:root {
  color-scheme: dark;
  --bg: #0d0f12;
  --panel: rgba(22, 24, 29, 0.94);
  --panel-solid: #1a1d23;
  --raised: #22262d;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e8eaed;
  --muted: #9aa0a8;
  --faint: #6b717a;
  --field: #111318;
  --hover: rgba(255, 255, 255, 0.06);
  --accent: #5b8def;
  --accent-soft: rgba(91, 141, 239, 0.16);
  --accent-text: #fff;
  --gold: #ffd65c;
  --danger: #e5484d;
  --ok: #3fb67c;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.38);
  --shadow-pop: 0 14px 40px rgba(0, 0, 0, 0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --gap: 16px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --top: max(var(--gap), env(safe-area-inset-top));
  --right: max(var(--gap), env(safe-area-inset-right));
  --bottom: max(var(--gap), env(safe-area-inset-bottom));
  --left: max(var(--gap), env(safe-area-inset-left));
  --controls-w: min(372px, calc(100vw - var(--left) - var(--right)));
  --drawer-w: min(452px, calc(100vw - var(--left) - var(--right)));
  --side-w: 236px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --panel: rgba(255, 255, 255, 0.95);
    --panel-solid: #fff;
    --raised: #f6f7f9;
    --border: rgba(0, 0, 0, 0.1);
    --border-strong: rgba(0, 0, 0, 0.18);
    --text: #1d2025;
    --muted: #5f6670;
    --faint: #8a9099;
    --field: #f3f4f6;
    --hover: rgba(0, 0, 0, 0.05);
    --accent: #2f6fe0;
    --accent-soft: rgba(47, 111, 224, 0.12);
    --shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
    --shadow-pop: 0 14px 40px rgba(0, 0, 0, 0.22);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

#map {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
  outline: none;
}
#map:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
#map.dragging { cursor: grabbing; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
[hidden] { display: none !important; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
svg circle, svg .fill { fill: currentColor; stroke: none; }
svg circle.ring { fill: none; stroke: currentColor; }

input, select, textarea {
  height: 34px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--field);
  color: var(--text);
  font: inherit;
  min-width: 0;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { height: auto; padding: 8px 10px; resize: vertical; line-height: 1.4; }
input:hover, textarea:hover { border-color: var(--border-strong); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[aria-invalid="true"] { border-color: var(--danger); }
input[type="search"]::-webkit-search-cancel-button { cursor: pointer; }

.btn {
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-solid);
  color: var(--text);
  font: inherit;
  font-weight: 560;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, transform 0.12s var(--ease), filter 0.15s;
}
.btn:hover { background: var(--raised); border-color: var(--border-strong); }
.btn:active:not(:disabled) { transform: scale(0.96); }
.btn:disabled { opacity: 0.4; cursor: default; }
:where(.btn, .segmented button, .fold-toggle, .check-list button, #legend-list button, .link, .chip, .combo, .switch, [role="tab"], .result-main):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn.primary { background: var(--accent); border-color: transparent; color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--hover); border-color: transparent; }
.btn.icon { width: 34px; padding: 0; }
.btn.small { width: 28px; height: 28px; border-radius: 7px; }
.btn.small svg { width: 16px; height: 16px; }
.btn[aria-pressed="false"] { color: var(--muted); }
.btn[aria-pressed="true"].ghost { color: var(--text); }
.btn.small-text { height: 28px; padding: 0 12px; font-size: 12.5px; }
.link { border: 0; background: none; color: var(--accent); font: inherit; font-size: 12.5px; cursor: pointer; padding: 2px 4px; border-radius: 4px; }
.link:hover { text-decoration: underline; }
.link:disabled { color: var(--faint); cursor: default; text-decoration: none; }

.note { margin: 0; color: var(--muted); font-size: 12.5px; overflow-wrap: anywhere; }
.note code { font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--text); }

/* Range sliders with a filled track (--fill, set by ui.js) */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 20px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  --fill: 50%;
}
input[type="range"]:focus-visible { box-shadow: none; }
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--accent) 0 var(--fill), var(--border-strong) var(--fill) 100%);
}
input[type="range"]::-moz-range-track { height: 4px; border-radius: 2px; background: var(--border-strong); }
input[type="range"]::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--accent); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px; margin-top: -6px;
  border-radius: 50%;
  background: #fff;
  border: 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 0, 0, 0.12);
  transition: transform 0.12s var(--ease), box-shadow 0.15s;
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}
input[type="range"]:hover::-webkit-slider-thumb, input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.15); }
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--accent-soft), 0 1px 4px rgba(0, 0, 0, 0.45); }
input[type="range"]:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px var(--accent-soft); }

