/* ============================================================
   MODO DE NAVEGAÇÃO ACESSÍVEL POR TECLADO
   Independente do Alto Contraste
   ============================================================ */

:root {
    --a11y-focus: #ffb800;
    --a11y-focus-dark: #7a4d00;
    --a11y-focus-bg: #fff7d6;
}

/* Barra de atalhos: só aparece ao receber foco */
.keyboard-skip-nav {
    position: fixed;
    z-index: 10050;
    top: 8px;
    left: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-width: calc(100vw - 16px);
    pointer-events: none;
}

.keyboard-skip-nav a {
    position: absolute;
    left: -9999px;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 14px;
    color: #fff;
    background: #092f61;
    border: 3px solid #fff;
    border-radius: 9px;
    box-shadow: 0 8px 24px rgba(0,0,0,.28);
    font-weight: 800;
    text-decoration: none;
}

.keyboard-skip-nav a:focus {
    position: static;
    left: auto;
    pointer-events: auto;
}

/* Indicador discreto de modo ativo */
.keyboard-mode-indicator {
    position: fixed;
    z-index: 9995;
    left: 18px;
    bottom: 18px;
    display: none;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    color: #17304f;
    background: rgba(255,255,255,.96);
    border: 2px solid #163f73;
    border-radius: 999px;
    box-shadow: 0 7px 20px rgba(0,0,0,.18);
    font-size: 12px;
    font-weight: 800;
}

html.a11y-keyboard-mode .keyboard-mode-indicator {
    display: inline-flex;
}

/* Foco padrão melhorado para todo o portal */
:where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    outline: 3px solid #1766c8;
    outline-offset: 4px;
    border-radius: 5px;
}

/* Modo reforçado para baixa visão/navegação por teclado */
html.a11y-keyboard-mode :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    position: relative;
    z-index: 10;
    outline: 5px solid var(--a11y-focus) !important;
    outline-offset: 5px !important;
    box-shadow:
        0 0 0 2px #111,
        0 0 0 8px rgba(255,184,0,.22) !important;
}

/* Evita que elementos com foco fiquem escondidos atrás dos headers */
html.a11y-keyboard-mode :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
) {
    scroll-margin-top: 150px;
    scroll-margin-bottom: 110px;
}

/* Links ficam mais identificáveis, mas só no modo teclado */
html.a11y-keyboard-mode main a:not(.button):not(.btn) {
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

/* Botão para ativar/desativar na página de acessibilidade */
.visual-mode-card {
    padding: 28px;
    background: #fff;
    border: 1px solid #dce5ef;
    border-radius: 16px;
    box-shadow: 0 10px 28px rgba(7,31,73,.06);
}

.visual-mode-card h2 {
    margin: 0 0 8px;
    color: #0b1f45;
    font: 800 25px/1.25 Manrope, Inter, sans-serif;
}

.visual-mode-card > p {
    max-width: 800px;
    margin: 0 0 20px;
    color: #617086;
}

.visual-mode-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 50px;
    padding: 12px 18px;
    color: #fff;
    background: linear-gradient(135deg,#0b3f83,#071f49);
    border: 0;
    border-radius: 10px;
    font-weight: 800;
}

.visual-mode-toggle[aria-pressed="true"] {
    color: #123a66;
    background: #e8f2fc;
    border: 2px solid #123a66;
}

.visual-mode-status {
    margin: 14px 0 0;
    color: #53657a;
    font-size: 13px;
}

.visual-mode-status strong {
    color: #173f70;
}

.keyboard-help-grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px;
    margin-top: 24px;
}

.keyboard-help-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
    padding: 15px;
    background: #f5f8fb;
    border: 1px solid #e1e8f0;
    border-radius: 11px;
}

.keyboard-help-item kbd {
    min-width: 54px;
    padding: 6px 8px;
    color: #fff;
    background: #163f73;
    border: 0;
    border-radius: 7px;
    box-shadow: inset 0 -2px 0 rgba(0,0,0,.18);
    font: 800 12px Inter, sans-serif;
    text-align: center;
}

