/* ═══════════════════════════════════════════════════════════════
   Arte in Pratica — area riservata
   Carta chiara, inchiostro caldo, un accento oltremare.
   Otto pigmenti, uno per unità, come unico sistema decorativo.
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --paper: #F7F6F2;
  --card: #FFFFFF;
  --ink: #1B1A17;
  --ink-2: #4A463F;
  --ink-3: #847E74;
  --line: #E4E0D8;
  --line-2: #D2CCC1;

  --accent: #2B4C9B;
  --accent-d: #21397A;
  --accent-t: #E9EEF9;
  --ok: #2E7D6B;
  --ok-t: #E6F2EE;
  --warn: #B4541E;
  --warn-t: #FBEFE6;

  /* pigmenti delle unità */
  --u1: #C2413A;  /* rosso cadmio      — pittura   */
  --u2: #5B6168;  /* grafite           — disegno   */
  --u3: #C78B2C;  /* ocra              — collage   */
  --u4: #A4603A;  /* terra di Siena    — modellaggio */
  --u5: #2E7D6B;  /* verde viridiano   — stampa    */
  --u6: #6F8A2D;  /* verde muschio     — riciclo   */
  --u7: #6E4B9E;  /* violetto          — gruppo    */
  --u8: #2F7FB8;  /* ceruleo           — stagioni  */
  --uc: var(--accent);

  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --disp: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;

  --top: 60px;
  --side: 264px;
  --wrap: 1040px;

  --r-s: 6px;
  --r-m: 10px;
  --r-l: 14px;
  --r-xl: 20px;

  --sh: 0 1px 2px rgba(27, 26, 23, .04), 0 10px 28px -18px rgba(27, 26, 23, .22);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.locked { position: fixed; width: 100%; overflow: hidden; }

h1, h2, h3, h4 {
  font-family: var(--disp);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -.015em;
  text-wrap: balance;
}
h1 { font-size: clamp(30px, 1.6vw + 22px, 42px); font-weight: 700; letter-spacing: -.022em; line-height: 1.08; }
h2 { font-size: clamp(22px, .6vw + 18px, 26px); }
h3 { font-size: 18px; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
ul, ol { list-style: none; }

.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;
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--r-s); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── icone ─────────────────────────────────────────────────── */
.ico { width: 20px; height: 20px; flex: 0 0 auto; display: inline-block; vertical-align: -4px; }
.ico.sm { width: 16px; height: 16px; vertical-align: -3px; }
.ico.lg { width: 24px; height: 24px; }

/* ── pulsanti ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 42px; padding: 0 16px;
  border: 1px solid var(--line-2); border-radius: var(--r-m);
  background: var(--card); color: var(--ink);
  font-weight: 500; font-size: 15px; line-height: 1;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--paper); border-color: var(--ink-3); }
.btn-primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; border-color: #000; }
.btn-primary.is-done { background: var(--ok); border-color: var(--ok); }
.btn-primary.is-done:hover { background: #256a5a; border-color: #256a5a; }
.link-btn { color: var(--ink-3); font-size: 14px; font-weight: 500; padding: 6px 8px; border-radius: var(--r-s); }
.link-btn:hover { color: var(--ink); background: var(--card); }

.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: var(--r-m); color: var(--ink);
  transition: background .15s;
}
.icon-btn:hover { background: rgba(27, 26, 23, .06); }

/* ── chip e tag ────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); font-size: 13px; font-weight: 500; color: var(--ink-2);
  white-space: nowrap; line-height: 1.4;
}
.chip .ico { width: 15px; height: 15px; color: var(--ink-3); }
.chip.tone { background: color-mix(in srgb, var(--uc) 10%, white); border-color: color-mix(in srgb, var(--uc) 28%, white); color: color-mix(in srgb, var(--uc) 80%, black); }
.chip.ok { background: var(--ok-t); border-color: transparent; color: var(--ok); }

/* livello di difficoltà: tre barre */
.bars { display: inline-flex; gap: 2px; align-items: flex-end; height: 12px; }
.bars i { width: 4px; border-radius: 1px; background: var(--line-2); }
.bars i:nth-child(1) { height: 5px; } .bars i:nth-child(2) { height: 8px; } .bars i:nth-child(3) { height: 12px; }
.bars.b1 i:nth-child(1), .bars.b2 i:nth-child(-n+2), .bars.b3 i { background: var(--uc); }

