@charset "utf-8";
/* ════════════════════════════════════════════════
   BLOG DETAIL – DESIGN BRIDGE + FULLY RESPONSIVE
   ════════════════════════════════════════════════ */

:root {
  --blog-primary:       var(--md-primary);
  --blog-primary-light: var(--md-primary-light);
  --blog-primary-dark:  var(--md-primary-dark);
  --blog-primary-bg:    var(--md-background);
  --blog-border:        var(--md-secondary-light);
  --blog-surface:       var(--md-surface);
  --blog-text:          var(--md-on-background);
  --blog-muted:         var(--md-secondary);

  --tag-green-bg:#e1f5ee;  --tag-green-txt:#085041;
  --tag-blue-bg:#e6f1fb;   --tag-blue-txt:#185fa5;
  --tag-amber-bg:#faeeda;  --tag-amber-txt:#854f0b;
  --tag-coral-bg:#faece7;  --tag-coral-txt:#993c1d;
  --tag-purple-bg:#eeedfe; --tag-purple-txt:#534ab7;

  --blog-radius-sm: var(--border-radius-sm);
  --blog-radius-md: var(--border-radius-md);
  --blog-radius-lg: var(--border-radius-lg);
  --blog-shadow-sm: var(--shadow-sm);
  --blog-shadow-md: var(--shadow-md);
}

/* base responsive adjustments */
body {
  overflow-x: hidden;
}

.blog-detail-page {
  font-family: Roboto, sans-serif;
  color: var(--blog-text);
  background: var(--md-surface);
  line-height: 1.6;
}

/* ─── PROGRESS BAR ─── */
.progress-bar { position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 2000; }
.progress-bar .bar { height: 150%; background: linear-gradient(90deg, var(--md-primary-dark), var(--md-primary-light)); width: 0%; transition: width .1s linear; }

/* ─── BREADCRUMB (responsive) ─── */
.blog-breadcrumb {
  background: var(--md-background);
  border-bottom: 1px solid var(--blog-border);
  padding: 10px 0;
}
.blog-breadcrumb .breadcrumb-content {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--blog-muted);
  flex-wrap: wrap;
  white-space: normal;
}
.blog-breadcrumb a {
  color: var(--md-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: var(--transition);
}
.blog-breadcrumb a:hover { color: var(--md-primary-light); }
.blog-breadcrumb .material-icons { font-size: 15px; }
.blog-breadcrumb .current {
  color: var(--blog-text);
  font-weight: 500;
  /*max-width: 280px;*/
  white-space: normal;
  word-break: break-word;
  overflow: visible;
  text-overflow: unset;
}

/* ─── ARTICLE LAYOUT (fully responsive) ─── */
.article-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 16px 64px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* ─── ARTICLE HEADER (mobile optimized) ─── */
.article-header { margin-bottom: 32px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tag { font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 3px 9px; border-radius: 100px; }
.tag-green  { background: var(--tag-green-bg);  color: var(--tag-green-txt); }
.tag-blue   { background: var(--tag-blue-bg);   color: var(--tag-blue-txt); }
.tag-amber  { background: var(--tag-amber-bg);  color: var(--tag-amber-txt); }
.tag-purple { background: var(--tag-purple-bg); color: var(--tag-purple-txt); }
.tag-coral  { background: var(--tag-coral-bg);  color: var(--tag-coral-txt); }

.article-header h1 {
  font-family: Montserrat, sans-serif;
  font-size: clamp(1.6rem, 5vw, 2.125rem);
  font-weight: 800;
  color: var(--blog-text);
  line-height: 1.2;
  margin-bottom: 14px;
}
.article-lede {
  font-family: 'Lora', serif;
  font-size: clamp(0.95rem, 3vw, 1.0625rem);
  color: var(--blog-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}
.meta-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--blog-border);
  border-bottom: 1px solid var(--blog-border);
  flex-wrap: wrap;
  row-gap: 10px;
}
.author-block { display: flex; align-items: center; gap: 10px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--blog-primary-bg); color: var(--md-primary); font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.author-info .name { font-size: 14px; font-weight: 600; color: var(--blog-text); }
.author-info .role { font-size: 12px; color: var(--blog-muted); }
.meta-sep { color: var(--blog-border); }
.meta-item { display: flex; align-items: center; gap: 5px; font-size: 13px; color: var(--blog-muted); }
.meta-item .material-icons { font-size: 15px; }
.meta-actions { display: flex; gap: 8px; margin-left: auto; }
.action-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 13px;
  border-radius: var(--blog-radius-sm);
  border: 1.5px solid var(--blog-border);
  background: var(--md-surface);
  font-size: 13px;
  font-weight: 500;
  color: var(--blog-text);
  cursor: pointer;
  text-decoration: none;
  font-family: Roboto, sans-serif;
  transition: var(--transition);
}
.action-btn .material-icons { font-size: 15px; }
.action-btn:hover { border-color: var(--md-primary); color: var(--md-primary); background: var(--blog-primary-bg); }
.action-btn.active { background: var(--blog-primary-bg); color: var(--md-primary); border-color: var(--md-primary); }