.keyboard-help-item strong {
    display: block;
    color: #183555;
    font-size: 13px;
}

.keyboard-help-item small {
    display: block;
    margin-top: 2px;
    color: #69788c;
    line-height: 1.45;
}

/* Região explicativa */
.accessibility-keyboard-section {
    padding: 42px 0 60px;
}

.accessibility-keyboard-intro {
    margin-bottom: 20px;
}

/* Classe utilitária */
.a11y-visually-hidden {
    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;
}

/* Não anima no modo acessível */
html.a11y-keyboard-mode *,
html.a11y-keyboard-mode *::before,
html.a11y-keyboard-mode *::after {
    scroll-behavior: auto !important;
}

/* Foco em cards/controles do portal */
html.a11y-keyboard-mode .public-nav a:focus-visible,
html.a11y-keyboard-mode .shortcut-grid a:focus-visible,
html.a11y-keyboard-mode .recent-list a:focus-visible,
html.a11y-keyboard-mode .ranking-list a:focus-visible {
    background-color: var(--a11y-focus-bg) !important;
    color: #111 !important;
}

/* Compatível com o modo de alto contraste em cinza */
html.a11y-high-contrast.a11y-keyboard-mode :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    outline-color: #fff !important;
    box-shadow:
        0 0 0 2px #111,
        0 0 0 8px rgba(255,255,255,.30) !important;
}

@media (max-width: 700px) {
    .keyboard-help-grid {
        grid-template-columns: 1fr;
    }

    .keyboard-mode-indicator {
        left: 10px;
        bottom: 10px;
        max-width: calc(100vw - 100px);
        font-size: 10px;
    }

    .visual-mode-card {
        padding: 20px;
    }
}

@media print {
    .keyboard-skip-nav,
    .keyboard-mode-indicator,
    .visual-mode-toggle {
        display: none !important;
    }
}

/* ============================================================
   MODO DE ACESSIBILIDADE UNIFICADO
   Compatibilidade: teclado + voz no mesmo estado.
   ============================================================ */
html.a11y-full-mode .keyboard-mode-indicator {
    display: inline-flex;
}

html.a11y-full-mode :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    position: relative;
    z-index: 20;
    outline: 5px solid var(--a11y-focus) !important;
    outline-offset: 5px !important;
    box-shadow:
        0 0 0 2px #111,
        0 0 0 8px rgba(255,184,0,.22) !important;
}

html.a11y-high-contrast.a11y-full-mode :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    outline-color: #fff !important;
    box-shadow:
        0 0 0 2px #111,
        0 0 0 8px rgba(255,255,255,.30) !important;
}

/* ============================================================
   CORREÇÃO - PRIMEIRO TAB NO BOTÃO DE ACESSIBILIDADE
   ============================================================ */

/*
 * O botão está primeiro no HTML para receber o primeiro TAB,
 * mas aparece visualmente no final da barra.
 */
.access-bar-accessible-mode {
    order: 999;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    flex: 0 0 auto;
    min-height: 42px;
    padding: 0 13px;
    color: #005b91;
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.access-divider-accessible {
    order: 998;
}

.access-bar-accessible-mode:hover {
    background: #e5edf5;
}

.access-bar-accessible-mode[aria-pressed="true"] {
    color: #fff;
    background: #0b4c87;
}

.access-bar-accessible-mode:focus-visible {
    position: relative;
    z-index: 1700;
    outline: 4px solid #ffb800 !important;
    outline-offset: -4px !important;
    box-shadow: inset 0 0 0 2px #111 !important;
}

.access-bar-accessible-mode > span {
    font-size: 17px;
}

@media (max-width: 820px) {
    .access-bar-accessible-mode {
        padding: 0 10px;
    }

    .access-bar-accessible-mode strong {
        font-size: 11px;
    }
}