:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-border: #d7d7d7;
  --text: #111111;
  --muted: #555555;
  --accent: #111111;
  --accent-strong: #333333;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --success: #0f766e;
  --success-soft: #d1fae5;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a,
button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  width: min(1040px, 100%);
  margin: 0 auto;
}

main {
  max-width: 1040px;
  margin: 0 auto;
}

.page-shell:has(.board-editor-page) {
  width: min(1760px, 100%);
}

main:has(.board-editor-page) {
  max-width: none;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 auto 20px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-status {
  color: var(--muted);
}

.nav-form {
  margin: 0;
}

.nav-link {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: none;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--panel-border);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.user-moderation-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.5rem;
}

.moderation-menu {
  flex-basis: 100%;
  margin-top: 0.5rem;
}

.moderation-form {
  display: grid;
  gap: 0.65rem;
  max-width: 22rem;
}

.moderation-form textarea,
.moderation-form select {
  width: 100%;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 4px;
  background: #ffffff;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.nav-brand::before {
  content: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: 2rem;
  color: #111111;
}

h2 {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

p,
li,
label,
span,
a,
button,
input,
textarea {
  font-size: 1rem;
  line-height: 1.5;
}

.page-intro {
  margin-bottom: 18px;
  padding: 24px;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  box-shadow: var(--shadow);
}

.plain-page {
  padding: 20px 0;
}

.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.big-board-heading {
  align-items: flex-start;
}

.big-board-heading-actions,
.big-board-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.big-board-year-control,
.big-board-filter-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.big-board-year-control span,
.big-board-filter-control span {
  color: var(--muted);
  font-size: 0.9rem;
}

.big-board-year-control select,
.big-board-filter-control select {
  width: auto;
  min-width: 86px;
  padding: 8px 28px 8px 10px;
}

.big-board-filter-control select {
  min-width: 132px;
}

.big-board-filter-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.creator-toggle {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  background: #ffffff;
}

.creator-toggle button {
  min-width: 72px;
  padding: 7px 10px;
  border-color: transparent;
  background: #ffffff;
  color: var(--accent-strong);
}

.creator-toggle button:hover {
  background: #eef4ff;
}

.creator-toggle button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
}

.button-link:hover {
  background: var(--accent-strong);
}

.secondary-link {
  background: #ffffff;
  color: var(--accent-strong);
  border-color: var(--panel-border);
}

.secondary-link:hover {
  background: #eef4ff;
}

.simple-list,
.ranking-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
}

.simple-list li,
.ranking-list li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--panel-border);
}

.article-list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.article-list-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-list-row {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.article-list-row:hover .article-list-title {
  text-decoration: underline;
}

.article-list-thumb {
  width: 108px;
  height: 81px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  object-fit: cover;
  background: #f6f6f6;
}

.article-list-thumb-empty {
  display: block;
}

.article-list-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.article-list-title {
  color: var(--accent-strong);
  font-weight: 600;
}

.article-list-writeup {
  color: var(--text);
}

.article-list-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.article-tag,
.tag-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 4px;
  background: #eeeeee;
  color: var(--accent-strong);
  font-size: 0.88rem;
  line-height: 1.35;
}

.tag-editor {
  display: grid;
  gap: 6px;
}

.tag-editor-box {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  min-height: 48px;
  padding: 8px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #ffffff;
}

.tag-chip-list {
  display: contents;
}

.tag-editor-box input {
  flex: 1 1 140px;
  min-width: 120px;
  padding: 4px;
  border: 0;
}

.tag-editor-box input:focus {
  outline: none;
}

.tag-chip {
  gap: 6px;
}

.tag-chip-remove {
  min-width: 18px;
  min-height: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
}

.tag-chip-remove:hover {
  background: transparent;
  color: var(--danger);
}

.article-filter-form {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.article-status-toggle,
.form-actions,
.preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.article-status-toggle {
  margin-bottom: 14px;
}

.article-status-toggle button.is-active {
  background: var(--accent-strong);
}

.article-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: end;
}

.article-sort-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 220px));
  gap: 10px;
  align-items: end;
}

.video-filter-row {
  grid-template-columns: minmax(160px, 1fr) minmax(140px, 180px) minmax(140px, 180px) auto;
}

.article-search-field {
  display: grid;
  gap: 6px;
}

.article-filter-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
}

.article-filter-panel[hidden] {
  display: none;
}

.article-filter-actions {
  display: flex;
  gap: 10px;
  align-items: end;
}

.simple-list span,
.ranking-list span,
.muted-text,
.welcome-note {
  color: var(--muted);
}

.ranking-list p {
  margin-bottom: 6px;
}

.big-board-entry-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.big-board-entry-heading > div {
  display: grid;
  gap: 2px;
}

.big-discrepency-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border: 1px solid #f79009;
  border-radius: 4px;
  background: #fffaeb;
  color: #93370d;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.35;
  white-space: nowrap;
}

