/* Terra Nota — presentazione del progetto
   Layout a finestra fissa: toolbar · sidebar + stage · status bar */

:root {
  /* Palette ripresa da evolumen.it: neri e grigi antracite, giallo oro come colore dell’interfaccia
     (pieno, con testo nero), ciano e ambra della foto di copertina solo come luce decorativa. */
  --primary: #ffd551;
  --on-primary: #000000;
  --primary-hover: #ffe07a;
  --blue: #00c3df;
  --warm: #ff9e45;
  --sun: #ffd551;
  --teal: #00687e;
  --grad: linear-gradient(90deg, var(--blue), var(--warm) 60%, var(--sun));

  --bg: #f6f5f2;
  --surface: #eceae4;
  --side: #eeede8;
  --ink: #1c1c1f;
  --muted: #4a4b51;
  --faint: #717278;
  --line: #d9d8d2;
  --accent: #00708a;
  --accent-soft: #d4f3f8;
  --ok: #00708a;
  --ok-soft: #d4f3f8;
  --ok-line: #7fd6e6;
  --human: #9a4a00;
  --human-soft: #ffe6c7;
  --human-line: #ffb45e;
  /* toolbar antracite come l’header di evolumen, anche nel tema chiaro */
  --bar-bg: #242427;
  --bar-fg: #bfc0c4;
  --bar-strong: #ffffff;
  --bar-line: rgba(255, 255, 255, .12);
  /* intensità delle luci di copertina */
  --cg-blue: 46%;
  --cg-warm: 40%;
  --cg-sun: 30%;
  --frame-line: rgba(36, 36, 39, .07);
  --frame-shadow: 0 1px 2px rgba(36, 36, 39, .04), 0 14px 32px -18px rgba(36, 36, 39, .2);
  --rule: #242427;
  --hover: rgba(36, 36, 39, .05);
  --on-accent: #ffffff;
  --contour: 1;
  --sb-bg: #242427;
  --sb-fg: rgba(233, 233, 233, .75);
  --sb-strong: #ffffff;
  --sb-sep: rgba(255, 255, 255, .12);
  --sb-hover: rgba(255, 255, 255, .12);
  /* serie dei grafici: validate per daltonismo e contrasto sul fondo chiaro */
  --c1: #1597b0;
  --c2: #d6a100;
  --c3: #c8552b;
  --glow: .7;
  color-scheme: light;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --hh: 64px;
  --fh: 32px;
  --sw: 264px;
}

/* Tema scuro (quello di evolumen.it): segue il sistema, salvo scelta esplicita (data-theme) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #000000;
    --surface: #242427;
    --side: #0e0e10;
    --ink: #e9e9e9;
    --muted: #b4b5ba;
    --faint: #8a8b91;
    --line: #2c2c30;
    --accent: #ffd551;
    --accent-soft: #2e2a14;
    --ok: #00c3df;
    --ok-soft: #032a31;
    --ok-line: #0a4d58;
    --human: #ff9e45;
    --human-soft: #2e1d0c;
    --human-line: #5c3a14;
    --frame-line: rgba(255, 255, 255, .06);
    --frame-shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 14px 32px -18px rgba(0, 0, 0, .9);
    --rule: #404044;
    --hover: rgba(255, 213, 81, .08);
    --on-accent: #000000;
    --contour: 1;
    --sb-bg: #242427;
    --sb-fg: rgba(233, 233, 233, .7);
    --sb-strong: #ffffff;
    --sb-sep: rgba(255, 255, 255, .1);
    --sb-hover: rgba(255, 255, 255, .1);
    --glow: .8;
    --bar-bg: #000000;
    --bar-fg: #b4b5ba;
    --bar-strong: #ffffff;
    --bar-line: #2c2c30;
    --cg-blue: 42%;
    --cg-warm: 34%;
    --cg-sun: 18%;
    --c1: #0f9fbb;
    --c2: #b58d00;
    --c3: #b4452b;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #000000;
  --surface: #242427;
  --side: #0e0e10;
  --ink: #e9e9e9;
  --muted: #b4b5ba;
  --faint: #8a8b91;
  --line: #2c2c30;
  --accent: #ffd551;
  --accent-soft: #2e2a14;
  --ok: #00c3df;
  --ok-soft: #032a31;
  --ok-line: #0a4d58;
  --human: #ff9e45;
  --human-soft: #2e1d0c;
  --human-line: #5c3a14;
  --frame-line: rgba(255, 255, 255, .06);
  --frame-shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 14px 32px -18px rgba(0, 0, 0, .9);
  --rule: #404044;
  --hover: rgba(255, 213, 81, .08);
  --on-accent: #000000;
  --contour: 1;
  --sb-bg: #242427;
  --sb-fg: rgba(233, 233, 233, .7);
  --sb-strong: #ffffff;
  --sb-sep: rgba(255, 255, 255, .1);
  --sb-hover: rgba(255, 255, 255, .1);
  --glow: .8;
  --bar-bg: #000000;
  --bar-fg: #b4b5ba;
  --bar-strong: #ffffff;
  --bar-line: #2c2c30;
  --cg-blue: 42%;
  --cg-warm: 34%;
  --cg-sun: 18%;
  --c1: #0f9fbb;
  --c2: #b58d00;
  --c3: #b4452b;
  color-scheme: dark;
}

[hidden] { display: none !important; }

/* Presentazione: niente selezione accidentale del testo (resta possibile nella chat) */
body { -webkit-user-select: none; user-select: none; }
.chat-log, .chat-input { -webkit-user-select: text; user-select: text; }

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  display: grid;
  grid-template-rows: var(--hh) minmax(0, 1fr) calc(var(--fh) + env(safe-area-inset-bottom, 0px));
  height: 100svh;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p { margin: 0; }

