/**
 * SUS 360 — Design System 1.0.0
 * base/reset.css
 *
 * Reset global e padrões do body, incluindo foco visível, link de salto,
 * utilitário de leitor de tela, barras de rolagem e conteúdo principal.
 *
 * Depende de: nada
 */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  min-height: 100vh;
  background: var(--bg-body);
  color: var(--text-primary);
  overflow-y: scroll;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Foco visível (a11y) ───────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--sus-blue);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ── Movimento reduzido ───────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── Link de salto de navegação (a11y) ────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 8px 16px;
  background: var(--sus-blue);
  color: #fff;
  font-weight: 700;
  font-size: var(--font-size-sm);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  text-decoration: none;
  transition: top 0.15s ease;
}

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

/* ── Apenas para leitor de tela (a11y) ────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Barra de rolagem ─────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35);
  background-clip: padding-box;
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

/* Barra de rolagem no modo escuro */
body.dark ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.25);
  background-clip: padding-box;
}
body.dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.4);
  background-clip: padding-box;
}
body.dark * {
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
}

/* ── Imagens ──────────────────────────────────────────────────────────── */
img {
  max-width: 100%;
  height: auto;
}

/* ── Links ────────────────────────────────────────────────────────────── */
a {
  color: var(--sus-blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ── Conteúdo principal ───────────────────────────────────────────────── */
.sus360-main {
  padding-top: var(--content-top);
  max-width: 1400px;
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
  padding-bottom: var(--space-2xl);
}

/* Quando não há barra de UF */
.sus360-main.no-uf-bar {
  padding-top: var(--header-height);
}