/* ==========================================================================
   Talkzen — centro assistenza (aiuto.talkzen.io)

   I token sono gli stessi di talkzen.io/assets/css/style.css: se cambia la
   palette del sito principale, va riportata anche qui. Il layout invece e'
   suo, perche' una documentazione ha esigenze diverse da una vetrina.
   ========================================================================== */

:root {
  --bg:            #fbfbfa;
  --surface:       #ffffff;
  --surface-sunk:  #f4f5f4;
  --border:        #e4e7e5;
  --border-strong: #d2d7d4;

  --ink:      #0e1311;
  --ink-soft: #3c4441;
  --ink-mute: #6a7370;

  /* #00d3a7 su bianco fa 1.9:1: mai come testo. --mint-ink fa 5.2:1. */
  --mint:       #00d3a7;
  --mint-dark:  #00b892;
  --mint-ink:   #00795f;
  --mint-wash:  #eafaf6;

  --amber-ink:  #7a5200;
  --amber-wash: #fdf6e3;
  --amber-line: #e8d5a0;

  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-ui:      "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --measure: 1240px;
  --radius:  14px;
  --radius-sm: 9px;

  --shadow-sm: 0 1px 2px rgba(14,19,17,.05), 0 1px 1px rgba(14,19,17,.03);
  --shadow-md: 0 8px 24px -12px rgba(14,19,17,.16), 0 2px 6px rgba(14,19,17,.04);
  --shadow-lg: 0 32px 64px -28px rgba(14,19,17,.28), 0 8px 20px -12px rgba(14,19,17,.10);

  --header-h: 4.25rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--mint-ink);
  outline-offset: 3px;
  border-radius: 3px;
}
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 999;
  background: var(--ink); color: #fff;
  padding: .7rem 1.1rem; border-radius: var(--radius-sm);
  font-size: .9375rem; font-weight: 500; text-decoration: none;
  transition: top .15s ease;
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

.wrap { width: min(100% - 2.5rem, var(--measure)); margin-inline: auto; }

/* ----------------------------------------------------------- intestazione */

.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(251,251,250,.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  height: 100%;
  display: flex; align-items: center; gap: 1.25rem;
}

.brand {
  display: inline-flex; align-items: center; gap: .55rem;
  text-decoration: none; color: var(--ink);
  font-weight: 600; font-size: 1.0625rem; letter-spacing: -.011em;
  flex: none;
}
.brand__mark { width: 26px; height: 26px; }
.brand__sep {
  color: var(--border-strong); font-weight: 400;
  margin-inline: .1rem;
}
.brand__section { color: var(--ink-mute); font-weight: 450; }

.header-actions {
  margin-left: auto;
  display: flex; align-items: center; gap: .6rem;
  flex: none;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .45rem;
  padding: .5rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: .9375rem; font-weight: 500; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #1c2320; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--surface); border-color: var(--ink-mute); }
.btn--lg { padding: .7rem 1.35rem; font-size: 1rem; }

/* ------------------------------------------------------------- ricerca -- */

.search { position: relative; flex: 1 1 auto; max-width: 26rem; }

.search__field {
  display: flex; align-items: center; gap: .5rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: .38rem .9rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.search__field:focus-within {
  border-color: var(--mint-ink);
  box-shadow: 0 0 0 3px var(--mint-wash);
}
.search__icon { flex: none; color: var(--ink-mute); }
.search__input {
  border: 0; background: transparent; outline: none;
  width: 100%; font-size: .9375rem; padding: .1rem 0;
}
.search__input::placeholder { color: var(--ink-mute); }
.search__kbd {
  flex: none;
  font-family: var(--font-mono); font-size: .6875rem;
  color: var(--ink-mute);
  border: 1px solid var(--border); border-radius: 5px;
  padding: .1rem .35rem; background: var(--surface-sunk);
}

.search__results {
  position: absolute; top: calc(100% + .55rem); left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-height: min(28rem, 70vh); overflow-y: auto;
  padding: .4rem;
  z-index: 60;
}
.search__results[hidden] { display: none; }

