/* ===================================
   ACESSIBILIDADE - ESTILOS
   =================================== */

/* Screen reader only (visually hidden but accessible to screen readers) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip link para navegação por teclado */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #667eea;
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 0;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   BARRA DE FERRAMENTAS DE ACESSIBILIDADE
   =================================== */

.accessibility-toolbar {
    /* Place toolbar next to the dark-mode and lang controls on larger screens.
       On small screens it will fall back to the side (see media query below). */
    position: fixed;
    /* align under the dark-mode toggle (which is at top:1rem; right:1rem; width:3rem) */
    right: 1rem;
    top: calc(1rem + 3rem + 0.5rem);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.accessibility-toggle {
    /* Match the visual style of the circular dark-mode toggle on desktop */
    background: rgba(255, 255, 255, 0.9);
    color: #2d3748;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    padding: 0;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accessibility-toggle:hover,
.accessibility-toggle:focus {
    transform: scale(1.05);
    background: rgba(245, 245, 245, 0.95);
}

.accessibility-toggle:focus {
    outline: 3px solid #667eea;
    outline-offset: 2px;
}

.accessibility-menu {
    position: absolute;
    right: 100%;
    top: 0;
    background: white;
    border-radius: 8px 0 0 8px;
    box-shadow: -4px 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    min-width: 300px;
    max-width: 350px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px);
    transition: all 0.3s ease;
}

/* Mobile adjustments: keep the stacked top-right layout but scale controls down */
@media (max-width: 768px) {
    .accessibility-toolbar {
        /* remain top-right and stacked under the dark-mode toggle */
        right: 0.75rem;
        top: calc(0.75rem + 2.5rem + 0.4rem);
    }

    .accessibility-toggle {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }

    .accessibility-menu {
        /* keep the menu positioned relative to the toggle */
        right: 100%;
        top: 0;
        min-width: 260px;
    }
}

.accessibility-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.accessibility-menu h3 {
    color: #2d3748;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e2e8f0;
}

.accessibility-group {
    margin-bottom: 1.5rem;
}

.accessibility-group label {
    display: block;
    color: #4a5568;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.accessibility-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-accessibility {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #4a5568;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-accessibility:hover {
    background: #edf2f7;
    border-color: #667eea;
    transform: translateY(-2px);
}

.btn-accessibility:focus {
    outline: 3px solid #667eea;
    outline-offset: 2px;
}

.btn-accessibility:active {
    transform: translateY(0);
}

.btn-toggle {
    flex: 1;
    justify-content: center;
}

.btn-toggle[aria-checked="true"] {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.font-size-display {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background: #edf2f7;
    border-radius: 6px;
    font-weight: 600;
    color: #2d3748;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.accessibility-info {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.accessibility-info p {
    color: #718096;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.accessibility-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.accessibility-info li {
    color: #718096;
    font-size: 0.8rem;
    padding: 0.25rem 0;
    display: flex;
    align-items: center;
}

.accessibility-info kbd {
    background: #f7fafc;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
    padding: 0.125rem 0.375rem;
    font-size: 0.75rem;
    font-family: monospace;
    margin: 0 0.25rem;
}

/* ===================================
   MODO DE ALTO CONTRASTE
   =================================== */

body.high-contrast {
    background-color: #000;
    color: #fff;
}

body.high-contrast header {
    background: #000;
    border-bottom: 3px solid #fff;
}

body.high-contrast nav a {
    color: #fff;
    border: 2px solid #fff;
    margin: 0.25rem;
}

body.high-contrast nav a:hover,
body.high-contrast nav a:focus,
body.high-contrast nav a.active {
    background-color: #fff;
    color: #000;
}

body.high-contrast main {
    background-color: #000;
}

body.high-contrast .hero,
body.high-contrast .card,
body.high-contrast .dados-faro-section,
body.high-contrast section,
body.high-contrast .search-filter-section,
body.high-contrast .info-item {
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
}

body.high-contrast h1,
body.high-contrast h2,
body.high-contrast h3,
body.high-contrast h4,
body.high-contrast h5,
body.high-contrast h6,
body.high-contrast p,
body.high-contrast a,
body.high-contrast li,
body.high-contrast label,
body.high-contrast .info-label,
body.high-contrast .info-value,
body.high-contrast .card p {
    color: #fff;
}

body.high-contrast a:hover,
body.high-contrast a:focus {
    color: #ffff00;
    text-decoration: underline;
}

body.high-contrast .card:hover {
    background-color: #1a1a1a;
    border-color: #ffff00;
}

body.high-contrast .btn,
body.high-contrast .btn-primary,
body.high-contrast button {
    background-color: #fff;
    color: #000;
    border: 2px solid #fff;
}

body.high-contrast .btn:hover,
body.high-contrast .btn:focus,
body.high-contrast button:hover,
body.high-contrast button:focus {
    background-color: #ffff00;
    color: #000;
    border-color: #ffff00;
}

body.high-contrast footer {
    background: #000;
    border-top: 3px solid #fff;
}

body.high-contrast .search-input,
body.high-contrast input,
body.high-contrast select,
body.high-contrast textarea {
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
}

body.high-contrast .search-input:focus,
body.high-contrast input:focus,
body.high-contrast select:focus,
body.high-contrast textarea:focus {
    border-color: #ffff00;
    outline: 3px solid #ffff00;
}

