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

:root {
  --bg: #0f1419;
  --panel: #1c2530;
  --accent: #4ade80;
  --accent-dark: #22c55e;
  --text: #e5e7eb;
  --muted: #94a3b8;
}

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.game {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.topbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

h1 {
  font-size: 1.8rem;
  letter-spacing: 1px;
}

.mute-btn {
  position: absolute;
  right: 0;
  background: var(--panel);
  color: var(--text);
  font-size: 1.2rem;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  line-height: 1;
}

.mute-btn.muted {
  opacity: 0.5;
}

.effects {
  width: 100%;
  min-height: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.effect-chip {
  background: var(--panel);
  border: 1px solid var(--accent-dark);
  color: var(--text);
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend {
  width: 100%;
  background: var(--panel);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.85rem;
}

.legend summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 600;
}

.legend ul {
  list-style: none;
  margin-top: 8px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.legend li {
  color: var(--text);
}

.scoreboard {
  display: flex;
  gap: 12px;
  width: 100%;
}

.score-box {
  flex: 1;
  background: var(--panel);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.score-box .label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.score-box span:last-child {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.canvas-wrap {
  position: relative;
  width: 100%;
  /* in der Höhe begrenzen, damit das Feld auch quer/auf kleinen Screens passt */
  max-width: min(600px, 88vh);
  aspect-ratio: 1 / 1;
}

canvas {
  width: 100%;
  height: 100%;
  background: #131b24;
  border: 2px solid var(--panel);
  border-radius: 12px;
  display: block;
  image-rendering: pixelated;
  touch-action: none; /* Wischgesten steuern das Spiel, kein Scrollen/Zoomen */
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 20, 25, 0.85);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  transition: opacity 0.2s ease;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.overlay-content {
  width: 100%;
  max-height: 100%;
  overflow-y: auto;
}

.overlay-content h2 {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.overlay-content p {
  color: var(--muted);
  margin-bottom: 18px;
  line-height: 1.4;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  touch-action: manipulation; /* kein Doppeltipp-Zoom / 300ms-Verzögerung */
}

.name-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  margin-bottom: 16px;
}

.name-row label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

#name-input {
  font-family: inherit;
  font-size: 1rem;
  text-align: center;
  padding: 10px 14px;
  width: 220px;
  max-width: 80vw;
  color: var(--text);
  background: #0f1620;
  border: 2px solid var(--accent-dark);
  border-radius: 10px;
  outline: none;
}

#name-input:focus {
  border-color: var(--accent);
}

.leaderboard {
  width: 100%;
  margin-bottom: 16px;
}

.leaderboard h3 {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.leaderboard ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: rank;
}

.leaderboard li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.leaderboard li::before {
  counter-increment: rank;
  content: counter(rank) ".";
  color: var(--muted);
  min-width: 22px;
  text-align: right;
}

.leaderboard li .lb-name {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard li .lb-score {
  color: var(--accent);
  font-weight: 700;
}

.leaderboard li.current {
  background: rgba(74, 222, 128, 0.18);
}

.leaderboard .empty {
  color: var(--muted);
  font-size: 0.85rem;
}

#action-btn {
  background: var(--accent);
  color: #06210f;
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 10px;
  transition: background 0.15s ease;
}

#action-btn:hover {
  background: var(--accent-dark);
}

.touch-controls {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.touch-row {
  display: flex;
  gap: 8px;
}

.touch-btn {
  width: 64px;
  height: 64px;
  font-size: 1.5rem;
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.touch-btn:active {
  background: var(--accent);
  color: #06210f;
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

/* Touch-Steuerung nur auf Geräten mit Touch zeigen */
@media (hover: none) and (pointer: coarse) {
  .touch-controls {
    display: flex;
  }
  .hint {
    display: none;
  }
}

/* Kompaktes Layout für schmale Bildschirme (Smartphones) */
@media (max-width: 640px) {
  body {
    padding: 8px;
    align-items: flex-start;
  }
  .game {
    gap: 10px;
  }
  h1 {
    font-size: 1.4rem;
  }
  .mute-btn {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }
  .scoreboard {
    gap: 6px;
  }
  .score-box {
    padding: 6px 4px;
    border-radius: 8px;
  }
  .score-box .label {
    font-size: 0.58rem;
    letter-spacing: 0.5px;
  }
  .score-box span:last-child {
    font-size: 1.1rem;
  }
  .overlay {
    padding: 12px;
  }
  .overlay-content h2 {
    font-size: 1.25rem;
  }
  .overlay-content p {
    font-size: 0.82rem;
    margin-bottom: 12px;
  }
  .name-row {
    margin-bottom: 12px;
  }
  #name-input {
    width: 100%;
  }
  .leaderboard {
    margin-bottom: 12px;
  }
  .leaderboard li {
    font-size: 0.8rem;
    padding: 4px 8px;
  }
  #action-btn {
    padding: 11px 24px;
  }
}

/* Sehr schmale Geräte: Touch-Tasten etwas kleiner */
@media (max-width: 360px) {
  .touch-btn {
    width: 56px;
    height: 56px;
    font-size: 1.3rem;
  }
}

/* Querformat auf flachen Touch-Geräten: Touch-Tasten kompakter */
@media (orientation: landscape) and (max-height: 480px) and (pointer: coarse) {
  .touch-btn {
    width: 52px;
    height: 52px;
    font-size: 1.2rem;
  }
  .game {
    gap: 8px;
  }
}