/* ArcERP — sistema di base condiviso da tutte le pagine.
   Direzione: il registro contabile — inchiostro su carta, timbri ufficiali.
   Niente crema+terracotta da "design AI generico": blu inchiostro profondo,
   carta calda, un rosso da timbro usato solo dove serve davvero attenzione. */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #1C2B39;
  --ink-soft: #3D4E5C;
  --paper: #F6F4EF;
  --surface: #FFFFFF;
  --rule: #DEDACD;
  --rule-strong: #C7C2B2;
  --muted: #726F63;

  --stamp-red: #A83F2B;
  --stamp-red-bg: #F5E4DF;
  --verified: #2E6B57;
  --verified-bg: #E1EBE6;
  --gold: #93701F;
  --gold-bg: #F2E8D5;

  --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;

  --radius: 6px;
  --shadow-card: 0 1px 2px rgba(28, 43, 57, 0.06), 0 1px 1px rgba(28, 43, 57, 0.04);
  --sidebar-w: 220px;
  --topbar-h: 58px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-sans); font-weight: 700; color: var(--ink); margin: 0 0 4px; letter-spacing: -0.01em; }
h1 { font-size: 22px; }
h2 { font-size: 15px; font-weight: 600; }
p { margin: 0 0 8px; }
a { color: var(--ink); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; } }

/* --- Shell: sidebar + main --- */
.arc-shell { display: flex; min-height: 100vh; }
.arc-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--ink);
  color: #E9E5D9;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
}
.arc-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(233, 229, 217, 0.14);
}
.arc-brand-logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: 44px;
  object-fit: contain;
  object-position: left center;
}
.arc-sidebar-toggle {
  flex-shrink: 0; background: none; border: 1px solid rgba(233, 229, 217, 0.25);
  color: rgba(233, 229, 217, 0.8); border-radius: var(--radius); cursor: pointer;
  width: 26px; height: 26px; font-size: 13px; line-height: 1; padding: 0;
}
.arc-sidebar-toggle:hover { background: rgba(233, 229, 217, 0.1); color: #fff; }
/* Sidebar richiusa: larghezza a zero, il contenuto principale recupera
   tutto lo spazio. La scheda per riaprirla resta fissa al bordo dello
   schermo, sempre visibile — altrimenti, una volta chiusa, non ci
   sarebbe più modo di farla ricomparire. */
.arc-sidebar-riapri {
  display: none; position: fixed; top: 50%; transform: translateY(-50%);
  z-index: 15; background: var(--ink); color: rgba(233, 229, 217, 0.8);
  border: 1px solid rgba(233, 229, 217, 0.25); cursor: pointer;
  width: 20px; height: 52px; font-size: 12px; padding: 0;
}
.arc-shell.arc-sidebar-collassata .arc-sidebar { width: 0; padding: 0; overflow: hidden; border: none; }
.arc-shell.arc-sidebar-collassata .arc-main { margin-left: 0; }
.arc-shell.arc-sidebar-collassata .arc-sidebar-riapri { display: block; left: 0; border-radius: 0 4px 4px 0; }
.arc-shell[data-menu="destra"].arc-sidebar-collassata .arc-main { margin-left: 0; margin-right: 0; }
.arc-shell[data-menu="destra"].arc-sidebar-collassata .arc-sidebar-riapri { left: auto; right: 0; border-radius: 4px 0 0 4px; }
@media (max-width: 860px) {
  /* Su mobile la sidebar è già un cassetto a scomparsa (vedi sotto): il
     collassamento desktop non si applica, sarebbe un secondo meccanismo
     sopra quello mobile che già risolve lo stesso problema di spazio. */
  .arc-shell.arc-sidebar-collassata .arc-sidebar { width: var(--sidebar-w); padding: inherit; overflow: visible; }
  .arc-sidebar-riapri { display: none !important; }
}
.arc-nav { flex: 1; padding: 10px 8px; overflow-y: auto; }
.arc-nav-group { margin-bottom: 4px; }
.arc-nav-group-header {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  background: none; border: none; cursor: pointer; text-align: left;
  font-family: var(--font-sans); font-size: 13.5px; font-weight: 600;
  color: rgba(233, 229, 217, 0.92);
  padding: 9px 10px; border-radius: var(--radius);
}
.arc-nav-group-header:hover { background: rgba(233, 229, 217, 0.08); }
.arc-nav-group-label { flex: 1; }
.arc-nav-group-chevron {
  font-size: 10px; color: rgba(233, 229, 217, 0.5); transition: transform 0.15s;
  transform: rotate(90deg); flex-shrink: 0; margin-left: 6px;
}
.arc-nav-group.arc-collassato .arc-nav-group-chevron { transform: rotate(0deg); }
.arc-nav-group-links { padding: 2px 0 6px; }
.arc-nav-group.arc-collassato .arc-nav-group-links { display: none; }
.arc-nav a {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px 7px 20px;
  border-radius: var(--radius);
  color: rgba(233, 229, 217, 0.82);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 1px;
}
.arc-nav a:hover { background: rgba(233, 229, 217, 0.08); color: #fff; }
.arc-nav a.active { background: rgba(233, 229, 217, 0.14); color: #fff; font-weight: 500; }
.arc-nav-link-label { flex: 1; min-width: 0; }

