:root {
  --paper: #f4efe6;
  --ink: #1c2740;
  --red: #9d2a2e;
  --mute: #6a6570;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  touch-action: none;
}

canvas#stage {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline: none;
  visibility: hidden;
  cursor: grab;
}

canvas#stage.ready { visibility: visible; }
canvas#stage.drag { cursor: grabbing; }

#hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

header.top {
  position: absolute;
  top: max(18px, env(safe-area-inset-top));
  left: 22px;
  max-width: min(420px, calc(100vw - 48px));
}

header.top h1 {
  font-size: clamp(1.25rem, 2.6vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.1;
  color: var(--ink);
}

header.top p.tag {
  margin-top: 6px;
  color: var(--red);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#help {
  position: absolute;
  left: 22px;
  bottom: max(18px, env(safe-area-inset-bottom));
  color: var(--mute);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  max-width: 46vw;
}

#walk {
  position: absolute;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

#walk button {
  appearance: none;
  min-width: 76px;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(28, 39, 64, 0.28);
  background: rgba(244, 239, 230, 0.92);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  touch-action: manipulation;
}

#walk button:active,
#walk button.held {
  background: rgba(157, 42, 46, 0.12);
  border-color: var(--red);
}

#loader {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--paper);
  z-index: 6;
}

#loader[hidden] { display: none !important; }

#loader .inner { text-align: center; padding: 0 24px; }

#loader h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

#loader p {
  margin-top: 8px;
  color: var(--mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

#loader.error p {
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--red);
  font-size: 0.92rem;
  max-width: 22rem;
}