/* ============================================================
   Nuova veste — LSM Process Mapper
   Un solo sistema (sostituisce la cascata a 5 CSS). Mantiene
   palette OKLCH + Geist / Instrument Serif / DM Serif / JetBrains
   Mono. Vista guidata di default; [data-user-mode="expert"] = esperto.
   ============================================================ */

:root {
  --bg:           oklch(0.985 0.005 80);
  --bg-elev:      #ffffff;
  --bg-sunken:    oklch(0.972 0.006 80);
  --bg-band:      oklch(0.955 0.008 80);
  --bg-deep:      oklch(0.19 0.013 250);

  --ink:          oklch(0.22 0.012 250);
  --ink-soft:     oklch(0.42 0.012 250);
  --ink-mute:     oklch(0.56 0.010 250);
  --ink-faint:    oklch(0.72 0.008 250);
  --ink-onDark:   oklch(0.96 0.006 80);

  --line:         oklch(0.91 0.008 80);
  --line-strong:  oklch(0.83 0.010 80);

  /* Primary = turchese Adastra */
  --primary:      oklch(0.55 0.09 215);
  --primary-soft: oklch(0.93 0.03 215);
  --primary-ink:  oklch(0.36 0.08 215);

  --waste:        oklch(0.58 0.14 42);
  --waste-soft:   oklch(0.94 0.03 42);
  --waste-ink:    oklch(0.42 0.12 42);

  --save:         oklch(0.54 0.09 165);
  --save-soft:    oklch(0.93 0.035 165);
  --save-ink:     oklch(0.38 0.08 165);

  --warn:         oklch(0.72 0.13 75);
  --warn-soft:    oklch(0.95 0.05 75);
  --warn-ink:     oklch(0.42 0.10 75);

  --font-display: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-serif:   "Instrument Serif", ui-serif, Georgia, serif;
  --font-numeric: "DM Serif Display", "Instrument Serif", ui-serif, Georgia, serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  /* Scala +2 rispetto all'originale (richiesta leggibilità: tutto più grande). */
  --text-2xs: 12.5px; --text-xs: 14px; --text-sm: 15px; --text-md: 16px;
  --text-lg: 18px; --text-xl: 22px; --text-2xl: 28px; --text-3xl: 36px; --text-4xl: 48px;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;

  --radius-sm: 5px; --radius: 9px; --radius-lg: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.18s;

  --row-h: 44px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-md); line-height: 1.55;
  font-feature-settings: "ss01","ss02","cv11","tnum";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
.serif { font-family: var(--font-serif); font-weight: 400; font-style: italic; letter-spacing: -0.01em; }
.mono { font-family: var(--font-mono); }
.num { font-family: var(--font-numeric); font-weight: 400; letter-spacing: -0.015em; }
.label { font-family: var(--font-mono); font-size: var(--text-2xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-mute); font-weight: 500; }
.eyebrow { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-mute); font-weight: 500; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-mute); }

/* App shell — fixed, no body scroll */
.app { position: fixed; inset: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); }

/* ===== Buttons (one system) ===== */
.btn {
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm);
  border: 1px solid var(--line); background: var(--bg-elev); color: var(--ink);
  padding: 8px 14px; border-radius: var(--radius-sm); cursor: pointer;
  transition: all var(--dur) var(--ease);
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
.btn:hover { border-color: var(--ink-soft); background: var(--bg-sunken); }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn--primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn--primary:hover { background: var(--primary-ink); border-color: var(--primary-ink); }
.btn--ink { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn--ink:hover { background: var(--ink-soft); border-color: var(--ink-soft); }
.btn--ghost { background: transparent; border-color: transparent; }
.btn--ghost:hover { background: var(--bg-sunken); border-color: var(--line); }
.btn--sm { font-size: var(--text-xs); padding: 5px 10px; }
.btn--lg { font-size: var(--text-md); padding: 11px 18px; }