/* Segmented controls with a sliding indicator (--i of --n, set by ui.js) */
.segmented {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  padding: 3px;
  border-radius: 9px;
  background: var(--field);
  border: 1px solid var(--border);
}
.segmented::before {
  content: "";
  position: absolute;
  top: 3px; bottom: 3px; left: 3px;
  width: calc((100% - 6px) / var(--n, 3));
  transform: translateX(calc(var(--i, 0) * 100%));
  border-radius: 6px;
  background: var(--raised);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.28), inset 0 0 0 1px var(--border);
  transition: transform 0.24s var(--ease), opacity 0.15s;
}
.segmented:not(.ready)::before { transition: none; }
.segmented:not(.has-pick)::before { opacity: 0; }
.segmented button {
  position: relative;
  z-index: 1;
  height: 30px;
  min-width: 0;
  padding: 0 6px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 560;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.15s;
}
.segmented button:hover { color: var(--text); }
.segmented button[aria-checked="true"] { color: var(--text); }
.segmented button:disabled { opacity: 0.35; cursor: not-allowed; }
.segmented button:disabled:hover { color: var(--muted); }
.segmented.compact button { height: 26px; font-size: 12.5px; }

/* Combo: a button that opens a searchable list */
.combo {
  height: 34px;
  min-width: 0;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--field);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}
.combo:hover { border-color: var(--border-strong); }
.combo.open { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.combo-text { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.combo-text.placeholder { color: var(--faint); }
.combo > svg:last-child { width: 16px; height: 16px; color: var(--muted); transition: transform 0.2s var(--ease); }
.combo.open > svg:last-child { transform: rotate(180deg); }
.combo.compact { height: 30px; font-size: 13px; }
.combo-stack { display: inline-flex; flex: none; }
.combo-stack > * + * { margin-left: -5px; }
.combo-stack .swatch { box-shadow: 0 0 0 2px var(--field), inset 0 0 0 1px rgba(255, 255, 255, 0.15); }
.combo-icon { width: 18px; height: 18px; flex: none; background: center / contain no-repeat; image-rendering: pixelated; }

.combo-pop {
  position: fixed;
  z-index: 60;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: var(--panel-solid);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: var(--shadow-pop);
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  transform-origin: top center;
  transition: opacity 0.14s ease, transform 0.18s var(--ease);
}
.combo-pop.up { transform-origin: bottom center; transform: translateY(6px) scale(0.98); }
.combo-pop.shown { opacity: 1; transform: none; }
.combo-head { display: flex; align-items: center; gap: 8px; padding: 0 10px; border-bottom: 1px solid var(--border); color: var(--muted); }
.combo-head svg { width: 16px; height: 16px; }
.combo-search { flex: 1; height: 40px; border: 0; background: transparent; padding: 0; box-shadow: none !important; }
.combo-list { list-style: none; margin: 0; padding: 4px; overflow-y: auto; overscroll-behavior: contain; min-height: 0; flex: 1 1 auto; }
.combo-group {
  position: sticky; top: -4px; z-index: 1;
  padding: 8px 8px 4px;
  font-size: 11px; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--faint);
  background: var(--panel-solid);
}
.combo-option {
  display: flex; align-items: center; gap: 9px;
  min-height: 32px; padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13.5px;
}
.combo-option.indent { padding-left: 26px; }
.combo-option.active { background: var(--hover); }
.combo-option[aria-selected="true"] { color: var(--text); }
.combo-option[aria-disabled="true"] { opacity: 0.4; cursor: default; }
.combo-label { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.combo-hint { flex: none; max-width: 55%; font-size: 11.5px; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.combo-tick { color: var(--accent); display: flex; }
.combo-tick svg { width: 16px; height: 16px; stroke-width: 2.2; }
.combo-box {
  width: 16px; height: 16px; flex: none;
  display: grid; place-items: center;
  border-radius: 4px;
  border: 1.5px solid var(--border-strong);
  transition: background-color 0.12s, border-color 0.12s;
}
.combo-box svg { width: 12px; height: 12px; stroke-width: 2.6; color: #fff; opacity: 0; transform: scale(0.6); transition: opacity 0.12s, transform 0.15s var(--ease); }
.combo-option[aria-selected="true"] .combo-box { background: var(--accent); border-color: var(--accent); }
.combo-option[aria-selected="true"] .combo-box svg { opacity: 1; transform: none; }
.combo-empty { padding: 14px 10px; color: var(--muted); font-size: 13px; text-align: center; }
.combo-foot { display: flex; align-items: center; gap: 8px; padding: 6px 8px 6px 10px; border-top: 1px solid var(--border); }
.combo-count { flex: 1; font-size: 12px; color: var(--muted); }

