/* Sound Sprouts — DOM styling. The three.js canvas is the world; these are the
   menu overlay, the in-game HUD buttons, and the garden collection strip.
   Built for a 4-year-old on an iPad: huge touch targets, no reading required. */

@font-face {
  font-family: 'Fredoka';
  /* fetched by a separate task; if missing, the stack below falls back cleanly */
  src: url('../assets/fonts/fredoka-latin-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --cream: #FFF7E8;
  --sky: #BDE8FF;
  --coral: #FF5A2B;
  --leaf: #43BE2E;
  --brown: #4A2F1F;
  --wood: #D9A05B;
  --font: 'Fredoka', 'Arial Rounded MT Bold', 'Trebuchet MS', sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html {
  /* sky fallback behind the fixed #bg plate; prevents a white flash and stops
     body-background propagation from covering the z-index:-1 plate. */
  background-color: var(--sky);
}
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: transparent;
  font-family: var(--font);
  /* suppress long-press callout / selection / context menus on iPad */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  overscroll-behavior: none;
  touch-action: none;
}

/* illustrated background plate behind the transparent WebGL canvas. cover +
   center bottom keeps the podium centered & visible in portrait and landscape. */
#bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: url('../assets/gen/bg.jpg');
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
  background-color: var(--sky);
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  background: transparent;
}

.hidden { display: none !important; }

/* ===================== Menu overlay ===================== */

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6vh;
  padding: max(4vh, env(safe-area-inset-top)) 5vw
           max(4vh, env(safe-area-inset-bottom)) 5vw;
  pointer-events: auto;
}

.title-img {
  display: block;
  width: min(82vw, 640px);
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
  animation: titleBob 3.6s ease-in-out infinite;
}

@keyframes titleBob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.4vh;
  width: min(86vw, 560px);
}

/* landscape: cap by height so all three stacked buttons + title always fit */
@media (orientation: landscape) {
  .title-img   { width: min(70vh, 640px); }
  .menu-buttons { width: min(62vh, 560px); }
}

.big-button {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform 0.09s ease-out, filter 0.09s ease-out;
}

.big-button img {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 7px 12px rgba(74, 47, 31, 0.22));
}

.big-button:active {
  transform: translateY(4px) scale(0.99);
}

/* ===================== In-game HUD ===================== */

.hud-button {
  position: fixed;
  width: 84px;
  height: 84px;
  border: none;
  border-radius: 50%;
  background: var(--cream);
  font-size: 42px;
  line-height: 1;
  cursor: pointer;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 0 rgba(74, 47, 31, 0.12), 0 10px 20px rgba(74, 47, 31, 0.18);
  transition: transform 0.08s ease-out, box-shadow 0.08s ease-out;
  touch-action: manipulation;
}

.hud-button:active {
  transform: translateY(3px);
  box-shadow: 0 3px 0 rgba(74, 47, 31, 0.12), 0 6px 12px rgba(74, 47, 31, 0.18);
}

/* image-based HUD buttons: the PNG is itself a round glossy cream button, so we
   drop the CSS pill background/shadow and let the artwork carry the look. */
.hud-img {
  background-color: transparent;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  box-shadow: none;
  font-size: 0;
}

.hud-img:active {
  box-shadow: none;
}

.hud-home    { background-image: url('../assets/gen/ui/btn-home.png'); }
.hud-sound   { background-image: url('../assets/gen/ui/btn-sound.png'); }
.hud-shuffle { background-image: url('../assets/gen/ui/btn-shuffle.png'); }
.hud-play    { background-image: url('../assets/gen/ui/btn-play.png'); }

#btn-home {
  top: max(16px, env(safe-area-inset-top));
  left: max(16px, env(safe-area-inset-left));
}

.hud-bottom-left {
  bottom: max(16px, env(safe-area-inset-bottom));
  left: max(16px, env(safe-area-inset-left));
}

.hud-bottom-right {
  bottom: max(16px, env(safe-area-inset-bottom));
  right: max(16px, env(safe-area-inset-right));
}

/* big celebratory "Again" (play) button, centered near the bottom. Uses the
   generated btn-play artwork; kept round + large + with the pop-in animation. */
.again-button {
  position: fixed;
  left: 50%;
  bottom: max(28px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: 110px;
  height: 110px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: transparent;
  background-image: url('../assets/gen/ui/btn-play.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  font-size: 0;
  cursor: pointer;
  z-index: 25;
  animation: again-pop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  touch-action: manipulation;
}

.again-button:active {
  transform: translateX(-50%) translateY(4px);
}

@keyframes again-pop {
  0%   { transform: translateX(-50%) scale(0.4); opacity: 0; }
  100% { transform: translateX(-50%) scale(1);   opacity: 1; }
}

/* ===================== Garden row (free play collection) ===== */

#garden-row {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  padding: 8px 14px;
  max-width: 92vw;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.55);
  border-radius: 28px;
  z-index: 15;
  pointer-events: none;
}

.garden-card {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  box-shadow: 0 3px 8px rgba(74, 47, 31, 0.18);
  animation: again-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}