/* ============================================================
   PRO GOAL ACADEMY — Article Page Stylesheet
   Typography, layout, and reading experience for course articles
   ============================================================ */

/* ------------------------------------------------------------
   1. READING PROGRESS BAR
   ------------------------------------------------------------ */

.reading-progress {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 999;
  pointer-events: none;
}

.reading-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-accent);
  border-radius: 0 2px 2px 0;
  transition: width 100ms linear;
  will-change: width;
}

/* ------------------------------------------------------------
   2. ARTICLE LAYOUT — Two-Column
   ------------------------------------------------------------ */

.article-layout {
  display: flex;
  min-height: calc(100vh - var(--header-height));
}

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: var(--header-height);
  width: 280px;
  height: calc(100vh - var(--header-height));
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  z-index: 100;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.article-sidebar__header {
  padding: var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--border-color);
}

.article-sidebar__category {
  display: inline-block;
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-text);
  margin-bottom: 0.25rem;
}

.article-sidebar__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.article-sidebar__progress {
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.article-sidebar__progress-bar {
  flex: 1;
  height: 4px;
  background: var(--border-color);
  border-radius: 100px;
  overflow: hidden;
}

.article-sidebar__progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 100px;
  transition: width 400ms ease;
}

/* Main content area */
.article-main {
  flex: 1;
  min-width: 0;
  padding-bottom: var(--space-6);
}

/* ------------------------------------------------------------
   3. SIDEBAR MODULES LIST
   ------------------------------------------------------------ */

.sidebar-modules {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-modules__item {
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.06);
}

.sidebar-modules__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem var(--space-2);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.4;
  transition: all var(--transition-fast);
  position: relative;
}

.sidebar-modules__link:hover {
  background: rgba(var(--ink-rgb), 0.04);
  color: var(--text-primary);
}

.sidebar-modules__link--active {
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent-text);
  border-left: 3px solid var(--color-accent);
}

.sidebar-modules__link--active:hover {
  background: rgba(var(--color-accent-rgb), 0.18);
  color: var(--color-accent-text);
}

.sidebar-modules__link--locked {
  cursor: pointer;
}

/* Moduli Premium da sbloccare: grigio attenuato (niente opacity, che abbassava il contrasto sotto AA) */
.sidebar-modules__link--locked:not(.sidebar-modules__link--active) {
  color: var(--text-muted);
}

.sidebar-modules__link--locked:not(.sidebar-modules__link--active):hover {
  color: var(--text-primary);
}

.sidebar-modules__link--completed {
  color: var(--text-muted);
}

.sidebar-modules__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(var(--ink-rgb), 0.08);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  flex-shrink: 0;
  color: inherit;
}

.sidebar-modules__link--active .sidebar-modules__number {
  background: var(--color-accent);
  color: var(--on-accent); /* 8,3:1 su #66B554 (il bianco era 2,5:1) */
}

.sidebar-modules__link--completed .sidebar-modules__number {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent-text);
}

.sidebar-modules__label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-modules__icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

.sidebar-modules__link--locked .sidebar-modules__icon {
  color: var(--text-muted);
}

.sidebar-modules__link--completed .sidebar-modules__icon {
  color: var(--color-accent-text);
}

/* ------------------------------------------------------------
   4. ARTICLE HEADER
   ------------------------------------------------------------ */

.article-header {
  padding: var(--space-4) var(--space-4) var(--space-3);
  max-width: 720px;
  margin: 0 auto;
}

/* Module label */
.article-module-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-text);
  background: rgba(var(--color-accent-rgb), 0.12);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

/* Title */
.article-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

/* Meta row */
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-meta__item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* ------------------------------------------------------------
   5. ARTICLE CONTENT — Typography
   ------------------------------------------------------------ */

.article-content {
  padding: 0 var(--space-4);
  max-width: 720px;
  margin: 0 auto;
}

/* Body text */
.article-content p {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1.5em;
}

/* Lead paragraph */
.article-content p:first-of-type {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--text-primary);
}

/* Headings inside article */
.article-content h2,
.article-content h3 {
  scroll-margin-top: calc(var(--header-height, 72px) + 1rem);
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--color-accent);
  line-height: 1.2;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.article-content h4 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.4;
}

/* Strong / bold */
.article-content strong,
.article-content b {
  font-weight: 700;
  color: var(--text-primary);
}

/* Emphasis */
.article-content em {
  font-style: italic;
}

/* Links */
.article-content a {
  color: var(--color-accent-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.article-content a:hover {
  color: var(--color-accent-text-hover);
  border-bottom-color: var(--color-accent-hover);
}

/* Horizontal rule */
.article-content hr {
  border: none;
  height: 1px;
  background: var(--border-color);
  margin: 2rem 0;
}

/* Hide trailing <hr> at the end of article content */
.article-content hr:last-child,
.article-content hr:nth-last-child(2):has(+ hr) {
  display: none;
}

/* Remove bottom margin from last visible element */
.article-content > *:last-child {
  margin-bottom: 0;
}

/* Small print */
.article-content small {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mark / highlight */
.article-content mark {
  background: rgba(var(--color-accent-rgb), 0.2);
  color: inherit;
  padding: 0.1em 0.3em;
  border-radius: 2px;
}

/* ------------------------------------------------------------
   6. LISTS
   ------------------------------------------------------------ */

.article-content ul,
.article-content ol {
  margin: 1.25em 0 1.75em 0;
  padding-left: 0;
}

.article-content ul li,
.article-content ol li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.65em;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  list-style: none;
}

/* Custom bullet for unordered lists */
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Custom numbers for ordered lists */
.article-content ol {
  counter-reset: article-ol;
}

.article-content ol li {
  counter-increment: article-ol;
}

.article-content ol li::before {
  content: counter(article-ol) '.';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent-text);
  line-height: 1.7;
}

/* Nested lists */
.article-content ul ul,
.article-content ol ol,
.article-content ul ol,
.article-content ol ul {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.article-content ul ul li::before {
  width: 5px;
  height: 5px;
  background: transparent;
  border: 2px solid var(--color-accent);
}

/* ------------------------------------------------------------
   7. BLOCKQUOTES
   ------------------------------------------------------------ */

.article-content blockquote {
  position: relative;
  margin: 2rem 0;
  padding: 1.5rem 1.75rem 1.5rem 2rem;
  background: rgba(var(--ink-rgb), 0.03);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
}

