/**
 * ITS Blog Manager — Main Stylesheet
 *
 * Stili per Archive (Bento + Focus) e Single Post.
 * Bridge-compatible: zero font-family, z-index alti per overlay.
 *
 * @package its-blog-manager
 */

/* ═══════════════════════════════════════════
   0. DESIGN TOKENS
   ═══════════════════════════════════════════ */

:root {
  --ibm-primary: #1a1a2e;
  --ibm-accent: #e94560;
  --ibm-accent-soft: #f8e8ec;
  --ibm-text: #2d2d2d;
  --ibm-text-light: #6c6c6c;
  --ibm-bg: #ffffff;
  --ibm-bg-alt: #f7f7f8;
  --ibm-card-radius: 12px;
  --ibm-card-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  --ibm-header-offset: 100px;
  --ibm-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════════
   1. WRAPPER (Archivio)
   ═══════════════════════════════════════════ */

.ibm-index-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px 60px;
  position: relative;
}

@media (max-width: 768px) {
  .ibm-index-wrapper { padding: 0 16px 40px; }
}

/* ═══════════════════════════════════════════
   2. TITLEBAR (Bridge-style)
   ═══════════════════════════════════════════ */

.ibm-titlebar {
  width: 100vw !important;
  max-width: 100vw !important;
  height: var(--ibm-tb-h-desk, 350px) !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  background-size: cover;
  background-position: center;
  background-color: var(--ibm-primary, #1a1a2e);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 5%;
  padding-top: var(--ibm-header-offset, 100px);
  margin-bottom: 40px;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .ibm-titlebar {
    height: var(--ibm-tb-h-mob, 250px) !important;
  }
}

.ibm-titlebar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, var(--ibm-tb-opacity, 0.3)) !important;
}

.ibm-titlebar-inner {
  position: relative;
  z-index: 2;
}

.ibm-titlebar h1 {
  color: #ffffff !important;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  text-transform: uppercase;
  margin: 0;
  letter-spacing: 0.02em;
}

/* Toolbar (switcher + bookmarks) */
.ibm-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 16px 0;
  margin-bottom: 10px;
}

/* Layout Switcher */
.ibm-layout-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ibm-layout-btn,
.ibm-bookmarks-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: transparent;
  color: var(--ibm-text-light);
  cursor: pointer;
  transition: all var(--ibm-transition);
}

.ibm-layout-btn:hover,
.ibm-bookmarks-btn:hover {
  background: var(--ibm-bg-alt);
  color: var(--ibm-primary);
  border-color: rgba(0, 0, 0, 0.15);
}

.ibm-layout-btn.is-active {
  background: var(--ibm-primary);
  color: #fff;
  border-color: var(--ibm-primary);
}

.ibm-bookmarks-btn.has-items {
  color: var(--ibm-accent);
  border-color: var(--ibm-accent);
}

/* Pill sito */
.ibm-pill-site {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ibm-text-light);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 50px;
  transition: all var(--ibm-transition);
}

.ibm-pill-site:hover {
  background: var(--ibm-primary);
  color: #fff;
  border-color: var(--ibm-primary);
}

@media (max-width: 768px) {
  .ibm-custom-header__inner { gap: 12px; }
  .ibm-pill-site { display: none; }
  .ibm-custom-header__title-bold,
  .ibm-custom-header__title-light { font-size: 1.2rem; }
}

/* ═══════════════════════════════════════════
   3. DASHBOARD FILTRI (Layout Focus)
   ═══════════════════════════════════════════ */

.ibm-dashboard {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
  padding: 0 20px;
}

[data-layout="layout-focus"] .ibm-dashboard {
  display: flex;
}

/* Search */
.ibm-search-wrap {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.ibm-search-input {
  width: 100%;
  padding: 15px 50px 15px 20px !important;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: 30px;
  font-size: 0.95rem;
  color: var(--ibm-text);
  background: var(--ibm-bg);
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--ibm-transition), box-shadow var(--ibm-transition);
}

.ibm-search-input:focus {
  border-color: var(--ibm-accent);
  box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.1);
}

.ibm-search-input::placeholder {
  color: var(--ibm-text-light);
  opacity: 0.6;
}

