/* ============================================================
   GLOBAL BASE STYLES — Antialiasing, fonts, scrollbar, selection
   ============================================================ */

/* Antialiasing — texto nítido en todas las plataformas */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

/* Selección de texto con color de marca */
::selection {
  background-color: #818cf8; /* indigo-400 */
  color: #1e1b4b;            /* indigo-950 */
}

/* Scrollbar delgada — Chrome / Edge / Safari */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background-color: #cbd5e1; /* slate-300 */
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background-color: #94a3b8; /* slate-400 */
}

/* Scrollbar delgada — Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

/* Clase utilitaria accesible para screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Accessibility: Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}