/* ==========================================================================
   ist — Design System · TWIG
   Basato su "TWI.IST_Branding IST_Dark.pdf"
   Dark mode di default, tema light derivato dalla stessa palette.
   Conforme WCAG 2.2 AA: contrasti, focus visibile, reduced motion, reflow.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKEN — palette di brand e scale di shades
   -------------------------------------------------------------------------- */
:root {
  /* Palette base dal documento di brand */
  --ist-grigio-scuro:  #30303D;
  --ist-blu-profondo:  #130735;
  --ist-lavanda:       #B078FF;
  --ist-ocra:          #F3AC54;
  --ist-grigio-chiaro: #C5C4D6;
  --ist-bianco-sporco: #F6F6F8;
  --ist-bianco-caldo:  #EFEEEC;

  /* Scala Lavanda */
  --lavanda-950: #130735;
  --lavanda-900: #2A1166;
  --lavanda-800: #3C1E8F;
  --lavanda-700: #5B33C7;
  --lavanda-600: #8A55E8;
  --lavanda-500: #B078FF;
  --lavanda-400: #C29BFF;
  --lavanda-300: #D2B5FF;
  --lavanda-200: #E2CFFF;
  --lavanda-100: #EFE4FF;
  --lavanda-50:  #F8F2FF;

  /* Scala Ocra */
  --ocra-900: #4A2E08;
  --ocra-800: #7A4D0D;
  --ocra-700: #A86A14;
  --ocra-600: #D88A1F;
  --ocra-500: #F3AC54;
  --ocra-400: #F6BE78;
  --ocra-300: #F9CF9C;
  --ocra-200: #FBDFC0;
  --ocra-100: #FDEFDE;
  --ocra-50:  #FEF8F0;

  /* Scala Grigio */
  --grigio-900: #16161C;
  --grigio-800: #1F1F28;
  --grigio-700: #282832;
  --grigio-600: #30303D;
  --grigio-500: #4A4A5A;
  --grigio-400: #6B6B7E;
  --grigio-300: #9292A3;
  --grigio-200: #C5C4D6;
  --grigio-100: #E0E0E9;
  --grigio-50:  #F6F6F8;

  /* Tipografia */
  --font-sans: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --fs-display: clamp(2.5rem, 5vw, 3.5rem);
  --fs-h1: clamp(2rem, 4vw, 2.5rem);
  --fs-h2: clamp(1.5rem, 3vw, 2rem);
  --fs-h3: 1.5rem;
  --fs-h4: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-caption: 0.75rem;
  --fs-eyebrow: 0.8125rem;

  /* Spaziatura (scala 4px) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;

  /* Raggi */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 180ms;

  /* Accento interattivo (bottoni primari, selezioni attive):
     lavanda-600 è l'unico punto della scala in cui il testo bianco
     supera il contrasto AA 4.5:1 (≈4.6:1), in entrambi i temi. */
  --color-primary: var(--lavanda-600);
  --color-primary-hover: var(--lavanda-700);
  --color-on-primary: #FFFFFF;
}

/* --------------------------------------------------------------------------
   2. TEMI — token semantici
   Dark = default (identità ist). Light = derivato, stessi accenti.
   -------------------------------------------------------------------------- */
:root,
[data-theme="dark"] {
  color-scheme: dark;

  --color-bg: var(--ist-grigio-scuro);
  --color-surface: #393947;          /* card / pannelli elevati */
  --color-surface-2: #434352;        /* hover / superfici secondarie */
  --color-surface-sunken: #282834;   /* aree incassate, righe zebrate */
  --color-surface-deep: #211C38;     /* card in tinta blu profondo (PDF) */
  --color-border: #50505F;
  --color-border-strong: #6B6B7E;

  --color-text: var(--ist-bianco-sporco);        /* ~12:1 su bg ✓ */
  --color-text-secondary: var(--ist-grigio-chiaro); /* ~8:1 ✓ */
  --color-text-muted: #A6A6B8;                   /* ≥4.5:1 ✓ */

  /* Lavanda: 4.3:1 su questo sfondo → solo testo large/bold e UI.
     Per testo normale si usa --color-accent-text (lavanda-400, ≥4.5:1). */
  --color-accent: var(--lavanda-500);
  --color-accent-text: var(--lavanda-400);
  --color-accent-strong: var(--lavanda-400);
  --color-on-accent: var(--lavanda-950);   /* testo su bottoni lavanda: 6.3:1 ✓ */
  --color-accent-soft: rgba(176, 120, 255, 0.16);

