:root {
  color-scheme: light dark;
  --bg-top: #f3f1ea;
  --bg-bottom: #ece7db;
  --bg-glow: rgba(236, 228, 200, 0.62);
  --paper: rgba(251, 250, 245, 0.92);
  --paper-strong: #fbfaf5;
  --ink: #1f2a28;
  --muted: #5f6b67;
  --accent: #2d5b73;
  --accent-soft: #cfd7d1;
  --edge: rgba(82, 101, 96, 0.18);
  --shadow: rgba(31, 42, 40, 0.1);
  --surface-elevated: var(--paper-strong);
  --surface-band: #ece4c8;
  --surface-claim-border: rgba(45, 91, 115, 0.28);
  --surface-claim-top: rgba(45, 91, 115, 0.1);
  --surface-claim-bottom: rgba(236, 228, 200, 0.78);
  --surface-inline-code: rgba(139, 94, 52, 0.08);
  --surface-stat-border: rgba(139, 94, 52, 0.14);
  --surface-stat-top: rgba(255, 247, 235, 0.95);
  --surface-stat-bottom: rgba(246, 237, 223, 0.95);
  --surface-chip: rgba(255, 249, 240, 0.65);
  --surface-chip-active-border: rgba(139, 94, 52, 0.34);
  --surface-chip-active: rgba(240, 220, 191, 0.92);
  --surface-card-border: rgba(139, 94, 52, 0.16);
  --surface-card-top: rgba(255, 250, 241, 0.97);
  --surface-card-bottom: rgba(247, 238, 225, 0.97);
  --surface-badge: rgba(139, 94, 52, 0.1);
  --surface-commit-top: rgba(255, 252, 247, 0.95);
  --surface-commit-bottom: rgba(245, 241, 232, 0.95);
  --surface-post-top: rgba(255, 252, 246, 0.98);
  --surface-post-bottom: rgba(244, 241, 232, 0.96);
  --surface-post-highlight: rgba(255, 255, 255, 0.45);
  --surface-post-hidden-top: rgba(245, 238, 228, 0.96);
  --surface-post-hidden-bottom: rgba(238, 228, 213, 0.94);
  --surface-quote-border: rgba(139, 94, 52, 0.35);
  --surface-technical: rgba(255, 249, 240, 0.84);
  --surface-input: rgba(255, 251, 244, 0.96);
  --surface-button-top: rgba(255, 247, 235, 0.98);
  --surface-button-bottom: rgba(236, 228, 200, 0.98);
  --surface-compose-card: rgba(255, 249, 240, 0.72);
  --surface-table-border: rgba(139, 94, 52, 0.16);
  --surface-table-alt: rgba(255, 249, 240, 0.68);
  --surface-table-target-outline: rgba(139, 94, 52, 0.4);
  --surface-table-target: rgba(255, 245, 230, 0.92);
  --surface-task-id: rgba(45, 91, 115, 0.1);
  --surface-task-context: rgba(255, 249, 240, 0.72);
  --surface-board-hover: #e4ece6;
  --surface-board-divider: #cfd7d1;

