/* FDP ecosystem viewer. Layout and components live here; colours and fonts are CSS variables
   whose defaults below are a neutral theme. scripts/build_static.py overrides them from the
   "theme" section of fdp.config.json. */
:root {
  --bg:       #ffffff;
  --surface:  #ffffff;
  --tint:     #f2f5f9;
  --tint-2:   #e3eaf3;
  --primary:  #24507a;
  --primary-hover: #33689b;
  --on-primary: #ffffff;
  --text:     #142233;
  --sub:      #566577;
  --faint:    #8a97a6;
  --border:   #dde4ec;
  --code-bg:  #f5f7fa;
  --red:      #b42318;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans:  'Source Sans 3', system-ui, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e141b; --surface: #141c25; --tint: #17212c; --tint-2: #1f2c3a;
    --primary: #8db6e3; --primary-hover: #a9c9ec; --on-primary: #0e141b;
    --text: #e6edf4; --sub: #a1afbe; --faint: #6c7a89; --border: #26323f; --code-bg: #111921; --red: #f97066;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e141b; --surface: #141c25; --tint: #17212c; --tint-2: #1f2c3a;
  --primary: #8db6e3; --primary-hover: #a9c9ec; --on-primary: #0e141b;
  --text: #e6edf4; --sub: #a1afbe; --faint: #6c7a89; --border: #26323f; --code-bg: #111921; --red: #f97066;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bg); }
body { font-family: var(--sans); background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.55; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.mono, code, pre { font-family: var(--mono); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 700; letter-spacing: -0.01em; }

/* ── Top bar ── */
.topbar { background: var(--bg); border-bottom: 1px solid var(--border); }
.topbar .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.lockup { display: flex; align-items: center; gap: 10px; color: var(--text); font-family: var(--serif); font-weight: 700; font-size: 18px; white-space: nowrap; }
.lockup:hover { text-decoration: none; }
.lockup svg { width: 28px; height: 28px; flex-shrink: 0; color: var(--primary); }
.lockup .sub { font-weight: 400; font-style: italic; color: var(--primary); }
.topnav { display: flex; gap: 22px; font-size: 15px; }
.topnav a { color: var(--sub); }
.topnav a:hover { color: var(--primary); text-decoration: none; }
.topbar .right { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 16px; border-radius: 999px;
       font: 600 14px var(--sans); cursor: pointer; border: 1px solid var(--primary);
       background: var(--primary); color: var(--on-primary); white-space: nowrap; }
.btn:hover { background: var(--primary-hover); border-color: var(--primary-hover); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--primary); border-color: var(--border); }
.btn.ghost:hover { background: var(--tint); border-color: var(--primary); }

/* ── Hero: pale green band, centred ── */
.hero-band { background: var(--tint); border-bottom: 1px solid var(--border); }
.hero { text-align: center; padding: 56px 0 48px; max-width: 760px; margin: 0 auto; }
.hero .mark { width: 56px; height: 56px; color: var(--primary); margin: 0 auto 18px; }
.hero h1 { font-size: 42px; line-height: 1.15; margin-bottom: 14px; }
.hero h1 em { color: var(--primary); }
.hero p { color: var(--sub); font-size: 17px; max-width: 600px; margin: 0 auto 26px; }
.search { display: flex; align-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--border);
          border-radius: 999px; padding: 6px 6px 6px 20px; max-width: 640px; margin: 0 auto;
          box-shadow: 0 2px 10px color-mix(in srgb, var(--primary) 8%, transparent); }
.search:focus-within { border-color: var(--primary); }
.search input { flex: 1; min-width: 0; border: none; outline: none; background: transparent; color: var(--text); font: 16px var(--sans); }
.search input::placeholder { color: var(--faint); }
.search select { border: none; border-left: 1px solid var(--border); padding: 0 8px 0 12px; background: transparent;
                 color: var(--sub); font: 15px var(--sans); cursor: pointer; max-width: 40%; }
.search.left { margin: 18px 0 0; }

/* ── Access-method tiles ── */
section { padding: 44px 0 4px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
h2 { font-size: 24px; }
.count { font-size: 14px; color: var(--sub); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.tile { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; color: var(--text); background: var(--surface); }
.tile:hover { border-color: var(--primary); background: var(--tint); text-decoration: none; }
.disc { width: 36px; height: 36px; border-radius: 50%; background: var(--tint-2); color: var(--primary);
        display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.disc svg { width: 18px; height: 18px; }
.tile-label { font-weight: 600; font-size: 15px; line-height: 1.25; }
.tile-n { font-size: 13px; color: var(--sub); }

/* ── Catalog blocks ── */
.blocks { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.block { display: flex; flex-direction: column; gap: 8px; padding: 22px; border: 1px solid var(--border); border-radius: 14px;
         background: var(--surface); color: var(--text); }
.block:hover { border-color: var(--primary); text-decoration: none; box-shadow: 0 4px 18px color-mix(in srgb, var(--primary) 9%, transparent); }
.block h3 { font-size: 19px; line-height: 1.3; }
.block:hover h3 { color: var(--primary); }
.block p { color: var(--sub); font-size: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.chip { font-size: 12px; font-weight: 600; color: var(--primary); background: var(--tint-2); border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.block .stats { font-size: 13px; color: var(--faint); }