  --color-ocra-text: var(--ocra-500);      /* 6.8:1 ✓ */
  --color-ocra-soft: rgba(243, 172, 84, 0.16);

  --color-success-text: #8FE0B2;
  --color-success-soft: rgba(76, 175, 125, 0.18);
  --color-error-text: #FF9B9B;
  --color-error-strong: #FF8A8A;
  --color-error-soft: rgba(229, 72, 77, 0.18);

  --color-focus: var(--lavanda-400);
  --color-backdrop: rgba(19, 7, 53, 0.7);

  --shadow-1: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-3: 0 16px 48px rgba(0, 0, 0, 0.5);

  --gradient-hero: radial-gradient(120% 140% at 85% 0%, var(--lavanda-200) 0%, var(--lavanda-600) 35%, var(--lavanda-900) 75%, var(--ist-grigio-scuro) 100%);
  --gradient-card: linear-gradient(160deg, var(--lavanda-500) 0%, var(--lavanda-950) 100%);
  --gradient-warm: linear-gradient(160deg, var(--lavanda-500) 0%, var(--ocra-500) 55%, var(--ist-bianco-caldo) 100%);
}

[data-theme="light"] {
  color-scheme: light;

  --color-bg: var(--ist-bianco-sporco);
  --color-surface: #FFFFFF;
  --color-surface-2: #ECECF2;
  --color-surface-sunken: #E7E7EE;
  --color-surface-deep: #FFFFFF;
  --color-border: var(--ist-grigio-chiaro);
  --color-border-strong: #9292A3;

  --color-text: #26262F;
  --color-text-secondary: #4E4E62;
  --color-text-muted: #5F5F74;

  /* Su fondo chiaro la lavanda base non regge il contrasto:
     gli accenti testuali usano lavanda-700 (≥7:1 ✓). */
  --color-accent: var(--lavanda-700);
  --color-accent-text: var(--lavanda-700);
  --color-accent-strong: var(--lavanda-800);
  /* Nel tema light l'accento è una lavanda scura:
     ciò che vi appoggia sopra deve essere bianco, non blu profondo */
  --color-on-accent: #FFFFFF;
  --color-accent-soft: rgba(176, 120, 255, 0.18);

  --color-ocra-text: #8A5410;
  --color-ocra-soft: rgba(243, 172, 84, 0.25);

  --color-success-text: #1B7A4D;
  --color-success-soft: rgba(76, 175, 125, 0.18);
  --color-error-text: #BE3338;
  --color-error-strong: #BE3338;
  --color-error-soft: rgba(229, 72, 77, 0.14);

  --color-focus: var(--lavanda-700);
  --color-backdrop: rgba(48, 48, 61, 0.55);

  --shadow-1: 0 1px 3px rgba(48, 48, 61, 0.14);
  --shadow-2: 0 8px 24px rgba(48, 48, 61, 0.16);
  --shadow-3: 0 16px 48px rgba(48, 48, 61, 0.2);

  --gradient-hero: radial-gradient(120% 140% at 85% 0%, #FFFFFF 0%, var(--lavanda-300) 40%, var(--lavanda-600) 100%);
  --gradient-card: linear-gradient(160deg, var(--lavanda-500) 0%, var(--lavanda-950) 100%);
  --gradient-warm: linear-gradient(160deg, var(--lavanda-500) 0%, var(--ocra-500) 55%, var(--ist-bianco-caldo) 100%);
}

/* --------------------------------------------------------------------------
   3. BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  margin: 0 0 var(--sp-3);
  font-weight: 700;
  text-wrap: balance;
}

p { margin: 0 0 var(--sp-4); }

img { max-width: 100%; display: block; }

a {
  color: var(--color-accent-text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

a:hover { color: var(--color-accent-strong); }

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.85em;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
}

/* Focus visibile ovunque — WCAG 2.4.7 / 2.4.11 */
:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: var(--color-accent); color: var(--color-on-accent); }

/* Reduced motion — WCAG 2.3.3 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   4. LAYOUT DI PAGINA
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -100px;
  z-index: 100;
  padding: var(--sp-2) var(--sp-4);
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}

.skip-link:focus { top: var(--sp-4); color: var(--color-on-accent); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-5);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.brand:hover { color: var(--color-text); }

