/* ================================================
   AI1Space - Pricing & Credits Styles
   ================================================ */

/* ================================================
   Credits Display (Header)
   ================================================ */
.credits-display {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.credits-display:hover {
  border-color: var(--primary);
  background: var(--surface-hover);
}

.credits-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.credits-amount {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
}

.credits-amount span {
  color: var(--primary-light);
}

/* ================================================
   Purchase Modal
   ================================================ */
.purchase-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.purchase-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.purchase-modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.purchase-modal.active .purchase-modal-content {
  transform: scale(1);
}

.purchase-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.purchase-modal-title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.purchase-modal-close {
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.purchase-modal-close:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.purchase-modal-body {
  padding: var(--space-6);
}

/* ================================================
   Pricing Cards Grid
   ================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.pricing-card {
  position: relative;
  background: var(--background);
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.pricing-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--background) 100%);
}

.pricing-card.featured::before {
  content: 'Mais Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-3);
  background: var(--primary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card-header {
  text-align: center;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.pricing-card-name {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.pricing-card-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing-card-credits {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.pricing-card-credits span {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card-price {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.pricing-card-price small {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card-features {
  list-style: none;
  margin-bottom: var(--space-4);
}

.pricing-card-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing-card-features li svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

.pricing-card-btn {
  width: 100%;
  justify-content: center;
}

/* ================================================
   Combos Section
   ================================================ */
.combos-section {
  margin-bottom: var(--space-6);
}

.combos-section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.combos-section-title svg {
  width: 20px;
  height: 20px;
  color: var(--warning);
}

.combos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
}

.combo-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.combo-card:hover {
  border-color: var(--primary);
  background: var(--surface);
}

.combo-name {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.combo-credits {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.combo-price {
  font-size: var(--text-lg);
  font-weight: 700;
}

.combo-discount {
  display: inline-block;
  margin-top: var(--space-2);
  padding: 2px 8px;
  background: var(--success-bg);
  color: var(--success);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* ================================================
   Purchase Success/Fail Pages
   ================================================ */
.purchase-result {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  text-align: center;
}

.purchase-result-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.purchase-result-icon.success {
  background: var(--success-bg);
  color: var(--success);
}

.purchase-result-icon.error {
  background: var(--danger-bg);
  color: var(--danger);
}

.purchase-result-icon svg {
  width: 40px;
  height: 40px;
}

.purchase-result-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.purchase-result-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
  max-width: 400px;
}

.purchase-result-credits {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--primary-glow);
  border-radius: var(--radius-full);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: var(--space-6);
}

.purchase-result-credits svg {
  width: 24px;
  height: 24px;
}

.purchase-result-actions {
  display: flex;
  gap: var(--space-3);
}

/* ================================================
   Balance Warning
   ================================================ */
.balance-warning {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.balance-warning-icon {
  flex-shrink: 0;
  color: var(--warning);
}

.balance-warning-icon svg {
  width: 20px;
  height: 20px;
}

.balance-warning-text {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text);
}

.balance-warning-text strong {
  color: var(--warning);
}

.balance-warning-action {
  flex-shrink: 0;
}

/* ================================================
   Free Tier Info
   ================================================ */
.free-tier-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--info-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--info);
}

.free-tier-info svg {
  width: 14px;
  height: 14px;
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .combos-grid {
    grid-template-columns: 1fr 1fr;
  }

  .purchase-modal-content {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
}

@media (max-width: 480px) {
  .combos-grid {
    grid-template-columns: 1fr;
  }
}