:root {
  --bg: #0b1a12;
  --panel: #13261b;
  --accent: #f4c430;
  --leaf: #3ecf7a;
  --ink: #e8f5e9;
  --muted: #8fb89a;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(ellipse at top, #143222 0%, var(--bg) 70%);
  color: var(--ink);
}

#wrap {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 1rem 1.25rem;
  gap: 0.5rem;
}

header {
  width: min(960px, 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  text-shadow: 0 2px 0 #5a3a00;
}

#hud {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
  color: var(--muted);
}
#hud b {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

#game {
  width: min(960px, 100%);
  height: auto;
  aspect-ratio: 16 / 9;
  background: #5ec8ff;
  border-radius: 12px;
  box-shadow:
    0 0 0 4px #2a4a34,
    0 0 0 8px #1a3022,
    0 20px 50px rgba(0, 0, 0, 0.45);
  image-rendering: pixelated;
  display: block;
  cursor: none;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 14, 10, 0.78);
  display: grid;
  place-items: center;
  z-index: 20;
  padding: 1rem;
}
.overlay.hidden { display: none; }

.panel {
  background: linear-gradient(160deg, #1a3324, var(--panel));
  border: 2px solid #3d6b4f;
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  text-align: center;
}
.panel h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
  color: var(--accent);
  text-shadow: 0 3px 0 #6b4a00;
}
.tag {
  margin: 0 0 1rem;
  color: var(--muted);
}
.help {
  text-align: left;
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  line-height: 1.55;
  color: var(--ink);
}
.help kbd {
  display: inline-block;
  min-width: 1.4em;
  padding: 0.1em 0.35em;
  margin: 0 0.1em;
  border-radius: 4px;
  background: #0d1f14;
  border: 1px solid #3d6b4f;
  font-size: 0.85em;
  font-family: inherit;
}
.gold { color: var(--accent); font-weight: 700; }
.hint {
  margin: 0.85rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

button {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.6rem;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  color: #1a1000;
  background: linear-gradient(180deg, #ffe066, var(--accent) 55%, #c99700);
  box-shadow: 0 4px 0 #8a6500, 0 8px 16px rgba(0, 0, 0, 0.3);
  transition: transform 0.1s;
}
button:hover { filter: brightness(1.06); }
button:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #8a6500, 0 4px 8px rgba(0, 0, 0, 0.3);
}

.toast {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1.25rem;
  z-index: 15;
  pointer-events: none;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 0 #000;
}
.toast.hidden { display: none; }
.toast.win { color: var(--accent); }
.toast.lose { color: #ff8a80; }