.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: #fff;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    padding: 20px;
    text-align: center;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    background: transparent;
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-header {
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1.5rem;
    margin: 0;
}

.modal-subtitle {
    color: #666;
    font-size: 1rem;
    margin-top: 5px;
}

.modal-body {
    margin-top: 10px;
}

.modal-btn {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    margin-top: 15px;
}

.countdown-timer {
    margin-top: 15px;
    font-weight: bold;
    font-size: 1.1rem;
}

.modal-checkbox {
    margin-top: 15px;
    font-size: 0.9rem;
}

.offer-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: red;
    color: white;
    padding: 5px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
}