/* Switch */
.switch {
  position: relative;
  width: 32px; height: 18px;
  flex: none;
  border: 0;
  border-radius: 9px;
  background: var(--border-strong);
  cursor: pointer;
  transition: background-color 0.18s;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s var(--ease);
}
.switch[aria-checked="true"] { background: var(--accent); }
.switch[aria-checked="true"]::after { transform: translateX(14px); }

.swatch { width: 14px; height: 14px; border-radius: 4px; flex: none; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15); }

/* Toasts */
.toasts {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: calc(var(--bottom) + var(--bottom-h, 60px) + 12px);
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 6px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 8px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--panel-solid);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-pop);
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px) scale(0.97);
  transition: opacity 0.2s, transform 0.25s var(--ease);
}
.toast span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toast.shown { opacity: 1; transform: none; }
.toast.ok svg { color: var(--ok); stroke-width: 2.4; width: 16px; height: 16px; }

/* Controls ---------------------------------------------------------------- */

.controls {
  position: fixed;
  z-index: 3;
  top: var(--top);
  left: var(--left);
  width: var(--controls-w);
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  transition: opacity 0.22s, transform 0.3s var(--ease), visibility 0s;
  animation: rise 0.35s var(--ease) backwards;
}

.brand { display: flex; align-items: center; gap: 9px; min-width: 0; }
.brand h1 { font-size: 15px; font-weight: 680; margin: 0; letter-spacing: 0.01em; white-space: nowrap; }
.logo {
  width: 18px; height: 18px; border-radius: 4px; flex: none;
  background: conic-gradient(#8db360 0 25%, #056621 0 50%, #fade55 0 75%, #000070 0);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.version-pick { margin-left: auto; min-width: 0; }
.version-combo { height: 30px; max-width: 200px; font-size: 13px; font-weight: 560; background: transparent; }
.version-pick .version-combo { width: auto; }

.seed-row { display: flex; gap: 6px; min-width: 0; }
.seed-row input { flex: 1 1 0; width: 0; font: 500 14px ui-monospace, SFMono-Regular, Consolas, monospace; }

.world-row { display: grid; grid-template-columns: 1.25fr 1fr; gap: 8px; }
.y-row { display: grid; grid-template-columns: auto 72px minmax(0, 1fr); align-items: center; gap: 8px; color: var(--muted); font-size: 12.5px; }
.y-row input[type="number"] { height: 30px; padding: 0 8px; font-variant-numeric: tabular-nums; }
#layer-slider { width: 100%; }

.finder-btn {
  position: relative;
  width: 100%;
  height: 38px;
  justify-content: flex-start;
  gap: 9px;
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--text);
}
.finder-btn:hover { background: var(--accent-soft); border-color: var(--accent); }
.finder-btn > svg { color: var(--accent); }
.finder-btn[aria-expanded="true"] { border-color: var(--accent); }
.badge {
  margin-left: auto;
  min-width: 22px; height: 20px; padding: 0 7px;
  display: inline-grid; place-items: center;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 11.5px; font-weight: 700;
  font-variant-numeric: tabular-nums;
  animation: pop 0.3s var(--ease);
}
.spinner {
  display: none;
  width: 14px; height: 14px;
  margin-left: auto;
  border-radius: 50%;
  border: 2px solid var(--accent-soft);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
.finder-btn.busy .spinner { display: block; }
.finder-btn.busy .spinner + .badge { margin-left: 0; }

/* Seed finder drawer ------------------------------------------------------------ */