/* ─── HERO IMAGE (responsive) ─── */
.article-hero {
  width: 100%;
  height: clamp(200px, 40vw, 300px);
  border-radius: var(--blog-radius-lg);
  background: linear-gradient(135deg, var(--md-primary-dark), var(--md-primary), var(--md-primary-light));
  margin: 28px 0;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-hero .hp { position: absolute; inset: 0; opacity: .06; background-image: repeating-linear-gradient(45deg,#fff 0,#fff 1px,transparent 0,transparent 50%); background-size: 20px 20px; }
.article-hero .hero-code {
  z-index: 1;
  font-family: 'Courier New', monospace;
  font-size: clamp(9px, 2.5vw, 13px);
  color: rgba(255,255,255,.5);
  line-height: 1.85;
  padding: 0 16px;
  text-align: left;
  max-width: 500px;
  width: 100%;
}
.article-hero .hero-code .hl  { color: rgba(255,255,255,.9); }
.article-hero .hero-code .hl2 { color: var(--md-secondary-light); }
.article-hero .hero-code .comment { color: rgba(255,255,255,.3); font-style: italic; }
.article-hero .hero-code .k { color: rgba(255,255,255,.75); }
.article-hero .hero-code .v { color: #f9c74f; }
.article-hero .hero-code .p { color: rgba(255,255,255,.6); }

/* ─── INLINE TOC (mobile-friendly) ─── */
.inline-toc {
  background: var(--md-background);
  border: 1px solid var(--blog-border);
  border-left: 3px solid var(--md-primary);
  border-radius: 0 var(--blog-radius-md) var(--blog-radius-md) 0;
  padding: 20px 20px;
  margin: 28px 0;
}
.toc-head { font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--blog-muted); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.toc-head .material-icons { font-size: 15px; color: var(--md-primary); }
.inline-toc ol { list-style: none; counter-reset: itoc; display: flex; flex-direction: column; gap: 8px; margin: 0; padding-left: 0; }
.inline-toc ol li { counter-increment: itoc; }
.inline-toc ol li a { display: flex; align-items: flex-start; gap: 8px; text-decoration: none; font-size: 13px; color: var(--blog-text); transition: var(--transition); }
.inline-toc ol li a::before { content: counter(itoc, decimal-leading-zero); font-size: 11px; font-weight: 700; color: var(--md-primary-light); flex-shrink: 0; padding-top: 2px; }
.inline-toc ol li a:hover { color: var(--md-primary); }

/* ─── ARTICLE BODY (responsive typography) ─── */
.article-body { font-size: clamp(0.9375rem, 2.5vw, 1rem); line-height: 1.75; color: var(--blog-text); }
.article-body h2 {
  font-family: Montserrat, sans-serif;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 700;
  color: var(--blog-text);
  margin: 44px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--blog-border);
  scroll-margin-top: 80px;
}
.article-body h3 {
  font-family: Montserrat, sans-serif;
  font-size: clamp(1rem, 3vw, 1.125rem);
  font-weight: 600;
  color: var(--blog-text);
  margin: 28px 0 10px;
  scroll-margin-top: 80px;
}
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; display: flex; flex-direction: column; gap: 8px; }
.article-body li { font-size: 1em; }
.article-body strong { font-weight: 600; color: var(--md-on-background); }
.article-body a { color: var(--md-primary); text-decoration: underline; text-decoration-color: var(--md-secondary-light); word-break: break-word; }
.article-body a:hover { color: var(--md-primary-light); }
.article-body code { font-family: 'Courier New', monospace; font-size: .875em; background: var(--md-background); color: var(--md-primary-dark); padding: 1px 5px; border-radius: 3px; word-break: break-word; }
.article-body hr { border: none; border-top: 1px solid var(--blog-border); margin: 36px 0; }