.article-content blockquote::before {
  content: '\201C';
  position: absolute;
  top: -0.15em;
  left: 0.5rem;
  font-family: Georgia, serif;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-accent-text);
  opacity: 0.3;
  pointer-events: none;
}

.article-content blockquote p {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 0;
  font-style: italic;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content blockquote cite,
.article-content blockquote footer {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-style: normal;
  color: var(--text-muted);
}

.article-content blockquote cite::before,
.article-content blockquote footer::before {
  content: '\2014\00a0';
}

/* ------------------------------------------------------------
   8. TABLES
   ------------------------------------------------------------ */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.5;
  min-width: 500px;
}

.article-table thead {
  background: rgba(var(--color-accent-rgb), 0.1);
}

.article-table th {
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-text);
  text-align: left;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.article-table td {
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.article-table tbody tr:nth-child(even) {
  background: rgba(var(--ink-rgb), 0.02);
}

.article-table tbody tr:hover {
  background: rgba(var(--color-accent-rgb), 0.04);
}

.article-table tbody tr:last-child td {
  border-bottom: none;
}

.article-table caption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: left;
  caption-side: bottom;
  border-top: 1px solid var(--border-color);
}

/* ------------------------------------------------------------
   9. VIDEO CONTAINER
   ------------------------------------------------------------ */

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000000;
}

.video-container iframe,
.video-container video,
.video-container object,
.video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-placeholder {
  display: none;
}

.video-placeholder:hover {
  border-color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.04);
}

/* ------------------------------------------------------------
   10. TACTICAL DIAGRAMS
   ------------------------------------------------------------ */

.tactical-diagram-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  margin: 2rem 0;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(var(--ink-rgb), 0.02);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: border-color var(--transition-base);
}

.tactical-diagram-placeholder:hover {
  border-color: var(--color-accent);
}

/* ------------------------------------------------------------
   11. CODE / PRE BLOCKS
   ------------------------------------------------------------ */

.article-content code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.875em;
  background: rgba(var(--color-accent-rgb), 0.1);
  color: var(--color-accent-text);
  padding: 0.15em 0.45em;
  border-radius: 3px;
}

.article-content pre {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--bg-sunken);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-accent-text);
  display: block;
  white-space: pre;
}

/* ------------------------------------------------------------
   12. IMAGES IN ARTICLE
   ------------------------------------------------------------ */

.article-content img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  margin: 2rem 0;
}

.article-content figure {
  margin: 2rem 0;
}

.article-content figure img {
  margin: 0;
}

.article-content figcaption {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
}

/* ------------------------------------------------------------
   13. ARTICLE NAVIGATION (Prev/Next)
   ------------------------------------------------------------ */

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: var(--space-2);
  margin: var(--space-5) auto 0;
  padding: var(--space-4) 0 0;
  border-top: 1px solid var(--border-color);
  /* larghezza: stessa colonna del testo, vedi "Sezioni dopo il contenuto" */
}

.article-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
}

.article-nav__link:hover {
  border-color: var(--color-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: inherit;
}

.article-nav__link--prev {
  text-align: left;
}

.article-nav__link--next {
  text-align: right;
}

.article-nav__direction {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-text);
}

.article-nav__title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
  overflow: hidden;
  white-space: normal;
}

/* Empty slot (when there's no prev or next) */
.article-nav__link--empty {
  visibility: hidden;
}

/* ------------------------------------------------------------
   14. LOCKED ARTICLE / TEASER
   ------------------------------------------------------------ */

/* Teaser: visible content fades out */
.article-content--teaser {
  position: relative;
  max-height: 600px;
  overflow: hidden;
}

.article-content--teaser::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--bg-primary) 100%
  );
  pointer-events: none;
}

/* Lock overlay */
.article-lock-overlay {
  position: relative;
  z-index: 10;
  max-width: 520px;
  margin: -2rem auto 0;
  padding: var(--space-4);
  text-align: center;
}

.article-lock-overlay__card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
  box-shadow: var(--shadow-lg);
}

.article-lock-overlay__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
  color: var(--text-muted);
  opacity: 0.7;
}

.article-lock-overlay__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.article-lock-overlay__message {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.article-lock-overlay__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.article-lock-overlay__actions .btn {
  min-width: 220px;
}

/* ------------------------------------------------------------
   15. ARTICLE COMPLETE SECTION
   ------------------------------------------------------------ */

.article-complete {
  max-width: 720px;
  margin: 1.5rem auto 0;
  padding: 0 var(--space-4);
  text-align: center;
}

.article-complete__divider {
  width: 60px;
  height: 2px;
  background: var(--border-color);
  margin: 0 auto var(--space-3);
}

.article-complete__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--color-accent-text);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
}

.article-complete__btn:hover {
  background: var(--color-accent);
  color: var(--on-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(var(--color-accent-rgb), 0.3);
}

.article-complete__label {
  margin-top: var(--space-1);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ------------------------------------------------------------
   16. STUDIO MODE OVERRIDES
   ------------------------------------------------------------ */

/* Code blocks — slightly lighter bg */

/* Locked overlay gradient adjustment */

/* ------------------------------------------------------------
   17. RESPONSIVE — TABLET (768px - 1024px)
   ------------------------------------------------------------ */

/* Tablet: la barra laterale diventa la striscia dei moduli (vedi sezione 22). */

/* ------------------------------------------------------------
   18. RESPONSIVE — MOBILE (< 768px)
   ------------------------------------------------------------ */

@media (max-width: 767px) {
  /* Barra laterale come striscia orizzontale: vedi il blocco (max-width: 1024px) */

  /* Main content */
  .article-main {
    margin-left: 0;
  }

  /* Article layout becomes single column */
  .article-layout {
    flex-direction: column;
  }

  /* Article header */
  .article-header {
    padding: var(--space-3) 1.25rem var(--space-2);
  }

  .article-header h1 {
    font-size: 1.75rem;
  }

  

  .article-module-label {
    font-size: 0.65rem;
  }

  .article-meta {
    font-size: 0.8rem;
    gap: var(--space-1);
  }

  /* Article content */
  .article-content {
    padding: 0 1.25rem;
  }

  .article-content p {
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 1.25em;
  }

  .article-content p:first-of-type {
    font-size: 1.05rem;
  }

  .article-content h2 {
    font-size: 1.4rem;
    margin-top: 2.25rem;
    margin-bottom: 0.75rem;
    padding-left: 0.85rem;
  }

  .article-content h3 {
    font-size: 1.15rem;
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
  }