.brand .brand-dot { color: var(--color-accent-text); }

.brand small {
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.site-nav { margin-left: auto; overflow-x: auto; }

.site-nav ul {
  display: flex;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.site-nav a {
  display: inline-block;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--fs-small);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.theme-toggle {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: var(--fs-small);
  font-weight: 600;
  cursor: pointer;
}

.theme-toggle:hover { background: var(--color-surface-2); }

/* Header su mobile: brand e toggle sulla prima riga,
   nav scorrevole a tutta larghezza sulla seconda */
@media (max-width: 48rem) {
  .site-header {
    flex-wrap: wrap;
    row-gap: var(--sp-1);
    padding: var(--sp-2) var(--sp-4);
  }

  .theme-toggle { order: 2; margin-left: auto; }

  .site-nav {
    order: 3;
    flex-basis: 100%;
    margin-left: calc(-1 * var(--sp-2));
    padding-bottom: var(--sp-1);
  }
}

.theme-toggle .icon-sun { display: none; }

[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-8) var(--sp-5);
  background: var(--gradient-hero);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 70rem;
  margin: 0 auto;
}

.hero h1 {
  font-size: var(--fs-display);
  font-weight: 800;
  color: #FFFFFF;
  max-width: 22ch;
  margin-bottom: var(--sp-4);
}

.hero p {
  font-size: 1.125rem;
  color: var(--lavanda-100);
  max-width: 55ch;
}

[data-theme="light"] .hero h1 { color: var(--lavanda-950); }
[data-theme="light"] .hero p { color: var(--lavanda-950); }

.hero .eyebrow { color: #FFFFFF; }
[data-theme="light"] .hero .eyebrow { color: var(--lavanda-950); }

main {
  max-width: 70rem;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-5) var(--sp-8);
}

.ds-section { padding: var(--sp-7) 0; border-bottom: 1px solid var(--color-border); }

.ds-section > h2 {
  font-size: var(--fs-h2);
  scroll-margin-top: 6rem;
}

.usage {
  max-width: 70ch;
  color: var(--color-text-secondary);
}

.demo {
  margin-top: var(--sp-5);
  padding: var(--sp-5);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.demo + .demo { margin-top: var(--sp-4); }

.demo-title {
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.demo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
}

.demo-row + .demo-title { margin-top: var(--sp-5); }

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--sp-4);
}

/* Eyebrow / etichetta di sezione (stile "OBIETTIVO 1" del PDF) */
.eyebrow {
  display: inline-block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

/* --------------------------------------------------------------------------
   5. FONDAMENTA — swatch, shades, gradienti, blob, spacing, radius
   -------------------------------------------------------------------------- */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: var(--sp-4);
}

.swatch {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}

.swatch-color { height: 5rem; }

.swatch dl {
  margin: 0;
  padding: var(--sp-3);
}

.swatch dt { font-weight: 600; font-size: var(--fs-small); }

.swatch dd {
  margin: 0;
  font-family: ui-monospace, Menlo, monospace;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.shade-scale {
  display: flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.shade-scale > div {
  flex: 1;
  min-width: 0;
  padding: var(--sp-4) 0 var(--sp-2);
  text-align: center;
  font-size: var(--fs-caption);
  font-weight: 600;
}

.shade-scale + .shade-scale { margin-top: var(--sp-3); }

.gradient-tile {
  height: 9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: flex-end;
  padding: var(--sp-3);
}

.gradient-tile span {
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-2);
  border-radius: 6px;
  background: rgba(19, 7, 53, 0.78);
  color: #FFFFFF;
}

/* Blob organici di brand: decorativi, sempre aria-hidden e dietro al contenuto */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.55;
  pointer-events: none;
}

.blob-lavanda { background: radial-gradient(circle at 35% 35%, var(--lavanda-300), var(--lavanda-600) 70%); }
.blob-ocra { background: radial-gradient(circle at 35% 35%, var(--ocra-300), var(--ocra-500) 70%); }
.blob-grigio { background: radial-gradient(circle at 35% 35%, var(--grigio-100), var(--grigio-300) 70%); }

.blob-demo {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: var(--sp-4);
}

.blob-demo figure {
  margin: 0;
  text-align: center;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

.blob-demo .blob-sample {
  position: relative;
  height: 8rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--sp-2);
}

.blob-sample .blob {
  inset: 10%;
  filter: blur(24px);
  opacity: 0.9;
  animation: blob-float 14s var(--ease) infinite alternate;
}

