.power-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999999;
  display: flex;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(2px);
  transition: opacity 0.3s ease;
}

.power-popup-body {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  width: 100%;
  max-width: 450px;
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  box-sizing: border-box;
  animation: powerPopupShow 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes powerPopupShow {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.power-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: #888;
  line-height: 1;
}
.power-popup-close:hover { color: #333; }

.power-promo-box { 
  background: #f4f7f6; 
  border: 1px dashed #27ae60; 
  padding: 15px; 
  border-radius: 8px; 
  margin-bottom: 15px; 
  box-sizing: border-box;
}
.power-popup-icon { font-size: 40px; margin-bottom: 10px; text-align: center;}
.power-popup-title { margin: 0 0 22px 0; color: #222; font-size: 22px; font-weight: 700; text-align: center;}
.power-popup-text { color: #555; font-size: 18px; margin: 0 0 20px 0; line-height: 1.4; text-align: center;}
.power-popup-text b { font-weight: bold; color: #000; }
.power-popup-text b span { color: red; }

.power-promo-box { background: #f4f7f6; border: 1px dashed #27ae60; padding: 15px; border-radius: 8px; margin-bottom: 15px; }
.power-promo-label { display: block; font-size: 12px; color: #666; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; text-align: center;}
.power-promo-code-wrapper { display: flex; gap: 8px; width: 100%; box-sizing: border-box; }
.power-promo-input { flex: 1; min-width: 0; background: #fff; border: 1px solid #ccd1d1; padding: 10px; border-radius: 4px; font-size: 16px; font-weight: 700; text-align: center; color: #27ae60; letter-spacing: 1px; }
.power-copy-btn { background: #27ae60; color: #fff; border: none; padding: 10px 15px; border-radius: 4px; font-size: 14px; cursor: pointer; font-weight: 600; transition: background 0.2s; white-space: nowrap; flex-shrink: 0}
.power-copy-btn:hover { background: #219653; }
.power-popup-footer { font-size: 12px; color: #999; margin: 0; text-align: center;}

@media (max-width: 768px) {
  .power-popup-overlay {
    align-items: flex-end;
  }
  .power-popup-body {
    max-width: 100%;
    border-radius: 16px 16px 0 0;
    padding: 20px;
    box-shadow: 0 -5px 25px rgba(0,0,0,0.15);
  }
  .power-popup-title { font-size: 18px; }
  .power-popup-text { font-size: 15px; margin-bottom: 15px; }
  .power-promo-box { padding: 12px; }
  .power-promo-input { font-size: 15px; padding: 8px; }
  .power-copy-btn { padding: 8px 12px; font-size: 13px; }
}

@media (max-width: 499px) {
.power-popup-body { max-height: 35vh; overflow-y: auto;padding: 10px 20px;}
.power-popup-icon { font-size: 25px; }
}