/* Popup container */
.popup {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Popup content box */
.popup-content {
  position: relative;
  background: #fff;
  padding: 20px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  max-width: 300px;
  width: 90%;
}

/* Ad image */
.popup-content img {
  width: 100%;
  border-radius: 12px;
}

/* Countdown section */
.countdown {
  margin-top: 10px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: #eee;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ff7a00, #ffb800);
  transition: width 1s linear;
}

/* Close button styling */
.close-btn {
  margin-top: 10px;
  font-size: 1rem;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: #ccc;
  color: #fff;
  font-weight: bold;
  transition: all 0.3s ease;
}

/* Enabled button */
.close-btn.enabled {
  background: #ff7a00;
}

.close-btn.enabled:hover {
  background: #e56f00;
}