.kbd { font-family: var(--font-mono); font-size: 10px; background: var(--bg-sunken); color: var(--ink-mute); padding: 1px 5px; border-radius: 3px; border: 1px solid var(--line); }

/* Tags */
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 999px; background: var(--bg-sunken); color: var(--ink-soft);
  border: 1px solid var(--line); font-weight: 500; white-space: nowrap;
}
.tag--primary { background: var(--primary-soft); color: var(--primary-ink); border-color: color-mix(in oklch, var(--primary), transparent 70%); }
.tag--waste { background: var(--waste-soft); color: var(--waste-ink); border-color: color-mix(in oklch, var(--waste), transparent 70%); }
.tag--save { background: var(--save-soft); color: var(--save-ink); border-color: color-mix(in oklch, var(--save), transparent 70%); }
.tag--warn { background: var(--warn-soft); color: var(--warn-ink); border-color: color-mix(in oklch, var(--warn), transparent 70%); }

/* ===== TopBar ===== */
.topbar {
  flex-shrink: 0;
  display: flex; align-items: center; gap: var(--space-5);
  padding: 0 var(--space-5); height: 52px;
  background: var(--bg-elev); border-bottom: 1px solid var(--line);
}
.topbar__brand { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.topbar__mark { width: 24px; height: 24px; border-radius: 7px; background: var(--primary); position: relative; flex-shrink: 0; }
.topbar__mark::after { content: ""; position: absolute; inset: 6px 6px 6px 11px; border-radius: 2px; background: white; opacity: 0.9; }
.topbar__brand-name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-md); line-height: 1; }
.topbar__brand-sub { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin-top: 2px; }
.topbar__nav { display: flex; gap: 2px; }
.topbar__nav a {
  font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500;
  color: var(--ink-mute); text-decoration: none; padding: 6px 12px; border-radius: var(--radius-sm);
  transition: all var(--dur) var(--ease);
}
.topbar__nav a:hover { background: var(--bg-sunken); color: var(--ink); }
.topbar__nav a.is-active { color: var(--ink); background: var(--bg-sunken); }
.topbar__spacer { flex: 1; }

/* Mode toggle (guidata/esperto) */
.modetoggle { display: flex; background: var(--bg-sunken); border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 2px; }
.modetoggle button {
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: 500;
  border: 0; background: transparent; color: var(--ink-mute); padding: 4px 12px; border-radius: 999px;
  cursor: pointer; transition: all var(--dur) var(--ease); display: inline-flex; align-items: center; gap: 5px;
}
.modetoggle button.is-active { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }

/* ===== ProcessHeader (milestones) ===== */
.phead {
  flex-shrink: 0; display: flex; align-items: center; gap: var(--space-5);
  padding: 10px var(--space-5); background: var(--bg-elev); border-bottom: 1px solid var(--line);
}
.phead__title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.phead__back { color: var(--ink-mute); display: inline-flex; cursor: pointer; }
.phead__back:hover { color: var(--ink); }
.phead__name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.phead__client { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--ink-mute); letter-spacing: 0.04em; }
.phead__client .swatch { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.milestones { display: flex; align-items: center; gap: 2px; margin-left: auto; background: var(--bg-sunken); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.milestone {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: 500;
  padding: 5px 12px; border-radius: 999px; border: 0; background: transparent;
  color: var(--ink-mute); cursor: pointer; transition: all var(--dur) var(--ease); white-space: nowrap;
}
.milestone:hover:not(.is-current) { background: var(--bg-elev); color: var(--ink); }
.milestone.is-current { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.milestone.is-ready { color: var(--save-ink); }
.milestone__dot { width: 16px; height: 16px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.milestone__dot--done { background: var(--save); color: white; }
.milestone__dot--prog { background: var(--primary); position: relative; }
.milestone__dot--prog::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: white; }
/* GIALLO — fase iniziata ma con dati mancanti (non bloccante). */
.milestone__dot--warn { background: #e0a116; position: relative; }
.milestone__dot--warn::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: white; }
.milestone__dot--readyd { background: var(--save); position: relative; animation: ms-rpulse 1.8s ease-in-out infinite; }
.milestone__dot--readyd::after { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: white; }
.milestone__dot--todo { border: 1.5px solid var(--line-strong); }
@keyframes ms-rpulse { 0%,100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--save), transparent 35%); } 50% { box-shadow: 0 0 0 5px color-mix(in oklch, var(--save), transparent 92%); } }
@media (prefers-reduced-motion: reduce) { .milestone__dot--readyd { animation: none; } }

