:root {
  color-scheme: dark;
  --panel: rgba(7, 12, 25, 0.84);
  --line: rgba(94, 234, 212, 0.38);
  --text: #eef8ff;
  --muted: #9eb1c7;
  --cyan: #35f0dc;
  --gold: #ffd166;
  --red: #ff5263;
  --green: #73f59f;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(53, 240, 220, 0.12), transparent 30%),
    linear-gradient(180deg, #030714 0%, #07111f 62%, #10261f 100%);
  color: var(--text);
  font-family: Consolas, "Courier New", monospace;
}

button,
input,
textarea {
  font: inherit;
}

.app,
.screen,
.overlay {
  position: fixed;
  inset: 0;
}

.hidden {
  display: none !important;
}

.menu {
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: auto;
}

.menu__inner {
  width: min(680px, 100%);
  border: 2px solid var(--line);
  border-radius: 8px;
  padding: clamp(20px, 4vw, 34px);
  background: var(--panel);
  box-shadow: 0 0 0 1px rgba(53, 240, 220, 0.16), 0 24px 80px rgba(0, 0, 0, 0.42);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: var(--green);
  font-size: clamp(34px, 8vw, 58px);
  line-height: 0.96;
  text-align: center;
  text-shadow: 0 0 18px rgba(115, 245, 159, 0.52);
}

.subtitle {
  margin: 12px auto 24px;
  max-width: 48ch;
  color: var(--muted);
  line-height: 1.45;
  text-align: center;
}

.settings {
  display: grid;
  gap: 16px;
}

fieldset,
.slider-row,
.custom-row {
  border: 1px solid rgba(158, 177, 199, 0.28);
  border-radius: 8px;
  background: rgba(3, 7, 20, 0.72);
  padding: 14px;
}

fieldset {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 22px;
  margin: 0;
}

legend,
.slider-row > span,
.custom-row > span {
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

label {
  color: var(--text);
}

input[type="radio"] {
  accent-color: var(--cyan);
}

.slider-row,
.custom-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: center;
  gap: 12px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--cyan);
}

textarea {
  grid-column: 2 / 4;
  min-height: 86px;
  resize: vertical;
  color: var(--text);
  background: #030714;
  border: 1px solid rgba(158, 177, 199, 0.34);
  border-radius: 6px;
  padding: 10px;
}

.primary {
  display: block;
  width: min(260px, 100%);
  min-height: 52px;
  margin: 24px auto 0;
  border: 2px solid rgba(115, 245, 159, 0.78);
  border-radius: 6px;
  color: #00130c;
  background: linear-gradient(180deg, #9cffb9, #42d875);
  box-shadow: 0 0 24px rgba(115, 245, 159, 0.28);
  cursor: pointer;
  font-weight: 900;
  text-transform: uppercase;
}

.primary:hover,
.primary:focus-visible {
  filter: brightness(1.08);
}

.game {
  background: transparent;
}

.hud {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  right: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  pointer-events: none;
}

.hud > div {
  min-height: 48px;
  border: 1px solid rgba(53, 240, 220, 0.24);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.48);
  padding: 6px 10px;
}

.hud > div:nth-child(2) {
  text-align: center;
}

.hud > div:nth-child(3) {
  text-align: right;
}

.hud-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.hud strong {
  color: var(--gold);
  font-size: clamp(18px, 4vw, 25px);
}

#field {
  display: block;
  width: 100vw;
  height: 100vh;
}

.typing-readout {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 86px;
  min-width: 80px;
  min-height: 38px;
  transform: translateX(-50%);
  border: 1px solid rgba(115, 245, 159, 0.45);
  border-radius: 6px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.58);
  color: var(--green);
  text-align: center;
  text-shadow: 0 0 12px rgba(115, 245, 159, 0.5);
}

.typing-readout:empty {
  display: none;
}

.overlay {
  z-index: 5;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.82);
}

.overlay__panel {
  width: min(420px, 100%);
  border: 2px solid rgba(255, 82, 99, 0.62);
  border-radius: 8px;
  padding: 28px;
  background: rgba(7, 12, 25, 0.96);
  text-align: center;
}

.overlay h2 {
  color: var(--red);
  font-size: clamp(34px, 8vw, 48px);
  text-shadow: 0 0 18px rgba(255, 82, 99, 0.5);
}

.overlay p {
  margin-top: 12px;
  color: var(--muted);
}

@media (max-width: 560px) {
  .slider-row,
  .custom-row {
    grid-template-columns: 1fr auto;
  }

  .slider-row input,
  textarea {
    grid-column: 1 / 3;
  }

  .hud {
    grid-template-columns: repeat(3, 1fr);
  }

  .hud > div {
    padding: 5px 7px;
  }
}