/* ─── CALLOUTS (responsive) ─── */
.callout { border-radius: var(--blog-radius-md); padding: 16px 16px; margin: 24px 0; display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.callout .material-icons { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.callout strong { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.callout p { font-size: 13px; line-height: 1.6; margin: 0; }
.callout.info { background: #eff6ff; border: 1px solid #bfdbfe; }
.callout.info .material-icons, .callout.info strong { color: #1e40af; }
.callout.info p { color: #1d4ed8; }
.callout.success { background: var(--md-background); border: 1px solid var(--md-secondary-light); }
.callout.success .material-icons, .callout.success strong { color: var(--md-primary); }
.callout.success p { color: var(--md-primary-dark); }
.callout.warning { background: #fef9ec; border: 1px solid #fcd34d; }
.callout.warning .material-icons, .callout.warning strong { color: #854f0b; }
.callout.warning p { color: #92400e; }

/* ─── CODE BLOCK (responsive scrolling) ─── */
.code-block { background: #111827; border-radius: var(--blog-radius-md); margin: 24px 0; overflow-x: auto; }
.code-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: #0d1117; border-bottom: 1px solid rgba(255,255,255,.06); flex-wrap: wrap; gap: 8px; }
.code-header .lang { font-size: 12px; color: rgba(255,255,255,.35); font-family: Roboto, sans-serif; display: flex; align-items: center; gap: 6px; }
.code-header .lang span { width: 10px; height: 10px; border-radius: 50%; background: var(--md-primary-light); display: inline-block; }
.copy-btn { display: flex; align-items: center; gap: 4px; background: none; border: none; cursor: pointer; font-size: 12px; color: rgba(255,255,255,.4); font-family: Roboto, sans-serif; transition: var(--transition); padding: 4px 8px; border-radius: var(--blog-radius-sm); }
.copy-btn:hover { color: rgba(255,255,255,.85); background: rgba(255,255,255,.06); }
.copy-btn .material-icons { font-size: 14px; }
.copy-btn.copied { color: var(--md-primary-light); }
pre { padding: 20px; overflow-x: auto; font-family: 'Courier New', monospace; font-size: 12px; line-height: 1.75; color: #9ecfb8; margin: 0; white-space: pre-wrap; word-break: break-word; }
pre .k  { color: #7ec8a4; }
pre .v  { color: #f9c74f; }
pre .s  { color: #c9d1d9; }
pre .cm { color: #4b5563; font-style: italic; }
pre .p  { color: #c9d1d9; }
pre .hl  { color: #7ec8a4; }
pre .hl2 { color: var(--md-secondary-light); }
pre .comment { color: rgba(255,255,255,.3); font-style: italic; }

/* ─── KEY POINTS (responsive) ─── */
.key-points { background: var(--md-surface); border: 1px solid var(--blog-border); border-radius: var(--blog-radius-lg); padding: 20px 20px; margin: 28px 0; box-shadow: var(--blog-shadow-sm); }
.key-points-head { font-family: Montserrat, sans-serif; font-size: .9375rem; font-weight: 700; color: var(--blog-text); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.key-points-head .material-icons { font-size: 18px; color: var(--md-primary); }
.key-points ul { list-style: none; padding-left: 0; display: flex; flex-direction: column; gap: 10px; }
.key-points ul li { display: flex; align-items: flex-start; gap: 10px; font-size: .9375rem; color: var(--blog-text); }
.key-points ul li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--md-primary-light); flex-shrink: 0; margin-top: 8px; }

/* ─── AUTHOR BIO (responsive) ─── */
.author-bio { background: var(--md-surface); border: 1px solid var(--blog-border); border-radius: var(--blog-radius-lg); padding: 20px; margin-top: 48px; display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap; box-shadow: var(--blog-shadow-sm); }
.avatar-lg { width: 60px; height: 60px; border-radius: 50%; flex-shrink: 0; background: linear-gradient(135deg, var(--md-primary), var(--md-primary-light)); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.author-bio .a-name { font-family: Montserrat, sans-serif; font-size: 1rem; font-weight: 700; color: var(--blog-text); }
.author-bio .a-role { font-size: 13px; color: var(--md-primary); font-weight: 500; margin-bottom: 8px; }
.author-bio p { font-size: .875rem; color: var(--blog-muted); line-height: 1.65; }

