body {
  background: #161616;
  margin: 0;
  min-height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: Consolas, monospace;
}

#game-container {
  position: relative;
  width: 800px;
  display: block;
}

#scoreboard {
  width: 100%;
  text-align: center;
  font-size: 52px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 22px;
  font-family: Consolas, monospace;
  letter-spacing: 2px;
}

canvas#pong {
  display: block;
  background: #232323;
  border: 2px solid #fff;
  border-radius: 8px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.85);
}

#pause-hint {
  margin-top: 16px;
  width: 800px;
  text-align: center;
  font-size: 18px;
  color: #ccc;
  font-family: Consolas, monospace;
  letter-spacing: 1px;
  user-select: none;
}

#settings-panel {
  position: fixed;
  top: 20px;
  right: 24px;
  background: #101010;
  border-radius: 8px;
  padding: 14px 18px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.45);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 290px;
  font-family: Consolas, monospace;
}

.setting {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 15px;
  font-family: Consolas, monospace;
}

.setting label {
  justify-self: start;
  min-width: 110px;
  text-align: left;
  font-family: Consolas, monospace;
}

.setting .input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: Consolas, monospace;
}

.setting input[type=range] {
  accent-color: #555;
  width: 120px;
  background: transparent;
  font-family: Consolas, monospace;
}

.setting span {
  display: inline-block;
  min-width: 22px;
  text-align: right;
  font-family: Consolas, monospace;
}

#settings-panel,
.setting label,
.setting span {
  color: #fff;
  font-family: Consolas, monospace;
}

a.github-btn {
  position: fixed;
  bottom: 1em;
  right: 1em;
  width: 3em;
  height: 3em;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #181717;
  box-shadow: 0 2px 8px rgba(0,0,0,0.45);
  transition: background 0.2s, transform 0.2s;
  z-index: 999;
}
a.github-btn:hover {
  background: #24292f;
  transform: scale(1.15);
}
a.github-btn svg {
  transition: transform 0.2s;
}
a.github-btn:hover svg {
  transform: scale(1.25) rotate(-10deg);
}