*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --cp-note-paper: #f7f3e7;
  --cp-note-border: #d8caa9;
  --cp-note-ink: #101418;
}

html[data-theme="dark"] {
  --cp-note-paper: #f7f3e7;
  --cp-note-border: #d8caa9;
  --cp-note-ink: #101418;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 19px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

code,
pre,
kbd,
samp {
  font-family: Consolas, "Courier New", Courier, monospace;
}

a {
  color: var(--cp-link);
}

a:hover {
  color: var(--cp-accent);
}

.ia-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 36px 96px;
}

.ia-header {
  margin-bottom: 48px;
}

.ia-eyebrow {
  margin: 0 0 16px;
  color: var(--cp-text-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ia-title {
  margin: 0 0 18px;
  color: var(--cp-text);
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.ia-subtitle {
  max-width: 780px;
  margin: 0;
  color: var(--cp-text-muted);
  font-size: 20px;
}

.ia-date {
  margin: 14px 0 0;
  color: var(--cp-text-soft);
  font-size: 14px;
  font-weight: 600;
}

.ia-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--cp-border);
  color: var(--cp-text-soft);
  font-size: 14px;
}

.ia-links a {
  text-decoration: none;
}

.ia-links a:hover {
  text-decoration: underline;
}

.ia-author-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.ia-author-copy {
  min-width: 0;
}

.ia-author-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.ia-author-row .ia-eyebrow {
  margin: 0;
}

.ia-avatar {
  display: block;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: 999px;
  box-shadow: 0 0 0 1px var(--cp-border-strong), 0 16px 40px rgba(1, 4, 9, 0.22);
}

.ia-avatar-hero {
  width: 112px;
  height: 112px;
}

.ia-avatar-small {
  width: 40px;
  height: 40px;
  box-shadow: 0 0 0 1px var(--cp-border-strong), 0 8px 20px rgba(1, 4, 9, 0.18);
}

.ia-toc {
  margin: 0 0 56px;
  padding: 20px 24px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-toc-title,
.ia-group-title,
.ia-summary-card h3 {
  margin: 0;
  color: var(--cp-text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.ia-toc-title {
  margin-bottom: 14px;
}

.ia-toc-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ia-toc-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 6px 0;
  color: var(--cp-text-muted);
  font-size: 14px;
  text-decoration: none;
}

.ia-toc-list a:hover {
  color: var(--cp-accent);
}

.ia-toc-num {
  min-width: 24px;
  color: var(--cp-text-soft);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 12px;
}

.ia-group {
  margin-bottom: 56px;
}

.ia-group-title {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cp-border);
}

.ia-card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ia-card-list + .ia-card-list,
.ia-card-list + .ia-card,
.ia-card + .ia-card-list,
.ia-card + .ia-card {
  margin-top: 8px;
}

.ia-card-list > .ia-card + .ia-card {
  margin-top: 0;
}

.ia-card {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  transition: background 0.15s, border-color 0.15s;
}

.ia-card:hover {
  border-color: var(--cp-border-strong);
}

.ia-card.is-open {
  background: var(--cp-bg-elevated);
  border-color: var(--cp-accent);
}

.ia-card-head {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: transparent;
  border: 0;
  color: var(--cp-text);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.ia-card-header {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: transparent;
  border: 0;
  color: var(--cp-text);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.ia-card-header > span:first-child {
  flex: 1;
  color: var(--cp-text);
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.005em;
}

.ia-card-indicator {
  color: var(--cp-text-soft);
  font-size: 12px;
  transition: color 0.15s, transform 0.2s;
}

.ia-card-indicator::before {
  content: "▾";
}

.ia-card.is-open .ia-card-indicator {
  color: var(--cp-accent);
  transform: rotate(180deg);
}

.ia-card-num {
  flex-shrink: 0;
  width: 28px;
  color: var(--cp-text-soft);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 12px;
  font-weight: 700;
}

.ia-card.is-open .ia-card-num {
  color: var(--cp-accent);
}

.ia-card-title {
  flex: 1;
  color: var(--cp-text);
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.005em;
}

.ia-card-toggle {
  color: var(--cp-text-soft);
  font-size: 12px;
  transition: color 0.15s, transform 0.2s;
}

