/* JLD project site. One column, one accent colour, no motion. */
:root {
  --text: #1f2328;
  --muted: #5c6470;
  --faint: #8a919c;
  --rule: #e3e5e9;
  --wash: #f6f6f8;
  --accent: #5a3e9b;
  --accent-wash: #f1edf8;
  --warn: #a0522d;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --column: 940px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font: 17px/1.62 var(--sans);
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 6px 10px; z-index: 10; }

.wrap { max-width: var(--column); margin: 0 auto; padding: 0 22px; }

/* ---------- title block ---------- */
.titleblock { text-align: center; padding: 64px 0 28px; }
.titleblock h1 {
  font: 600 2.35rem/1.2 var(--serif);
  letter-spacing: -0.01em;
  margin: 0 auto 22px;
  max-width: 20em;
  text-wrap: balance;
}
.authors { margin: 0 0 8px; font-size: 1.08rem; line-height: 1.9; }
.authors span { white-space: nowrap; margin: 0 9px; }
.authors sup, .affiliations sup { font-size: 0.68em; color: var(--muted); }
.affiliations { margin: 0 0 10px; color: var(--muted); font-size: 0.98rem; }
.affiliations span { white-space: nowrap; margin: 0 9px; }
.venue { margin: 0 0 22px; color: var(--muted); font-size: 0.98rem; }
.buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 0; padding: 0; list-style: none; }
.buttons a, .buttons span {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid var(--text);
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  font-size: 0.95rem;
  line-height: 1.5;
}
.buttons a:hover { background: var(--accent); border-color: var(--accent); text-decoration: none; }
.buttons span { background: #fff; color: var(--faint); border-color: var(--rule); cursor: default; }
.buttons small { font-size: 0.82em; }

/* ---------- sections ---------- */
section { padding: 30px 0 14px; }
section > h2, .post h2 {
  font: 600 1.5rem/1.3 var(--serif);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
h3 { font: 600 1.08rem/1.4 var(--sans); margin: 30px 0 8px; }
p { margin: 0 0 15px; }
.abstract p { text-align: justify; hyphens: auto; }

figure { margin: 24px 0 26px; }
figure img { margin: 0 auto; }
figcaption, .note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-top: 10px;
}
figcaption b, .note b { color: var(--text); font-weight: 600; }
.note { margin: 12px 0 0; }

.equation { overflow-x: auto; overflow-y: hidden; margin: 6px 0 16px; padding: 2px 0; }
.katex { font-size: 1.04em; }

code, pre { font-family: var(--mono); font-size: 0.86em; }
code { background: var(--wash); padding: 1px 5px; border-radius: 3px; }
pre {
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.55;
  margin: 0 0 16px;
}
pre code { background: none; padding: 0; font-size: 1em; }
.bibtex { position: relative; }
.bibtex pre { font-size: 0.8em; }
.copy {
  position: absolute; top: 8px; right: 8px;
  font: inherit; font-size: 0.8rem;
  padding: 3px 10px; border: 1px solid var(--rule); border-radius: 4px;
  background: #fff; color: var(--muted); cursor: pointer;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- headline numbers ---------- */
.numbers {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  margin: 8px 0 22px; padding: 0; list-style: none;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.numbers li { padding: 14px 14px 12px; border-left: 1px solid var(--rule); }
.numbers li:first-child { border-left: 0; padding-left: 0; }
.numbers strong { display: block; font: 600 1.55rem/1.2 var(--serif); color: var(--accent); }
.numbers span { display: block; color: var(--muted); font-size: 0.86rem; line-height: 1.4; margin-top: 4px; }

/* ---------- tables ---------- */
.tablewrap { overflow-x: auto; margin: 18px 0 8px; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
th, td { padding: 5px 10px; text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { font-weight: 600; border-top: 1.5px solid var(--text); border-bottom: 1px solid var(--text); vertical-align: bottom; line-height: 1.3; }
thead th small { display: block; font-weight: 400; color: var(--muted); }
tbody tr:last-child td { border-bottom: 1.5px solid var(--text); }
tr.group td { text-align: left; font-weight: 600; font-size: 0.84rem; color: var(--muted); padding-top: 10px; border-top: 1px solid var(--rule); }
tr.ours td { background: var(--accent-wash); }
td.best { font-weight: 700; }
td.second { text-decoration: underline; text-underline-offset: 3px; }
table.plain td, table.plain th { white-space: normal; text-align: left; vertical-align: top; }
table.plain td.num, table.plain th.num { text-align: right; white-space: nowrap; }

