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

body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: #00ff00;
  padding: 10px;
}

.container {
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid #00ff00;
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
  max-width: 850px;
  width: 100%;
  max-height: 98vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid #00ff00;
}

h1 {
  font-size: 2.5em;
  text-shadow: 0 0 10px #00ff00;
  letter-spacing: 2px;
}

.stats {
  display: flex;
  gap: 20px;
  font-size: 1.2em;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.stat .label {
  font-size: 0.9em;
  opacity: 0.8;
  margin-bottom: 5px;
}

.stat span:last-child {
  font-size: 1.5em;
  font-weight: bold;
  color: #00ff00;
  text-shadow: 0 0 5px #00ff00;
}

.score-breakdown {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.65em;
  margin-top: 5px;
  opacity: 0.7;
}

.score-detail {
  white-space: nowrap;
  font-weight: normal;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  background: #0a0a0a;
  border: 2px solid #00ff00;
  margin: 8px 0;
  cursor: crosshair;
  aspect-ratio: 4 / 3;
  max-height: 350px;
  flex-shrink: 0;
}

.controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 10px 0;
  flex-wrap: wrap;
}

.btn {
  padding: 8px 15px;
  font-size: 0.9em;
  border: 2px solid #00ff00;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
  text-transform: uppercase;
  flex: 1;
  min-width: 100px;
}

.btn-primary {
  background: #00ff00;
  color: #000;
}

.btn-primary:hover {
  background: #00cc00;
  box-shadow: 0 0 10px #00ff00;
  transform: scale(1.05);
}

.btn-secondary {
  background: transparent;
  color: #00ff00;
}

.btn-secondary:hover {
  background: rgba(0, 255, 0, 0.2);
  box-shadow: 0 0 10px #00ff00;
}

.instructions {
  text-align: center;
  font-size: 0.9em;
  opacity: 0.7;
  margin-top: 10px;
  border-top: 1px solid #00ff00;
  padding-top: 10px;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 10px;
  overflow-y: auto;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: rgba(0, 0, 0, 0.95);
  border: 3px solid #00ff00;
  border-radius: 10px;
  padding: 15px;
  text-align: center;
  box-shadow: 0 0 30px rgba(0, 255, 0, 0.7);
  max-width: 400px;
  width: 100%;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-content h2 {
  font-size: 2em;
  margin: 0 0 5px 0;
  color: #00ff00;
  text-shadow: 0 0 10px #00ff00;
  flex-shrink: 0;
}

.modal-content p {
  font-size: 1em;
  margin: 2px 0;
  color: #00ff00;
  flex-shrink: 0;
  line-height: 1.3;
}

#gameOverScreen .modal-content p {
  margin: 1px 0;
  font-size: 0.95em;
  line-height: 1.2;
}

.modal-content > .leaderboard-container {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.modal-content > .btn {
  flex-shrink: 0;
  margin-top: auto;
}

.modal-content h2 {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: #00ff00;
  text-shadow: 0 0 10px #00ff00;
}

.game-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #00ff00;
  line-height: 1.5;
}

.player-name-input {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.player-name-input label {
  font-size: 1.1em;
  color: #00ff00;
}

.player-name-input input {
  padding: 10px 15px;
  font-size: 1em;
  border: 2px solid #00ff00;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.5);
  color: #00ff00;
  text-align: center;
  width: 100%;
  max-width: 250px;
  transition: all 0.3s ease;
}

.player-name-input input:focus {
  outline: none;
  background: rgba(0, 255, 0, 0.1);
  box-shadow: 0 0 10px #00ff00;
}

.player-name-input input::placeholder {
  color: rgba(0, 255, 0, 0.5);
}

.leaderboard-container {
  margin: 15px 0;
  background: rgba(0, 255, 0, 0.05);
  border: 1px solid #00ff00;
  border-radius: 5px;
  padding: 12px;
  max-height: 200px;
  overflow-y: auto;
  flex-shrink: 0;
}

.leaderboard-container h3 {
  font-size: 1.1em;
  margin-bottom: 15px;
  color: #00ff00;
  text-align: center;
  border-bottom: 1px solid #00ff00;
  padding-bottom: 10px;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.leaderboard-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: rgba(0, 255, 0, 0.1);
  border-radius: 3px;
  font-size: 0.95em;
}

.leaderboard-entry.highlight {
  background: rgba(0, 255, 0, 0.25);
  border: 1px solid #00ff00;
}

