/* Space Data Atlas. Survey-map palette: cool paper, ink, one route blue. */
:root {
  --paper: #eef2f1;
  --sheet: #f8faf9;
  --ink: #1d2a30;
  --ink-soft: #4f5f66;
  --rule: #c9d3d2;
  --route: #2357c6;
  --route-soft: #d6e1f7;
  --open: #22704a;
  --open-bg: #dcefe3;
  --key: #8a5a00;
  --key-bg: #f6e8c8;
  --login: #6b3fa0;
  --login-bg: #ebe1f6;
  --code-bg: #e3e9e8;
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --measure: 68ch;
  --wide: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #142026; --sheet: #1a2830; --ink: #e4ecea; --ink-soft: #a3b3b6; --rule: #2f4049;
    --route: #7ea6ff; --route-soft: #23365c; --open: #7fd3a4; --open-bg: #183a2a;
    --key: #f0c46a; --key-bg: #3d2f12; --login: #c9a8f2; --login-bg: #33244a; --code-bg: #0f191e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #142026; --sheet: #1a2830; --ink: #e4ecea; --ink-soft: #a3b3b6; --rule: #2f4049;
  --route: #7ea6ff; --route-soft: #23365c; --open: #7fd3a4; --open-bg: #183a2a;
  --key: #f0c46a; --key-bg: #3d2f12; --login: #c9a8f2; --login-bg: #33244a; --code-bg: #0f191e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 1.0625rem/1.6 var(--body);
}
a { color: var(--route); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--route); outline-offset: 2px; border-radius: 2px; }
code { font: 0.88em var(--mono); background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 3px; overflow-wrap: anywhere; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); margin: 0.4em 0 0.3em; max-width: 22ch; }
h2 { font-size: 1.45rem; margin: 2em 0 0.5em; }
h3 { font-size: 1.1rem; margin: 0 0 0.2em; }
p, li, dd { max-width: var(--measure); }
.muted, .meta, .provider { color: var(--ink-soft); }
.meta { font-size: 0.95rem; }
.lede { font-size: 1.2rem; line-height: 1.5; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--sheet); padding: 8px 12px; z-index: 9; }

.site-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px;
  max-width: var(--wide); margin: 0 auto; padding: 18px 16px; border-bottom: 1px solid var(--rule);
}
.wordmark { display: flex; align-items: center; gap: 10px; font: 700 1.15rem var(--display); color: var(--ink); text-decoration: none; }
.wordmark svg { width: 28px; height: 28px; color: var(--route); }
.site-head nav { display: flex; flex-wrap: wrap; gap: 4px 18px; flex: 1; }
.site-head nav a { color: var(--ink); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.site-head nav a:hover, .site-head nav a[aria-current] { border-bottom-color: var(--route); }
.theme { font: inherit; font-size: 0.9rem; background: none; color: var(--ink-soft); border: 1px solid var(--rule); border-radius: 999px; padding: 4px 12px; cursor: pointer; }

main { max-width: var(--wide); margin: 0 auto; padding: 8px 16px 64px; }
.site-foot { max-width: var(--wide); margin: 0 auto; padding: 24px 16px 48px; border-top: 1px solid var(--rule); color: var(--ink-soft); font-size: 0.95rem; }

.hero { padding: 40px 0 8px; }
.hero h1 { font-size: clamp(2.2rem, 5.6vw, 4rem); max-width: 17ch; }
.search { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 8px; max-width: 640px; }
.search label { flex-basis: 100%; font-weight: 700; }
.search input { flex: 1; min-width: 0; }
input[type="search"], select {
  font: inherit; color: var(--ink); background: var(--sheet); border: 1px solid var(--rule); border-radius: 6px; padding: 10px 12px;
}
button, .run { font: 700 1rem var(--body); }
.search button, .run {
  background: var(--route); color: #fff; border: 0; border-radius: 6px; padding: 10px 18px; cursor: pointer;
}
:root[data-theme="dark"] .search button, :root[data-theme="dark"] .run { color: #0b1530; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .search button, :root:not([data-theme="light"]) .run { color: #0b1530; } }