@keyframes blob-float {
  from { transform: translate(-4%, -4%) scale(1); }
  to   { transform: translate(5%, 6%) scale(1.08); }
}

.spacing-demo { display: grid; gap: var(--sp-2); }

.spacing-demo .row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-caption);
  font-family: ui-monospace, Menlo, monospace;
  color: var(--color-text-muted);
}

.spacing-demo .bar {
  height: 1rem;
  border-radius: 4px;
  background: var(--color-accent);
}

.radius-demo { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

.radius-demo figure {
  margin: 0;
  text-align: center;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

.radius-demo .box {
  width: 6rem;
  height: 4.5rem;
  margin-bottom: var(--sp-2);
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
}

/* --------------------------------------------------------------------------
   6. TIPOGRAFIA
   -------------------------------------------------------------------------- */
.type-specimen { display: grid; gap: var(--sp-5); }

.type-specimen > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: var(--sp-4);
  align-items: baseline;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: var(--sp-4);
}

.type-specimen .meta {
  font-size: var(--fs-caption);
  font-family: ui-monospace, Menlo, monospace;
  color: var(--color-text-muted);
}

.type-display { font-size: var(--fs-display); font-weight: 800; line-height: 1.1; }
.type-h1 { font-size: var(--fs-h1); font-weight: 700; line-height: 1.15; }
.type-h2 { font-size: var(--fs-h2); font-weight: 700; line-height: 1.2; }
.type-h3 { font-size: var(--fs-h3); font-weight: 600; line-height: 1.3; }
.type-h4 { font-size: var(--fs-h4); font-weight: 600; line-height: 1.35; }
.type-body { font-size: var(--fs-body); }
.type-small { font-size: var(--fs-small); color: var(--color-text-secondary); }
.type-caption { font-size: var(--fs-caption); color: var(--color-text-muted); }

@media (max-width: 40rem) {
  .type-specimen > div { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   6a. ICONE — galleria Phosphor
   Le icone usano currentColor: nessuno stile per-tema necessario.
   -------------------------------------------------------------------------- */
.icon-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sp-5);
  margin-bottom: var(--sp-3);
}

.icon-weights { flex: 1 1 24rem; }

.icon-weights .choice { padding: 0; align-items: center; }

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.75rem, 1fr));
  gap: var(--sp-2);
  max-height: 34rem;
  overflow-y: auto;
  padding: var(--sp-2);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.icon-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: var(--sp-3) var(--sp-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.icon-cell:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

/* L'attributo hidden deve prevalere sul display:flex della cella */
.icon-cell[hidden] { display: none; }

.icon-cell i {
  font-size: 1.75rem;
  line-height: 1;
}

.icon-cell span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

.icon-cell:hover span { color: inherit; }

/* --------------------------------------------------------------------------
   6b. LISTE
   -------------------------------------------------------------------------- */
.list {
  margin: 0 0 var(--sp-4);
  padding-left: 1.5rem;
  display: grid;
  gap: var(--sp-2);
}

.list li::marker {
  color: var(--color-accent-text);
  font-weight: 700;
}

.list .list {
  margin: var(--sp-2) 0 0;
  gap: var(--sp-1);
}

.list .list li::marker { color: var(--color-text-muted); font-weight: 400; }

/* --------------------------------------------------------------------------
   7. BOTTONI
   Primario = lavanda con testo blu profondo (bianco su lavanda non supera AA).
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: 0.625rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn svg { flex-shrink: 0; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent-text);
}

.btn-ghost:hover { background: var(--color-accent-soft); }

.btn-danger {
  background: var(--color-error-soft);
  border-color: var(--color-error-strong);
  color: var(--color-error-text);
}

.btn-danger:hover {
  background: var(--color-error-strong);
  color: var(--lavanda-950);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-sm { min-height: 36px; padding: 0.375rem 0.875rem; font-size: var(--fs-small); }
.btn-lg { min-height: 52px; padding: 0.875rem 1.75rem; font-size: 1.0625rem; }

.btn-icon {
  width: 44px;
  min-width: 44px;
  padding: 0;
}

/* --------------------------------------------------------------------------
   8. FORM
   -------------------------------------------------------------------------- */
.field { display: grid; gap: var(--sp-2); max-width: 26rem; }

.field > label,
fieldset legend {
  font-weight: 600;
  font-size: var(--fs-small);
}

.field .hint {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  margin: 0;
}

