/* Separador de voz y música */
.nav a[aria-current="page"] { color: var(--brand); font-weight: 600; }
.file-info audio { width: 280px; max-width: 100%; }
.sp-etiqueta { margin: 0 0 6px; font-weight: 600; }
.sp-modos { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; }
.sp-modo {
  display: block; text-align: left; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface); color: var(--text); font: inherit; cursor: pointer;
}
.sp-modo strong { display: block; font-size: .95rem; }
.sp-modo small { display: block; color: var(--muted); font-size: .8rem; }
.sp-modo:hover:not(:disabled) { border-color: var(--brand); }
.sp-modo[aria-checked="true"] { border-color: var(--brand); background: var(--brand-soft); box-shadow: inset 0 0 0 1px var(--brand); }
.sp-modo:disabled { opacity: .5; cursor: not-allowed; }
.sp-modo:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.sp-resultados { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-top: 18px; }
.sp-pista { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--brand-soft); }
.sp-pista-titulo { margin: 0 0 8px; font-weight: 700; }
.sp-pista audio { width: 100%; }
.sp-botones { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.sp-boton {
  padding: 8px 14px; border: none; border-radius: 10px; background: var(--brand); color: #fff;
  font: inherit; font-weight: 700; cursor: pointer;
}
.sp-boton:hover:not(:disabled) { background: var(--brand-dark); }
.sp-boton:disabled { opacity: .55; cursor: wait; }
.sp-boton:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.sp-sec { background: var(--surface); color: var(--text); border: 1px solid var(--line); }
.sp-sec:hover:not(:disabled) { background: var(--surface); border-color: var(--brand); }