/**
 * Resume Core Design Tokens
 * Framework-agnostic CSS variables for theming
 * Based on 2025 resume best practices and ATS compatibility research
 */

:root {
  /* Typography - ATS-friendly fonts */
  --resume-font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --resume-font-serif: Cambria, Georgia, "Times New Roman", serif;
  --resume-font-mono: "Courier New", Courier, monospace;

  /* Font Sizes - Optimal readability */
  --resume-size-name: 36px;        /* Large, prominent name */
  --resume-size-heading: 16px;     /* Section titles */
  --resume-size-subheading: 14px;  /* Job titles, degrees */
  --resume-size-body: 11px;        /* Body text, descriptions */
  --resume-size-small: 10px;       /* Dates, locations, metadata */

  /* Font Weights */
  --resume-weight-normal: 400;
  --resume-weight-medium: 500;
  --resume-weight-semibold: 600;
  --resume-weight-bold: 700;

  /* Line Heights */
  --resume-line-height-tight: 1.2;
  --resume-line-height-normal: 1.5;
  --resume-line-height-relaxed: 1.75;

  /* Colors - Professional Theme (default) */
  --resume-color-primary: #1a1a1a;
  --resume-color-secondary: #4a4a4a;
  --resume-color-accent: #2563eb;
  --resume-color-background: #ffffff;
  --resume-color-border: #e5e7eb;

  /* Spacing - Consistent rhythm */
  --resume-space-section: 24px;   /* Between major sections */
  --resume-space-item: 16px;      /* Between list items */
  --resume-space-tight: 8px;      /* Within items */
  --resume-space-margin: 48px;    /* Page margins */

  /* Layout - Optimal line length */
  --resume-max-width: 660px;      /* ~80 chars at body size */
  --resume-column-gap: 24px;

  /* Border Radius */
  --resume-radius-sm: 4px;
  --resume-radius-md: 8px;
  --resume-radius-lg: 12px;

  /* Shadows - Subtle depth */
  --resume-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --resume-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Modern Theme Variant */
[data-theme="modern"] {
  --resume-color-primary: #0f172a;
  --resume-color-secondary: #475569;
  --resume-color-accent: #8b5cf6;
  --resume-font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Classic Theme Variant */
[data-theme="classic"] {
  --resume-color-primary: #000000;
  --resume-color-secondary: #333333;
  --resume-color-accent: #0066cc;
  --resume-font-sans: Georgia, "Times New Roman", serif;
}

/* Minimal Theme Variant */
[data-theme="minimal"] {
  --resume-color-primary: #18181b;
  --resume-color-secondary: #71717a;
  --resume-color-accent: #000000;
  --resume-space-section: 32px;
  --resume-space-item: 20px;
}

/* High Contrast Variant (Accessibility) */
[data-theme="high-contrast"] {
  --resume-color-primary: #000000;
  --resume-color-secondary: #000000;
  --resume-color-accent: #0000ff;
  --resume-color-background: #ffffff;
  --resume-color-border: #000000;
}

/* Print Styles - ATS-Friendly PDF Export */
@media print {
  :root {
    /* Optimize for print */
    --resume-space-section: 18px;
    --resume-space-item: 12px;
  }

  @page {
    size: A4;
    margin: 0.5in;
  }

  /* Prevent awkward breaks */
  .resume-section {
    page-break-inside: avoid;
  }

  .resume-item {
    break-inside: avoid;
  }

  /* Widows and orphans control */
  p, li {
    widows: 3;
    orphans: 3;
  }

  /* Hyphenation for long words */
  .resume-description {
    hyphens: auto;
  }

  /* Hide interactive elements */
  .no-print {
    display: none !important;
  }
}

/* RTL Support */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .resume-item {
  padding-left: 0;
  padding-right: var(--resume-space-tight);
}