.ia-card.is-open .ia-card-toggle {
  color: var(--cp-accent);
  transform: rotate(180deg);
}

.ia-card-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.ia-card.is-open .ia-card-body,
.ia-card.no-js .ia-card-body {
  grid-template-rows: 1fr;
}

.ia-card-body-clip {
  overflow: hidden;
}

.ia-card-content {
  padding: 0 32px 32px 72px;
  color: var(--cp-text-muted);
  font-size: 17.5px;
}

.ia-card-body.ia-prose {
  display: block;
  max-height: 0;
  overflow: hidden;
  padding: 0 32px;
  transition: max-height 0.25s ease, padding 0.25s ease;
}

.ia-card.is-open .ia-card-body.ia-prose,
html:not(.ia-js) .ia-card-body.ia-prose {
  max-height: 9999px;
  padding-bottom: 32px;
}

.ia-prose > *:first-child {
  margin-top: 0;
}

.ia-prose > *:last-child {
  margin-bottom: 0;
}

.ia-prose p {
  margin: 0 0 12px;
  color: var(--cp-text);
}

.ia-prose ul,
.ia-prose ol {
  margin: 0 0 14px;
  padding-left: 22px;
  color: var(--cp-text-muted);
}

.ia-prose li {
  margin-bottom: 6px;
}

.ia-prose strong {
  color: var(--cp-text);
  font-weight: 650;
}

.ia-prose code,
.ia-summary-card code {
  padding: 1px 6px;
  background: var(--cp-surface-soft);
  border-radius: 4px;
  color: var(--cp-text);
  font-size: 0.88em;
}

.ia-code pre code,
.ia-prose pre code {
  display: block;
  padding: 0;
  background: transparent;
  border-radius: 0;
  color: inherit;
  font: inherit;
}

.ia-code {
  margin: 14px 0;
}

.ia-code-label {
  display: inline-block;
  margin-bottom: 0;
  padding: 2px 8px;
  border: 1px solid var(--cp-border);
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
  color: var(--cp-text-muted);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ia-code-label.good {
  color: var(--cp-success);
}

.ia-code-label.bad {
  color: var(--cp-danger);
}

.ia-code pre,
.ia-prose pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  color: var(--cp-text);
  font-size: 15.5px;
  line-height: 1.35;
  white-space: pre;
}

.ia-code.has-label pre {
  border-radius: 0 6px 6px 6px;
}

.ia-code.good pre {
  border-left: 2px solid var(--cp-success);
}

.ia-code.bad pre {
  border-left: 2px solid var(--cp-danger);
}

.ia-table-wrap {
  margin: 18px 0;
  overflow-x: auto;
}

.ia-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16.5px;
  font-variant-numeric: tabular-nums;
}

.ia-prose th,
.ia-prose td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--cp-border);
  text-align: left;
  vertical-align: top;
}

.ia-prose th {
  color: var(--cp-text-soft);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ia-prose td {
  color: var(--cp-text-muted);
}

.ia-prose td:first-child {
  color: var(--cp-text);
}

.ia-prose .right,
.ia-prose th.align-right,
.ia-prose td.align-right {
  text-align: right;
}

.ia-callout {
  margin: 18px 0;
  padding: 18px 22px;
  background: var(--cp-accent-soft);
  border-left: 3px solid var(--cp-accent);
  border-radius: 6px;
  color: var(--cp-text);
  font-size: 17px;
}

.ia-callout-title {
  display: block;
  margin-bottom: 4px;
  color: var(--cp-accent);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ia-callout.warning {
  background: var(--cp-surface-soft);
  border-left-color: var(--cp-warning);
}

.ia-callout.warning .ia-callout-title {
  color: var(--cp-warning);
}

.ia-callout.verdict,
.ia-callout.author {
  background: var(--cp-surface-soft);
  border-left-color: var(--cp-accent);
}

.ia-callout.verdict .ia-callout-title,
.ia-callout.author .ia-callout-title {
  color: var(--cp-accent);
}

.ia-reveal {
  margin: 14px 0;
}

.ia-reveal-button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  color: var(--cp-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 17px;
  font-weight: 600;
  text-align: left;
  transition: border-color 0.15s, color 0.15s;
}

.ia-reveal-button:hover {
  border-color: var(--cp-accent);
  color: var(--cp-text);
}

