* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  height: 100%;
  /* iOS: extend into notch/home-indicator zones */
  background: #0a0808;
}

html, body {
  width: 100%;
  overflow: hidden;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  background: #0a0808;
  /* push content inside safe area on devices with notch/home indicator */
  padding-top:    env(safe-area-inset-top,    0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left:   env(safe-area-inset-left,   0px);
  padding-right:  env(safe-area-inset-right,  0px);
}

#game-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#game-container canvas {
  display: block;
  max-width: 100vw;
  max-height: 100dvh;
  image-rendering: pixelated;
}

/* ── Mobile letterbox overlay zones ──────────────────────────
   Positioned by MobileOverlay.js after it measures the canvas.
   Both are hidden (display:none) on desktop / landscape where
   there is no meaningful letterbox space.
──────────────────────────────────────────────────────────── */
.dk-overlay {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 100;
  background: #0a0808;
  display: none;            /* shown by JS when letterbox ≥ 32px */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;     /* taps pass through to canvas */
  overflow: hidden;
  padding: 0 max(env(safe-area-inset-left, 8px), 8px);
}

.dk-overlay-top {
  top: 0;
  justify-content: flex-end;  /* content hugs the canvas edge */
  padding-top:    max(env(safe-area-inset-top, 4px), 4px);
  padding-bottom: 6px;
  gap: 2px;
}

.dk-overlay-bot {
  bottom: 0;
  justify-content: flex-start;
  padding-top:    6px;
  padding-bottom: max(env(safe-area-inset-bottom, 4px), 4px);
}

/* ── Phase / wave status line ────────────────────────────── */
.dk-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Courier New', Courier, monospace;
  font-size: clamp(9px, 2.6vw, 12px);
  letter-spacing: 0.06em;
  opacity: 0.65;
  min-height: 14px;
}

.dk-status-wave {
  color: #7A6545;
}

/* ── Announcement text ───────────────────────────────────── */
.dk-announce {
  width: 100%;
  text-align: center;
  font-family: 'Courier New', Courier, monospace;
  font-size: clamp(11px, 3.4vw, 15px);
  color: #EDE0C4;
  text-shadow: 0 0 10px rgba(0,0,0,0.9), 1px 1px 0 #000;
  letter-spacing: 0.03em;
  padding: 3px 8px;
  min-height: 18px;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.28s ease, transform 0.28s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dk-announce.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Resource chips row ──────────────────────────────────── */
.dk-resources {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2px 8px;
  padding: 2px 4px;
}

.dk-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  white-space: nowrap;
}

.dk-chip-lbl {
  font-family: 'Courier New', Courier, monospace;
  font-size: clamp(8px, 2.2vw, 10px);
  opacity: 0.65;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dk-chip-val {
  font-family: 'Courier New', Courier, monospace;
  font-size: clamp(10px, 2.8vw, 13px);
  font-weight: bold;
  letter-spacing: 0.02em;
  text-shadow: 0 0 6px rgba(0,0,0,0.7);
}