/* ---------- Toolbar ---------- */

.topbar {
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 clamp(16px, 3vw, 32px);
  background: var(--bar-bg);
  border-bottom: 1px solid var(--bar-line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: var(--bar-strong);
  text-decoration: none;
}
.brand-mark { width: 26px; height: 26px; fill: none; stroke: var(--primary); stroke-width: 1.6; }
.brand-name { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.brand-tag {
  padding-left: 10px;
  border-left: 1px solid var(--bar-line);
  color: var(--bar-fg);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  align-self: stretch;
  gap: 2px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  position: relative;
  padding: 0 14px;
  border: 0;
  background: none;
  color: var(--bar-fg);
  font: 500 14px/1 var(--sans);
  white-space: nowrap;
  cursor: pointer;
  transition: color .15s;
}
.tab:hover { color: var(--bar-strong); }
.tab[aria-selected="true"] { color: var(--bar-strong); font-weight: 600; }
.tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 3px;
  background: var(--primary);
}
.tab:focus-visible { outline: 2px solid var(--primary); outline-offset: -6px; border-radius: 6px; }

.theme-toggle {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  margin-left: 8px;
  padding: 0;
  border: 1px solid var(--bar-line);
  background: none;
  color: var(--bar-fg);
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.theme-toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.theme-toggle svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* Cambio tema: transizione breve solo durante il passaggio */
.theming, .theming * { transition: background-color .3s, color .3s, border-color .3s, box-shadow .3s !important; }

/* ---------- Area di lavoro ---------- */

.workspace {
  display: grid;
  grid-template-columns: var(--sw) minmax(0, 1fr);
  min-height: 0;
}

.sidebar {
  overflow-y: auto;
  padding: 28px 0;
  border-right: 1px solid var(--line);
  background: var(--side);
}
.sidebar-title {
  padding: 0 24px 14px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.toc { margin: 0; padding: 0; list-style: none; }
.toc button,
.toc .upcoming {
  display: grid;
  grid-template-columns: 30px 1fr;
  width: 100%;
  padding: 9px 24px 9px 22px;
  border: 0;
  border-left: 2px solid transparent;
  background: none;
  color: var(--muted);
  font: 14px/1.35 var(--sans);
  text-align: left;
}
.toc button { cursor: pointer; transition: background .15s, color .15s; }
.toc button:hover { background: var(--hover); color: var(--ink); }
.toc button[aria-current="true"] {
  background: linear-gradient(var(--primary), var(--primary)) left / 3px 100% no-repeat, var(--bg);
  color: var(--ink);
  font-weight: 600;
}
.toc button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.toc .n { padding-top: 1px; color: var(--faint); font-size: 12px; font-variant-numeric: tabular-nums; }
.toc button[aria-current="true"] .n { color: var(--accent); }
.toc .upcoming { color: var(--faint); }
.toc .upcoming-head {
  margin: 18px 24px 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.viewport { position: relative; min-width: 0; min-height: 0; }
.panel { height: 100%; }

/* ---------- Slide ---------- */

.slide {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  padding: clamp(24px, 5vh, 64px) clamp(24px, 5vw, 80px);
}
.slide:not([hidden]) { animation: enter .35s ease both; }
@keyframes enter { from { opacity: 0; transform: translateY(8px); } }

/* margin:auto centra senza tagliare il contenuto quando la slide scorre */
.slide-inner { position: relative; width: 100%; max-width: 1120px; margin: auto; }

.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(12px, 2.4vh, 20px);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.kicker .num { color: var(--muted); font-variant-numeric: tabular-nums; }
.kicker .num::after { content: ""; display: inline-block; width: 24px; height: 1px; margin-left: 12px; vertical-align: middle; background: var(--line); }

h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.015em; }
h1 { font-size: clamp(48px, min(8vw, 12vh), 112px); line-height: .98; }
h2 { max-width: 22ch; font-size: clamp(28px, min(3.6vw, 5.6vh), 48px); line-height: 1.08; }
h3 { font-size: 17px; font-weight: 600; line-height: 1.3; }

.lead { max-width: 62ch; margin-top: clamp(12px, 2.4vh, 20px); color: var(--muted); font-size: clamp(16px, min(1.5vw, 2.4vh), 19px); }
.lead-xl { max-width: 34ch; margin-top: clamp(16px, 3vh, 28px); color: var(--ink); font-size: clamp(19px, min(2.1vw, 3.2vh), 26px); line-height: 1.4; }

.note {
  max-width: 72ch;
  margin-top: clamp(20px, 3.6vh, 36px);
  padding-left: 14px;
  border-left: 3px solid var(--primary);
  color: var(--muted);
  font-size: 15px;
}
.caption { margin-top: 10px; color: var(--muted); font-size: 12px; letter-spacing: .04em; }

/* ---------- Griglie e card ---------- */

.grid { display: grid; gap: 16px; margin-top: clamp(24px, 4.4vh, 44px); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid.tight { gap: clamp(20px, 3.6vh, 36px) 48px; }

.card {
  padding: clamp(18px, 2.8vh, 26px);
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}
.card h3, .item h3 { margin-bottom: 8px; }
.card p, .item p { color: var(--muted); font-size: 15px; }

.item { padding-top: 16px; border-top: 1px solid var(--rule); }

.icon {
  width: 26px;
  height: 26px;
  margin-bottom: 16px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Copertina ---------- */

.cover {
  background:
    radial-gradient(ellipse 42% 60% at 94% 22%, color-mix(in srgb, var(--blue) var(--cg-blue), transparent), transparent 72%),
    radial-gradient(ellipse 46% 52% at 76% 96%, color-mix(in srgb, var(--warm) var(--cg-warm), transparent), transparent 72%),
    radial-gradient(ellipse 30% 36% at 60% 50%, color-mix(in srgb, var(--sun) var(--cg-sun), transparent), transparent 70%),
    var(--bg);
}
.provisional {
  display: inline-block;
  margin-left: .35em;
  padding: 5px 10px;
  background: var(--primary);
  color: var(--on-primary);
  font: 600 12px/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  vertical-align: top;
  transform: translateY(.6em);
}
.tagline {
  margin-top: clamp(14px, 2.4vh, 22px);
  color: var(--accent);
  font: italic 400 clamp(20px, min(2.3vw, 3.4vh), 30px)/1.25 var(--serif);
}
.cover h1::after {
  content: "";
  display: block;
  width: 128px;
  height: 4px;
  box-shadow: 0 0 14px color-mix(in srgb, var(--warm) calc(var(--glow) * 100%), transparent);
  margin-top: clamp(16px, 3vh, 24px);
  background: var(--grad);
}
.contours {
  position: absolute;
  right: -6%;
  top: 50%;
  width: min(60%, 760px);
  transform: translateY(-50%);
  overflow: visible;
  pointer-events: none;
  z-index: 2;
}
.cover .slide-inner { z-index: 0; }

