:root {
  --base: #dcdbd5;
  --ink: #0755bb;
  --player-size: clamp(220px, 32vw, 360px);
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  margin: 0;
  background: var(--base);
  color: var(--ink);
  font-family: Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.text-canvas,
.halo-canvas,
.text-stage {
  position: fixed;
  inset: 0;
  z-index: 1;
}

.text-canvas,
.halo-canvas {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.halo-canvas { opacity: 0; }

.text-stage {
  color: var(--ink);
  opacity: 0;
  user-select: text;
}

.text-stage.fallback { opacity: 1; }

.line {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  margin: 0;
  letter-spacing: 0;
  white-space: pre;
  cursor: text;
  will-change: transform;
}

.line[hidden] { display: none; }
.line--title { text-transform: uppercase; }
.line--source { font-style: italic; }

.player-frame {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: var(--player-size);
  aspect-ratio: 1;
  border: 0;
  background: transparent;
  clip-path: circle(45% at 50% 50%);
  transform: translate(-50%, -50%);
}

.curved-scrollbar {
  position: fixed;
  top: 0;
  right: max(12px, env(safe-area-inset-right));
  z-index: 3;
  width: 36px;
  height: 100dvh;
  overflow: visible;
  cursor: grab;
  outline: none;
  touch-action: none;
  user-select: none;
}

.curved-scrollbar[hidden] { display: none; }
.curved-scrollbar[data-dragging="true"] { cursor: grabbing; }

.curved-scrollbar:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 26px;
}

.curved-scrollbar[data-dragging="true"]:focus-visible { outline: none; }

.curved-scrollbar__thumb,
.curved-scrollbar__hit-area {
  fill: none;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.curved-scrollbar__thumb {
  stroke: var(--ink);
  stroke-width: 7;
  opacity: 0.9;
}

.curved-scrollbar__hit-area {
  stroke: transparent;
  stroke-width: 28;
  pointer-events: stroke;
}

@media (max-width: 719px) {
  .curved-scrollbar { width: 28px; }
}

.halo-toggle {
  position: fixed;
  left: max(18px, env(safe-area-inset-left));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 3;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: color-mix(in srgb, var(--base) 90%, transparent);
  color: var(--ink);
  font: 30px/1 Georgia, serif;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.halo-toggle:hover { background: var(--ink); color: var(--base); }
.halo-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.halo-toggle[aria-label="Return to the text"] { padding-bottom: 6px; }
.halo-toggle[hidden] { display: none; }

.source-copy {
  position: fixed;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: normal;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .line { will-change: auto; }
}