.ibm-search-btn {
  position: absolute !important;
  right: 10px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent !important;
  color: var(--ibm-primary);
  border: none !important;
  border-radius: 50%;
  cursor: pointer;
  transition: color var(--ibm-transition);
}

.ibm-search-btn:hover {
  color: var(--ibm-accent);
}

/* Filter Pills */
.ibm-filter-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.ibm-pill {
  padding: 8px 18px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50px;
  background: transparent;
  color: var(--ibm-text);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ibm-transition);
}

.ibm-pill:hover {
  border-color: var(--ibm-accent);
  color: var(--ibm-accent);
}

.ibm-pill.is-active {
  background: var(--ibm-primary);
  color: #fff;
  border-color: var(--ibm-primary);
}

/* Tag Cloud */
.ibm-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.ibm-tag {
  padding: 5px 12px;
  border: none;
  border-radius: 6px;
  background: var(--ibm-bg-alt);
  color: var(--ibm-text-light);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ibm-transition);
}

.ibm-tag:hover,
.ibm-tag.is-active {
  background: var(--ibm-accent-soft);
  color: var(--ibm-accent);
}

/* ═══════════════════════════════════════════
   4. OFF-CANVAS FILTRI (Layout Bento)
   ═══════════════════════════════════════════ */

.ibm-offcanvas {
  position: fixed;
  top: 0;
  right: -380px;
  width: 360px;
  height: 100vh;
  background: var(--ibm-bg);
  box-shadow: -6px 0 30px rgba(0, 0, 0, 0.12);
  z-index: 10001;
  transition: right var(--ibm-transition);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  box-sizing: border-box !important;
  padding: calc(var(--ibm-header-offset, 100px) + 20px) 30px 30px 30px !important;
}

.ibm-offcanvas * {
  box-sizing: border-box !important;
}

.ibm-offcanvas input[type="search"],
.ibm-offcanvas input[type="text"] {
  max-width: 100% !important;
  width: 100% !important;
}

.ibm-offcanvas.is-open {
  right: 0;
}

.ibm-offcanvas__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
}

.ibm-offcanvas__header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ibm-primary);
}

.ibm-offcanvas__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--ibm-bg-alt);
  border-radius: 50%;
  font-size: 1.3rem;
  color: var(--ibm-text);
  cursor: pointer;
  transition: all var(--ibm-transition);
}

.ibm-offcanvas__close:hover {
  background: var(--ibm-accent);
  color: #fff;
}

.ibm-offcanvas__body {
  padding: 20px 28px 40px;
  flex: 1;
  overflow-y: auto;
}

.ibm-offcanvas__body h4 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ibm-text-light);
  margin: 24px 0 12px;
}

.ibm-offcanvas__body h4:first-of-type {
  margin-top: 0;
}

.ibm-offcanvas__body .ibm-search-wrap {
  max-width: 100%;
  margin-bottom: 20px;
}

.ibm-offcanvas__body .ibm-search-input {
  border-radius: 10px;
  padding: 12px 18px;
}

.ibm-offcanvas__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ibm-offcanvas-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--ibm-text);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ibm-transition);
  text-align: left;
}

.ibm-offcanvas-pill:hover {
  background: var(--ibm-bg-alt);
}

.ibm-offcanvas-pill.is-active {
  background: var(--ibm-accent-soft);
  color: var(--ibm-accent);
  font-weight: 700;
}

.ibm-offcanvas-count {
  font-size: 0.72rem;
  color: var(--ibm-text-light);
  background: var(--ibm-bg-alt);
  padding: 2px 8px;
  border-radius: 50px;
  min-width: 20px;
  text-align: center;
}

.ibm-offcanvas-pill.is-active .ibm-offcanvas-count {
  background: var(--ibm-accent);
  color: #fff;
}

/* Overlay */
.ibm-offcanvas-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--ibm-transition), visibility var(--ibm-transition);
}

.ibm-offcanvas-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 600px) {
  .ibm-offcanvas {
    width: 100%;
    right: -100%;
  }
}

/* ═══════════════════════════════════════════
   5. FAB (Floating Action Button)
   ═══════════════════════════════════════════ */

.ibm-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transition: all var(--ibm-transition);
  z-index: 9999;
}

.ibm-fab--filter {
  background: var(--ibm-primary);
  color: #fff;
  display: none;
}

