/* ============================================================
   LAB ACCESSIBILITÉ WEB — Module styles
   ============================================================ */

/* ---- Communs ---- */
.a11y-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1rem;
  background: var(--surface-hi);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.a11y-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in oklch, var(--accent) 10%, var(--surface-hi));
}
.a11y-btn:focus-visible { outline: 3px solid var(--owl-gold); outline-offset: 2px; }
.feature kbd {
  font-family: var(--font-mono);
  font-size: 0.78em;
  background: var(--surface-hi);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  padding: 0.05em 0.4em;
  color: var(--text-bright);
}

/* ============================================================
   01 :focus-visible
   ============================================================ */
.a11y-focus-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.a11y-fbtn {
  padding: 0.55rem 1.1rem;
  background: var(--surface-hi);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-body);
  cursor: pointer;
}
.a11y-fbtn:hover { border-color: var(--border-hi); }
.a11y-fbtn:focus-visible { outline: 3px solid var(--owl-gold); outline-offset: 2px; }
.a11y-fbtn:focus:not(:focus-visible) { outline: none; }

/* ============================================================
   02 aria-live
   ============================================================ */
.a11y-live {
  margin-top: 1rem;
  min-height: 1.4em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}

/* ============================================================
   03 Contraste WCAG
   ============================================================ */
.a11y-contrast { max-width: 440px; }
.a11y-contrast-preview {
  display: grid;
  place-items: center;
  height: 92px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.a11y-contrast-controls {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.a11y-contrast-controls label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.a11y-contrast-controls input[type="color"] {
  width: 46px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
}
.a11y-contrast-result {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
.a11y-contrast-result.pass { color: #4ade80; }
.a11y-contrast-result.partial { color: #f7c66b; }
.a11y-contrast-result.fail { color: #f87171; }

/* ============================================================
   04 prefers-reduced-motion
   ============================================================ */
.a11y-motion { display: flex; align-items: center; gap: 1rem; }
.a11y-spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 4px solid var(--surface-hi);
  border-top-color: var(--owl-gold);
  animation: a11y-spin 1s linear infinite;
  flex-shrink: 0;
}
@keyframes a11y-spin { to { transform: rotate(360deg); } }
.a11y-motion-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
@media (prefers-reduced-motion: reduce) {
  .a11y-spinner { animation: none; }
}

/* ============================================================
   05 Formulaires accessibles
   ============================================================ */
.a11y-form { max-width: 360px; display: grid; gap: 0.5rem; }
.a11y-form label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.a11y-form input {
  padding: 0.6rem 0.8rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.a11y-form input:focus-visible {
  outline: 2px solid var(--owl-gold);
  outline-offset: 1px;
  border-color: var(--owl-gold);
}
.a11y-form input[aria-invalid="true"] { border-color: #f87171; }
.a11y-error { min-height: 1.2em; color: #f87171; font-size: 0.8rem; }
.a11y-error.ok { color: #4ade80; }
.a11y-form .a11y-btn { justify-self: start; margin-top: 0.25rem; }

/* ============================================================
   06 Skip-link & alt
   ============================================================ */
.a11y-skipdemo {
  position: relative;
  padding: 1rem;
  border: 1px dashed var(--border-hi);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  min-height: 84px;
}
.a11y-skiplink {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--owl-gold);
  color: #0d1117;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
}
.a11y-skiplink:focus { left: 0.5rem; }
.a11y-skiphint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.a11y-skiptarget {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--surface-hi);
  border-radius: var(--radius-sm);
  color: var(--text);
}
.a11y-skiptarget:focus-visible { outline: 2px solid var(--owl-gold); }
.a11y-alt { display: grid; gap: 0.5rem; }
.a11y-alt-row {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text);
  background: var(--surface);
  border-left: 3px solid var(--border-hi);
}
.a11y-alt-row code { font-family: var(--font-mono); color: var(--text-bright); }
.a11y-alt-row--good { border-left-color: #4ade80; }
.a11y-alt-row--bad { border-left-color: #f87171; }