:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #111111;
  --muted: #555555;
  --rule: #ddd6d6;
  --link: #7a1f2b;
  --link-hover: #4f111a;
  --soft-rule: #f7f1f2;
  --button-bg: #ffffff;
  --button-border: #d7b7bc;
  --button-border-hover: #bd8d95;
  --button-hover-bg: var(--soft-rule);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151313;
  --ink: #f4eded;
  --muted: #c2b6b8;
  --rule: #3d3032;
  --link: #e1a4ae;
  --link-hover: #f0c5cb;
  --soft-rule: #2a2022;
  --button-bg: #151313;
  --button-border: #70434a;
  --button-border-hover: #9c626b;
  --button-hover-bg: #241a1c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: 16px;
  line-height: 1.48;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.page {
  width: min(1000px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 48px;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px 28px;
  align-items: end;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--soft-rule);
}

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

h1 {
  margin-bottom: 0;
  font-size: 1.5rem;
  font-weight: normal;
  line-height: 1.1;
}

h2 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  font-weight: bold;
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.02rem;
  font-weight: bold;
}

.ruled-heading {
  padding-bottom: 5px;
  border-bottom: 2px solid var(--soft-rule);
}

p {
  margin-bottom: 0.78rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 8px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
}

.nav a {
  padding: 0.08rem 0.42rem 0.12rem;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--ink);
}

.theme-toggle {
  position: relative;
  width: 1.45rem;
  height: 1.45rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 3px;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  line-height: inherit;
}

.theme-toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.66rem;
  height: 0.66rem;
  border: 0;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0.24rem -0.08rem 0 -0.02rem var(--button-bg);
  transform: translate(-58%, -42%);
}

:root[data-theme="dark"] .theme-toggle::before {
  width: 0.58rem;
  height: 0.58rem;
  background: currentColor;
  box-shadow:
    0 -0.45rem 0 -0.26rem currentColor,
    0 0.45rem 0 -0.26rem currentColor,
    0.45rem 0 0 -0.26rem currentColor,
    -0.45rem 0 0 -0.26rem currentColor,
    0.32rem 0.32rem 0 -0.27rem currentColor,
    -0.32rem 0.32rem 0 -0.27rem currentColor,
    0.32rem -0.32rem 0 -0.27rem currentColor,
    -0.32rem -0.32rem 0 -0.27rem currentColor;
  transform: translate(-50%, -50%);
}

.nav a:hover,
.nav a:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--button-border);
  background: var(--button-hover-bg);
  color: var(--link-hover);
  text-decoration: none;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 34px;
  padding: 28px 0 24px;
  border-bottom: 2px solid var(--soft-rule);
}

.intro-copy {
  max-width: 620px;
}

.contact-card {
  color: var(--muted);
  font-size: 0.94rem;
}

.contact-card p {
  margin-bottom: 0.32rem;
  white-space: nowrap;
}

.social-links {
  margin-top: 0.65rem;
}

.social-links span {
  color: #b6a6a8;
  padding: 0 0.28rem;
}

.section {
  padding: 34px 0 6px;
}

.paper-list {
  margin: 0;
  padding-left: 1.35rem;
}

.paper-list li {
  margin-bottom: 1.3rem;
  padding-left: 0.15rem;
}

.paper-title {
  margin-bottom: 0.08rem;
  font-weight: bold;
}

.abstract-toggle {
  display: inline;
  margin: 0 0 0.42rem;
  padding: 0.02rem 0.28rem 0.04rem;
  border: 1px solid var(--button-border);
  border-radius: 3px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--button-bg);
  color: var(--link);
  cursor: pointer;
  font: inherit;
  font-size: 0.93rem;
  line-height: inherit;
}

.abstract-toggle:hover,
.abstract-toggle:focus-visible {
  background: var(--button-hover-bg);
  border-color: var(--button-border-hover);
  color: var(--link-hover);
  text-decoration: none;
}

.abstract {
  margin: 0.12rem 0 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-2px);
  transition:
    height 820ms cubic-bezier(0.25, 0.1, 0.25, 1),
    opacity 520ms ease,
    transform 520ms cubic-bezier(0.25, 0.1, 0.25, 1),
    margin-bottom 520ms ease;
}

.abstract.is-open {
  margin-bottom: 0.78rem;
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .abstract {
    transition: none;
  }
}

