/* ══════════════════════════════════════════════
   NovoSpin — Custom Stripe Checkout
   Noir Casino Futuriste
   ══════════════════════════════════════════════ */

/* ── Background ── */
.checkout-bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(0,230,118,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(0,200,83,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0,0,0,0.6) 0%, transparent 60%);
}

/* ── Header ── */
.checkout-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  background: rgba(7,7,13,0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.checkout-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.checkout-brand .ns-brand {
  font-family: var(--ns-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--ns-white);
}

.checkout-brand .novo {
  color: var(--ns-green);
}

.checkout-back {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ns-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.checkout-back:hover {
  color: var(--ns-white);
}

/* ── Main Layout ── */
.checkout-main {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 48px 32px 80px;
  min-height: calc(100vh - 60px);
  align-items: start;
}

/* ── Summary Card (Left) ── */
.checkout-summary-card {
  background: linear-gradient(135deg, rgba(17,17,34,0.7) 0%, rgba(13,13,24,0.9) 100%);
  border: 1px solid rgba(0,230,118,0.1);
  border-radius: var(--r-xl);
  padding: 36px 32px;
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  box-shadow:
    0 24px 80px rgba(0,0,0,0.4),
    0 0 60px rgba(0,230,118,0.04),
    inset 0 1px 0 rgba(255,255,255,0.04);
  position: sticky;
  top: 92px;
  animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.checkout-plan-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0,230,118,0.1);
  border: 1px solid rgba(0,230,118,0.2);
  color: var(--ns-green);
  margin-bottom: 16px;
}

.checkout-plan-badge.gold {
  background: rgba(255,215,64,0.1);
  border-color: rgba(255,215,64,0.2);
  color: var(--ns-gold);
}

.checkout-plan-name {
  font-family: var(--ns-display);
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 6px;
}

.checkout-plan-desc {
  font-size: 14px;
  color: var(--ns-muted);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* ── Price Block ── */
.checkout-price-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.checkout-price-original {
  font-size: 18px;
  color: var(--ns-dim);
  text-decoration: line-through;
  font-weight: 600;
}

.checkout-price-main {
  display: flex;
  align-items: baseline;
}

.checkout-price-currency {
  font-family: var(--ns-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--ns-green);
  margin-right: 2px;
}

.checkout-price-value {
  font-family: var(--ns-mono);
  font-size: 48px;
  font-weight: 900;
  color: var(--ns-white);
  line-height: 1;
}

.checkout-price-period {
  font-size: 16px;
  color: var(--ns-muted);
  font-weight: 500;
  margin-left: 4px;
}

.checkout-price-discount {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--r-full);
  background: rgba(0,230,118,0.08);
  border: 1px solid rgba(0,230,118,0.15);
  font-size: 13px;
  font-weight: 800;
  color: var(--ns-green);
  font-family: var(--ns-mono);
}

/* ── Features ── */
.checkout-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.checkout-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ns-muted);
  font-weight: 500;
}

.checkout-feature svg {
  flex-shrink: 0;
}

/* ── Guarantee ── */
.checkout-guarantee {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(0,230,118,0.04);
  border: 1px solid rgba(0,230,118,0.08);
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--ns-green);
}

/* ── Payment Method Header ── */
.checkout-method-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  margin-bottom: 24px;
  background: rgba(0,230,118,0.04);
  border: 1px solid rgba(0,230,118,0.12);
  border-radius: var(--r-md);
  font-family: var(--ns-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--ns-green);
}

/* ── Form Card (Right) ── */
.checkout-form-card {
  background: linear-gradient(135deg, rgba(17,17,34,0.8) 0%, rgba(13,13,24,0.95) 100%);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-xl);
  padding: 36px 32px;
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  box-shadow:
    0 24px 80px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.04);
  animation: fadeUp 0.6s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.checkout-form-title {
  font-family: var(--ns-display);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.checkout-form-subtitle {
  font-size: 13px;
  color: var(--ns-dim);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* ── Promo Code ── */
.checkout-promo-section {
  margin-bottom: 24px;
}

.checkout-promo-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ns-muted);
  cursor: pointer;
  transition: color 0.2s;
  padding: 6px 0;
}

.checkout-promo-toggle:hover {
  color: var(--ns-green);
}

.checkout-promo-input-wrap {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  animation: fadeUp 0.3s ease both;
}

.checkout-promo-input {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-md);
  color: var(--ns-white);
  font-family: var(--ns-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: border-color 0.2s;
}

.checkout-promo-input:focus {
  border-color: rgba(0,230,118,0.3);
  outline: none;
}

.checkout-promo-input::placeholder {
  text-transform: none;
  color: var(--ns-dim);
  font-weight: 400;
  letter-spacing: 0;
}