/* ===== Sub-toolbar ===== */
.subbar {
  flex-shrink: 0; display: flex; align-items: center; gap: var(--space-3);
  padding: 9px var(--space-5); background: var(--bg-elev); border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.seg { display: flex; background: var(--bg-sunken); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 2px; gap: 2px; }
.seg button {
  border: 0; background: transparent; font-family: var(--font-display); font-size: var(--text-xs); font-weight: 500;
  color: var(--ink-mute); padding: 5px 10px; border-radius: 4px; cursor: pointer; display: inline-flex; align-items: center; gap: 5px;
  transition: all var(--dur) var(--ease);
}
.seg button.is-active { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.subbar__spacer { flex: 1; }

/* ===== Split layout ===== */
.split { flex: 1; display: grid; grid-template-columns: minmax(360px, 30%) 1fr; min-height: 0; overflow: hidden; }
.split__chat { border-right: 1px solid var(--line); background: var(--bg-elev); display: flex; flex-direction: column; min-height: 0; }
.split__canvas { display: flex; flex-direction: column; min-height: 0; overflow: hidden; background: var(--bg); }

/* ===== Chat ===== */
.chat__head { flex-shrink: 0; padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--bg-sunken); display: flex; align-items: center; gap: 11px; }
.chat__avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-ink)); color: white; display: flex; align-items: center; justify-content: center; font-family: var(--font-serif); font-size: 19px; flex-shrink: 0; }
.chat__who { display: flex; align-items: center; gap: 8px; }
.chat__who h4 { font-size: var(--text-sm); }
.chat__status { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--save-ink); }
.chat__status .pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--save); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(1.35); } }
.chat__sub { font-family: var(--font-mono); font-size: var(--text-2xs); color: var(--ink-mute); letter-spacing: 0.04em; margin-top: 2px; }

.chat__body { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; min-height: 0; }
.msg { display: flex; flex-direction: column; gap: 4px; max-width: 92%; }
.msg--user { align-self: flex-end; align-items: flex-end; }
.msg__who { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); }
.msg__bubble { padding: 11px 14px; border-radius: 13px; font-size: var(--text-sm); line-height: 1.55; background: var(--bg-sunken); border: 1px solid var(--line); }
.msg--user .msg__bubble { background: var(--primary-soft); color: var(--primary-ink); border-color: color-mix(in oklch, var(--primary), transparent 70%); }
.msg__tool { margin-top: 5px; font-family: var(--font-mono); font-size: 11px; color: var(--save-ink); display: inline-flex; align-items: center; gap: 6px; }

.chat__chips { flex-shrink: 0; padding: 10px 16px; border-top: 1px dashed var(--line); display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.chat__chips .label { flex-shrink: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 10.5px;
  padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-elev);
  color: var(--ink-soft); cursor: pointer; transition: all var(--dur) var(--ease); max-width: 260px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chip:hover { border-color: var(--primary); color: var(--primary-ink); background: var(--primary-soft); }
.chip .chip__dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
/* SP47-3 — toggle "+N altre / − meno" per i suggerimenti collassati */
.chip--more { border-style: dashed; color: var(--ink-mute); background: transparent; }

.chat__input { flex-shrink: 0; padding: 14px 16px; border-top: 1px solid var(--line); background: var(--bg-sunken); display: flex; gap: 8px; align-items: center; }
.chat__input input { flex: 1; padding: 11px 14px; font-size: var(--text-sm); border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-elev); color: var(--ink); font-family: inherit; outline: none; transition: border var(--dur); }
.chat__input input:focus { border-color: var(--primary); }

