/* Saleslox articles: two-column layout with the left-hand article panel.
   Self-contained under /articles so weekly article publishes never touch styles.css. */
.articles-layout {
  width: min(var(--max), calc(100% - var(--page-gutter)));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  gap: 2.75rem;
  align-items: start;
}
.articles-content { min-width: 0; }
.articles-layout [hidden] { display: none !important; }
.articles-content > .page-hero,
.articles-content > .section { width: auto; margin-inline: 0; }

.articles-panel {
  position: sticky;
  top: 1rem;
  margin-top: 2.4rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  padding: 1.1rem 1rem 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.articles-panel-heading {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.articles-panel-count { font-weight: 600; }
.articles-panel-toggle {
  display: none;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  cursor: pointer;
}
.articles-panel-toggle::after { content: "+"; font-size: 1.2rem; line-height: 1; color: var(--brand-deep); }
.articles-panel.is-open .articles-panel-toggle::after { content: "\2212"; }
.articles-panel-toggle:focus-visible,
.articles-search:focus-visible,
.articles-panel-link:focus-visible { outline: 3px solid #0b57d0; outline-offset: 2px; }

.articles-search-label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}
.articles-search {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
}
.articles-search:focus { border-color: var(--brand); }
.articles-search-status { min-height: 1.1rem; margin: 0.35rem 0 0.4rem; font-size: 0.8rem; color: var(--muted); }

.articles-panel-list { list-style: none; margin: 0; padding: 0; }
.articles-panel-item + .articles-panel-item { margin-top: 0.25rem; }
.articles-panel-link {
  display: block;
  padding: 0.55rem 0.65rem;
  border-radius: 0.65rem;
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
}
.articles-panel-link:hover { background: var(--paper); }
.articles-panel-link:hover .articles-panel-title { color: #0b57d0; text-decoration: underline; }
.articles-panel-title { display: block; font-size: 0.92rem; font-weight: 600; line-height: 1.35; }
.articles-panel-date { display: block; margin-top: 0.2rem; font-size: 0.8rem; color: var(--muted); }
.articles-panel-item.is-current .articles-panel-link {
  background: rgba(74, 94, 247, 0.1);
  border-left-color: var(--brand-deep);
}
.articles-panel-item.is-current .articles-panel-title { color: var(--brand-deep); }
.articles-panel-empty,
.articles-grid-empty { margin: 0.5rem 0 0; font-size: 0.92rem; color: var(--muted); }

@media (max-width: 900px) {
  .articles-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .articles-panel {
    position: static;
    max-height: none;
    overflow: visible;
    margin-top: 1.2rem;
    padding: 0;
    background: transparent;
    border: 0;
  }
  .articles-panel.js-ready .articles-panel-toggle { display: flex; }
  .articles-panel.js-ready .articles-panel-heading { display: none; }
  .articles-panel.js-ready:not(.is-open) .articles-panel-body { display: none; }
  .articles-panel-body {
    margin-top: 0.5rem;
    padding: 1rem;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 0.8rem;
  }
}