.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--uc); flex: 0 0 auto; }

/* ══════════ GATE ══════════ */
.gate {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 20px;
  background: var(--paper);
}
.gate-card {
  width: min(100%, 400px); background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: 36px 28px 28px; text-align: center; box-shadow: var(--sh);
}
.gate-mark { display: inline-block; margin-bottom: 14px; }
.gate-title { font-size: 24px; margin-bottom: 6px; }
.gate-sub { font-size: 15px; color: var(--ink-2); margin-bottom: 22px; }
.gate-form { display: grid; gap: 10px; }
.gate-input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: var(--r-m);
  background: var(--paper); font-size: 16px; text-align: center; letter-spacing: .12em;
}
.gate-input:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-t); background: var(--card); }
.gate-form .btn { justify-content: center; }
.gate-err { margin-top: 12px; color: var(--warn); font-size: 14px; font-weight: 500; }
.gate-hint { margin-top: 14px; font-size: 13px; color: var(--ink-3); }

/* ══════════ TOPBAR ══════════ */
.topbar {
  position: sticky; top: 0; z-index: 100; height: var(--top);
  display: flex; align-items: center; gap: 6px; padding: 0 12px;
  background: rgba(247, 246, 242, .88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 8px; border-radius: var(--r-m); }
.brand:hover { background: rgba(27, 26, 23, .05); }
.brand-mark { flex: 0 0 auto; }
.brand-nm { font-family: var(--disp); font-weight: 600; font-size: 18px; color: var(--ink); letter-spacing: -.01em; white-space: nowrap; }
.spacer { flex: 1; }
.only-mob { display: grid; }
@media (min-width: 960px) { .only-mob { display: none; } }

.lang-wrap { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 10px;
  border-radius: var(--r-m); color: var(--ink); font-weight: 500; font-size: 14px;
}
.lang-btn:hover { background: rgba(27, 26, 23, .06); }
.lang-ico .ico { color: var(--ink-3); }
.lang-menu {
  position: absolute; top: 46px; right: 0; min-width: 160px; z-index: 110;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); padding: 6px;
  display: grid; gap: 2px; box-shadow: var(--sh);
}
.lang-op {
  text-align: left; padding: 9px 12px; border-radius: var(--r-s); font-size: 14px; font-weight: 500; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.lang-op:hover { background: var(--paper); }
.lang-op.on::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ══════════ LAYOUT ══════════ */
.layout { display: flex; min-height: calc(100vh - var(--top)); }
.sidebar {
  position: fixed; top: var(--top); left: 0; bottom: 0; width: var(--side); z-index: 95;
  background: var(--paper); border-right: 1px solid var(--line);
  overflow-y: auto; padding: 18px 12px 40px;
  transform: translateX(-100%); transition: transform .28s var(--ease);
}
.sidebar.open { transform: none; box-shadow: 0 0 0 100vmax rgba(27, 26, 23, .001); }
@media (min-width: 960px) { .sidebar { transform: none; } }
.scrim { position: fixed; inset: var(--top) 0 0; background: rgba(27, 26, 23, .38); z-index: 94; }
@media (min-width: 960px) { .scrim { display: none !important; } }

.side-sec + .side-sec { margin-top: 18px; }
.side-t { font-size: 12.5px; font-weight: 600; color: var(--ink-3); padding: 0 10px 8px; }
.side-a {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--r-m);
  font-size: 14.5px; font-weight: 500; color: var(--ink-2); line-height: 1.35;
  transition: background .15s, color .15s;
}
.side-a:hover { background: rgba(27, 26, 23, .05); color: var(--ink); }
.side-a.on { background: var(--card); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.side-l { flex: 1; min-width: 0; }
.side-i { display: grid; place-items: center; width: 20px; color: var(--ink-3); }
.side-a.on .side-i { color: var(--ink); }
.side-n { font-size: 12px; font-weight: 500; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.side-a.done-all .side-n { color: var(--ok); }

.view { flex: 1; min-width: 0; padding: 24px 16px 80px; }
@media (min-width: 960px) { .view { margin-left: var(--side); padding: 36px 40px 96px; } }
.view.enter { animation: viewIn .18s var(--ease); }
@keyframes viewIn { from { opacity: 0; } to { opacity: 1; } }
.wrap { max-width: var(--wrap); margin: 0 auto; }