/* Toast */
.toaststack { position: absolute; top: 14px; right: 14px; display: flex; flex-direction: column; gap: 6px; z-index: 50; pointer-events: none; }
.toast { padding: 8px 12px; background: var(--save-soft); border: 1px solid var(--save); border-radius: 8px; font-size: var(--text-xs); color: var(--save-ink); font-weight: 500; box-shadow: 0 4px 14px -4px color-mix(in oklch, var(--ink), transparent 80%); display: inline-flex; align-items: center; gap: 7px; animation: toastIn 0.25s var(--ease); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Canvas scroll region ===== */
.canvas-scroll { flex: 1; overflow-y: auto; padding: var(--space-5); min-height: 0; }
.canvas-head { display: flex; align-items: center; gap: 10px; margin-bottom: var(--space-4); }

/* ===== KPI panel — number + meaning + CTA (§10.1) ===== */
/* Card KPI compatte: più piccole così il grafico sotto entra prima in viewport,
   soprattutto su schermi piccoli (la mappa/grafico è la parte più importante). */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--space-2); margin-bottom: var(--space-4); }
.kpi {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; display: flex; flex-direction: column; gap: 4px; position: relative; overflow: hidden;
}
.kpi__top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.kpi__label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); display: inline-flex; align-items: center; gap: 5px; }
.kpi__value { font-family: var(--font-numeric); font-size: 24px; line-height: 0.95; letter-spacing: -0.02em; color: var(--ink); }
.kpi__value .u { font-family: var(--font-display); font-size: 13px; color: var(--ink-mute); margin-left: 3px; }
.kpi__meaning { font-size: var(--text-xs); color: var(--ink-soft); line-height: 1.45; }
.kpi__meaning b { color: var(--ink); font-weight: 600; }
.kpi__cta { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 500; color: var(--primary-ink); background: transparent; border: 0; padding: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; margin-top: 2px; }
.kpi__cta:hover { text-decoration: underline; text-underline-offset: 2px; }
.kpi--accent { border-color: color-mix(in oklch, var(--primary), transparent 65%); background: color-mix(in oklch, var(--primary-soft), var(--bg-elev) 55%); }
.kpi--waste .kpi__value { color: var(--waste-ink); }
.kpi--save .kpi__value { color: var(--save-ink); }
.kpi__spark { position: absolute; right: 14px; bottom: 12px; opacity: 0.5; color: var(--ink-faint); }

.help-dot { display: inline-flex; align-items: center; justify-content: center; width: 15px; height: 15px; border-radius: 50%; border: 1px solid var(--line); color: var(--ink-mute); cursor: help; }
.help-dot:hover { background: var(--primary-soft); color: var(--primary-ink); border-color: var(--primary); }
.advanced-only { display: none; }
[data-user-mode="expert"] .advanced-only { display: revert; }
[data-user-mode="expert"] .guided-only { display: none; }

/* ===== Swimlane (BPMN) ===== */
.swimcard { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--bg-elev); overflow: hidden; }
.swim-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--bg-sunken); flex-wrap: wrap; }
.swim-bar h3 { font-size: var(--text-sm); }
.swim-area { overflow-x: auto; background: linear-gradient(var(--bg-sunken) 1px, transparent 1px) 0 0 / 100% 28px, var(--bg-elev); position: relative; }
.swim-canvas { position: relative; min-width: max-content; }
.swim-lanes { position: sticky; left: 0; top: 0; z-index: 4; pointer-events: none; }
.swim-lane-label { position: absolute; left: 10px; right: 10px; display: flex; flex-direction: column; justify-content: center; background: var(--bg-elev); border-right: 1px solid var(--line); padding: 0 12px 0 4px; text-align: right; pointer-events: auto; }
.swim-lane-name { font-weight: 600; font-size: var(--text-sm); }
.swim-lane-sub { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-mute); letter-spacing: 0.04em; margin-top: 2px; }
.swim-grid { position: absolute; top: 0; }
.swim-lane-row { position: absolute; left: 0; right: 0; border-bottom: 1px dashed color-mix(in oklch, var(--line), transparent 45%); }
.swim-lane-row:first-child { border-top: 1px dashed color-mix(in oklch, var(--line), transparent 45%); }
.swim-arrows { position: absolute; left: 0; top: 0; pointer-events: none; z-index: 1; }
.swim-wait { position: absolute; z-index: 3; font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-mute); background: var(--bg-elev); padding: 2px 6px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; line-height: 1; }
.swim-wait.is-slow { color: var(--waste-ink); background: var(--waste-soft); border-color: color-mix(in oklch, var(--waste), transparent 60%); }

