/* ========================================================================== zs-base.css — Shared base styles for Zvjezdane Staze -------------------------------------------------------------------------- Contains: - Palette (CSS custom properties in :root) - HTML / body resets and defaults - Paper background system (paper-base, sun-blob, paper-grain, paper-vignette) - Sun keyframe animations (sunDrift, sunDriftAlt, sunBreathe, sunPulse) - Navigation styles (nav, dropdown, mobile menu, lang switch) - Footer styles - Generic responsive defaults (768px breakpoint) Usage: linked from /includes/head-common.php on all pages. Per-page CSS (in