.required-mark { color: var(--color-error-text); }

.input,
.textarea,
.select {
  width: 100%;
  min-height: 44px;
  padding: 0.625rem 0.875rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease);
}

.textarea { min-height: 7rem; resize: vertical; }

.input::placeholder,
.textarea::placeholder { color: var(--color-text-muted); }

.input:hover,
.textarea:hover,
.select:hover { border-color: var(--color-accent); }

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-focus);
}

.input[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--color-error-strong);
}

.field-error {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-error-text);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23C5C4D6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

[data-theme="light"] .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%234E4E62' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
}

/* Checkbox e radio */
fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  margin: 0;
  min-width: 0;
}

fieldset legend { padding: 0 var(--sp-2); }

.choice {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
}

.choice label { cursor: pointer; }

.choice .choice-hint {
  display: block;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

input[type="checkbox"],
input[type="radio"] {
  appearance: none;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 2px solid var(--color-border-strong);
  background: var(--color-surface);
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

input[type="checkbox"] { border-radius: 6px; }
input[type="radio"] { border-radius: 50%; }

input[type="checkbox"]:hover,
input[type="radio"]:hover { border-color: var(--color-accent); }

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

input[type="checkbox"]:checked::before {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--color-on-accent);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

input[type="radio"]:checked::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-on-accent);
}

/* Switch (input checkbox con role visivo di interruttore) */
.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  cursor: pointer;
}

.switch input {
  position: relative;
  width: 48px;
  height: 28px;
  border-radius: var(--radius-pill);
  margin: 0;
}

/* Il knob ha sempre le stesse dimensioni (on e off) e resta
   sempre dentro il binario: 3px di aria su ogni lato. */
.switch input::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-text-secondary);
  transition: translate var(--dur) var(--ease), background-color var(--dur) var(--ease);
  clip-path: none;
}

.switch input:checked {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.switch input:checked::before {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  clip-path: none;
  translate: 20px 0;
  background: var(--color-on-primary);
}

.switch:has(input:disabled) {
  opacity: 0.5;
  cursor: not-allowed;
}

.switch input:disabled { cursor: not-allowed; }

/* Range slider */
input[type="range"] {
  appearance: none;
  width: 100%;
  max-width: 20rem;
  height: 44px; /* target area generosa */
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-border-strong);
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -8px;
  border-radius: 50%;
  background: var(--color-accent);
}

input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-border-strong);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 0;
}

.range-output {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent-text);
}

/* Combobox (autocomplete) */
.combobox { position: relative; max-width: 26rem; }

.combobox [role="listbox"] {
  position: absolute;
  z-index: 10;
  inset-inline: 0;
  top: calc(100% + 4px);
  max-height: 14rem;
  overflow-y: auto;
  margin: 0;
  padding: var(--sp-1);
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
}

.combobox [role="option"] {
  padding: var(--sp-2) var(--sp-3);
  border-radius: 6px;
  cursor: pointer;
}

.combobox [role="option"]:hover { background: var(--color-surface-2); }

.combobox [role="option"][aria-selected="true"] {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.combobox .empty {
  padding: var(--sp-2) var(--sp-3);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

/* --------------------------------------------------------------------------
   9. CARD
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-1);
}

.card h3, .card h4 { margin-top: 0; }

.card > :last-child { margin-bottom: 0; }

.card-media {
  padding: 0;
  overflow: hidden;
}

.card-media .media {
  height: 9rem;
  background: var(--gradient-card);
}

.card-media .media-warm { background: var(--gradient-warm); }

.card-media .card-body { padding: var(--sp-5); }

.card-media .card-body > :last-child { margin-bottom: 0; }

/* Layout interni e larghezze diverse */
.card-columns { display: grid; gap: var(--sp-5); }

@media (min-width: 42rem) {
  .card-columns { grid-template-columns: repeat(2, 1fr); }
}

.card-columns h4 { color: var(--color-accent-text); }

.card-horizontal {
  display: grid;
  padding: 0;
  overflow: hidden;
}

.card-horizontal .media { min-height: 8rem; height: 100%; background: var(--gradient-warm); }

.card-horizontal .card-body { padding: var(--sp-5); }

.card-horizontal .card-body > :last-child { margin-bottom: 0; }

.cards-asym { display: grid; gap: var(--sp-4); }

@media (min-width: 42rem) {
  .card-horizontal { grid-template-columns: 13rem 1fr; }
  .cards-asym { grid-template-columns: 1fr 2fr; }
}