.top-btn {
  position: fixed; right: 16px; bottom: 16px; width: 44px; height: 44px; z-index: 90;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--card); color: var(--ink); border: 1px solid var(--line); box-shadow: var(--sh);
}
.top-btn:hover { background: var(--paper); }

/* ── testo ricorrente ──────────────────────────────────────── */
.back {
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 22px;
  font-size: 14px; font-weight: 500; color: var(--ink-3); padding: 6px 8px 6px 4px; border-radius: var(--r-s);
}
.back:hover { color: var(--ink); background: var(--card); }
.kicker { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ink-3); margin-bottom: 10px; flex-wrap: wrap; }
.kicker b { color: var(--ink-2); font-weight: 500; }
.kicker-n { margin-left: auto; font-variant-numeric: tabular-nums; }
.lead { font-size: 17px; line-height: 1.6; max-width: 62ch; color: var(--ink-2); }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.sec { margin-top: 48px; }
.sec-h { margin-bottom: 18px; max-width: 70ch; }
.sec-h p { margin-top: 4px; color: var(--ink-3); font-size: 15px; }

/* ══════════ HOME · HERO ══════════ */
.hero {
  display: grid; gap: 28px; align-items: center;
  padding: 8px 0 32px; border-bottom: 1px solid var(--line);
}
@media (min-width: 900px) { .hero { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; padding-top: 16px; } }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ok); margin-bottom: 18px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px var(--ok-t); }
.hero h1 { max-width: 16ch; }
.hero .lead { margin-top: 16px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 26px; }
.facts div { display: flex; align-items: baseline; gap: 6px; }
.facts dt { font-family: var(--disp); font-weight: 700; font-size: 26px; color: var(--ink); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.facts dd { font-size: 14px; color: var(--ink-3); }

.hero-art { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 1fr; gap: 10px; aspect-ratio: 5 / 4; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--r-l); background: var(--line); }
.ha1 { grid-column: 1 / 5; grid-row: 1 / 3; border-radius: var(--r-xl) !important; }
.ha2 { grid-column: 5 / 7; grid-row: 1 / 2; }
.ha3 { grid-column: 5 / 7; grid-row: 2 / 3; }
.ha4 { grid-column: 1 / 3; grid-row: 3 / 4; }
.ha5 { grid-column: 3 / 7; grid-row: 3 / 4; }
@media (max-width: 899px) { .hero-art { max-width: 520px; aspect-ratio: 3 / 2; } }

/* ══════════ HOME · AVANZAMENTO ══════════ */
.progress { margin-top: 28px; padding: 20px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); }
.progress-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.progress-head h2 { font-size: 17px; letter-spacing: -.01em; }
.progress-n { color: var(--ink-3); font-size: 14px; font-variant-numeric: tabular-nums; }
.progress-head .link-btn { margin-left: auto; }
.bar { height: 6px; border-radius: 3px; background: var(--paper); margin-top: 14px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--ok); border-radius: 3px; transition: width .6s var(--ease); }

/* nota (dove si scarica il PDF) */
.note {
  display: flex; gap: 14px; align-items: flex-start; margin-top: 14px; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--r-l); background: var(--card);
}
.note .ico { color: var(--accent); margin-top: 2px; }
.note b { display: block; color: var(--ink); font-weight: 600; font-size: 15px; }
.note p { font-size: 14px; color: var(--ink-2); margin-top: 2px; }
.note a { display: inline-block; margin-top: 8px; font-size: 14px; font-weight: 500; color: var(--accent); }
.note a:hover { color: var(--accent-d); text-decoration: underline; text-underline-offset: 3px; }

/* ══════════ HOME · UNITÀ ══════════ */
.ugrid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 640px) { .ugrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .ugrid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; } }
.ucard {
  display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l);
  overflow: hidden; transition: border-color .18s, box-shadow .18s, transform .18s;
}
.ucard:hover { border-color: var(--uc); box-shadow: var(--sh); transform: translateY(-2px); }
.ucard-img { position: relative; aspect-ratio: 4 / 3; background: var(--paper); overflow: hidden; }
.ucard-img img { width: 100%; height: 100%; object-fit: cover; }
.ucard-img::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--uc); }
.ucard-bd { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.ucard-k { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); font-weight: 500; }
.ucard h3 { margin-top: 8px; font-size: 18px; }
.ucard p {
  margin-top: 6px; font-size: 14px; line-height: 1.5; color: var(--ink-2);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.ucard-foot { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 14px; font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.ucard-prog { flex: 1; height: 4px; border-radius: 2px; background: var(--paper); overflow: hidden; }
.ucard-prog i { display: block; height: 100%; width: 0; background: var(--ok); transition: width .6s var(--ease); }