.ia-reveal-arrow {
  color: var(--cp-text-soft);
  font-size: 10px;
  transition: color 0.15s, transform 0.2s;
}

.ia-reveal.is-open .ia-reveal-arrow {
  color: var(--cp-accent);
  transform: rotate(90deg);
}

.ia-reveal-body {
  display: grid;
  grid-template-rows: 0fr;
  max-height: 0;
  overflow: hidden;
  transition: grid-template-rows 0.25s ease;
}

.ia-reveal.is-open .ia-reveal-body,
.ia-reveal.no-js .ia-reveal-body {
  grid-template-rows: 1fr;
  max-height: 9999px;
}

.ia-reveal-body-clip {
  overflow: hidden;
}

.ia-reveal-content {
  padding: 14px 4px 6px;
  font-size: 17.5px;
}

.ia-tabs {
  margin: 16px 0;
}

.ia-tab-list {
  display: flex;
  gap: 4px;
  padding: 4px;
  overflow-x: auto;
  background: var(--cp-bg);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
}

.ia-tab {
  flex: 1;
  min-width: max-content;
  padding: 10px 14px;
  background: transparent;
  border: 0;
  border-radius: 5px;
  color: var(--cp-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}

.ia-tab:hover {
  color: var(--cp-text);
}

.ia-tab[aria-selected="true"] {
  background: var(--cp-surface-soft);
  color: var(--cp-text);
}

.ia-tab-panel {
  margin-top: 12px;
  padding: 18px 20px;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  color: var(--cp-text);
}

.ia-tab-panel > *:last-child {
  margin-bottom: 0;
}

.ia-handwritten-note {
  margin: 14px 0 22px;
  padding: 18px 26px;
  background: var(--cp-note-paper, #f7f3e7);
  border: 1px solid var(--cp-note-border, #d8caa9);
  border-radius: 10px;
  color: var(--cp-note-ink, #101418);
  font-family: "Segoe Print", "Bradley Hand ITC", "Comic Sans MS", cursive;
  font-size: clamp(19px, 1.65vw, 25px);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.55;
  overflow-wrap: anywhere;
  -webkit-text-fill-color: var(--cp-note-ink, #101418);
}

html[data-theme="dark"] .ia-handwritten-note {
  background: var(--cp-note-paper, #f7f3e7);
  border-color: var(--cp-note-border, #d8caa9);
  color: var(--cp-note-ink, #101418);
  -webkit-text-fill-color: var(--cp-note-ink, #101418);
}

.ia-tab-panel[hidden] {
  display: none;
}

.ia-sequence,
.ia-steps {
  margin: 20px 0;
  padding: 18px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-sequence-title,
.ia-steps-title {
  margin: 0 0 16px;
  color: var(--cp-text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.ia-sequence-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ia-sequence-item {
  position: relative;
  padding: 16px;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
}

.ia-sequence-item:not(:last-child)::after {
  content: "->";
  position: absolute;
  top: 50%;
  right: -17px;
  z-index: 1;
  color: var(--cp-accent);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 13px;
  font-weight: 700;
  transform: translateY(-50%);
}

.ia-sequence-step,
.ia-step-num {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  background: var(--cp-accent-soft);
  border: 1px solid var(--cp-border);
  border-radius: 999px;
  color: var(--cp-accent);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-size: 12px;
  font-weight: 700;
}

.ia-sequence-item strong,
.ia-step-title {
  display: block;
  margin-bottom: 6px;
  color: var(--cp-text);
  font-weight: 650;
}

.ia-sequence-item p,
.ia-step p {
  margin: 0;
  color: var(--cp-text-muted);
  font-size: 16.5px;
}

.ia-steps-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ia-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding: 14px 16px;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
}

.ia-step-num {
  margin-bottom: 0;
}

.ia-figure {
  margin: 18px 0;
}

.ia-figure a {
  display: block;
  cursor: zoom-in;
}

.ia-image {
  display: block;
  width: 100%;
  height: auto;
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
}

.ia-figure figcaption {
  margin-top: 8px;
  color: var(--cp-text-soft);
  font-size: 16.5px;
}

.ia-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
  padding: 22px;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 12px;
}

.ia-summary-card {
  padding: 22px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-summary-item {
  padding: 18px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-summary-item strong {
  display: block;
  margin-bottom: 6px;
  color: var(--cp-accent);
}