.big-board-writeup {
  margin-top: 8px;
}

.big-board-writeup summary {
  cursor: pointer;
  font-weight: 600;
}

.big-board-writeup-grid {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.big-board-writeup-grid p {
  white-space: pre-wrap;
}

.readable-page {
  max-width: 760px;
}

.article-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.article-page-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.article-header h1,
.article-header p {
  margin-bottom: 6px;
}

.article-cover-thumb {
  width: clamp(96px, 18vw, 140px);
  aspect-ratio: 4 / 3;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  object-fit: cover;
}

.article-body {
  white-space: pre-wrap;
  line-height: 1.7;
}

.article-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
}

.icon-button,
.icon-link,
.comment-like-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  background: #ffffff;
  color: var(--accent-strong);
  text-decoration: none;
}

.icon-button:hover,
.icon-link:hover,
.comment-like-button:hover {
  background: #eef4ff;
}

.article-comments-section {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--panel-border);
}

.hot-take-composer {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--panel-border);
}

.hot-take-list {
  margin-top: 18px;
}

.hot-take-item {
  gap: 10px;
}

.hot-take-content {
  margin-bottom: 0;
  white-space: pre-wrap;
}

.hot-take-comments {
  display: grid;
  gap: 10px;
}

.hot-take-comment-list {
  margin-top: 2px;
}

.hot-take-comment-form {
  margin-top: 0;
}

.section-heading,
.comment-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.comment-form {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.reply-form {
  margin: 4px 0 0;
}

.reply-form[hidden] {
  display: none;
}

.comment-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.comment-item {
  display: grid;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--panel-border);
}

.comment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.reply-thread-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 2px;
}

.reply-list {
  display: grid;
  gap: 10px;
  margin: 4px 0 0 18px;
  padding-left: 14px;
  border-left: 2px solid var(--panel-border);
}

.reply-item {
  display: grid;
  gap: 6px;
}

.comment-text {
  margin-bottom: 0;
  white-space: pre-wrap;
}

.show-more-comments {
  margin-top: 16px;
}

.article-pdf-document {
  margin-top: 18px;
}

.article-pdf-pages {
  display: grid;
  gap: 18px;
}

.article-pdf-page {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  background: #ffffff;
}

.preview-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.preview-article {
  padding-top: 18px;
  border-top: 1px solid var(--panel-border);
}

.form-page {
  max-width: 680px;
}

.error-message {
  padding: 10px 12px;
  border: 1px solid var(--danger);
  color: var(--danger);
}

.session-panel {
  margin-bottom: 20px;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.session-field {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: 14px;
  background: #f8fbff;
  border: 1px solid var(--panel-border);
}

.session-key {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.session-field code {
  word-break: break-word;
  font-size: 0.95rem;
}

.session-note {
  margin-bottom: 0;
  color: var(--muted);
}

.auth-panel {
  max-width: 760px;
}

.demo-users {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--panel-border);
}

.credential-list {
  margin: 0;
  padding-left: 20px;
}

.welcome-note {
  margin-bottom: 0;
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.3fr);
  gap: 20px;
}

.panel {
  padding: 22px;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-header {
  margin-bottom: 16px;
}

.panel-header p,
.filter-label,
.search-field span,
.list-header p {
  color: var(--muted);
}

.ondraft-form {
  display: grid;
  gap: 10px;
}

.checkbox-field {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.checkbox-field input {
  width: auto;
}

.verification-banner {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin: 16px 0;
  padding: 12px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  background: #fff8e6;
}

.verification-banner p,
.verification-banner form {
  margin: 0;
}

.verification-resend-form {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--panel-border);
}

.board-editor-page {
  max-width: none;
}

.board-editor-form {
  display: grid;
  gap: 12px;
}

.board-class-tools {
  display: grid;
  gap: 8px;
  justify-items: end;
}

.board-class-selector-row {
  display: flex;
  gap: 6px;
  align-items: center;
  justify-content: flex-end;
}

.delete-board-year-form {
  display: none;
}

.delete-board-year-button {
  min-height: 42px;
  padding: 10px 14px;
  font-weight: 700;
}

.create-board-year-form {
  display: grid;
  gap: 6px;
  width: 148px;
  justify-self: end;
  padding: 8px;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  background: #f6f6f6;
}

.create-board-year-form span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.create-board-year-form input,
.create-board-year-form button {
  min-height: 32px;
  padding: 5px 8px;
  font-size: 0.9rem;
}

.board-editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--panel-border);
}

.board-editor-bottom-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.board-editor-bottom-save-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  align-items: center;
}

.save-status {
  display: inline-flex;
  margin-left: 10px;
  color: var(--success);
}

.save-status-error {
  color: var(--danger);
}

.board-editor-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
}

.board-editor-table {
  width: 100%;
  min-width: 1428px;
  border-collapse: collapse;
  table-layout: fixed;
  background: #ffffff;
}

