/* ============================
   SKELETON LOADER
   ============================ */
.skel-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  overflow: hidden;
}
.skel-line {
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: skelShimmer 1.5s ease-in-out infinite;
  margin-bottom: 10px;
}
.skel-line.w60 { width: 60%; }
.skel-line.w80 { width: 80%; }
.skel-line.w40 { width: 40%; }
.skel-line.h20 { height: 20px; }
@keyframes skelShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================
   BREADCRUMB
   ============================ */
.blog-breadcrumb {
  padding: 90px 0 0;
  background: var(--bg);
}
.blog-breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.blog-breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.2s;
}
.blog-breadcrumb a:hover { opacity: 0.7; }
.blog-breadcrumb svg { color: var(--text2); flex-shrink: 0; }
.blog-breadcrumb span {
  font-size: 13px;
  color: var(--text2);
}
.blog-breadcrumb span:last-child {
  color: var(--text);
  font-weight: 500;
}

/* ============================
   BLOG LAYOUT
   ============================ */
.blog-layout {
  padding: 48px 0 80px;
}
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 60px;
  align-items: flex-start;
}

/* ============================
   MAIN ARTICLE
   ============================ */
.blog-main {
  min-width: 0;
}

/* Header */
.blog-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.blog-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--cat-color, var(--cyan));
}
.blog-cat-badge .cat-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.blog-read-time {
  font-size: 13px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 6px;
}
.blog-date {
  font-size: 13px;
  color: var(--text2);
}

.blog-header h1 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.blog-header .blog-summary {
  font-size: 18px;
  color: var(--text2);
  line-height: 1.65;
}

/* Body content */
.blog-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: #fff;
  position: relative;
  padding-left: 18px;
}
.blog-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--cat-color, var(--cyan));
}

.blog-body p {
  font-size: 16px;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 16px;
}

.blog-body ul, .blog-body ol {
  padding: 0;
  margin: 0 0 20px;
  list-style: none;
}
.blog-body ul li, .blog-body ol li {
  position: relative;
  padding-left: 28px;
  font-size: 16px;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 8px;
}
.blog-body ul li::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cat-color, var(--cyan));
  opacity: 0.5;
}
.blog-body ol { counter-reset: steps; }
.blog-body ol li { counter-increment: steps; }
.blog-body ol li::before {
  content: counter(steps);
  position: absolute;
  left: 0; top: 2px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0,229,255,0.1);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tip box */
.blog-tip {
  background: rgba(0,229,255,0.04);
  border: 1px solid rgba(0,229,255,0.1);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 24px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.blog-tip-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(0,229,255,0.1);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}
.blog-tip-text {
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
}
.blog-tip-text strong {
  color: var(--cyan);
}

/* Warning box */
.blog-warning {
  background: rgba(255,109,0,0.04);
  border: 1px solid rgba(255,109,0,0.12);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 24px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.blog-warning .blog-tip-icon {
  background: rgba(255,109,0,0.1);
  color: var(--orange);
}

/* Share / actions bar */
.blog-actions {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.blog-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.blog-tag {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text2);
}
.blog-share {
  display: flex;
  align-items: center;
  gap: 12px;
}
.blog-share-label {
  font-size: 13px;
  color: var(--text2);
}
.blog-share-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.blog-share-btn:hover {
  color: var(--cyan);
  border-color: rgba(0,229,255,0.2);
  background: rgba(0,229,255,0.05);
}

/* Prev / Next navigation */
.blog-nav {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.blog-nav-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  text-decoration: none;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.blog-nav-item:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.blog-nav-item.next { text-align: right; }
.blog-nav-dir {
  font-size: 12px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.blog-nav-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

/* ============================
   SIDEBAR
   ============================ */
.blog-sidebar {
  position: sticky;
  top: 100px;
}

/* Table of contents */
.blog-toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.blog-toc-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text2);
  margin-bottom: 16px;
}
.blog-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.blog-toc-list li {
  margin-bottom: 2px;
}
.blog-toc-list a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text2);
  text-decoration: none;
  transition: all 0.2s;
  border-left: 2px solid transparent;
}
.blog-toc-list a:hover {
  color: #fff;
  background: rgba(255,255,255,0.03);
}
.blog-toc-list a.active {
  color: var(--cyan);
  background: rgba(0,229,255,0.05);
  border-left-color: var(--cyan);
}

/* Category card in sidebar */
.blog-sb-cat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.blog-sb-cat-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text2);
  margin-bottom: 16px;
}
.blog-sb-cat-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.blog-sb-cat-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text2);
  text-decoration: none;
  transition: all 0.2s;
}
.blog-sb-cat-list a:hover {
  color: #fff;
  background: rgba(255,255,255,0.03);
}
.blog-sb-cat-list a.active {
  color: #fff;
  background: rgba(255,255,255,0.05);
}
.blog-sb-cat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.blog-sb-cat-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--text2);
  background: rgba(255,255,255,0.04);
  padding: 2px 8px;
  border-radius: 10px;
}

/* Help box */
.blog-sb-help {
  background: linear-gradient(135deg, rgba(0,229,255,0.06), rgba(124,77,255,0.06));
  border: 1px solid rgba(0,229,255,0.1);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}
.blog-sb-help h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.blog-sb-help p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.5;
  margin-bottom: 16px;
}
.blog-sb-help-btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.2);
  color: var(--cyan);
  text-decoration: none;
  transition: all 0.25s;
}
.blog-sb-help-btn:hover {
  background: rgba(0,229,255,0.15);
  box-shadow: 0 0 20px rgba(0,229,255,0.1);
}

/* ============================
   RELATED
   ============================ */
.blog-related {
  padding: 60px 0 80px;
  border-top: 1px solid var(--border);
}
.blog-related h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
}
.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Reuse article card style from assistenza.css */
.blog-related .hc-article-card {
  animation: none;
  opacity: 1;
  transform: none;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 960px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .blog-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .blog-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-breadcrumb { padding: 80px 0 0; }
  .blog-breadcrumb .container { font-size: 12px; }
  .blog-layout { padding: 32px 0 60px; }
  .blog-header h1 { font-size: 24px; }
  .blog-header .blog-summary { font-size: 15px; }
  .blog-body h2 { font-size: 19px; margin: 30px 0 12px; }
  .blog-body p { font-size: 15px; }
  .blog-body ul li, .blog-body ol li { font-size: 15px; }
  .blog-tip { padding: 16px 18px; }
  .blog-warning { padding: 16px 18px; }
  .blog-nav-item { padding: 16px 18px; }
  .blog-related { padding: 40px 0 60px; }
  .blog-related h2 { font-size: 20px; }
}

@media (max-width: 600px) {
  .blog-sidebar {
    grid-template-columns: 1fr;
  }
  .blog-related-grid {
    grid-template-columns: 1fr;
  }
  .blog-nav {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .blog-header h1 { font-size: 22px; }
  .blog-body p { font-size: 14px; }
  .blog-actions { flex-direction: column; align-items: flex-start; }
}