auto;
}

.dr-loading {
    width: 40px;
    height: 40px;
}

.dr-loading-large {
    width: 60px;
    height: 60px;
}

.dr-success {
    color: #27ae60;
    padding: 15px;
    background: #d5f4e6;
    border-radius: 5px;
}

.dr-error {
    color: #e74c3c;
    padding: 15px;
    background: #fadbd8;
    border-radius: 5px;
}

.dr-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 5px;
    color: #fff;
    z-index: 999999;
}

.dr-notification-success {
    background: #27ae60;
}

.dr-notification-error {
    background: #e74c3c;
}

.dr-buy-btn {
    cursor: pointer;
}

@keyframes dr-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .dr-popup-content {
        width: 95%;
        margin: 20px;
    }
    
    .dr-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        text-align: center;
    }
}