[data-layout="layout-bento"] .ibm-fab--filter {
  display: flex;
}

.ibm-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .ibm-fab { bottom: 20px; right: 20px; }
}

/* ═══════════════════════════════════════════
   6. MAIN CONTENT
   ═══════════════════════════════════════════ */

.ibm-main-content {
  min-height: 40vh;
}

/* Animazione fade-in per contenuto AJAX */
.ibm-main-content .ibm-results-wrapper {
  animation: ibmFadeIn 0.35s ease;
}

@keyframes ibmFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════ */
/* ═══════════════════════════════════════════ */
/*                SINGLE POST                  */
/* ═══════════════════════════════════════════ */
/* ═══════════════════════════════════════════ */

/* ═══════════════════════════════════════════
   7. READING PROGRESS BAR
   ═══════════════════════════════════════════ */

.ibm-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--ibm-accent), #ff6b8a);
  z-index: 99999;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ═══════════════════════════════════════════
   8. SINGLE LAYOUT
   ═══════════════════════════════════════════ */

.ibm-single-layout {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px 60px;
  padding-top: calc(var(--ibm-header-offset, 100px) + 40px);
}

/* Single Header (back link + logo) */
.ibm-single-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.ibm-single-header__back {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ibm-text-light);
  text-decoration: none;
  transition: color var(--ibm-transition);
}

.ibm-single-header__back:hover {
  color: var(--ibm-accent);
}

.ibm-custom-logo--small img {
  max-height: 30px;
  width: auto;
}

/* ═══════════════════════════════════════════
   9. ARTICLE HEADER
   ═══════════════════════════════════════════ */

.ibm-single-article__header {
  margin-bottom: 32px;
}

.ibm-single-badges {
  display: flex !important;
  align-items: center !important;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.ibm-single-badges .ibm-badge {
  position: static;
}

.ibm-single-keyword {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ibm-accent);
  opacity: 0.85;
  margin: 0 !important;
  line-height: 1 !important;
  display: flex;
  align-items: center;
}

.ibm-article-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--ibm-primary);
  margin: 0 0 20px;
}

@media (max-width: 768px) {
  .ibm-article-title {
    font-size: clamp(24px, 7vw, 36px);
  }
}

.ibm-single-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 0.82rem;
  color: var(--ibm-text-light);
}

.ibm-single-meta__reading::before {
  content: '·';
  margin-right: 16px;
}

/* ═══════════════════════════════════════════
   10. SOCIAL BAR
   ═══════════════════════════════════════════ */

.ibm-social-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.ibm-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: transparent;
  color: var(--ibm-text-light);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--ibm-transition);
}

.ibm-social-btn:hover {
  transform: translateY(-2px);
}

.ibm-social-btn--fb:hover  { background: #1877f2; color: #fff; border-color: #1877f2; }
.ibm-social-btn--tw:hover  { background: #000; color: #fff; border-color: #000; }
.ibm-social-btn--li:hover  { background: #0a66c2; color: #fff; border-color: #0a66c2; }
.ibm-social-btn--save:hover,
.ibm-social-btn--save.is-saved {
  background: var(--ibm-accent);
  color: #fff;
  border-color: var(--ibm-accent);
}

.ibm-social-btn--save.is-saved svg {
  fill: currentColor;
}

/* ═══════════════════════════════════════════
   11. COVER IMAGE
   ═══════════════════════════════════════════ */

.ibm-single-cover {
  margin: 0 -24px 36px;
  border-radius: var(--ibm-card-radius);
  overflow: hidden;
}

.ibm-single-cover__img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 769px) {
  .ibm-single-cover {
    margin-left: -60px;
    margin-right: -60px;
  }
}

/* ═══════════════════════════════════════════
   12. ARTICLE CONTENT
   ═══════════════════════════════════════════ */

.ibm-single-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ibm-text);
}

.ibm-single-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ibm-primary);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ibm-accent-soft);
}

.ibm-single-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ibm-primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.ibm-single-content p {
  margin-bottom: 1.5em;
}

.ibm-single-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--ibm-card-radius);
  margin: 24px 0;
}

.ibm-single-content a {
  color: var(--ibm-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ibm-single-content a:hover {
  text-decoration-thickness: 2px;
}