.drawer {
  position: fixed;
  z-index: 5;
  top: var(--top);
  bottom: var(--bottom);
  left: var(--left);
  width: var(--drawer-w);
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateX(calc(-100% - var(--left) - 20px));
  visibility: hidden;
  transition: transform 0.34s var(--ease), visibility 0s 0.34s;
}
.drawer.open { transform: none; visibility: visible; transition: transform 0.34s var(--ease), visibility 0s; }
body.finder-open .controls { opacity: 0; transform: translateX(-16px); visibility: hidden; transition: opacity 0.2s, transform 0.3s var(--ease), visibility 0s 0.3s; }

.drawer-head { display: flex; align-items: center; gap: 10px; padding: 14px 12px 6px 18px; }
.drawer-title { flex: 1; min-width: 0; display: grid; gap: 2px; }
.drawer-title h2 { margin: 0; font-size: 17px; font-weight: 700; letter-spacing: 0.005em; }
.drawer-sub { font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tabs { position: relative; display: flex; gap: 4px; padding: 0 14px; border-bottom: 1px solid var(--border); }
.tabs::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 14px;
  width: calc((100% - 28px - 4px) / 2);
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: translateX(calc(var(--i, 0) * (100% + 4px)));
  transition: transform 0.25s var(--ease);
}
[role="tab"] {
  flex: 1;
  height: 40px;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 0; background: none;
  color: var(--muted);
  font: inherit; font-weight: 600;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: color 0.15s;
}
[role="tab"]:hover, [role="tab"][aria-selected="true"] { color: var(--text); }
.count {
  min-width: 20px; height: 18px; padding: 0 6px;
  display: inline-grid; place-items: center;
  border-radius: 9px;
  background: var(--hover);
  color: var(--muted);
  font-size: 11.5px; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
[role="tab"][aria-selected="true"] .count { background: var(--accent-soft); color: var(--accent); }

.drawer-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.pane { padding: 6px 14px 18px; animation: fade 0.22s var(--ease); }
.f-section { display: grid; gap: 10px; padding: 12px 0 6px; }
.f-section + .f-section { border-top: 1px solid var(--border); margin-top: 6px; }
.f-section h3 {
  margin: 0;
  display: flex; align-items: baseline; gap: 8px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--faint);
}
.h-note { font-weight: 500; letter-spacing: 0; text-transform: none; font-size: 12px; }
.f-options { display: grid; gap: 9px; }
.f-field { display: grid; grid-template-columns: 104px minmax(0, 1fr); align-items: center; gap: 10px; font-size: 13px; }
.f-label { color: var(--muted); font-size: 12.5px; }
.f-version .combo { height: 30px; font-size: 13px; }
.f-source-extra { display: grid; gap: 6px; padding-left: 114px; }
.f-source-extra .f-field { grid-template-columns: auto minmax(0, 1fr); }
.f-source-extra textarea, .f-start { width: 100%; font: 13px ui-monospace, SFMono-Regular, Consolas, monospace; }
.f-start { height: 30px; }

.f-slider {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  grid-template-areas: "label value" "range range";
  align-items: center;
  gap: 2px 10px;
}
.f-slider .f-label { grid-area: label; }
.f-slider .f-value { grid-area: value; justify-self: end; display: inline-flex; align-items: baseline; gap: 5px; min-width: 0; font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.f-slider input[type="range"] { grid-area: range; width: 100%; }
.f-num {
  width: 9ch;
  height: 24px;
  padding: 0 6px;
  text-align: right;
  border-color: transparent;
  background: transparent;
  color: var(--text);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.f-num:hover { border-color: var(--border); background: var(--field); }
.f-num:focus-visible { background: var(--field); }
.f-unit { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.f-presets { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  height: 28px; padding: 0 11px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--field); color: var(--text);
  font: inherit; font-size: 12.5px; cursor: pointer; white-space: nowrap;
  transition: border-color 0.15s, background-color 0.15s, transform 0.12s var(--ease);
}
.chip:hover { border-color: var(--accent); background: var(--accent-soft); }
.chip:active { transform: scale(0.96); }