.node { position: absolute; cursor: pointer; z-index: 2; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); display: flex; align-items: center; justify-content: center; }
.node:hover { transform: translateY(-2px); z-index: 6; }
.node--rect { background: var(--bg-elev); border: 1.5px solid var(--ink-soft); border-radius: 9px; padding: 8px 11px; flex-direction: column; align-items: stretch; gap: 3px; overflow: hidden; }
.node--rect:hover { box-shadow: 0 10px 24px -8px color-mix(in oklch, var(--ink), transparent 78%); border-color: var(--ink); }
.node--waste { border-color: var(--waste); background: color-mix(in oklch, var(--waste-soft), var(--bg-elev) 55%); }
.node--gap { border-color: var(--warn); background: color-mix(in oklch, var(--warn-soft), var(--bg-elev) 55%); }
.node .code { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-mute); letter-spacing: 0.05em; }
.node .title { font-size: var(--text-xs); font-weight: 500; line-height: 1.2; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.node .meta { font-family: var(--font-mono); font-size: 9.5px; color: var(--ink-mute); display: flex; gap: 5px; align-items: center; }
.node--circle { background: var(--bg-elev); border-radius: 50%; }
.node--start { border: 2px solid var(--save); }
.node--end { border: 3px solid var(--ink); }
.node--circle .cdot { width: 12px; height: 12px; border-radius: 50%; }
.node--start .cdot { background: var(--save); }
.node--end .cdot { background: var(--ink); }
.node--rhombus { background: transparent; }
.node--rhombus::before { content: ""; position: absolute; inset: 0; background: var(--primary-soft); border: 2px solid var(--primary); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.node--rhombus .rx { position: relative; z-index: 1; font-family: var(--font-display); font-size: 18px; color: var(--primary-ink); }
.node--bn { box-shadow: 0 0 0 2px var(--waste), 0 0 0 5px color-mix(in oklch, var(--waste), transparent 86%); }
.node--circle.node--bn { box-shadow: none; outline: 3px solid color-mix(in oklch, var(--waste), transparent 50%); outline-offset: 2px; }
.node__flag { position: absolute; top: -8px; right: -8px; width: 20px; height: 20px; background: var(--waste); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 6px -2px color-mix(in oklch, var(--waste), transparent 50%); z-index: 7; }
.node-label { position: absolute; text-align: center; pointer-events: none; z-index: 2; }
.node-label .t { font-size: var(--text-xs); font-weight: 500; line-height: 1.2; }
.node-label .c { font-family: var(--font-mono); font-size: 9px; color: var(--ink-mute); letter-spacing: 0.05em; margin-top: 1px; }
.node .heat0 {} /* none */

/* Heat tints */
.node.heat-1 { background: color-mix(in oklch, var(--waste-soft), var(--bg-elev) 82%); }
.node.heat-2 { background: color-mix(in oklch, var(--waste-soft), var(--bg-elev) 62%); }
.node.heat-3 { background: color-mix(in oklch, var(--waste-soft), var(--bg-elev) 35%); border-color: var(--waste); }
.node.heat-4 { background: color-mix(in oklch, var(--waste), var(--bg-elev) 62%); border-color: var(--waste); }