/* ══════════ HOME · COME FUNZIONA ══════════ */
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
@media (min-width: 640px) { .steps-grid { grid-template-columns: repeat(2, 1fr); column-gap: 32px; } }
@media (min-width: 1000px) { .steps-grid { grid-template-columns: repeat(3, 1fr); } }
.steps-grid li { display: grid; grid-template-columns: 32px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.step-n { font-family: var(--disp); font-weight: 700; font-size: 20px; color: var(--accent); line-height: 1.3; font-variant-numeric: tabular-nums; }
.steps-grid b { display: block; font-weight: 600; color: var(--ink); font-size: 15.5px; }
.steps-grid span:not(.step-n) { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-2); }

/* ══════════ HOME · GUIDE (lista) ══════════ */
.glist { border-top: 1px solid var(--line); }
.grow { display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; padding: 18px 0; border-bottom: 1px solid var(--line); transition: background .15s; }
@media (min-width: 640px) { .grow { grid-template-columns: 36px 1fr auto; align-items: center; } }
.grow:hover { background: linear-gradient(90deg, transparent, var(--card) 30%, var(--card) 70%, transparent); }
.grow-i { width: 36px; height: 36px; display: grid; place-items: center; border-radius: var(--r-m); background: var(--card); border: 1px solid var(--line); color: var(--ink); }
.grow-bd b { display: block; font-weight: 600; color: var(--ink); font-size: 16px; }
.grow-bd span { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-2); max-width: 70ch; }
.grow-m { font-size: 13px; color: var(--ink-3); white-space: nowrap; grid-column: 2; }
@media (min-width: 640px) { .grow-m { grid-column: auto; } }

/* ══════════ HOME · EXTRA + BONUS ══════════ */
.two { display: grid; gap: 16px; }
@media (min-width: 900px) { .two { grid-template-columns: 1fr 1fr; gap: 24px; } }
.xcard { display: flex; gap: 14px; align-items: flex-start; padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); transition: border-color .18s, box-shadow .18s; }
.xcard:hover { border-color: var(--ink-3); box-shadow: var(--sh); }
.xcard .grow-i { flex: 0 0 auto; }
.xcard b { display: block; font-weight: 600; color: var(--ink); font-size: 16px; }
.xcard span { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-2); }
.xstack { display: grid; gap: 12px; }
.bonus-card { display: flex; gap: 16px; align-items: center; padding: 18px; background: var(--ink); color: #fff; border-radius: var(--r-l); transition: background .18s; }
.bonus-card:hover { background: #000; }
.bonus-card .grow-i { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .14); color: #fff; }
.bonus-card b { display: block; font-family: var(--disp); font-weight: 600; font-size: 18px; }
.bonus-card span { display: block; margin-top: 2px; font-size: 14px; color: rgba(255, 255, 255, .72); }
.bonus-card .bonus-n { margin-left: auto; font-family: var(--disp); font-weight: 700; font-size: 28px; color: #fff; }
.bonus-covers { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.bonus-covers img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--r-s); border: 1px solid var(--line); background: var(--card); }

/* ══════════ UNITÀ ══════════ */
.uhead { display: grid; gap: 22px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .uhead { grid-template-columns: minmax(0, 1fr) 300px; align-items: center; gap: 40px; } }
.uhead-img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--r-xl); border-bottom: 5px solid var(--uc); }
@media (max-width: 899px) { .uhead-img { max-width: 420px; order: -1; aspect-ratio: 16 / 9; } }

