:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #0f1721;
  --panel-2: #1a2432;
  --text: #e9eef3;
  --muted: #96a8ba;
  --accent: #28f4b4;
  --gold: #ffd24c;
  --danger: #ff3864;
  --blue: #4db2ff;
  --violet: #b66cff;
  --orange: #ff9f1c;
  --magenta: #ff4fd8;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  height: 100%;
  min-height: 100%;
  overscroll-behavior: none;
}

body {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(40, 244, 180, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 159, 28, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 18% 14%, rgba(40, 244, 180, 0.18), transparent 30%),
    radial-gradient(circle at 82% 9%, rgba(255, 79, 216, 0.16), transparent 24%),
    radial-gradient(circle at 58% 96%, rgba(255, 159, 28, 0.12), transparent 31%),
    linear-gradient(145deg, #020409, #0b111c 48%, #03050a);
  background-size: 42px 42px, 42px 42px, auto, auto, auto, auto;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  touch-action: none;
}

button {
  border: 0;
  border-radius: 10px;
  min-height: 44px;
  padding: 0 18px;
  color: #04100d;
  background: var(--accent);
  font: 800 15px/1 Inter, "Segoe UI", sans-serif;
  cursor: pointer;
}

button.secondary {
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.app {
  width: min(100vw, var(--app-width, 100vw));
  max-width: 100vw;
  height: min(100dvh, var(--app-height, 100dvh));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 4px;
  padding:
    max(4px, env(safe-area-inset-top))
    max(4px, env(safe-area-inset-right))
    max(4px, env(safe-area-inset-bottom))
    max(4px, env(safe-area-inset-left));
  overflow: hidden;
}

.hud {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px;
  min-height: 0;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  overflow: hidden;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  min-width: 0;
  max-width: 100%;
  width: auto;
  overflow: hidden;
}

.hud-actions {
  display: grid;
  grid-template-columns: repeat(3, 32px);
  gap: 5px;
  align-items: center;
  justify-self: end;
}

.stats div {
  display: grid;
  align-content: center;
  min-height: 28px;
  min-width: 0;
  padding: 3px 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(17, 25, 35, 0.82);
}

.stats span {
  color: var(--muted);
  font-size: 9px;
}

.stats strong {
  margin-top: 2px;
  color: var(--text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.arena-shell {
  position: relative;
  align-self: center;
  justify-self: center;
  width: min(100%, calc(var(--app-width, 100vw) - 8px), calc((var(--app-height, 100dvh) - 38px) * 0.703));
  max-width: 680px;
  max-height: 100%;
  aspect-ratio: 900 / 1280;
  overflow: hidden;
  border: 1px solid rgba(40, 244, 180, 0.3);
  border-radius: 10px;
  background: #04080f;
  box-shadow:
    0 22px 80px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(255, 159, 28, 0.08),
    0 0 34px rgba(40, 244, 180, 0.2),
    0 0 72px rgba(255, 79, 216, 0.08);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.fullscreen-button.is-active,
.media-button.is-active {
  border-color: rgba(40, 244, 180, 0.58);
  box-shadow: 0 0 22px rgba(40, 244, 180, 0.2);
}

:fullscreen .app {
  height: 100vh;
  width: 100vw;
}

:fullscreen .arena-shell {
  max-width: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(5, 7, 11, 0.74);
  backdrop-filter: blur(8px);
}

.overlay[hidden] {
  display: none;
}

.dialog {
  width: min(430px, calc(100% - 14px));
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(17, 25, 35, 0.95);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.4);
}

.dialog h2 {
  display: none;
}

.dialog p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.power-legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 0 0 14px;
}

.power-legend[hidden] {
  display: none;
}

.control-legend {
  display: grid;
  gap: 3px;
  margin: -4px 0 14px;
  padding: 8px 9px;
  border: 1px solid rgba(40, 244, 180, 0.14);
  border-radius: 8px;
  background: rgba(7, 13, 22, 0.56);
}

.control-legend[hidden] {
  display: none;
}

.control-legend strong {
  color: var(--text);
  font-size: 11px;
  line-height: 1.05;
}

