/* Blog 07 — Technical article library (knowledge center).
   All rules scoped under .dr-blog07 so they never affect other pages.
   Reuses theme tokens: --dr-ink, --dr-muted, --dr-surface, --dr-primary,
   --dr-accent, --dr-accent-dark, --dr-border, --dr-shadow. */

.dr-blog07 { --b7-radius: 16px; color: var(--dr-ink); font-family: inherit; }
.dr-blog07 * { box-sizing: border-box; }

/* Page wrapper. NOTE: class is -shell, NOT -page: pagination buttons own
   .dr-blog07-page (min-height/display/padding), and reusing it on <main> made
   the buttons' flex+padding+font-weight leak onto the whole page. */
.dr-blog07-shell { background: var(--dr-surface); padding: 0 0 80px; }

/* ---------- Hero (compact) ---------- */
.dr-blog07-hero {
  position: relative;
  overflow: hidden;
  padding: 60px 0 36px;
  background: linear-gradient(180deg, #fff 0%, var(--dr-surface) 100%);
}
.dr-blog07-hero::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -70px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--dr-accent) 22%, transparent), transparent 70%);
  filter: blur(8px);
  z-index: 0;
}
.dr-blog07-hero .dr-container { position: relative; z-index: 1; }
.dr-blog07-title-h1 {
  margin: 12px 0 14px;
  color: var(--dr-primary-dark);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
  letter-spacing: -.03em;
}
.dr-blog07-intro { max-width: 680px; margin: 0; color: var(--dr-muted); font-size: 17px; line-height: 1.6; }
.dr-blog07-intro p { margin: 0; }

/* ---------- Search ---------- */
.dr-blog07-search {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  max-width: 640px;
  padding: 8px 8px 8px 18px;
  background: #fff;
  border: 1px solid var(--dr-border);
  border-radius: 999px;
  box-shadow: var(--dr-shadow);
}
.dr-blog07-search:focus-within {
  border-color: var(--dr-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--dr-accent) 18%, transparent), var(--dr-shadow);
}
.dr-blog07-search-icon { flex: none; color: var(--dr-muted); }
.dr-blog07-search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 10px 0;
  border: 0;
  background: transparent;
  color: var(--dr-ink);
  font-size: 16px;
}
.dr-blog07-search-input:focus { outline: none; }
.dr-blog07-search-btn {
  flex: none;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--dr-accent);
  border-radius: 999px;
  background: var(--dr-accent);
  color: #fff;
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.dr-blog07-search-btn:hover { background: var(--dr-accent-dark); border-color: var(--dr-accent-dark); transform: translateY(-1px); }

/* ---------- Layout ---------- */
.dr-blog07-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
  margin-top: 36px;
}

/* ---------- Sidebar (category filter) ---------- */
.dr-blog07-sidebar { position: sticky; top: 88px; }
.dr-blog07-cat-summary {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 18px;
  min-height: 48px;
  border: 1px solid var(--dr-border);
  border-radius: var(--b7-radius);
  background: #fff;
  box-shadow: var(--dr-shadow);
  font-weight: 780;
  cursor: pointer;
  list-style: none;
}
.dr-blog07-cat-summary::-webkit-details-marker { display: none; }
.dr-blog07-cat-fieldset {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
}
.dr-blog07-cat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  min-height: 44px;
  border: 1px solid var(--dr-border);
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease, background 160ms ease;
}
.dr-blog07-cat-item:hover {
  border-color: color-mix(in srgb, var(--dr-accent) 50%, var(--dr-border));
  box-shadow: var(--dr-shadow);
  transform: translateY(-1px);
}
.dr-blog07-cat-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.dr-blog07-cat-item:focus-within { outline: 3px solid var(--dr-accent); outline-offset: 2px; }
.dr-blog07-cat-item.is-active {
  border-color: var(--dr-accent);
  background: color-mix(in srgb, var(--dr-accent) 8%, #fff);
  color: var(--dr-accent-dark);
  font-weight: 750;
}
.dr-blog07-cat-count {
  margin-left: auto;
  color: var(--dr-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.dr-blog07-cat-item.is-active .dr-blog07-cat-count { color: var(--dr-accent-dark); }
.dr-blog07-cat-apply { display: none; }

/* ---------- Results bar ---------- */
.dr-blog07-results-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 22px;
}
.dr-blog07-count { margin: 0; color: var(--dr-muted); font-size: 14px; font-weight: 700; }
.dr-blog07-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.dr-blog07-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--dr-border);
  border-radius: 999px;
  background: #fff;
  color: var(--dr-primary);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease;
}
.dr-blog07-chip:hover { border-color: var(--dr-accent); color: var(--dr-accent-dark); }
.dr-blog07-clear { color: var(--dr-accent-dark); font-size: 13px; font-weight: 750; text-decoration: underline; }