/* Il globo si afferra e si ruota con il mouse o con il dito */
.contours .globe-hit {
  fill: transparent;
  pointer-events: all;
  cursor: grab;
  touch-action: none;
}
.contours .globe-hit.grabbing { cursor: grabbing; }

/* Curve di livello: le linee cambiano forma (animazione SMIL generata da tools/genera-copertina.js) */
.contours .lines { fill: none; stroke: url(#g-lines); stroke-width: 1.4; opacity: var(--contour); }
.contours .s-blue { stop-color: var(--blue); }
.contours .s-warm { stop-color: var(--warm); }
.contours .s-sun { stop-color: var(--sun); }

/* Globo: colori propri, uguali nei due temi */
.contours .globe { filter: drop-shadow(0 12px 28px rgba(0, 104, 126, .4)); }
.contours .land { fill: url(#g-land); }
.contours .ice { fill: #f2f2f2; }
.contours .graticule { fill: none; stroke: #ffffff; stroke-width: .7; opacity: .16; }
.contours .pin { fill: #ffffff; pointer-events: none; }
.contours .hot { pointer-events: none; stroke: rgba(20, 20, 22, .75); stroke-width: 1; paint-order: stroke; }
.contours .hot-glow { pointer-events: none; fill-opacity: .5; filter: blur(1.4px); animation: hot-pulse 1.8s ease-in-out infinite; }
.contours .hot-ring { pointer-events: none; fill: none; stroke-width: 1.2; vector-effect: non-scaling-stroke; transform-box: fill-box; transform-origin: center; animation: hot-ring 1.8s ease-out infinite; }
@keyframes hot-pulse { 50% { fill-opacity: .12; } }
@keyframes hot-ring { from { transform: scale(1); stroke-opacity: .95; } to { transform: scale(3.4); stroke-opacity: 0; } }
.contours .globe-hit.on-spot { cursor: pointer; }
.contours .pin-halo { fill: #ffd551; fill-opacity: .5; filter: blur(1.5px); pointer-events: none; }

.cover-meta { display: flex; flex-wrap: wrap; gap: 20px 48px; margin: clamp(28px, 6vh, 56px) 0 0; }
.cover-meta dt { color: var(--muted); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.cover-meta dd { margin: 4px 0 0; font-weight: 500; }

kbd {
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  font: 12px var(--sans);
}

/* ---------- Obiettivi numerati ---------- */

.numlist { margin: clamp(20px, 4vh, 40px) 0 0; padding: 0; list-style: none; counter-reset: n; }
.numlist li {
  display: grid;
  grid-template-columns: 64px minmax(160px, 240px) 1fr;
  align-items: baseline;
  gap: 6px 24px;
  padding: clamp(12px, 2.2vh, 20px) 0;
  border-top: 1px solid var(--line);
  counter-increment: n;
}
.numlist li:last-child { border-bottom: 1px solid var(--line); }
.numlist li::before {
  content: counter(n, decimal-leading-zero);
  color: var(--accent);
  font-weight: 600;
  font: 500 26px/1 var(--serif);
}
.numlist h3 { font-size: 19px; }
.numlist p { color: var(--muted); }

/* ---------- Dossier ---------- */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }

.entities { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; overflow: hidden; border: 1px solid var(--line); background: var(--frame-line); }
.entities > div { padding: clamp(14px, 2.4vh, 22px); background: var(--surface); }
.entities h3 { margin-bottom: 6px; color: var(--accent); font-size: 15px; }
.entities p { color: var(--muted); font-size: 14px; }

.timeline { display: flex; margin-top: clamp(24px, 4vh, 40px); }
.timeline span {
  position: relative;
  flex: 1;
  padding-top: 22px;
  color: var(--muted);
  font-size: 12px;
}
.timeline span::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}
.timeline span::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
}
.timeline span:last-child::after { border-color: var(--primary); background: var(--primary); }

/* ---------- Flusso ---------- */

.flow { display: flex; align-items: center; gap: 10px; margin-top: clamp(28px, 5vh, 48px); }
.step {
  flex: 1;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.step h3 { margin-bottom: 6px; font-size: 15px; }
.step p { color: var(--muted); font-size: 13px; line-height: 1.45; }
.step.ok { border-color: var(--ok-line); background: var(--ok-soft); }
.step.ok h3 { color: var(--ok); }
.step.human { border-color: var(--human-line); background: var(--human-soft); }
.step.human h3 { color: var(--human); }
.step.final { border: 2px solid var(--primary); background: var(--surface); }
.branch { display: flex; flex: 1.1; flex-direction: column; gap: 10px; }
.flow-arrow {
  flex: none;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Fonti ---------- */

.sources { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: clamp(20px, 3.4vh, 32px) 40px; margin-top: clamp(24px, 4.4vh, 44px); }
.sources > div { padding-top: 14px; border-top: 1px solid var(--rule); }
.sources h3 { margin-bottom: 4px; }
.sources p { color: var(--muted); font-size: 14px; }

/* ---------- Livelli ---------- */

.tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
}

/* ---------- Principi ---------- */

.principles { max-width: 860px; margin: clamp(20px, 4vh, 40px) 0 0; padding: 0; list-style: none; }
.principles li {
  position: relative;
  padding: clamp(12px, 2vh, 18px) 0 clamp(12px, 2vh, 18px) 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 16px;
}
.principles li:last-child { border-bottom: 1px solid var(--line); }
.principles li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: calc(clamp(12px, 2vh, 18px) + 9px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .12);
}
.principles strong { color: var(--ink); font-weight: 600; }