/* Always-on legend */
.swim-legend { display: flex; flex-wrap: wrap; gap: 12px 18px; padding: 10px 16px; border-top: 1px solid var(--line); background: var(--bg-elev); font-size: var(--text-xs); color: var(--ink-soft); }
.swim-legend__item { display: flex; align-items: center; gap: 7px; }
.lg { display: inline-block; flex-shrink: 0; }
.lg--circle { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--save); }
.lg--end { width: 14px; height: 14px; border-radius: 50%; border: 3px solid var(--ink); }
.lg--rhombus { width: 14px; height: 14px; background: var(--primary-soft); border: 2px solid var(--primary); clip-path: polygon(50% 0,100% 50%,50% 100%,0 50%); }
.lg--rect { width: 20px; height: 13px; border: 1.5px solid var(--ink-soft); border-radius: 3px; }
.lg--waste { width: 20px; height: 13px; border: 1.5px solid var(--waste); border-radius: 3px; background: var(--waste-soft); }
.lg--gap { width: 20px; height: 13px; border: 1.5px solid var(--warn); border-radius: 3px; background: var(--warn-soft); }
.lg--bn { width: 20px; height: 13px; border: 1.5px solid var(--ink-soft); border-radius: 3px; box-shadow: 0 0 0 1.5px var(--waste); }

/* "Perché è un collo" callout */
.why { display: flex; gap: 10px; padding: 12px 14px; margin-top: var(--space-4); border: 1px solid color-mix(in oklch, var(--waste), transparent 65%); background: color-mix(in oklch, var(--waste-soft), var(--bg-elev) 50%); border-radius: var(--radius); }
.why__icn { color: var(--waste-ink); flex-shrink: 0; }
.why__body { font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.5; }
.why__body b { color: var(--waste-ink); }

/* Stima vs Misurato chips */
.proof { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; }
.proof--est { background: var(--warn-soft); color: var(--warn-ink); border: 1px dashed var(--warn); }
.proof--meas { background: var(--save-soft); color: var(--save-ink); border: 1px solid var(--save); }

/* SP43 — lens-tag: micro-badge che marca la LENTE di una cella KPI in Esperto.
   LITE (Lite Stream Mapping, tempi/flusso) vs Valore (analisi del valore, VSM).
   Aiuta l'esperto a capire che sono due ottiche sullo stesso processo. */
.lens-tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: 8.5px; letter-spacing: 0.08em;
  text-transform: uppercase; line-height: 1;
  padding: 2px 5px; border-radius: 4px; margin-left: 6px;
  background: var(--bg-sunken); color: var(--ink-mute); border: 1px solid var(--line);
  cursor: help; flex-shrink: 0;
}
.lens-tag--value { background: var(--save-soft); color: var(--save-ink); border-color: var(--save); }

/* SP-STIMA — Badge "(stima)" inline accanto ai valori di step stimati a voce.
   Più leggero dei .proof (sta in celle tabella e nodi swimlane). */
.est-badge {
  display: inline-flex; align-items: center;
  margin-left: 5px;
  padding: 0 5px;
  font-family: var(--font-mono);
  font-size: 9.5px; line-height: 1.5;
  letter-spacing: 0.04em; text-transform: lowercase;
  color: var(--warn-ink);
  background: var(--warn-soft);
  border: 1px dashed var(--warn);
  border-radius: 999px;
  white-space: nowrap; vertical-align: middle;
}
.est-badge::before { content: "~"; margin-right: 2px; opacity: 0.7; }
.est-badge--mini { margin-left: 3px; padding: 0 3px; font-size: 8.5px; }

/* Next-step bar (single, obvious) */
.nextstep { margin-top: var(--space-5); border: 1px solid color-mix(in oklch, var(--save), transparent 55%); background: color-mix(in oklch, var(--save-soft), var(--bg-elev) 50%); border-radius: var(--radius-lg); padding: 18px 20px; display: flex; align-items: center; gap: 16px; }
.nextstep__icn { width: 42px; height: 42px; border-radius: 11px; background: var(--save); color: white; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.nextstep__body { flex: 1; min-width: 0; }
.nextstep__body h4 { font-size: var(--text-md); margin-bottom: 2px; }
.nextstep__body p { font-size: var(--text-sm); color: var(--ink-soft); margin: 0; }

