/* =======================================================================
   ADVASP — folha de estilo principal
   - Mobile-first, design limpo, foco em acessibilidade WCAG 2.1 AA
   - Suporta modo claro (padrão) e alto contraste
   - Tipografia escalável via classes (text-sm/md/lg/xl)
   ======================================================================= */

:root {
  --color-bg: #f4f6fb;
  --color-surface: #ffffff;
  --color-surface-2: #eef2f8;
  --color-text: #1a1f2e;
  --color-text-muted: #4b5563;
  --color-primary: #003d7a;
  --color-primary-hover: #002a55;
  --color-primary-light: #0055a5;
  --color-accent: #d97706;
  --color-border: #cbd5e1;
  --color-focus: #ffbf00;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --radius: 8px;
  --radius-lg: 12px;
  --container-max: 1100px;
}

/* Alto contraste — preto/amarelo, padrão usado por leitores como NVDA/JAWS */
html.theme-contrast,
body.theme-contrast {
  --color-bg: #000;
  --color-surface: #000;
  --color-surface-2: #1a1a1a;
  --color-text: #fff;
  --color-text-muted: #ffd966;
  --color-primary: #ffd966;
  --color-primary-hover: #ffe599;
  --color-primary-light: #ffd966;
  --color-accent: #ffd966;
  --color-border: #ffd966;
  --color-focus: #ffd966;
}

/* Reset / base */
* { box-sizing: border-box; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1rem;
}

/* Tamanhos de fonte controlados pelo usuário */
body.text-sm { font-size: 0.95rem; }
body.text-md { font-size: 1.05rem; }
body.text-lg { font-size: 1.18rem; }
body.text-xl { font-size: 1.35rem; }

/* Foco visível em todos os elementos interativos (essencial p/ navegação por teclado) */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link — primeiro tab da página leva pro conteúdo */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  text-decoration: none;
  font-weight: bold;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
}
a:hover { color: var(--color-primary-hover); }

img { max-width: 100%; height: auto; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

/* === Header === */
.site-header {
  background: var(--color-surface);
  border-bottom: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}
.brand-logo { height: 64px; width: auto; }
.brand-text strong {
  display: block;
  font-size: 1.5rem;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}
.brand-text small {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* === Controles de acessibilidade === */
.a11y-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.a11y-btn {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 2px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius);
  min-height: 40px;
  min-width: 44px;
}
.a11y-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.a11y-btn[aria-pressed="true"] {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* === Navegação === */
.site-nav {
  background: var(--color-primary);
  color: #fff;
}
.nav-inner { padding: 0; }
.nav-toggle {
  display: none;
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  border-radius: var(--radius);
  margin: 0.75rem 0;
}
.nav-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 1rem 1.25rem;
  font-weight: 600;
  border-bottom: 4px solid transparent;
}
.nav-menu a:hover,
.nav-menu a:focus-visible {
  background: var(--color-primary-hover);
  border-bottom-color: var(--color-focus);
}
.nav-menu a[aria-current="page"] {
  background: var(--color-primary-hover);
  border-bottom-color: var(--color-focus);
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav-menu {
    flex-direction: column;
    display: none;
    width: 100%;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a {
    border-bottom: 1px solid rgba(255,255,255,.2);
  }
}

/* === Main === */
.site-main {
  padding: 2rem 0 3rem;
  min-height: 60vh;
}
.site-main:focus { outline: none; }

h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0 0 0.75rem;
}
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-top: 2rem; }
h3 { font-size: 1.25rem; margin-top: 1.5rem; }
p  { margin: 0 0 1rem; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  padding: 3rem 1.5rem;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}
html.theme-contrast .hero, body.theme-contrast .hero {
  background: #000;
  border: 3px solid var(--color-focus);
  color: #fff;
}
.hero h1 { color: #fff; font-size: 2rem; margin-top: 0; }
.hero p  { font-size: 1.15rem; margin-bottom: 0; max-width: 60ch; }
html.theme-contrast .hero h1, body.theme-contrast .hero h1 { color: var(--color-focus); }

/* Cards (notícias, eventos, atas, parcerias) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.card h3 { margin-top: 0; }
.card .meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.card p { flex: 1; }
.card .card-actions { margin-top: 1rem; }

/* Botões */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff !important;
  padding: 0.7rem 1.25rem;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  font-size: 1rem;
}
.btn:hover, .btn:focus-visible {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary) !important;
}
.btn-outline:hover, .btn-outline:focus-visible {
  background: var(--color-primary);
  color: #fff !important;
}

/* Lista de diretoria */
.diretoria-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.diretoria-list li {
  background: var(--color-surface);
  border-left: 5px solid var(--color-primary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.diretoria-list .cargo {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}
.diretoria-list .nome {
  display: block;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--color-text);
}

/* Calendário visual */
.calendar {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 2rem;
}
.calendar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.calendar-head h2 { margin: 0; font-size: 1.25rem; }
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.calendar-grid .dow {
  text-align: center;
  font-weight: bold;
  padding: 0.4rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 4px;
  font-size: 0.85rem;
}
.calendar-grid .day {
  background: var(--color-surface-2);
  min-height: 70px;
  padding: 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
}
.calendar-grid .day.empty { background: transparent; }
.calendar-grid .day.has-event {
  background: #fff7e6;
  border-color: var(--color-accent);
}
html.theme-contrast .calendar-grid .day.has-event,
body.theme-contrast .calendar-grid .day.has-event {
  background: #1a1a00;
}
.calendar-grid .day .num {
  font-weight: bold;
  margin-bottom: 0.2rem;
}
.calendar-grid .day .ev {
  font-size: 0.75rem;
  background: var(--color-accent);
  color: #fff;
  padding: 1px 4px;
  border-radius: 3px;
  margin-bottom: 2px;
  text-decoration: none;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Texto livre (histórico) */
.texto-livre {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
}
.texto-livre p { line-height: 1.75; }