.paper-meta,
.paper-links {
  color: var(--muted);
  font-size: 0.95rem;
}

.paper-meta {
  margin-bottom: 0.18rem;
}

.paper-meta span {
  color: var(--ink);
  font-weight: bold;
}

.paper-links span {
  color: #999999;
  padding: 0 0.2rem;
}

.simple-list {
  margin: 0 0 0.8rem;
  padding-left: 1.35rem;
}

.simple-list li {
  margin-bottom: 0.28rem;
}

.teaching-list {
  margin: 0 0 0.8rem;
  padding: 0;
  list-style: none;
}

.teaching-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, auto);
  gap: 24px;
  margin-bottom: 0.38rem;
  align-items: baseline;
}

.teaching-list li span:last-child {
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}

.footer {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 2px solid var(--soft-rule);
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
}

.footer p {
  margin-bottom: 0;
}

.privacy-note {
  margin-top: 0.28rem;
  font-size: 0.78rem;
}

.analytics-page {
  --rule: #d7e9f3;
  --link: #2f6f95;
  --link-hover: #174b68;
  --soft-rule: #eef7fc;
  --button-border: #a7cde2;
  --button-border-hover: #6ba9ca;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--soft-rule) 32%, var(--bg)) 0, var(--bg) 280px);
  font-family: Arial, Helvetica, sans-serif;
}

:root[data-theme="dark"] .analytics-page {
  --bg: #121619;
  --ink: #edf6fb;
  --muted: #b8c9d3;
  --rule: #2d3b43;
  --link: #9fd0ea;
  --link-hover: #c7e7f6;
  --soft-rule: #1d2830;
  --button-bg: #121619;
  --button-border: #3f6a80;
  --button-border-hover: #6da8c7;
  --button-hover-bg: #1a242b;
}

.analytics-shell {
  width: min(1540px, calc(100% - 24px));
  padding-top: 22px;
}

.analytics-header {
  align-items: center;
  padding: 16px 0 18px;
  border-bottom-color: var(--rule);
}

.analytics-kicker {
  margin: 0.36rem 0 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.88rem;
}

.analytics-control-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 10px 18px;
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: color-mix(in srgb, var(--bg) 92%, var(--soft-rule));
}

.analytics-token {
  display: grid;
  grid-template-columns: auto minmax(220px, 420px) auto auto;
  gap: 8px;
  align-items: center;
}

.analytics-token label {
  color: var(--muted);
  font-size: 0.88rem;
}

.analytics-token input {
  min-width: 0;
  padding: 0.36rem 0.44rem;
  border: 1px solid var(--button-border);
  border-radius: 3px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

.analytics-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  justify-content: flex-end;
}

.analytics-viewer {
  color: var(--muted);
  font-size: 0.86rem;
}

.analytics-viewer strong {
  color: var(--ink);
  font-weight: normal;
}

.analytics-token button,
.analytics-refresh,
.analytics-export,
.analytics-table-actions input,
.analytics-clear,
.analytics-load,
.analytics-own-toggle,
.analytics-network-toggle,
.analytics-bot-toggle,
.analytics-group-toggle {
  padding: 0.24rem 0.48rem;
  border: 1px solid var(--button-border);
  border-radius: 3px;
  background: var(--button-bg);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
}

.analytics-table-actions input {
  min-width: 170px;
  cursor: text;
}

.analytics-token button:hover,
.analytics-token button:focus-visible,
.analytics-refresh:hover,
.analytics-refresh:focus-visible,
.analytics-own-toggle:hover,
.analytics-own-toggle:focus-visible,
.analytics-network-toggle:hover,
.analytics-network-toggle:focus-visible,
.analytics-bot-toggle:hover,
.analytics-bot-toggle:focus-visible,
.analytics-group-toggle:hover,
.analytics-group-toggle:focus-visible,
.analytics-export:hover,
.analytics-export:focus-visible,
.analytics-table-actions input:focus-visible {
  border-color: var(--button-border-hover);
  background: var(--button-hover-bg);
  color: var(--link-hover);
}

.analytics-own-toggle.is-active,
.analytics-network-toggle.is-active,
.analytics-bot-toggle.is-active,
.analytics-group-toggle.is-active {
  border-color: var(--link);
  background: var(--soft-rule);
  color: var(--link-hover);
}

.analytics-own-toggle:disabled,
.analytics-network-toggle:disabled {
  cursor: default;
  opacity: 0.52;
}

.analytics-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.analytics-status.is-error {
  color: var(--link);
}

.analytics-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  padding: 16px 0 12px;
}

.analytics-summary article {
  min-height: 92px;
  padding: 13px 14px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--button-border);
  border-radius: 5px;
  background: var(--bg);
}

.analytics-summary span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.analytics-summary strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 1.62rem;
  font-weight: normal;
  line-height: 1.15;
  white-space: nowrap;
}

.analytics-map-panel {
  margin: 0 0 14px;
  padding: 12px 13px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--bg);
}