/* Completeness meter */
.compl { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); margin-bottom: var(--space-4); }
.compl__ring { width: 44px; height: 44px; flex-shrink: 0; }
.compl__body { flex: 1; min-width: 0; }
.compl__body h4 { font-size: var(--text-sm); margin-bottom: 2px; }
.compl__body p { font-size: var(--text-xs); color: var(--ink-soft); margin: 0; }
.compl__bar { height: 6px; border-radius: 3px; background: var(--bg-sunken); overflow: hidden; margin-top: 6px; }
.compl__fill { height: 100%; background: var(--primary); border-radius: 3px; transition: width 0.4s var(--ease); }

/* Drawer */
.scrim { position: fixed; inset: 0; z-index: 200; background: color-mix(in oklch, var(--bg-deep), transparent 50%); backdrop-filter: blur(2px); animation: fade var(--dur) var(--ease); }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(460px, 94vw); background: var(--bg-elev); border-left: 1px solid var(--line); box-shadow: -24px 0 60px -24px rgba(0,0,0,0.22); z-index: 210; display: flex; flex-direction: column; animation: slideIn 0.22s var(--ease); }
@keyframes slideIn { from { transform: translateX(24px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.drawer__head { padding: 18px 20px 14px; border-bottom: 1px solid var(--line); display: flex; align-items: flex-start; gap: 12px; }
.drawer__head h3 { font-size: var(--text-lg); flex: 1; line-height: 1.3; }
.drawer__body { flex: 1; overflow-y: auto; padding: 18px 20px; display: flex; flex-direction: column; gap: 16px; }
.drawer__field label { display: block; margin-bottom: 6px; }
.input { width: 100%; padding: 8px 11px; font-size: var(--text-sm); border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-elev); color: var(--ink); font-family: inherit; outline: none; }
.input:focus { border-color: var(--primary); }
.times3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 12px; background: var(--bg-sunken); border-radius: var(--radius-sm); border: 1px solid var(--line); }
.times3 > div { display: flex; flex-direction: column; gap: 3px; }
.times3 .num { font-size: 20px; }
.ai-note { border-left: 3px solid var(--primary); background: color-mix(in oklch, var(--primary-soft), var(--bg-elev) 55%); padding: 12px 14px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: var(--text-sm); }
.ai-note__h { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary-ink); margin-bottom: 6px; display: flex; gap: 6px; align-items: center; }

/* Glossary popover */
.glosspop { position: fixed; z-index: 300; max-width: 280px; background: var(--ink); color: var(--ink-onDark); border-radius: var(--radius); padding: 12px 14px; box-shadow: 0 12px 30px -8px rgba(0,0,0,0.3); font-size: var(--text-xs); line-height: 1.5; animation: fade var(--dur) var(--ease); }
.glosspop h5 { color: white; font-size: var(--text-sm); margin-bottom: 4px; text-transform: none; letter-spacing: 0; }
.glosspop .ex { color: var(--ink-faint); margin-top: 6px; font-style: italic; }

/* Mobile */
.mobile-tabs { display: none; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split__chat { display: none; }
  .split.show-chat .split__chat { display: flex; }
  .split.show-chat .split__canvas { display: none; }
  .mobile-tabs { display: flex; flex-shrink: 0; border-bottom: 1px solid var(--line); background: var(--bg-elev); }
  .mobile-tabs button { flex: 1; border: 0; background: transparent; padding: 11px; font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); color: var(--ink-mute); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
  .mobile-tabs button.is-active { color: var(--ink); box-shadow: inset 0 -2px 0 var(--primary); }
  .milestones { order: 3; width: 100%; margin-left: 0; overflow-x: auto; }
  .phead { flex-wrap: wrap; }
}