.alist { margin-top: 8px; }
.arow {
  display: grid; grid-template-columns: 40px 1fr; gap: 6px 14px; align-items: start;
  padding: 18px 0; border-bottom: 1px solid var(--line); position: relative;
  transition: background .15s;
}
@media (min-width: 760px) { .arow { grid-template-columns: 40px 1fr auto 28px; align-items: center; } }
.arow:hover { background: linear-gradient(90deg, transparent, var(--card) 20%, var(--card) 80%, transparent); }
.arow-n {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--r-m);
  background: color-mix(in srgb, var(--uc) 12%, white); color: var(--uc);
  font-family: var(--disp); font-weight: 700; font-size: 16px; font-variant-numeric: tabular-nums;
}
.arow.done .arow-n { background: var(--ok-t); color: var(--ok); }
.arow-t { display: block; font-weight: 600; color: var(--ink); font-size: 16.5px; line-height: 1.3; }
.arow-d { display: block; margin-top: 3px; font-size: 14px; color: var(--ink-2); max-width: 72ch; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.arow-meta { display: flex; flex-wrap: wrap; gap: 6px; grid-column: 2; }
@media (min-width: 760px) { .arow-meta { grid-column: auto; justify-content: flex-end; } }
.arow-ck { display: none; color: var(--ok); }
@media (min-width: 760px) { .arow-ck { display: grid; place-items: center; width: 28px; } }
.arow.done .arow-ck .ico { color: var(--ok); }
.arow:not(.done) .arow-ck .ico { color: var(--line-2); }

/* ══════════ ATTIVITÀ ══════════ */
.ahead { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.ahead h1 { max-width: 22ch; }
.ahead .lead { margin-top: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.two-col { display: grid; gap: 16px; margin-top: 28px; }
@media (min-width: 900px) { .two-col { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 20px; } }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); padding: 20px 22px; }
.panel-h { display: flex; align-items: center; gap: 10px; font-size: 16px; letter-spacing: -.01em; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.panel-h .ico { color: var(--uc); }

.matl li {
  display: flex; gap: 12px; align-items: flex-start; padding: 10px 6px; margin: 0 -6px; border-radius: var(--r-s);
  font-size: 15px; cursor: pointer; user-select: none; transition: background .12s;
}
.matl li:hover { background: var(--paper); }
.matl .bx {
  flex: 0 0 auto; width: 20px; height: 20px; margin-top: 2px; border-radius: 5px;
  border: 1.5px solid var(--line-2); display: grid; place-items: center; color: transparent; background: var(--card);
  transition: background .12s, border-color .12s, color .12s;
}
.matl .bx .ico { width: 13px; height: 13px; }
.matl li.on .bx { background: var(--ok); border-color: var(--ok); color: #fff; }
.matl li.on > span:last-child { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--line-2); }

.steps li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding: 10px 0; font-size: 15px; line-height: 1.55; }
.steps li + li { border-top: 1px solid var(--line); }
.steps .n { font-family: var(--disp); font-weight: 700; font-size: 17px; color: var(--uc); line-height: 1.4; font-variant-numeric: tabular-nums; }

.goal { margin-top: 20px; padding: 20px 22px; border-radius: var(--r-l); background: color-mix(in srgb, var(--uc) 8%, white); border: 1px solid color-mix(in srgb, var(--uc) 22%, white); }
.goal h2 { display: flex; align-items: center; gap: 10px; font-size: 15px; color: color-mix(in srgb, var(--uc) 75%, black); }
.goal p { margin-top: 8px; font-size: 16.5px; color: var(--ink); font-weight: 500; line-height: 1.5; max-width: 70ch; }

.mat { margin-top: 36px; display: grid; gap: 0; border-top: 1px solid var(--line); }
.mblock { display: grid; gap: 8px 32px; padding: 22px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .mblock { grid-template-columns: 220px minmax(0, 1fr); } }
.mblock h2 { display: flex; align-items: flex-start; gap: 10px; font-size: 16px; letter-spacing: -.01em; line-height: 1.35; }
.mblock h2 .ico { color: var(--uc); margin-top: 2px; }
.mblock p, .mblock li { font-size: 15.5px; line-height: 1.6; max-width: 72ch; }
.mblock.why { background: linear-gradient(90deg, transparent, var(--card) 15%, var(--card) 85%, transparent); margin: 0 -16px; padding-left: 16px; padding-right: 16px; }
.dots li { position: relative; padding-left: 18px; }
.dots li + li { margin-top: 8px; }
.dots li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--uc); }

.tline li { display: grid; grid-template-columns: 64px 1fr; gap: 12px; padding: 7px 0; align-items: baseline; }
.tline li + li { border-top: 1px dashed var(--line); }
.tline .tm { font-family: var(--disp); font-weight: 600; font-size: 14px; color: var(--uc); font-variant-numeric: tabular-nums; white-space: nowrap; }

