:root {
  --ink: #070910;
  --ink2: #05070d;
  --glow: rgba(127, 255, 236, 0.25);
  --text: rgba(245, 247, 255, 0.92);
  --muted: rgba(245, 247, 255, 0.58);
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: radial-gradient(1400px 900px at 50% 20%, #0a1030 0%, var(--ink) 42%, var(--ink2) 100%);
  color: var(--text);
  font-family: "Fraunces", serif;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hud {
  position: fixed;
  left: 22px;
  top: 18px;
  pointer-events: none;
  user-select: none;
  mix-blend-mode: screen;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.55));
}

.hud__title {
  letter-spacing: 0.02em;
  font-weight: 600;
  font-size: 18px;
  opacity: 0.9;
}

.hud__sub {
  margin-top: 6px;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.85;
}

.hud__controls {
  margin-top: 10px;
  pointer-events: auto;
}

.say {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.say__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
}

.say__who {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 11px;
  color: rgba(245, 247, 255, 0.58);
  letter-spacing: 0.02em;
}

.say__input {
  flex: 1;
  min-width: 220px;
  max-width: 360px;
  height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 9, 16, 0.28);
  color: rgba(245, 247, 255, 0.92);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.01em;
  outline: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.say__input::placeholder {
  color: rgba(245, 247, 255, 0.46);
}

.say__input:focus-visible {
  outline: 2px solid rgba(160, 240, 255, 0.55);
  outline-offset: 2px;
}

.say__btn {
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(152, 245, 255, 0.28);
  background: rgba(152, 245, 255, 0.1);
  color: rgba(245, 247, 255, 0.92);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.14);
}

.say__btn:active {
  transform: translateY(1px);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 9, 16, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  user-select: none;
}

.toggle__input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.toggle__ui {
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: rgba(245, 247, 255, 0.18);
  border: 1px solid rgba(245, 247, 255, 0.18);
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.16);
}

.toggle__ui::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(245, 247, 255, 0.92);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
  transition: transform 160ms ease, background-color 160ms ease;
}

.toggle__label {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 12px;
  color: rgba(245, 247, 255, 0.78);
  letter-spacing: 0.01em;
}

.toggle__input:focus-visible + .toggle__ui {
  outline: 2px solid rgba(160, 240, 255, 0.55);
  outline-offset: 2px;
}

.toggle__input:checked + .toggle__ui {
  background: rgba(152, 245, 255, 0.22);
  border-color: rgba(152, 245, 255, 0.32);
}

.toggle__input:checked + .toggle__ui::after {
  transform: translateX(16px);
  background: rgba(196, 255, 249, 0.98);
}