  .article-content h4 {
    font-size: 1rem;
    margin-top: 1.25rem;
  }

  .article-content ul li,
  .article-content ol li {
    font-size: 1rem;
    line-height: 1.7;
    padding-left: 1.5rem;
    margin-bottom: 0.5em;
  }

  .article-content blockquote {
    margin: 1.5rem 0;
    padding: 1.15rem 1.25rem 1.15rem 1.5rem;
  }

  .article-content blockquote::before {
    font-size: 2.5rem;
    left: 0.35rem;
  }

  .article-content blockquote p {
    font-size: 1.05rem;
  }

  .article-content pre {
    margin: 1.5rem -1rem;
    padding: 1rem;
    border-radius: 0;
    font-size: 0.85rem;
  }

  /* Tables */
  .table-responsive {
    margin: 1.5rem -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .article-table th,
  .article-table td {
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
  }

  /* Video */
  .video-container,
  .video-placeholder {
    margin: 1.5rem 0;
  }

  

  /* Tactical diagrams */
  .tactical-diagram-placeholder {
    margin: 1.5rem 0;
  }

  /* Article navigation */
  .article-nav {
    grid-template-columns: 1fr;
    padding-top: var(--space-3);
    margin-top: var(--space-4);
  }

  .article-nav__link--next {
    text-align: left;
  }

  .article-nav__link--empty {
    display: none;
  }

  /* Lock overlay */
  .article-lock-overlay {
    padding: var(--space-3) 1.25rem;
  }

  .article-lock-overlay__card {
    padding: var(--space-3) 1.25rem;
  }

  .article-lock-overlay__title {
    font-size: 1.25rem;
  }

  .article-lock-overlay__message {
    font-size: 0.875rem;
  }

  .article-lock-overlay__actions .btn {
    min-width: 100%;
  }

  /* Complete section */
  .article-complete {
    padding: 0 1.25rem;
    margin-top: 1.25rem;
  }

}

/* ------------------------------------------------------------
   19. RESPONSIVE — LARGE DESKTOP (> 1200px)
   ------------------------------------------------------------ */

@media (min-width: 1200px) {
  .article-header {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .article-content {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}

/* ------------------------------------------------------------
   20. INTERACTIVE QUIZ BLOCKS
   ------------------------------------------------------------ */

.quiz-block {
  margin: 2.5rem 0;
  border: 1px solid rgba(var(--color-accent-rgb), 0.25);
  border-radius: 16px;
  background: rgba(var(--color-accent-rgb), 0.04);
  overflow: hidden;
}

.quiz-block__header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 56px;
  padding: 1rem 1.5rem;
  background: rgba(var(--color-accent-rgb), 0.08);
  border: 0;
  border-bottom: 1px solid rgba(var(--color-accent-rgb), 0.15);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

.quiz-block__header:hover {
  background: rgba(var(--color-accent-rgb), 0.14);
}

/* Chevron rotation */
.quiz-block__chevron {
  margin-left: 0.5rem;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s ease, color 0.2s ease;
}

.quiz-block__header:hover .quiz-block__chevron {
  color: var(--color-accent-text);
}

.quiz-block--open .quiz-block__chevron {
  transform: rotate(180deg);
}

/* Hide border-bottom on collapsed header */
.quiz-block:not(.quiz-block--open) .quiz-block__header {
  border-bottom-color: transparent;
}

/* Smooth body reveal */
.quiz-block__body {
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.quiz-block__icon {
  display: inline-flex;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-accent-text);
}

.quiz-block__title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent-text);
}

.quiz-block__count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(var(--ink-rgb), 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  white-space: nowrap;
}

/* Individual question */
.quiz-q {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.06);
}

.quiz-q:last-of-type {
  border-bottom: none;
}

.quiz-q__text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.quiz-q__num {
  color: var(--color-accent-text);
  font-weight: 700;
  margin-right: 0.25rem;
}

/* Options grid */
.quiz-q__opts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.quiz-q__opt {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  min-height: 48px;
  text-align: left;
  padding: 0.85rem 1.15rem;
  border-radius: 10px;
  border: 1px solid rgba(var(--ink-rgb), 0.12);
  background: rgba(var(--ink-rgb), 0.04);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.quiz-q__opt:hover {
  border-color: rgba(var(--color-accent-rgb), 0.4);
  background: rgba(var(--color-accent-rgb), 0.06);
  color: var(--text-primary);
  transform: translateX(4px);
}

.quiz-q__letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid rgba(var(--ink-rgb), 0.15);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.quiz-q__opt:hover .quiz-q__letter {
  border-color: var(--color-accent);
  color: var(--color-accent-text);
}

/* Answered state — disable hover */
.quiz-q--done .quiz-q__opt {
  cursor: default;
  transform: none;
  opacity: 0.6;
}

.quiz-q--done .quiz-q__opt:hover {
  transform: none;
  border-color: rgba(var(--ink-rgb), 0.12);
  background: rgba(var(--ink-rgb), 0.04);
  color: var(--text-secondary);
}

.quiz-q--done .quiz-q__opt:hover .quiz-q__letter {
  border-color: rgba(var(--ink-rgb), 0.15);
  color: var(--text-muted);
}

/* Correct answer */
.quiz-q__opt--correct {
  border-color: var(--color-accent) !important;
  background: rgba(var(--color-accent-rgb), 0.12) !important;
  color: var(--color-accent-text) !important;
  opacity: 1 !important;
}

.quiz-q__opt--correct .quiz-q__letter {
  border-color: var(--color-accent) !important;
  background: var(--color-accent);
  color: var(--on-accent) !important;
}

/* Wrong answer (lettera su #c62828: 5,6:1 col bianco) */
.quiz-q__opt--wrong {
  border-color: var(--color-danger) !important;
  background: rgba(var(--color-danger-rgb), 0.1) !important;
  color: var(--color-danger) !important;
  opacity: 1 !important;
}

.quiz-q__opt--wrong .quiz-q__letter {
  border-color: var(--color-danger-strong) !important;
  background: var(--color-danger-strong) !important;
  color: #fff !important;
}

/* Feedback explanation */
.quiz-q__feedback {
  margin-top: 0.85rem;
  padding: 0.85rem 1.15rem;
  border-left: 3px solid var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.06);
  border-radius: 0 10px 10px 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
  animation: quizFadeIn 0.35s ease;
}

@keyframes quizFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Result section (regione live: vuota finche' non arriva l'esito, vedi 22) */
.quiz-block__result {
  display: block;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: rgba(var(--color-accent-rgb), 0.1);
  border-top: 1px solid rgba(var(--color-accent-rgb), 0.2);
  animation: quizFadeIn 0.4s ease;
}

/* ---- Mobile quiz ---- */
@media (max-width: 767px) {
  .quiz-block {
    margin: 2rem -0.5rem;
    border-radius: 12px;
  }

  .quiz-block__header {
    padding: 0.85rem 1rem;
  }

  .quiz-block__title {
    font-size: 1rem;
  }

  .quiz-q {
    padding: 1rem;
  }

  .quiz-q__text {
    font-size: 0.95rem;
  }

  .quiz-q__opt {
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
  }

  .quiz-q__letter {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }

  .quiz-q__feedback {
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
  }

}

/* ------------------------------------------------------------
   21. PRINT STYLES
   ------------------------------------------------------------ */

@media print {
  /* Hide non-content elements */
  .article-sidebar,
  .article-nav,
  .article-signup,
  .article-complete,
  .article-rating,
  .article-referral-bar,
  .article-comments,
  .article-lock-overlay,
  .reading-progress,
  .site-header,
  .site-footer,
  .theme-toggle,
  .theme-toggle-dock,
  .cert-dialog,
  .video-placeholder,
  .tactical-diagram-placeholder,
  .quiz-block,
  .tts-launcher-wrap,
  .tts-player-bar {
    display: none !important;
  }

  /* Reset layout */
  .article-layout {
    display: block;
  }

  .article-main {
    margin-left: 0;
  }

  /* Content reset */
  body,
  .article-content,
  .article-content p,
  .article-content li,
  .article-content blockquote,
  .article-content blockquote p {
    color: #000000 !important;
    background: #ffffff !important;
  }

  .article-content {
    max-width: 100%;
    padding: 0;
  }

  .article-header {
    max-width: 100%;
    padding: 0 0 1rem;
  }

  .article-header h1 {
    color: #000000 !important;
    font-size: 2rem;
  }

  .article-content p {
    font-size: 11pt;
    line-height: 1.6;
  }

  .article-content h2 {
    font-size: 16pt;
    margin-top: 24pt;
    border-left-color: #333333;
    color: #000000 !important;
  }

  .article-content h3 {
    font-size: 13pt;
    margin-top: 18pt;
    color: #000000 !important;
  }

  .article-content h4 {
    font-size: 11pt;
    color: #000000 !important;
  }

  .article-content a {
    color: #000000 !important;
    text-decoration: underline;
  }

  .article-content blockquote {
    border-left-color: #666666;
    padding: 0.5rem 1rem;
    margin: 1rem 0;
  }

  .article-table {
    font-size: 9pt;
  }

  .article-table th,
  .article-table td {
    border: 1px solid #cccccc !important;
    padding: 4pt 6pt;
  }

  .article-content pre {
    background: #f5f5f5 !important;
    border: 1px solid #cccccc;
    padding: 0.5rem;
    font-size: 8pt;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  .article-content pre code {
    color: #333333 !important;
  }

  .article-content code {
    background: #f0f0f0 !important;
    color: #333333 !important;
  }

  .video-container {
    display: none;
  }

  .article-content img {
    max-width: 100%;
    page-break-inside: avoid;
  }

  .article-content h2,
  .article-content h3,
  .article-content h4 {
    page-break-after: avoid;
  }

  .article-content blockquote,
  .article-content pre,
  .article-content img {
    page-break-inside: avoid;
  }

  /* Remove teaser fade for print */
  .article-content--teaser {
    max-height: none;
    overflow: visible;
  }

  .article-content--teaser::after {
    display: none;
  }
}

/* ------------------------------------------------------------
   21. ANIMATIONS
   ------------------------------------------------------------ */

@keyframes articleFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.article-content {
  animation: articleFadeIn 450ms ease-out;
}

.article-header {
  animation: articleFadeIn 350ms ease-out;
}

/* ============================================================
   TTS PLAYER — "Ascolto in Auto"
   ============================================================ */

/* Launcher: bottone compatto con una nota accanto, non un banner */
.tts-launcher-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin: var(--space-2) 0 0;
}
.tts-launcher-wrap[hidden] {
  display: none;
}
.tts-launcher {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: auto;
  min-height: 44px;
  padding: 0.55rem 1.1rem;
  border-radius: 100px;
  border: 1px solid rgba(var(--color-accent-rgb), 0.35);
  background: rgba(var(--color-accent-rgb), 0.08);
  color: var(--color-accent-text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
}
.tts-launcher:hover {
  background: rgba(var(--color-accent-rgb), 0.15);
  border-color: var(--color-accent);
}
.tts-launcher--active {
  background: var(--color-accent);
  color: var(--on-accent);
  border-color: var(--color-accent);
}
.tts-launcher--active:hover {
  background: var(--color-accent-hover);
}
.tts-launcher-icon {
  flex-shrink: 0;
}
.tts-launcher-text {
  white-space: nowrap;
}

/* Sticky Player Bar */
.tts-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-card);
  border-top: 1px solid rgba(var(--color-accent-rgb), 0.3);
  padding: 0.6rem 1.5rem;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.tts-player-bar--visible {
  transform: translateY(0);
}
.tts-player-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 800px;
  margin: 0 auto;
}
.tts-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(var(--ink-rgb), 0.1);
  color: var(--text-primary);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}
.tts-btn:hover {
  background: rgba(var(--ink-rgb), 0.2);
}
.tts-btn-playpause {
  background: var(--color-accent);
  color: var(--on-accent);
}
.tts-btn-playpause:hover {
  background: var(--color-accent-hover);
}
.tts-icon {
  font-size: 0.9rem;
  line-height: 1;
}
.tts-progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(var(--ink-rgb), 0.1);
  border-radius: 4px;
  overflow: hidden;
}
.tts-progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s ease;
}
.tts-progress-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 40px;
  text-align: right;
}

/* Reading highlight */
.tts-reading {
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem !important;
  background: rgba(var(--color-accent-rgb), 0.06);
  border-radius: 0 8px 8px 0;
  transition: all 0.3s ease;
}

/* ============================================================
   ARTICLE RATING (after completion)
   ============================================================ */

.article-rating {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(var(--ink-rgb), 0.08);
}

.article-rating--visible {
  display: flex;
  animation: ratingFadeIn 0.4s ease forwards;
}

