:root {
  color-scheme: dark;
  font-family: "Courier New", Courier, monospace;
  background: #050712;
  color: #f6fbff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 15%, rgba(28, 201, 255, 0.2), transparent 26%),
    radial-gradient(circle at 80% 10%, rgba(255, 82, 168, 0.18), transparent 24%),
    linear-gradient(180deg, #050712 0%, #0b1024 60%, #090a12 100%);
}

button {
  min-height: 44px;
  border: 2px solid #55e6ff;
  border-radius: 6px;
  padding: 10px 16px;
  background: #101833;
  color: #f6fbff;
  font: 700 15px/1 "Courier New", monospace;
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(85, 230, 255, 0.08);
}

button:hover,
button:focus-visible {
  background: #172550;
  outline: 2px solid #ffe66d;
  outline-offset: 2px;
}

button.primary {
  background: #1fb577;
  border-color: #8dffcf;
  color: #04130e;
}

button.danger {
  border-color: #ff6b8b;
  background: #4f1022;
}

.app {
  min-height: 100vh;
}

.screen {
  display: none;
  min-height: 100vh;
  padding: 32px;
}

.screen.active {
  display: grid;
  place-items: center;
}

.brand {
  max-width: 780px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: #8dffcf;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0 0 18px;
  color: #ffe66d;
  text-shadow: 4px 4px 0 #101833;
}

h1 {
  font-size: clamp(42px, 10vw, 96px);
}

h2 {
  font-size: 32px;
}

.lede {
  margin: 0 auto 28px;
  max-width: 660px;
  color: #bed7ff;
  font-size: 18px;
  line-height: 1.5;
}

.menu-grid,
.panel {
  display: grid;
  gap: 14px;
  width: min(440px, 100%);
}

.panel {
  padding: 24px;
  border: 2px solid rgba(85, 230, 255, 0.6);
  border-radius: 8px;
  background: rgba(7, 12, 30, 0.86);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.35);
}

.panel.wide {
  width: min(760px, 100%);
}

.game-screen.active {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  padding: 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 10px;
  border: 2px solid rgba(85, 230, 255, 0.35);
  border-radius: 8px;
  background: rgba(5, 9, 24, 0.82);
}

.hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: #dff7ff;
  font-size: 15px;
  flex: 1 1 680px;
}

.hud span {
  white-space: nowrap;
}

.hud-stat {
  display: inline-grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 6px;
  min-height: 36px;
  padding: 6px 9px;
  border: 1px solid rgba(85, 230, 255, 0.28);
  border-radius: 6px;
  background: rgba(16, 24, 51, 0.72);
}

.hud-label {
  color: #8dffcf;
  font-size: 11px;
  text-transform: uppercase;
}

.hud-value {
  color: #f6fbff;
  font-size: 18px;
  font-weight: 700;
}

.score-stat .hud-value {
  color: #ffe66d;
}

.life-stat {
  min-width: 150px;
}

.player-life {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lives-hearts {
  color: #ff6b8b;
  font-size: 24px;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(255, 107, 139, 0.45);
}

.ml-readout {
  flex-basis: 100%;
  color: #8dffcf;
  font-size: 13px;
  padding: 5px 8px;
  border-left: 3px solid #8dffcf;
  background: rgba(141, 255, 207, 0.08);
}

.game-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.game-actions button {
  min-height: 36px;
  padding: 8px 10px;
  font-size: 13px;
}

#game-canvas {
  width: min(100%, 1100px);
  height: auto;
  max-height: calc(100vh - 132px);
  margin: 0 auto;
  display: block;
  border: 3px solid #55e6ff;
  border-radius: 8px;
  background: #050712;
  image-rendering: pixelated;
  box-shadow: 0 0 40px rgba(85, 230, 255, 0.18);
}

.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 5, 12, 0.74);
  text-align: center;
  font-size: 22px;
  line-height: 1.5;
  pointer-events: none;
}

.overlay.hidden {
  display: none;
}

.scores-list,
.stats {
  margin: 0;
  padding-left: 24px;
  color: #dff7ff;
  line-height: 1.7;
}

.stats {
  padding-left: 0;
}

.notice {
  min-height: 22px;
  margin: 0;
  color: #ffcf7a;
}

@media (max-width: 900px) {
  .screen {
    padding: 18px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .hud {
    flex-basis: auto;
  }

  .hud-stat {
    flex: 1 1 130px;
  }

  .game-actions {
    justify-content: space-between;
  }
}