.search__hit {
  display: block; text-decoration: none; color: inherit;
  padding: .55rem .7rem; border-radius: var(--radius-sm);
}
.search__hit:hover,
.search__hit[aria-selected="true"] { background: var(--surface-sunk); }
.search__hit-cat {
  display: block;
  font-size: .75rem; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; color: var(--mint-ink);
  margin-bottom: .1rem;
}
.search__hit-title { display: block; font-weight: 500; line-height: 1.35; }
.search__hit-snip {
  display: block; font-size: .875rem; color: var(--ink-mute);
  line-height: 1.45; margin-top: .15rem;
}
.search__hit mark {
  background: var(--mint-wash); color: var(--mint-ink);
  border-radius: 3px; padding: 0 .1em;
}
.search__empty {
  padding: 1rem .7rem; color: var(--ink-mute); font-size: .9375rem;
}

/* --------------------------------------------------------------- home --- */

.home-hero {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 4vw, 3rem);
  text-align: center;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60rem 24rem at 50% -8rem, var(--mint-wash), transparent 70%),
    var(--bg);
}
.home-hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.4rem, 5.5vw, 3.6rem); line-height: 1.1;
  letter-spacing: -.015em; margin: 0 0 .8rem;
}
.home-hero h1 em { font-style: italic; color: var(--mint-ink); }
.home-hero .lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--ink-soft);
  max-width: 40rem; margin: 0 auto 2rem;
}
.home-hero .search {
  max-width: 34rem; margin-inline: auto;
  text-align: left;
}
.home-hero .search__field { padding: .6rem 1.1rem; }
.home-hero .search__input { font-size: 1.0625rem; }

.section { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.section__title {
  font-size: .8125rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-mute);
  margin: 0 0 1.25rem;
}

.cat-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}
.cat-card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  text-decoration: none; color: inherit;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.cat-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.cat-card__icon { font-size: 1.6rem; line-height: 1; margin-bottom: .7rem; }
.cat-card__name {
  font-size: 1.125rem; font-weight: 600; letter-spacing: -.011em;
  margin: 0 0 .3rem;
}
.cat-card__desc {
  font-size: .9375rem; color: var(--ink-mute); line-height: 1.55;
  margin: 0 0 .9rem; flex: 1;
}
.cat-card__count {
  font-family: var(--font-mono); font-size: .75rem;
  color: var(--mint-ink); letter-spacing: .02em;
}

.quick {
  display: grid; gap: .6rem;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
}
.quick a {
  display: flex; align-items: baseline; gap: .6rem;
  padding: .8rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none; color: inherit;
  font-size: .9375rem;
  transition: border-color .15s ease, background-color .15s ease;
}
.quick a:hover { border-color: var(--mint); background: var(--mint-wash); }
.quick a span { color: var(--ink-mute); font-size: .8125rem; margin-left: auto; }

/* --------------------------------------------------------- layout doc --- */

.docs {
  display: grid;
  grid-template-columns: 15.5rem minmax(0, 1fr) 13rem;
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
  padding: 2.25rem 0 5rem;
}

.docs__nav {
  position: sticky; top: calc(var(--header-h) + 1.5rem);
  max-height: calc(100vh - var(--header-h) - 3rem);
  overflow-y: auto;
  font-size: .9375rem;
  padding-right: .5rem;
}
.docs__nav h2 {
  font-size: .75rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-mute);
  margin: 1.4rem 0 .45rem;
  display: flex; align-items: center; gap: .4rem;
}
.docs__nav h2:first-child { margin-top: 0; }
.docs__nav ul { list-style: none; margin: 0 0 0 .1rem; padding: 0; }
.docs__nav li { margin: 0; }
.docs__nav a {
  display: block;
  padding: .28rem .6rem;
  margin-left: -.6rem;
  border-radius: var(--radius-sm);
  color: var(--ink-soft); text-decoration: none;
  line-height: 1.4;
}
.docs__nav a:hover { background: var(--surface-sunk); color: var(--ink); }
.docs__nav a[aria-current="page"] {
  background: var(--mint-wash); color: var(--mint-ink); font-weight: 500;
}