/* The map */
.atlas-wrap { background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 12px; overflow: hidden; }
.atlas-svg { width: 100%; height: auto; display: block; font: 13px var(--body); }
.atlas-svg text { fill: var(--ink); }
.atlas-svg circle { fill: var(--sheet); stroke: var(--route); stroke-width: 2; }
.atlas-svg .links path { fill: none; stroke: var(--route); stroke-opacity: 0.22; stroke-width: 1.3; transition: stroke-opacity 0.15s, stroke-width 0.15s; }
.atlas-svg a { text-decoration: none; cursor: pointer; }
.atlas-svg a:focus { outline: none; }
.atlas-svg a:focus text, .atlas-svg a:hover text { text-decoration: underline; }
.atlas-svg.lit .links path { stroke-opacity: 0.06; }
.atlas-svg.lit .links path.on { stroke-opacity: 1; stroke-width: 2.4; }
.atlas-svg.lit a.on circle { fill: var(--route); }
.atlas-svg.lit a:not(.on) text { fill: var(--ink-soft); }
.atlas-list { display: none; }
@media (max-width: 720px) {
  .atlas-wrap { display: none; }
  .atlas-list { display: block; padding-left: 1.2em; }
  .atlas-list li { margin: 0.4em 0; }
}

.three { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 8px 40px; }
.three h2 { margin-top: 1.6em; }
.note { border-left: 3px solid var(--route); padding: 4px 0 4px 14px; color: var(--ink-soft); }

/* Lists and filters */
.filters { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: end; margin: 20px 0 8px; }
.filters label { display: flex; flex-direction: column; gap: 4px; font-weight: 700; font-size: 0.95rem; }
.filters label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; padding-bottom: 10px; }
.filters input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--route); }
.count { color: var(--ink-soft); min-height: 1.6em; }
.ch-list { list-style: none; padding: 0; margin: 0; }
.ch { padding: 18px 0; border-top: 1px solid var(--rule); }
.ch h2 { margin: 0 0 0.3em; font-size: 1.25rem; }
.ch p { margin: 0.3em 0; }
[hidden] { display: none !important; }

.crumb { margin: 24px 0 0; }
.official { font-weight: 700; }
.steps li { margin: 0.4em 0; }

.ds-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.ds { background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 16px 18px; min-width: 0; }
.ds p { margin: 0.4em 0; overflow-wrap: anywhere; }
.ds .provider { font-size: 0.92rem; margin-top: 0; }
.ds .access { font-size: 0.85rem; color: var(--ink-soft); }
.ds:target { outline: 3px solid var(--route); }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.badge { font-size: 0.82rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.auth-none { color: var(--open); background: var(--open-bg); }
.auth-api-key { color: var(--key); background: var(--key-bg); }
.auth-earthdata-login { color: var(--login); background: var(--login-bg); }
.cors { color: var(--route); background: var(--route-soft); }
.legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 8px 24px; margin: 16px 0; }
.legend div { display: flex; gap: 10px; align-items: baseline; }
.legend dt { flex: none; }
.legend dd { margin: 0; font-size: 0.95rem; }

.starter { margin: 16px 0; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; background: var(--code-bg); }
.starter figcaption { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 8px 12px; background: var(--sheet); border-bottom: 1px solid var(--rule); font-weight: 700; }
.starter .lang { font-weight: 400; color: var(--ink-soft); font-size: 0.9rem; }
.starter .copy { margin-left: auto; font-size: 0.85rem; background: none; color: var(--route); border: 1px solid var(--rule); border-radius: 6px; padding: 3px 10px; cursor: pointer; }
.starter pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
.starter pre code { background: none; padding: 0; font-size: 0.85rem; line-height: 1.55; overflow-wrap: normal; white-space: pre; }

.try { background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; padding: 4px 20px 18px; margin-top: 2em; }
.try-out ol { padding-left: 1.2em; }
.try-out li { margin: 0.35em 0; overflow-wrap: anywhere; }
.past li { margin: 0.4em 0; }
.past-table { border-collapse: collapse; width: 100%; font-size: 0.97rem; }
.past-table th, .past-table td { text-align: left; vertical-align: top; padding: 12px 12px 12px 0; border-top: 1px solid var(--rule); }
@media (max-width: 720px) {
  .past-table thead { display: none; }
  .past-table tr { display: block; border-top: 1px solid var(--rule); padding: 10px 0; }
  .past-table td { display: block; border: 0; padding: 2px 0; }
}
.tools div { margin: 12px 0; }
.tools dd { margin: 2px 0 0; }
.doc { max-width: 760px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }