:root {
  color-scheme: light;
  --bg: #f7f2df;
  --bg-soft: #fffaf0;
  --panel: rgba(255, 250, 240, 0.92);
  --panel-strong: rgba(255, 247, 230, 0.98);
  --ink: #23402f;
  --muted: #5d715f;
  --accent: #2f8f63;
  --accent-2: #f4b93a;
  --shadow: 0 18px 50px rgba(58, 72, 47, 0.16);
  --cell-size: min(15.8vw, 74px);
  --gap: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.72), transparent 38%),
    linear-gradient(180deg, #d8efbf 0%, #f7f2df 32%, #f1dfba 100%);
}

a { color: inherit; }
button { font: inherit; }

.wrap {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0 32px;
}

.topnav {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(58, 88, 48, 0.08);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.inset {
  background: var(--panel-strong);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}

.hero {
  padding: 24px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(2rem, 5vw, 3.2rem); }
.subtitle { margin: 0 auto; max-width: 720px; color: var(--muted); font-size: 1.08rem; line-height: 1.45; }

.hud {
  margin-top: 16px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hud > div,
.score-grid > div {
  background: rgba(255,255,255,0.54);
  border-radius: 18px;
  padding: 12px 14px;
}

.label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

strong { font-size: 1.18rem; }

.layout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 18px;
  align-items: start;
}

.board-panel,
.side-panel > .panel {
  padding: 20px;
}

.board-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.board-header p,
.seed-legend,
.message,
.tiny,
.route-summary { color: var(--muted); line-height: 1.4; }
.seed-legend { font-size: 0.92rem; display: flex; align-items: center; gap: 8px; }
.seed-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff9d8 0 22%, #f4b93a 45%, #d18b1f 100%);
  box-shadow: 0 0 0 4px rgba(244,185,58,0.18);
}

.garden-shell {
  position: relative;
  padding: 22px 12px 12px 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.3), rgba(255,252,244,0.85));
  border-radius: 28px;
  border: 1px solid rgba(69, 95, 57, 0.08);
}

.entry-label {
  position: absolute;
  left: 0;
  top: calc(22px + var(--cell-size) * 2.5 - 12px);
  transform: translateX(-8px);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.garden {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, var(--cell-size));
  gap: var(--gap);
  justify-content: center;
}

.cell {
  position: relative;
  width: var(--cell-size);
  height: var(--cell-size);
  border-radius: 22px;
  border: 1px solid rgba(75, 94, 62, 0.12);
  background: linear-gradient(180deg, #9fc979 0%, #76ad59 100%);
  box-shadow: inset 0 5px 10px rgba(255,255,255,0.18), inset 0 -10px 16px rgba(41, 78, 35, 0.18);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.cell:hover,
.cell:focus-visible { transform: translateY(-1px); box-shadow: inset 0 5px 10px rgba(255,255,255,0.18), inset 0 -10px 16px rgba(41,78,35,0.18), 0 8px 18px rgba(62,92,49,0.18); }
.cell.blocked {
  background: linear-gradient(180deg, #c3baa8 0%, #9f957f 100%);
  cursor: default;
}
.cell.flower::before {
  content: attr(data-flower);
  font-size: calc(var(--cell-size) * 0.42);
}
.cell.selected { border-color: rgba(244,185,58,0.9); box-shadow: 0 0 0 4px rgba(244,185,58,0.22), inset 0 5px 10px rgba(255,255,255,0.18), inset 0 -10px 16px rgba(41,78,35,0.18); }
.cell.preview { outline: 3px dashed rgba(47,143,99,0.42); outline-offset: -6px; }
.cell.preview .step-badge {
  position: absolute;
  top: 4px;
  right: 5px;
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.fan {
  width: 62%;
  height: 62%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.9);
  border: 2px solid rgba(47,143,99,0.3);
  box-shadow: 0 8px 16px rgba(24, 63, 46, 0.16);
  font-size: calc(var(--cell-size) * 0.34);
}

.seed {
  position: absolute;
  top: 0;
  left: 0;
  width: calc(var(--cell-size) * 0.56);
  height: calc(var(--cell-size) * 0.56);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fffcea 0 24%, #ffe492 46%, #d89b2d 100%);
  color: #8c5a10;
  font-size: calc(var(--cell-size) * 0.28);
  box-shadow: 0 8px 20px rgba(216, 155, 45, 0.34);
  pointer-events: none;
  transform: translate(-999px, -999px);
  transition: transform 240ms ease, opacity 240ms ease;
  opacity: 0;
  z-index: 5;
}

.controls { margin-top: 16px; display: grid; gap: 12px; }
.toolbox { padding: 14px; }
.toolbox-title { font-weight: 700; margin-bottom: 10px; }
.direction-row,
.action-row { display: flex; flex-wrap: wrap; gap: 10px; }

.dir-btn,
.action-btn {
  border: none;
  border-radius: 16px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.88);
  color: var(--ink);
  box-shadow: 0 8px 16px rgba(53, 74, 47, 0.1);
}

.dir-btn {
  min-width: 56px;
  font-size: 1.35rem;
  font-weight: 800;
}
.dir-btn.active,
.action-btn.primary {
  background: linear-gradient(180deg, #3da36f 0%, #2f8f63 100%);
  color: white;
}
.action-btn.soft { background: rgba(244,185,58,0.16); }
.action-btn { font-weight: 700; }
.action-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.primary-row .action-btn { flex: 1 1 160px; }

.side-panel { display: grid; gap: 18px; }
.score-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.message {
  margin: 14px 0 0;
  min-height: 2.8em;
  font-weight: 600;
}
.flower-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}
.flower-list li { color: var(--muted); }
.flower-list strong { font-size: 1rem; color: var(--ink); }
.gold { color: #9b6800; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .side-panel { order: 2; }
  .hud { grid-template-columns: 1fr; }
  .board-header { flex-direction: column; }
}

@media (max-width: 520px) {
  :root { --cell-size: min(16.6vw, 64px); --gap: 8px; }
  .wrap { width: min(100% - 14px, 560px); }
  .hero,
  .board-panel,
  .side-panel > .panel { padding: 16px; border-radius: 20px; }
  .garden-shell { padding-left: 18px; }
  .entry-label { font-size: 0.72rem; }
  .dir-btn, .action-btn { flex: 1 1 auto; justify-content: center; }
}