/* Blog Detail Page — BillSplitCalculator.site */
body { overflow-x: hidden; }
.detail-banner {
  position: relative;
  min-height: 280px;
  background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 50%, #253342 100%);
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  overflow: hidden;
}
.detail-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 80%, rgba(46,204,113,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.detail-banner .container { position: relative; z-index: 2; padding-left: 16px; padding-right: 16px; max-width: 100%; width: 100%; box-sizing: border-box; }
.detail-banner .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}
.detail-banner .breadcrumb a { color: var(--emerald); }
.detail-banner .breadcrumb a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .detail-banner {
    padding: 70px 8px 40px;
    min-height: 240px;
    align-items: flex-start;
  }
  .detail-banner .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  .detail-banner .breadcrumb {
    flex-wrap: wrap;
    gap: 6px 8px;
    font-size: .8rem;
    padding-left: 0;
  }
  .detail-banner .breadcrumb > span:last-of-type {
    flex-basis: 100%;
    margin-top: 4px;
    padding-left: 0;
    white-space: normal;
    word-break: break-word;
  }
  .detail-banner h1 { font-size: 1.35rem; line-height: 1.35; padding-left: 0; }
  .detail-banner .post-meta { font-size: .85rem; gap: 12px; padding-left: 0; }

  .detail-layout {
    padding: 32px 12px 60px;
    gap: 32px;
    max-width: 100%;
    overflow-x: hidden;
  }
  .detail-main { min-width: 0; max-width: 100%; }
  .detail-main .featured-img {
    height: 260px;
    border-radius: 12px;
    margin-bottom: 24px;
  }
  .detail-main .article-body {
    font-size: 1rem;
    line-height: 1.75;
  }
  .detail-main .article-body h2 {
    font-size: 1.3rem;
    margin: 1.5em 0 0.5em;
  }
  .detail-main .article-body h3 {
    font-size: 1.1rem;
  }
  .detail-main .article-body th,
  .detail-main .article-body td {
    padding: 10px 12px;
    font-size: .9rem;
  }
  .detail-main .article-body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .detail-sidebar {
    position: static;
  }
  .sidebar-widget {
    padding: 20px;
    margin-bottom: 20px;
  }
  .faq-item {
    padding: 16px;
  }
  .faq-item h3 { font-size: 1rem; }
}

@media (max-width: 480px) {
  .detail-banner { padding: 70px 6px 32px; }
  .detail-banner .container { padding-left: 6px; padding-right: 6px; }
  .detail-banner h1 { font-size: 1.2rem; }
  .detail-layout { padding: 24px 10px 48px; }
  .detail-main .featured-img { height: 220px; }
  .detail-main .article-body h2 { font-size: 1.2rem; }
}

.detail-banner h1 {
  font-size: clamp(1.5rem,4vw,2.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}
.detail-banner .post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
  font-size: .9rem;
  color: rgba(255,255,255,.8);
}
.detail-banner .post-meta span { display: flex; align-items: center; gap: 6px; }

/* Two-column layout */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  padding: 48px 24px 80px;
  align-items: start;
}
@media (max-width: 1024px) {
  .detail-layout { grid-template-columns: 1fr; }
}

/* Main content */
.detail-main .featured-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 32px;
  box-shadow: 0 12px 40px rgba(27,42,74,0.15);
}
.detail-main .article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #2d3748;
}
.detail-main .article-body h2 {
  font-size: 1.5rem;
  margin: 2em 0 0.75em;
  color: var(--navy);
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(46,204,113,0.2);
}
.detail-main .article-body h3 {
  font-size: 1.25rem;
  margin: 1.5em 0 0.5em;
  color: var(--navy);
}
.detail-main .article-body p { margin-bottom: 1em; }
.detail-main .article-body ul, .detail-main .article-body ol {
  margin: 1em 0 1.5em 1.5em;
}
.detail-main .article-body li { margin-bottom: 0.5em; }
.detail-main .article-body table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(27,42,74,0.08);
}
.detail-main .article-body { overflow-wrap: break-word; word-wrap: break-word; }
.detail-main .article-body th, .detail-main .article-body td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #e8f4ed;
}
.detail-main .article-body th {
  background: linear-gradient(135deg, var(--emerald), var(--teal));
  color: #fff;
  font-weight: 600;
}
.detail-main .article-body tr:nth-child(even) { background: #f8fcf9; }
.detail-main .article-body a {
  color: var(--emerald);
  font-weight: 500;
}
.detail-main .article-body a:hover { text-decoration: underline; }

/* FAQ */
.faq-section { margin-top: 3em; padding-top: 2em; border-top: 2px solid rgba(46,204,113,0.2); }
.faq-section h2 { margin-top: 0; }
.faq-item {
  margin-bottom: 1.5em;
  padding: 20px;
  background: #f8fcf9;
  border-radius: 12px;
  border-left: 4px solid var(--emerald);
}
.faq-item h3 { margin: 0 0 8px; font-size: 1.1rem; }
.faq-item p { margin: 0; }

/* Sidebar */
.detail-sidebar { position: sticky; top: 90px; }
.sidebar-widget {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 24px rgba(27,42,74,0.06);
  border: 1px solid rgba(46,204,113,0.08);
}
.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sidebar-widget .email-form input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e8f4ed;
  border-radius: 10px;
  font-size: .95rem;
  margin-bottom: 10px;
}
.sidebar-widget .email-form input:focus {
  outline: none;
  border-color: var(--emerald);
}
.sidebar-widget .email-form button {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--emerald), var(--teal));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .2s;
}
.sidebar-widget .email-form button:hover { transform: translateY(-2px); }
.sidebar-info-card {
  padding: 16px;
  background: linear-gradient(135deg, #f0faf4, #e8f8f5);
  border-radius: 12px;
  border: 1px solid rgba(46,204,113,0.2);
  margin-bottom: 12px;
}
.sidebar-info-card:last-child { margin-bottom: 0; }
.sidebar-info-card strong { display: block; margin-bottom: 4px; color: var(--navy); }
.sidebar-info-card a { color: var(--emerald); font-weight: 500; }
.recent-post {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: flex-start;
}
.recent-post:last-child { margin-bottom: 0; }
.recent-post img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}
.recent-post a {
  font-size: .9rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.4;
}
.recent-post a:hover { color: var(--emerald); }
.sidebar-tags, .sidebar-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sidebar-tags a, .sidebar-cats a {
  padding: 6px 14px;
  background: #f0faf4;
  border-radius: 20px;
  font-size: .85rem;
  color: var(--navy);
  border: 1px solid rgba(46,204,113,0.2);
  transition: all .2s;
}
.sidebar-tags a:hover, .sidebar-cats a:hover {
  background: var(--emerald);
  color: #fff;
  border-color: var(--emerald);
}