.docs__toc {
  position: sticky; top: calc(var(--header-h) + 1.5rem);
  font-size: .875rem;
  border-left: 1px solid var(--border);
  padding-left: 1rem;
}
.docs__toc h2 {
  font-size: .75rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--ink-mute);
  margin: 0 0 .5rem;
}
.docs__toc ul { list-style: none; margin: 0; padding: 0; }
.docs__toc a {
  display: block; padding: .22rem 0;
  color: var(--ink-mute); text-decoration: none; line-height: 1.4;
}
.docs__toc a:hover { color: var(--ink); }
.docs__toc a.is-active { color: var(--mint-ink); font-weight: 500; }

/* ------------------------------------------------------------ articolo -- */

.crumbs {
  font-size: .875rem; color: var(--ink-mute);
  margin: 0 0 .9rem;
  display: flex; align-items: center; gap: .4rem; flex-wrap: wrap;
}
.crumbs a { color: var(--ink-mute); text-decoration: none; }
.crumbs a:hover { color: var(--mint-ink); text-decoration: underline; }

.prose { max-width: 46rem; }

.prose h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.1rem, 4vw, 2.9rem); line-height: 1.12;
  letter-spacing: -.014em;
  margin: 0 0 1.4rem;
}
.prose h2 {
  font-size: 1.375rem; font-weight: 600; letter-spacing: -.012em;
  line-height: 1.3;
  margin: 2.6rem 0 .8rem;
  padding-top: .3rem;
}
.prose h3 {
  font-size: 1.0625rem; font-weight: 600; letter-spacing: -.008em;
  margin: 1.9rem 0 .6rem;
}
.prose p { margin: 0 0 1.05rem; }
.prose a { color: var(--mint-ink); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose strong { font-weight: 600; }
.prose em { font-style: italic; }

.prose ul, .prose ol { margin: 0 0 1.05rem; padding-left: 1.35rem; }
.prose li { margin: 0 0 .38rem; }
.prose li > ul, .prose li > ol { margin: .38rem 0 0; }
.prose ul { list-style: none; padding-left: 1.1rem; }
.prose ul > li { position: relative; }
.prose ul > li::before {
  content: ""; position: absolute;
  left: -.95rem; top: .62em;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--mint); 
}

.prose code {
  font-family: var(--font-mono); font-size: .875em;
  background: var(--surface-sunk);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .1em .35em;
  word-break: break-word;
}
.prose pre {
  background: var(--ink); color: #e6eae8;
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  margin: 0 0 1.3rem;
  font-size: .875rem; line-height: 1.6;
  -webkit-overflow-scrolling: touch;
}
.prose pre code {
  background: none; border: 0; padding: 0;
  font-size: inherit; color: inherit; white-space: pre;
}

.prose blockquote {
  margin: 0 0 1.3rem;
  padding: .95rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--mint);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
}
.prose blockquote > :last-child { margin-bottom: 0; }
.prose blockquote.is-warning {
  background: var(--amber-wash);
  border-color: var(--amber-line);
  border-left-color: #d99e00;
  color: var(--amber-ink);
}
.prose blockquote.is-warning strong { color: #5c3d00; }

.table-scroll { overflow-x: auto; margin: 0 0 1.3rem; -webkit-overflow-scrolling: touch; }
.prose table {
  border-collapse: collapse; width: 100%;
  font-size: .9375rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.prose th, .prose td {
  text-align: left; padding: .6rem .85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.prose thead th {
  background: var(--surface-sunk);
  font-weight: 600; font-size: .8125rem;
  letter-spacing: .02em;
  white-space: nowrap;
}
.prose tbody tr:last-child td { border-bottom: 0; }

.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2.2rem 0; }

/* metadati in testa all'articolo */
.meta-row {
  display: flex; flex-wrap: wrap; gap: .45rem;
  margin: 0 0 1.6rem;
}
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .8125rem; font-weight: 500;
  padding: .25rem .7rem;
  border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--ink-soft);
}
.chip--path {
  font-family: var(--font-mono); font-size: .75rem;
  background: var(--mint-wash); border-color: transparent; color: var(--mint-ink);
}

