/* ================================================================
   Popup Manager Styles — overlay + bottom-sheet modes
   Reference: docs/pricing-strategy/12-POPUP-STRATEGY.md
   ================================================================ */

/* ---- shared reset ---- */
.dj-popup,
.dj-popup * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ================================================================
   Backdrop
   ================================================================ */
.dj-popup__backdrop {
  position: fixed;
  inset: 0;
  z-index: 99998;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.dj-popup--visible .dj-popup__backdrop {
  opacity: 1;
  pointer-events: auto;
}

/* ================================================================
   Card (shared)
   ================================================================ */
.dj-popup__card {
  position: fixed;
  z-index: 99999;
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
}

/* ================================================================
   OVERLAY mode (desktop)
   ================================================================ */
.dj-popup--overlay .dj-popup__card {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  opacity: 0;
  width: 420px;
  max-width: 92vw;
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.dj-popup--overlay.dj-popup--visible .dj-popup__card {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* ================================================================
   BOTTOM-SHEET mode (mobile — avoids Google interstitial penalty)
   ================================================================ */
.dj-popup--bottom-sheet .dj-popup__backdrop {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: none;
}

.dj-popup--bottom-sheet .dj-popup__card {
  bottom: 0;
  left: 0;
  right: 0;
  transform: translateY(100%);
  opacity: 1;
  width: 100%;
  max-height: 70vh;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.15);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.dj-popup--bottom-sheet.dj-popup--visible .dj-popup__card {
  transform: translateY(0);
}

.dj-popup--bottom-sheet .dj-popup__card::before {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: #d0d0d0;
  border-radius: 4px;
  margin: 10px auto 0;
  flex-shrink: 0;
}

/* ================================================================
   Close button — always visible
   ================================================================ */
.dj-popup__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dj-popup__close:hover {
  background: rgba(255, 255, 255, 0.45);
  transform: rotate(90deg);
}

.dj-popup__close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ================================================================
   Header
   ================================================================ */
.dj-popup__header {
  position: relative;
  padding: 28px 24px 20px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.dj-popup__header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.dj-popup__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  font-size: 26px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: dj-popup-pulse 2.5s ease-in-out infinite;
}

@keyframes dj-popup-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 16px rgba(255,255,255,0.25); }
  50%      { transform: scale(1.06); box-shadow: 0 8px 24px rgba(255,255,255,0.35); }
}

.dj-popup__title {
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  position: relative;
  z-index: 1;
}

/* ================================================================
   Body
   ================================================================ */
.dj-popup__body {
  padding: 20px 24px;
  text-align: center;
}

.dj-popup__body p {
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: #444;
}

.dj-popup__body strong {
  color: #222;
}

/* ---- countdown timer ---- */
.dj-popup__countdown {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 18px;
  background: #fff3f0;
  color: #d63031;
  font-weight: 600;
  font-size: 15px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

/* ================================================================
   Actions
   ================================================================ */
.dj-popup__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 24px 24px;
  align-items: center;
}

.dj-popup__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border: none;
  border-radius: 10px;
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.dj-popup__btn--primary {
  background: linear-gradient(135deg, #2193b0 0%, #6dd5ed 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(33, 147, 176, 0.35);
}

.dj-popup__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(33, 147, 176, 0.45);
  color: #fff;
  text-decoration: none;
}

.dj-popup__btn--secondary {
  background: transparent;
  color: #888;
  font-weight: 500;
  font-size: 13px;
  padding: 8px 20px;
}

.dj-popup__btn--secondary:hover {
  color: #555;
  background: #f5f5f5;
}

.dj-popup__btn:focus-visible {
  outline: 2px solid #2193b0;
  outline-offset: 2px;
}

/* ================================================================
   Upgrade Modal (upgrade_modal.js)
   ================================================================ */
.dj-upgrade-modal {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.dj-upgrade-modal--visible {
  opacity: 1;
  visibility: visible;
}

