:root {
  --ink: #3b2a22;
  --cream: #fff6e6;
  --card: rgba(255, 246, 230, 0.94);
  --accent: #d9774b;
  --accent-dark: #b85c34;
  --soft: rgba(59, 42, 34, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: #1b1310;
  overflow: hidden;
  font-family: "Fredoka", "Segoe UI Rounded", system-ui, sans-serif;
  color: var(--ink);
}

#stage {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
}

#scene {
  display: block;
  width: 100vw;
  height: 100vh;
}

/* ---------- Intro ---------- */
.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at center, rgba(30, 18, 12, 0.35), rgba(20, 12, 8, 0.75));
  backdrop-filter: blur(3px);
  transition: opacity 1.2s ease;
  z-index: 10;
}
.overlay.gone { opacity: 0; pointer-events: none; }

.card {
  background: var(--card);
  border-radius: 28px;
  padding: 40px 48px 32px;
  max-width: 520px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), inset 0 -4px 0 rgba(59, 42, 34, 0.08);
}
.card h1 {
  margin: 0 0 10px;
  font-size: 54px;
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: 0.5px;
}
.card p { font-size: 19px; line-height: 1.5; margin: 0 0 24px; }
.card p.small { font-size: 14px; opacity: 0.65; margin: 18px 0 0; }

button {
  font: inherit;
  font-size: 17px;
  font-weight: 500;
  border: none;
  border-radius: 999px;
  padding: 11px 22px;
  cursor: pointer;
  background: #f1e2c9;
  color: var(--ink);
  box-shadow: inset 0 -3px 0 rgba(59, 42, 34, 0.15);
  transition: transform 0.12s ease, background 0.2s ease;
}
button:hover { transform: translateY(-1px); background: #ead6b6; }
button:active { transform: translateY(1px); }
button.primary { background: var(--accent); color: #fff; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18); }
button.primary:hover { background: #e2845a; }
button.ghost { background: transparent; box-shadow: none; text-decoration: underline; opacity: 0.75; display: block; margin: 12px auto 0; font-size: 15px; }

.card button.primary { font-size: 22px; padding: 14px 34px; }

/* ---------- HUD ---------- */
#hud {
  position: absolute;
  left: 50%;
  bottom: 2.2vh;
  transform: translateX(-50%);
  width: min(1100px, 92vw);
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(255, 246, 230, 0.86);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), inset 0 -3px 0 rgba(59, 42, 34, 0.08);
  backdrop-filter: blur(6px);
  z-index: 5;
}

#pauseBtn { padding: 9px 18px; font-size: 16px; white-space: nowrap; }
#pauseBtn.on { background: var(--accent); color: #fff; }
#hud.paused #noiseWrap { opacity: 0.45; }

#undo, #pausedBanner {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  border-radius: 999px;
  background: rgba(255, 246, 230, 0.92);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
#undo { bottom: calc(2.2vh + 82px); display: flex; align-items: center; gap: 14px; padding: 8px 8px 8px 20px; font-size: 17px; }
#undo button { font-size: 16px; padding: 8px 18px; }
#pausedBanner { top: 22px; padding: 10px 26px; font-size: 22px; font-weight: 600; color: var(--accent-dark); }
#undo.hidden, #pausedBanner.hidden { opacity: 0; transform: translate(-50%, 8px); pointer-events: none; }

#catCount { font-size: 20px; font-weight: 600; white-space: nowrap; min-width: 150px; }
#catCount .paw { font-size: 18px; }
#catCountLabel { font-weight: 400; font-size: 16px; opacity: 0.8; }

#noiseWrap { flex: 1; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; }
#noiseLabel { font-size: 15px; opacity: 0.75; white-space: nowrap; }
#noiseStatus { font-size: 15px; min-width: 210px; text-align: right; font-weight: 500; transition: color 0.3s; }

#noiseBar {
  position: relative;
  height: 22px;
  border-radius: 999px;
  background: rgba(59, 42, 34, 0.12);
  box-shadow: inset 0 2px 4px rgba(59, 42, 34, 0.18);
  overflow: hidden;
}
#noiseFill {
  position: absolute;
  inset: 3px auto 3px 3px;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, #8fc79a, #a9d18e 40%, #f2c46d 70%, #ea8a63 88%, #d9604b);
  background-size: var(--bar-w, 1000px) 100%;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.08), inset 0 2px 0 rgba(255, 255, 255, 0.35);
  transition: width 0.12s linear;
}
#noiseLimit {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 4px;
  margin-left: -2px;
  border-radius: 4px;
  background: var(--ink);
  opacity: 0.55;
}
#hud.restless #noiseStatus { color: #b8683a; }
#hud.loud #noiseStatus { color: #c2492f; }

#nextCat { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
#nextCatRing { position: relative; width: 40px; height: 40px; }
#nextCatRing svg { width: 40px; height: 40px; transform: rotate(-90deg); }
#nextCatRing circle { fill: none; stroke-width: 4; }
#nextCatRing .bg { stroke: rgba(59, 42, 34, 0.12); }
#nextCatRing .fg { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: 94.25; stroke-dashoffset: 94.25; transition: stroke-dashoffset 0.3s linear; }
#nextCatRing span { position: absolute; inset: 0; display: grid; place-items: center; font-size: 17px; }
#nextCatLabel { font-size: 15px; opacity: 0.75; }

/* ---------- Settings ---------- */
#settingsToggle {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  padding: 0;
  font-size: 24px;
  background: rgba(255, 246, 230, 0.7);
  z-index: 6;
  opacity: 0.55;
}
#settingsToggle:hover { opacity: 1; }

#settings {
  position: absolute;
  top: 74px;
  right: 18px;
  width: 340px;
  padding: 20px 22px;
  border-radius: 22px;
  background: var(--card);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  z-index: 6;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
#settings.hidden { opacity: 0; transform: translateY(-8px); pointer-events: none; }
#settings h2 { margin: 0 0 12px; font-size: 20px; font-weight: 600; }
#settings label { display: block; font-size: 14px; margin: 10px 0; }
#settings label span { float: right; opacity: 0.7; }
#settings label.row { display: flex; align-items: center; gap: 8px; }
#settings input[type="range"] { width: 100%; accent-color: var(--accent); margin-top: 6px; }
#settings input[type="checkbox"] { accent-color: var(--accent); width: 18px; height: 18px; }
#settings .buttons { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
#settings .buttons button { flex: 1; font-size: 15px; padding: 9px 12px; }

@media (max-width: 760px) {
  #hud { flex-wrap: wrap; border-radius: 22px; gap: 10px; }
  #noiseLabel, #nextCatLabel { display: none; }
  #settings { width: calc(100vw - 32px); right: 16px; }
}