/* Riordino del menu — le maniglie restano invisibili e la navigazione
   normale finché non si attiva la modalità apposta, per non intralciare
   l'uso quotidiano del menu con elementi che nella grande maggioranza
   delle sessioni non servono a nessuno. */
.arc-nav-toolbar { padding: 0 8px 6px; }
.arc-nav-riordina-btn {
  width: 100%; background: none; border: 1px dashed rgba(233, 229, 217, 0.25); cursor: pointer;
  color: rgba(233, 229, 217, 0.65); font-family: var(--font-sans); font-size: 11.5px;
  padding: 6px 8px; border-radius: var(--radius); text-align: center;
}
.arc-nav-riordina-btn:hover { color: #fff; border-color: rgba(233, 229, 217, 0.5); }
.arc-nav-riordina-btn.attivo { background: rgba(233, 229, 217, 0.14); color: #fff; border-style: solid; border-color: transparent; }
.arc-nav-drag-handle {
  display: none; flex-shrink: 0; cursor: grab; color: rgba(233, 229, 217, 0.75);
  font-size: 15px; line-height: 1; letter-spacing: -2px; padding: 10px 8px;
  margin: -10px -4px -10px -8px; /* il bersaglio del tocco è più grande del segno visibile, senza spostare il resto della riga */
  border-radius: var(--radius); touch-action: none; /* fondamentale sul tocco: impedisce alla pagina di scorrere mentre si trascina con il dito */
  -webkit-user-select: none; user-select: none;
}
.arc-nav-drag-handle:hover, .arc-nav-drag-handle:active { color: #fff; background: rgba(233, 229, 217, 0.14); }
.arc-modalita-riordino .arc-nav-drag-handle { display: inline-block; }
.arc-modalita-riordino .arc-nav-group-header { cursor: default; }
.arc-modalita-riordino .arc-nav-group.arc-collassato .arc-nav-group-links { display: block; }
.arc-modalita-riordino .arc-nav-group.arc-collassato .arc-nav-group-chevron { opacity: 0.3; }
/* Il "fantasma" che segue il dito o il cursore durante il trascinamento —
   pointer-events:none è essenziale: senza, sarebbe lui stesso a essere
   rilevato come bersaglio sotto il puntatore invece dell'elemento vero
   che sta sotto. */
.arc-drag-ghost {
  position: fixed; z-index: 999; pointer-events: none; opacity: 0.95;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35); border-radius: var(--radius);
  background: var(--ink, #1C2B39);
}
.arc-nav-group.arc-drag-over-sopra { box-shadow: inset 0 2px 0 var(--gold, #C9A961); }
.arc-nav-group.arc-drag-over-sotto { box-shadow: inset 0 -2px 0 var(--gold, #C9A961); }
.arc-nav a.arc-drag-over-sopra { box-shadow: inset 0 2px 0 var(--gold, #C9A961); }
.arc-nav a.arc-drag-over-sotto { box-shadow: inset 0 -2px 0 var(--gold, #C9A961); }
.arc-nav-group.arc-in-trascinamento, .arc-nav a.arc-in-trascinamento { opacity: 0.35; }
.arc-user {
  padding: 14px 18px;
  border-top: 1px solid rgba(233, 229, 217, 0.14);
  font-size: 12.5px;
}
.arc-user .name { color: #fff; font-weight: 500; display: block; }
.arc-user .role { color: rgba(233, 229, 217, 0.55); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.arc-user button {
  margin-top: 8px;
  background: none;
  border: 1px solid rgba(233, 229, 217, 0.25);
  color: rgba(233, 229, 217, 0.8);
  border-radius: var(--radius);
  padding: 5px 10px;
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
  width: 100%;
}
.arc-user button:hover { background: rgba(233, 229, 217, 0.1); color: #fff; }

.arc-main { margin-left: var(--sidebar-w); flex: 1; min-width: 0; }
.arc-header {
  padding: 22px 32px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 14px;
}
.arc-breadcrumb { font-family: var(--font-mono); font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 3px; }
.arc-content { padding: 26px 32px 60px; max-width: 1180px; }

/* Pulsante hamburger e sfondo del cassetto: nascosti su desktop, dove la
   sidebar è già sempre visibile fissa a sinistra. */
.arc-mobile-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 4px;
  width: 32px; height: 32px; padding: 0; flex-shrink: 0;
  background: none; border: none; cursor: pointer;
}
.arc-mobile-toggle span { display: block; width: 100%; height: 2px; background: var(--ink); border-radius: 1px; }
.arc-mobile-backdrop { display: none; }

/* Menu a destra: stessa identica sidebar, solo specchiata — il markup è lo
   stesso di quello a sinistra, cambia solo dove il CSS la posiziona. */
.arc-shell[data-menu="destra"] .arc-sidebar { left: auto; right: 0; }
.arc-shell[data-menu="destra"] .arc-main { margin-left: 0; margin-right: var(--sidebar-w); }
@media (max-width: 860px) {
  .arc-shell[data-menu="destra"] .arc-sidebar { left: auto; right: 0; transform: translateX(100%); }
  .arc-shell[data-menu="destra"] .arc-sidebar.arc-open { transform: translateX(0); box-shadow: -8px 0 24px rgba(0,0,0,0.25); }
  .arc-shell[data-menu="destra"] .arc-main { margin-right: 0; }
}

.arc-global-search { position: relative; margin-left: auto; width: 240px; flex-shrink: 0; }
.arc-global-search input {
  width: 100%; padding: 7px 12px; font-size: 13px;
  border: 1px solid var(--rule-strong); border-radius: var(--radius); background: var(--surface);
}
.arc-global-search-results {
  display: none; position: absolute; top: calc(100% + 4px); right: 0; width: 320px;
  max-height: 360px; overflow-y: auto; background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); box-shadow: 0 12px 30px rgba(28,43,57,0.18); z-index: 30;
}
.arc-global-search-results a {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--rule); font-size: 13px;
}
.arc-global-search-results a:last-child { border-bottom: none; }
.arc-global-search-results a:hover { background: rgba(28,43,57,0.04); }
.arc-search-tipo {
  font-family: var(--font-mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); background: var(--paper); border: 1px solid var(--rule); border-radius: 3px;
  padding: 2px 6px; flex-shrink: 0;
}
.arc-search-titolo { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.arc-search-empty { padding: 14px 12px; color: var(--muted); font-size: 13px; }

/* Menu in alto: struttura completamente diversa dalla sidebar — niente
   colonna laterale, una barra orizzontale con i gruppi come menu a
   tendina (click, non solo hover: gli hover non funzionano al tocco). */
.arc-shell[data-menu="alto"] { flex-direction: column; }
.arc-shell[data-menu="alto"] .arc-main { margin-left: 0; }
.arc-topbar {
  display: flex; align-items: center; gap: 4px;
  height: var(--topbar-h); flex-shrink: 0;
  background: var(--ink); color: #E9E5D9;
  padding: 0 20px;
  position: sticky; top: 0; z-index: 20;
}
.arc-topbar-brand { display: flex; align-items: center; height: 100%; padding-right: 16px; margin-right: 10px; border-right: 1px solid rgba(233,229,217,0.14); flex-shrink: 0; }
.arc-topbar-brand img { max-height: 28px; width: auto; display: block; }
.arc-topbar-nav { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; overflow-y: hidden; height: 100%; }
.arc-topbar-group-btn {
  height: 100%; padding: 0 12px; background: none; border: none; flex-shrink: 0;
  color: rgba(233,229,217,0.82); font-family: var(--font-sans); font-size: 13.5px;
  cursor: pointer; white-space: nowrap;
}
.arc-topbar-group-btn:hover { background: rgba(233,229,217,0.08); color: #fff; }
.arc-topbar-group-btn.arc-open { background: rgba(233,229,217,0.14); color: #fff; font-weight: 500; }
/* position:fixed apposta, non absolute: la tendina è renderizzata FUORI
   da .arc-topbar-nav (che scorre in orizzontale e per farlo deve tagliare
   qualunque figlio che esca anche in verticale — è quello che la faceva
   apparire schiacciata dentro la barra). Essendo fuori da quel
   contenitore, la posizione non è più relativa al bottone via CSS: la
   calcola JS al click, con getBoundingClientRect(). */
.arc-topbar-dropdown {
  display: none; position: fixed; min-width: 200px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(28,43,57,0.18); padding: 6px; z-index: 30;
}
.arc-topbar-dropdown.arc-open { display: block; }
.arc-topbar-dropdown a {
  display: block; padding: 7px 10px; border-radius: var(--radius);
  color: var(--ink); text-decoration: none; font-size: 13.5px; white-space: nowrap;
}
.arc-topbar-dropdown a:hover { background: var(--paper); }
.arc-topbar-dropdown a.active { background: var(--paper); font-weight: 600; }
.arc-topbar-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; margin-left: 12px; }
.arc-topbar-right select { font-size: 12px; padding: 4px 6px; }
.arc-topbar-user-name { font-size: 12.5px; color: #fff; white-space: nowrap; }
.arc-topbar-right .btn-topbar {
  background: none; border: 1px solid rgba(233,229,217,0.25); color: rgba(233,229,217,0.8);
  border-radius: var(--radius); padding: 5px 10px; font-size: 12px; cursor: pointer; text-decoration: none;
  font-family: var(--font-sans); white-space: nowrap;
}
.arc-topbar-right .btn-topbar:hover { background: rgba(233,229,217,0.1); color: #fff; }
@media (max-width: 860px) {
  .arc-topbar-user-name { display: none; }
  .arc-topbar { padding: 0 12px; }
}

