:root {
  --bg:        #090d0a;
  --green:     #4a8741;
  --green-dim: rgba(74, 135, 65, 0.14);
  --border:    rgba(74, 135, 65, 0.3);
  --text:      #d8e4d0;
  --muted:     #6a7c62;
  --accent:    #c4a44a;
  --danger:    #cc3333;
  --font:      'Share Tech Mono', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

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

body { position: relative; touch-action: none; }
#game { display: block; width: 100vw; height: 100vh; }

/* ── HUD ── */
.hud-marines {
  position: fixed; top: 14px; left: 16px; z-index: 3;
  font-family: var(--font); font-size: 0.78rem;
  letter-spacing: 0.12em; color: var(--text);
  pointer-events: none;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}
.hud-marines.good { color: var(--green); }
.hud-marines.warn { color: var(--accent); }
.hud-marines.bad  { color: var(--danger); }

.hud-restart {
  position: fixed; top: 10px; right: 14px; z-index: 3;
  background: transparent; border: none;
  font-size: 1.3rem; color: var(--muted);
  padding: 4px 8px; cursor: pointer;
  transition: color 0.15s;
}
.hud-restart:hover { color: var(--text); }

.hud-warning {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  z-index: 3; pointer-events: none;
  font-family: var(--font); font-size: 0.68rem;
  letter-spacing: 0.12em; color: var(--danger);
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0,0,0,0.9);
}

/* ── Overlays ── */
.overlay {
  position: fixed; inset: 0; display: flex;
  align-items: flex-start; justify-content: center;
  padding: 20px; overflow-y: auto; -webkit-overflow-scrolling: touch;
  background: radial-gradient(ellipse at top, rgba(74,135,65,0.06), transparent 55%),
              rgba(9, 13, 10, 0.84);
  z-index: 4;
}
.overlay .panel { margin: auto 0; }
.overlay.hidden { display: none; }

.panel {
  width: min(640px, 100%); padding: 24px 28px;
  background: rgba(9, 13, 10, 0.97);
  border: 1px solid var(--border); border-radius: 3px;
  box-shadow: 0 0 48px rgba(74, 135, 65, 0.08);
}

h1, h2, p { margin: 0; }

.kicker {
  margin-bottom: 6px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted); font-size: 0.68rem;
}

.title {
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  line-height: 1.05; margin-bottom: 12px;
  color: var(--text); letter-spacing: 0.04em;
}

.lead {
  color: var(--muted); font-size: 0.82rem;
  line-height: 1.75; margin-bottom: 14px;
}

.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px; margin: 14px 0 18px;
}

.feature {
  padding: 10px 12px;
  background: rgba(74, 135, 65, 0.05);
  border: 1px solid var(--border); border-radius: 2px;
}
.feature strong {
  display: block; margin-bottom: 4px; color: var(--green);
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
}
.feature span { color: var(--muted); font-size: 0.78rem; line-height: 1.55; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

button {
  appearance: none; border: 1px solid var(--green); border-radius: 2px;
  padding: 10px 20px; background: var(--green-dim); color: var(--text);
  font-family: var(--font); font-size: 0.78rem;
  letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
button:hover { background: rgba(74, 135, 65, 0.28); border-color: #6ab050; }

button.secondary {
  background: transparent; border-color: var(--border); color: var(--muted);
}
button.secondary:hover {
  background: rgba(74, 135, 65, 0.08);
  border-color: var(--green); color: var(--text);
}

.summary {
  margin: 14px 0 0; padding: 12px 14px;
  background: rgba(74, 135, 65, 0.05);
  border: 1px solid var(--border); border-radius: 2px;
  color: var(--muted); font-size: 0.8rem; line-height: 2;
}
.summary strong { color: var(--text); }

/* ── Score breakdown animation ── */
.aar-breakdown {
  margin: 14px 0 0; display: flex; flex-direction: column; gap: 0;
}
.aar-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 7px 14px; border: 1px solid transparent;
  opacity: 0; transform: translateX(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  font-size: 0.78rem; letter-spacing: 0.06em;
}
.aar-row.visible { opacity: 1; transform: translateX(0); }
.aar-row-label { color: var(--muted); text-transform: uppercase; }
.aar-row-val   { font-size: 0.88rem; letter-spacing: 0.04em; }
.aar-row.positive { background: rgba(74,135,65,0.07); border-color: rgba(74,135,65,0.2); }
.aar-row.negative { background: rgba(180,60,40,0.07); border-color: rgba(180,60,40,0.2); }
.aar-row.positive .aar-row-val { color: var(--green); }
.aar-row.negative .aar-row-val { color: var(--danger); }
.aar-row.total    { background: rgba(196,164,74,0.08); border-color: rgba(196,164,74,0.35); margin-top: 4px; }
.aar-row.total .aar-row-label { color: var(--accent); font-size: 0.82rem; }
.aar-row.total .aar-row-val   { color: var(--accent); font-size: 1.05rem; font-weight: bold; }
@keyframes aar-tick { from { opacity: 0.5 } to { opacity: 1 } }
.aar-counting { animation: aar-tick 0.07s steps(1) infinite; }

.mobile-controls {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; z-index: 3; touch-action: none;
}
.ctrl-btn {
  flex: 1; padding: 20px 8px; text-align: center;
  font-family: var(--font); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); background: rgba(9, 13, 10, 0.92);
  border-top: 1px solid var(--border);
  transition: background 0.08s, color 0.08s, border-color 0.08s;
  cursor: pointer;
}
.ctrl-btn + .ctrl-btn { border-left: 1px solid var(--border); }
.ctrl-btn.active {
  background: rgba(74, 135, 65, 0.22);
  color: var(--text); border-color: var(--green);
}
@media (min-width: 768px) { .mobile-controls { display: none; } }

@media (max-width: 767px) {
  .hud { width: calc(100vw - 20px); margin: 10px; padding: 8px 12px; }
  .panel { padding: 16px 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  #game { height: calc(100vh - 63px); }
}

/* ── Landscape prompt ── */
#rotate-screen {
  display: none;
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  align-items: center; justify-content: center; flex-direction: column;
  text-align: center; padding: 32px;
}
#rotate-screen.visible { display: flex; }

.rotate-icon {
  font-size: 4rem; line-height: 1;
  margin-bottom: 20px;
  animation: rotate-hint 1.6s ease-in-out infinite;
}
@keyframes rotate-hint {
  0%   { transform: rotate(0deg); }
  40%  { transform: rotate(90deg); }
  60%  { transform: rotate(90deg); }
  100% { transform: rotate(90deg) scale(1.05); }
}
.rotate-title {
  font-size: 1.1rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text);
  margin-bottom: 8px;
}
.rotate-sub {
  font-size: 0.75rem; color: var(--muted);
  letter-spacing: 0.08em; margin-bottom: 28px;
}
.rotate-skip {
  font-size: 0.65rem; color: var(--muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--border); border-radius: 2px;
  padding: 8px 18px; background: transparent;
  cursor: pointer; font-family: var(--font);
}
.rotate-skip:hover { color: var(--text); border-color: var(--green); }