/* ── Page header (catalog / dataset / search) ── */
.crumbs { font-size: 14px; color: var(--sub); padding-top: 22px; display: flex; gap: 6px; flex-wrap: wrap; }
.crumbs a { color: var(--sub); }
.crumbs a:hover { color: var(--primary); }
.page-head { padding: 22px 0 26px; border-bottom: 1px solid var(--border); }
.page-head h1 { font-size: 34px; line-height: 1.2; margin: 6px 0 12px; max-width: 880px; }
.page-head p { color: var(--sub); max-width: 760px; }
.page-head .meta { font-size: 14px; color: var(--sub); margin-top: 10px; display: flex; gap: 6px 16px; flex-wrap: wrap; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.eyebrow, .label { font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--primary); }

/* ── Distribution rows ── */
.rows { border-top: 1px solid var(--border); }
.row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.row-side { display: flex; flex-direction: column; gap: 6px; padding-top: 3px; min-width: 0; }
.row-title { font-family: var(--serif); font-size: 17px; font-weight: 700; line-height: 1.35; }
.row-title a { color: var(--text); }
.row-title a:hover { color: var(--primary); }
.row-desc { color: var(--sub); font-size: 15px; margin-top: 4px; overflow-wrap: anywhere; }
.row-meta { font-size: 14px; color: var(--sub); margin-top: 8px; display: flex; gap: 4px 16px; flex-wrap: wrap; }
.fmt { font-size: 12px; color: var(--sub); overflow-wrap: anywhere; min-width: 0; }
.version { font: 600 13px var(--mono); color: var(--text); }
.endpoint { margin-top: 10px; border-left: 3px solid var(--primary); background: var(--code-bg); border-radius: 0 8px 8px 0;
            padding: 8px 12px; font-size: 12.5px; overflow-wrap: anywhere; }
.endpoint .ep-title { font: 600 13px var(--sans); color: var(--sub); }
.endpoint .ep-links { display: flex; gap: 14px; margin-top: 4px; font: 600 13px var(--sans); }

/* ── Tabs ── */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; padding: 18px 0 14px; }
.tabs button { border: 1px solid var(--border); background: var(--surface); color: var(--sub); border-radius: 999px;
               padding: 5px 14px; font: 500 14px var(--sans); cursor: pointer; white-space: nowrap; }
.tabs button:hover { border-color: var(--primary); color: var(--primary); }
.tabs button.on { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.tabs button .n { opacity: .7; margin-left: 4px; }

pre.ttl { background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 16px;
          font-size: 12px; line-height: 1.6; overflow: auto; max-height: 560px; }

.notice { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin-top: 16px; }
.notice.error { color: var(--red); }
.loading { display: flex; align-items: center; gap: 10px; color: var(--sub); padding: 80px 0; justify-content: center; }
.spinner { width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--primary);
           border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

footer { margin-top: 64px; background: var(--tint); border-top: 1px solid var(--border); padding: 30px 0 48px; font-size: 14px; color: var(--sub); }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer .lockup { font-size: 16px; margin-bottom: 6px; }
footer .lockup svg { width: 22px; height: 22px; }

@media (max-width: 760px) {
  .hero { padding: 40px 0 36px; }
  .hero h1 { font-size: 30px; }
  .page-head h1 { font-size: 26px; }
  .row { grid-template-columns: 1fr; gap: 6px; }
  .row-side { flex-direction: row; flex-wrap: wrap; gap: 10px; align-items: baseline; }
  .topnav { display: none; }
  .search select { display: none; }
  .blocks { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .tile { padding: 10px; gap: 8px; }
  .disc { width: 30px; height: 30px; }
}
@media (max-width: 420px) {
  .lockup .sub { display: none; }
  .topbar .right .ghost { display: none; }
  .tile .disc { display: none; }
}

/* Live FAIR Data Point badge */
.chip.live { background: var(--primary); color: var(--on-primary); }

/* Contributors */
.avatar { border-radius: 50%; background: var(--tint-2); vertical-align: middle; flex-shrink: 0; }
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.person { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; color: var(--text); background: var(--surface); }
.person:hover { border-color: var(--primary); background: var(--tint); text-decoration: none; }
.person-name { font-weight: 600; }
.person.join { border-style: dashed; }
.person.join .disc { width: 40px; height: 40px; font-size: 22px; font-weight: 600; }
.credits { color: var(--sub); display: inline-flex; align-items: center; gap: 8px; }
.credits:hover { color: var(--primary); }
.avatars { display: inline-flex; }
.avatars .avatar { border: 2px solid var(--tint); margin-left: -6px; }
.avatars .avatar:first-child { margin-left: 0; }
.credits-line .avatar { margin-right: 2px; }

/* FAIR assessment */
.fair-badge { font-weight: 600; }
.fair-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
.fair-grid { border-collapse: collapse; font-size: 13px; min-width: 100%; }
.fair-grid th, .fair-grid td { border-bottom: 1px solid var(--border); padding: 6px 8px; text-align: center; white-space: nowrap; }
.fair-grid thead th { font-weight: 600; font-size: 12px; color: var(--sub); vertical-align: bottom; }
.fair-grid tbody th { text-align: left; font-weight: 500; position: sticky; left: 0; background: var(--surface); }
.fair-grid td { font-weight: 700; cursor: help; }
.fair-pass { color: var(--primary); background: var(--tint); }
.fair-fail { color: var(--red); }
.fair-indeterminate, .fair-none { color: var(--faint); }
.fair-error { color: #b54708; }