/* ---------- Progressione ---------- */

.stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: clamp(24px, 4.4vh, 44px) 0 0; padding: 0; list-style: none; }
.stage {
  padding: clamp(20px, 3.2vh, 28px) 24px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}
.stage.current { border: 2px solid var(--primary); }
.stage-label { color: var(--accent); font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.stage h3 { margin: 8px 0 10px; font: 500 26px/1.15 var(--serif); }
.stage p { color: var(--muted); font-size: 15px; }
.chip {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* ---------- Primo passo ---------- */

.phases { display: grid; gap: 14px; margin-top: clamp(20px, 3.6vh, 36px); }
.phases > div { display: flex; gap: 16px; align-items: flex-start; }
.phase {
  display: grid;
  place-items: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font: 600 18px/1 var(--serif);
}
.phases p { margin-top: 2px; color: var(--muted); font-size: 14px; }

.decisions {
  padding: clamp(22px, 3.6vh, 32px);
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}
.decisions h3 { margin-bottom: 12px; color: var(--accent); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.decisions ul { margin: 0; padding: 0; list-style: none; }
.decisions li { padding: clamp(6px, 1.2vh, 10px) 0; border-top: 1px solid var(--line); font-size: 15px; }
.decisions li:first-child { border-top: 0; }

.disclaimer { margin-top: 20px; color: var(--muted); font-size: 12px; }

/* ---------- Fonti delle slide e riferimenti ---------- */

.source { margin-top: clamp(14px, 2.6vh, 24px); color: var(--faint); font-size: 12px; }
.slide-source { width: 100%; max-width: 1120px; margin: 0 auto; }

.ref {
  text-decoration: underline dotted var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  cursor: help;
}
.ref:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.phase.ref { text-decoration: none; }

.tip {
  position: fixed;
  z-index: 60;
  max-width: 320px;
  padding: 12px 14px;
  border-top: 2px solid var(--primary);
  background: var(--sb-bg);
  box-shadow: 0 18px 40px -14px rgba(0, 0, 0, .5);
  color: var(--sb-fg);
  font-size: 13px;
  line-height: 1.45;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .12s, transform .12s;
}
.tip.on { opacity: 1; transform: none; }
.tip { white-space: pre-line; }
.tip strong { display: block; margin-bottom: 2px; color: var(--sb-strong); font-size: 13.5px; }
.tip .meta { display: block; margin-bottom: 6px; color: var(--primary); font-size: 12px; }

/* ---------- Componenti delle sezioni ---------- */

.g2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.split.top { align-items: start; margin-top: clamp(20px, 3.6vh, 36px); }
.slide-inner.split.top { margin-top: auto; }
.col-title { margin-bottom: 4px; color: var(--accent); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.split.top .principles { margin-top: 8px; }
.decisions .body { margin-top: 10px; color: var(--muted); font-size: 15px; }
.numlist.compact li { grid-template-columns: 48px 1fr; padding: clamp(8px, 1.4vh, 12px) 0; }
.numlist.compact li p { grid-column: 2; }

.table-wrap { margin-top: clamp(20px, 3.6vh, 36px); overflow-x: auto; }
.data { width: 100%; border-collapse: collapse; font-size: 14px; }
.data th {
  padding: 10px 14px;
  border-bottom: 2px solid var(--primary);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-align: left;
  text-transform: uppercase;
}
.data td { padding: clamp(7px, 1.3vh, 11px) 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data td:first-child { font-weight: 600; }
.data td:not(:first-child) { color: var(--muted); }
.data .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.data.money td.num { color: var(--ink); }
.data tr.total td { border-top: 2px solid var(--rule); font-weight: 700; color: var(--ink); }
.data tr.reserve td { color: var(--muted); }
.data tr.grand td,
.data.money tr.grand td.num { background: var(--primary); color: var(--on-primary); font-weight: 700; }
.data.money td { padding-block: clamp(5px, 1vh, 9px); }
.footnotes { margin-top: 12px; color: var(--muted); font-size: 12px; }

.layers { display: grid; gap: 8px; margin: clamp(20px, 3.6vh, 36px) 0 0; padding: 0; list-style: none; }
.layers li {
  display: grid;
  grid-template-columns: 44px minmax(160px, 220px) 1fr;
  align-items: center;
  gap: 4px 20px;
  padding: clamp(10px, 1.8vh, 16px) 20px;
  border: 1px solid var(--frame-line);
  border-left: 3px solid var(--primary);
  background: var(--surface);
  box-shadow: var(--frame-shadow);
}
.layers .n { color: var(--accent); font: 600 22px/1 var(--serif); }
.layers p { color: var(--muted); font-size: 14px; }

.seq {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 20px;
  margin: clamp(28px, 5vh, 48px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: s;
}
.seq.six { grid-template-columns: repeat(3, 1fr); }
.seq li { position: relative; padding-top: 22px; border-top: 2px solid var(--line); counter-increment: s; }
.seq li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  top: -11px;
  left: 0;
  padding: 0 8px 0 0;
  background: var(--bg);
  color: var(--accent);
  font: 600 13px/20px var(--sans);
}
.seq li::after { content: ""; position: absolute; top: -2px; left: 0; width: 32px; height: 2px; background: var(--primary); }
.seq h3 { margin-bottom: 4px; font-size: 16px; }
.seq p { color: var(--muted); font-size: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.chips li { padding: 8px 14px; border: 1px solid var(--frame-line); border-left: 3px solid var(--primary); background: var(--surface); font-size: 14px; font-weight: 500; }

.step.big { padding: clamp(20px, 3.4vh, 32px); }
.step.big h3 { font-size: 19px; }
.step.big p { font-size: 15px; }