}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-top: #111820;
    --bg-bottom: #0a1016;
    --bg-glow: rgba(54, 93, 115, 0.26);
    --paper: rgba(18, 25, 33, 0.92);
    --paper-strong: #18212b;
    --ink: #e4ece9;
    --muted: #b4c0bc;
    --accent: #8fc4df;
    --accent-soft: #41515a;
    --edge: rgba(162, 184, 180, 0.22);
    --shadow: rgba(0, 0, 0, 0.42);
    --surface-elevated: #18212b;
    --surface-band: #23313d;
    --surface-claim-border: rgba(143, 196, 223, 0.34);
    --surface-claim-top: rgba(143, 196, 223, 0.18);
    --surface-claim-bottom: rgba(53, 68, 81, 0.86);
    --surface-inline-code: rgba(143, 196, 223, 0.14);
    --surface-stat-border: rgba(143, 196, 223, 0.18);
    --surface-stat-top: rgba(35, 46, 57, 0.98);
    --surface-stat-bottom: rgba(25, 34, 43, 0.98);
    --surface-chip: rgba(32, 42, 52, 0.92);
    --surface-chip-active-border: rgba(143, 196, 223, 0.38);
    --surface-chip-active: rgba(40, 57, 71, 0.98);
    --surface-card-border: rgba(143, 196, 223, 0.18);
    --surface-card-top: rgba(30, 40, 50, 0.98);
    --surface-card-bottom: rgba(21, 29, 37, 0.98);
    --surface-badge: rgba(143, 196, 223, 0.16);
    --surface-commit-top: rgba(30, 40, 49, 0.98);
    --surface-commit-bottom: rgba(21, 29, 37, 0.98);
    --surface-post-top: rgba(31, 41, 50, 0.98);
    --surface-post-bottom: rgba(22, 29, 37, 0.98);
    --surface-post-highlight: rgba(255, 255, 255, 0.05);
    --surface-post-hidden-top: rgba(48, 40, 33, 0.96);
    --surface-post-hidden-bottom: rgba(34, 28, 23, 0.96);
    --surface-quote-border: rgba(143, 196, 223, 0.35);
    --surface-technical: rgba(28, 37, 46, 0.96);
    --surface-input: rgba(28, 37, 46, 0.98);
    --surface-button-top: rgba(41, 56, 68, 0.98);
    --surface-button-bottom: rgba(28, 39, 48, 0.98);
    --surface-compose-card: rgba(30, 40, 50, 0.92);
    --surface-table-border: rgba(143, 196, 223, 0.18);
    --surface-table-alt: rgba(29, 39, 49, 0.86);
    --surface-table-target-outline: rgba(143, 196, 223, 0.45);
    --surface-table-target: rgba(38, 53, 66, 0.95);
    --surface-task-id: rgba(143, 196, 223, 0.15);
    --surface-task-context: rgba(30, 40, 50, 0.92);
    --surface-board-hover: #263742;
    --surface-board-divider: #41515a;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top, var(--bg-glow), transparent 34%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  font-family: Verdana, Tahoma, Geneva, sans-serif;
}

.page-shell {
  width: min(1180px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2.5rem;
}

.page-shell.page-shell-wide {
  width: calc(100vw - 2rem);
  max-width: 1600px;
}

.content-shell {
  display: grid;
  gap: 1rem;
}

.site-header,
.site-footer {
  border: 1px solid var(--accent-soft);
  background: var(--surface-elevated);
  box-shadow: 0 14px 34px var(--shadow);
}

.site-header {
  margin-bottom: 1rem;
}

.site-username-claim {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  border-color: var(--surface-claim-border);
  background: linear-gradient(135deg, var(--surface-claim-top), var(--surface-claim-bottom));
}

html[data-username-claim-visible="0"] .site-username-claim[data-username-claim-cta],
html:not([data-username-claim-visible]) .site-username-claim[data-username-claim-cta] {
  display: none;
}

.site-username-claim-copy {
  display: grid;
  gap: 0.2rem;
}

.site-username-claim-kicker {
  margin: 0;
  color: var(--accent);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-username-claim-text {
  margin: 0;
  color: var(--ink);
  line-height: 1.45;
}

.site-username-claim-link {
  white-space: nowrap;
}

.site-header-band,
.site-header-main,
.site-header-page-intro,
.site-footer-inner {
  padding: 0.9rem 1.1rem;
}

.site-header-band {
  border-bottom: 1px solid var(--accent-soft);
  background: var(--surface-band);
}

.site-header-band p,
.site-header-page-intro p,
.site-footer-inner p {
  margin: 0;
}

.site-header-main,
.site-header-nav,
.site-header-lockup {
  display: flex;
  align-items: flex-start;
}

.site-header-main {
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--accent-soft);
}

.site-header-lockup {
  gap: 0.8rem;
}

.site-header-mark,
.site-header-kicker,
.site-header-tagline,
.site-footer-inner p:last-child {
  font-family: "Courier New", Courier, monospace;
}

.site-header-mark {
  margin: 0;
  color: var(--accent);
}

.site-header-copy,
.site-header-title,
.site-header-title a {
  margin: 0;
}

.site-header-title a {
  color: var(--ink);
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 2vw, 2.3rem);
}

.site-header-tagline {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-header-nav {
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-header-nav a {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--accent-soft);
  color: var(--ink);
  text-decoration: none;
}