.control-legend span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.2;
}

.power-card {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 7px;
  align-items: center;
  min-width: 0;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(7, 13, 22, 0.68);
}

.power-card span {
  grid-row: 1 / 3;
  width: 22px;
  height: 22px;
  background: var(--power-color);
  box-shadow: 0 0 14px var(--power-color);
}

.power-card strong {
  min-width: 0;
  color: var(--text);
  font-size: 11px;
  line-height: 1.05;
}

.power-card em {
  min-width: 0;
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
  line-height: 1.15;
}

.power-card[data-power="shield"] { --power-color: #4db2ff; }
.power-card[data-power="shield"] span { clip-path: polygon(50% 0, 88% 18%, 78% 82%, 50% 100%, 22% 82%, 12% 18%); }
.power-card[data-power="slow"] { --power-color: #28f4b4; }
.power-card[data-power="slow"] span { clip-path: polygon(12% 0, 88% 0, 58% 50%, 88% 100%, 12% 100%, 42% 50%); }
.power-card[data-power="boost"] { --power-color: #ffd24c; }
.power-card[data-power="boost"] span { clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.power-card[data-power="pulse"] { --power-color: #ff4fd8; }
.power-card[data-power="pulse"] span { border-radius: 50%; background: radial-gradient(circle, transparent 34%, var(--power-color) 38% 58%, transparent 62%); }
.power-card[data-power="freeze"] { --power-color: #9be7ff; }
.power-card[data-power="freeze"] span { clip-path: polygon(50% 0, 62% 34%, 100% 20%, 72% 50%, 100% 80%, 62% 66%, 50% 100%, 38% 66%, 0 80%, 28% 50%, 0 20%, 38% 34%); }
.power-card[data-power="life"] { --power-color: #ff3864; }
.power-card[data-power="life"] span { clip-path: polygon(38% 0, 62% 0, 62% 36%, 100% 36%, 100% 64%, 62% 64%, 62% 100%, 38% 100%, 38% 64%, 0 64%, 0 36%, 38% 36%); }

.actions {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

.utility-button {
  align-self: center;
  min-height: 34px;
  width: 32px;
  padding: 0;
  color: var(--text);
  background: rgba(10, 16, 27, 0.9);
  border: 1px solid rgba(255, 159, 28, 0.18);
  font-size: 16px;
}

.pause-button {
  font-size: 12px;
}

.media-button {
  font-size: 17px;
}

.fullscreen-button {
  font-size: 17px;
}

.utility-button:active {
  background: rgba(40, 244, 180, 0.22);
  border-color: rgba(40, 244, 180, 0.56);
  box-shadow: 0 0 24px rgba(40, 244, 180, 0.16), inset 0 1px rgba(255, 255, 255, 0.08);
}

@media (orientation: landscape) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 4px;
  }

  .stats {
    min-width: 0;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .arena-shell {
    width: min(100%, calc(var(--app-width, 100vw) - 8px), calc((var(--app-height, 100dvh) - 38px) * 0.703));
    max-height: 100%;
  }
}

@media (max-width: 480px) {
  .arena-shell {
    justify-self: start;
  }

  .hud {
    grid-template-columns: minmax(0, calc(100% - 86px)) auto;
    gap: 4px;
  }

  .stats {
    gap: 2px;
  }

  .stats div {
    padding: 2px 3px;
  }

  .stats span {
    font-size: 8px;
  }

  .stats strong {
    font-size: 11px;
  }

  .utility-button {
    width: 26px;
    min-height: 28px;
    font-size: 14px;
  }

  .hud-actions {
    grid-template-columns: repeat(3, 26px);
    gap: 3px;
  }

  .dialog {
    padding: 13px;
  }

  .power-legend {
    gap: 5px;
  }

  .power-card {
    padding: 6px;
    grid-template-columns: 20px minmax(0, 1fr);
  }

  .power-card span {
    width: 19px;
    height: 19px;
  }

  .power-card strong {
    font-size: 10px;
  }

  .power-card em {
    font-size: 9px;
  }
}