.article-tab {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-color, #e2e8f0);
  background: var(--card-bg, #fff);
  color: var(--text-muted, #475569);
  font-size: 0.85rem;
  text-decoration: none;
}

.article-tab:hover {
  border-color: var(--primary, #e2e8f0);
}

.article-tab.active {
  background: var(--primary, #4f46e5);
  border-color: var(--primary, #4f46e5);
  /* The card surface contrasts with the filled accent in both themes. */
  color: var(--card-bg, #fff);
}

.article-tag-tab {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  border: 1px dashed var(--border-color, #cbd5e1);
  background: var(--card-bg, #fff);
  color: var(--text-muted, #64748b);
  font-size: 0.78rem;
  text-decoration: none;
}

.article-tag-tab:hover {
  border-color: var(--primary, #cbd5e1);
}

.article-tag-tab.active {
  border-style: solid;
  border-color: var(--primary, #4f46e5);
  color: var(--primary, #4f46e5);
  background: var(--primary-light, #eef2ff);
}

.article-card {
  display: block;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 1rem;
  padding: 1.1rem;
  text-decoration: none;
  color: var(--text-main, #0f172a);
  transition: box-shadow 0.15s ease;
}

.article-card:hover {
  border-color: var(--primary, #e2e8f0);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}

.article-tab:focus-visible,
.article-tag-tab:focus-visible,
.article-card:focus-visible {
  outline: 2px solid var(--primary, #4f46e5);
  outline-offset: 3px;
}

.article-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: var(--primary-light, #eef2ff);
  color: var(--primary, #4338ca);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.article-tag {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: var(--primary-light, #f1f5f9);
  color: var(--text-muted, #475569);
  font-size: 0.72rem;
}

.article-paywall {
  background: var(--primary-light, #fff7ed);
  border: 1px solid var(--border-color, #fed7aa);
  color: var(--text-main, #0f172a);
  border-radius: 1rem;
  padding: 1.25rem;
  text-align: center;
}

/* Shared article-detail components. */
html.dark-mode .article-badge {
  color: var(--accent-violet);
  background: var(--accent-violet-bg);
  box-shadow: inset 0 0 0 1px var(--accent-violet-border);
}

html.dark-mode .article-tag {
  color: var(--accent-teal);
  background: var(--accent-teal-bg);
  box-shadow: inset 0 0 0 1px var(--accent-teal-border);
}

html.dark-mode .article-premium {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  min-height: 1.6rem;
  border: 1px solid var(--premium-border);
  border-radius: 0.5rem;
  color: var(--premium);
  background: var(--premium-bg);
}

html.dark-mode .article-paywall {
  background: var(--card-bg);
  border-color: var(--border-color);
  border-inline-start: 3px solid var(--premium-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

html.dark-mode .article-paywall > p:first-child {
  color: var(--premium);
}

/* Compact article library: neutral surfaces, one action accent, less chrome. */
.article-list-page {
  --article-panel: #ffffff;
  --article-card-bg: #ffffff;
  --article-hover: #f8fafc;
  --article-text: var(--text-main, #0f172a);
  --article-muted: var(--text-muted, #64748b);
  --article-border: var(--border-color, #e2e8f0);
  --article-accent: var(--primary, #4f46e5);
  --article-accent-soft: #eef2ff;
}

html.dark-mode .article-list-page {
  --article-panel: var(--card-bg);
  --article-card-bg: var(--card-bg);
  --article-hover: var(--surface-hover);
  --article-accent-soft: var(--primary-light);
  background-image: none;
}

.article-shell {
  box-sizing: border-box;
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 1.25rem 1.5rem 1rem;
}

.article-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.article-heading { display: flex; align-items: baseline; gap: 0.75rem; min-width: 0; }
.article-header-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }

.article-list-title {
  color: var(--article-text);
  font-size: 1.65rem;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.article-create {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-shrink: 0;
  min-height: 2.25rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  background: var(--primary-solid, #4f46e5);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  transition: background-color 0.16s ease;
}

.article-create svg { width: 1rem; height: 1rem; }
.article-create:hover { background: var(--primary-solid-hover, #4338ca); }

.article-controls {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--article-border);
}

.article-result-count { color: var(--article-muted); font-size: 0.7rem; white-space: nowrap; }

.article-view-toggle {
  display: inline-flex;
  gap: 0.1rem;
  padding: 0.1rem;
  border: 1px solid var(--article-border);
  border-radius: 0.5rem;
  background: var(--article-panel);
}