.dj-upgrade-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.dj-upgrade-modal__card {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 16px;
  width: 440px;
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transform: scale(0.92) translateY(10px);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.dj-upgrade-modal--visible .dj-upgrade-modal__card {
  transform: scale(1) translateY(0);
}

.dj-upgrade-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dj-upgrade-modal__close:hover {
  background: rgba(255, 255, 255, 0.45);
  transform: rotate(90deg);
}

.dj-upgrade-modal__close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.dj-upgrade-modal__header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 28px 24px 20px;
  text-align: center;
  color: #fff;
  border-radius: 16px 16px 0 0;
  position: relative;
  overflow: hidden;
}

.dj-upgrade-modal__header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.dj-upgrade-modal__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  font-size: 26px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.dj-upgrade-modal__title {
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  position: relative;
  z-index: 1;
}

.dj-upgrade-modal__body {
  padding: 24px;
  text-align: center;
}

.dj-upgrade-modal__body p {
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: #444;
  margin-bottom: 8px;
}

.dj-upgrade-modal__product {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 20px;
  background: #f0f4ff;
  border-radius: 10px;
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #333;
}

.dj-upgrade-modal__product-price {
  color: #667eea;
}

.dj-upgrade-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 24px 24px;
  align-items: center;
}

.dj-upgrade-modal__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border: none;
  border-radius: 10px;
  font-family: 'Poppins', 'Open Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.dj-upgrade-modal__btn--primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(102, 126, 234, 0.35);
}

.dj-upgrade-modal__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.45);
  color: #fff;
  text-decoration: none;
}

.dj-upgrade-modal__btn--secondary {
  background: transparent;
  color: #888;
  font-weight: 500;
  font-size: 13px;
  padding: 8px 20px;
}

.dj-upgrade-modal__btn--secondary:hover {
  color: #555;
  background: #f5f5f5;
}

.dj-upgrade-modal__btn:focus-visible {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* ================================================================
   Mobile bottom-sheet tweaks for upgrade modal
   ================================================================ */
@media (max-width: 768px) {
  .dj-upgrade-modal {
    align-items: flex-end;
  }

  .dj-upgrade-modal__card {
    width: 100%;
    max-width: 100%;
    border-radius: 20px 20px 0 0;
    max-height: 80vh;
    transform: translateY(100%);
  }

  .dj-upgrade-modal--visible .dj-upgrade-modal__card {
    transform: translateY(0);
  }

  .dj-upgrade-modal__header {
    border-radius: 20px 20px 0 0;
  }

  .dj-upgrade-modal__card::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: #d0d0d0;
    border-radius: 4px;
    margin: 10px auto 0;
  }
}

/* ================================================================
   Responsive tweaks — popup bottom-sheet
   ================================================================ */
@media (max-width: 768px) {
  .dj-popup__header {
    padding: 22px 18px 16px;
  }

  .dj-popup__body {
    padding: 16px 18px;
  }

  .dj-popup__actions {
    padding: 4px 18px 20px;
  }

  .dj-popup__title {
    font-size: 18px;
  }

  .dj-popup__icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  .dj-popup__body p {
    font-size: 13px;
  }

  .dj-popup__btn {
    font-size: 13px;
    padding: 11px 20px;
  }
}

/* ================================================================
   Accessibility: reduced motion
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  .dj-popup__card,
  .dj-popup__backdrop,
  .dj-popup__close,
  .dj-popup__btn,
  .dj-popup__icon,
  .dj-upgrade-modal,
  .dj-upgrade-modal__card,
  .dj-upgrade-modal__close,
  .dj-upgrade-modal__btn {
    transition: none !important;
    animation: none !important;
  }
}

/* ================================================================
   High-contrast mode
   ================================================================ */
@media (prefers-contrast: high) {
  .dj-popup__card,
  .dj-upgrade-modal__card {
    border: 2px solid #333;
  }

  .dj-popup__btn,
  .dj-upgrade-modal__btn {
    border: 2px solid currentColor;
  }
}