/* ============================================================================
   BASE - reset moderato + elementi di default ancorati ai token.
   Accessibilità vincolante (D67/WCAG 2.2 AA): focus visibile, motion ridotto,
   target adeguati. Lo stile dei COMPONENTI (bottoni, campi, card) vive in
   components.css (direzione di /frontend-design), non qui.
   ============================================================================ */

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

* {
  margin: 0;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  font-weight: var(--fw-regular);
  color: var(--neutral-700);
  background-color: var(--neutral-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* -- Titoli: pesi/colori del Blueprint Tecnico; dimensioni dai token ------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--neutral-800);
  font-weight: var(--fw-semibold);
  line-height: var(--leading-2xl);
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); line-height: var(--leading-3xl); color: var(--neutral-900); letter-spacing: -0.01em; }
h2 { font-size: var(--text-2xl); line-height: var(--leading-2xl); letter-spacing: -0.01em; }
h3 { font-size: var(--text-xl);  line-height: var(--leading-xl); }
h4 { font-size: var(--text-lg);  line-height: var(--leading-lg); }

p { text-wrap: pretty; }

/* -- Link: primary-700 su bianco (~9:1). Vedi design-tokens §1.2 ----------- */
a {
  color: var(--primary-700);
  text-decoration-color: color-mix(in srgb, var(--primary-700) 35%, transparent);
  text-underline-offset: 0.15em;
  transition: color var(--motion-fast);
}
a:hover { color: var(--primary-600); text-decoration-color: currentColor; }

/* -- Form: ereditano la tipografia (reset look; stile in components.css) --- */
input, button, textarea, select {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}

button { cursor: pointer; }
:disabled { cursor: not-allowed; }

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

/* -- Codici / identificativi / numeri tabellari: Mono + tabular-nums ------- */
code, kbd, samp, .mono, [data-mono] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* -- Focus visibile (D67): anello focus #1F6FEB solo da tastiera ----------- */
:focus-visible {
  outline: var(--ring-focus-width) solid var(--ring-focus-color);
  outline-offset: var(--ring-focus-offset);
  border-radius: var(--radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* FocusOnNavigate (Routes.razor) porta il focus sull'h1: non mostrare l'anello. */
h1[tabindex]:focus,
h1:focus { outline: none; }

::selection {
  background-color: var(--primary-100);
  color: var(--primary-900);
}

/* -- Movimento ridotto (D67 / token Movimento) ----------------------------- */
@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;
  }
}

/* -- Utility di layout minime (mappate sui token) -------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

.contenuto {
  width: 100%;
  max-width: var(--contenuto-max);
  margin-inline: auto;
}