.adapt { display: grid; gap: 12px; }
@media (min-width: 640px) { .adapt { grid-template-columns: 1fr 1fr; } }
.adapt div { padding: 14px 16px; border-radius: var(--r-m); background: var(--card); border: 1px solid var(--line); }
.adapt b { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-3); margin-bottom: 4px; }
.adapt .hard b { color: var(--uc); }

.pager { display: grid; gap: 10px; margin-top: 36px; }
@media (min-width: 640px) { .pager { grid-template-columns: 1fr 1fr; } }
.pager-a { display: block; padding: 16px 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); transition: border-color .18s, box-shadow .18s; }
.pager-a:hover { border-color: var(--ink-3); box-shadow: var(--sh); }
.pager-a.next { text-align: right; }
.pager-k { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-3); font-weight: 500; }
.pager-t { display: block; margin-top: 4px; font-weight: 600; color: var(--ink); }

/* ══════════ DOCUMENTO (guide, extra, bonus) ══════════ */
.dhead { padding-bottom: 24px; border-bottom: 1px solid var(--line); display: grid; gap: 20px; }
@media (min-width: 900px) { .dhead.with-img { grid-template-columns: minmax(0, 1fr) 200px; align-items: center; gap: 40px; } }
.dhead-ico { width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--r-m); background: var(--card); border: 1px solid var(--line); color: var(--ink); margin-bottom: 16px; }
.dhead .lead { margin-top: 12px; }
.dhead-img { width: 100%; max-width: 200px; aspect-ratio: 1; object-fit: cover; border-radius: var(--r-l); border: 1px solid var(--line); }
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .02em; }
.badge.ok { background: var(--ok-t); color: var(--ok); }
.badge.acc { background: var(--accent-t); color: var(--accent); }
.badge.soon { background: var(--warn-t); color: var(--warn); }

.doc { margin-top: 8px; }
.dsec { padding: 24px 0; border-bottom: 1px solid var(--line); display: grid; gap: 8px 32px; }
@media (min-width: 760px) { .dsec { grid-template-columns: 260px minmax(0, 1fr); } }
.dsec h2 { font-size: 17px; letter-spacing: -.01em; line-height: 1.35; }
.dsec p, .dsec li { font-size: 15.5px; line-height: 1.65; max-width: 72ch; }
.dsec .dots { margin-top: 10px; }
.intro { margin: 24px 0 0; font-size: 17px; line-height: 1.6; color: var(--ink); max-width: 68ch; }
.soon-box { margin-top: 20px; padding: 14px 16px; border-radius: var(--r-m); background: var(--warn-t); color: var(--warn); font-size: 14.5px; display: flex; gap: 10px; align-items: flex-start; }

.tbl-wrap { margin-top: 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--card); -webkit-overflow-scrolling: touch; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; }
@media (max-width: 760px) { .tbl { min-width: 600px; } .tbl.xsca { min-width: 0; } }
.tbl th, .tbl td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.tbl th { font-weight: 600; color: var(--ink); background: var(--paper); font-size: 13.5px; white-space: nowrap; position: sticky; top: 0; }
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover td { background: #FBFAF8; }
.tbl td.num { color: var(--ink-3); font-variant-numeric: tabular-nums; width: 1%; white-space: nowrap; }
.tbl td.strong { font-weight: 600; color: var(--ink); min-width: 160px; }
.tbl td.c { text-align: center; }
.tbl.reg td { height: 44px; }
.tnote { margin-top: 10px; font-size: 13.5px; color: var(--ink-3); }

.pp { display: grid; gap: 0; border-top: 1px solid var(--line); margin-top: 8px; }
.ppi { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: start; }
.ppi:hover:not(.nolink) { background: linear-gradient(90deg, transparent, var(--card) 20%, var(--card) 80%, transparent); }
.ppn { font-family: var(--disp); font-weight: 700; font-size: 15px; color: var(--accent); font-variant-numeric: tabular-nums; padding-top: 2px; }
.ppi b { display: block; font-weight: 600; color: var(--ink); font-size: 15px; }
.ppi span:not(.ppn) { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-2); max-width: 72ch; }

