:root {
  /* Subdued beige theme */
  --bg: #efe6d8;
  --bg-deep: #e3d5c0;
  --panel: #f6efe2;
  --panel-border: #cdb79e;
  --ink: #5a4a37;
  --ink-soft: #7d6b54;
  --accent: #b9906a;
  --accent-soft: #d8b892;
  --focus: #7a5a3a;
  --good: #8a9a6b;
  font-family: system-ui, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg-deep);
  color: var(--ink);
}

#app {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#scene {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--bg);
  image-rendering: auto;
}

#ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#ui > * {
  pointer-events: auto;
}

/* Bottom HUD */
.hud {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 1rem;
  background: linear-gradient(180deg, rgba(246, 239, 226, 0) 0%, var(--panel) 40%);
  border-top: 2px solid var(--panel-border);
}

.hud-money {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.35rem 0.7rem;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 999px;
  white-space: nowrap;
}

.hud-items {
  display: flex;
  gap: 0.4rem;
  flex: 1;
  flex-wrap: wrap;
}

.hud-actions {
  display: flex;
  gap: 0.4rem;
}

/* Selected-cat stats strip */
.hud-cat-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.6rem;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 999px;
  white-space: nowrap;
}

.hud-cat-stats[hidden] {
  display: none;
}

.hud-cat-name {
  font-weight: 700;
  color: var(--ink);
}

.hud-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.15rem 0.45rem;
  background: var(--bg);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.hud-stat-icon {
  font-size: 1.05rem;
  line-height: 1;
}

.hud-stat-value {
  color: var(--ink-soft);
  font-weight: 600;
}

.hud-btn,
.shop-open-btn,
.shop-adopt,
.shop-buy,
.modal-close,
.intro-start,
.intro-settings {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 0.6rem;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.hud-btn:hover,
.shop-open-btn:hover,
.shop-adopt:hover,
.shop-buy:hover,
.modal-close:hover,
.intro-start:hover,
.intro-settings:hover {
  background: var(--accent-soft);
}

.hud-btn[aria-pressed='true'],
.hud-btn.selected {
  background: var(--accent);
  color: #fff;
}

.shop-open-btn {
  position: absolute;
  right: 1rem;
  bottom: 4.2rem;
}

.hud-btn:focus-visible,
.shop-open-btn:focus-visible,
.shop-adopt:focus-visible,
.shop-buy:focus-visible,
.modal-close:focus-visible,
.intro-start:focus-visible,
.intro-settings:focus-visible,
#scene:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* Modal / book pages */
.modal-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(60, 48, 33, 0.35);
}

.modal {
  background: var(--panel);
  border: 3px solid var(--panel-border);
  border-radius: 1rem;
  padding: 1.2rem 1.4rem;
  max-width: min(720px, 92vw);
  max-height: 86vh;
  overflow: auto;
  box-shadow: 0 12px 40px rgba(60, 48, 33, 0.3);
}

.modal-title {
  margin: 0 0 0.3rem;
}

.modal-status {
  min-height: 1.2rem;
  margin: 0 0 0.6rem;
  color: var(--ink-soft);
  font-style: italic;
}

.shop-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--panel-border);
}

.shop-row-label {
  color: var(--ink);
}

.modal-close {
  margin-top: 0.8rem;
}

.book {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.book-page {
  background: #fbf6ec;
  border: 2px solid var(--panel-border);
  border-radius: 0.5rem;
  padding: 0.8rem 1rem;
}

/* Intro screen */
.intro {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: radial-gradient(circle at 50% 30%, var(--panel) 0%, var(--bg) 70%);
  text-align: center;
  z-index: 10;
}

.intro[hidden] {
  display: none;
}

.intro-title {
  /* Cloud-style lettering: soft, rounded, puffy. Uses bundled font if available. */
  font-family: 'CloudFont', system-ui, sans-serif;
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: #fff;
  letter-spacing: 0.04em;
  margin: 0;
  text-shadow:
    0 2px 0 var(--accent-soft),
    0 0 18px rgba(255, 255, 255, 0.9),
    0 8px 24px rgba(120, 90, 58, 0.35);
}

.intro-credit {
  color: var(--ink-soft);
  font-style: italic;
  margin: 0;
}

.intro-cat {
  width: 140px;
  height: 140px;
}

.intro-settings-panel {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.8rem 1rem;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 0.6rem;
}

.setting-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

@font-face {
  font-family: 'CloudFont';
  /* Placeholder: replace with a bundled free-licensed cloud-style font (see assets/CREDITS.md). */
  src: local('Comic Sans MS'), local('Baloo 2'), local('Quicksand');
  font-display: swap;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}