/* Mensagem vazia / informativa */
.empty-state {
  background: var(--color-surface-2);
  padding: 2rem;
  border-radius: var(--radius);
  text-align: center;
  color: var(--color-text-muted);
  border: 2px dashed var(--color-border);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #fff;
  padding: 2.5rem 0 1rem;
  margin-top: 3rem;
}
html.theme-contrast .site-footer, body.theme-contrast .site-footer {
  background: #000;
  border-top: 3px solid var(--color-focus);
}
.site-footer a { color: #fff; }
html.theme-contrast .site-footer a, body.theme-contrast .site-footer a { color: var(--color-focus); }
.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}
.footer-title {
  color: #fff;
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
  border-bottom: 2px solid rgba(255,255,255,.3);
  padding-bottom: 0.4rem;
}
html.theme-contrast .footer-title, body.theme-contrast .footer-title { color: var(--color-focus); }
.footer-col address {
  font-style: normal;
}
.footer-col address p { margin: 0 0 0.5rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.2);
  margin-top: 2rem;
  padding-top: 1rem;
  font-size: 0.9rem;
  text-align: center;
}

/* Indicador de leitura ativa */
.tts-active {
  background: rgba(255,191,0,.2);
  outline: 2px dashed var(--color-accent);
  outline-offset: 4px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* =======================================================================
   ALTO CONTRASTE — overrides explícitos para componentes que tinham
   cores #fff hardcoded sobre fundos que viraram amarelo no contrast mode.
   Padrão WCAG: amarelo (#ffd966) + preto (#000) > 16:1 de contraste.
   ======================================================================= */
html.theme-contrast .site-nav,
body.theme-contrast .site-nav {
  background: #000;
  border-top: 2px solid #ffd966;
  border-bottom: 2px solid #ffd966;
}
html.theme-contrast .nav-menu a,
body.theme-contrast .nav-menu a {
  color: #ffd966;
  border-bottom-color: transparent;
}
html.theme-contrast .nav-menu a:hover,
body.theme-contrast .nav-menu a:hover,
html.theme-contrast .nav-menu a:focus-visible,
body.theme-contrast .nav-menu a:focus-visible,
html.theme-contrast .nav-menu a[aria-current="page"],
body.theme-contrast .nav-menu a[aria-current="page"] {
  background: #ffd966;
  color: #000;
  border-bottom-color: #fff;
}
html.theme-contrast .nav-toggle,
body.theme-contrast .nav-toggle {
  color: #ffd966;
  border-color: #ffd966;
  background: #000;
}

/* Botões */
html.theme-contrast .btn,
body.theme-contrast .btn {
  background: #000;
  color: #ffd966 !important;
  border-color: #ffd966;
}
html.theme-contrast .btn:hover,
body.theme-contrast .btn:hover,
html.theme-contrast .btn:focus-visible,
body.theme-contrast .btn:focus-visible {
  background: #ffd966;
  color: #000 !important;
}
html.theme-contrast .btn-outline,
body.theme-contrast .btn-outline {
  background: transparent;
  color: #ffd966 !important;
  border-color: #ffd966;
}

/* Cards */
html.theme-contrast .card,
body.theme-contrast .card {
  background: #000;
  border: 2px solid #ffd966;
}
html.theme-contrast .card .meta,
body.theme-contrast .card .meta {
  color: #ffd966;
}

/* Calendário */
html.theme-contrast .calendar,
body.theme-contrast .calendar {
  background: #000;
  border: 2px solid #ffd966;
}
html.theme-contrast .calendar-grid .dow,
body.theme-contrast .calendar-grid .dow {
  background: #ffd966;
  color: #000;
}
html.theme-contrast .calendar-grid .day,
body.theme-contrast .calendar-grid .day {
  background: #1a1a1a;
  color: #fff;
}
html.theme-contrast .calendar-grid .day .ev,
body.theme-contrast .calendar-grid .day .ev {
  background: #ffd966;
  color: #000;
  font-weight: bold;
}

/* Diretoria */
html.theme-contrast .diretoria-list li,
body.theme-contrast .diretoria-list li {
  background: #000;
  border-left-color: #ffd966;
  border: 2px solid #ffd966;
  border-left-width: 5px;
}
html.theme-contrast .diretoria-list .cargo,
body.theme-contrast .diretoria-list .cargo {
  color: #ffd966;
}

/* Texto livre, empty state, footer details */
html.theme-contrast .texto-livre,
body.theme-contrast .texto-livre,
html.theme-contrast .empty-state,
body.theme-contrast .empty-state {
  background: #000;
  border: 2px solid #ffd966;
  color: #fff;
}
html.theme-contrast .empty-state {
  border-style: dashed;
}

/* Links no footer ja tratam, mas garantir foco visivel */
html.theme-contrast :focus-visible,
body.theme-contrast :focus-visible {
  outline: 4px solid #fff;
  outline-offset: 3px;
}

/* Skip-link */
html.theme-contrast .skip-link,
body.theme-contrast .skip-link {
  background: #ffd966;
  color: #000;
  border: 2px solid #fff;
}

/* TTS active feedback */
html.theme-contrast .tts-active,
body.theme-contrast .tts-active {
  background: rgba(255,217,102,.18);
  outline-color: #ffd966;
}

/* Acessibilidade — texto só para leitor de tela (oculto visualmente).
   Padrão recomendado pelo W3C / Bootstrap. */
.visually-hidden,
.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;
}