/* Tonera type — Space Grotesk (display) · IBM Plex Sans (body) · IBM Plex Mono (data)
   Loaded from Google Fonts per tonera-design.md. */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
    --font-display: 'Space Grotesk', -apple-system, sans-serif;   /* headings, wordmark, display numerals; tracking -0.02em */
    --font-body:    'IBM Plex Sans', -apple-system, sans-serif;   /* body, UI labels, buttons; 15px base, 1.55 leading */
    --font-mono:    'IBM Plex Mono', ui-monospace, monospace;     /* ALL data: L*a*b*, ΔE, hex, tone codes; uppercase micro-labels at 0.08em */
}