/* Ping Pong Game Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Courier New', monospace;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a3a 100%);
  color: #fff;
  overflow-x: hidden;
  min-height: 100vh;
}

.game-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.game-header {
  text-align: center;
  padding: 1rem;
  animation: fadeIn 1s ease;
}

.game-header h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem 0;
  background: linear-gradient(45deg, #9146ff, #ff6b35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.game-header p {
  font-size: 1.2rem;
  color: #ccc;
  margin-bottom: 1rem;
}

.back-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #9146ff;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: 2px solid #9146ff;
}

.back-button:hover {
  background: transparent;
  color: #9146ff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(145, 70, 255, 0.3);
}

.game-ui {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1rem 0;
  padding: 1rem;
  background: rgba(30, 30, 47, 0.8);
  border-radius: 12px;
  flex-wrap: wrap;
  gap: 1rem;
}

.score-panel {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.score-item {
  text-align: center;
}

.score-label {
  display: block;
  font-size: 0.9rem;
  color: #ccc;
  margin-bottom: 0.25rem;
}

.score-value {
  display: block;
  font-size: 1.5rem;
  font-weight: bold;
  color: #9146ff;
}

.game-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.control-button {
  padding: 0.75rem 1.25rem;
  background: #23234a;
  color: white;
  border: 2px solid #444;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.control-button:hover:not(:disabled) {
  background: #2a2a5a;
  border-color: #666;
  transform: translateY(-1px);
}

.control-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.control-button.start {
  background: #28a745;
  border-color: #28a745;
}

.control-button.start:hover:not(:disabled) {
  background: #218838;
}

/* Game Area */
.game-area {
  position: relative;
  width: 100%;
  height: 600px;
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border: 3px solid #333;
  border-radius: 12px;
  margin: 1rem 0;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.lane {
  position: absolute;
  top: 0;
  width: 20%;
  height: 100%;
  border-right: 2px dashed rgba(255,255,255,0.2);
  transition: background-color 0.2s ease;
}

.lane:nth-child(1) {
  left: 0;
}

.lane:nth-child(2) {
  left: 20%;
}

.lane:nth-child(3) {
  left: 40%;
}

.lane:nth-child(4) {
  left: 60%;
}

.lane:nth-child(5) {
  left: 80%;
  border-right: none;
}

.lane.active {
  background-color: rgba(145, 70, 255, 0.1);
}

.lane-marker {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  font-weight: bold;
}

/* Player */
.player {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  z-index: 10;
}

.player.moving {
  transition: all 0.2s ease;
}

.player-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
  border: 3px solid #9146ff;
  background: rgba(255,255,255,0.1);
  padding: 5px;
}

/* Balls */
.ball {
  position: absolute;
  width: 30px;
  height: 30px;
  background: radial-gradient(circle at 30% 30%, #fff, #ff6b35, #f7931e);
  border-radius: 50%;
  top: -30px;
  transition: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  z-index: 5;
}

.ball.hit {
  background: radial-gradient(circle at 30% 30%, #fff, #28a745, #20c997);
  animation: ballHit 0.3s ease;
}

@keyframes ballHit {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* Obstacles */
.obstacle {
  position: absolute;
  width: 60px;
  height: 40px;
  background: linear-gradient(135deg, #dc3545, #c82333);
  border: 2px solid #fff;
  border-radius: 8px;
  top: -40px;
  transition: none;
  box-shadow: 0 2px 8px rgba(220,53,69,0.5);
  z-index: 5;
}

.obstacle::before {
  content: '⚠️';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
}

.obstacle.warning {
  animation: obstacleWarning 0.3s ease infinite alternate;
}

@keyframes obstacleWarning {
  0% { background: linear-gradient(135deg, #dc3545, #c82333); }
  100% { background: linear-gradient(135deg, #ff1744, #dc3545); }
}

/* Game Overlay */
.game-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.overlay-content {
  text-align: center;
  padding: 2rem;
  background: rgba(30, 30, 47, 0.95);
  border-radius: 12px;
  border: 2px solid #9146ff;
}

.overlay-content h2 {
  color: #9146ff;
  margin-bottom: 1rem;
  font-size: 2rem;
}

.overlay-content p {
  color: #ccc;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

/* Mobile Controls */
.mobile-controls {
  margin: 1rem auto;
  padding: 1.5rem;
  background: rgba(30, 30, 47, 0.8);
  border-radius: 16px;
  width: 95%;
  max-width: 800px;
  text-align: center;
}

.movement-row {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  justify-content: center;
  width: 100%;
}

.action-row {
  display: flex;
  justify-content: center;
  width: 100%;
}

.movement-button {
  flex: 1;
  max-width: 200px;
  padding: 1.5rem 1rem;
  background: #23234a;
  color: white;
  border: 3px solid #444;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Courier New', monospace;
  font-size: 1.2rem;
  font-weight: bold;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.movement-button:hover {
  background: #2a2a5a;
  border-color: #9146ff;
  transform: translateY(-2px);
}

