/* Kamishibai · M.IA 4 LIS
   Il teatrino di carta: il video sta in una cornice che diventa verde o rossa secondo la distanza,
   le parole riconosciute entrano in scena come tavole di carta. */
:root {
  --indaco: #1f3a68;
  --indaco-2: #2b4c80;
  --azzurro: #2f6fb3;
  --azzurro-chiaro: #e6eef8;
  --cornice: #2a3346;
  --sigillo: #c8402a;
  --verde: #2f8a57;
  --carta: #ffffff;
  --fondo: #f5f7fa;
  --inchiostro: #1a1f2b;
  --tenue: #586174;
  --filo: #d9dfe8;
  --mano-dx: #2f6fb3;
  --mano-sx: #d9772b;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", "P052", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;

  --r-piccolo: 8px;
  --r-medio: 12px;
  --ombra-carta: 0 1px 0 rgba(26, 31, 43, .06), 0 6px 18px -8px rgba(26, 31, 43, .25);
  --gutter: clamp(16px, 4vw, 32px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  font: 16px/1.55 var(--sans); color: var(--inchiostro); background: var(--fondo);
}
main { flex: 1; }
img, svg, canvas, video { max-width: 100%; }
a { color: var(--azzurro); text-underline-offset: 3px; }
a:hover { color: var(--indaco); }
:focus-visible { outline: 3px solid var(--azzurro); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
p { margin: 0 0 .9em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- tipografia ---------- */
h1, h2, h3 { font-family: var(--serif); color: var(--indaco); line-height: 1.15; margin: 0 0 .45em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.6rem); }
h3 { font-size: 1.12rem; }
.lead { font-size: clamp(1.02rem, .96rem + .3vw, 1.15rem); color: var(--tenue); max-width: 62ch; }
.muted { color: var(--tenue); }
.small { font-size: .9rem; }
.center { text-align: center; }
.prose { max-width: 70ch; }
.prose h2 { margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin: .3em 0; }

/* ---------- intestazione ---------- */
.site-head { background: var(--indaco); color: #fff; position: sticky; top: 0; z-index: 20; }
.site-head .bar { max-width: 1180px; margin: 0 auto; padding: 10px var(--gutter); display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: flex-end; gap: 10px; color: #fff; text-decoration: none; }
.brand:hover { color: #fff; }
.brand-logo { display: block; height: 44px; width: auto; }
.brand-sub { display: block; font: 600 .74rem/1 var(--sans); opacity: .8; margin-bottom: 6px; letter-spacing: .02em; white-space: nowrap; }
@media (max-width: 420px) { .brand-logo { height: 36px; } .brand-sub { display: none; } }
.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav a, .nav button.link { color: #fff; text-decoration: none; padding: 8px 12px; border-radius: var(--r-piccolo); font: 500 .97rem var(--sans); background: none; border: 0; cursor: pointer; }
.nav a:hover, .nav button.link:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.nav a[aria-current="page"] { background: rgba(255, 255, 255, .18); box-shadow: inset 0 -3px 0 var(--sigillo); }
.nav .who { padding: 8px 4px 8px 14px; margin-left: 6px; border-left: 1px solid rgba(255, 255, 255, .25); font-weight: 600; white-space: nowrap; }
.nav .who small { display: block; font-weight: 400; opacity: .7; font-size: .75rem; }
.menu-btn { display: none; margin-left: auto; background: none; color: #fff; border: 1px solid rgba(255, 255, 255, .45); border-radius: var(--r-piccolo); padding: 6px 12px; font: 600 .95rem var(--sans); cursor: pointer; }
@media (max-width: 880px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--indaco); flex-direction: column; align-items: stretch; padding: 8px var(--gutter) 16px; box-shadow: 0 12px 24px rgba(0, 0, 0, .25); }
  .nav.open { display: flex; }
  .nav a, .nav button.link { padding: 12px; font-size: 1.05rem; text-align: left; }
  .nav .who { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .2); margin: 8px 0 0; padding: 12px; }
}