/* Card "obiettivo" — label uppercase su tab lavanda, stile slide 17–18 */
.card-objective {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-deep);
  border: 1px solid var(--color-border);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  margin-top: 1.6rem;
}

.card-objective .btn {
  margin-top: auto;
  align-self: flex-start;
}

.card-objective .objective-tag {
  position: absolute;
  top: -1.6rem;
  left: -1px;
  padding: 0.2rem 0.75rem;
  background: var(--lavanda-500);
  color: var(--lavanda-950);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 6px 6px 0 0;
}

/* Card KPI */
.card-kpi .kpi-value {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.card-kpi .kpi-trend {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-success-text);
}

.card-kpi .kpi-trend.down { color: var(--color-error-text); }

/* Card interattiva (intera card cliccabile tramite pseudo-elemento) */
.card-link { position: relative; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }

.card-link:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-2);
}

.card-link a {
  font-weight: 600;
  text-decoration: none;
}

.card-link a::after { content: ""; position: absolute; inset: 0; }

.card-link a:focus-visible::after {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------------------
   10. ACCORDION
   -------------------------------------------------------------------------- */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.accordion-item + .accordion-item { border-top: 1px solid var(--color-border); }

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  width: 100%;
  min-height: 56px;
  padding: var(--sp-4) var(--sp-5);
  background: none;
  border: 0;
  font: inherit;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
}

.accordion-trigger:hover { background: var(--color-surface-2); }

.accordion-trigger:focus-visible { outline-offset: -2px; }

.accordion-trigger svg {
  flex-shrink: 0;
  color: var(--color-accent-text);
  transition: rotate var(--dur) var(--ease);
}

.accordion-trigger[aria-expanded="true"] svg { rotate: 180deg; }

.accordion-panel {
  padding: 0 var(--sp-5) var(--sp-4);
  color: var(--color-text-secondary);
}

.accordion-panel > :last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   11. TABS
   -------------------------------------------------------------------------- */
.tabs [role="tablist"] {
  display: flex;
  gap: var(--sp-1);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.tabs [role="tab"] {
  min-height: 44px;
  padding: var(--sp-2) var(--sp-4);
  border: 0;
  border-bottom: 3px solid transparent;
  background: none;
  font: inherit;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
}

.tabs [role="tab"]:hover { color: var(--color-text); background: var(--color-surface-2); }

.tabs [role="tab"][aria-selected="true"] {
  color: var(--color-accent-text);
  border-bottom-color: var(--color-accent);
}

.tabs [role="tabpanel"] { padding: var(--sp-5) var(--sp-1); }

.tabs [role="tabpanel"] > :last-child { margin-bottom: 0; }

/* --------------------------------------------------------------------------
   12. BADGE, TAG E LABEL
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-info    { background: var(--color-accent-soft);  color: var(--color-accent-text); }
.badge-success { background: var(--color-success-soft); color: var(--color-success-text); }
.badge-warning { background: var(--color-ocra-soft);    color: var(--color-ocra-text); }
.badge-error   { background: var(--color-error-soft);   color: var(--color-error-text); }
.badge-neutral { background: var(--color-surface-2);    color: var(--color-text-secondary); }

.badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* Label piena stile "ESEMPIO" del PDF */
.label-solid {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background: var(--lavanda-500);
  color: var(--lavanda-950);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.label-solid.ocra { background: var(--ocra-500); color: var(--ocra-900); }

/* Tag rimovibili — due famiglie visivamente distinte:
   primari (pill, tinta lavanda) e secondari (squadrati, outline tratteggiato) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0.25rem 0.5rem 0.25rem 0.75rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: 500;
}

.tag-primary {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent-text);
  font-weight: 600;
}

.tag-primary button { color: var(--color-accent-text); }

.tag-secondary {
  background: transparent;
  border-style: dashed;
  border-color: var(--color-border-strong);
  border-radius: 6px;
  color: var(--color-text-secondary);
  font-size: var(--fs-caption);
  padding: 0.2rem 0.35rem 0.2rem 0.6rem;
}

.tag button {
  display: grid;
  place-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.tag button:hover {
  background: var(--color-error-soft);
  color: var(--color-error-text);
}

/* --------------------------------------------------------------------------
   13. NAVIGAZIONE — breadcrumb, paginazione
   -------------------------------------------------------------------------- */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-small);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-text-muted);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