@keyframes ratingFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.article-rating-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0;
}

.article-rating-buttons {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.rating-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(var(--ink-rgb), 0.12);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
}

.rating-btn:hover {
  border-color: rgba(var(--ink-rgb), 0.25);
  color: var(--text-secondary);
  transform: translateY(-2px);
}

.rating-btn svg {
  width: 32px;
  height: 32px;
  transition: transform 0.25s ease;
}

.rating-btn:hover svg {
  transform: scale(1.1);
}

.rating-btn--active.rating-btn--up {
  border-color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent-text);
}

.rating-btn--active.rating-btn--down {
  border-color: var(--color-danger);
  background: rgba(var(--color-danger-rgb), 0.12);
  color: var(--color-danger);
}

.rating-count {
  font-weight: 700;
  font-size: 0.85rem;
}

/* ============================================================
   ARTICLE REFERRAL BAR (compact inline)
   ============================================================ */

.article-referral-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 0.65rem 1rem;
  background: rgba(var(--ink-rgb), 0.04);
  border: 1px solid rgba(var(--ink-rgb), 0.08);
  border-radius: 10px;
  flex-wrap: wrap;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.referral-bar-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.referral-bar-actions {
  display: flex;
  gap: 0.5rem;
  margin-left: auto;
}

.btn-xs {
  padding: 0.3rem 0.75rem !important;
  font-size: 0.75rem !important;
  border-radius: 6px !important;
}

/* ============================================================
   ARTICLE COMMENTS
   ============================================================ */

.article-comments {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(var(--ink-rgb), 0.1);
  /* larghezza: stessa colonna del testo, vedi "Sezioni dopo il contenuto" */
}

.comments-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.comments-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  margin: 0;
}

.comments-count {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent-text);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  border-radius: 12px;
}

/* Comment Form */
.comment-form {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.08);
}

.comment-form-avatar {
  flex-shrink: 0;
}

.comment-avatar-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.comment-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.comment-form-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-end;
}

.comment-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid rgba(var(--ink-rgb), 0.15);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.2s ease;
  box-sizing: border-box;
}

.comment-textarea:focus {
  outline: none;
  border-color: var(--focus-ring);
}

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

.comment-login-cta {
  text-align: center;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px dashed rgba(var(--ink-rgb), 0.15);
  border-radius: 12px;
}

/* Comment Cards */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(var(--ink-rgb), 0.08);
}

.comment-card-avatar {
  flex-shrink: 0;
}

.comment-card-body {
  flex: 1;
  min-width: 0;
}

.comment-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.comment-author {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.comment-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.comment-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
  word-break: break-word;
  margin: 0;
}

.comment-delete-form {
  display: inline;
}

.comment-delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  margin-top: 0.35rem;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
}

.comment-delete-btn:hover {
  color: var(--color-danger);
  background: rgba(var(--color-danger-rgb), 0.1);
}

.comment-delete-btn--admin {
  color: var(--color-danger);
}

.comment-delete-btn--admin:hover {
  color: var(--color-danger);
  background: rgba(var(--color-danger-rgb), 0.15);
}

.comments-empty {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  padding: 1rem 0;
  font-size: 0.875rem;
}

/* Mobile responsive — TTS + Comments + Rating + Referral */
@media (max-width: 768px) {
  .tts-player-bar {
    padding: 0.5rem 1rem;
  }
  .tts-player-controls {
    gap: 0.5rem;
  }
  .tts-btn {
    width: 32px;
    height: 32px;
  }
  .article-meta {
    flex-wrap: wrap;
  }
  .article-rating-buttons {
    gap: 1rem;
  }
  .rating-btn {
    padding: 0.6rem 1rem;
  }
  .rating-btn svg {
    width: 28px;
    height: 28px;
  }
  .article-referral-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    text-align: center;
  }
  .referral-bar-actions {
    margin-left: 0;
    justify-content: center;
  }
  .comment-form {
    flex-direction: column;
  }
  .comment-form-avatar {
    display: none;
  }
  .comment-form-body {
    align-items: stretch;
  }
  .comment-form-body .btn {
    align-self: flex-end;
  }
}

/* ═══════════════════════════════════════════════════════
   Article — Linked Drills Section
   ═══════════════════════════════════════════════════════ */

.article-drills {
    margin: 48px 0 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.article-drills__heading {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 28px;
    color: var(--text-primary);
    margin: 0 0 6px;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-drills__icon {
    color: var(--color-accent-text);
    font-size: 24px;
}

.article-drills__subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0 0 20px;
}

.article-drills__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.article-drill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all 0.2s;
}

.article-drill-card:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--color-accent-rgb), 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.article-drill-card__thumb {
    aspect-ratio: 16 / 9;
    background: var(--bg-sunken);
    overflow: hidden;
}

.article-drill-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.article-drill-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-drill-card__body {
    padding: 14px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-drill-card__title {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.3;
}

.article-drill-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin-bottom: 10px;
}

.article-drill-card__meta span {
    background: rgba(var(--ink-rgb), 0.06);
    color: var(--text-secondary);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
}

.article-drill-card__badge {
    background: rgba(var(--color-accent-rgb), 0.18) !important;
    color: var(--color-accent-text) !important;
    font-weight: 700;
}

.article-drill-card__stars {
    color: var(--color-warning) !important;
    background: transparent !important;
    padding: 0 !important;
}

.article-drill-card__desc {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
    margin: 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* Lightbox */
.article-drill-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1200; /* sopra l'header fisso */
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.article-drill-lightbox--open {
    display: flex;
}

.article-drill-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
}

.article-drill-lightbox__content {
    position: relative;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 24px;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.article-drill-lightbox__close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: transparent;
    border: none;
    color: #999;
    font-size: 28px;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
}

.article-drill-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.article-drill-lightbox__content img {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: 8px;
    background: #0d0d0d;
    margin-bottom: 16px;
    display: block;
}

.article-drill-lightbox__content h3 {
    color: #fff;
    font-size: 20px;
    margin: 0 0 10px;
}

#article-drill-lightbox-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

#article-drill-lightbox-meta span {
    background: rgba(255, 255, 255, 0.06);
    color: #ccc;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 12px;
}

#article-drill-lightbox-desc {
    color: #bbb;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Responsive */
@media (max-width: 640px) {
    .article-drills__grid {
        grid-template-columns: 1fr;
    }