/* Cronoprogramma: 80 settimane = 100%, una settimana = 1,25% */
.gantt {
  display: grid;
  grid-template-columns: minmax(180px, 250px) 1fr;
  gap: 10px 20px;
  align-items: center;
  margin-top: clamp(24px, 4.4vh, 40px);
}
.g-lbl { font-size: 14px; font-weight: 500; }
.g-lbl .ref { display: inline-block; width: 18px; color: var(--accent); font-weight: 700; }
.g-lbl small { margin-left: 6px; color: var(--muted); font-size: 12px; font-weight: 400; }
.g-track {
  position: relative;
  height: 24px;
  background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 12.5%);
}
.bar { position: absolute; top: 3px; bottom: 3px; left: calc(var(--s) * 1.25%); width: calc((var(--e) - var(--s)) * 1.25%); }
.bar.p1 { background: var(--primary); }
.bar.p2 { background: var(--blue); }
.bar.p3 { background: var(--warm); }
.bar.range { opacity: .35; }
.bar.tbd { background: none; border: 1.5px dashed var(--warm); }
.g-axis { position: relative; height: 18px; color: var(--faint); font-size: 11px; font-variant-numeric: tabular-nums; }
.g-axis span { position: absolute; left: calc(var(--s) * 1.25%); transform: translateX(-50%); white-space: nowrap; }
.g-axis span:first-child { transform: none; }
.g-axis span:last-child { transform: translateX(-100%); }
.legend { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 16px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.legend i { display: inline-block; width: 18px; height: 8px; margin-right: 8px; vertical-align: middle; }
.legend .p1 { background: var(--primary); }
.legend .p2 { background: var(--blue); }
.legend .p3 { background: var(--warm); }
.legend .range-key { background: var(--muted); opacity: .35; }

.bignums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: clamp(24px, 4.4vh, 44px); }
.bignums > div { padding: clamp(18px, 3vh, 28px) 24px; border: 1px solid var(--frame-line); border-top: 3px solid var(--line); background: var(--surface); box-shadow: var(--frame-shadow); }
.bignums > div.current { border-top-color: var(--primary); }
.bignums strong { display: block; margin: 10px 0 6px; font: 500 clamp(19px, min(1.9vw, 3.2vh), 28px)/1.15 var(--serif); white-space: nowrap; font-variant-numeric: tabular-nums; }
.bignums small { color: var(--muted); font-size: 13px; }

/* ---------- Grafici dei costi ---------- */

.chart { margin-top: clamp(16px, 3vh, 28px); font-variant-numeric: tabular-nums; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0 0 14px; padding: 0; list-style: none; color: var(--muted); font-size: 13px; }
.chart-legend i { display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -1px; }
.chart-legend b { color: var(--ink); font-weight: 600; }

.split-rows { display: grid; grid-template-columns: minmax(150px, 190px) 1fr minmax(130px, 170px); gap: 6px 16px; align-items: center; }
.split-amb { font-size: 14px; font-weight: 600; }
.split-amb small, .split-total small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.split-gap { grid-column: 1 / -1; height: 10px; }
.split-bar { display: flex; gap: 2px; height: 30px; }
.split-bar span {
  display: flex;
  align-items: center;
  min-width: 2px;
  padding-left: 8px;
  overflow: hidden;
  color: #0c1418;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: default;
}
.split-total { font-size: 13px; text-align: right; }
.s1 { background: var(--c1); }
.s2 { background: var(--c2); }
.s3 { background: var(--c3); }
[data-tip-title]:hover, [data-tip-title]:focus-visible { filter: brightness(1.12); outline: none; }

.seg-control { display: inline-flex; margin-top: clamp(14px, 2.6vh, 24px); border: 1px solid var(--line); }
.seg-control button {
  padding: 8px 16px;
  border: 0;
  background: none;
  color: var(--muted);
  font: 500 13px/1 var(--sans);
  cursor: pointer;
}
.seg-control button + button { border-left: 1px solid var(--line); }
.seg-control button[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); font-weight: 600; }
.seg-control button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; margin-top: clamp(14px, 2.6vh, 24px); }
.charts .chart { margin-top: 10px; }
.range-rows { display: grid; grid-template-columns: minmax(140px, 200px) 1fr; gap: 8px 14px; align-items: center; }
.range-lbl { font-size: 13px; font-weight: 500; line-height: 1.3; }
.range-lbl small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.range-track { position: relative; height: 16px; background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px calc(100% / var(--n, 4))); box-shadow: inset -1px 0 var(--line); }
.range-track span { position: absolute; top: 0; bottom: 0; min-width: 2px; }
.range-axis { position: relative; grid-column: 2; height: 16px; color: var(--faint); font-size: 11px; }
.range-axis span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.range-axis span:first-child { transform: none; }
.range-axis span:last-child { transform: translateX(-100%); }

/* Responsabile della voce: Capera o specialisti di settore */
.who { display: inline-block; width: 10px; height: 10px; margin-right: 10px; vertical-align: 0; }
.who.capera { background: var(--c1); }
.who.spec { background: var(--c3); }
.who.ext { background: var(--c2); }
.data.roles tbody tr:not(.subtotal):not(.grand) td:nth-child(2) { color: var(--muted); font-size: 13px; white-space: nowrap; }
.data.roles td { padding-block: clamp(2px, .4vh, 5px); }
.data.roles td.num { font-size: 13px; }
.data.roles td, .data.roles th { padding-inline: 10px; }
.data.roles tr.group td { padding-top: clamp(6px, 1vh, 10px); }
.data tr.group td { padding-top: clamp(10px, 1.8vh, 16px); border-bottom: 1px solid var(--rule); color: var(--ink); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.data tr.subtotal td { border-bottom: 0; color: var(--ink); font-weight: 700; }
.data tr.subtotal td small { margin-left: 8px; color: var(--muted); font-size: 12px; font-weight: 400; }
.data.roles td:first-child { white-space: nowrap; }

/* Quadro sinottico */
.data.synopsis td { padding-block: clamp(7px, 1.3vh, 11px); }
.data.synopsis td.num { font-size: 15px; }
.data.synopsis tr.grand td { font-size: 16px; }
.synopsis-foot { display: flex; flex-wrap: wrap; gap: 8px 40px; margin-top: 16px; color: var(--muted); font-size: 14px; }
.synopsis-foot strong { margin-right: 8px; color: var(--ink); font-weight: 600; }