.filters { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.filter {
  display: grid; gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--field);
  transition: opacity 0.2s, border-color 0.2s, transform 0.2s var(--ease);
}
.filter:focus-within { border-color: var(--border-strong); }
.filter.entering { animation: rise 0.28s var(--ease) backwards; }
.filter.leaving { opacity: 0; transform: scale(0.97); pointer-events: none; }
.filter.off .filter-body { opacity: 0.45; }
.filter.unusable { border-style: dashed; }
.filter-head { display: flex; align-items: center; gap: 9px; padding: 9px 8px 9px 10px; }
.filter-head strong { flex: 1; min-width: 0; font-size: 13.5px; font-weight: 640; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filter-icon {
  width: 26px; height: 26px; flex: none;
  display: grid; place-items: center;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
}
.filter-icon svg { width: 16px; height: 16px; }
.filter-body { display: grid; gap: 10px; padding: 2px 12px 12px; transition: opacity 0.2s; }
.filter-body .f-field { grid-template-columns: 78px minmax(0, 1fr); }
.filter-body .combo { height: 32px; font-size: 13px; }
.f-note { margin: 0; font-size: 11.5px; color: var(--faint); }
.f-problem { margin: 0; font-size: 12px; color: #e5a64d; }
.f-problem:empty { display: none; }
.f-empty-filters { padding: 18px 12px; border: 1px dashed var(--border-strong); border-radius: 10px; color: var(--muted); font-size: 13px; text-align: center; }
.f-add-combo { height: 38px; justify-content: center; border-style: dashed; color: var(--muted); background: transparent; }
.f-add-combo:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.f-add-combo .combo-text { flex: none; }
.f-add-combo .plus { font-size: 17px; line-height: 1; color: var(--accent); }

.f-results-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0 10px; }
.f-results-head .combo { width: auto; min-width: 190px; }
.f-empty { margin: 30px 10px; color: var(--muted); text-align: center; font-size: 13.5px; line-height: 1.5; }
.results { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.result {
  position: relative;
  display: flex;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--field);
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.2s;
}
.result:hover { border-color: var(--border-strong); }
.result.active { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(255, 214, 92, 0.14); }
.result.entering { animation: rise 0.3s var(--ease) backwards; }
.result > .btn { margin: 6px 6px 0 0; }
.result-main {
  flex: 1; min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 10px;
  padding: 9px 4px 10px 10px;
  border: 0; background: none; color: inherit; font: inherit; text-align: left;
  cursor: pointer;
  border-radius: 10px;
}
.result-n { grid-row: span 2; min-width: 20px; padding-top: 1px; color: var(--faint); font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums; text-align: right; }
.result-seed { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; min-width: 0; }
.result-seed code { font: 600 13.5px ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
.tag { padding: 1px 6px; border-radius: 5px; background: var(--hover); color: var(--muted); font-size: 11px; font-weight: 600; }
.result-parts, .rb-detail { display: flex; flex-wrap: wrap; gap: 4px 6px; min-width: 0; }
.part { font-size: 12px; color: var(--text); padding: 1px 7px; border-radius: 5px; background: var(--hover); }
.part.muted { color: var(--muted); background: transparent; padding-left: 0; }

.drawer-foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 12px 14px 14px; border-top: 1px solid var(--border); }
.f-progress { display: grid; gap: 6px; min-width: 0; }
.f-progress .bar { position: relative; height: 4px; overflow: hidden; border-radius: 2px; background: var(--border); }
.f-progress .bar span { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 2px; background: var(--accent); transition: width 0.35s var(--ease); }
.f-progress .bar.active::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: translateX(-100%);
  animation: shimmer 1.3s linear infinite;
}
.f-stats { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.btn.big { height: 40px; padding: 0 18px; font-size: 14.5px; border-radius: 10px; min-width: 116px; }
#f-run .stop, #f-run.running .play { display: none; }
#f-run.running .stop { display: block; }
#f-run svg .fill, #f-run path, #f-run rect { fill: currentColor; stroke: none; }
#f-run.running { background: var(--raised); color: var(--text); border-color: var(--border-strong); }

/* Result bar over the map --------------------------------------------------------- */

.result-bar {
  position: fixed;
  z-index: 4;
  top: var(--top);
  left: calc(var(--left) + (100vw - var(--left) - var(--right)) / 2);
  width: min(560px, calc(100vw - var(--controls-w) - var(--side-w) - 4 * var(--gap)));
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px;
  border-color: rgba(255, 214, 92, 0.35);
  opacity: 0;
  transform: translate(-50%, -10px);
  pointer-events: none;
  transition: opacity 0.2s, transform 0.3s var(--ease), left 0.34s var(--ease), top 0.34s var(--ease);
}
.result-bar.shown { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.rb-main { flex: 1; min-width: 0; display: grid; gap: 4px; padding: 2px 6px; }
.rb-top { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.rb-pos { font-size: 11.5px; font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; white-space: nowrap; }
.rb-top code { font: 600 13.5px ui-monospace, SFMono-Regular, Consolas, monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rb-detail .part { font-size: 11.5px; }