.article-view-toggle[hidden] { display: none; }
.article-view-toggle button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  min-height: 2rem;
  padding: 0.3rem;
  border-radius: 0.35rem;
  color: var(--article-muted);
  font-size: 0.72rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.article-view-toggle svg { width: 1rem; height: 1rem; }
.article-view-toggle button[aria-pressed="true"] { background: var(--article-accent-soft); color: var(--article-accent); }
.article-view-toggle button:hover { color: var(--article-accent); }

.article-categories { display: flex; flex: 1; min-width: 0; gap: 0.35rem; overflow-x: auto; scrollbar-width: thin; }
.article-list-page .article-tab {
  flex-shrink: 0;
  padding: 0.4rem 0.65rem;
  border-color: transparent;
  border-radius: 0.45rem;
  background: transparent;
  color: var(--article-muted);
  font-size: 0.76rem;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.article-list-page .article-tab:hover { background: var(--article-hover); color: var(--article-text); }
.article-list-page .article-tab.active { border-color: var(--article-border); background: var(--article-accent-soft); color: var(--article-accent); }
.article-topic-filter { position: relative; flex-shrink: 0; }
.article-topic-filter summary { display: flex; align-items: center; gap: 0.35rem; padding: 0.4rem 0.55rem; border: 1px solid var(--article-border); border-radius: 0.45rem; background: var(--article-panel); color: var(--article-muted); font-size: 0.76rem; cursor: pointer; list-style: none; }
.article-topic-filter summary::-webkit-details-marker { display: none; }
.article-topic-filter summary:hover { color: var(--article-accent); }
.article-topic-filter summary > svg { width: 1rem; height: 1rem; }
.article-topic-chevron { transition: transform 0.2s ease; }
.article-topic-filter[open] .article-topic-chevron { transform: rotate(180deg); }
.article-topic-options { position: absolute; top: calc(100% + 0.4rem); right: 0; z-index: 20; display: flex; flex-wrap: wrap; box-sizing: border-box; gap: 0.5rem; width: min(22rem, calc(100vw - 2rem)); max-height: 12rem; padding: 0.75rem; overflow-y: auto; border: 1px solid var(--article-border); border-radius: 0.65rem; background: var(--article-panel); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16); }
.article-topic-options .article-tag-tab { max-width: 100%; overflow-wrap: anywhere; }
.article-selected-count { padding: 0.1rem 0.4rem; border-radius: 0.35rem; background: var(--article-accent-soft); color: var(--article-accent); font-size: 0.66rem; }
.article-list-page .article-tag-tab { padding: 0.4rem 0.7rem; background: var(--article-panel); color: var(--article-muted); font-size: 0.74rem; }
.article-list-page .article-tag-tab:hover { border-color: var(--article-accent); color: var(--article-accent); }
.article-list-page .article-tag-tab.active { background: var(--article-accent-soft); border-color: var(--article-border); color: var(--article-accent); }

.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; margin-top: 0.75rem; }
.article-list-page .article-card {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1rem;
  overflow: hidden;
  border-color: var(--article-border);
  border-radius: 0.75rem;
  background: var(--article-card-bg);
  color: var(--article-text);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
  animation: article-appear 180ms ease-out;
}

.article-list-page .article-card:focus-visible { border-color: var(--article-accent); background: var(--article-hover); }
.article-card-topline { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.65rem; }
.article-card-category { min-width: 0; }
.article-list-page .article-badge { background: #f1f5f9; color: #475569; }
.article-card-category .article-badge { overflow-wrap: anywhere; font-size: 0.65rem; }
.article-list-page .article-premium { display: inline-flex; align-items: center; gap: 0.25rem; flex-shrink: 0; margin-left: auto; padding: 0.25rem 0.4rem; border: 1px solid #f2deb7; border-radius: 0.45rem; background: #fff4de; color: #8a5a12; font-size: 0.61rem; font-weight: 500; }
.article-premium svg { width: 0.8rem; height: 0.8rem; }
.article-card-title { margin: 0 0 0.5rem; color: var(--article-text); font-size: 1.125rem; font-weight: 600; letter-spacing: -0.015em; line-height: 1.45; overflow-wrap: anywhere; }
.article-card-excerpt { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 0.75rem; color: var(--article-muted); font-size: 0.875rem; line-height: 1.6; overflow-wrap: anywhere; }
.article-card-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.75rem; }
.article-card-tags .article-tag { max-width: 100%; overflow-wrap: anywhere; }
.article-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: auto; padding-top: 0.25rem; }
.article-read-label { color: var(--article-muted); font-size: 0.74rem; font-weight: 500; transition: color 0.2s ease; }
.article-card-arrow { display: flex; align-items: center; justify-content: center; width: 1.5rem; height: 1.5rem; color: var(--article-accent); }
.article-card-arrow svg { width: 1rem; height: 1rem; transition: transform 0.2s ease; }
.article-card:focus-visible .article-read-label { color: var(--article-accent); }