.leaderboard-rank {
  font-weight: bold;
  color: #00ff00;
  min-width: 30px;
}

.leaderboard-name {
  flex: 1;
  margin: 0 10px;
  color: #00ff00;
  word-break: break-word;
}

.leaderboard-score {
  font-weight: bold;
  color: #00ff00;
  text-align: right;
  min-width: 70px;
}

.leaderboard-level {
  color: #00ff00;
  text-align: center;
  min-width: 50px;
  font-size: 0.9em;
}

.leaderboard-duration {
  color: #00ff00;
  text-align: center;
  min-width: 65px;
  font-size: 0.9em;
}

.no-scores {
  text-align: center;
  color: rgba(0, 255, 0, 0.7);
  padding: 15px;
  font-style: italic;
}

#congratsMessage {
  text-align: center;
  color: #00ff00;
  font-weight: bold;
  font-size: 1.1em;
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid rgba(0, 255, 0, 0.5);
  border-radius: 5px;
  background: rgba(0, 255, 0, 0.1);
}

.celebration-message {
  text-align: center;
  color: #ffff00;
  font-weight: bold;
  font-size: 1.2em;
  margin-bottom: 10px;
  text-shadow: 0 0 10px rgba(255, 255, 0, 0.5);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.leaderboard-entry.top-score {
  background: rgba(255, 215, 0, 0.2);
  border: 2px solid #ffff00;
}

.github-link {
  text-align: center;
  margin-top: 15px;
  font-size: 0.75em;
}

.github-link a {
  color: rgba(0, 255, 0, 0.5);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 0, 0.5);
  transition: all 0.3s ease;
}

.github-link a:hover {
  color: rgba(0, 255, 0, 0.8);
  border-bottom-color: rgba(0, 255, 0, 0.8);
}

.modal-content p {
  font-size: 1.2em;
  margin: 15px 0;
  color: #00ff00;
}

.modal-content button {
  margin-top: 20px;
}

.options-list {
  margin: 25px 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.option-item {
  display: flex;
  align-items: center;
  font-size: 1.1em;
  cursor: pointer;
  gap: 10px;
}

.option-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: #00ff00;
}

.option-item span {
  user-select: none;
}

@media (max-width: 600px) {
  body {
    padding: 5px;
  }

  .container {
    padding: 10px;
    border-radius: 5px;
    max-height: 95vh;
  }

  h1 {
    font-size: 1.5em;
  }

  .header {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 10px;
    padding-bottom: 8px;
  }

  .stats {
    flex-direction: row;
    gap: 10px;
    font-size: 0.95em;
    width: 100%;
    justify-content: space-around;
  }

  .stat {
    flex: 1;
    min-width: 60px;
  }

  .stat span:last-child {
    font-size: 1.2em;
  }

  .score-breakdown {
    font-size: 0.55em;
    gap: 1px;
    margin-top: 3px;
  }

  #gameCanvas {
    max-height: 300px;
    margin: 8px 0;
  }

  .controls {
    gap: 8px;
    margin: 8px 0;
  }

  .btn {
    padding: 6px 10px;
    font-size: 0.75em;
    min-width: 80px;
  }

  .instructions {
    font-size: 0.7em;
    margin-top: 8px;
    padding-top: 8px;
  }

  .modal-content {
    padding: 15px;
    max-width: 95%;
    max-height: 95vh;
    gap: 10px;
  }

  .modal-content h2 {
    font-size: 1.5em;
    margin-bottom: 5px;
  }

  .game-description {
    font-size: 0.85em;
    margin-bottom: 10px;
  }

  .player-name-input {
    margin: 8px 0;
    gap: 5px;
  }

  .player-name-input label {
    font-size: 0.9em;
  }

  .player-name-input input {
    padding: 6px 8px;
    font-size: 0.85em;
    max-width: 180px;
  }

  .leaderboard-container {
    margin: 8px 0;
    padding: 8px;
    max-height: 150px;
    flex-shrink: 1;
    overflow-y: auto;
  }

  .leaderboard-entry {
    padding: 4px 6px;
    font-size: 0.7em;
  }

  .leaderboard-rank {
    min-width: 20px;
  }

  .leaderboard-score {
    min-width: 45px;
  }

  .leaderboard-level {
    min-width: 35px;
    font-size: 0.8em;
  }

  .leaderboard-duration {
    min-width: 50px;
    font-size: 0.8em;
  }

  .option-item {
    font-size: 0.95em;
  }
}