/* =========================================================
   ACESSIBILIDADE - BOTÃO + TOOLTIP + EFEITOS (BODY CLASSES)
   ========================================================= */

/* ----------- Botão flutuante (topo esquerdo) ----------- */
#accessibility-toggle{
  position: fixed !important;
  top: 16px;
  left: 16px;

  width: 46px;
  height: 46px;

  border: 0 !important;
  border-radius: 10px;

  background: #3b5bbf !important; /* azulzinho */
  color: #fff !important;

  display: inline-flex !important;
  align-items: center;
  justify-content: center;

  cursor: pointer;

  z-index: 2147483647 !important;

  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;

  box-shadow: 0 10px 24px rgba(0,0,0,.18);
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}

#accessibility-toggle:hover{
  background: #2f4fb3 !important;
  transform: translateY(-1px);
}

#accessibility-toggle:active{
  transform: translateY(0);
}

#accessibility-toggle:focus-visible{
  outline: 3px solid rgba(59,91,191,.35);
  outline-offset: 3px;
}

#accessibility-toggle i{
  font-size: 22px;
  line-height: 1;
}

/* ----------- Tooltip (branco) ----------- */
#a11y-toolbar{
  position: fixed;
  top: 72px;
  left: 16px;

  width: 300px;
  max-width: calc(100vw - 32px);

  background: #fff;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0,0,0,.16);

  padding: 14px;

  z-index: 2147483646;

  /* escondido por padrão */
  display: none;
}

#a11y-toolbar.active{
  display: block;
}

/* “setinha” apontando pro botão */
#a11y-toolbar::before{
  content: "";
  position: absolute;
  top: -8px;
  left: 18px;

  width: 14px;
  height: 14px;

  background: #fff;
  border-left: 1px solid rgba(0,0,0,.12);
  border-top: 1px solid rgba(0,0,0,.12);
  transform: rotate(45deg);
}

/* ----------- Conteúdo do tooltip ----------- */
#a11y-toolbar .a11y-toolbar-inner{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

#a11y-toolbar .a11y-title{
  margin: 0 0 10px 0;
  font-size: 14px;
  font-weight: 800;
  color: #222;
  letter-spacing: .2px;
}

#a11y-toolbar .a11y-tools{
  list-style: none;
  padding: 0;
  margin: 0;

  display: grid;
  gap: 8px;
}

/* Links como botões */
#a11y-toolbar .a11y-tools a{
  display: flex;
  align-items: center;
  justify-content: flex-start;

  padding: 10px 12px;
  border-radius: 10px;

  text-decoration: none;
  font-size: 13px;
  font-weight: 700;

  color: #2340a8;
  background: rgba(59,91,191,.08);
  border: 1px solid rgba(59,91,191,.14);

  transition: background-color .15s ease, border-color .15s ease, transform .12s ease;
}

#a11y-toolbar .a11y-tools a:hover{
  background: rgba(59,91,191,.12);
  border-color: rgba(59,91,191,.22);
  transform: translateY(-1px);
}

#a11y-toolbar .a11y-tools a:active{
  transform: translateY(0);
}

#a11y-toolbar .a11y-tools a:focus-visible{
  outline: 3px solid rgba(59,91,191,.25);
  outline-offset: 2px;
}

/* ----------- sr-only (acessibilidade) ----------- */
.sr-only{
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* =========================================================
   EFEITOS (aplicados via classes no <body>)
   ========================================================= */

/* Tamanho da fonte */
body.font-large { font-size: 120% !important; }
body.font-small { font-size: 90% !important; }

/* Escala de cinza */
body.grayscale { filter: grayscale(100%) !important; }

/* Links sublinhados */
body.links-underline a { text-decoration: underline !important; }

/* Fonte legível */
body.readable-font{
  font-family: Arial, Helvetica, sans-serif !important;
  line-height: 1.65 !important;
}

/* Alto contraste */
body.high-contrast,
body.high-contrast *{
  background-color: #000 !important;
  color: #fff !important;
  border-color: #fff !important;
}

body.high-contrast a{ color: #00ffff !important; }
body.high-contrast img,
body.high-contrast video{ filter: contrast(1.2) !important; }

/* Contraste negativo */
body.negative-contrast,
body.negative-contrast *{
  background-color: #000 !important;
  color: #ff0 !important;
  border-color: #ff0 !important;
}
body.negative-contrast a{ color: #00ffff !important; }

/* Fundo claro */
body.light-background,
body.light-background *{
  background-color: #fff !important;
  color: #000 !important;
  border-color: #000 !important;
}
body.light-background a{ color: #1a49ff !important; }

/* ----------- Mobile ----------- */
@media (max-width: 480px){
  #accessibility-toggle{
    top: 10px;
    left: 10px;
  }
  #a11y-toolbar{
    top: 64px;
    left: 10px;
    width: calc(100vw - 20px);
    max-width: none;
  }
  #a11y-toolbar::before{
    left: 16px;
  }
}

/* =========================================================
   (Opcional) Ícone do documento com Font Awesome
   ========================================================= */
.doc-icon{
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,91,191,.10);
  color: #3b5bbf;
  flex: 0 0 44px;
}
.doc-icon i{
  font-size: 20px;
  line-height: 1;
}