/* Alto contraste - Barra de Acessibilidade */
body.high-contrast .accessibility-toolbar {
    background: #000;
}

body.high-contrast .accessibility-toggle {
    background: #fff;
    color: #000;
    border: 2px solid #fff;
}

body.high-contrast .accessibility-toggle:hover,
body.high-contrast .accessibility-toggle:focus {
    background: #ffff00;
    color: #000;
    border-color: #ffff00;
}

body.high-contrast .accessibility-menu {
    background: #000;
    border: 3px solid #fff;
}

body.high-contrast .accessibility-menu h3 {
    color: #fff;
    border-bottom-color: #fff;
}

body.high-contrast .accessibility-group label {
    color: #fff;
}

body.high-contrast .btn-accessibility {
    background: #000;
    color: #fff;
    border-color: #fff;
}

body.high-contrast .btn-accessibility:hover,
body.high-contrast .btn-accessibility:focus {
    background: #ffff00;
    color: #000;
    border-color: #ffff00;
}

body.high-contrast .btn-toggle[aria-checked="true"] {
    background: #ffff00;
    color: #000;
    border-color: #ffff00;
}

body.high-contrast .font-size-display {
    background: #000;
    color: #fff;
    border: 2px solid #fff;
}

body.high-contrast .accessibility-info {
    border-top-color: #fff;
}

body.high-contrast .accessibility-info p,
body.high-contrast .accessibility-info li {
    color: #fff;
}

body.high-contrast .accessibility-info kbd {
    background: #000;
    color: #fff;
    border-color: #fff;
}

/* ===================================
   MELHORIAS DE FOCO PARA NAVEGAÇÃO POR TECLADO
   =================================== */

body.keyboard-navigation a:focus,
body.keyboard-navigation button:focus,
body.keyboard-navigation input:focus,
body.keyboard-navigation select:focus,
body.keyboard-navigation textarea:focus,
body.keyboard-navigation [tabindex]:focus,
body.keyboard-navigation [role="button"]:focus,
body.keyboard-navigation [role="menuitem"]:focus {
    outline: 3px solid #667eea;
    outline-offset: 2px;
}

body.high-contrast.keyboard-navigation a:focus,
body.high-contrast.keyboard-navigation button:focus,
body.high-contrast.keyboard-navigation input:focus,
body.high-contrast.keyboard-navigation select:focus,
body.high-contrast.keyboard-navigation textarea:focus,
body.high-contrast.keyboard-navigation [tabindex]:focus,
body.high-contrast.keyboard-navigation [role="button"]:focus,
body.high-contrast.keyboard-navigation [role="menuitem"]:focus {
    outline: 3px solid #ffff00;
    outline-offset: 2px;
}

/* Melhorar contraste de texto */
body a {
    color: #5568d3;
}

body a:hover {
    color: #667eea;
}

/* Garantir contraste mínimo nos cards */
.card h3 {
    color: #1a202c;
}

.card p {
    color: #4a5568;
}

/* ===================================
   RESPONSIVO - ACESSIBILIDADE
   =================================== */

@media (max-width: 768px) {
    /* Keep the toolbar stacked below the dark-mode toggle on mobile instead of moving it to bottom */
    .accessibility-toolbar {
        right: 0.75rem;
        top: calc(0.75rem + 2.5rem + 0.4rem);
    }

    .accessibility-menu {
        /* position the menu to the left of the toggle when opened */
        right: 100%;
        top: 0;
        border-radius: 8px 0 0 8px;
        max-width: calc(100vw - 3.5rem);
    }

    .accessibility-menu.show {
        transform: translateX(0);
    }

    .accessibility-toggle {
        border-radius: 50%;
    }
}

@media (max-width: 480px) {
    .accessibility-menu {
        padding: 1rem;
        min-width: 280px;
    }
    
    .accessibility-menu h3 {
        font-size: 1rem;
    }
    
    .btn-accessibility {
        padding: 0.4rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .accessibility-info {
        font-size: 0.75rem;
    }
}

/* ===================================
   MELHORIAS DE LEITURA
   =================================== */

/* Melhorar espaçamento de linha para leitura */
body {
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
}

p {
    max-width: 75ch;
    margin-bottom: 1em;
}

/* Garantir que listas sejam legíveis */
ul, ol {
    padding-left: 1.5em;
}

li {
    margin-bottom: 0.5em;
}

/* Melhorar legibilidade de links */
a {
    text-decoration-skip-ink: auto;
}

/* Garantir que elementos interativos tenham tamanho mínimo adequado (WCAG AA - 2.5.5) */
/* Aplicado cuidadosamente para não quebrar layouts existentes */
button:not(.inline),
input[type="submit"],
input[type="button"],
input[type="checkbox"],
input[type="radio"],
.btn,
.btn-favorite,
.btn-accessibility,
[role="button"]:not(a) {
    min-height: 44px;
    min-width: 44px;
}

/* Links de navegação e cards já têm tamanho adequado via padding no CSS principal */
/* Botões específicos da acessibilidade usam inline-flex para alinhamento */
.btn-accessibility,
.btn-favorite,
.accessibility-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}