    .article-drills__heading {
        font-size: 22px;
    }

    .article-drill-lightbox {
        padding: 10px;
    }

    .article-drill-lightbox__content {
        padding: 16px;
    }

    .article-drill-lightbox__content img {
        max-height: 250px;
    }
}

/* ============================================================
   22. ESPERIENZA DI APPRENDIMENTO (flusso W1-C)
   Barra laterale con stato reale dei moduli, striscia dei moduli
   su tablet e telefono, quiz unico con correzione dal server,
   completamento, navigazione tra moduli, invito a registrarsi,
   finestra del certificato, lettore audio.
   ============================================================ */

/* ── Barra laterale (desktop) ─────────────────────────────── */

.article-sidebar__category:hover {
  text-decoration: underline;
}

.article-sidebar__progress-text {
  white-space: nowrap;
}

.sidebar-modules__icon--unlocked {
  color: var(--color-accent-text);
}

.sidebar-modules__link--completed .sidebar-modules__number svg {
  display: block;
}

.sidebar-modules__link--active.sidebar-modules__link--completed {
  color: var(--color-accent-text);
}

.sidebar-modules__link--active.sidebar-modules__link--completed .sidebar-modules__number {
  background: var(--color-accent);
  color: #000;
}

.article-sidebar__cert {
  margin: var(--space-2);
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  background: rgba(var(--ink-rgb), 0.02);
}

.article-sidebar__cert-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.article-sidebar__cert .article-sidebar__progress-bar {
  flex: none;
  margin-bottom: 0.5rem;
}

.article-sidebar__cert-text {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.article-sidebar__cert-link {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-text);
}

/* ── Tablet e telefono: striscia orizzontale dei moduli ───── */

@media (max-width: 1024px) {
  .article-layout {
    flex-direction: column;
  }

  .article-sidebar {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: auto;
    max-height: none;
    transform: none;
    overflow: visible;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    z-index: 1;
  }

  .article-sidebar__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 1rem;
    padding: 0.75rem 1rem 0.5rem;
    border-bottom: none;
  }

  .article-sidebar__category {
    margin: 0;
  }

  .article-sidebar__title {
    margin: 0;
    font-size: 0.95rem;
  }

  .article-sidebar__progress {
    flex: 0 1 220px;
    margin: 0 0 0 auto;
  }

  .sidebar-modules {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    padding: 0 0.5rem;
    margin: 0;
  }

  .sidebar-modules::-webkit-scrollbar {
    display: none;
  }

  /* Sfumatura ai bordi: segnala che la striscia scorre */
  .sidebar-modules--fade-end {
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent);
    mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent);
  }

  .sidebar-modules--fade-start {
    -webkit-mask-image: linear-gradient(to right, transparent, #000 40px);
    mask-image: linear-gradient(to right, transparent, #000 40px);
  }

  .sidebar-modules--fade-start.sidebar-modules--fade-end {
    -webkit-mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent);
    mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent);
  }

  .sidebar-modules__item {
    flex: 0 0 auto;
    scroll-snap-align: start;
    border-bottom: none;
    border-right: 1px solid rgba(var(--ink-rgb), 0.06);
  }

  .sidebar-modules__item:last-child {
    border-right: none;
  }

  .sidebar-modules__link {
    min-height: 48px;
    padding: 0.55rem 0.8rem;
    gap: 0.5rem;
    font-size: 0.8rem;
    border-left: none;
    border-bottom: 3px solid transparent;
  }

  .sidebar-modules__link--active {
    border-left: none;
    border-bottom-color: var(--color-accent);
  }

  .sidebar-modules__number {
    width: 26px;
    height: 26px;
    font-size: 0.78rem;
  }

  .sidebar-modules__label {
    max-width: 170px;
  }

  .sidebar-modules__icon {
    margin-left: 0;
  }

  /* L'avanzamento verso il certificato e' gia' nel quiz e a fine modulo */
  .article-sidebar__cert {
    display: none;
  }

}

@media (max-width: 767px) {
  .article-sidebar__header {
    padding: 0.65rem 1rem 0.35rem;
  }

  .article-sidebar__progress {
    flex: 1 1 100%;
    margin: 0.15rem 0 0;
  }

  .sidebar-modules__link {
    padding: 0.5rem 0.65rem;
    font-size: 0.78rem;
  }

  .sidebar-modules__label {
    max-width: 112px;
  }
}

/* ── Intestazione del modulo ─────────────────────────────── */

.article-header .breadcrumb {
  margin-bottom: var(--space-2);
}

.article-meta__done {
  color: var(--color-accent-text);
  font-weight: 700;
}

/* Lettore audio: nota accanto al bottone (bottone nella sezione TTS PLAYER) */
.tts-launcher-note {
  flex: 1 1 220px;
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.tts-rate {
  flex-shrink: 0;
}

.tts-rate__select {
  min-height: 36px;
  padding: 0 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(var(--ink-rgb), 0.2);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.8rem;
}

/* ── Quiz di verifica (uno per modulo) ───────────────────── */

.quiz-block--v2 {
  margin: 3rem 0 2rem;
  padding: 0;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.article-content .quiz-block__heading {
  margin: 0;
  padding: 0;
  border: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  line-height: 1.3;
}

.quiz-block--v2 .quiz-block__header:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.quiz-block__status {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

.quiz-block--v2 .quiz-block__body[hidden] {
  display: none;
}

/* Regole in testa al quiz */
.quiz-block__rules {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.06);
  background: rgba(var(--ink-rgb), 0.02);
}

.article-content .quiz-block p {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.article-content .quiz-block .quiz-block__rules-title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.article-content .quiz-block__rules-list {
  margin: 0;
}

.article-content .quiz-block__rules-list li {
  margin-bottom: 0.4em;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.55;
}

.article-content .quiz-block__rules-list li::before {
  top: 0.6em;
  width: 5px;
  height: 5px;
}

.article-content .quiz-block .quiz-block__last,
.article-content .quiz-block .quiz-block__progress {
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(var(--ink-rgb), 0.04);
}

.article-content .quiz-block .quiz-block__notice--ok {
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.08);
  color: var(--text-primary);
}

/* Domande */
.article-content .quiz-block__questions {
  margin: 0;
  padding: 0;
}

.article-content .quiz-block__questions > li {
  margin: 0;
  padding: 1.25rem 1.5rem;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.article-content .quiz-block__questions > li::before {
  content: none;
}