/* ---------- impaginazione ---------- */
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: clamp(20px, 4vw, 40px) var(--gutter) 48px; }
.wrap.narrow { max-width: 820px; }
.page-head { margin-bottom: clamp(18px, 3vw, 28px); }
.section { margin-top: clamp(28px, 5vw, 48px); }
.panel { background: var(--carta); border: 1px solid var(--filo); border-radius: var(--r-medio); padding: clamp(16px, 3vw, 24px); }
.panel + .panel { margin-top: 16px; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.panel-head h2 { margin: 0; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row > input, .row > select { flex: 1 1 220px; width: auto; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 3vw, 28px); align-items: start; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }
details.panel > summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; }
details.panel > summary::after { content: "+"; font-weight: 400; color: var(--tenue); }
details.panel[open] > summary::after { content: "–"; }
details.panel[open] > summary { margin-bottom: 12px; }

/* ---------- piè di pagina ---------- */
.site-foot { background: var(--carta); border-top: 1px solid var(--filo); color: var(--tenue); font-size: .92rem; }
.site-foot .bar { max-width: 1180px; margin: 0 auto; padding: 22px var(--gutter) 28px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px 40px; }
.site-foot p { margin: 0 0 .5em; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: flex-end; align-content: flex-start; }
.site-foot nav a { color: var(--indaco); }
.sos { color: var(--inchiostro); }
@media (max-width: 760px) { .site-foot .bar { grid-template-columns: 1fr; } .site-foot nav { justify-content: flex-start; } }

/* ---------- pulsanti e campi ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px; border: 0; border-radius: var(--r-piccolo);
  font: 600 1rem var(--sans); color: #fff; background: var(--azzurro); cursor: pointer;
  text-decoration: none; transition: background-color .15s, transform .05s;
}
.btn:hover { background: var(--indaco-2); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.go { background: var(--verde); }
.btn.go:hover { background: #276f47; }
.btn.stop, .btn.danger { background: var(--sigillo); }
.btn.stop:hover, .btn.danger:hover { background: #a93422; }
.btn.quiet { background: var(--carta); color: var(--indaco); border: 1px solid var(--filo); }
.btn.quiet:hover { background: var(--azzurro-chiaro); color: var(--indaco); }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: .92rem; }
.btn.big { min-height: 52px; padding: 12px 28px; font-size: 1.1rem; }
.btn .dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; }
label { display: block; font-weight: 600; margin: 14px 0 6px; }
input, textarea, select {
  width: 100%; min-height: 44px; padding: 10px 12px; font: 1rem var(--sans); color: var(--inchiostro);
  background: #fff; border: 1px solid #c6cfdc; border-radius: var(--r-piccolo);
}
textarea { min-height: 88px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 3px solid rgba(47, 111, 179, .35); border-color: var(--azzurro); }
input[type="checkbox"] { width: 20px; height: 20px; min-height: 0; accent-color: var(--azzurro); flex: none; }
input[type="range"] { padding: 0; min-height: 0; accent-color: var(--azzurro); }
input[type="file"] { padding: 8px; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .94rem; margin: 14px 0; }
label.check input { margin-top: 2px; }
.status { min-height: 1.5em; margin: 10px 0 0; color: var(--tenue); }
.status.ok { color: var(--verde); font-weight: 600; }
.status.err { color: var(--sigillo); font-weight: 600; }
.note { border-left: 4px solid var(--sigillo); background: #fdf3f1; padding: 12px 16px; border-radius: 0 var(--r-piccolo) var(--r-piccolo) 0; margin: 14px 0; }
.info { border-left: 4px solid var(--azzurro); background: var(--azzurro-chiaro); padding: 12px 16px; border-radius: 0 var(--r-piccolo) var(--r-piccolo) 0; margin: 14px 0; }

