/* ==========================================================================
   Reset léger, typographie, utilitaires
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-md);
  line-height: var(--leading-base);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior: none;
}

h1, h2, h3, h4, p, figure, blockquote {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

input, textarea, select {
  background: var(--surface);
}

svg { display: block; }

/* Focus : jamais supprimé, toujours lisible. */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---- Utilitaires ---- */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[hidden] { display: none !important; }

/* Barres de défilement discrètes. */
.scroll-y { overflow-y: auto; scrollbar-width: thin; }
.scroll-y::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll-y::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: content-box;
}
.scroll-y::-webkit-scrollbar-track { background: transparent; }

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