:root {
  --bg: #14110f;
  --panel: #1d1815;
  --panel-2: #241e19;
  --border: #4a3a28;
  --border-light: #6b5438;
  --text: #e7dcc4;
  --text-dim: #a89a7c;
  --accent: #b3421f;
  --accent-2: #c9a227;
  --shadow: rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: "Segoe UI", "Trebuchet MS", Verdana, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh; /* iOS Safari's address bar eats into 100vh; dvh accounts for it */
}

#topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.6rem 1rem;
  padding-top: calc(0.6rem + env(safe-area-inset-top));
  padding-left: calc(1rem + env(safe-area-inset-left));
  padding-right: calc(1rem + env(safe-area-inset-right));
  background: linear-gradient(180deg, #241e19, #171310);
  border-bottom: 3px solid var(--border);
  box-shadow: 0 2px 10px var(--shadow);
  z-index: 5;
  flex-wrap: wrap;
}

#topbar h1 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--accent-2);
  white-space: nowrap;
  letter-spacing: 0.03em;
  text-shadow: 0 1px 0 #000;
}
#topbar h1 .sub {
  display: block;
  font-size: 0.62rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: normal;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.toolbar .sep {
  width: 1px;
  height: 1.6rem;
  background: var(--border-light);
  margin: 0 0.25rem;
}

button {
  font: inherit;
  padding: 0.4rem 0.8rem;
  border: 2px solid var(--border-light);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease;
}
button:hover { background: #322a22; border-color: var(--accent-2); }
button:active { transform: translateY(1px) scale(0.98); }
button.primary {
  background: var(--accent);
  color: #fff2df;
  border-color: #7a2c14;
}
button.primary:hover { background: #d04e26; }

#zoomLabel { min-width: 3.2rem; text-align: center; font-size: 0.9rem; color: var(--text-dim); }

.chk { display: flex; align-items: center; gap: 0.35rem; font-size: 0.9rem; user-select: none; color: var(--text-dim); }

#main {
  flex: 1;
  display: flex;
  min-height: 0;
}

#viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at center, #241f1a 0%, #0f0d0b 100%);
  cursor: grab;
}
#viewport.panning { cursor: grabbing; }

#world {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  /* scoped here (not on #viewport) so pinch/drag-to-pan-and-zoom the map doesn't fight the
     browser's native gestures, while the start screen / banners (siblings, not descendants
     of #world) keep normal touch scrolling and tapping */
  touch-action: none;
}

#world canvas {
  position: absolute;
  top: 0;
  left: 0;
  image-rendering: auto;
}
/* the hero/monster/portal/treasure layer — pixelated so the hero & monsters' 16-bit
   pixel art stays crisp at any zoom level instead of getting smoothed into a blur */
#overlayCanvas { pointer-events: none; image-rendering: pixelated; }

#hud { display: flex; flex-direction: column; gap: 0.4rem; flex: 1; min-width: 0; }
#hud[hidden] { display: none; }
.hudRow {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.hudSpacer { flex: 1; }
.hudStat {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  background: var(--panel-2);
  border: 2px solid var(--border-light);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.hudStat.compass { color: var(--accent-2); }
.hudStat.alert {
  color: #ffdca0;
  background: #5c1e14;
  border-color: var(--accent);
  animation: pulseAlert 1s infinite;
}
.iconBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
  border-radius: 8px;
  flex: none;
}
#btnQuit { color: #e88a72; }
#btnQuit:hover { background: #5c1e14; border-color: var(--accent); }
.zoomBtn { flex: none; }
@keyframes pulseAlert {
  0%, 100% { box-shadow: 0 0 0 0 rgba(179, 66, 31, 0.6); }
  50% { box-shadow: 0 0 0 5px rgba(179, 66, 31, 0); }
}

#hudToast {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translate(-50%, -14px);
  background: rgba(20, 16, 12, 0.92);
  border: 2px solid var(--accent-2);
  border-radius: 8px;
  padding: 0.5rem 1.1rem;
  font-weight: 700;
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 8;
  white-space: nowrap;
}
#hudToast.show { opacity: 1; transform: translate(-50%, 0); }

.hidden { display: none !important; }

#touchControls {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 6;
  display: grid;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(3, 56px);
  gap: 6px;
  touch-action: none;
}
#touchControls[hidden] { display: none; }
.dpad-btn {
  padding: 0;
  margin: 0;
  font-size: 1.3rem;
  background: linear-gradient(180deg, rgba(60, 50, 40, 0.85), rgba(28, 22, 18, 0.85));
  backdrop-filter: blur(2px);
  border: 2px solid var(--border-light);
  border-radius: 14px;
  color: var(--accent-2);
  box-shadow: 0 3px 8px var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}
.dpad-btn:active { background: var(--accent); color: #fff2df; box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4); }
.dpad-up { grid-column: 2; grid-row: 1; }
.dpad-left { grid-column: 1; grid-row: 2; }
.dpad-right { grid-column: 3; grid-row: 2; }
.dpad-down { grid-column: 2; grid-row: 3; }

