:root {
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-2: #eef0ec;
  --border: #d9ddd5;
  --text: #1d231c;
  --text-2: #4c5549;
  --muted: #737c70;
  --accent: #2f6f3e;
  --accent-ink: #ffffff;
  --accent-soft: #e2efe4;
  --danger: #a3302a;
  --grid: #e6e9e3;
  --bar: #1f77b4;
  --bar-hover: #185f90;
  --selection: #1565c0;
  --radius: 8px;
  --tile-filter: none;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161a16;
    --surface: #1f241f;
    --surface-2: #283028;
    --border: #3a433a;
    --text: #e8ece6;
    --text-2: #b8c0b5;
    --muted: #8d978a;
    --accent: #7cc48a;
    --accent-ink: #0f1a11;
    --accent-soft: #263a2a;
    --danger: #f08a82;
    --grid: #2d352d;
    --bar: #1f77b4;
    --bar-hover: #4c95c8;
    --selection: #64b5f6;
    --tile-filter: brightness(0.8) contrast(1.05);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.topbar {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.topbar h1 { font-size: 18px; margin: 0; }
.stats { margin: 0; color: var(--muted); font-size: 13px; }

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  min-height: 0;
}

.sidebar {
  padding: 16px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

fieldset { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
fieldset[hidden], [hidden] { display: none !important; }

label { font-size: 13px; font-weight: 600; color: var(--text-2); margin-top: 6px; }

input, select, button {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 9px;
  min-width: 0;
  width: 100%;
}
input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
input:disabled { color: var(--muted); background: var(--surface-2); }

button { cursor: pointer; width: auto; background: var(--surface-2); font-weight: 600; }
button:disabled { cursor: default; opacity: 0.5; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.row.three { grid-template-columns: 1fr 1fr 0.8fr; }
.row > div { display: flex; flex-direction: column; gap: 4px; }
.month-day { display: grid; grid-template-columns: 1.4fr 1fr; gap: 4px; }
.month-day select { padding: 7px 4px; }

.hint { margin: 2px 0 0; font-size: 12px; color: var(--muted); }

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 3px;
  gap: 3px;
}
.segmented button { border: 0; background: transparent; color: var(--text-2); padding: 7px 4px; }
.segmented button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgb(0 0 0 / 15%);
}

.taxon-picker, .place-picker { position: relative; }
.suggestions {
  position: absolute;
  z-index: 1000;
  left: 0; right: 0; top: calc(100% + 2px);
  margin: 0; padding: 4px 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 18px rgb(0 0 0 / 18%);
  max-height: 320px;
  overflow-y: auto;
}
.suggestions li {
  display: flex; gap: 8px; align-items: center;
  padding: 6px 10px; cursor: pointer; font-size: 14px;
}
.suggestions li[aria-selected="true"], .suggestions li:hover { background: var(--accent-soft); }
.suggestions img { width: 32px; height: 32px; object-fit: cover; border-radius: 4px; flex: none; }
.suggestions .sci { font-style: italic; }
.suggestions .meta { color: var(--muted); font-size: 12px; }

.actions { display: flex; gap: 8px; }
.actions .primary { flex: 1; padding: 9px; }
.status { margin: 0; min-height: 1.4em; font-size: 13px; color: var(--text-2); }
.status.error { color: var(--danger); }
.status.busy::before {
  content: "";
  display: inline-block;
  width: 10px; height: 10px;
  margin-right: 6px;
  border: 2px solid var(--muted);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -1px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.content { display: flex; flex-direction: column; min-width: 0; }

.map { height: 46vh; min-height: 280px; background: var(--surface-2); z-index: 0; }
.map .leaflet-tile-pane { filter: var(--tile-filter); }
.leaflet-container { font: inherit; }
.radius-handle {
  background: var(--surface);
  border: 2px solid var(--selection);
  border-radius: 50%;
  cursor: ew-resize;
}

.panel { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 8px; min-height: 0; }
.panel-head { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.panel-head h2 { font-size: 16px; margin: 0; font-weight: 600; }
.panel-actions { display: flex; gap: 6px; flex: none; }
.panel-actions button { padding: 5px 10px; font-size: 13px; }
.summary { margin: 0; color: var(--text-2); font-size: 13px; }

.chart-wrap { position: relative; height: 34vh; min-height: 240px; }
/* With the map hidden, the graph takes the rest of the column. A zero flex
   basis keeps Chart.js's canvas from feeding back into the container size. */
.content.map-hidden #chart-panel { flex: 1 1 0; }
.content.map-hidden .chart-wrap { flex: 1 1 0; height: auto; }

.legend { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-2); }
.legend .ramp {
  width: 180px; height: 10px; border-radius: 3px;
  background: linear-gradient(90deg, #ffffcc, #ffeda0, #fed976, #feb24c, #fd8d3c, #fc4e2a, #e31a1c, #bd0026, #800026);
}
.legend-label { color: var(--muted); }

.table-wrap { overflow: auto; max-height: 42vh; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--grid); }
th { position: sticky; top: 0; background: var(--surface-2); font-size: 12px; color: var(--text-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--accent-soft); }
tbody tr[aria-selected="true"] { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--selection); }

.footer {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
  .map { height: 55vh; }
  .chart-wrap { height: 300px; }
  /* The single-column layout has no fixed height to fill. */
  .content.map-hidden #chart-panel { flex: none; }
  .content.map-hidden .chart-wrap { flex: none; height: 70vh; }
  .panel-head { flex-direction: column; }
}