:root {
  color-scheme: dark;
  --bg: #090d08;
  --panel: rgba(26, 18, 12, 0.84);
  --panel-2: rgba(48, 28, 16, 0.92);
  --screen: #120d08;
  --line: rgba(255, 144, 71, 0.22);
  --line-strong: rgba(255, 181, 112, 0.4);
  --text: #ffcf8f;
  --muted: #b38a60;
  --glow: #ff8a3d;
  --bolt: #ff6d3a;
  --pulse: #ffd166;
  --focus: #ff3d2e;
  --green: #9fef9d;
  --shadow: 0 0 0 1px rgba(255, 161, 89, 0.16), 0 22px 80px rgba(0, 0, 0, 0.58);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "IBM Plex Mono", monospace;
  background:
    radial-gradient(circle at top, rgba(255, 116, 51, 0.16), transparent 24%),
    linear-gradient(180deg, #15110b 0%, #080b08 56%, #050605 100%);
  color: var(--text);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background:
    repeating-linear-gradient(
      180deg,
      rgba(255, 156, 83, 0.03) 0,
      rgba(255, 156, 83, 0.03) 1px,
      transparent 1px,
      transparent 4px
    );
  mix-blend-mode: screen;
}

body::after {
  background: radial-gradient(circle at center, transparent 45%, rgba(0, 0, 0, 0.52) 100%);
}

.app-shell {
  width: min(100%, 34rem);
  margin: 0 auto;
  min-height: 100vh;
  padding: max(1rem, env(safe-area-inset-top)) 1rem max(1rem, env(safe-area-inset-bottom));
  display: grid;
  gap: 0.9rem;
}

.hud-card,
.controls-card,
.game-card {
  position: relative;
  background: linear-gradient(180deg, rgba(48, 28, 16, 0.95), rgba(21, 14, 10, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hud-card::before,
.controls-card::before,
.game-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 196, 128, 0.08);
  pointer-events: none;
}

.hud-card {
  border-radius: 0.8rem;
  padding: 1rem;
  display: grid;
  gap: 0.8rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.66rem;
  color: var(--muted);
}

h1,
h2,
p,
ul {
  margin: 0;
}

h1 {
  font-size: clamp(1.8rem, 7vw, 2.5rem);
  letter-spacing: 0.08em;
  text-shadow: 0 0 12px rgba(255, 117, 48, 0.3);
}

h2 {
  font-size: clamp(1.7rem, 6vw, 2.3rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}

.stat-pill {
  min-height: 4rem;
  border-radius: 0.45rem;
  padding: 0.65rem 0.75rem;
  background:
    linear-gradient(180deg, rgba(255, 158, 89, 0.09), rgba(255, 158, 89, 0.04)),
    rgba(11, 10, 8, 0.72);
  border: 1px solid var(--line);
  display: grid;
  align-content: center;
  gap: 0.12rem;
}

.stat-pill span {
  font-size: 0.62rem;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-pill strong {
  font-size: 1.1rem;
  color: var(--green);
  text-shadow: 0 0 10px rgba(159, 239, 157, 0.28);
}

.game-card {
  border-radius: 1rem;
  padding: 0.6rem;
  overflow: hidden;
}

.canvas-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 14;
  border-radius: 0.7rem;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(255, 111, 55, 0.12), transparent 36%),
    linear-gradient(180deg, #160f0b 0%, #0c0b08 100%);
  border: 1px solid rgba(255, 151, 77, 0.22);
}

.canvas-frame canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  filter: saturate(1.08) contrast(1.06);
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.3rem;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.24), rgba(10, 8, 7, 0.82));
  transition: opacity 180ms ease, visibility 180ms ease;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.overlay-panel {
  width: min(100%, 24rem);
  padding: 1.2rem;
  border-radius: 0.7rem;
  background:
    linear-gradient(180deg, rgba(56, 31, 17, 0.96), rgba(21, 15, 10, 0.96));
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 30px rgba(255, 112, 48, 0.18);
  display: grid;
  gap: 0.9rem;
}

.overlay-panel p,
.overlay-panel li {
  color: var(--muted);
  line-height: 1.45;
}

.overlay-panel ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.dot {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin-right: 0.55rem;
  transform: translateY(1px);
}

.dot-bolt {
  background: var(--bolt);
  box-shadow: 0 0 12px rgba(255, 109, 58, 0.45);
}

.dot-pulse {
  background: var(--pulse);
  box-shadow: 0 0 12px rgba(255, 209, 102, 0.4);
}

.dot-focus {
  background: var(--focus);
  box-shadow: 0 0 12px rgba(255, 61, 46, 0.45);
}

button {
  border: 0;
  font: inherit;
  color: inherit;
}

#startButton,
.tower-chip {
  cursor: pointer;
}

#startButton {
  padding: 0.95rem 1rem;
  border-radius: 0.45rem;
  background:
    linear-gradient(180deg, rgba(255, 132, 67, 0.32), rgba(255, 92, 38, 0.16)),
    rgba(17, 12, 9, 0.92);
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.controls-card {
  border-radius: 0.8rem;
  padding: 0.75rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.tower-chip {
  min-height: 4.25rem;
  border-radius: 0.5rem;
  background:
    linear-gradient(180deg, rgba(255, 148, 82, 0.08), rgba(255, 148, 82, 0.02)),
    rgba(11, 10, 8, 0.76);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  gap: 0.12rem;
  padding: 0.65rem 0.4rem;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.tower-chip span {
  font-size: 0.78rem;
  text-transform: uppercase;
}

.tower-chip strong {
  font-size: 1rem;
  color: var(--green);
}

.tower-chip.active {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: inset 0 0 20px rgba(255, 111, 55, 0.08), 0 0 16px rgba(255, 111, 55, 0.1);
}

.tower-chip.ghost {
  color: var(--muted);
}

@media (min-width: 720px) {
  .app-shell {
    width: min(100%, 38rem);
    padding-top: 1.2rem;
  }

  .hud-card {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}