:root {
  color-scheme: light;
  --paper: #f6f1e8;
  --paper-2: #fffaf0;
  --ink: #24231f;
  --muted: #716d64;
  --line: #d8d1c3;
  --teal: #008d8b;
  --teal-ink: #006665;
  --coral: #d85f48;
  --shadow: 0 18px 44px rgba(55, 48, 38, 0.12);
  font-family: "Avenir Next", "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 141, 139, 0.14), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(216, 95, 72, 0.12), transparent 24%),
    var(--paper);
}

button, input, select { font: inherit; }
button { cursor: pointer; }

.player-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 22px;
  display: grid;
  gap: 18px;
}

.player-header,
.controls-card,
.stage-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 250, 240, 0.82);
  box-shadow: var(--shadow);
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
}

h1 { margin: 0; font-size: 24px; }
p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

.player-actions { display: flex; gap: 10px; align-items: center; }
button {
  min-height: 52px;
  border: 1px solid #bfb6a7;
  border-radius: 12px;
  padding: 0 18px;
  color: var(--ink);
  background: rgba(255,255,255,0.66);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.player-actions a {
  min-height: 38px;
  border: 1px solid #bfb6a7;
  border-radius: 9px;
  padding: 0 14px;
  color: var(--ink);
  background: rgba(255,255,255,0.66);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

button.active,
button:hover,
.player-actions a:hover {
  color: white;
  border-color: var(--teal-ink);
  background: var(--teal);
}

.stage-card {
  padding: 18px;
}

#petCanvas {
  display: block;
  width: 100%;
  height: min(72vh, 640px);
  border-radius: 12px;
  border: 1px solid var(--line);
  image-rendering: pixelated;
}

.controls-card {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.state-buttons {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

.runtime-options {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.runtime-options label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 720px) {
  .player-header { align-items: stretch; flex-direction: column; }
  .state-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .runtime-options {
    gap: 12px;
  }
}