.quiz-q__fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.quiz-q__fieldset > legend.quiz-q__text {
  display: block;
  width: 100%;
  padding: 0;
}

/* Il radio resta raggiungibile da tastiera e da lettore di schermo */
.quiz-q__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.quiz-q__opt:has(.quiz-q__input:focus-visible) {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.quiz-q__label {
  flex: 1;
  min-width: 0;
}

.quiz-q__mark {
  flex-shrink: 0;
  min-width: 1.25rem;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}

.quiz-q__mark:empty {
  display: none;
}

.quiz-q__opt--selected,
.quiz-q:not(.quiz-q--done) .quiz-q__opt:has(.quiz-q__input:checked) {
  border-color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.1);
  color: var(--text-primary);
}

.quiz-q__opt--selected .quiz-q__letter,
.quiz-q:not(.quiz-q--done) .quiz-q__opt:has(.quiz-q__input:checked) .quiz-q__letter {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--on-accent);
}

.quiz-q__fieldset:disabled .quiz-q__opt {
  cursor: default;
}

.quiz-q__fieldset:disabled .quiz-q__opt:hover {
  transform: none;
}

/* Durante l'attesa le domande si possono rileggere ma non rispondere */
.quiz-block--cooldown .quiz-q__opt {
  opacity: 0.7;
}

/* Esito: colore + icona + testo (non solo colore); colori in "Wrong answer" */
.quiz-q--missing {
  box-shadow: inset 3px 0 0 var(--color-premium);
  background: rgba(var(--color-warning-rgb), 0.06);
}

.quiz-q__feedback[hidden] {
  display: none;
}

.quiz-q--ko .quiz-q__feedback {
  border-left-color: var(--color-danger);
  background: rgba(var(--color-danger-rgb), 0.08);
}

.article-content .quiz-q__verdict--ok {
  color: var(--color-accent-text);
}

.article-content .quiz-q__verdict--ko {
  color: var(--color-danger);
}

/* Invio */
.quiz-block__actions[hidden] {
  display: none;
}

.quiz-block__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid rgba(var(--ink-rgb), 0.06);
}

.quiz-block__submit {
  min-height: 48px;
}

.quiz-block__submit[hidden] {
  display: none;
}

.article-content .quiz-block .quiz-block__hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-content .quiz-block .quiz-block__hint:empty {
  display: none;
}

.article-content .quiz-block .quiz-block__hint--error {
  color: var(--color-danger);
}

.article-content .quiz-block .quiz-block__hint--locked {
  color: var(--text-secondary);
}

/* Risultato */
/* Vuoto finche' non arriva l'esito, ma sempre nell'albero di accessibilita' (regione live) */
.quiz-block--v2 .quiz-block__result:empty {
  padding: 0;
  border: 0;
  background: none;
  animation: none;
}

.quiz-block--v2 .quiz-block__result:focus {
  outline: none;
}

.quiz-block--v2 .quiz-block__result:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.quiz-block__result--ko {
  background: rgba(var(--color-warning-rgb), 0.08);
  border-top-color: rgba(var(--color-warning-rgb), 0.3);
}

.article-content .quiz-block .quiz-block__score {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.quiz-block__score-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--on-accent);
  font-size: 1rem;
}

.quiz-block__result--ko .quiz-block__score-icon {
  background: rgb(var(--color-warning-rgb));
}

.article-content .quiz-block .quiz-block__line--strong {
  font-weight: 700;
  color: var(--text-primary);
}

.quiz-block__signup {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(var(--color-accent-rgb), 0.4);
  border-radius: var(--radius-lg);
  background: rgba(var(--color-accent-rgb), 0.08);
}

.article-content .quiz-block .quiz-block__signup-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.quiz-block__signup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

/* I bottoni-link nel contenuto non prendono lo stile dei link dell'articolo */
.article-content .btn {
  border-bottom-width: 2px;
}

.article-content .btn-accent,
.article-content .btn-accent:hover {
  color: #000;
}

.article-content .btn-outline,
.article-content .btn-outline:hover {
  color: var(--color-accent-text);
  border-bottom-color: var(--color-accent);
}

@media (max-width: 767px) {
  .quiz-block--v2 .quiz-block__header {
    flex-wrap: wrap;
    row-gap: 0.25rem;
  }

  .quiz-block__status {
    order: 5;
    flex-basis: 100%;
    padding-left: calc(20px + 0.6rem);
  }

  .quiz-block__rules,
  .quiz-block__actions,
  .quiz-block--v2 .quiz-block__result,
  .article-content .quiz-block__questions > li {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .quiz-block__submit {
    width: 100%;
  }
}

/* ── Completamento del modulo ────────────────────────────── */

.article-complete__state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.article-complete__state .article-complete__label {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.article-complete__done {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.6rem 1.25rem;
  border-radius: 100px;
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent-text);
  font-weight: 700;
}

.article-complete__btn:disabled {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}

.article-complete__error {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-danger);
}

/* ── Invito a registrarsi (chi non ha un account) ────────── */

.article-signup {
  box-sizing: border-box;
  width: calc(100% - 2 * var(--space-4));
  max-width: calc(720px - 2 * var(--space-4));
  margin: var(--space-4) auto 0;
  padding: 1.5rem;
  border: 1px solid rgba(var(--color-accent-rgb), 0.4);
  border-radius: var(--radius-lg);
  background: rgba(var(--color-accent-rgb), 0.07);
}

.article-signup__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.article-signup__text {
  margin: 0;
  color: var(--text-secondary);
}

.article-signup__list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.article-signup__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.article-signup__list svg {
  flex-shrink: 0;
  margin-top: 0.3em;
  color: var(--color-accent-text);
}

.article-signup__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

@media (min-width: 1200px) {
  .article-signup {
    width: calc(100% - 2 * var(--space-5));
    max-width: calc(720px - 2 * var(--space-5));
  }
}

@media (max-width: 767px) {
  .article-signup {
    width: calc(100% - 2.5rem);
    padding: 1.15rem;
  }

  .article-signup__title {
    font-size: 1.35rem;
  }

  .article-signup__actions .btn {
    flex: 1 1 100%;
  }
}

/* ── Navigazione tra moduli ──────────────────────────────── */

.article-nav__state {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.article-nav__link--next .article-nav__state {
  justify-content: flex-end;
}

.article-nav__state svg {
  flex-shrink: 0;
}

.article-nav__link--locked .article-nav__state {
  color: var(--color-premium);
  font-weight: 700;
}