/* Side panels ----------------------------------------------------------------- */

.side {
  position: fixed;
  z-index: 2;
  top: var(--top);
  right: var(--right);
  width: var(--side-w);
  max-height: calc(100vh - var(--top) - var(--bottom) - var(--bottom-h, 60px) - 12px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.side > * { pointer-events: auto; animation: rise 0.35s var(--ease) backwards; }
.side > * + * { animation-delay: 0.05s; }
.fold { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.fold.collapsed { flex: none; }
#legend:not(.collapsed) { flex: 1 1 auto; }
.fold-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  border-radius: var(--radius);
}
.fold-toggle:hover { background: var(--hover); }
.fold-toggle svg { transition: transform 0.22s var(--ease); color: var(--muted); }
.fold.collapsed .fold-toggle svg { transform: rotate(-90deg); }
.fold.collapsed .fold-body { display: none; }
.fold-body { display: flex; flex-direction: column; gap: 6px; padding: 0 8px 10px; min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.fold-body > .note { padding: 2px 6px 0; font-size: 11.5px; color: var(--faint); }
.fold-tools { display: flex; align-items: center; gap: 4px; padding: 0 0 2px; position: sticky; top: 0; z-index: 1; background: var(--panel-solid); border-radius: 8px; }
.search-field { position: relative; flex: 1; min-width: 0; display: flex; align-items: center; }
.search-field svg { position: absolute; left: 8px; width: 15px; height: 15px; color: var(--faint); pointer-events: none; }
.search-field input { width: 100%; height: 30px; padding-left: 28px; font-size: 12.5px; }

.fold ul { list-style: none; margin: 0; padding: 0; }
.check-list button, #legend-list button {
  width: 100%;
  min-height: 30px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 3px 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.12s, color 0.12s;
}
.check-list button:hover, #legend-list button:hover { background: var(--hover); }
.check-list button[aria-pressed="false"] { color: var(--muted); }
.check-list button[aria-pressed="false"] .marker { opacity: 0.35; filter: grayscale(0.6); }
.check-list .marker { transition: opacity 0.15s, filter 0.15s; }
.check-list .check {
  margin-left: auto;
  width: 8px; height: 8px; flex: none;
  border-radius: 50%;
  background: var(--accent);
  transform: scale(1);
  transition: transform 0.2s var(--ease), background-color 0.15s;
}
.check-list button[aria-pressed="false"] .check { transform: scale(0); }
#legend-list button[aria-pressed="true"] { background: var(--accent-soft); font-weight: 650; }
.marker { width: 14px; height: 14px; border-radius: 50%; flex: none; border: 1.5px solid rgba(0, 0, 0, 0.8); }
.marker.dashed { border-style: dashed; }
.marker.icon {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 3px;
  background: center / contain no-repeat;
  image-rendering: pixelated;
}
.marker.icon.dashed { outline: 1.5px dashed var(--muted); outline-offset: 0; }
.marker.spawn { border-radius: 2px; transform: rotate(45deg) scale(0.8); background: #ffd400; }
.marker.slime { border-radius: 3px; background: rgba(90, 220, 90, 0.7); }

/* Bottom bar --------------------------------------------------------------------- */

.bottom {
  position: fixed;
  z-index: 2;
  left: var(--left);
  right: var(--right);
  bottom: var(--bottom);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
  transition: left 0.34s var(--ease);
}
.bottom > * { pointer-events: auto; animation: rise 0.35s var(--ease) backwards; }
.bottom-left { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; min-width: 0; max-width: 100%; pointer-events: none; animation: none; }
.bottom-left > * { pointer-events: auto; }

.readout {
  padding: 8px 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
  max-width: 100%;
  font-variant-numeric: tabular-nums;
}
.readout .biome { font-weight: 650; }
.readout .biome:empty, .readout .status:empty { display: none; }
.readout .status { color: var(--muted); font-size: 12.5px; }
.readout .status.error { color: var(--danger); }