.ia-summary-item p {
  margin: 0;
  color: var(--cp-text-muted);
  font-size: 16.5px;
}

.ia-summary-card h3 {
  margin-bottom: 14px;
}

.ia-summary-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ia-summary-card li {
  position: relative;
  padding: 9px 0 9px 26px;
  border-bottom: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
  font-size: 16.5px;
}

.ia-summary-card li:last-child {
  border-bottom: 0;
}

.ia-summary-card li::before {
  content: "->";
  position: absolute;
  top: 9px;
  left: 0;
  color: var(--cp-accent);
  font-weight: 700;
}

.ia-detail-grid {
  margin: 20px 0 28px;
  padding: 22px;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 12px;
}

.ia-detail-grid-head {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 16px;
}

.ia-detail-grid-title {
  margin: 0;
  color: var(--cp-text);
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.ia-detail-grid-hint {
  margin: 0;
  color: var(--cp-text-soft);
  font-size: 14px;
}

.ia-detail-grid-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ia-detail-card {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
  overflow: hidden;
}

.ia-detail-card-button {
  display: block;
  width: 100%;
  padding: 20px;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.ia-detail-card-button:hover,
.ia-detail-card-button:focus-visible {
  outline: 0;
  background: var(--cp-accent-soft);
}

.ia-detail-card-title {
  display: block;
  margin-bottom: 8px;
  color: var(--cp-text);
  font-size: 18px;
  font-weight: 650;
}

.ia-detail-card-summary {
  display: block;
  color: var(--cp-text-muted);
  font-size: 16px;
  line-height: 1.55;
}

.ia-detail-card-action {
  display: inline-block;
  margin-top: 14px;
  color: var(--cp-accent);
  font-size: 13px;
  font-weight: 650;
}

.ia-detail-content {
  padding: 0 20px 20px;
  border-top: 1px solid var(--cp-border);
}

.ia-detail-dialog,
.ia-lightbox-dialog {
  width: min(880px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  background: var(--cp-bg);
  border: 1px solid var(--cp-border-strong);
  border-radius: 14px;
  box-shadow: 0 24px 80px rgba(1, 4, 9, 0.35);
  color: var(--cp-text);
}

.ia-detail-dialog::backdrop,
.ia-lightbox-dialog::backdrop {
  background: rgba(1, 4, 9, 0.72);
}

.ia-detail-dialog-shell,
.ia-lightbox-shell {
  position: relative;
}

.ia-detail-dialog-shell {
  padding: 30px;
}

.ia-detail-dialog-content {
  max-height: calc(100vh - 120px);
  overflow: auto;
}

.ia-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 999px;
  color: var(--cp-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 20px;
  line-height: 1;
}

.ia-dialog-close:hover,
.ia-dialog-close:focus-visible {
  border-color: var(--cp-accent);
  color: var(--cp-accent);
  outline: 0;
}

.ia-lightbox-dialog {
  width: min(1280px, calc(100vw - 32px));
}

.ia-lightbox-shell {
  padding: 18px;
}

.ia-lightbox-toolbar {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
}

.ia-lightbox-zoom {
  padding: 7px 12px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 999px;
  color: var(--cp-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
}

.ia-lightbox-zoom:hover,
.ia-lightbox-zoom:focus-visible {
  border-color: var(--cp-accent);
  color: var(--cp-accent);
  outline: 0;
}

.ia-lightbox-viewport {
  max-height: calc(100vh - 130px);
  overflow: auto;
  touch-action: none;
}

.ia-lightbox-img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 130px);
  margin: 0 auto;
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  cursor: zoom-in;
}

.ia-lightbox-dialog.is-zoomed .ia-lightbox-img {
  cursor: zoom-out;
}

.ia-lightbox-dialog.is-zoomed .ia-lightbox-viewport {
  cursor: grab;
}

.ia-lightbox-dialog.is-zoomed .ia-lightbox-viewport.is-panning {
  cursor: grabbing;
}

.ia-lightbox-caption {
  margin: 12px 48px 0;
  color: var(--cp-text-soft);
  font-size: 15px;
  text-align: center;
}

