@import url("https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap");

:root {
  --bg: #000000;
  --panel: #050505;
  --accent: #42ff42;
  --accent-2: #42ff42;
  --text: #ffffff;
  --muted: #9aa0a6;
  --danger: #ff6a6a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Press Start 2P", "VT323", "Courier New", monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px;
}

.shell {
  width: min(900px, 100%);
  display: grid;
  gap: 16px;
  max-height: 100vh;
}

.hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  padding: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
}

.hud .label {
  color: var(--text);
  display: inline-block;
  margin-right: 10px;
}

.hud .value {
  color: var(--accent);
}

.lives {
  display: flex;
  align-items: center;
  gap: 8px;
}

.life-icon {
  width: 18px;
  height: 12px;
  background: var(--accent);
  position: relative;
}

.life-icon::before {
  content: "";
  position: absolute;
  left: 6px;
  top: -4px;
  width: 6px;
  height: 4px;
  background: var(--accent);
}

#game {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid #101010;
  max-height: 70vh;
  background: #000000;
}

.panel {
  background: transparent;
  border: 2px solid #101010;
  padding: 12px 16px;
  display: grid;
  gap: 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.panel .controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.panel button {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--accent-2);
  padding: 10px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.panel button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(124, 255, 155, 0.2) inset;
}

.panel button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(66, 255, 66, 0.3);
}

.panel button:active {
  transform: translateY(0);
}

.panel p {
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 700px) {
  .hud {
    flex-direction: column;
    gap: 8px;
  }

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

  .panel {
    font-size: 10px;
  }
}

@media (max-height: 860px) {
  #game {
    max-height: 62vh;
  }

  .hud,
  .panel {
    padding: 12px 16px;
  }
}