/* ---------- Article list (editorial) ---------- */
.dr-blog07-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.dr-blog07-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 22px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--dr-border);
  border-radius: var(--b7-radius);
  background: #fff;
  box-shadow: 0 2px 6px rgba(7, 41, 68, .06);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.dr-blog07-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--dr-shadow);
  border-color: color-mix(in srgb, var(--dr-accent) 40%, var(--dr-border));
}
.dr-blog07-thumb-link { display: block; }
.dr-blog07-thumb {
  width: 160px;
  height: 120px;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}
.dr-blog07-thumb--empty {
  background: linear-gradient(135deg, color-mix(in srgb, var(--dr-accent) 12%, #fff), color-mix(in srgb, var(--dr-primary) 10%, #fff));
}
.dr-blog07-body { min-width: 0; }
.dr-blog07-cat {
  margin: 0 0 6px;
  color: var(--dr-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.dr-blog07-title {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.dr-blog07-title a { color: var(--dr-ink); text-decoration: none; }
.dr-blog07-title a:hover { color: var(--dr-accent-dark); }
.dr-blog07-excerpt {
  margin: 0 0 10px;
  color: var(--dr-muted);
  font-size: 15px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.dr-blog07-meta { margin: 0; display: flex; align-items: center; gap: 10px; color: var(--dr-muted); font-size: 13px; }
.dr-blog07-reading { font-weight: 700; color: var(--dr-primary); }

/* ---------- Pagination ---------- */
.dr-blog07-pager { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 32px; }
.dr-blog07-page {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid var(--dr-border);
  border-radius: 999px;
  background: #fff;
  color: var(--dr-primary);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease;
}
.dr-blog07-page:hover { border-color: var(--dr-accent); color: var(--dr-accent-dark); }
.dr-blog07-page.is-current { background: var(--dr-accent); border-color: var(--dr-accent); color: #fff; }
.dr-blog07-page.is-disabled { opacity: .45; pointer-events: none; }

/* ---------- Empty states ---------- */
.dr-blog07-empty {
  padding: 48px 32px;
  border: 1px dashed var(--dr-border);
  border-radius: var(--b7-radius);
  background: #fff;
  text-align: center;
  color: var(--dr-muted);
}
.dr-blog07-empty h2 { margin: 0 0 8px; color: var(--dr-primary-dark); font-size: 22px; }
.dr-blog07-empty a { color: var(--dr-accent-dark); font-weight: 750; }

/* ---------- Shared ---------- */
.dr-blog07-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.dr-blog07 a:focus-visible,
.dr-blog07 button:focus-visible,
.dr-blog07 input:focus-visible {
  outline: 3px solid var(--dr-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .dr-blog07-layout { grid-template-columns: 1fr; }
  .dr-blog07-sidebar { position: static; }
  .dr-blog07-cat-summary { display: flex; }
  .dr-blog07-sidebar > .dr-blog07-cat-form { display: none; }
  .dr-blog07-sidebar[open] > .dr-blog07-cat-form { display: block; padding: 0 18px 18px; }
  .dr-blog07-cat-apply {
    display: block;
    margin-top: 8px;
    min-height: 44px;
    border: 1px solid var(--dr-accent);
    border-radius: 999px;
    background: var(--dr-accent);
    color: #fff;
    font-weight: 750;
    cursor: pointer;
  }
}
@media (min-width: 901px) {
  /* Force the disclosure content visible on desktop even without [open]. */
  .dr-blog07-cat-summary { display: none !important; }
  .dr-blog07-sidebar > .dr-blog07-cat-form { display: block !important; }
  /* Chromium 131+ wraps <details> content in ::details-content with
     content-visibility:hidden while closed, which the display:block above does
     NOT override — the category list stays laid out but unpainted. Re-enable it. */
  .dr-blog07-sidebar::details-content { content-visibility: visible; }
}
@media (max-width: 600px) {
  .dr-blog07-item { grid-template-columns: 1fr; gap: 14px; }
  .dr-blog07-thumb { width: 100%; height: 170px; }
  .dr-blog07-hero { padding: 44px 0 28px; }
}

/* ---------- Companion app download banner (pinned above the article list) ---------- */
.dr-blog07-app { padding: 10px 0 6px; }
.dr-blog07-app-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 30px 34px;
  border-radius: var(--b7-radius);
  background: var(--dr-primary-dark);
  color: #fff;
  box-shadow: var(--dr-shadow);
}
.dr-blog07-app-copy { max-width: 560px; }
.dr-blog07-app .dr-kicker {
  color: #8fb6dd;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.dr-blog07-app-h2 { margin: 8px 0 10px; color: #fff; font-size: clamp(24px, 3vw, 32px); line-height: 1.1; letter-spacing: -.02em; }
.dr-blog07-app-body { margin: 0 0 18px; color: #bcc9d6; font-size: 15px; line-height: 1.6; }
.dr-blog07-app-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.dr-blog07-app-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  color: #fff !important;
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
  transition: background 160ms ease, border-color 160ms ease;
}
.dr-blog07-app-btn:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .5); }
.dr-blog07-app-qrs { display: flex; gap: 18px; flex: none; }
.dr-blog07-app-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #bcc9d6 !important;
  text-decoration: none;
  font-size: 12px;
}
.dr-blog07-app-qr img { width: 120px; height: 120px; display: block; padding: 8px; border-radius: 12px; background: #fff; }
.dr-blog07-app-qr:hover { color: #fff !important; }

@media (max-width: 900px) {
  .dr-blog07-app-card { flex-direction: column; align-items: flex-start; gap: 24px; }
  .dr-blog07-app-qrs { gap: 14px; }
  .dr-blog07-app-qr img { width: 104px; height: 104px; }
}