.pin-info { padding: 10px 12px; width: min(340px, 100%); display: grid; gap: 8px; animation: rise 0.25s var(--ease) backwards; transition: opacity 0.16s, transform 0.16s; }
.pin-info.leaving { opacity: 0; transform: translateY(6px); }
.pin-info header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.pin-info dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; font-size: 13px; font-variant-numeric: tabular-nums; }
.pin-info dt { color: var(--muted); }
.pin-info dd { margin: 0; overflow-wrap: anywhere; }
.pin-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.pin-nearest strong { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.pin-nearest ul { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 2px; max-height: 150px; overflow-y: auto; }
.pin-nearest button {
  width: 100%; display: flex; align-items: center; gap: 8px; padding: 3px 6px; border: 0; border-radius: 6px;
  background: transparent; color: var(--text); font: inherit; font-size: 13px; text-align: left; cursor: pointer;
  transition: background-color 0.12s;
}
.pin-nearest button:hover { background: var(--hover); }
.pin-nearest .marker { width: 12px; height: 12px; }
.pin-nearest .marker.icon { width: 18px; height: 18px; }
.pin-nearest .dist { margin-left: auto; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.pin-actions .btn { height: 30px; font-size: 13px; }

.tools {
  padding: 6px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.goto { display: flex; align-items: center; gap: 6px; padding-left: 4px; }
.goto label { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12.5px; }
.goto input { width: 92px; height: 30px; font-variant-numeric: tabular-nums; }
.goto .btn { height: 30px; }
.tool-buttons { display: flex; align-items: center; gap: 2px; }
.tool-sep { width: 1px; height: 20px; margin: 0 4px; background: var(--border); }
.scale { display: grid; justify-items: start; gap: 3px; min-width: 80px; font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
#scale-bar { display: block; height: 6px; border: 2px solid var(--text); border-top: 0; transition: width 0.15s; }

.noscript { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); padding: 16px; }

/* Motion */
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { transform: scale(0.6); } 60% { transform: scale(1.12); } to { transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { transform: translateX(100%); } }

/* Wide screens: the finder takes the controls' place, the bottom bar moves aside. */
@media (min-width: 761px) {
  body.finder-open .bottom { left: calc(var(--left) + var(--drawer-w) + 12px); }
  body.finder-open .result-bar {
    left: calc(var(--left) + var(--drawer-w) + (100vw - var(--left) - var(--drawer-w) - var(--side-w) - var(--right)) / 2);
    width: min(560px, calc(100vw - var(--left) - var(--drawer-w) - var(--side-w) - var(--right) - 3 * var(--gap)));
  }
  body.finder-open .toasts { left: calc(var(--left) + var(--drawer-w) + (100vw - var(--left) - var(--drawer-w)) / 2); }
}

/* Medium widths: the result bar sits under the controls (or beside the finder). */
@media (max-width: 1099px) {
  .result-bar {
    top: calc(var(--top) + var(--controls-h, 260px) + 10px);
    left: calc(var(--left) + var(--controls-w) / 2);
    width: var(--controls-w);
  }
}
@media (max-width: 1099px) and (min-width: 761px) {
  body.finder-open .result-bar {
    top: var(--top);
    left: calc(var(--left) + var(--drawer-w) + 12px + (100vw - var(--left) - var(--drawer-w) - 12px - var(--right)) / 2);
    width: min(520px, calc(100vw - var(--left) - var(--drawer-w) - 12px - var(--right)));
    z-index: 6;
  }
}

/* Narrow or short screens: panels stack, the side panels start collapsed. */
@media (max-width: 1150px) {
  .bottom { flex-direction: column; align-items: stretch; flex-wrap: nowrap; }
  .bottom-left { align-items: stretch; }
  .pin-info { width: 100%; max-width: 420px; }
  .tools { justify-content: space-between; }
}

@media (max-width: 760px), (max-height: 520px) {
  :root { --gap: 10px; }
  .controls { padding: 12px; gap: 8px; }
  .side { top: auto; bottom: calc(var(--bottom) + var(--bottom-h, 120px) + 8px); width: 210px; max-height: calc(100vh - var(--top) - var(--controls-h, 220px) - var(--bottom) - var(--bottom-h, 120px) - 20px); }
  .scale { display: none; }
  .tools { padding: 6px; gap: 6px; }
  .goto { gap: 4px; padding-left: 0; }
  .goto label { gap: 3px; }
  .goto input { width: 64px; padding: 0 6px; }
  .tool-buttons { gap: 1px; }
  .tool-sep { display: none; }
  .btn.icon { width: 36px; height: 36px; }
  .goto .btn, .goto input { height: 36px; }
}

