/* Upgrade Modal Overlay */
.upgrade-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

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

/* Modal Container */
.upgrade-modal {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  max-width: 480px;
  width: 90%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: transform 0.3s;
}

.upgrade-modal-overlay.active .upgrade-modal {
  transform: scale(1);
}

/* Header */
.upgrade-modal-header {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.upgrade-modal-header-content {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
}

.upgrade-modal-header-content h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: white;
}

.upgrade-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s;
  line-height: 1;
}

.upgrade-close-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Body */
.upgrade-modal-body {
  padding: 24px;
}

/* Limit section */
.upgrade-limit-section {
  background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
  border: 1px solid #f5c6c6;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.upgrade-limit-title {
  color: #495057;
  font-size: 15px;
  margin-bottom: 14px;
}

.upgrade-limit-title strong {
  color: #212529;
}

.upgrade-usage-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upgrade-usage-numbers {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.upgrade-usage-current {
  font-size: 1.6rem;
  font-weight: 700;
  color: #dc3545;
}

.upgrade-usage-separator {
  font-size: 1.1rem;
  color: #6c757d;
  font-weight: 500;
}

.upgrade-usage-limit {
  font-size: 1.6rem;
  font-weight: 700;
  color: #212529;
}

.upgrade-usage-period {
  font-size: 0.8rem;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  margin-left: 4px;
}

.upgrade-usage-bar {
  width: 100%;
  height: 8px;
  background: #e9ecef;
  border-radius: 4px;
  overflow: hidden;
}

.upgrade-usage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #dc3545 0%, #c82333 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Benefits */
.upgrade-benefits h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #212529;
  margin-bottom: 12px;
}

.upgrade-benefits-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upgrade-benefits-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #495057;
  font-size: 14px;
}

.upgrade-benefits-list li svg {
  color: #667eea;
  flex-shrink: 0;
}

/* Footer */
.upgrade-modal-footer {
  padding: 20px 24px;
  border-top: 1px solid #dee2e6;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  background-color: #f8f9fa;
}

.upgrade-later-btn {
  background: none;
  border: none;
  color: #6c757d;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 10px 16px;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
}

.upgrade-later-btn:hover {
  background-color: #e9ecef;
  color: #495057;
}

.upgrade-cta-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s;
}

.upgrade-cta-btn:hover {
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  color: white;
  text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
  .upgrade-modal {
    max-width: 95%;
  }

  .upgrade-modal-header,
  .upgrade-modal-body,
  .upgrade-modal-footer {
    padding: 16px;
  }

  .upgrade-modal-footer {
    flex-direction: column-reverse;
  }

  .upgrade-cta-btn,
  .upgrade-later-btn {
    width: 100%;
    justify-content: center;
  }
}