.article-grid[data-layout="list"] {
  grid-template-columns: minmax(0, 1fr);
}

.article-grid[data-layout="list"] .article-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.5rem;
  grid-template-areas: "meta action" "title action" "excerpt action" "tags action";
  gap: 0.5rem 1rem;
  padding: 1rem;
}

.article-grid[data-layout="list"] .article-card-topline { grid-area: meta; margin: 0; }
.article-grid[data-layout="list"] .article-read-label { display: none; }
.article-grid[data-layout="list"] .article-card-title { grid-area: title; margin: 0; font-size: 1.1rem; }
.article-grid[data-layout="list"] .article-card-excerpt { grid-area: excerpt; margin: 0; -webkit-line-clamp: 2; }
.article-grid[data-layout="list"] .article-card-tags { grid-area: tags; margin: 0; }
.article-grid[data-layout="list"] .article-card-footer { grid-area: action; align-self: center; margin: 0; padding: 0; border: 0; }

.article-empty { margin-top: 0.75rem; padding: 2rem 1rem; border: 1px dashed var(--article-border); border-radius: 0.75rem; background: var(--article-panel); text-align: center; }
.article-empty > svg { width: 2.5rem; height: 2.5rem; margin: 0 auto 1.2rem; color: var(--article-accent); }
.article-empty h2 { margin-bottom: 0.6rem; color: var(--article-text); font-size: 1.15rem; font-weight: 600; }
.article-empty p { color: var(--article-muted); font-size: 0.87rem; line-height: 1.6; }
.article-reset { display: inline-block; margin-top: 1.2rem; color: var(--article-accent); font-size: 0.85rem; }
.article-pagination { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--article-border); }
.article-page-link { padding: 0.6rem 0.85rem; border: 1px solid var(--article-border); border-radius: 0.65rem; background: var(--article-panel); color: var(--article-text); font-size: 0.77rem; transition: border-color 0.2s ease, color 0.2s ease; }
.article-page-link:hover { border-color: var(--article-accent); color: var(--article-accent); }
.article-page-number { color: var(--article-muted); font-size: 0.73rem; }
.article-page-number strong { color: var(--article-text); font-weight: 500; }
.article-list-page :is(.article-create, .article-view-toggle button, .article-topic-filter summary, .article-page-link, .article-reset):focus-visible { outline: 2px solid var(--article-accent); outline-offset: 4px; }

@media (hover: hover) and (pointer: fine) {
  .article-list-page .article-card:hover { transform: translateY(-2px); border-color: var(--accent-border, #a5b4fc); background: var(--article-hover); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); }
  .article-card:hover .article-read-label { color: var(--article-accent); }
  .article-card:hover .article-card-arrow svg { transform: translate(1px, -1px); }
}

@keyframes article-appear {
  from { transform: translateY(4px); }
  to { transform: translateY(0); }
}

@media (min-width: 1600px) {
  .article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 701px) and (max-width: 1000px) {
  .article-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 700px) {
  .article-shell { padding: 1rem 1rem 1rem; }
  .article-hero { gap: 0.5rem; margin-bottom: 0.65rem; }
  .article-heading { flex-direction: column; align-items: flex-start; gap: 0.1rem; }
  .article-list-title { font-size: 1.45rem; }
  .article-grid { grid-template-columns: minmax(0, 1fr); }
  .article-view-toggle button { min-width: 2.25rem; min-height: 2.25rem; }
  .article-create { min-height: 2.5rem; }
  .article-grid[data-layout="list"] .article-card { gap: 0.5rem 0.75rem; }
}

@media (max-width: 480px) {
  .article-create { padding: 0.45rem 0.6rem; }
  .article-create > span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .article-shell *, .article-shell *::before { transition: none !important; animation: none !important; }
  .article-shell .article-card:hover, .article-create:hover, .article-card:hover .article-card-arrow svg { transform: none; }
}