:root {
  --bg: #0d1117;
  --panel: #161c26;
  --ink: #e6edf3;
  --ink-dim: #8b96a5;
  --accent: #7ee0c3;
  --radius: 12px;
  font-size: 16px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: var(--panel);
  border-bottom: 1px solid #232c3a;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  user-select: none;
}

.logo span { color: var(--accent); }

.toy-nav {
  display: flex;
  gap: 0.35rem;
  flex: 1;
  flex-wrap: wrap;
}

.toy-nav button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-dim);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  transition: color 120ms, background 120ms;
}

.toy-nav button:hover { color: var(--ink); background: #1f2836; }

.toy-nav button.active {
  color: #0d1117;
  background: var(--accent);
}

.mute-btn {
  border: 1px solid #232c3a;
  background: transparent;
  border-radius: 999px;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
}

.mute-btn.muted { filter: grayscale(1); opacity: 0.5; }

.stage-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
}

#stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
}

.toy-hint {
  position: absolute;
  top: 0.8rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 17, 23, 0.75);
  border: 1px solid #232c3a;
  color: var(--ink-dim);
  font-size: 0.82rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  transition: opacity 400ms;
}

.toy-hint.faded { opacity: 0; }

.toy-toolbar {
  position: absolute;
  bottom: 0.9rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
}

.toy-toolbar button {
  border: 1px solid #232c3a;
  background: rgba(22, 28, 38, 0.85);
  color: var(--ink);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.toy-toolbar button:hover { border-color: var(--accent); }

.footer {
  padding: 0.4rem 1.1rem;
  background: var(--panel);
  border-top: 1px solid #232c3a;
  color: var(--ink-dim);
  font-size: 0.72rem;
  text-align: center;
  user-select: none;
}