.article-nav__link--locked .article-nav__title {
  color: var(--text-secondary);
}

.article-nav__end {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(var(--color-accent-rgb), 0.4);
  border-radius: var(--radius-md);
  background: rgba(var(--color-accent-rgb), 0.06);
}

.article-nav__end-title {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.article-nav__end-text,
.article-nav__end-cert {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.article-nav__end-cert {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-nav__end-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

@media (max-width: 767px) {
  .article-nav__link--next .article-nav__state {
    justify-content: flex-start;
  }
}

/* ── Finestra: certificato conquistato ───────────────────── */

.cert-dialog {
  width: min(460px, calc(100vw - 2rem));
  margin: auto;
  padding: 2rem 1.75rem 1.5rem;
  border: 1px solid rgba(var(--color-accent-rgb), 0.5);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  color: var(--text-primary);
  text-align: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

.cert-dialog::backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.cert-dialog__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: 0.75rem;
  border-radius: 50%;
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent-text);
}

.cert-dialog__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.cert-dialog__text {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.cert-dialog__text strong {
  color: var(--text-primary);
}

.cert-dialog__text--muted {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.cert-dialog__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.cert-dialog__actions .btn {
  min-height: 46px;
}

.cert-dialog__close-form {
  margin: 1rem 0 0;
}

.cert-dialog__close {
  min-height: 44px;
  padding: 0 1rem;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.9rem;
  text-decoration: underline;
  cursor: pointer;
}

.cert-dialog__close:hover {
  color: var(--text-primary);
}

/* ── Anteprima esercitazione: azioni ─────────────────────── */

.article-drill-lightbox__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-top: 1.25rem;
}

.article-drill-lightbox__note {
  font-size: 0.8rem;
  color: #999;
}

/* ── Sezioni dopo il contenuto: stessa colonna del testo ─── */

.article-nav,
.article-referral-bar,
.article-drills,
.article-comments {
  box-sizing: border-box;
  width: calc(100% - 2 * var(--space-4));
  max-width: calc(720px - 2 * var(--space-4));
  margin-left: auto;
  margin-right: auto;
}

.article-drills {
  padding-bottom: 0;
}

@media (min-width: 1200px) {
  .article-nav,
  .article-referral-bar,
  .article-drills,
  .article-comments {
    width: calc(100% - 2 * var(--space-5));
    max-width: calc(720px - 2 * var(--space-5));
  }
}

@media (max-width: 767px) {
  .article-nav,
  .article-referral-bar,
  .article-drills,
  .article-comments {
    width: calc(100% - 2.5rem);
  }
}

/* ── Schemi di campo (blocchi ```campo, core/FieldDiagram.php) ── */
.article-content .field-diagram {
  margin: 2rem 0;
  padding: 0;
}
.field-diagram__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.field-diagram__svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}
.article-content .field-diagram__caption {
  font-style: normal;
  text-align: left;
}
.field-diagram__caption {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
}
.field-diagram__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.field-diagram__key {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.field-diagram__dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.field-diagram__dot--a { background: #8fd14f; }
.field-diagram__dot--d { background: #e5484d; }
@media print {
  .field-diagram { break-inside: avoid; }
}

/* ── Quiz sotto la soglia del certificato: "Da ripassare" (ArticleController, quiz.php) ── */
.sidebar-modules__link--review .sidebar-modules__number {
  background: rgba(var(--color-warning-rgb), 0.16);
  color: var(--color-warning);
}
.sidebar-modules__link--review .sidebar-modules__number svg {
  display: block;
}
.sidebar-modules__link--active.sidebar-modules__link--review .sidebar-modules__number {
  background: var(--color-accent);
  color: var(--on-accent);
}
.article-meta__done--review {
  color: var(--color-warning);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-meta__done--review svg {
  vertical-align: -2px;
}
.article-complete__review {
  margin: 0;
  max-width: 46rem;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--color-warning);
  border-radius: var(--radius-md);
  background: rgba(var(--color-warning-rgb), 0.08);
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.55;
}
.article-content .quiz-block .quiz-block__notice--review {
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-warning);
  background: rgba(var(--color-warning-rgb), 0.08);
  color: var(--text-primary);
}
.quiz-block--review .quiz-block__status {
  color: var(--color-warning);
}
.quiz-q__reread {
  display: block;
  margin-top: 0.5rem;
  font-weight: 600;
}
.quiz-q__reread a {
  color: var(--color-accent-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-rating-msg,
.paywall-sim-note {
  margin: 0.75rem 0 0;
  padding: 0.6rem 0.85rem;
  border-left: 3px solid var(--color-warning);
  border-radius: var(--radius-md);
  background: rgba(var(--color-warning-rgb), 0.08);
  color: var(--text-primary);
  font-size: 0.9rem;
}
.paywall-sim-note {
  margin: 0 0 1rem;
}
.paywall-offer__btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ── Schemi di campo: ingrandimento a schermo intero (public/js/field-zoom.js) ── */
.field-diagram__frame {
  position: relative;
}
.field-diagram__frame .field-diagram__svg {
  cursor: zoom-in;
}
.field-diagram__zoom {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.4rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 100px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}
.field-diagram__zoom:hover {
  background: rgba(0, 0, 0, 0.78);
}
.field-diagram__zoom:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
html.field-zoom-open,
html.field-zoom-open body {
  overflow: hidden;
}
.field-zoom {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
}
.field-zoom[open] {
  display: flex;
  flex-direction: column;
}
.field-zoom::backdrop {
  background: rgba(0, 0, 0, 0.7);
}
.field-zoom__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem 0.5rem 1rem;
  padding-top: max(0.5rem, env(safe-area-inset-top));
  border-bottom: 1px solid var(--border-color);
}
.field-zoom__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.field-zoom__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.field-zoom__close:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.field-zoom__stage {
  position: relative;
  flex: 1;
  min-height: 0;
  margin: 0.5rem;
  margin-bottom: max(0.5rem, env(safe-area-inset-bottom));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.field-zoom__svg {
  display: block;
  max-width: none;
  border-radius: var(--radius-lg);
}
.field-zoom__svg--turned {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(90deg);
}
@media print {
  .field-diagram__zoom { display: none; }
}
.field-zoom__actions {
  display: flex;
  flex-shrink: 0;
  gap: 0.5rem;
}
.field-zoom__turn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.field-zoom__turn[aria-pressed="true"] {
  border-color: var(--color-accent);
}
.field-zoom__turn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}