:root {
  color-scheme: light;
  --page: #fff;
  --ink: #000;
  --muted: #555;
  --line: #d8d8d8;
  --line-strong: #000;
  --soft: #f7f7f7;
  --max: 1180px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
  color: var(--ink);
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

button,
input,
select,
textarea {
  font: inherit;
  color: var(--ink);
}

button,
select,
input[type="search"],
input[type="text"],
input[type="date"],
input[type="url"],
textarea {
  background: var(--page);
  border: 1px solid var(--line-strong);
  border-radius: 0;
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-repeat: no-repeat;
  background-size: 6px 6px;
  padding-right: 38px;
}

button {
  cursor: pointer;
  padding: 10px 13px;
}

button:disabled {
  cursor: not-allowed;
  color: var(--muted);
  border-color: var(--line);
}

.button-link {
  display: inline-block;
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  text-decoration: none;
}

.button-link:hover,
.button-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  text-decoration: none;
}

.button-link.is-disabled {
  color: var(--muted);
  border-color: var(--line);
  pointer-events: none;
}

button:hover,
button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.site-header {
  border-bottom: 1px solid var(--line-strong);
}

.site-header__inner,
.site-footer,
.main {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.site-header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.brand__name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0;
}

.brand__tag {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.nav a {
  color: inherit;
  text-decoration: none;
}

.nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.main {
  padding: 72px 0 96px;
}

.page-kicker {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.page-title {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: 76px;
  line-height: 0.94;
  font-weight: 500;
  letter-spacing: 0;
}

.page-title--small {
  font-size: 48px;
  line-height: 1;
}

.page-intro {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.section {
  margin-top: 80px;
}

.section--tight {
  margin-top: 48px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.section-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.section-title--spaced {
  margin-top: 34px;
}

.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.metric-grid--dashboard {
  grid-template-columns: repeat(5, 1fr);
}

.metric {
  min-height: 132px;
  padding: 18px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.metric__value {
  display: block;
  font-size: 42px;
  line-height: 1;
  font-weight: 500;
}

.metric__label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.data-line {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.data-line dt {
  color: var(--muted);
}

.data-line dd {
  margin: 0;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
}

.action-link {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 136px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.action-link:first-child {
  border-left: 1px solid var(--line);
}

.action-link span:first-child {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.action-link span:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.principle-grid > div {
  min-height: 148px;
  padding: 20px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.principle-grid h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.principle-grid p,
.section-copy {
  color: var(--muted);
}

.evidence-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.evidence-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.mono {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(5, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.toolbar--compact {
  grid-template-columns: minmax(220px, 2fr) repeat(2, minmax(140px, 1fr));
}

.toolbar--sources {
  grid-template-columns: minmax(220px, 2fr) repeat(3, minmax(160px, 1fr));
}

.toolbar input,
.toolbar select {
  width: 100%;
  min-height: 42px;
  padding: 0 10px;
}

.toolbar select {
  padding-right: 38px;
}

.download-inline {
  margin-top: 16px;
}

.utility-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.table-wrap {
  margin-top: 26px;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0;
}

tr.is-selected {
  background: var(--soft);
}

.summary-cell {
  min-width: 360px;
}

.status {
  display: inline-block;
  white-space: nowrap;
}

.trend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 28px;
}

.trend-panel {
  border-top: 1px solid var(--line-strong);
}

.trend-panel__header {
  min-height: 84px;
  padding: 14px 0 12px;
  border-bottom: 1px solid var(--line);
}

.trend-panel h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.trend-panel p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.trend-rows {
  display: grid;
  gap: 12px;
  padding-top: 16px;
}

.trend-row {
  display: grid;
  grid-template-columns: minmax(96px, 1fr) minmax(80px, 1.5fr) 34px;
  align-items: center;
  gap: 10px;
}

.trend-label,
.trend-count {
  font-size: 12px;
}

.trend-count {
  text-align: right;
}

.trend-track {
  height: 8px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.trend-bar {
  display: block;
  height: 100%;
  background: var(--ink);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 52px;
}

.detail-panel {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}

.detail-panel h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 500;
}

.detail-panel p {
  color: var(--muted);
}

.source-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.source-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.prose {
  max-width: 780px;
}

.prose h2 {
  margin: 56px 0 10px;
  font-size: 20px;
  font-weight: 600;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose ul {
  padding-left: 18px;
}

.download-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-strong);
}

.download-row {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.download-row h2 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}

.download-row p {
  margin: 0;
  color: var(--muted);
}

.update-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.update-entry {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.update-entry__meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.update-entry__category {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.update-entry h2 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
}

.update-entry p {
  margin: 0;
  color: var(--muted);
}

.update-entry__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 12px;
  padding: 0;
  list-style: none;
}

.update-entry__links li {
  margin: 0;
}

.stacked-form {
  display: grid;
  gap: 18px;
  margin-top: 26px;
  max-width: 760px;
}

.stacked-form label {
  display: grid;
  gap: 7px;
}

.stacked-form label span {
  color: var(--muted);
  font-size: 13px;
}

.stacked-form input,
.stacked-form select,
.stacked-form textarea,
.packet-output {
  width: 100%;
  padding: 11px 12px;
}

.stacked-form select {
  padding-right: 38px;
}

.stacked-form textarea,
.packet-output {
  min-height: 132px;
  resize: vertical;
}

.packet-output {
  margin-top: 26px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

.packet-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 12px;
}

.empty {
  padding: 32px 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .nav {
    flex-wrap: wrap;
  }

  .page-title {
    font-size: 56px;
  }

  .page-title--small {
    font-size: 42px;
  }

  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-grid--dashboard {
    grid-template-columns: repeat(2, 1fr);
  }

  .action-grid,
  .principle-grid,
  .trend-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .detail-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 620px) {
  .site-header__inner,
  .site-footer,
  .main {
    width: min(100% - 28px, var(--max));
  }

  .main {
    padding-top: 48px;
  }

  .page-title {
    font-size: 38px;
  }

  .page-title--small {
    font-size: 32px;
  }

  .metric-grid,
  .action-grid,
  .principle-grid,
  .trend-grid,
  .toolbar,
  .download-row {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 104px;
  }

  .data-line {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  th,
  td {
    padding: 12px 8px;
  }

  .record-table--events,
  .record-table--events thead,
  .record-table--events tbody,
  .record-table--events tr,
  .record-table--events td,
  .record-table--dashboard,
  .record-table--dashboard thead,
  .record-table--dashboard tbody,
  .record-table--dashboard tr,
  .record-table--dashboard td {
    display: block;
  }

  .record-table--events thead,
  .record-table--dashboard thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .record-table--events tr,
  .record-table--dashboard tr {
    padding: 12px 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .record-table--events td,
  .record-table--dashboard td {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 12px;
    padding: 8px 0;
    border-bottom: 0;
  }

  .record-table--events td::before,
  .record-table--dashboard td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0;
  }

  .record-table--events .summary-cell,
  .record-table--dashboard .summary-cell {
    min-width: 0;
  }
}