/* Avviso sulle stime del quadro economico */
.caveat {
  margin-left: auto;
  padding: 4px 10px;
  border: 1px solid var(--primary);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
}
.note strong { color: var(--ink); }

/* ---------- Finestra del globo ---------- */

.contours .globe-hint { fill: var(--muted); font: 500 9px var(--sans); letter-spacing: .08em; pointer-events: none; }
.gm-art .globe-hint { display: none; }
/* nella finestra il globo è grande: niente sfocature costose, la rotazione resta fluida */
.gm-art .lines { filter: none; }
.gm-art .globe { filter: none; }
.gm-art .hot-glow { filter: none; fill-opacity: .3; }
.gm-art .pin-halo { filter: none; }

.globe-modal { position: fixed; inset: 0; z-index: 50; }
.gm-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--sb-bg) 55%, transparent);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: gm-fade .2s ease-out both;
}
.gm-window {
  position: absolute;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--primary);
  background: var(--bg);
  /* cornice: passe-partout nel colore della barra laterale, chiuso da un filo, più l’ombra */
  box-shadow:
    0 0 0 7px var(--side),
    0 0 0 8px var(--line),
    0 40px 90px -30px rgba(0, 0, 0, .55),
    0 2px 8px rgba(0, 0, 0, .12);
  animation: gm-in .24s cubic-bezier(.2, .7, .3, 1) both;
}
.gm-window.is-dragging { will-change: transform; }
.gm-window.is-moving { user-select: none; }
@keyframes gm-fade { from { opacity: 0; } }
@keyframes gm-in { from { opacity: 0; transform: translateY(10px) scale(.98); } }

.gm-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 12px 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--side);
  cursor: grab;
  touch-action: none;
}
.gm-window.is-moving .gm-head { cursor: grabbing; }
.gm-title { font: 500 18px/1.2 var(--serif); }
.gm-sub { margin-top: 3px; color: var(--muted); font-size: 12px; }
.gm-actions { display: flex; gap: 6px; }
.gm-btn {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.gm-btn:hover { border-color: var(--accent); color: var(--accent); }
.gm-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.gm-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.gm-body {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--blue) 22%, transparent), transparent 55%),
    radial-gradient(ellipse 60% 50% at 80% 100%, color-mix(in srgb, var(--warm) 20%, transparent), transparent 70%),
    var(--bg);
}
.gm-body .gm-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: none;
}

.gm-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 10px 20px;
  border-top: 1px solid var(--line);
  background: var(--side);
}
.gm-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.gm-legend i { display: inline-block; width: 9px; height: 9px; margin-right: 6px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(20, 20, 22, .5); vertical-align: 0; }
.gm-note { color: var(--faint); font-size: 11px; letter-spacing: .04em; }

.gm-resize {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  cursor: nwse-resize;
  touch-action: none;
  background:
    linear-gradient(135deg, transparent 0 55%, var(--muted) 55% 60%, transparent 60% 70%, var(--muted) 70% 75%, transparent 75% 85%, var(--muted) 85% 90%, transparent 90%);
  opacity: .7;
}
.gm-resize:hover { opacity: 1; }

/* ---------- Cornice dei riquadri: sfumata, angoli vivi ---------- */

.card, .entities, .step, .stage, .decisions {
  border-color: var(--frame-line);
  box-shadow: var(--frame-shadow);
}
.card { border-top: 3px solid var(--primary); }

/* ---------- Sezioni in preparazione ---------- */

.placeholder .kicker { color: var(--muted); }
.contents { max-width: 520px; margin: clamp(20px, 3.6vh, 36px) 0 0; padding: 0; list-style: none; }
.contents li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); }
.contents li:last-child { border-bottom: 1px solid var(--line); }

/* ---------- Status bar ---------- */

.statusbar {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  padding: 0 clamp(8px, 1.5vw, 16px) env(safe-area-inset-bottom, 0px);
  background: var(--sb-bg);
  color: var(--sb-fg);
  font-size: 12px;
  white-space: nowrap;
}
.sb-seg { display: flex; align-items: center; gap: 8px; height: var(--fh); padding: 0 14px; }
.sb-seg + .sb-seg { border-left: 1px solid var(--sb-sep); }
.sb-state { color: var(--sb-strong); }
.sb-state .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }
.sb-where { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; display: block; line-height: var(--fh); }
.sb-where b { color: var(--sb-strong); font-weight: 500; }
.sb-count { min-width: 52px; text-align: center; font-variant-numeric: tabular-nums; letter-spacing: .06em; }

.sb-btn {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: none;
  color: inherit;
  cursor: pointer;
}
.sb-btn:hover:not(:disabled) { background: var(--sb-hover); color: var(--sb-strong); }
.sb-btn:disabled { opacity: .3; cursor: default; }
.sb-btn:focus-visible { outline: 1px solid var(--sb-strong); }
.sb-btn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sb-btn svg.flip { transform: rotate(180deg); }

/* ---------- Assistente AI ---------- */

.sb-ai-seg { padding-right: 0; }
.sb-ai {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 24px;
  padding: 0 12px;
  border: 0;
  background: var(--primary);
  color: var(--on-primary);
  font: 600 12px/1 var(--sans);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.sb-ai svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.sb-ai:hover, .sb-ai[aria-expanded="true"] { background: var(--primary-hover); }
.sb-ai:focus-visible { outline: 1px solid var(--sb-strong); outline-offset: 2px; }

.chat {
  position: fixed;
  right: clamp(8px, 1.5vw, 16px);
  bottom: calc(var(--fh) + env(safe-area-inset-bottom, 0px) + 10px);
  z-index: 30;
  display: flex;
  flex-direction: column;
  width: min(380px, calc(100vw - 16px));
  height: min(540px, calc(100svh - var(--hh) - var(--fh) - 32px));
  border: 1px solid var(--line);
  background: var(--bg);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .35), 0 2px 6px rgba(0, 0, 0, .08);
}
.chat:not([hidden]) { animation: chat-in .22s ease-out both; }
@keyframes chat-in { from { opacity: 0; transform: translateY(10px); } }