.pagination ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.pagination a,
.pagination span.gap {
  display: grid;
  place-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 var(--sp-2);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.pagination a:hover { background: var(--color-surface-2); color: var(--color-text); }

.pagination a[aria-current="page"] {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* --------------------------------------------------------------------------
   14. MODALE
   -------------------------------------------------------------------------- */
dialog.modal {
  width: min(92vw, 28rem);
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-3);
}

dialog.modal::backdrop { background: var(--color-backdrop); }

/* Tre larghezze: small per conferme rapide, medium di default,
   large per contenuti articolati */
dialog.modal.modal-sm { width: min(92vw, 21rem); }
dialog.modal.modal-lg { width: min(92vw, 42rem); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-5) 0;
}

.modal-header h2 { margin: 0; font-size: var(--fs-h4); }

.modal-close {
  display: grid;
  place-content: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.modal-close:hover { background: var(--color-surface-2); color: var(--color-text); }

.modal-body { padding: var(--sp-4) var(--sp-5); color: var(--color-text-secondary); }

.modal-body > :last-child { margin-bottom: 0; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: 0 var(--sp-5) var(--sp-5);
}

/* --------------------------------------------------------------------------
   15. NOTIFICHE E FEEDBACK
   -------------------------------------------------------------------------- */
.alert {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  border: 1px solid;
}

.alert svg { flex-shrink: 0; margin-top: 2px; }

.alert p { margin: 0; }

.alert strong { display: block; }

.alert-info    { background: var(--color-accent-soft);  border-color: var(--color-accent);        color: var(--color-text); }
.alert-info svg { color: var(--color-accent-text); }
.alert-success { background: var(--color-success-soft); border-color: var(--color-success-text);  color: var(--color-text); }
.alert-success svg { color: var(--color-success-text); }
.alert-warning { background: var(--color-ocra-soft);    border-color: var(--color-ocra-text);     color: var(--color-text); }
.alert-warning svg { color: var(--color-ocra-text); }
.alert-error   { background: var(--color-error-soft);   border-color: var(--color-error-strong);  color: var(--color-text); }
.alert-error svg { color: var(--color-error-text); }

/* Toast */
.toast-region {
  position: fixed;
  bottom: var(--sp-5);
  right: var(--sp-5);
  z-index: 90;
  display: grid;
  gap: var(--sp-3);
  max-width: min(92vw, 22rem);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  animation: toast-in 240ms var(--ease);
}

.toast.success { border-left-color: var(--color-success-text); }

.toast p { margin: 0; font-size: var(--fs-small); }

.toast strong { display: block; font-size: var(--fs-body); }

@keyframes toast-in {
  from { translate: 0 12px; opacity: 0; }
  to   { translate: 0 0; opacity: 1; }
}

/* Lista notifiche (stile UI kit del PDF) */
.notification-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-2);
}

.notification-list li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.notification-list li.unread { border-color: var(--color-accent); }

.notification-list .notif-text { flex: 1; min-width: 0; }

.notification-list .notif-text strong { display: block; }

.notification-list .notif-text span {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.notification-list time {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* Progress, spinner, skeleton */
progress {
  appearance: none;
  width: 100%;
  max-width: 20rem;
  height: 10px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  overflow: hidden;
}

progress::-webkit-progress-bar { background: var(--color-border); border-radius: var(--radius-pill); }
progress::-webkit-progress-value { background: var(--color-accent); border-radius: var(--radius-pill); }
progress::-moz-progress-bar { background: var(--color-accent); border-radius: var(--radius-pill); }

.spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { rotate: 360deg; } }

.skeleton {
  display: grid;
  gap: var(--sp-2);
  max-width: 20rem;
}

.skeleton .line {
  height: 0.9rem;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-border) 50%, var(--color-surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
}

.skeleton .line:nth-child(2) { width: 80%; }
.skeleton .line:nth-child(3) { width: 60%; }

@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* --------------------------------------------------------------------------
   16. TOOLTIP E DROPDOWN MENU
   -------------------------------------------------------------------------- */
.tooltip-wrapper { position: relative; display: inline-block; }

.tooltip {
  position: absolute;
  z-index: 20;
  width: max-content;
  max-width: 16rem;
  padding: var(--sp-2) var(--sp-3);
  background: var(--grigio-900);
  color: var(--grigio-50);
  font-size: var(--fs-small);
  line-height: 1.4;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
}

