/* TRIZEL Statistics — Additional Styles (Phase E.1 Enhanced)
 * Extends tokens.css, scientific-ui.css, and system-map.css
 * Static metrics display — NASA-grade layout and typography
 */

/* Statistics Grid Layout */
.stats-section {
  margin: var(--space-12) 0;
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stats-section h3 {
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* Responsive stats grid (Phase E.2) */
@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (min-width: 2560px) {
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
    gap: var(--space-8);
  }
}

/* Statistic Cards — Enhanced professional polish */
.stat-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  /* Phase E.3: Refined institutional timing */
  transition: border-color var(--transition-base), 
              box-shadow var(--transition-base), 
              transform var(--transition-slow);
  box-shadow: var(--shadow-sm);
}

/* Subtle hover — NASA-grade restraint (Phase E.3) */
.stat-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Enhanced keyboard focus (Phase E.3) */
.stat-card:focus-within {
  outline: none;
  box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color),
              var(--shadow-md);
  border-color: var(--color-accent);
}

.stat-value {
  font-size: clamp(2.5rem, 8vw, 3.75rem);
  font-weight: var(--font-extrabold);
  color: var(--color-accent);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--tracking-tighter);
}

.stat-label {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
}

.stat-description {
  font-size: clamp(0.8rem, 1.5vw, 0.875rem);
  color: var(--color-text-medium);
  line-height: var(--leading-relaxed);
}

/* Page Footer */
.page-footer {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.update-notice {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  font-style: italic;
  text-align: center;
}

/* Mobile Responsive */
@media (max-width: 767px) {
  .stat-card {
    padding: var(--space-5);
  }

  .stats-section {
    padding: var(--space-5);
  }
}

/* Ultra-wide enhancements */
@media (min-width: 2560px) {
  .stats-section {
    padding: var(--space-12);
  }
  
  .stat-card {
    padding: var(--space-10);
  }
}

/* Print Optimization */
@media print {
  .stats-grid {
    display: block;
  }

  .stat-card {
    border: 1pt solid #000;
    padding: 0.4cm;
    margin-bottom: 0.3cm;
    page-break-inside: avoid;
  }

  .stat-value {
    font-size: 18pt;
    color: #000;
  }

  .stat-label {
    font-size: 12pt;
    font-weight: 600;
  }

  .stat-description {
    font-size: 10pt;
  }

  .stats-section {
    page-break-inside: avoid;
    margin: 0.5cm 0;
  }

  .stats-section h3 {
    font-size: 14pt;
    margin-bottom: 0.3cm;
    page-break-after: avoid;
  }

  .page-footer {
    margin-top: 1cm;
    page-break-before: avoid;
  }

  .update-notice {
    font-size: 9pt;
  }
}

/* RTL Support for Arabic */
[dir="rtl"] .stat-card {
  text-align: center;
}

[dir="rtl"] .stats-section h3 {
  text-align: right;
}

[dir="rtl"] .stat-value,
[dir="rtl"] .stat-label,
[dir="rtl"] .stat-description {
  direction: rtl;
  text-align: center;
}

/* High Contrast Mode Support — WCAG 1.4.6 (Phase E.3) */
@media (prefers-contrast: high) {
  .stat-card {
    border-width: 3px;
  }

  .stat-value {
    font-weight: var(--font-bold);
  }
  
  .stat-label {
    font-weight: var(--font-extrabold);
  }
}

/* Reduced Motion Support — WCAG 2.3.3 (Phase E.3) */
@media (prefers-reduced-motion: reduce) {
  .stat-card {
    transition: none !important;
  }
  
  .stat-card:hover {
    transform: none !important;
  }
}