.chat-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--side);
}
.chat-title { display: flex; align-items: center; gap: 8px; font: 600 15px/1.2 var(--sans); }
.chat-title svg { width: 16px; height: 16px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.chat-sub { margin-top: 4px; color: var(--muted); font-size: 12px; }
.chat-close {
  display: grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
}
.chat-close:hover { background: var(--hover); color: var(--ink); }
.chat-close:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.chat-close svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }

.chat-log {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  padding: 18px;
}
.msg { max-width: 88%; padding: 10px 13px; font-size: 14px; line-height: 1.5; }
.msg.bot { align-self: flex-start; border: 1px solid var(--frame-line); background: var(--surface); }
.msg.user { align-self: flex-end; background: var(--accent); color: var(--on-accent); }
.msg .src { display: block; margin-top: 8px; padding-top: 7px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.msg.typing { display: flex; gap: 4px; padding: 13px; }
.msg.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: typing 1s infinite ease-in-out; }
.msg.typing i:nth-child(2) { animation-delay: .15s; }
.msg.typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

.chat-suggest { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 18px 12px; }
.chat-suggest button {
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: none;
  color: var(--accent);
  font: 12px/1.3 var(--sans);
  cursor: pointer;
}
.chat-suggest button:hover { border-color: var(--accent); background: var(--hover); }
.chat-suggest button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.chat-form { display: flex; border-top: 1px solid var(--line); }
.chat-input {
  flex: 1;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  border: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px var(--sans);
}
.chat-input::placeholder { color: var(--faint); }
.chat-input:focus { outline: none; background: var(--side); }
.chat-send {
  display: grid;
  place-items: center;
  width: 48px;
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--primary);
  color: var(--on-primary);
  cursor: pointer;
}
.chat-send:disabled { opacity: .45; cursor: default; }
.chat-send:focus-visible { outline: 2px solid var(--ink); outline-offset: -4px; }
.chat-send svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .charts { grid-template-columns: 1fr; }
  .split-rows { grid-template-columns: 1fr; }
  .split-total { text-align: left; }
  .seq { grid-template-columns: repeat(2, 1fr); }
  .seq.six { grid-template-columns: repeat(2, 1fr); }
  .bignums { grid-template-columns: 1fr; }
  .layers li { grid-template-columns: 36px 1fr; }
  .layers li p { grid-column: 2; }
  .gantt { grid-template-columns: 1fr; gap: 4px; }
  .gantt > div:empty { display: none; }
  :root { --sw: 220px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .stages { grid-template-columns: 1fr; }
  .flow { flex-direction: column; align-items: stretch; }
  .flow-arrow { align-self: center; transform: rotate(90deg); }
  .branch { flex-direction: row; }
  .numlist li { grid-template-columns: 48px 1fr; }
  .numlist li p { grid-column: 2; }
  .contours { opacity: .12; }
  .sb-meta:not(.sb-credits) { display: none; }
}

@media (max-width: 760px) {
  :root { --hh: 104px; }
  .topbar { flex-wrap: wrap; gap: 0; padding-top: 10px; }
  .brand { flex: 1; height: 40px; }
  .tabs { order: 3; }
  .tabs { width: 100%; height: 48px; margin: 0 -14px; }

  .workspace { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .sidebar { overflow-x: auto; overflow-y: hidden; padding: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar-title, .toc .upcoming-head, .toc .upcoming { display: none; }
  .toc { display: flex; }
  .toc button { display: flex; gap: 6px; width: auto; padding: 10px 14px; border-left: 0; border-bottom: 2px solid transparent; white-space: nowrap; }
  .toc button[aria-current="true"] { background: linear-gradient(var(--primary), var(--primary)) bottom / 100% 2px no-repeat, var(--bg); }

  .entities { grid-template-columns: 1fr; }
  .branch { flex-direction: column; }
  .timeline span { font-size: 10px; }
  .sb-state, .sb-meta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Presentazione e lettura continua condividono le stesse sezioni. */
body { grid-template-rows:var(--hh) auto minmax(0,1fr) calc(var(--fh) + env(safe-area-inset-bottom,0px)); }
.consultation-bar { display:flex; align-items:center; flex-wrap:wrap; gap:12px; padding:10px 24px; background:var(--side); border-bottom:1px solid var(--line); }
.reading-switch { display:flex; gap:4px; }
.consultation-bar button { min-height:40px; padding:9px 12px; border:1px solid var(--line); background:var(--bg); color:var(--ink); font:600 12px var(--sans); cursor:pointer; }
.reading-switch button[aria-pressed="true"] { background:var(--primary); border-color:var(--primary); color:var(--on-primary); }
.consultation-bar :focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
#reading-tools { display:flex; align-items:center; gap:10px; flex-wrap:wrap; flex:1; }
#reading-search-form { display:flex; gap:6px; align-items:center; flex:1; }
.reading-search-label { font-size:12px; color:var(--muted); }
#reading-search { min-width:120px; width:100%; max-width:300px; padding:10px; border:1px solid var(--line); color:var(--ink); background:var(--bg); font:14px var(--sans); }
#reading-copy-status { font-size:11px; color:var(--muted); }
#reading-link-fallback { flex:1; min-width:180px; padding:8px; color:var(--ink); background:var(--bg); border:1px solid var(--line); }
.reading-permalink,.reading-search-feedback { display:none; }
.reading-mode { -webkit-user-select:text; user-select:text; }
.reading-mode .viewport { overflow-y:auto; overflow-x:hidden; scroll-behavior:auto; }
.reading-mode .panel { height:auto; }
.reading-mode .slide { height:auto; min-height:0; overflow:visible; padding:36px clamp(24px,5vw,80px) 48px; border-bottom:1px solid var(--line); animation:none; scroll-margin-top:0; }
.reading-mode .slide-inner { margin:0 auto; }
.reading-mode .slide-source { position:static; margin:24px auto 0; }
.reading-mode .reading-permalink { display:block; align-self:flex-start; margin:0 0 24px; color:var(--accent); font:12px/1.5 var(--sans); text-decoration:underline; }
.reading-mode .cover .contours { opacity:.15; pointer-events:none; }
.reading-mode .cover { min-height:600px; }
.reading-mode .slide:focus { outline:none; }
.reading-mode .slide:focus-visible { outline:2px solid var(--accent); outline-offset:-3px; }
.reading-toc-group { padding:22px 24px 8px; font:600 11px/1.5 var(--sans); color:var(--ink); text-transform:uppercase; letter-spacing:.08em; }
.reading-mode .reading-search-feedback { display:block; }
#reading-search-status:not(:empty) { padding:20px 32px 0; color:var(--muted); font-size:13px; }
#reading-results { padding:12px 32px 24px; border-bottom:1px solid var(--line); background:var(--surface); }
.reading-results-list { display:grid; grid-template-columns:1fr 1fr; gap:18px; padding:0; margin:0; list-style:none; max-height:340px; overflow:auto; }
.reading-results-list a { color:var(--accent); font-weight:600; font-size:14px; }
.reading-results-list p { font-size:12px; color:var(--muted); margin-top:8px; }
@media(max-width:760px) {
 .consultation-bar { padding:8px 14px; gap:8px; }
 #reading-tools { flex-basis:100%; }
 .reading-search-label { display:none; }
 #reading-search-form { flex-basis:100%; }
 #reading-search { max-width:none; }
 .reading-mode .sidebar { max-height:100px; }
 .reading-mode .toc .reading-toc-group { display:none; }
 .reading-mode .cover { min-height:0; }
 .reading-results-list { grid-template-columns:1fr; max-height:220px; }
 #reading-results { padding:12px 20px; }
}
/* Il documento resta entro la larghezza dello schermo anche con tabelle ampie. */
body { grid-template-columns:minmax(0,1fr); }
.consultation-bar,.topbar,.workspace,.statusbar { min-width:0; }