.site-header-page-intro {
  display: grid;
  gap: 0.3rem;
}

.site-header-kicker {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header-heading {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.site-header-text {
  max-width: 48rem;
  color: var(--muted);
  line-height: 1.55;
}

.compose-instructions {
  color: var(--muted);
  margin: 0.75rem 0;
  line-height: 1.4;
}

.site-footer {
  margin-top: 1rem;
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.panel {
  padding: 1.35rem;
  border: 1px solid var(--edge);
  border-radius: 0;
  background: var(--paper-strong);
  box-shadow: 0 10px 24px var(--shadow);
}

.panel h2 {
  margin: 0 0 0.35rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
}

.panel p {
  margin: 0;
  line-height: 1.55;
  color: var(--muted);
}

.panel code {
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  background: var(--surface-inline-code);
}

.section-head {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.stat-card {
  display: grid;
  gap: 0.4rem;
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid var(--surface-stat-border);
  background: linear-gradient(180deg, var(--surface-stat-top), var(--surface-stat-bottom));
}

.stat-number {
  display: block;
  font-size: 2rem;
  line-height: 1;
}

.stat-label {
  display: block;
  color: var(--muted);
}

.tag-list,
.thread-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-chip,
.thread-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--accent-soft);
  border-radius: 0;
  background: var(--surface-chip);
  color: var(--ink);
  text-decoration: none;
}

.thread-chip span {
  color: var(--muted);
}

.thread-chip--thread {
  font-weight: 700;
}

.thread-chip--reply {
  font-weight: 400;
}

.thread-chip-active {
  border-color: var(--surface-chip-active-border);
  background: var(--surface-chip-active);
  color: var(--accent);
  font-weight: 700;
}

.board-section {
  scroll-margin-top: 1rem;
}

.thread-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.thread-card {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border-radius: 20px;
  border: 1px solid var(--surface-card-border);
  background: linear-gradient(180deg, var(--surface-card-top), var(--surface-card-bottom));
}

.thread-badge {
  display: inline-flex;
  width: fit-content;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--surface-badge);
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.thread-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.thread-card a {
  color: var(--ink);
  text-decoration: none;
}

.thread-card a:hover {
  color: var(--accent);
}

.thread-card p {
  margin: 0;
}

.thread-id,
.thread-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a::after {
  content: "/";
  margin-left: 0.55rem;
  color: var(--accent-soft);
}

.breadcrumb a:last-child::after {
  content: "";
  margin: 0;
}

.page-section {
  display: grid;
  gap: 1rem;
}

.page-lede {
  padding-bottom: 0.7rem;
  border-bottom: 1px dotted var(--accent-soft);
}

.requirements-list {
  margin: 0;
}

.requirements-section {
  gap: 0;
}

.requirements-section .section-head {
  margin-bottom: 0;
}

.link-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.post-stack {
  display: grid;
  gap: 1rem;
}

.commit-stack {
  display: grid;
  gap: 1rem;
}

.commit-card {
  border: 1px solid var(--accent-soft);
  background: linear-gradient(180deg, var(--surface-commit-top), var(--surface-commit-bottom));
  padding: 1rem;
}

.commit-card-meta {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.commit-posts {
  display: grid;
  gap: 0.75rem;
}

.post-card {
  padding: 1rem;
  border-radius: 0;
  border: 1px solid var(--accent-soft);
  background: linear-gradient(180deg, var(--surface-post-top), var(--surface-post-bottom));
  box-shadow: inset 0 1px 0 var(--surface-post-highlight);
}

.post-card--hidden {
  border-style: dashed;
  background: linear-gradient(180deg, var(--surface-post-hidden-top), var(--surface-post-hidden-bottom));
}

.post-meta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

.post-id,
.post-tags,
.post-relation,
.post-link,
.post-identity,
.post-timestamp {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-subject {
  margin: 0 0 0.7rem;
  font-size: 1.35rem;
}

.post-body {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.post-body p {
  color: var(--ink);
}

.quote-line {
  padding-left: 0.9rem;
  border-left: 3px solid var(--surface-quote-border);
  color: var(--muted);
}