.movement-button:active {
  transform: translateY(0) scale(0.95);
  background: #9146ff;
}

.action-button {
  padding: 1.5rem 4rem;
  background: #28a745;
  color: white;
  border: 3px solid #28a745;
  border-radius: 12px;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 70px;
  min-width: 200px;
  width: 60%;
  max-width: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-button:hover {
  background: #218838;
  border-color: #1e7e34;
  transform: translateY(-2px);
}

.action-button:active {
  transform: translateY(0) scale(0.95);
}

/* Instructions */
.instructions {
  background: rgba(30, 30, 47, 0.6);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.instructions h3 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #fff;
  font-size: 1.5rem;
}

.instructions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.instruction-group h4 {
  color: #9146ff;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.control-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.control-item:last-child {
  border-bottom: none;
}

.key {
  background: #1a1a2e;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: bold;
  color: #fff;
  border: 1px solid #333;
  min-width: 60px;
  text-align: center;
}

.action {
  color: #ccc;
  flex: 1;
  margin-left: 1rem;
}

.instruction-group p {
  color: #ccc;
  line-height: 1.6;
  margin: 0.5rem 0;
}

.game-footer {
  text-align: center;
  padding: 1rem;
  color: #aaa;
  font-size: 0.9rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .game-header h1 {
    font-size: 2rem;
  }
  
  .game-area {
    height: 400px;
  }
  
  .player {
    width: 60px;
    height: 60px;
    bottom: 15px;
  }
  
  .ball {
    width: 25px;
    height: 25px;
  }
  
  .game-ui {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .score-panel {
    gap: 1rem;
    justify-content: center;
  }
  
  .instructions-grid {
    grid-template-columns: 1fr;
  }
  
  .lane-marker {
    font-size: 0.8rem;
  }
  
  /* Enhanced mobile controls for tablets */
  .mobile-controls {
    padding: 2rem;
    margin: 1.5rem auto;
    width: 90%;
    max-width: 600px;
  }
  
  .movement-row {
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
  
  .movement-button {
    padding: 2rem 1.5rem;
    font-size: 1.3rem;
    min-height: 80px;
    max-width: 180px;
  }
  
  .action-button {
    padding: 2rem 4rem;
    font-size: 1.4rem;
    min-height: 80px;
    min-width: 250px;
    width: 70%;
    max-width: 350px;
  }
}

@media (max-width: 480px) {
  .game-container {
    padding: 0.5rem;
  }
  
  .game-header h1 {
    font-size: 1.5rem;
  }
  
  .game-area {
    height: 350px;
  }
  
  .player {
    width: 50px;
    height: 50px;
    bottom: 10px;
  }
  
  .ball {
    width: 20px;
    height: 20px;
  }
  
  /* Enhanced mobile controls for phones */
  .mobile-controls {
    padding: 1.5rem;
    margin: 1rem auto;
    width: 95%;
    max-width: 400px;
  }
  
  .movement-row {
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  .movement-button {
    padding: 1.25rem 0.75rem;
    font-size: 1.1rem;
    min-height: 65px;
    max-width: 150px;
  }
  
  .action-button {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
    min-height: 65px;
    min-width: 180px;
    width: 80%;
    max-width: 250px;
  }
  
  .control-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .action {
    margin-left: 0;
  }
}

/* Desktop-only controls visibility */
@media (min-width: 769px) {
  .mobile-controls {
    display: none;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Player lane positions */
.player.lane-0 {
  left: 10%;
  transform: translateX(-50%);
}

.player.lane-1 {
  left: 30%;
  transform: translateX(-50%);
}

.player.lane-2 {
  left: 50%;
  transform: translateX(-50%);
}

.player.lane-3 {
  left: 70%;
  transform: translateX(-50%);
}

.player.lane-4 {
  left: 90%;
  transform: translateX(-50%);
}

/* Ball lane positions */
.ball.lane-0 {
  left: calc(10% - 15px);
}

.ball.lane-1 {
  left: calc(30% - 15px);
}

.ball.lane-2 {
  left: calc(50% - 15px);
}

.ball.lane-3 {
  left: calc(70% - 15px);
}

.ball.lane-4 {
  left: calc(90% - 15px);
}

/* Obstacle lane positions */
.obstacle.lane-0 {
  left: calc(10% - 30px);
}

.obstacle.lane-1 {
  left: calc(30% - 30px);
}

.obstacle.lane-2 {
  left: calc(50% - 30px);
}

.obstacle.lane-3 {
  left: calc(70% - 30px);
}

.obstacle.lane-4 {
  left: calc(90% - 30px);
}

/* Score popup animation */
.score-popup {
  position: absolute;
  color: #28a745;
  font-weight: bold;
  font-size: 1.5rem;
  pointer-events: none;
  z-index: 50;
  animation: scorePopup 1s ease-out forwards;
}

@keyframes scorePopup {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-50px) scale(1.2);
  }
}