.ibm-single-content blockquote {
  border-left: 4px solid var(--ibm-accent);
  margin: 32px 0;
  padding: 16px 24px;
  background: var(--ibm-bg-alt);
  border-radius: 0 var(--ibm-card-radius) var(--ibm-card-radius) 0;
  font-style: italic;
  color: var(--ibm-text-light);
}

.ibm-single-content ul,
.ibm-single-content ol {
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}

.ibm-single-content li {
  margin-bottom: 0.5em;
}

/* Extra Content & Modular Box */
.ibm-post-modules {
  background-color: #f8fafc;
  border-radius: 16px;
  padding: 40px;
  margin: 60px 0;
  border: 1px solid #f1f5f9;
}

.ibm-post-modules > h2:first-child,
.ibm-post-modules > h3:first-child {
  margin-top: 0 !important;
  margin-bottom: 25px;
}

.ibm-single-extra {
  /* Inherits styles from .ibm-post-modules */
}


/* ═══════════════════════════════════════════
   14. FAQ ACCORDION
   ═══════════════════════════════════════════ */

.ibm-single-faq {
  /* Inherits styles from .ibm-post-modules */
}

.ibm-single-faq > h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ibm-primary);
  margin-bottom: 20px;
}

.ibm-faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ibm-faq-item {
  background-color: #ffffff;
  border-radius: 8px;
  margin-bottom: 10px;
  padding: 15px 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
  overflow: hidden;
  transition: background var(--ibm-transition);
}

.ibm-faq-item[open] {
  background-color: #ffffff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
}

.ibm-faq-item__question,
.ibm-faq-question {
  border: none !important;
  padding: 0 !important;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ibm-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--ibm-transition);
}

.ibm-faq-item__question::-webkit-details-marker {
  display: none;
}

.ibm-faq-item__question::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--ibm-accent);
  flex-shrink: 0;
  transition: transform var(--ibm-transition);
}

.ibm-faq-item[open] .ibm-faq-item__question::after {
  content: '−';
  transform: rotate(180deg);
}

.ibm-faq-item__question:hover {
  color: var(--ibm-accent);
}

.ibm-faq-item__answer {
  padding: 12px 0 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ibm-text);
}

.ibm-faq-item__answer p {
  margin: 0 0 0.8em;
}

.ibm-faq-item__answer p:last-child {
  margin-bottom: 0;
}

/* ═══════════════════════════════════════════
   15. TAGS
   ═══════════════════════════════════════════ */

.ibm-single-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.ibm-single-tag {
  padding: 5px 14px;
  border-radius: 50px;
  background: var(--ibm-bg-alt);
  color: var(--ibm-text-light);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--ibm-transition);
}

.ibm-single-tag:hover {
  background: var(--ibm-accent-soft);
  color: var(--ibm-accent);
}

/* ═══════════════════════════════════════════
   16. ARTICOLI CORRELATI
   ═══════════════════════════════════════════ */

.ibm-related-posts { margin-top: 60px; padding-top: 40px; border-top: 1px solid #e2e8f0; }
.ibm-related-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 25px; color: #1a1a2e; }
.ibm-related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }

.ibm-related-card { text-decoration: none !important; display: flex; flex-direction: column; gap: 12px; transition: transform 0.2s ease; }
.ibm-related-card:hover { transform: translateY(-3px); }
.ibm-related-image { border-radius: 8px; overflow: hidden; aspect-ratio: 16/9; background: #f1f5f9; }
.ibm-related-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ibm-related-content { display: flex; flex-direction: column; gap: 8px; }
.ibm-related-cat { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; color: var(--ibm-accent, #ef4444); }
.ibm-related-post-title { font-size: 1.1rem; line-height: 1.3; font-weight: 600; color: #1a1a2e; margin: 0; word-break: break-word; overflow-wrap: break-word; hyphens: auto; }

/* ═══════════════════════════════════════════
   17. UTILITY / PRINT
   ═══════════════════════════════════════════ */

@media print {
  .ibm-reading-progress,
  .ibm-social-bar,
  .ibm-single-header,
  .ibm-fab,
  .ibm-offcanvas,
  .ibm-offcanvas-overlay,
  .ibm-layout-switcher,
  .ibm-pill-site,
  .ibm-related-posts,
  .ibm-load-more-wrap { display: none !important; }

  .ibm-single-cover { margin: 0; }
  .ibm-single-layout { max-width: 100%; padding: 0; }
}