:root {
  --bg: #1b2a13;
  --bg-2: #243a1a;
  --panel: #2e4a22;
  --panel-2: #36572a;
  --ink: #f3eccd;
  --ink-dim: #c9c39f;
  --accent: #f5c451;
  --accent-2: #e08e3a;
  --good: #8acc4a;
  --bad: #d96666;
  --shadow: 0 2px 8px rgba(0,0,0,0.4);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background:
    radial-gradient(ellipse at top, #2a4218 0%, #1b2a13 60%, #0f1a0a 100%);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: var(--text-size, 14pt);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  overflow: hidden;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Views */
.view {
  display: none;
  flex: 1;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px 32px;
  overflow-y: auto;
}
.view.active { display: flex; }

.hidden { display: none !important; }

/* HUD */
#hud {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 2px solid #0e170a;
  box-shadow: var(--shadow);
}
.hud-item {
  display: flex;
  align-items: center;
  gap: 4px;
}
.hud-label {
  font-size: 0.75em;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 4px;
}
#hud-menu { margin-left: auto; }
.hud-dev {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.hud-dev + #hud-menu { margin-left: 4px; }
.hud-dev .btn-dev { padding: 4px 8px; font-size: 0.78em; }
.dev-btn-row { flex-wrap: wrap; }
.dev-btn-row .btn-dev { padding: 6px 10px; }

/* Menu */
.title {
  font-size: 2.4em;
  margin: 24px 0 0;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-shadow: 0 2px 0 #6b4a18, 0 4px 12px rgba(0,0,0,0.5);
}
.subtitle {
  color: var(--ink-dim);
  margin: 4px 0 32px;
  font-style: italic;
}
.menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(320px, 90%);
}
.version-tag {
  position: absolute;
  bottom: 12px;
  color: var(--ink-dim);
  font-size: 0.75em;
  opacity: 0.8;
}

/* Headings */
.view h2 {
  margin: 8px 0 16px;
  color: var(--accent);
}

/* Buttons */
button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  padding: 12px 20px;
  transition: transform 0.05s ease, filter 0.1s ease;
}
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #2a1a06;
  font-weight: 700;
  box-shadow: 0 3px 0 var(--accent-2), var(--shadow);
}
.btn-primary:active { box-shadow: 0 1px 0 var(--accent-2), var(--shadow); }

.btn-secondary {
  background: var(--panel-2);
  color: var(--ink);
  font-weight: 600;
  border: 1px solid #1a2a10;
  box-shadow: 0 2px 0 #1a2a10, var(--shadow);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid #1a2a10;
  padding: 6px 12px;
}

.btn-dev {
  background: #b94a8a;
  color: #fff5fb;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 8px;
  box-shadow: 0 2px 0 #6b1f4a, var(--shadow);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}
.btn-dev:active { box-shadow: 0 1px 0 #6b1f4a, var(--shadow); }

.section-head {
  width: min(420px, 95%);
  margin: 16px 0 6px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8em;
  border-bottom: 1px dashed #1a2a10;
  padding-bottom: 4px;
}

/* Game */
#view-game {
  padding-top: 16px;
}
#field {
  width: min(90vw, 90vh, 480px);
  height: min(90vw, 90vh, 480px);
  background: #6b4a18;
  border: 4px solid #3a2710;
  border-radius: 6px;
  box-shadow: var(--shadow);
  touch-action: none;
}
.game-footer {
  margin-top: 12px;
  color: var(--ink-dim);
}
.hint { margin: 0; font-size: 0.85em; }

/* Upgrades */
.upgrade-list {
  width: min(420px, 95%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.upgrade {
  background: var(--panel);
  border: 1px solid #1a2a10;
  border-radius: var(--radius);
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
  box-shadow: var(--shadow);
}
.upgrade .name { font-weight: 700; color: var(--accent); }
.upgrade .desc { grid-column: 1 / -1; color: var(--ink-dim); font-size: 0.85em; }
.upgrade .level { font-size: 0.8em; color: var(--ink-dim); }
.upgrade button {
  padding: 8px 14px;
  background: var(--accent);
  color: #2a1a06;
  font-weight: 700;
  border-radius: 8px;
}
.upgrade button.locked { background: var(--panel-2); color: var(--ink); }
#upgrades-continue { margin-top: 8px; min-width: 200px; }

/* Settings */
.form-row {
  width: min(420px, 95%);
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px 12px;
  align-items: center;
  padding: 8px 12px;
  background: var(--panel);
  border-radius: var(--radius);
  margin-bottom: 8px;
  border: 1px solid #1a2a10;
}
.form-row label { font-weight: 600; }
.form-row .value { min-width: 32px; text-align: right; color: var(--ink-dim); }
.form-row .seg {
  grid-column: 2 / -1;
  display: flex;
  gap: 6px;
}
.form-row .seg button {
  background: var(--panel-2);
  color: var(--ink);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid #1a2a10;
  font-size: 0.9em;
}
.form-row .seg button.on {
  background: var(--accent);
  color: #2a1a06;
  font-weight: 700;
}
input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 180px;
  height: 6px;
  background: #1a2a10;
  border-radius: 3px;
  outline: none;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #2a1a06;
  cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #2a1a06;
  cursor: pointer;
}
input[type=checkbox] {
  width: 22px;
  height: 22px;
  accent-color: var(--accent);
}

/* Patch notes */
.patch-list {
  width: min(640px, 95%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.patch {
  background: var(--panel);
  border: 1px solid #1a2a10;
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.patch h3 {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 1.05em;
}
.patch .date { color: var(--ink-dim); font-size: 0.8em; margin-bottom: 6px; }
.patch ul { margin: 0; padding-left: 1.2em; }
.patch li { margin: 2px 0; }

/* Modal */
.modal {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal-card {
  background: var(--panel);
  border: 2px solid #1a2a10;
  border-radius: 14px;
  padding: 20px 24px;
  width: min(420px, 100%);
  text-align: center;
  box-shadow: 0 12px 32px rgba(0,0,0,0.6);
}
.modal-card h2 { margin: 0 0 8px; color: var(--accent); }
.big-stat {
  font-size: 1.8em;
  font-weight: 700;
  margin: 12px 0;
  color: var(--ink);
}
.end-breakdown {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  color: var(--ink-dim);
  font-size: 0.9em;
}
.end-breakdown li { padding: 2px 0; }

/* Toast */
.toast {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.8);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.85em;
  z-index: 60;
  pointer-events: none;
}