.ia-arrow-list {
  margin: 20px 0;
  padding: 22px;
  background: var(--cp-bg-elevated);
  border: 1px solid var(--cp-border);
  border-radius: 12px;
}

.ia-arrow-list-title {
  margin: 0 0 12px;
  color: var(--cp-text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.ia-arrow-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ia-arrow-list li {
  position: relative;
  padding: 11px 0 11px 30px;
  border-bottom: 1px solid var(--cp-border);
  color: var(--cp-text-muted);
}

.ia-arrow-list li:last-child {
  border-bottom: 0;
}

.ia-arrow-list li::before {
  content: "->";
  position: absolute;
  top: 11px;
  left: 0;
  color: var(--cp-accent);
  font-family: Consolas, "Courier New", Courier, monospace;
  font-weight: 700;
}

.ia-closing {
  margin-top: 40px;
  padding: 32px 28px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  text-align: center;
}

.ia-closing .ia-quote {
  max-width: 720px;
  margin: 0 auto;
  color: var(--cp-text);
  font-size: 23px;
  font-weight: 550;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.ia-closing strong {
  color: var(--cp-accent);
}

.ia-closing p {
  max-width: 760px;
  margin: 0 auto;
  color: var(--cp-text);
  font-size: 23px;
  font-weight: 550;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.ia-controls {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
  display: flex;
  gap: 6px;
  align-items: center;
}

.ia-control {
  padding: 9px 16px;
  background: var(--cp-panel);
  border: 1px solid var(--cp-border-strong);
  border-radius: 6px;
  color: var(--cp-text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  transition: border-color 0.15s, color 0.15s;
}

.ia-control:hover {
  border-color: var(--cp-accent);
  color: var(--cp-accent);
}

.ia-control.theme {
  min-width: 112px;
}

.ia-footer {
  margin-top: 48px;
  padding: 48px 20px 0;
  border-top: 1px solid var(--cp-border);
  color: var(--cp-text-soft);
  font-size: 12px;
  text-align: center;
}

.ia-footer a {
  color: var(--cp-link);
}

.ia-index-page .ia-header {
  margin-bottom: 40px;
}

.ia-index-hero .ia-subtitle {
  max-width: 860px;
}

.ia-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ia-index-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 22px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-index-card h3 {
  margin: 0 0 10px;
  color: var(--cp-text);
  font-size: 20px;
  line-height: 1.28;
}

.ia-index-card h3 a {
  color: inherit;
  text-decoration: none;
}

.ia-index-card h3 a:hover {
  color: var(--cp-link);
  text-decoration: underline;
}

.ia-index-card p {
  margin: 0 0 14px;
  color: var(--cp-text-muted);
  font-size: 16px;
  line-height: 1.55;
}

.ia-index-date {
  color: var(--cp-text-soft) !important;
  font-size: 13px !important;
  font-weight: 650;
}

.ia-theme-list {
  gap: 12px;
}

.ia-theme-card .ia-card-content {
  padding-left: 32px;
}

.ia-theme-links {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.ia-theme-links li,
.ia-article-list li {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--cp-border);
}

.ia-theme-links li:last-child,
.ia-article-list li:last-child {
  border-bottom: 0;
}

.ia-theme-links span,
.ia-article-list time {
  grid-column: 1;
  grid-row: 1;
  color: var(--cp-text-soft);
  font-size: 13px;
  font-weight: 650;
}

.ia-theme-links a,
.ia-article-list a {
  grid-column: 2;
  color: var(--cp-text);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.ia-theme-links a:hover,
.ia-article-list a:hover {
  color: var(--cp-link);
  text-decoration: underline;
}

.ia-year-group {
  margin: 22px 0 0;
  padding: 20px 22px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-year-group h3 {
  margin: 0 0 8px;
  color: var(--cp-text-soft);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.ia-article-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ia-section-note {
  max-width: 760px;
  margin: 0 0 16px;
  color: var(--cp-text-soft);
  font-size: 15px;
  line-height: 1.55;
}

.ia-archive-more {
  margin-top: 16px;
}

.ia-search-disclosure {
  max-width: 860px;
}

.ia-search-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--cp-panel);
  border: 1px solid var(--cp-border-strong);
  border-radius: 999px;
  color: var(--cp-text-muted);
  cursor: pointer;
  font-size: 15px;
  font-weight: 650;
  list-style: none;
}