.board-editor-table th,
.board-editor-table td {
  vertical-align: top;
  padding: 0;
  border-bottom: 1px solid var(--panel-border);
  border-right: 1px solid var(--panel-border);
}

.board-editor-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 8px;
  background: #f6f6f6;
  text-align: left;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.board-editor-table th:last-child,
.board-editor-table td:last-child {
  border-right: 0;
}

.board-editor-table th:nth-child(1) { width: 48px; }
.board-editor-table th:nth-child(2) { width: 62px; }
.board-editor-table th:nth-child(3) { width: 170px; }
.board-editor-table th:nth-child(4) { width: 128px; }
.board-editor-table th:nth-child(5) { width: 72px; }
.board-editor-table th:nth-child(6) { width: 82px; }
.board-editor-table th:nth-child(7) { width: 72px; }
.board-editor-table th:nth-child(8) { width: 76px; }
.board-editor-table th:nth-child(9),
.board-editor-table th:nth-child(13) { width: 64px; }
.board-editor-table th:nth-child(10),
.board-editor-table th:nth-child(11),
.board-editor-table th:nth-child(12) { width: 195px; }
.board-editor-table th:nth-child(14) { width: 180px; }

.board-editor-table input,
.board-editor-table select,
.board-editor-table textarea {
  width: 100%;
  min-height: 42px;
  padding: 8px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.board-editor-table textarea {
  min-height: 86px;
  resize: vertical;
}

.board-editor-table input:focus,
.board-editor-table select:focus,
.board-editor-table textarea:focus {
  position: relative;
  z-index: 1;
  outline: 2px solid rgba(37, 99, 235, 0.22);
  border-color: transparent;
}

.board-editor-table ::placeholder {
  color: #9ca3af;
}

.board-editor-publish-cell {
  padding: 0 !important;
  text-align: center;
}

.publish-state {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 42px;
  color: var(--muted);
}

.publish-state input {
  width: auto;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  margin-bottom: 20px;
}

.search-field,
.filter-group {
  display: grid;
  gap: 8px;
}

input,
textarea,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #ffffff;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: var(--accent);
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button.icon-button,
button.comment-like-button {
  border-color: var(--panel-border);
  background: #ffffff;
  color: var(--accent-strong);
}

button.icon-button:hover,
button.comment-like-button:hover {
  background: #eef4ff;
}

.icon-button.is-liked,
.comment-like-button.is-liked {
  border-color: var(--accent);
  background: #f6f6f6;
}

.bookmark-button {
  min-width: 40px;
}

.bookmark-button.is-bookmarked {
  border-color: var(--accent);
  background: #f6f6f6;
}

.bookmark-section {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.bookmark-list a {
  color: var(--accent-strong);
  font-weight: 600;
}

.video-grid {
  display: grid;
  gap: 12px;
}

.video-card {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 12px;
}

.video-thumb {
  display: block;
  width: 148px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  object-fit: cover;
  background: #f6f6f6;
}

.video-card-copy {
  display: grid;
  gap: 8px;
}

.video-card-copy h2,
.video-card-copy p {
  margin-bottom: 0;
}

.video-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

@media (max-width: 560px) {
  .video-card {
    grid-template-columns: 108px minmax(0, 1fr);
  }

  .video-thumb {
    width: 108px;
  }

  .video-card-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

.secondary-button {
  background: #ffffff;
  color: var(--accent-strong);
  border-color: var(--panel-border);
}

.secondary-button:hover {
  background: #eef4ff;
}

.danger-button {
  border-color: var(--danger);
  background: #ffffff;
  color: var(--danger);
}

.danger-button:hover {
  background: var(--danger-soft);
}

.segmented-control {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: #f8fbff;
  border: 1px solid var(--panel-border);
}

.segmented-control button {
  min-width: 92px;
}

.segmented-control button.is-active {
  background: var(--accent-strong);
}

.list-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.inline-form {
  margin: 0;
}

.status-banner {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
}

.status-banner p,
.status-banner h3 {
  margin-bottom: 0;
}

.status-banner h3 {
  margin-bottom: 4px;
}

.status-banner-error {
  background: var(--danger-soft);
  border-color: rgba(180, 35, 24, 0.16);
  color: var(--danger);
}

.ban-notice {
  display: grid;
  gap: 6px;
  margin: 10px 0 16px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid rgba(180, 35, 24, 0.18);
  background: var(--danger-soft);
}

.ban-notice p {
  margin: 0;
}

.empty-state {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 760px) {
  body {
    padding: 16px;
  }

  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

  .article-search-row,
  .article-sort-row,
  .article-filter-panel {
    grid-template-columns: 1fr;
  }

  .list-header,
  .preview-heading,
  .main-nav,
  .nav-actions {
    flex-direction: column;
  }

  .article-header {
    grid-template-columns: 1fr;
  }

  .article-list-item,
  .article-list-row {
    grid-template-columns: 1fr;
  }

  .article-cover-thumb {
    width: min(160px, 100%);
  }
}