.analytics-map-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.analytics-map-header h2 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.analytics-map-header span {
  color: var(--muted);
  font-size: 0.86rem;
}

.analytics-map {
  height: 320px;
  border: 1px solid var(--soft-rule);
  border-radius: 4px;
  background: var(--soft-rule);
}

.analytics-map .leaflet-control-attribution {
  font-size: 0.7rem;
}

.analytics-map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.analytics-map-legend span {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.analytics-map-legend i {
  display: inline-block;
  border-radius: 50%;
}

.analytics-map-legend .is-low {
  width: 0.48rem;
  height: 0.48rem;
  background: #b9d9eb;
}

.analytics-map-legend .is-mid {
  width: 0.62rem;
  height: 0.62rem;
  background: #6baed6;
}

.analytics-map-legend .is-high {
  width: 0.78rem;
  height: 0.78rem;
  background: #2f6f95;
}

:root[data-theme="dark"] .analytics-map .leaflet-tile {
  filter: brightness(0.72) contrast(1.08) saturate(0.72);
}

:root[data-theme="dark"] .analytics-map .leaflet-control-zoom a,
:root[data-theme="dark"] .analytics-map .leaflet-control-attribution,
:root[data-theme="dark"] .analytics-map .leaflet-popup-content-wrapper,
:root[data-theme="dark"] .analytics-map .leaflet-popup-tip {
  background: var(--bg);
  color: var(--ink);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 0 16px;
}

.analytics-panel {
  min-width: 0;
  padding: 12px 13px;
  border: 1px solid var(--rule);
  border-radius: 5px;
  background: var(--bg);
}

.analytics-panel-wide {
  grid-column: span 2;
}

.analytics-grid h2,
.analytics-records h2 {
  font-size: 1rem;
}

.analytics-bars {
  min-height: 118px;
  padding-top: 5px;
}

.analytics-bar {
  display: grid;
  grid-template-columns: minmax(120px, 1.05fr) minmax(86px, 1.55fr) auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.analytics-bar span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analytics-bar span:nth-child(2) {
  display: block;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--link);
}

.analytics-bar strong {
  min-width: 2ch;
  color: var(--ink);
  font-weight: normal;
  text-align: right;
}

.analytics-table-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
  padding: 14px 14px 12px;
  border: 1px solid var(--rule);
  border-bottom: 0;
  border-radius: 5px 5px 0 0;
  background: var(--bg);
}

.analytics-table-header h2 {
  min-width: 0;
}

.analytics-table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.analytics-table-actions label {
  color: var(--muted);
  font-size: 0.86rem;
}

.analytics-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 0 0 5px 5px;
  background: var(--bg);
}

.analytics-records table {
  width: 100%;
  min-width: 1440px;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.analytics-records th,
.analytics-records td {
  padding: 0.52rem 0.58rem;
  border-bottom: 1px solid var(--soft-rule);
  text-align: left;
  vertical-align: top;
}

.analytics-records th {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 90%, var(--soft-rule));
  color: var(--muted);
  font-weight: normal;
  white-space: nowrap;
}

.analytics-records tbody tr:hover {
  background: color-mix(in srgb, var(--soft-rule) 44%, var(--bg));
}

.analytics-records tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--soft-rule) 24%, var(--bg));
}

.analytics-records td {
  max-width: 340px;
  overflow-wrap: anywhere;
}

@media (max-width: 1050px) {
  .analytics-control-panel,
  .analytics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .analytics-actions {
    justify-content: flex-start;
  }

  .analytics-panel-wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .page {
    width: min(100% - 28px, 920px);
    padding-top: 24px;
  }

  .site-header,
  .intro {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: start;
  }

  .nav {
    justify-content: flex-start;
  }

  .intro {
    gap: 12px;
  }

  .contact-card p {
    white-space: normal;
  }

  .teaching-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .teaching-list li span:last-child {
    text-align: left;
    white-space: normal;
  }

  .analytics-token,
  .analytics-control-panel,
  .analytics-summary,
  .analytics-grid,
  .analytics-table-header {
    grid-template-columns: 1fr;
  }

  .analytics-table-actions {
    justify-content: flex-start;
  }

  .analytics-actions {
    justify-content: flex-start;
  }

  .analytics-table-actions input {
    width: 100%;
  }

  .analytics-map-header {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .analytics-map {
    height: 260px;
  }

  .analytics-summary article {
    min-height: 72px;
  }

  .analytics-bar {
    grid-template-columns: minmax(96px, 1fr) minmax(64px, 1fr) auto;
  }

  .analytics-panel-wide {
    grid-column: auto;
  }
}