.chat-guide { display:flex; flex-wrap:wrap; gap:6px; padding:12px 18px; border-top:1px solid var(--line); }
.chat-guide p { flex-basis:100%; color:var(--muted); font:600 11px/1.5 var(--sans); }
.chat-guide button { border:1px solid var(--line); background:var(--surface); color:var(--ink); padding:9px 10px; min-height:40px; font:600 12px var(--sans); cursor:pointer; }
.chat-guide button:hover { border-color:var(--accent); }
.chat-guide button:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }

.operator-page-link { display:inline-flex; align-items:center; text-decoration:none; }

/* Affinamento UI: controlli coerenti e navigazione mobile compatta. */
.mobile-navigation,#mobile-tools-toggle { display:none; }
.consultation-bar button { min-height:44px; }
.theme-toggle { width:44px; height:44px; }
.reading-switch button { transition:background .15s; }
.sidebar .toc button { min-height:42px; }
.reading-mode .slide-inner>p:not(.kicker):not(.source) { max-width:72ch; }
@media(max-width:760px) {
 :root { --hh:64px; --fh:52px; }
 .topbar { flex-wrap:nowrap; padding:0 16px; gap:8px; }
 .topbar .tabs { display:none; }
 .brand { height:auto; min-width:0; }
 .brand-tag { font-size:9px; letter-spacing:.08em; }
 .theme-toggle { margin-left:auto; }
 .consultation-bar { padding:10px 16px; gap:10px; align-items:center; }
 .reading-switch { flex:1; gap:4px; }
 .reading-switch button { flex:1; padding:10px; font-size:12px; }
 .reading-mode #mobile-tools-toggle { display:block; flex-shrink:0; }
 .mobile-navigation { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.15fr); gap:10px; width:100%; order:2; }
 .mobile-navigation label { display:flex; flex-direction:column; gap:4px; font:600 10px/1.3 var(--sans); color:var(--muted); min-width:0; }
 .mobile-navigation select { width:100%; min-width:0; min-height:44px; padding:8px 26px 8px 9px; border:1px solid var(--line); color:var(--ink); background:var(--bg); font:13px var(--sans); text-overflow:ellipsis; }
 .workspace { grid-template-rows:minmax(0,1fr); }
 .workspace>.sidebar { display:none; }
 #reading-tools { display:none; order:3; padding-top:10px; border-top:1px solid var(--line); gap:8px; }
 .mobile-tools-open #reading-tools:not([hidden]) { display:flex; }
 #reading-tools #reading-search { font-size:16px; min-height:44px; }
 #reading-copy-status:empty { display:none; }
 .slide { padding:26px 20px 32px; }
 .reading-mode .slide { padding:28px 20px 36px; }
 .cover h1 { font-size:clamp(42px,12vw,64px); }
 .cover .lead-xl { font-size:19px; line-height:1.5; }
 .cover-meta { flex-wrap:wrap; gap:18px 28px; margin-top:24px; }
 .demo-launch { gap:10px; }
 .demo-launch .demo-primary,.demo-launch .operator-page-link { width:100%; justify-content:center; text-align:center; }
 .demo-launch>span { width:100%; font-size:12px; }
 .slide h2 { font-size:30px; line-height:1.15; }
 .slide .lead { font-size:16px; line-height:1.65; }
 .table-wrap { margin-inline:0; padding-bottom:8px; }
 .data { font-size:13px; }
 .statusbar { justify-content:space-between; padding-inline:8px; }
 .sb-where { display:none; }
 .sb-seg { padding:0 4px; gap:4px; }
 .sb-seg+.sb-seg { border-left:0; }
 .sb-pager { flex:1; justify-content:flex-start; }
 .sb-btn { width:44px; height:44px; }
 .sb-count { font-size:11px; letter-spacing:0; }
 .sb-ai { min-height:44px; font-size:12px; }
 .chat { bottom:calc(var(--fh) + env(safe-area-inset-bottom,0px) + 8px); height:min(590px,calc(100dvh - 82px)); }
 .chat-guide button { min-height:44px; }
}
@media(max-width:360px) {
 .brand-tag { display:none; }
 .mobile-navigation { grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:6px; }
 .consultation-bar { padding-inline:12px; }
 .reading-switch button { padding:9px 6px; font-size:11px; }
}