.moderation-note {
  font-style: italic;
}

.post-card a {
  color: var(--accent);
  text-decoration: none;
}

.post-card a:hover,
.breadcrumb a:hover {
  color: var(--ink);
}

.profile-grid {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem 1rem;
}

.detail-grid > * {
  margin: 0;
}

.detail-row {
  display: grid;
  gap: 0.38rem;
  align-content: start;
}

.detail-label {
  margin: 0;
  opacity: 0.65;
}

.detail-value {
  min-width: 0;
}

.detail-value--truncate {
  display: inline-block;
  max-width: min(100%, 32ch);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: top;
}

.profile-grid > * {
  margin: 0;
}

.profile-grid p {
  margin: 0;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.technical-textarea,
.key-display,
.key-block {
  border: 1px solid var(--accent-soft);
  border-radius: 0;
  background: var(--surface-technical);
  color: var(--ink);
  font: 0.82rem/1.45 "Courier New", Courier, monospace;
}

textarea.technical-textarea,
textarea.key-display {
  width: min(100%, 72ch);
  max-width: 72ch;
}

.copy-textarea-wrap {
  position: relative;
  width: fit-content;
  max-width: 100%;
}

.copy-textarea-wrap--full {
  width: 100%;
}

.copy-textarea-wrap textarea {
  display: block;
}

.copy-textarea-button {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 1;
  padding: 0.2rem 0.45rem;
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(17, 22, 28, 0.88);
  color: rgba(244, 240, 233, 0.88);
  font: 0.72rem/1.2 "Courier New", Courier, monospace;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.copy-textarea-button:hover,
.copy-textarea-button:focus-visible {
  background: rgba(25, 33, 41, 0.95);
  color: #fff8ee;
}

.copy-textarea-button[data-copy-state="done"] {
  color: #cfe7d5;
}

.key-display-panel {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.key-display-head h2 {
  margin: 0;
  font-size: 1rem;
}

textarea.profile-public-key-textarea {
  width: 100%;
  max-width: none;
}

#private-key-input,
#public-key-output,
#key-private-key-output,
#key-public-key-output,
#profile-private-key-output,
#profile-public-key-output {
  width: min(100%, calc(64ch + 1.5rem + 2px));
  max-width: calc(64ch + 1.5rem + 2px);
}

.key-block {
  overflow-x: auto;
  margin: 0;
  padding: 1rem;
}

.moderation-card {
  gap: 0.8rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--accent-soft);
  border-radius: 0;
  background: var(--surface-input);
  color: var(--ink);
}

textarea {
  resize: vertical;
}

textarea.technical-textarea,
textarea.key-display {
  min-height: 10rem;
}

button {
  padding: 0.8rem 1rem;
  border: 1px solid var(--accent-soft);
  border-radius: 0;
  background: linear-gradient(180deg, var(--surface-button-top), var(--surface-button-bottom));
  color: var(--ink);
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.compose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 31rem), 1fr));
  gap: 0.75rem;
}

.compose-card {
  display: grid;
  gap: 0.85rem;
  padding: 0.75rem;
  border: 1px solid var(--accent-soft);
  background: var(--surface-compose-card);
}

.compose-panel {
  padding: 1rem;
}

.compose-panel input,
.compose-panel textarea,
.compose-details input,
.compose-details textarea {
  padding: 0.7rem 0.75rem;
}

details.panel.page-section > summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

details.panel.page-section[open] > summary {
  margin-bottom: 1rem;
}

.field-stack {
  display: grid;
  gap: 0.4rem;
}

.field-stack span {
  font-size: 0.92rem;
  color: var(--muted);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

.field-grid-span {
  grid-column: 1 / -1;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.compose-submit-area {
  display: grid;
  gap: 0.75rem;
}

.status-note {
  min-height: 1.4rem;
}

.compose-submit-status {
  margin: 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--accent-soft);
  border-radius: 0.75rem;
  background: var(--surface-elevated);
}

.compose-submit-status[data-status-tone="idle"] {
  color: var(--muted);
}

.compose-submit-status[data-status-tone="active"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 35%, var(--surface-elevated));
  color: var(--ink);
}

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

.priority-table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
  border: 1px solid var(--accent-soft);
}

