/* base.css — reset + estilos globais. */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg-subtle);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: var(--tracking-tight); font-weight: var(--fw-bold); }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; }

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

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

ul, ol { list-style: none; }

/* App shell layout */
#app-root {
  display: block;
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) var(--space-12);
}

/* Espaço pro bottom-nav fixo (visível quando logado, em qualquer largura). */
body { padding-bottom: calc(64px + var(--safe-bottom)); }

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

.u-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-toast);
  padding: var(--space-2) var(--space-4);
  background: var(--primary);
  color: var(--primary-text);
  border-radius: var(--radius-md);
}
.u-skip-link:focus { left: var(--space-4); top: var(--space-4); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Utilitárias mínimas */
.u-hidden     { display: none !important; }
.u-mt-2 { margin-top: var(--space-2); }
.u-mt-4 { margin-top: var(--space-4); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mb-4 { margin-bottom: var(--space-4); }
.u-text-center { text-align: center; }
.u-muted  { color: var(--text-muted); }
.u-mono   { font-family: var(--font-mono); }

/* Ícones (SVG inline injetados por icons.js) */
.icon { display: inline-flex; align-items: center; justify-content: center; vertical-align: middle; width: 20px; height: 20px; stroke-width: 2; flex-shrink: 0; }
.icon svg { width: 100%; height: 100%; }
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 28px; height: 28px; }