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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

h1 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.25;
}

h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  line-height: 1.3;
}

h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: 1.35;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

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

.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;
}

body.is-offline::before {
  content: "Sem conexão";
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--warning);
  color: white;
  padding: 2px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  z-index: 2000;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  letter-spacing: 0.02em;
}