/* ---------- interactive viewers ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 14px; }
.tabs button, .control {
  font: inherit; font-size: 0.88rem; line-height: 1.4;
  padding: 5px 13px; border: 1px solid var(--rule); border-radius: 999px;
  background: #fff; color: var(--text); cursor: pointer;
}
.tabs button:hover, .control:hover { border-color: var(--accent); color: var(--accent); }
.tabs button[aria-selected="true"], .tabs button[aria-pressed="true"] {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.viewer { border: 1px solid var(--rule); border-radius: 6px; padding: 18px; }
.viewer-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 18px; margin-bottom: 14px; }
.viewer-head h3 { margin: 0; font-size: 1rem; }
.verdict { font-size: 0.88rem; color: var(--muted); font-weight: 400; }
.verdict.miss { color: var(--warn); }
.check { font-size: 0.88rem; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.check input { accent-color: var(--accent); }
.panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.panel p { margin: 0 0 5px; font-size: 0.82rem; color: var(--muted); line-height: 1.35; min-height: 1.35em; }
.panel p b { color: var(--text); font-weight: 600; }
.panel img { width: 100%; border: 1px solid var(--rule); }
.panel .map { display: block; margin-top: 8px; background-size: 100% 100%; }
.panel .map img { image-rendering: pixelated; }
.panel .map.overlay img { opacity: 0.65; }
.panels .panel.legend { grid-column: 1; grid-row: 1; align-self: end; font-size: 0.82rem; color: var(--muted); line-height: 1.45; }
.panels .panel.ref { grid-column: 1; grid-row: 1; align-self: start; }
.panel.legend p { margin-bottom: 8px; }
.colorbar { display: flex; align-items: center; gap: 8px; font-variant-numeric: tabular-nums; }
.colorbar i { flex: 1; height: 10px; border: 1px solid var(--rule);
  background: linear-gradient(90deg, #440154, #3b528b, #21918c, #5ec962, #fde725); }
.colorbar.magma i { background: linear-gradient(90deg, #000004, #3b0f70, #8c2981, #de4968, #fe9f6d, #fcfdbf); }
.viewer .tablewrap { margin-top: 16px; }
.viewer table { font-size: 0.86rem; }
.frame-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 14px; }
.frame-controls input[type=range] { flex: 1; min-width: 150px; accent-color: var(--accent); }
.frame-controls output { font-size: 0.86rem; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 9.5em; text-align: right; }
details { margin: 14px 0 0; }
summary { cursor: pointer; color: var(--accent); font-size: 0.92rem; }
details video { margin-top: 12px; width: 100%; border: 1px solid var(--rule); }

.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 18px; }
.video-card video { width: 100%; background: #000; }
.video-card h3 { margin: 10px 0 6px; font-size: 0.98rem; display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.video-card table { font-size: 0.84rem; }

/* ---------- footer ---------- */
footer { margin-top: 44px; border-top: 1px solid var(--rule); padding: 22px 0 46px; color: var(--muted); font-size: 0.88rem; }
footer p { margin: 0 0 8px; }

/* ---------- blog post ---------- */
.post { max-width: 760px; margin: 0 auto; padding: 0 22px; }
.post-nav { padding: 22px 0 0; font-size: 0.92rem; }
.post-header { padding: 34px 0 6px; }
.post-header h1 { text-wrap: balance; font: 600 2.15rem/1.2 var(--serif); letter-spacing: -0.01em; margin: 0 0 12px; }
.post-header .subtitle { color: var(--muted); font-style: italic; margin: 0 0 16px; }
.post-meta { color: var(--muted); font-size: 0.9rem; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 10px 0; margin: 0; }
.post-meta p { margin: 0; }
.summary { color: var(--muted); font-style: italic; margin: 26px 0 8px; padding-left: 16px; border-left: 2px solid var(--rule); }
.summary b { font-style: normal; color: var(--text); font-weight: 600; }
.post h2 { margin-top: 38px; }
.post article { font-size: 1.04rem; line-height: 1.7; }
.post figure.wide { margin-left: -80px; margin-right: -80px; }
.post ul { padding-left: 1.2em; margin: 0 0 15px; }
.post li { margin-bottom: 6px; }

/* ---------- data report ---------- */
.report { max-width: 860px; margin: 0 auto; padding: 30px 22px 60px; }
.report h1 { font: 600 2rem/1.2 var(--serif); margin: 14px 0 14px; }
.report h2 { font: 600 1.3rem/1.3 var(--serif); margin: 34px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--rule); }
.report table td, .report table th { white-space: normal; text-align: left; vertical-align: top; }
.report tbody td { border-bottom: 1px solid var(--rule); }
.eyebrow { color: var(--muted); font-size: 0.9rem; margin: 14px 0 0; }

/* ---------- small screens ---------- */
@media (max-width: 960px) {
  .post figure.wide { margin-left: 0; margin-right: 0; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap, .post { padding: 0 16px; }
  .titleblock { padding-top: 38px; }
  .titleblock h1 { font-size: 1.72rem; }
  .post-header h1 { font-size: 1.7rem; }
  .authors span, .affiliations span { margin: 0 6px; }
  .abstract p { text-align: left; }
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .numbers li:nth-child(odd) { border-left: 0; padding-left: 0; }
  .numbers li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .viewer { padding: 12px; }
  .panels { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .panels .panel.ref { grid-column: 1 / -1; grid-row: auto; width: 62%; margin: 0 auto; }
  .panels .panel.legend { grid-column: 1 / -1; grid-row: auto; order: 9; }
  .video-grid { grid-template-columns: 1fr; }
  th, td { padding: 5px 7px; }
}
@media print {
  .buttons, .tabs, .copy, .frame-controls { display: none; }
}