/* piede dell'articolo */
.article-foot {
  margin-top: 3.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.pager { display: grid; gap: .75rem; grid-template-columns: 1fr 1fr; }
.pager a {
  display: block; padding: .9rem 1.1rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none; color: inherit;
  transition: border-color .15s ease;
}
.pager a:hover { border-color: var(--mint); }
.pager a.is-next { text-align: right; grid-column: 2; }
.pager small {
  display: block; font-size: .75rem; color: var(--ink-mute);
  letter-spacing: .04em; text-transform: uppercase; margin-bottom: .15rem;
}
.pager span { font-weight: 500; line-height: 1.35; }

.helpbox {
  margin-top: 1.5rem;
  padding: 1.1rem 1.25rem;
  background: var(--mint-wash);
  border-radius: var(--radius);
  font-size: .9375rem; color: var(--ink-soft);
}
.helpbox strong { color: var(--ink); }
.helpbox a { color: var(--mint-ink); }

/* --------------------------------------------------------- categoria ---- */

.cat-head { padding: 2.5rem 0 .5rem; }
.cat-head h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.2rem, 4.5vw, 3rem); line-height: 1.12;
  letter-spacing: -.014em; margin: .4rem 0 .6rem;
}
.cat-head p { color: var(--ink-soft); max-width: 42rem; margin: 0; }

.art-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.art-list a {
  display: flex; align-items: baseline; gap: .8rem;
  padding: .95rem 1.15rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none; color: inherit;
  transition: border-color .15s ease, background-color .15s ease;
}
.art-list a:hover { border-color: var(--mint); background: var(--mint-wash); }
.art-list__num {
  font-family: var(--font-mono); font-size: .8125rem;
  color: var(--ink-mute); flex: none; min-width: 2.5rem;
}
.art-list__title { font-weight: 500; }
.art-list__type {
  margin-left: auto; flex: none;
  font-size: .75rem; color: var(--ink-mute);
  letter-spacing: .03em;
}

/* ------------------------------------------------------------- footer --- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2.5rem 0;
  font-size: .9375rem; color: var(--ink-mute);
}
.site-footer__inner {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  align-items: center; justify-content: space-between;
}
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--mint-ink); text-decoration: underline; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* --------------------------------------------------------------- 404 ---- */

.notfound { padding: clamp(4rem, 12vw, 8rem) 0; text-align: center; }
.notfound h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 3.6rem); margin: 0 0 .8rem;
}
.notfound p { color: var(--ink-soft); max-width: 34rem; margin: 0 auto 1.8rem; }

/* ------------------------------------------------------------ responsive */

.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: .45rem .55rem; cursor: pointer; color: var(--ink);
}

@media (max-width: 1100px) {
  .docs { grid-template-columns: 14rem minmax(0, 1fr); }
  .docs__toc { display: none; }
}

@media (max-width: 860px) {
  :root { --header-h: 3.9rem; }
  .wrap { width: min(100% - 2rem, var(--measure)); }

  .header-actions .btn--ghost { display: none; }
  .brand__sep, .brand__section { display: none; }

  .nav-toggle { display: inline-flex; }

  .docs { grid-template-columns: minmax(0, 1fr); padding-top: 1.25rem; }
  .docs__nav {
    position: static; max-height: none; overflow: visible;
    order: 2;
    margin-top: 3rem; padding-top: 1.5rem;
    border-top: 1px solid var(--border);
  }
  .docs__nav[hidden] { display: none; }
  .docs__body { order: 1; }

  .pager { grid-template-columns: 1fr; }
  .pager a.is-next { grid-column: 1; text-align: left; }

  .prose h1 { font-size: 2rem; }
  .prose thead th { white-space: normal; }
}

@media (max-width: 560px) {
  .search__kbd { display: none; }
  .site-header__inner { gap: .6rem; }
}