:root {
  color-scheme: dark;
  --bg: #101213;
  --panel: #171b1b;
  --panel-strong: #202828;
  --line: rgba(239, 235, 214, 0.16);
  --text: #f1ead2;
  --muted: #aeb8ad;
  --cyan: #58c7b7;
  --gold: #f0b95b;
  --red: #ef6158;
  --violet: #8c7ae6;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(88, 199, 183, 0.16), transparent 34rem),
    linear-gradient(135deg, #0e1112 0%, #161718 54%, #111514 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  border: 1px solid rgba(241, 234, 210, 0.2);
  background: #222828;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

button:hover,
button:focus-visible {
  border-color: rgba(240, 185, 91, 0.8);
  outline: none;
}

.game-shell {
  width: min(1180px, calc(100vw - 24px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
}

.hud {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 16px;
  align-items: stretch;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(20, 24, 24, 0.86);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.briefing {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(1.05rem, 1rem + 0.55vw, 1.55rem);
  line-height: 1.15;
}

#statusText {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.35;
}

.meters {
  display: grid;
  grid-template-columns: repeat(5, minmax(70px, 1fr)) auto auto;
  gap: 8px;
  align-items: stretch;
}

.meters span,
.meters button {
  min-height: 58px;
  border-radius: 7px;
}

.meters span {
  display: grid;
  place-items: center;
  padding: 6px 8px;
  border: 1px solid rgba(241, 234, 210, 0.12);
  background: rgba(255, 255, 255, 0.045);
  text-align: center;
}

.meters b {
  display: block;
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1;
}

.meters small {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.meters button {
  min-width: 76px;
  padding: 0 14px;
  font-weight: 800;
}

#nextButton[hidden] {
  display: none;
}

.arena-panel {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 12px;
  align-items: center;
}

#gameCanvas {
  width: 100%;
  height: min(72vh, calc((100vw - 132px) * 0.818));
  min-height: 420px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0e1112;
  touch-action: none;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.touch-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  width: 72px;
  height: 216px;
  gap: 6px;
}

.touch-pad button {
  min-width: 0;
  min-height: 0;
  border-radius: 7px;
  color: var(--cyan);
  font-size: 1rem;
  font-weight: 900;
}

.touch-pad [data-dir="up"] {
  grid-column: 2;
  grid-row: 1;
}

.touch-pad [data-dir="left"] {
  grid-column: 1;
  grid-row: 2;
}

.touch-pad [data-dir="down"] {
  grid-column: 2;
  grid-row: 3;
}

.touch-pad [data-dir="right"] {
  grid-column: 3;
  grid-row: 2;
}

@media (max-width: 880px) {
  .game-shell {
    width: min(100vw - 16px, 680px);
    padding: 8px 0;
  }

  .hud {
    grid-template-columns: 1fr;
  }

  .meters {
    grid-template-columns: repeat(3, minmax(70px, 1fr));
  }

  .meters button {
    min-height: 48px;
  }

  .arena-panel {
    grid-template-columns: 1fr;
  }

  #gameCanvas {
    height: min(62vh, calc((100vw - 16px) * 0.9));
    min-height: 340px;
  }

  .touch-pad {
    justify-self: center;
    grid-template-columns: repeat(3, 56px);
    grid-template-rows: repeat(3, 42px);
    width: auto;
    height: auto;
  }
}

@media (max-width: 520px) {
  .meters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  h1 {
    font-size: 1rem;
  }

  #statusText {
    font-size: 0.86rem;
  }

  #gameCanvas {
    min-height: 300px;
  }
}