/**
 * Enrollment page styles – tier-specific themes and form layout.
 * Tier colors: Basic (green), Standard (yellow), Premium (purple), VIP (gold).
 */

/* Tier color variables */
.enrollment-page.tier-basic {
  --tier-primary: #16a34a;
  --tier-primary-hover: #15803d;
  --tier-gradient: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
  --tier-bg: rgba(22, 163, 74, 0.08);
  --tier-border: #22c55e;
  --tier-focus: rgba(22, 163, 74, 0.25);
}

.enrollment-page.tier-standard {
  --tier-primary: #ca8a04;
  --tier-primary-hover: #a16207;
  --tier-gradient: linear-gradient(135deg, #ca8a04 0%, #eab308 100%);
  --tier-bg: rgba(202, 138, 4, 0.08);
  --tier-border: #eab308;
  --tier-focus: rgba(202, 138, 4, 0.25);
}

.enrollment-page.tier-premium {
  --tier-primary: #7c3aed;
  --tier-primary-hover: #6d28d9;
  --tier-gradient: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
  --tier-bg: rgba(124, 58, 237, 0.08);
  --tier-border: #a78bfa;
  --tier-focus: rgba(124, 58, 237, 0.25);
}

.enrollment-page.tier-vip {
  --tier-primary: #b45309;
  --tier-primary-hover: #92400e;
  --tier-gradient: linear-gradient(135deg, #b45309 0%, #d97706 50%, #fbbf24 100%);
  --tier-bg: rgba(180, 83, 9, 0.1);
  --tier-border: #fbbf24;
  --tier-focus: rgba(180, 83, 9, 0.3);
}

.enrollment-hero {
  padding: var(--spacing-xl) 0;
  background: var(--tier-bg);
  border-bottom: 3px solid var(--tier-border);
}

.enrollment-hero h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.enrollment-hero .tier-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--tier-gradient);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.enrollment-form-section {
  padding: var(--spacing-2xl) 0;
}

.enrollment-form-section h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.enrollment-form {
  max-width: 480px;
  margin: 0 auto var(--spacing-2xl);
}

.enrollment-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

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

.enrollment-form .form-group {
  margin-bottom: var(--spacing-md);
}

.enrollment-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.enrollment-form label .optional {
  font-weight: 400;
  color: var(--text-muted);
}

.enrollment-form input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.enrollment-form input:focus {
  outline: none;
  border-color: var(--tier-primary);
  box-shadow: 0 0 0 3px var(--tier-focus);
}

.enrollment-payment-section {
  padding: var(--spacing-lg) 0 var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
}

.enrollment-payment-section h2 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.enrollment-payment-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

.btn-enrollment {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  box-sizing: border-box;
  min-height: 3rem;
}

.btn-enrollment-primary {
  background: var(--tier-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-enrollment-primary:hover,
.btn-enrollment-primary:focus {
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: 2px solid var(--tier-border);
  outline-offset: 2px;
  color: white;
}

.btn-enrollment-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--tier-primary);
}

.btn-enrollment-secondary:hover,
.btn-enrollment-secondary:focus {
  background: var(--tier-bg);
  outline: 2px solid var(--tier-primary);
  outline-offset: 2px;
}

.enrollment-free-note {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

.btn-enrollment.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

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

.enrollment-success-message {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--tier-primary) 12%, transparent);
  border: 1px solid var(--tier-border);
}

.enrollment-page main .container {
  max-width: 720px;
}