:root {
  --bg: #0f1220;
  --panel: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.9);
  --muted: rgba(255, 255, 255, 0.65);
}

/* -------------------------------------------
   Base / Global
------------------------------------------- */
* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  gap: 14px;
  background: radial-gradient(
    1200px 800px at 20% 10%,
    #1a2140 0%,
    var(--bg) 55%
  );
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

button {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 10px;
  cursor: pointer;
}

button:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* -------------------------------------------
   App Layout
------------------------------------------- */
#app {
  width: min(920px, 96vw);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
  align-items: start;
}

@media (max-width: 860px) {
  #app { grid-template-columns: 1fr; }
}

/* -------------------------------------------
   Sidebar Panel
------------------------------------------- */
#sidebar .panel {
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  backdrop-filter: blur(8px);
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

#sidebar .row {
  justify-content: space-between;
}

.hr {
  height: 1px;
  background: rgba(255, 255, 255, 0.10);
  margin: 10px 0;
}

#hint {
  color: var(--muted);
  font-size: 14px;
}

/* -------------------------------------------
   Canvas
------------------------------------------- */
canvas {
  width: min(520px, 92vw);
  height: min(520px, 92vw);
  image-rendering: pixelated;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.18);
}

/* -------------------------------------------
   Palette (Discovered)
------------------------------------------- */
#palette {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 6px 0;
}

.swatch {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* -------------------------------------------
   Seed / Shop Lists
------------------------------------------- */
.seedPicker {
  display: grid;
  gap: 8px;
}

.seedBtn,
.shopBtn {
  width: 100%;
  text-align: left;
}

.seedBtn {
  display: flex;
  align-items: center;
  gap: 10px;
}

.seedBtn.selected {
  outline: 2px solid rgba(255, 255, 255, 0.28);
}

.seedBtn .label {
  flex: 1;
}

.seedBtn .meta {
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 8px;
  vertical-align: middle;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.dot.red { background: rgb(220, 60, 60); }
.dot.yellow { background: rgb(235, 210, 70); }
.dot.blue { background: rgb(70, 120, 235); }
.dot.seedling { background: rgb(200, 245, 200); }

/* -------------------------------------------
   Collapsible Sections
------------------------------------------- */
details {
  background: transparent;
}

.sectionHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  padding: 6px 2px;
  color: rgba(255, 255, 255, 0.92);
}

.sectionHeader::-webkit-details-marker {
  display: none;
}

.sectionHeader::after {
  content: "▾";
  opacity: 0.65;
  font-size: 14px;
  transform: translateY(-1px);
}

details[open] .sectionHeader::after {
  content: "▴";
}

.pill {
  margin-left: auto;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 2px 8px;
  border-radius: 999px;
}

/* -------------------------------------------
   Grid button (matches shop layout)
------------------------------------------- */
.gridBtn{
  justify-content: space-between;
}

.gridBtn .label{
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.gridBtn .arrow{
  opacity: 0.6;
}

.gridBtn .meta{
  text-align: right;
}

button:disabled,
.seedBtn:disabled,
.shopBtn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

button:disabled:hover,
.seedBtn:disabled:hover,
.shopBtn:disabled:hover {
  background: rgba(255, 255, 255, 0.06);
}
button:disabled .meta {
  color: rgba(255, 255, 255, 0.45);
}

/* -------------------------------------------
   Legacy / Old UI (kept for safety)
   (No harm if unused)
------------------------------------------- */
#ui {
  width: min(520px, 92vw);
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  backdrop-filter: blur(8px);
}

#ui strong {
  font-weight: 650;
}
canvas{
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}