@media (max-width: 860px) {
  /* La sidebar diventa un cassetto agganciato a sinistra, fuori schermo per
     default (transform), invece di srotolarsi come lungo elenco verticale
     sopra il contenuto — quello era il problema principale su mobile. */
  .arc-sidebar {
    position: fixed; top: 0; bottom: 0; left: 0;
    width: 260px; max-width: 82vw;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 50;
  }
  .arc-sidebar.arc-open { transform: translateX(0); box-shadow: 8px 0 24px rgba(0,0,0,0.25); }
  .arc-mobile-backdrop.arc-open {
    display: block; position: fixed; inset: 0;
    background: rgba(20, 28, 36, 0.45); z-index: 45;
  }
  .arc-main { margin-left: 0; }
  .arc-mobile-toggle { display: flex; }
  .arc-header { padding: 14px 16px; gap: 10px; flex-wrap: wrap; }
  .arc-header-titles { min-width: 0; }
  .arc-header h1 { font-size: 18px; }
  .arc-global-search { width: 100%; margin-left: 0; order: 3; }
  .arc-global-search-results { width: 100%; }
  .arc-content { padding: 16px; }

  /* Moduli: due o tre campi appaiati diventano illeggibili su schermo
     stretto — impilati invece che appaiati. */
  .field-row { flex-direction: column; gap: 0; }
  .field-row .field { margin-bottom: 14px; }

  /* Finestre modali: meno spazio sprecato sopra/sotto, scorrono se il
     contenuto è più alto dello schermo. */
  .modal-backdrop { padding: 12px; }
  .modal { padding: 18px; max-height: 92vh; overflow-y: auto; }

  /* Tabelle: più dense, restano scorrevoli in orizzontale (overflow-x:auto
     già sul contenitore) per le colonne che non ci stanno comunque. */
  table { font-size: 12.5px; }
  thead th { padding: 0 6px 6px; }
  tbody td { padding: 9px 6px; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .search { max-width: none; }
  .card { padding: 16px; }
}

/* --- Stamp badge: firma visiva del sistema, usata per ogni stato --- */
.stamp {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2.5px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border: 1.3px solid currentColor;
  border-radius: 3px;
  white-space: nowrap;
}
.stamp-verified { color: var(--verified); background: var(--verified-bg); }
.stamp-alert { color: var(--stamp-red); background: var(--stamp-red-bg); }
.stamp-pending { color: var(--gold); background: var(--gold-bg); }
.stamp-neutral { color: var(--muted); background: #EDEAE1; }

/* --- Card --- */
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px 22px;
  margin-bottom: 18px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }

/* --- Buttons --- */
.btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 15px;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1.2;
}
.btn:hover { border-color: var(--ink-soft); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--ink-soft); border-color: var(--ink-soft); }
.btn-danger { color: var(--stamp-red); border-color: var(--stamp-red); background: var(--stamp-red-bg); }
.btn-danger:hover { background: var(--stamp-red); border-color: var(--stamp-red); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* --- Forms --- */
label { display: block; font-size: 12.5px; font-weight: 500; color: var(--ink-soft); margin-bottom: 4px; }
input, select, textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 13.5px;
  padding: 8px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
input.mono, .num-input { font-family: var(--font-mono); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(28,43,57,0.08); }
.field { margin-bottom: 14px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.error-text { font-size: 12.5px; color: var(--stamp-red); margin-top: 4px; }

/* --- Table --- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  padding: 0 10px 8px;
  border-bottom: 1.5px solid var(--rule-strong);
}
tbody td { padding: 11px 10px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
tbody tr:hover { background: rgba(28, 43, 57, 0.025); }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.empty-state { padding: 40px 20px; text-align: center; color: var(--muted); }
.empty-state .big { font-family: var(--font-mono); font-size: 28px; color: var(--rule-strong); margin-bottom: 6px; }

/* --- Toolbar --- */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .search { max-width: 280px; }

/* --- Modal --- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(28, 43, 57, 0.35);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 60px 20px; overflow-y: auto; z-index: 50;
}
.modal {
  background: var(--surface); border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(28,43,57,0.25);
  width: 100%; max-width: 480px; padding: 24px;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal-close { background: none; border: none; font-size: 20px; color: var(--muted); cursor: pointer; line-height: 1; padding: 4px; }

/* --- Toast --- */
#arc-toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: var(--radius);
  font-size: 13px; box-shadow: 0 8px 24px rgba(28,43,57,0.3); z-index: 100;
  opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s;
}
#arc-toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }
#arc-toast.err { background: var(--stamp-red); }

/* --- Stat tiles (dashboard) --- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-tile { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 16px 18px; }
.stat-tile .label { font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 6px; }
.stat-tile .value { font-family: var(--font-mono); font-size: 26px; font-weight: 600; color: var(--ink); }
.stat-tile .value.alert { color: var(--stamp-red); }
.stat-grid > a { text-decoration: none; color: inherit; display: block; }

/* Assistente virtuale — widget fisso, richiamabile da ogni pagina */
.arc-assistente-widget { position: fixed; bottom: 20px; right: 20px; z-index: 500; }
.arc-assistente-toggle {
  width: 52px; height: 52px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--ink); color: #fff; font-size: 22px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25); display: flex; align-items: center; justify-content: center;
}
.arc-assistente-toggle:hover { background: var(--gold); }
.arc-assistente-pannello {
  position: absolute; bottom: 64px; right: 0; width: 340px; max-width: calc(100vw - 40px);
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,0.22); display: flex; flex-direction: column; overflow: hidden;
}
.arc-assistente-header {
  background: var(--ink); color: #fff; padding: 12px 14px; display: flex; justify-content: space-between;
  align-items: center; font-weight: 600; font-size: 13.5px;
}
.arc-assistente-chiudi { background: none; border: none; color: #fff; font-size: 18px; cursor: pointer; line-height: 1; opacity: 0.75; }
.arc-assistente-chiudi:hover { opacity: 1; }
.arc-assistente-messaggi { padding: 14px; overflow-y: auto; max-height: 360px; min-height: 120px; display: flex; flex-direction: column; gap: 10px; }
.arc-msg { max-width: 85%; padding: 8px 11px; border-radius: 10px; font-size: 13px; line-height: 1.45; white-space: pre-wrap; }
.arc-msg-utente { align-self: flex-end; background: var(--ink); color: #fff; border-bottom-right-radius: 2px; }
.arc-msg-assistente { align-self: flex-start; background: var(--paper); color: var(--ink); border-bottom-left-radius: 2px; }
.arc-msg-attesa { align-self: flex-start; color: var(--muted); font-size: 12.5px; font-style: italic; }
.arc-assistente-form { display: flex; gap: 6px; padding: 10px; border-top: 1px solid var(--rule); }
.arc-assistente-form input { flex: 1; font-size: 13px; padding: 8px 10px; border: 1px solid var(--rule); border-radius: var(--radius); }
.arc-assistente-form button { padding: 8px 12px; background: var(--ink); color: #fff; border: none; border-radius: var(--radius); cursor: pointer; font-size: 13px; }
.arc-assistente-form button:disabled { opacity: 0.5; cursor: default; }
.arc-msg-fonte { margin-top: 4px; font-size: 10.5px; font-weight: 600; opacity: 0.75; }
.arc-fonte-diretta { color: var(--verified, #2E6B57); }
.arc-fonte-ia { color: var(--muted, #726F63); }