/*
 * Fluent - English Learning App
 *
 * CSS Architecture:
 * - Uses CSS layers for cascade control
 * - OKLCH color system for perceptually uniform colors
 * - Logical properties (inline/block) for RTL support
 * - CSS custom properties for theming
 *
 * Note: With Propshaft, stylesheet_link_tag :app automatically includes
 * all CSS files in this directory. No @import statements needed.
 * Files are loaded in alphabetical order, with _global.css first (underscore prefix).
 */