/* ==========================================================================
   Help Center & Documentation Guides Styles (Trang Hướng Dẫn)
   ========================================================================== */
.help-hero-section {
  padding: 48px 0 32px;
  background: radial-gradient(circle at 50% 15%, rgba(255, 238, 232, 0.7) 0%, rgba(255, 255, 255, 0) 70%);
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.help-search-wrapper {
  position: relative;
  max-width: 620px;
  margin: 22px auto 14px;
}

.help-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--primary);
  pointer-events: none;
}

.help-search-input {
  width: 100%;
  padding: 13px 20px 13px 48px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text-main);
  background: #FFFFFF;
  border: 1.5px solid #FFD1C4;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(238, 77, 45, 0.08);
  transition: all 0.25s ease;
}

.help-search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 10px 28px rgba(238, 77, 45, 0.18);
}

.help-popular-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.help-tag-pill {
  background: #FFFFFF;
  color: var(--text-muted);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 12px;
}

.help-tag-pill:hover {
  background: var(--accent-peach);
  color: var(--primary);
  border-color: #FFBEAE;
}

/* Category Filter Tabs */
.help-categories-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px auto 36px;
}

.cat-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cat-tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--accent-peach-light);
}

.cat-tab-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(238, 77, 45, 0.25);
}

/* 3 Quick Start Steps */
.quick-start-section {
  margin-bottom: 44px;
}

.section-sub-heading {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-start-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-card {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 22px 20px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: #FFD1C4;
  box-shadow: var(--shadow-hover);
}

.step-badge {
  font-size: 12px;
  font-weight: 800;
  color: var(--primary);
  background: var(--accent-peach);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 12px;
}

.step-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.35;
}

.step-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 70/30 Main Help Layout */
.help-main-layout {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 36px;
  padding-bottom: 60px;
}

.guides-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.guide-item-card {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.guide-item-card:hover {
  transform: translateX(4px);
  border-color: #FFD1C4;
  box-shadow: var(--shadow-hover);
}

.guide-item-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.guide-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.guide-cat-tag {
  background: var(--accent-peach);
  color: var(--primary);
  font-weight: 700;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.guide-meta {
  color: var(--text-light);
  font-size: 12px;
}

.guide-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

.guide-title a:hover {
  color: var(--primary);
}

.guide-snippet {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.guide-arrow-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-peach-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.guide-item-card:hover .guide-arrow-btn {
  background: var(--primary);
  color: #FFFFFF;
}

/* Sidebar Widgets */
.help-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.help-widget {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.help-widget-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.widget-support-card {
  background: linear-gradient(135deg, #FFF8F5 0%, #FFF0EB 100%);
  border-color: #FFD5C8;
}

.support-channel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.support-channel-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #FFFFFF;
  border-radius: 10px;
  border: 1px solid #FFE4DB;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.support-channel-item:hover {
  border-color: var(--primary);
  transform: translateX(3px);
  color: var(--primary);
}

.channel-icon {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 12px;
}

.channel-icon.zalo {
  background: #0068FF;
}

.channel-icon.hotline {
  background: var(--primary);
}

.channel-icon.tele {
  background: #229ED9;
}

/* FAQ Accordion in Sidebar */
.sidebar-faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-faq-item {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sidebar-faq-item:hover {
  background: var(--accent-peach-light);
  border-color: #FFD1C4;
}

.sidebar-faq-q {
  font-weight: 600;
  color: var(--text-main);
}

/* Single Guide Breadcrumbs & Table of Contents */
.breadcrumbs-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.breadcrumbs-bar a:hover {
  color: var(--primary);
}

.toc-box {
  background: var(--accent-peach-light);
  border: 1px solid #FFDDCF;
  border-radius: 14px;
  padding: 18px 22px;
  margin: 22px 0 28px;
}

.toc-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.toc-list a {
  font-size: 13.5px;
  color: var(--text-main);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.toc-list a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .quick-start-grid {
    grid-template-columns: 1fr;
  }
  .help-main-layout {
    grid-template-columns: 1fr;
  }
}