/* ---------- cornice del video: grigio-indaco, verde a distanza giusta, rossa da correggere ---------- */
.butai {
  position: relative; padding: clamp(6px, 1vw, 10px); border-radius: 14px;
  background: var(--cornice); transition: background-color .35s ease;
  box-shadow: 0 14px 30px -16px rgba(20, 30, 50, .55);
}
.butai[data-fit="ok"] { background: var(--verde); }
.butai[data-fit="no"] { background: var(--sigillo); }
.butai.plain { background: var(--carta); border: 1px solid var(--filo); box-shadow: none; }
.butai.plain .seen { color: var(--tenue); }
.stage { position: relative; width: 100%; aspect-ratio: 4 / 3; background: #10161f; border-radius: 6px; overflow: hidden; }
.stage video, .stage canvas.overlay { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.stage.mirror video, .stage.mirror canvas.overlay { transform: scaleX(-1); }
.stage-msg { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: #c9d3e1; padding: 24px; font-size: 1.05rem; }
.stage-msg strong { color: #fff; }
.seen { margin: 7px 2px 1px; color: #f1f4f9; font-weight: 500; font-size: .85rem; text-align: center; min-height: 1.3em; }
.live-word {
  position: absolute; left: 50%; bottom: 7%; transform: translate(-50%, 12px); opacity: 0;
  background: var(--carta); color: var(--indaco); padding: .2em .8em; border-radius: 6px;
  font: 700 clamp(1.6rem, 5vw, 2.6rem)/1.2 var(--serif); box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
  transition: opacity .2s, transform .25s; pointer-events: none; max-width: 90%; text-align: center;
}
.live-word.show { opacity: 1; transform: translate(-50%, 0); }
.live-word.unknown { background: #e8ebf0; color: var(--tenue); }
.countdown { position: absolute; inset: 0; display: grid; place-items: center; font: 700 7rem var(--serif); color: #fff; text-shadow: 0 4px 24px rgba(0, 0, 0, .6); }
.rec-dot { position: absolute; top: 12px; left: 12px; display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; background: var(--sigillo); padding: 4px 12px; border-radius: 99px; }
.rec-dot::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: #fff; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .2; } }
.controls { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 14px; }

/* ---------- traduttore ---------- */
.translator { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(18px, 3vw, 32px); align-items: start; }
.translator .side { display: flex; flex-direction: column; gap: 16px; }
.translator .side > .panel { margin: 0; }
.site-head + main :target { scroll-margin-top: 80px; }
@media (max-width: 960px) { .translator { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  /* sul telefono i comandi restano sempre a portata di pollice */
  .translator .controls { position: sticky; bottom: 0; z-index: 10; margin: 12px calc(-1 * var(--gutter)) 0; padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom)); background: rgba(245, 247, 250, .96); backdrop-filter: blur(6px); border-top: 1px solid var(--filo); }
  .translator .controls .btn { flex: 1 1 0; padding-left: 8px; padding-right: 8px; }
}

/* le tavole di carta: una per ogni parola riconosciuta */
.cards { display: flex; flex-wrap: wrap; gap: 10px; min-height: 64px; align-items: flex-start; }
.cards .empty { color: var(--tenue); margin: 6px 0; }
.word-card {
  font: 700 1.25rem/1.2 var(--serif); color: var(--indaco); background: var(--carta);
  border: 1px solid var(--filo); border-radius: 4px; padding: 10px 14px 9px; cursor: pointer;
  box-shadow: var(--ombra-carta); animation: entra .28s ease-out;
}
.word-card:hover { border-color: var(--azzurro); }
.word-card.dubbio { border-style: dashed; border-color: var(--mano-sx); }
@keyframes entra { from { transform: translateX(18px); opacity: 0; } to { transform: none; opacity: 1; } }