.priority-table .col-task-id {
  width: 7%;
}

.priority-table .col-task-main {
  width: 37%;
}

.priority-table .col-impact {
  width: 11%;
}

.priority-table .col-difficulty {
  width: 13%;
}

.priority-table .col-dependencies {
  width: 11%;
}

.priority-table .col-sources {
  width: 13%;
}

.priority-table .col-comments {
  width: 8%;
}

.priority-table caption {
  padding: 0 0 1rem;
  text-align: left;
  color: var(--muted);
}

.priority-table th,
.priority-table td {
  padding: 0.9rem 0.85rem;
  border-bottom: 1px solid var(--surface-table-border);
  text-align: left;
  vertical-align: top;
}

.priority-table tbody tr:nth-child(even) {
  background: var(--surface-table-alt);
}

.priority-table tbody tr:target {
  outline: 2px solid var(--surface-table-target-outline);
  outline-offset: -2px;
  background: var(--surface-table-target);
}

.priority-table th[aria-sort="ascending"],
.priority-table th[aria-sort="descending"] {
  color: var(--accent);
}

.sort-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.sort-button::after {
  content: " ";
  width: 0.8rem;
  text-align: center;
  color: var(--accent);
}

.priority-table th[aria-sort="ascending"] .sort-button::after {
  content: "^";
}

.priority-table th[aria-sort="descending"] .sort-button::after {
  content: "v";
}

.task-id {
  display: inline-flex;
  padding: 0.25rem 0.5rem;
  border-radius: 0;
  background: var(--surface-task-id);
  color: var(--accent);
  font: 0.82rem/1.2 "Courier New", Courier, monospace;
  text-decoration: none;
}

.task-title {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  line-height: 1.35;
}

.task-link {
  color: var(--ink);
  text-decoration: none;
}

.task-link:hover {
  color: var(--accent);
}

.task-note {
  margin: 0 0 0.45rem;
  line-height: 1.45;
}

.task-status,
.discussion-note {
  margin: 0;
}

.task-note,
.task-status,
.dep-list,
.source-list,
.discussion-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.task-note {
  max-width: 32rem;
}

.task-note--detail {
  margin-top: 1rem;
  max-width: 48rem;
}

.task-thread-context {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--accent-soft);
  border-radius: 0;
  background: var(--surface-task-context);
}

.task-thread-context h3 {
  margin: 0;
  font-size: 1rem;
}

.task-status {
  margin-top: 0.45rem;
}

.rating-value {
  font: 0.95rem/1.4 "Courier New", Courier, monospace;
  color: var(--ink);
  white-space: nowrap;
}

.source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.source-list code {
  white-space: nowrap;
}

.dep-list a,
.discussion-note a {
  color: var(--accent);
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.board-index-thread-rank,
.board-index-thread-tags {
  font-family: "Courier New", Courier, monospace;
}
.board-index-thread-main h3 a:hover,
.board-index-thread-main h3 a:focus-visible {
  background: var(--surface-board-hover);
  text-decoration: underline;
}

.board-index-thread-list {
  margin: 0 -1.35rem -1.35rem;
  border-top: 1px solid var(--surface-board-divider);
}

.board-index-thread-row {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.95rem 1.1rem;
  border-top: 1px dotted var(--surface-board-divider);
}

.board-index-thread-row:first-child {
  border-top: 0;
}

.board-index-thread-rank {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.board-index-thread-main {
  display: grid;
  gap: 0.28rem;
}

.board-index-thread-main h3,
.board-index-thread-main p {
  margin: 0;
}

.board-index-thread-main h3 {
  font-size: 1.06rem;
  line-height: 1.3;
}

.board-index-thread-main h3 a {
  color: var(--ink);
  text-decoration: underline;
}

.board-index-thread-tags {
  color: var(--accent);
  font-size: 0.8rem;
}

@media (max-width: 700px) {
  .page-shell {
    width: min(100vw - 1rem, 1080px);
    padding-top: 0.75rem;
  }

  .site-header-band,
  .site-header-main,
  .site-header-page-intro,
  .site-footer-inner,
  .site-username-claim,
  .panel {
    padding: 1rem;
  }

  .site-header-heading {
    line-height: 1.1;
  }

  .site-header-main,
  .site-footer-inner,
  .site-username-claim {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .board-index-thread-row {
    grid-template-columns: 1fr;
  }
}