/* ─── RELATED GRID (responsive) ─── */
.related-section { margin-top: 52px; }
.section-title-lg { font-family: Montserrat, sans-serif; font-size: 1.25rem; font-weight: 700; color: var(--blog-text); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.related-card { background: var(--md-surface); border: 1px solid var(--blog-border); border-radius: var(--blog-radius-lg); overflow: hidden; box-shadow: var(--blog-shadow-sm); text-decoration: none; color: inherit; transition: var(--transition); display: flex; flex-direction: column; }
.related-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.r-thumb { height: 90px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.r-thumb .tp { position: absolute; inset: 0; opacity: .07; background-image: repeating-linear-gradient(45deg,#fff 0,#fff 1px,transparent 0,transparent 50%); background-size: 10px 10px; }
.r-body { padding: 14px 16px; flex: 1; }
.r-body .tag { display: inline-block; margin-bottom: 8px; }
.r-body h3 { font-family: Montserrat, sans-serif; font-size: .875rem; font-weight: 700; color: var(--blog-text); line-height: 1.35; margin-bottom: 8px; }
.r-rt { font-size: 11px; color: var(--blog-muted); display: flex; align-items: center; gap: 4px; }
.r-rt .material-icons { font-size: 13px; }

/* thumb colors */
.th-teal   { background: linear-gradient(135deg, var(--md-primary-dark), var(--md-primary)); }
.th-blue   { background: linear-gradient(135deg, #185fa5, #378add); }
.th-amber  { background: linear-gradient(135deg, #854f0b, #ef9f27); }
.th-coral  { background: linear-gradient(135deg, #993c1d, #d85a30); }
.th-purple { background: linear-gradient(135deg, #534ab7, #7f77dd); }
.th-green  { background: linear-gradient(135deg, #3b6d11, #97c459); }

/* ─── SIDEBAR (full responsive: becomes row or stacked) ─── */
.sidebar { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 20px; }
.sb-card { background: var(--md-surface); border: 1px solid var(--blog-border); border-radius: var(--blog-radius-lg); padding: 20px; box-shadow: var(--blog-shadow-sm); }
.sb-card h3 { font-family: Montserrat, sans-serif; font-size: .9rem; font-weight: 700; color: var(--blog-text); margin-bottom: 14px; display: flex; align-items: center; gap: 7px; }
.sb-card h3 .material-icons { font-size: 17px; color: var(--md-primary); }
.stoc ol { list-style: none; counter-reset: stoc; display: flex; flex-direction: column; gap: 4px; margin: 0; padding-left: 0; }
.stoc ol li { counter-increment: stoc; }
.stoc ol li a { display: flex; align-items: flex-start; gap: 8px; text-decoration: none; font-size: 13px; color: var(--blog-muted); padding: 6px 8px; border-radius: var(--blog-radius-sm); transition: var(--transition); cursor: pointer; }
.stoc ol li a::before { content: counter(stoc, decimal-leading-zero); font-size: 10px; font-weight: 700; color: var(--md-primary-light); flex-shrink: 0; padding-top: 2px; }
.stoc ol li a:hover, .stoc ol li a.active { background: var(--blog-primary-bg); color: var(--md-primary); font-weight: 500; }

