/* =========================================================
   FlameSync Harmonic Systems — Design Variables
   Centralized design system: colors, typography, spacing
   ========================================================= */

/* ---------- Root Variables ---------- */
:root {

  /* =========================
     Color System
     ========================= */

  /* Core backgrounds */
  --color-bg-primary: #0B0E14;     /* Near-black, main background */
  --color-bg-secondary: #141821;   /* Section contrast */
  --color-bg-elevated: #1C2230;    /* Cards, panels */

  /* Primary text */
  --color-text-primary: #E6E9EF;   /* High contrast, not pure white */
  --color-text-secondary: #B4B9C7; /* Subtle body text */
  --color-text-muted: #8A90A2;     /* Metadata, captions */

  /* Accent colors (used sparingly) */
  --color-accent-gold: #F5B66A;    /* Ember / energy */
  --color-accent-cyan: #6BE4E8;    /* Harmonic / coherence */
  --color-accent-violet: #7A6FF0;  /* Field / structure */

  /* Status colors */
  --color-success: #4CD4A8;
  --color-warning: #F5C06A;
  --color-error: #F26B6B;

  /* Borders & dividers */
  --color-border-subtle: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  /* =========================
     Typography
     ========================= */

  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  /* Font sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.375rem;
  --font-size-xxl: 2rem;
  --font-size-hero: 3rem;

  /* Line heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;

  /* =========================
     Layout & Spacing
     ========================= */

  --max-width-content: 1200px;
  --max-width-wide: 1440px;

  --section-padding-y: 6rem;
  --section-padding-x: 1.5rem;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* =========================
     Radius & Elevation
     ========================= */

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 16px 48px rgba(0, 0, 0, 0.45);

  /* =========================
     Transitions & Motion
     ========================= */

  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 600ms ease;

  /* =========================
     Z-Index Layers
     ========================= */

  --z-background: 0;
  --z-content: 10;
  --z-header: 100;
  --z-overlay: 1000;
  --z-modal: 1100;

}

/* ---------- Light Theme Placeholder (Future) ---------- */
[data-theme="light"] {
  /* Intentionally empty for now */
}

/* =========================================================
   End of variables.css
   ========================================================= */