/**
 * TradeCalcs Pricing Table Styles
 * Version: 1.0.0
 *
 * Theming via CSS custom properties for easy customization.
 * Mobile responsive, accessible, clean design.
 */

:root {
  /* Pricing table colors */
  --tc-pricing-bg: #ffffff;
  --tc-pricing-border: #e5e7eb;
  --tc-pricing-text: #111827;
  --tc-pricing-text-muted: #6b7280;
  --tc-pricing-accent: #667eea;
  --tc-pricing-accent-hover: #5568d3;
  --tc-pricing-featured-bg: #f9fafb;
  --tc-pricing-featured-border: #667eea;
  --tc-pricing-unavailable: #d1d5db;

  /* Spacing */
  --tc-pricing-gap: 2rem;
  --tc-pricing-padding: 2rem;
  --tc-pricing-radius: 12px;

  /* Typography */
  --tc-pricing-name-size: 1.5rem;
  --tc-pricing-price-size: 3rem;
  --tc-pricing-period-size: 1rem;
  --tc-pricing-description-size: 0.875rem;
  --tc-pricing-feature-size: 0.9375rem;

  /* Shadows */
  --tc-pricing-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --tc-pricing-shadow-hover: 0 4px 24px rgba(0, 0, 0, 0.12);
  --tc-pricing-featured-shadow: 0 4px 24px rgba(102, 126, 234, 0.15);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --tc-pricing-bg: #1f2937;
    --tc-pricing-border: #374151;
    --tc-pricing-text: #f9fafb;
    --tc-pricing-text-muted: #d1d5db;
    --tc-pricing-accent: #818cf8;
    --tc-pricing-accent-hover: #6366f1;
    --tc-pricing-featured-bg: #111827;
    --tc-pricing-featured-border: #818cf8;
    --tc-pricing-unavailable: #4b5563;
  }
}

/* Main container */
.tc-pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--tc-pricing-gap);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* Individual plan card */
.tc-pricing-plan {
  display: flex;
  flex-direction: column;
  padding: var(--tc-pricing-padding);
  background: var(--tc-pricing-bg);
  border: 2px solid var(--tc-pricing-border);
  border-radius: var(--tc-pricing-radius);
  box-shadow: var(--tc-pricing-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  box-sizing: border-box;
}

.tc-pricing-plan:hover {
  transform: translateY(-4px);
  box-shadow: var(--tc-pricing-shadow-hover);
}

/* Featured/recommended plan */
.tc-pricing-plan-featured {
  border-color: var(--tc-pricing-featured-border);
  background: var(--tc-pricing-featured-bg);
  box-shadow: var(--tc-pricing-featured-shadow);
  transform: scale(1.05);
}

.tc-pricing-plan-featured::before {
  content: 'Recommended';
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--tc-pricing-accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tc-pricing-plan-featured:hover {
  transform: scale(1.05) translateY(-4px);
}

/* Plan name */
.tc-plan-name {
  font-size: var(--tc-pricing-name-size);
  font-weight: 700;
  color: var(--tc-pricing-text);
  margin-bottom: 0.5rem;
}

/* Plan price */
.tc-plan-price {
  font-size: var(--tc-pricing-price-size);
  font-weight: 800;
  color: var(--tc-pricing-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.tc-price-period {
  font-size: var(--tc-pricing-period-size);
  font-weight: 500;
  color: var(--tc-pricing-text-muted);
  vertical-align: baseline;
}

/* Plan description */
.tc-plan-description {
  font-size: var(--tc-pricing-description-size);
  color: var(--tc-pricing-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Features list */
.tc-plan-features {
  flex: 1;
  margin-bottom: 1.5rem;
  padding: 0;
  list-style: none;
}

.tc-feature {
  font-size: var(--tc-pricing-feature-size);
  color: var(--tc-pricing-text);
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
  line-height: 1.5;
  border-bottom: 1px solid var(--tc-pricing-border);
}

.tc-feature:last-child {
  border-bottom: none;
}

/* Checkmark icon for available features */
.tc-feature::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tc-pricing-accent);
  color: white;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Unavailable features */
.tc-feature-unavailable {
  color: var(--tc-pricing-unavailable);
  opacity: 0.6;
}

.tc-feature-unavailable::before {
  content: '×';
  background: var(--tc-pricing-unavailable);
}

/* CTA button */
.tc-plan-cta {
  display: block;
  width: 100%;
  padding: 1rem 2rem;
  background: var(--tc-pricing-accent);
  color: white;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  box-sizing: border-box;
}

.tc-plan-cta:hover,
.tc-plan-cta:focus {
  background: var(--tc-pricing-accent-hover);
  transform: translateY(-2px);
  outline: none;
}

.tc-plan-cta:active {
  transform: translateY(0);
}

.tc-plan-cta:focus-visible {
  outline: 3px solid var(--tc-pricing-accent);
  outline-offset: 2px;
}

/* Featured plan CTA */
.tc-pricing-plan-featured .tc-plan-cta {
  background: var(--tc-pricing-accent);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.tc-pricing-plan-featured .tc-plan-cta:hover {
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Mobile responsive */
@media (max-width: 768px) {
  :root {
    --tc-pricing-gap: 1.5rem;
    --tc-pricing-padding: 1.5rem;
    --tc-pricing-name-size: 1.25rem;
    --tc-pricing-price-size: 2.5rem;
  }

  .tc-pricing {
    grid-template-columns: 1fr;
  }

  .tc-pricing-plan-featured {
    transform: none;
  }

  .tc-pricing-plan-featured:hover {
    transform: translateY(-4px);
  }
}

/* Smaller mobile */
@media (max-width: 375px) {
  :root {
    --tc-pricing-padding: 1.25rem;
    --tc-pricing-price-size: 2rem;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .tc-pricing-plan,
  .tc-plan-cta {
    transition: none;
  }

  .tc-pricing-plan:hover,
  .tc-pricing-plan-featured:hover {
    transform: none;
  }
}