/* ===================================================================
   UPGRADE MODAL - Elegant Checkout Flow
   =================================================================== */

/* ========== BACKDROP ========== */
.modal-upgrade-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.3s ease;
}

.modal-upgrade-backdrop.modal-upgrade-active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ========== MODAL CONTENT ========== */
.modal-upgrade-content {
  position: relative;
  background: linear-gradient(135deg, rgb(30, 41, 59), rgb(20, 33, 61));
  border: 1px solid rgb(34, 211, 238);
  border-radius: 2rem;
  padding: 2rem 1.5rem;
  max-width: 90%;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  animation: slideUp 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 640px) {
  .modal-upgrade-content {
    max-width: 600px;
    padding: 2.5rem 2rem;
  }
}

/* ========== CLOSE BUTTON ========== */
.modal-upgrade-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(51, 65, 85, 0.8);
  border: 1px solid rgb(71, 85, 105);
  border-radius: 0.75rem;
  color: rgb(148, 163, 184);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-upgrade-close:hover {
  background: rgba(71, 85, 105, 0.8);
  color: white;
  transform: rotate(90deg);
}

/* ========== HEADER ========== */
.modal-upgrade-header {
  text-align: center;
  margin-bottom: 2rem;
}

.modal-upgrade-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgb(34, 211, 238);
  border-radius: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgb(6, 182, 212);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.modal-upgrade-title {
  font-size: 1.75rem;
  font-weight: 900;
  color: white;
  margin: 0 0 0.75rem 0;
}

.modal-upgrade-subtitle {
  font-size: 0.875rem;
  color: rgb(203, 213, 225);
  margin: 0;
}

/* ========== PLANS GRID ========== */
.modal-upgrade-plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .modal-upgrade-plans {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========== PLAN CARD ========== */
.modal-upgrade-plan-card {
  position: relative;
  border: 2px solid transparent;
  border-radius: 1.25rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.modal-upgrade-plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* Plan color variants */
.modal-upgrade-plan-slate {
  background: rgba(51, 65, 85, 0.6);
  border-color: rgb(71, 85, 105);
}

.modal-upgrade-plan-emerald {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgb(34, 197, 94);
}

.modal-upgrade-plan-cyan {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgb(6, 182, 212);
}

.modal-upgrade-plan-amber {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgb(245, 158, 11);
}

/* Featured plan (highlight middle one) */
.modal-upgrade-plan-featured {
  grid-column: span 1;
  transform: scale(1.02);
  border-width: 3px;
  box-shadow: 0 8px 32px rgba(6, 182, 212, 0.2);
}

@media (min-width: 640px) {
  .modal-upgrade-plan-featured {
    grid-column: span 2;
  }
}

/* ========== PLAN BADGE ========== */
.modal-upgrade-plan-badge {
  position: absolute;
  top: -0.75rem;
  right: 1rem;
  padding: 0.4rem 0.75rem;
  background: linear-gradient(135deg, rgb(34, 197, 94), rgb(6, 182, 212));
  color: white;
  font-size: 0.65rem;
  font-weight: 900;
  border-radius: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========== PLAN HEADER ========== */
.modal-upgrade-plan-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.modal-upgrade-plan-icon {
  font-size: 1.75rem;
}

.modal-upgrade-plan-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin: 0;
}

/* ========== PLAN PRICE ========== */
.modal-upgrade-plan-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.modal-upgrade-price-value {
  font-size: 1.75rem;
  font-weight: 900;
  color: rgb(34, 197, 94);
}

.modal-upgrade-price-period {
  font-size: 0.875rem;
  color: rgb(148, 163, 184);
}

/* ========== PLAN FEATURES ========== */
.modal-upgrade-plan-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.modal-upgrade-feature {
  font-size: 0.875rem;
  color: rgb(203, 213, 225);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ========== PLAN CTA BUTTON ========== */
.modal-upgrade-plan-cta {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-upgrade-cta-slate {
  background: rgba(71, 85, 105, 0.8);
  color: rgb(148, 163, 184);
  cursor: default;
}

.modal-upgrade-cta-emerald {
  background: rgb(34, 197, 94);
  color: rgb(15, 23, 42);
}

.modal-upgrade-cta-emerald:hover {
  background: rgb(22, 163, 74);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.modal-upgrade-cta-cyan {
  background: linear-gradient(135deg, rgb(6, 182, 212), rgb(34, 211, 238));
  color: rgb(15, 23, 42);
}

.modal-upgrade-cta-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.modal-upgrade-cta-amber {
  background: linear-gradient(135deg, rgb(245, 158, 11), rgb(217, 119, 6));
  color: rgb(15, 23, 42);
}

.modal-upgrade-cta-amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.modal-upgrade-plan-cta:active {
  transform: scale(0.95);
}

/* ========== TRIAL INFO ========== */
.modal-upgrade-trial-info {
  font-size: 0.75rem;
  color: rgb(6, 182, 212);
  background: rgba(6, 182, 212, 0.1);
  padding: 0.5rem;
  border-radius: 0.5rem;
  text-align: center;
  margin-top: 0.75rem;
}

/* ========== CHECKOUT ========== */
.modal-upgrade-checkout {
  animation: slideIn 0.4s ease;
}

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

.modal-upgrade-checkout-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-upgrade-checkout-header h3 {
  font-size: 1.5rem;
  font-weight: 900;
  color: white;
  margin: 0 0 0.5rem 0;
}

.modal-upgrade-checkout-header p {
  font-size: 0.875rem;
  color: rgb(203, 213, 225);
  margin: 0;
}

.modal-upgrade-checkout-qrcode {
  text-align: center;
  margin: 1.5rem 0;
}

.modal-upgrade-qrcode-placeholder {
  width: 180px;
  height: 180px;
  margin: 0 auto;
  background: rgba(51, 65, 85, 0.8);
  border: 2px dashed rgb(71, 85, 105);
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: rgb(148, 163, 184);
}

/* ========== FOOTER ========== */
.modal-upgrade-footer {
  text-align: center;
  border-top: 1px solid rgb(71, 85, 105);
  padding-top: 1rem;
}

.modal-upgrade-terms {
  font-size: 0.75rem;
  color: rgb(148, 163, 184);
  margin: 0 0 1rem 0;
}

.modal-upgrade-footer-close {
  padding: 0.75rem 2rem;
  background: rgba(71, 85, 105, 0.6);
  border: 1px solid rgb(71, 85, 105);
  color: rgb(203, 213, 225);
  border-radius: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.modal-upgrade-footer-close:hover {
  background: rgba(71, 85, 105, 0.8);
  color: white;
}

/* ========== SCROLLBAR ========== */
.modal-upgrade-content::-webkit-scrollbar {
  width: 6px;
}

.modal-upgrade-content::-webkit-scrollbar-track {
  background: transparent;
}

.modal-upgrade-content::-webkit-scrollbar-thumb {
  background: rgba(34, 211, 238, 0.3);
  border-radius: 3px;
}

.modal-upgrade-content::-webkit-scrollbar-thumb:hover {
  background: rgba(34, 211, 238, 0.5);
}