/* scheletro animato */
canvas.skel { display: block; width: 100%; aspect-ratio: 4 / 3; background: #fbfcfe; border: 1px solid var(--filo); border-radius: 6px; }
.sign-view { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 16px; align-items: start; }
@media (max-width: 520px) { .sign-view { grid-template-columns: 1fr; } }
@media (min-width: 961px) { .translator .sign-view { grid-template-columns: minmax(0, 1fr); } .translator .sign-view canvas.skel { max-width: 320px; } }
.sign-title { font: 700 clamp(1.5rem, 1.2rem + 1vw, 2rem)/1.15 var(--serif); color: var(--indaco); margin: 0 0 6px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--tenue); margin-top: 8px; }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; background: var(--c); }
.reply-big { font: 700 clamp(1.6rem, 6vw, 2.6rem)/1.2 var(--serif); text-align: center; margin: 14px 0; color: var(--indaco); overflow-wrap: anywhere; }
.reply-word { text-align: center; font: 700 1.1rem var(--serif); color: var(--indaco); margin: 4px 0 8px; }

/* ---------- impara ---------- */
.intro-band { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(20px, 4vw, 48px); align-items: center; }
.intro-band .butai { max-width: 460px; justify-self: end; width: 100%; }
@media (max-width: 860px) { .intro-band { grid-template-columns: 1fr; } .intro-band .butai { justify-self: stretch; max-width: none; } }
.ways { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--filo); border-radius: var(--r-medio); background: var(--carta); overflow: hidden; }
.ways > div { padding: 18px 20px; border-left: 1px solid var(--filo); }
.ways > div:first-child { border-left: 0; }
.ways h3 { margin-bottom: .3em; }
.ways p { margin: 0; color: var(--tenue); font-size: .95rem; }
@media (max-width: 900px) { .ways { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ways > div:nth-child(3) { border-left: 0; } .ways > div:nth-child(n+3) { border-top: 1px solid var(--filo); } }
@media (max-width: 520px) { .ways { grid-template-columns: 1fr; } .ways > div { border-left: 0; } .ways > div + div { border-top: 1px solid var(--filo); } }
.words { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 14px; max-height: 420px; overflow: auto; padding: 2px; }
.word-btn { border: 1px solid var(--filo); background: var(--carta); border-radius: 6px; padding: 10px 12px; cursor: pointer; text-align: left; display: flex; flex-direction: column; gap: 2px; font: inherit; color: inherit; }
.word-btn b { font: 700 1.05rem var(--serif); color: var(--indaco); }
.word-btn span { color: var(--tenue); font-size: .82rem; }
.word-btn:hover, .word-btn.sel { border-color: var(--azzurro); background: var(--azzurro-chiaro); }
.cat-filter { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.cat-filter button { border: 1px solid var(--filo); background: var(--carta); border-radius: 99px; padding: 6px 14px; font: 500 .9rem var(--sans); cursor: pointer; color: var(--indaco); }
.cat-filter button[aria-pressed="true"] { background: var(--indaco); color: #fff; border-color: var(--indaco); }
.result { font: 700 1.2rem/1.35 var(--serif); text-align: center; padding: 14px; border-radius: var(--r-piccolo); margin: 14px 0 6px; }
.result.ok { background: #e7f4ec; color: var(--verde); }
.result.no { background: #fbeeeb; color: var(--sigillo); }
.score { text-align: center; color: var(--tenue); }
.credits-line { font-size: .85rem; color: var(--tenue); margin-top: 12px; }

/* ---------- contribuisci ---------- */
.steps-line { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: passo; margin: 0; padding: 0; list-style: none; }
.steps-line li { counter-increment: passo; padding-top: 10px; border-top: 3px solid var(--filo); }
.steps-line li::before { content: counter(passo); font: 700 1.3rem var(--serif); color: var(--sigillo); display: block; margin-bottom: 2px; }
.steps-line b { display: block; color: var(--indaco); }
.steps-line span { color: var(--tenue); font-size: .94rem; }
@media (max-width: 760px) { .steps-line { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- gestione ---------- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs button { border: 1px solid var(--filo); background: var(--carta); border-radius: 99px; padding: 8px 16px; font: 500 .95rem var(--sans); cursor: pointer; color: var(--indaco); min-height: 40px; }
.tabs button[aria-selected="true"] { background: var(--indaco); color: #fff; border-color: var(--indaco); }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card { background: var(--carta); border: 1px solid var(--filo); border-radius: var(--r-medio); padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.card canvas.skel { cursor: pointer; }
.meta { font-size: .85rem; color: var(--tenue); margin: 0; }
.word-row { border: 1px solid var(--filo); border-radius: var(--r-medio); margin: 8px 0; background: var(--carta); }
.word-row > summary { padding: 12px 16px; cursor: pointer; display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.word-row > summary b { font: 700 1.05rem var(--serif); color: var(--indaco); }
.word-row > div { padding: 0 16px 16px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--filo); vertical-align: middle; }
th { font-size: .85rem; color: var(--tenue); font-weight: 600; }
td select { min-width: 200px; }