/* share */
.share-btns-vert { display: flex; flex-direction: column; gap: 8px; }
.share-btn-v {
  display: flex; align-items: center; gap: 8px; padding: 9px 14px;
  border-radius: var(--blog-radius-md); border: 1.5px solid var(--blog-border);
  background: var(--md-surface); font-size: 13px; font-weight: 500;
  color: var(--blog-text); cursor: pointer; width: 100%;
}
.share-btn-v:hover { border-color: var(--md-primary); color: var(--md-primary); background: var(--blog-primary-bg); }
.nl-input { width: 100%; padding: 9px 12px; border: 1px solid rgba(0,0,0,0.1); border-radius: var(--blog-radius-md); font-size: 14px; margin-bottom: 10px; }
.cta-btn { display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; padding: 10px; border-radius: var(--blog-radius-md); background: #fff; color: var(--md-primary); border: none; font-size: 14px; font-weight: 700; cursor: pointer; text-decoration: none; transition: var(--transition); }
.cta-green { background: linear-gradient(135deg, var(--md-primary-dark), var(--md-primary)) !important; border: none !important; }
.cta-green h3 { color: #fff !important; }
.cta-green p { font-size: 13px; color: rgba(255,255,255,.85); }
.cta-amber { background: #fef9ec !important; border: 1.5px solid #fcd34d !important; }
.rsb-list { display: flex; flex-direction: column; gap: 12px; }
.rsb-item { display: flex; gap: 10px; text-decoration: none; color: inherit; padding: 6px 8px; border-radius: var(--blog-radius-sm); transition: var(--transition); }
.rsb-item:hover { background: var(--blog-primary-bg); }
.rsb-thumb { width: 56px; height: 42px; border-radius: var(--blog-radius-sm); flex-shrink: 0; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; background: linear-gradient(135deg, var(--md-primary-dark), var(--md-primary)); }
.rsb-thumb .material-icons { font-size: 20px; color: rgba(255,255,255,.6); z-index: 1; }
.rsb-info .rsb-title { font-size: 13px; font-weight: 500; color: var(--blog-text); line-height: 1.4; }
.nl-card { background: linear-gradient(135deg, var(--md-primary-dark), var(--md-primary)) !important; border: none !important; }
.nl-card h3 { color: #fff !important; }
.nl-card p { font-size: 13px; color: rgba(255,255,255,.85); margin-bottom: 14px; }

/* article bottom newsletter responsive */
.article-nl { background: linear-gradient(135deg, var(--md-primary-dark) 0%, var(--md-primary) 60%, var(--md-primary-light) 100%); border-radius: var(--blog-radius-lg); padding: 32px 24px; margin-top: 52px; text-align: center; color: #fff; }
.article-nl h3 { font-family: Montserrat, sans-serif; font-size: clamp(1.2rem, 4vw, 1.375rem); font-weight: 800; margin-bottom: 8px; }
.article-nl p { font-size: .9375rem; color: rgba(255,255,255,.88); margin-bottom: 24px; }
.article-nl-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; flex-wrap: wrap; }
.article-nl-form input { flex: 1; padding: 12px 16px; border-radius: 100px; border: none; background: rgba(255,255,255,.15); color: #fff; }
.article-nl-form button { padding: 12px 24px; border-radius: 100px; background: #fff; color: var(--md-primary); border: none; font-weight: 700; cursor: pointer; display: flex; align-items: center; gap: 6px; }
.article-nl-privacy { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 10px; }

/* ═══════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════ */
@media (max-width: 1000px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sidebar {
    position: static;
    width: 100%;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .article-layout {
    padding: 24px 16px 48px;
  }
  .meta-actions {
    margin-left: 0;
    width: 100%;
    justify-content: flex-start;
  }
  .inline-toc ol li a {
    font-size: 12px;
  }
}
@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .article-nl-form {
    flex-direction: column;
  }
  .article-nl-form button {
    justify-content: center;
  }
  .author-bio {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .author-bio .avatar-lg {
    margin-bottom: 10px;
  }
  .breadcrumb-content .current {
    max-width: 200px;
    white-space: normal;
    word-break: break-word;
  }
 /* .meta-bar {
    flex-direction: column;
    align-items: flex-start;
  }*/
  .meta-actions {
    width: auto;
  }
}
@media (max-width: 480px) {
  .article-header h1 {
    font-size: 1.6rem;
  }
  .hero-code {
    font-size: 8px;
    line-height: 1.5;
  }
  .inline-toc {
    padding: 16px;
  }
  .sb-card {
    padding: 16px;
  }
}
/* utility */
.nl-msg { font-size: 12px; margin-top: 8px; text-align: center; display: none; }
.nl-msg.success { display: block; color: #d1fae5; }
.nl-msg.error { display: block; color: #ffcdd2; }
.article-nl-msg { font-size: 12px; margin-top: 10px; display: none; }
.article-nl-msg.success { display: block; color: #d1fae5; }
.article-nl-msg.error { display: block; color: #ffcdd2; }