/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.8rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn--secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn--large {
  padding: 1.1rem 2.75rem;
  font-size: 1.1rem;
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-xl);
}

.card__header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.card__footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.badge--accent {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
}

.badge--success {
  background-color: #D1FAE5;
  color: #065F46;
}

/* Tags / Chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  background: var(--color-surface);
  color: var(--color-text);
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.chip.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 600;
}

.chip__icon {
  font-size: 1.1rem;
}

/* Price Card */
.price-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
}

.price-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.price-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.price-card--featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-card__amount {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-md) 0;
}

.price-card__amount span {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.price-card__features {
  margin: var(--space-xl) 0;
  text-align: left;
}

.price-card__features li {
  padding: var(--space-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.price-card__features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

/* Progress Bar */
.progress-bar {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
}

.progress-step {
  display: flex;
  align-items: center;
  flex: 1;
}

.progress-step__circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  transition: all var(--transition-base);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.progress-step__line {
  flex: 1;
  height: 3px;
  background: var(--color-border);
  transition: background var(--transition-base);
}

.progress-step.active .progress-step__circle {
  background: var(--color-accent);
  color: var(--color-primary);
}

.progress-step.completed .progress-step__circle {
  background: var(--color-success);
  color: white;
}

.progress-step.completed .progress-step__line {
  background: var(--color-success);
}

.progress-step__label {
  position: absolute;
  top: 48px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.progress-step.active .progress-step__label {
  color: var(--color-accent);
}

/* Currency Selector */
.currency-selector select {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.3);
  color: var(--color-accent);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C9A84C' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  padding-right: 1.5rem;
}

.currency-selector select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Affiliate CTA */
.affiliate-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-decoration: none;
}

.affiliate-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
}

.affiliate-disclosure {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-base);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Locked Overlay */
.locked-overlay {
  position: relative;
}

.locked-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, var(--color-bg) 60%);
  pointer-events: none;
}

.locked-overlay .lock-cta {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: auto;
}