/* ---------- accesso ---------- */
.auth { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 760px) { .auth { grid-template-columns: 1fr; } }
.auth .btn { width: 100%; margin-top: 14px; }

/* ---------- crediti e privacy ---------- */
.cite { background: var(--carta); border: 1px solid var(--filo); border-left: 4px solid var(--indaco); border-radius: 0 var(--r-piccolo) var(--r-piccolo) 0; padding: 14px 18px; margin: 12px 0 18px; }
.cite p { margin: 0 0 .4em; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 16px 0 8px; }
.facts > div { background: var(--carta); border: 1px solid var(--filo); border-radius: var(--r-medio); padding: 16px 18px; }
.facts h3 { margin-bottom: .4em; }
.facts ul { margin: 0; padding-left: 1.1em; }
.facts .yes h3 { color: var(--verde); }
.facts .no h3 { color: var(--sigillo); }
@media (max-width: 640px) { .facts { grid-template-columns: 1fr; } }

/* persone in gestione */
.person { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 16px; align-items: center; background: var(--carta); border: 1px solid var(--filo); border-radius: var(--r-medio); padding: 14px 16px; margin: 8px 0; }
.person .confirm { grid-column: 1 / -1; border-top: 1px solid var(--filo); padding-top: 12px; }
.person .confirm p { margin-bottom: 8px; }
@media (max-width: 640px) { .person { grid-template-columns: 1fr; } }

/* contatti */
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.foot-social { display: contents; }
.message { background: var(--carta); border: 1px solid var(--filo); border-radius: var(--r-medio); padding: 14px 16px; margin: 8px 0; }
.message.nuovo { border-left: 4px solid var(--azzurro); }
.message pre { white-space: pre-wrap; font: inherit; margin: 8px 0 10px; overflow-wrap: anywhere; }

/* prova del riconoscimento */
.test-box { margin-top: 18px; border-top: 1px solid var(--filo); padding-top: 14px; }
.test-box > summary { cursor: pointer; font-weight: 600; color: var(--indaco); }
.test-box[open] > summary { margin-bottom: 10px; }
.test-step { font: 600 1.05rem/1.4 var(--sans); color: var(--indaco); margin: 12px 0; min-height: 1.4em; }
.test-box td:nth-child(n+2), .test-box th:nth-child(n+2) { text-align: center; }

/* avviso fase di prova */
.beta { background: #fff7e6; border-bottom: 1px solid #f1d9a6; color: #5c4210; }
.beta { display: flex; align-items: center; gap: 12px; padding: 8px var(--gutter); justify-content: center; font-size: .92rem; }
.beta p { margin: 0; max-width: 1100px; }
.beta a { color: #7a4b00; font-weight: 600; }
.beta button { background: none; border: 0; font-size: 1.3rem; line-height: 1; color: #7a5a20; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.beta button:hover { background: rgba(0, 0, 0, .06); }
.collab { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 14px 0 6px; }
.collab > div { background: var(--carta); border: 1px solid var(--filo); border-radius: var(--r-medio); padding: 16px 18px; }
.collab h3 { margin-bottom: .35em; }
.collab p { margin: 0; color: var(--tenue); font-size: .95rem; }
@media (max-width: 640px) { .collab { grid-template-columns: 1fr; } }

/* elenco dei segni (pagina /segni) */
.segni-lista { list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 6px 16px; }
.segni-lista a { display: block; padding: 6px 0; }