/* phones: shrink chrome, guarantee comfortable tap targets, let the HUD wrap to two lines */
@media (max-width: 640px) {
  #topbar { padding: 0.4rem 0.6rem; gap: 0.5rem; }
  #topbar.playing h1 { display: none; }
  #topbar h1 { font-size: 0.95rem; }
  #hud { gap: 0.3rem; }
  .hudRow { gap: 0.3rem; }
  .hudStat { font-size: 0.78rem; padding: 0.28rem 0.5rem; }
  .zoomBtn { display: none; }
  .iconBtn { width: 2rem; height: 2rem; font-size: 1rem; }
  button { padding: 0.55rem 0.8rem; min-height: 40px; }
  .size-btn, #btnZoomIn, #btnZoomOut { min-height: 36px; }
  .bannerCard, .startCard { padding: 1.4rem 1.2rem; max-width: 100%; }
  .bigBtn { min-height: 48px; }
  #seedInput { flex: 1; width: auto; }
  .lbTable { font-size: 0.72rem; }
  .lbTable th, .lbTable td { padding: 0.25rem 0.2rem; }
}

#gameBanner, #startScreen, #upgradeBanner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 8, 6, 0.82);
  z-index: 10;
  overflow-y: auto;
  padding: 2rem 1rem;
}
.bannerCard, .startCard {
  background: var(--panel);
  border: 3px solid var(--accent-2);
  border-radius: 12px;
  padding: 2rem 2.5rem;
  text-align: center;
  box-shadow: 0 10px 40px var(--shadow);
  max-width: 420px;
  margin: auto;
}
.bannerCard h2, .startCard h2 {
  margin: 0 0 0.5rem 0;
  color: var(--accent-2);
  font-size: 1.6rem;
  text-shadow: 0 1px 0 #000;
}
.bannerCard p { color: var(--text); font-size: 0.95rem; margin: 0 0 1.2rem 0; }
.bannerBtns { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }
.seedShare { font-size: 0.9rem; color: var(--text-dim); }
.seedShare span { font-weight: 700; color: var(--accent-2); letter-spacing: 0.05em; }
#btnCopySeed { padding: 0.15rem 0.4rem; font-size: 0.85rem; }

.startCard { max-width: 480px; width: 100%; }
.startCard .tagline { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 1rem 0; }
.milestoneList {
  list-style: none;
  margin: 0 0 1.4rem 0;
  padding: 0.7rem 0.9rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: left;
}
.milestoneList li {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0.35rem 0;
}
.milestoneList li strong { color: var(--accent-2); }
.startRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.7rem 0;
  text-align: left;
}
.startLabel { font-weight: 700; color: var(--text-dim); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.sizeToggle { display: flex; gap: 0.3rem; background: var(--panel-2); border: 2px solid var(--border-light); border-radius: 6px; padding: 2px; }
.size-btn { border: none; background: transparent; padding: 0.35rem 0.8rem; }
.size-btn.active { background: var(--accent); color: #fff2df; }
.size-btn.active:hover { background: #d04e26; }
.seedRow { display: flex; gap: 0.4rem; }
#seedInput {
  font: inherit;
  width: 9rem;
  padding: 0.4rem 0.6rem;
  border: 2px solid var(--border-light);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
#seedInput:focus { outline: none; border-color: var(--accent-2); }
.seedHint { font-size: 0.75rem; color: var(--text-dim); margin: 0.4rem 0 1.2rem 0; text-align: left; line-height: 1.4; }
.bigBtn { width: 100%; padding: 0.7rem; font-size: 1.05rem; font-weight: 700; }

.leaderboardBox { margin-top: 1.8rem; text-align: left; border-top: 1px solid var(--border); padding-top: 1.2rem; }
.leaderboardBox h3 { margin: 0 0 0.6rem 0; color: var(--accent-2); font-size: 1rem; }
.lbSizeLabel { color: var(--text-dim); font-weight: normal; font-size: 0.85rem; }
.lbTable { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.lbTable th { text-align: left; color: var(--text-dim); font-weight: 600; padding: 0.25rem 0.4rem; border-bottom: 1px solid var(--border); }
.lbTable td { padding: 0.3rem 0.4rem; border-bottom: 1px solid rgba(74, 58, 40, 0.4); }
.lbTable td.seedCell { font-weight: 700; color: var(--accent-2); letter-spacing: 0.04em; cursor: pointer; }
.lbTable td.rankCell { color: var(--text-dim); }
.lbTable button.replayBtn { padding: 0.1rem 0.4rem; font-size: 0.8rem; }
.lbEmpty { color: var(--text-dim); font-size: 0.85rem; font-style: italic; }
.lbNote { color: var(--text-dim); font-size: 0.7rem; margin-top: 0.6rem; opacity: 0.8; }