.checkout-promo-btn {
  padding: 12px 20px;
  background: rgba(0,230,118,0.08);
  border: 1px solid rgba(0,230,118,0.15);
  border-radius: var(--r-md);
  color: var(--ns-green);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.checkout-promo-btn:hover {
  background: rgba(0,230,118,0.15);
  border-color: rgba(0,230,118,0.3);
}

.checkout-promo-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.checkout-promo-result {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: fadeUp 0.3s ease both;
}

.checkout-promo-result.success {
  background: rgba(0,230,118,0.06);
  border: 1px solid rgba(0,230,118,0.12);
  color: var(--ns-green);
}

.checkout-promo-result.error {
  background: rgba(255,59,92,0.06);
  border: 1px solid rgba(255,59,92,0.12);
  color: var(--ns-red);
}

/* ── Order Summary ── */
.checkout-order-summary {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--r-md);
  padding: 18px 20px;
  margin-bottom: 24px;
}

.checkout-order-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--ns-muted);
  padding: 6px 0;
}

.checkout-order-row .green {
  color: var(--ns-green);
}

.checkout-order-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 10px 0;
}

.checkout-order-total {
  font-size: 16px;
  font-weight: 800;
  color: var(--ns-white);
  font-family: var(--ns-display);
}

.checkout-order-total span:last-child {
  font-family: var(--ns-mono);
  font-size: 20px;
  color: var(--ns-green);
}

/* ── Stripe Element ── */
.checkout-payment-section {
  margin-bottom: 24px;
}

.checkout-stripe-element {
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-md);
  min-height: 80px;
  transition: border-color 0.2s;
}

.checkout-stripe-element:focus-within {
  border-color: rgba(0,230,118,0.25);
}

.checkout-payment-message {
  padding: 12px 16px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  margin-top: 12px;
  background: rgba(255,59,92,0.06);
  border: 1px solid rgba(255,59,92,0.12);
  color: var(--ns-red);
}

/* ── Submit Button ── */
.checkout-submit-btn {
  width: 100%;
  padding: 18px 32px;
  border: none;
  border-radius: var(--r-lg);
  background: var(--ns-grad-cyan);
  color: #020f06;
  font-family: var(--ns-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 6px 30px rgba(0,230,118,0.3);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.checkout-submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.checkout-submit-btn:hover:not(:disabled)::before {
  opacity: 1;
}

.checkout-submit-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 10px 50px rgba(0,230,118,0.45);
}

.checkout-submit-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.checkout-submit-btn.loading {
  pointer-events: none;
}

/* Spinner */
.checkout-spinner {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(2,15,6,0.2);
  border-top-color: #020f06;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ── Security Badges ── */
.checkout-security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.checkout-security-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--ns-dim);
  font-weight: 600;
}

/* ══════════════ SUCCESS OVERLAY ══════════════ */
.checkout-success-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(7,7,13,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.checkout-success-card {
  text-align: center;
  max-width: 420px;
  width: 100%;
  background: linear-gradient(135deg, rgba(17,17,34,0.8) 0%, rgba(13,13,24,0.95) 100%);
  border: 1px solid rgba(0,230,118,0.15);
  border-radius: var(--r-xl);
  padding: 48px 36px;
  box-shadow:
    0 24px 80px rgba(0,0,0,0.5),
    0 0 80px rgba(0,230,118,0.08);
  animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.checkout-success-icon {
  margin-bottom: 24px;
}

.checkout-success-icon svg {
  margin: 0 auto;
  filter: drop-shadow(0 0 24px rgba(0,230,118,0.4));
}

.success-circle {
  animation: drawCircle 0.6s 0.3s ease forwards;
}

.success-check {
  animation: drawCheck 0.4s 0.8s ease forwards;
}

@keyframes drawCircle {
  to { stroke-dashoffset: 0; }
}

@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}

.checkout-success-card h2 {
  font-family: var(--ns-display);
  font-size: 26px;
  margin-bottom: 10px;
  color: var(--ns-green);
}

.checkout-success-card p {
  font-size: 15px;
  color: var(--ns-muted);
  line-height: 1.6;
}

/* ══════════════ RESPONSIVE ══════════════ */
@media (max-width: 768px) {
  .checkout-main {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 16px 60px;
  }

  .checkout-summary-card {
    position: static;
    padding: 28px 24px;
  }

  .checkout-form-card {
    padding: 28px 24px;
  }

  .checkout-price-value {
    font-size: 36px;
  }

  .checkout-header {
    padding: 0 16px;
  }

  .checkout-security {
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .checkout-price-block {
    flex-direction: column;
    gap: 4px;
  }

  .checkout-promo-input-wrap {
    flex-direction: column;
  }

  .checkout-promo-btn {
    width: 100%;
  }
}