[data-theme="light"] .tooltip { background: var(--grigio-700); }

.tooltip[hidden] { display: none; }

/* Quattro direzioni di apertura (default: sopra) */
.tooltip,
.tooltip-top    { bottom: calc(100% + 8px); left: 50%; translate: -50% 0; }
.tooltip-bottom { bottom: auto; top: calc(100% + 8px); left: 50%; translate: -50% 0; }
.tooltip-left   { bottom: auto; left: auto; right: calc(100% + 8px); top: 50%; translate: 0 -50%; }
.tooltip-right  { bottom: auto; right: auto; left: calc(100% + 8px); top: 50%; translate: 0 -50%; }

.menu-wrapper { position: relative; display: inline-block; }

.menu {
  position: absolute;
  z-index: 20;
  top: calc(100% + 6px);
  left: 0;
  min-width: 13rem;
  margin: 0;
  padding: var(--sp-1);
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
}

.menu[hidden] { display: none; }

.menu [role="menuitem"] {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  min-height: 40px;
  padding: var(--sp-2) var(--sp-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  font: inherit;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
}

.menu [role="menuitem"]:hover,
.menu [role="menuitem"]:focus-visible {
  background: var(--color-primary);
  color: var(--color-on-primary);
  outline: none;
}

.menu .separator {
  height: 1px;
  margin: var(--sp-1) var(--sp-2);
  background: var(--color-border);
}

.menu .danger { color: var(--color-error-text); }

.menu .danger:hover,
.menu .danger:focus-visible {
  background: var(--color-error-soft);
  color: var(--color-error-text);
}

/* --------------------------------------------------------------------------
   17. TABELLE
   -------------------------------------------------------------------------- */
.table-wrapper { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.data-table caption {
  text-align: left;
  font-weight: 600;
  font-size: var(--fs-body);
  padding-bottom: var(--sp-3);
}

.data-table th,
.data-table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table thead th {
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 2px solid var(--color-border-strong);
}

.data-table tbody tr:nth-child(even) { background: var(--color-surface-sunken); }

.data-table tbody tr:hover { background: var(--color-accent-soft); }

.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Riga persona con accesso alla piattaforma disabilitato */
.data-table tbody tr.disabled-person {
  opacity: 0.65;
}

.data-table tbody tr.disabled-person th,
.data-table tbody tr.disabled-person td {
  text-decoration: line-through;
}

.data-table tfoot td {
  font-weight: 700;
  border-bottom: 0;
}

/* Intestazioni ordinabili: ogni th contiene un bottone che alterna
   l'ordinamento; lo stato è esposto con aria-sort sul th. */
.data-table th .sort-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  min-height: 36px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.data-table th .sort-btn:hover { color: var(--color-accent-text); }

.data-table th[aria-sort] .sort-btn { color: var(--color-accent-text); }

.sort-btn .sort-icon::after { content: "↕"; opacity: 0.55; }

th[aria-sort="ascending"] .sort-icon::after { content: "↑"; opacity: 1; }

th[aria-sort="descending"] .sort-icon::after { content: "↓"; opacity: 1; }

/* --------------------------------------------------------------------------
   18. AVATAR
   -------------------------------------------------------------------------- */
.avatar {
  display: inline-grid;
  place-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-card);
  color: #FFFFFF;
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: 0.02em;
  border: 2px solid var(--color-bg);
}

.avatar.ocra { background: linear-gradient(160deg, var(--ocra-400), var(--ocra-700)); color: var(--ocra-900); }
.avatar.grigio { background: linear-gradient(160deg, var(--grigio-200), var(--grigio-400)); color: var(--grigio-900); }

.avatar-sm { width: 32px; height: 32px; font-size: var(--fs-caption); }
.avatar-lg { width: 64px; height: 64px; font-size: var(--fs-h4); }

.avatar-group { display: inline-flex; }

.avatar-group .avatar:not(:first-child) { margin-left: -10px; }

.persona {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-4) var(--sp-2) var(--sp-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.persona strong { display: block; font-size: var(--fs-small); line-height: 1.3; }

.persona span { font-size: var(--fs-caption); color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   19. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--sp-6) var(--sp-5);
  background: var(--color-surface-sunken);
}

.site-footer .inner {
  max-width: 70rem;
  margin: 0 auto;
  display: grid;
  gap: var(--sp-4);
}

.site-footer p {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  max-width: 75ch;
}

.site-footer .brand { font-size: 1.25rem; }