:root {
  color-scheme: dark;
  --bg: #070714;
  --ink: #e7fbff;
  --muted: #93a0b8;
  --cyan: #2de2e6;
  --magenta: #ff3d9a;
  --line: rgba(45, 226, 230, 0.35);
  --panel: rgba(8, 10, 22, 0.82);
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  min-height: 100dvh;
  touch-action: none;
  user-select: none;
}

.top {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: #090b16;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
}

.brand h1 {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
}

.mark {
  width: 12px;
  height: 12px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px var(--cyan);
}

.hud {
  display: flex;
  flex: 1;
  gap: 18px;
  margin: 0;
}

.hud div { min-width: 72px; }

.hud dt {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hud dd {
  margin: 2px 0 0;
  font-family: "Cascadia Mono", "Cascadia Code", Consolas, monospace;
  font-size: 16px;
  color: var(--cyan);
}

#mute,
#action {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  padding: 8px 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

#mute { font-size: 12px; }
#action { font-size: 14px; padding: 12px 22px; }

#mute[aria-pressed="true"] {
  color: var(--muted);
  border-color: #3a4258;
}

#action:hover,
#mute:hover { box-shadow: 0 0 18px rgba(45, 226, 230, 0.35); }

#action:focus-visible,
#mute:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 3px;
}

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

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.zones {
  display: none;
  position: absolute;
  inset: 0;
  justify-content: space-between;
  align-items: center;
  padding: 0 7%;
  color: rgba(45, 226, 230, 0.2);
  font-size: 42px;
  pointer-events: none;
}

@media (pointer: coarse) {
  .zones { display: flex; }
  .top { gap: 8px; padding: 8px 10px; }
  .hud { gap: 10px; }
  .brand { display: none; }
}

.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.035),
    rgba(255, 255, 255, 0.035) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: soft-light;
}

.paused {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--magenta);
  color: var(--magenta);
  letter-spacing: 0.22em;
  font-size: 13px;
  background: var(--panel);
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  background: rgba(5, 6, 14, 0.72);
}

.overlay[hidden] { display: none; }

.eyebrow {
  margin: 0;
  color: var(--magenta);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 12px;
}

.overlay h2 {
  margin: 0;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(45, 226, 230, 0.65);
}

#overlay-text {
  max-width: 46ch;
  margin: 8px 0 16px;
  color: var(--muted);
  line-height: 1.5;
}