:root {
  --bg-top: #0d1736;
  --bg-bottom: #04060f;
  --ink: #f5f7ff;
  --muted: #aab6d3;
  --accent: #ff7a18;
  --accent-2: #7ef9ff;
  --panel: rgba(8, 12, 24, 0.78);
  --stroke: rgba(255, 255, 255, 0.14);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  background:
    radial-gradient(circle at top, rgba(126, 249, 255, 0.12), transparent 24%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 72%);
}

body {
  overflow-x: hidden;
  overscroll-behavior: none;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 4px 4px;
}

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}

.hero {
  margin-bottom: 24px;
  padding: 24px;
  border: 2px solid var(--stroke);
  background:
    linear-gradient(135deg, rgba(255, 122, 24, 0.22), rgba(126, 249, 255, 0.08)),
    rgba(5, 8, 18, 0.78);
  box-shadow: var(--shadow);
  transform: rotate(-1deg);
}

.eyebrow,
.lead,
.label,
button,
kbd {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow {
  margin: 0 0 10px;
  color: #ffd3ad;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-family: "Black Ops One", cursive;
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  line-height: 0.95;
  text-shadow: 4px 4px 0 var(--accent);
}

.lead {
  max-width: 700px;
  margin: 14px 0 0;
  color: var(--muted);
}

.credit {
  margin: 14px 0 0;
  color: #ffd3ad;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.game-shell {
  display: grid;
  grid-template-columns: minmax(190px, 240px) minmax(320px, 460px) minmax(190px, 240px);
  gap: 18px;
  justify-content: center;
  align-items: start;
}

.panel {
  display: grid;
  gap: 18px;
}

.panel-card,
.track-wrap {
  border: 2px solid var(--stroke);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 18px;
}

.panel-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.85rem;
}

.label {
  font-size: 0.76rem;
  color: #ffd3ad;
}

.track-wrap {
  position: relative;
  padding: 14px;
  touch-action: none;
}

.track-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.utility-button {
  padding: 10px 12px;
  min-height: 44px;
  font-size: 0.82rem;
}

#game {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70vh;
  border: 2px solid rgba(255, 255, 255, 0.12);
  background: #06111f;
}

.mobile-controls {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.drag-hint {
  display: none;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.touch-button {
  min-height: 58px;
  padding: 0;
  font-size: 1.5rem;
  line-height: 1;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.overlay {
  position: absolute;
  inset: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4, 7, 14, 0.5);
  backdrop-filter: blur(4px);
}

.overlay.hidden {
  display: none;
}

.overlay-card {
  padding: 24px;
  text-align: center;
  background: rgba(10, 16, 28, 0.92);
  border: 2px solid var(--stroke);
}

#overlay-status {
  margin: 0 0 14px;
}

button {
  border: 0;
  padding: 14px 18px;
  background: var(--accent);
  color: #101010;
  font: inherit;
  cursor: pointer;
  box-shadow: 6px 6px 0 var(--accent-2);
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--accent-2);
  filter: brightness(1.06);
}

button:active {
  transform: translate(1px, 1px);
  box-shadow: 4px 4px 0 var(--accent-2);
}

.controls-card ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.tip-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

kbd {
  display: inline-block;
  min-width: 34px;
  padding: 6px 8px;
  margin-right: 8px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 980px) {
  .game-shell {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .layout {
    padding: 14px 10px 28px;
  }

  .hero {
    margin-bottom: 16px;
    padding: 16px;
    transform: none;
  }

  h1 {
    font-size: clamp(2.1rem, 12vw, 3.1rem);
    text-shadow: 3px 3px 0 var(--accent);
  }

  .panel {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .panel-card,
  .track-wrap {
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.34);
  }

  .panel-card {
    padding: 14px;
  }

  .panel-card strong {
    font-size: 1.5rem;
  }

  .mobile-controls {
    display: grid;
  }

  .drag-hint {
    display: block;
  }

  .controls-card ul {
    gap: 8px;
    font-size: 0.92rem;
  }

  .tip-card p,
  .lead {
    line-height: 1.5;
  }

  .overlay {
    inset: 8px;
  }

  .overlay-card {
    width: min(100%, 280px);
    padding: 18px;
  }

  button {
    width: 100%;
  }

  .track-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}