@media (max-width: 760px) {
  /* the finder becomes a sheet from the bottom */
  .drawer {
    top: auto;
    left: 0; right: 0; bottom: 0;
    width: auto;
    height: min(88dvh, 760px);
    border-radius: 16px 16px 0 0;
    border-bottom: 0;
    padding-bottom: env(safe-area-inset-bottom);
    transform: translateY(105%);
  }
  .drawer.open { transform: none; }
  .drawer-head::before {
    content: "";
    position: absolute; top: 6px; left: 50%;
    width: 36px; height: 4px; margin-left: -18px;
    border-radius: 2px;
    background: var(--border-strong);
  }
  body.finder-open .controls { opacity: 1; transform: none; visibility: visible; }
  .f-field { grid-template-columns: 92px minmax(0, 1fr); }
  .f-source-extra { padding-left: 0; }
  .result-bar { width: calc(100vw - var(--left) - var(--right)); left: 50%; }
}

@media (max-height: 520px) and (min-width: 761px) {
  .side { top: var(--top); bottom: auto; max-height: calc(100vh - var(--top) - var(--bottom) - var(--bottom-h, 60px) - 12px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .spinner { animation: none; border-top-color: var(--accent); }
}

/* Details */
.f-version .version-combo { max-width: none; width: 100%; background: var(--field); }
button.part { border: 0; font: inherit; font-size: 11.5px; line-height: inherit; cursor: zoom-in; transition: background-color 0.15s, color 0.15s; }
button.part:hover { background: rgba(255, 214, 92, 0.18); }
button.part:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.f-speed-note { padding-left: 114px; margin-top: -3px; }
@media (max-width: 760px) { .f-speed-note { padding-left: 0; } }

/* Seed hex and sister seeds */
.seed-info { display: flex; align-items: center; gap: 10px; margin-top: -4px; font-size: 12px; color: var(--faint); min-width: 0; }
.seed-hex { font: 11.5px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 0.02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; user-select: all; }
.seed-info .link { margin-left: auto; font-size: 12px; padding: 0; }
.sisters { display: grid; gap: 6px; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--field); animation: rise 0.2s var(--ease) backwards; }
.sisters .note { font-size: 11.5px; }
.sisters .chips button { height: 24px; font: 11.5px ui-monospace, SFMono-Regular, Consolas, monospace; padding: 0 8px; }
.sisters .chips button::after { content: none; }
.sisters .chips button:hover { border-color: var(--accent); }
.sisters .link { justify-self: start; padding: 0; }
.f-inline { display: flex; align-items: center; gap: 8px; min-width: 0; }
.f-inline input { flex: 1; min-width: 0; }

/* Map options */
.options-pop {
  position: fixed;
  z-index: 40;
  width: min(330px, calc(100vw - 16px));
  padding: 6px;
  display: grid;
  gap: 2px;
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  transform-origin: bottom right;
  transition: opacity 0.14s, transform 0.18s var(--ease);
}
.options-pop.shown { opacity: 1; transform: none; }
.opt { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.opt:hover { background: var(--hover); }
.opt > span { flex: 1; display: grid; gap: 1px; min-width: 0; }
.opt strong { font-size: 13px; font-weight: 600; }
.opt small { font-size: 11.5px; color: var(--muted); }

/* Floating tooltip */
.tooltip {
  position: fixed;
  z-index: 30;
  pointer-events: none;
  display: grid;
  gap: 1px;
  max-width: 280px;
  padding: 5px 9px;
  border-radius: 7px;
  background: rgba(18, 20, 25, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 12.5px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.tooltip span { color: #c3c8d0; font-size: 11.5px; font-variant-numeric: tabular-nums; }

/* Readout hint, legend groups */
.readout .hint { font-size: 12px; color: var(--gold); }
.legend-group { padding: 8px 8px 2px; font-size: 10.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--faint); }
#legend-actions { margin: 0 2px 2px; align-items: baseline; }
#legend-actions .note { margin-left: auto; font-size: 11.5px; }
.mini-actions { display: flex; align-items: center; gap: 6px; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 5px; }
.chips button { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 13px; background: var(--panel-solid); color: var(--text); cursor: pointer; transition: border-color 0.15s, background-color 0.15s; }