/* [2026-03-08] Aeterna Knot 品牌視覺規範 */
body {
  font-family: "Noto Sans TC", sans-serif;
}
h1,
h2,
.font-serif {
  font-family: "Noto Serif TC", serif;
}

canvas {
  image-rendering: pixelated; /* 核心：防止像素模糊 */
  image-rendering: crisp-edges;
  max-width: 100%;
  height: auto;
}

.custom-scrollbar::-webkit-scrollbar {
  width: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: #e7e5e4;
  border-radius: 10px;
}

#progress-ring {
  transition: stroke-dashoffset 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#legal-modal.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

input[type="range"] {
  -webkit-appearance: none;
}
input[type="range"]::-webkit-slider-runnable-track {
  background: #e7e5e4;
  height: 2px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 14px;
  width: 14px;
  background: #292524;
  border-radius: 50%;
  margin-top: -6px;
  cursor: pointer;
}