.ia-search-summary::-webkit-details-marker {
  display: none;
}

.ia-search-summary:hover,
.ia-search-summary:focus-visible {
  border-color: var(--cp-accent);
  color: var(--cp-accent);
  outline: 0;
}

.ia-search-panel {
  margin-top: 16px;
  padding: 20px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 10px;
}

.ia-search-label {
  display: block;
  margin: 0 0 10px;
  color: var(--cp-text-muted);
  font-size: 16px;
}

.ia-search-input {
  width: 100%;
  max-width: 720px;
  padding: 13px 16px;
  background: var(--cp-panel);
  border: 1px solid var(--cp-border-strong);
  border-radius: 8px;
  color: var(--cp-text);
  font: inherit;
  font-size: 17px;
}

.ia-search-input:focus {
  border-color: var(--cp-accent);
  outline: 2px solid var(--cp-accent-soft);
}

.ia-search-status {
  margin: 10px 0 0;
  color: var(--cp-text-soft);
  font-size: 14px;
}

.ia-search-results {
  display: grid;
  gap: 10px;
  max-width: 860px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.ia-search-results li {
  padding: 16px 18px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 8px;
}

.ia-search-results a {
  color: var(--cp-text);
  font-weight: 650;
  text-decoration: none;
}

.ia-search-results a:hover {
  color: var(--cp-link);
  text-decoration: underline;
}

.ia-search-results p {
  margin: 6px 0 0;
  color: var(--cp-text-muted);
  font-size: 15px;
}

.ia-article-nav {
  margin-bottom: 28px;
}

.ia-related {
  max-width: 760px;
  margin: 0 auto 28px;
  padding: 24px;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 12px;
  text-align: left;
}

.ia-related-kicker {
  margin: 0 0 8px;
  color: var(--cp-text-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ia-related h2 {
  margin: 0 0 10px;
  color: var(--cp-text);
  font-size: 22px;
  line-height: 1.3;
}

.ia-related h2 a {
  color: inherit;
  text-decoration: none;
}

.ia-related h2 a:hover {
  color: var(--cp-link);
  text-decoration: underline;
}

.ia-related p {
  margin: 0 0 10px;
  color: var(--cp-text-muted);
  font-size: 16px;
  line-height: 1.55;
}

.ia-related .ia-related-meta {
  margin-bottom: 0;
  color: var(--cp-text-soft);
  font-size: 13px;
  font-weight: 650;
}

html:not(.ia-js) .ia-card-body,
html:not(.ia-js) .ia-reveal-body {
  grid-template-rows: 1fr;
}

html:not(.ia-js) .ia-tab-panel[hidden] {
  display: block;
}

@media (max-width: 760px) {
  body {
    font-size: 17px;
  }

  .ia-page {
    padding: 48px 20px 120px;
  }

  .ia-author-hero {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .ia-avatar-hero {
    width: 88px;
    height: 88px;
  }

  .ia-card-content {
    padding: 0 22px 26px 32px;
  }

  .ia-summary-grid {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .ia-index-grid {
    grid-template-columns: 1fr;
  }

  .ia-theme-card .ia-card-content {
    padding-left: 22px;
  }

  .ia-theme-links li,
  .ia-article-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .ia-theme-links span,
  .ia-article-list time,
  .ia-theme-links a,
  .ia-article-list a {
    grid-column: 1;
  }

  .ia-detail-grid {
    padding: 16px;
  }

  .ia-detail-grid-head {
    display: block;
  }

  .ia-detail-grid-hint {
    margin-top: 8px;
  }

  .ia-detail-grid-items {
    grid-template-columns: 1fr;
  }

  .ia-detail-dialog-shell {
    padding: 24px 18px 18px;
  }

  .ia-lightbox-caption {
    margin-right: 40px;
    margin-left: 40px;
  }

  .ia-sequence-list {
    grid-template-columns: 1fr;
  }

  .ia-sequence-item:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -20px;
    left: 22px;
    transform: rotate(90deg);
  }

  .ia-step {
    grid-template-columns: 1fr;
  }

  .ia-controls {
    right: 16px;
    bottom: 16px;
    left: 16px;
    justify-content: flex-end;
  }

  .ia-control {
    padding: 8px 12px;
  }
}