/* ══════════ BONUS ══════════ */
.bgrid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; margin-top: 28px; }
@media (min-width: 640px) { .bgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .bgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.bcard { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; transition: border-color .18s, box-shadow .18s, transform .18s; }
.bcard:hover { border-color: var(--ink-3); box-shadow: var(--sh); transform: translateY(-2px); }
.bcard img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--paper); }
.bcard-bd { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.bcard-k { display: flex; gap: 8px; align-items: center; }
.bcard h3 { margin-top: 10px; font-size: 17px; }
.bcard p { margin-top: 6px; font-size: 14px; line-height: 1.5; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.bcard-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 14px; font-size: 13.5px; color: var(--ink-3); }
.bcard-foot b { color: var(--accent); font-weight: 500; }

.exps { display: grid; gap: 14px; margin-top: 24px; }
@media (min-width: 900px) { .exps { grid-template-columns: 1fr 1fr; } }
.exp { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-l); padding: 18px 20px; }
.exp h3 { display: flex; gap: 10px; align-items: baseline; font-size: 17px; }
.exp h3 .num { font-family: var(--disp); color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }
.exp-l { display: grid; gap: 10px; margin-top: 12px; }
.exp-l li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: 14.5px; line-height: 1.55; }
.exp-l .ico { color: var(--ink-3); margin-top: 3px; }
.exp-l li.err .ico { color: var(--warn); }
.bnote { margin-top: 24px; padding: 14px 16px; border-left: 3px solid var(--accent); background: var(--card); font-size: 14.5px; }
.bnote b { color: var(--ink); }

/* ══════════ RICERCA ══════════ */
.search-panel { position: fixed; inset: 0; z-index: 150; background: rgba(27, 26, 23, .42); display: flex; justify-content: center; align-items: flex-start; padding: 8vh 16px 16px; }
.search-card { width: min(100%, 640px); background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden; box-shadow: 0 30px 80px -30px rgba(27, 26, 23, .5); animation: viewIn .15s var(--ease); }
.search-head { display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 16px; border-bottom: 1px solid var(--line); }
.search-ico .ico { color: var(--ink-3); }
.search-input { flex: 1; min-width: 0; height: 44px; border: 0; background: transparent; font-size: 17px; outline: 0; }
.search-input::-webkit-search-cancel-button { display: none; }
.search-results { max-height: min(60vh, 520px); overflow-y: auto; }
.sres { display: grid; grid-template-columns: 12px 1fr; gap: 14px; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.sres:last-child { border-bottom: 0; }
.sres:hover { background: var(--paper); }
.sres .tt { display: block; font-weight: 600; color: var(--ink); font-size: 15px; }
.sres .un { display: block; font-size: 13px; color: var(--ink-3); margin-top: 1px; }
.sempty { padding: 28px 18px; text-align: center; color: var(--ink-3); font-size: 14.5px; }

/* ══════════ TOAST ══════════ */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 160;
  padding: 10px 16px; border-radius: 999px; background: var(--ink); color: #fff;
  font-size: 14px; font-weight: 500; box-shadow: var(--sh); animation: toastIn .2s var(--ease);
  display: inline-flex; align-items: center; gap: 8px; max-width: calc(100vw - 32px);
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ══════════ STAMPA ══════════ */
@media print {
  @page { margin: 16mm; }
  body { background: #fff; color: #000; font-size: 11.5pt; }
  .topbar, .sidebar, .scrim, .top-btn, .search-panel, .toast, .actions, .pager, .back, .progress, .note, .no-print, .kicker-n { display: none !important; }
  .view { margin: 0 !important; padding: 0 !important; }
  .wrap { max-width: none; }
  h1 { font-size: 22pt; }
  .lead { font-size: 12pt; }
  .two-col { grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
  .panel, .goal, .adapt div, .pager-a, .tbl-wrap, .exp { border-color: #bbb; break-inside: avoid; box-shadow: none; }
  .goal { background: #f3f3f3; }
  .mblock, .dsec { break-inside: avoid; grid-template-columns: 180px 1fr; padding: 12px 0; }
  .mblock.why { background: none; margin: 0; padding-left: 0; padding-right: 0; }
  .matl .bx { border-color: #999; }
  .matl li.on .bx { background: #333; border-color: #333; }
  .arow-n, .steps .n, .tline .tm, .step-n, .ppn { color: #000 !important; }
  a { color: inherit; }
}