/* Infinity Lists: layout loosely follows the Shiny "cosmo" theme. */
:root {
  --text: #373a3c;
  --muted: #6c757d;
  --bg: #ffffff;
  --panel: #f7f7f9;
  --border: #dee2e6;
  --accent: #2780e3;
  --accent-dark: #1967be;
  --spinner: #0dc5c1;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Source Sans Pro", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

.site-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px 4px;
}
.site-header h1 {
  font-size: 1.9rem;
  font-weight: 400;
  margin: 0;
  flex: 1;
}
.site-header img { width: 150px; height: auto; flex: none; }

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 25%) 1fr;
  gap: 20px;
  padding: 0 16px;
}

.sidebar form {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 16px;
}
.sidebar label, .sidebar legend { display: block; font-weight: 700; margin: 12px 0 4px; }
/* Legends ignore margin-top, so space fieldsets with padding instead. */
.sidebar fieldset { border: 0; padding: 12px 0 0; margin: 0; }
.sidebar fieldset legend { margin: 0 0 4px; float: left; width: 100%; }
.sidebar fieldset .radios { clear: both; }
.sidebar fieldset:first-child { padding-top: 0; }
.radios { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.radios label, .toggle { font-weight: 400; margin: 2px 0; }
.toggle { display: flex; gap: 8px; align-items: flex-start; margin-top: 14px !important; }
.toggle input { margin-top: 3px; }

select, input[type="number"], input[type="file"], input[type="search"] {
  width: 100%;
  font: inherit;
  padding: 6px 8px;
  border: 1px solid #ced4da;
  background: #fff;
  color: inherit;
}
input[type="search"] { width: auto; }

.btn {
  display: inline-block;
  font: inherit;
  margin-top: 12px;
  padding: 6px 14px;
  border: 1px solid #ced4da;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: #e9ecef; }
.btn:disabled { opacity: .6; cursor: default; }
.btn-download { display: block; margin-top: 16px; }

.tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  font: inherit;
  background: none;
  border: 1px solid transparent;
  border-bottom: none;
  padding: 8px 16px;
  color: var(--accent);
  cursor: pointer;
  margin-bottom: -1px;
}
.tabs button[aria-selected="true"] {
  color: var(--text);
  background: var(--bg);
  border-color: var(--border);
}

.status { min-height: 1.4em; margin: 6px 0; color: var(--muted); font-size: .9rem; }
.status.error { color: #b02a37; font-weight: 700; }
.panel-note { margin: 8px 0 0; color: var(--muted); font-size: .85rem; }
.panel-note:empty { display: none; }
.panel-note.error { color: #b02a37; font-weight: 700; }

#map { height: 500px; border: 1px solid var(--border); }
.stats { font-weight: 700; font-size: 24px; margin: 20px 0 50px; }

.about h4 { margin-top: 1.4em; }
pre { background: var(--panel); border: 1px solid var(--border); padding: 8px; min-height: 2.4em; }

/* Data table */
.dt-top, .dt-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.dt-top { justify-content: flex-end; }
.dt-top label { font-weight: 400; }
.dt-scroll { overflow-x: auto; }
table.dt { border-collapse: collapse; width: 100%; font-size: .92rem; }
table.dt th, table.dt td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.dt th { cursor: pointer; white-space: nowrap; user-select: none; border-bottom: 2px solid #adb5bd; }
table.dt tbody tr:nth-child(odd) { background: #f9f9f9; }
table.dt tbody tr:hover { background: #f1f5fb; }
.dt-empty { text-align: center !important; color: var(--muted); }
.dt-pager { display: flex; gap: 8px; align-items: center; }
.dt-pager button { font: inherit; padding: 4px 10px; border: 1px solid #ced4da; background: #fff; cursor: pointer; }
.dt-pager button:disabled { opacity: .5; cursor: default; }

/* Busy spinner (top-right, like shinybusy) */
.busy { position: fixed; top: 12px; right: 12px; z-index: 2000; }
.spinner {
  width: 40px; height: 40px;
  border: 4px solid rgba(13, 197, 193, .25);
  border-top-color: var(--spinner);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.site-footer { text-align: right; padding: 30px 16px; color: var(--muted); }
.site-footer .gh { color: var(--text); vertical-align: middle; margin-left: 4px; }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .site-header h1 { font-size: 1.3rem; }
  .site-header img { width: 72px; }
  #map { height: 60vh; }
  .stats { font-size: 18px; }
}

.popup { line-height: 1.5; }

.map-note {
  background: rgba(255, 255, 255, .9);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: .85rem;
  max-width: 340px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
}