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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font);
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  /* Grelha leve de papel quadriculado */
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--brand-ink);
  text-underline-offset: 3px;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

input {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 6px;
}

/* O título recebe foco ao mudar de página só para leitores de ecrã. */
[tabindex="-1"]:focus {
  outline: none;
}

.mdi::before {
  line-height: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Etiqueta de secção ao estilo da app (label em maiúsculas) */
.eyebrow {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

kbd {
  font-family: var(--font);
  font-size: 0.82em;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.7em;
  height: 1.7em;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  vertical-align: 0.05em;
}

/* Nome de um botão ou campo do ecrã da app */
b,
strong {
  font-weight: 600;
  color: var(--ink);
}

.ui {
  font-weight: 600;
  color: var(--ink);
  background: var(--brand-soft);
  border-radius: 5px;
  padding: 0 5px;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  padding: 1px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  background: var(--paper);
  color: var(--ink-2);
  border: 1px solid var(--rule);
}

.badge.ok, .badge.warn, .badge.danger { border-color: transparent; }

.badge.ok { background: var(--brand-soft); color: var(--brand-ink); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}