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

body {
  font-family: "Orbitron", sans-serif;
  background-color: #000;
  color: #fff;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  height: 100vh;
  background-image: url("assets/images/space-bg.jpg");
  background-size: cover;
  background-position: center;
}

#game-info {
  display: flex;
  width: 100%;
  padding: 10px;
  background-color: rgba(0, 0, 0, 0.7);
  justify-content: space-around;
  z-index: 10;
}

#game-instructions {
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  margin: 5px 0;
  text-align: center;
  color: #ccc;
}

#game-wrapper {
  display: flex;
  width: 95%;
  max-width: 1200px;
  height: 80vh;
  margin-top: 10px;
  justify-content: space-between;
  gap: 20px;
}

#game-container {
  width: 70%;
  height: 100%;
  position: relative;
  background-color: rgba(0, 0, 0, 0.5);
  border: 2px solid #0066ff;
  border-radius: 10px;
  overflow: hidden;
}

#leaderboard-container {
  width: 28%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#leaderboard {
  background-color: rgba(0, 0, 0, 0.7);
  border: 2px solid #0066ff;
  border-radius: 10px;
  padding: 15px;
  height: 100%;
  overflow: auto;
}

#leaderboard h2 {
  color: #0066ff;
  text-align: center;
  margin-top: 0;
  border-bottom: 1px solid #0066ff;
  padding-bottom: 10px;
}

#leaderboard-tabs {
  display: flex;
  margin-bottom: 15px;
  border-bottom: 1px solid #333;
}

.tab {
  background: none;
  border: none;
  color: #ccc;
  padding: 8px 15px;
  cursor: pointer;
  font-family: "Orbitron", sans-serif;
  flex: 1;
  transition: all 0.3s ease;
}

.tab.active {
  color: #0066ff;
  border-bottom: 2px solid #0066ff;
}

#leaderboard-list {
  margin: 0;
  padding: 0;
}

#leaderboard-list li {
  padding: 10px;
  margin-bottom: 5px;
  border-radius: 5px;
  background-color: rgba(0, 102, 255, 0.1);
  transition: background-color 0.3s ease;
}

#leaderboard-list li:hover {
  background-color: rgba(0, 102, 255, 0.2);
}

#ship {
  width: 60px;
  height: 40px;
  background-image: url("assets/images/my-ship.png");
  background-size: contain;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translate(-50%, 0) rotate(0deg);
  z-index: 10;
}

.bullet {
  width: 5px;
  height: 15px;
  background-color: #ffcc00;
  position: absolute;
  border-radius: 5px;
  box-shadow: 0 0 5px #ffcc00;
}

.enemy-bullet {
  width: 5px;
  height: 15px;
  background-color: #f00;
  position: absolute;
  border-radius: 5px;
  box-shadow: 0 0 5px #f00;
}

.enemy {
  width: 50px;
  height: 40px;
  background-image: url("assets/images/enemy-ship.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  position: absolute;
  transform: rotate(180deg);
  z-index: 5;
}

.shooting-enemy {
  width: 55px;
  height: 45px;
  background-image: url("assets/images/enemy-shooter.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  position: absolute;
  transform: rotate(180deg);
  z-index: 5;
}

.kamikaze-enemy {
  width: 50px;
  height: 50px;
  background-image: url("assets/images/kamikaze.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  position: absolute;
  transform: rotate(180deg);
  z-index: 5;
}

.heart {
  width: 25px;
  height: 25px;
  background-image: url("assets/images/heart.png");
  background-size: contain;
  background-repeat: no-repeat;
  position: absolute;
}

.double-shot {
  width: 25px;
  height: 25px;
  background-image: url("assets/images/double-shot.png");
  background-size: contain;
  background-repeat: no-repeat;
  position: absolute;
}

.speed-boost {
  width: 25px;
  height: 25px;
  background-image: url("assets/images/speed.png");
  background-size: contain;
  background-repeat: no-repeat;
  position: absolute;
}

.particle {
  position: absolute;
  width: 5px;
  height: 5px;
  background-color: orange;
  border-radius: 50%;
  animation: explode 0.5s forwards;
}

@keyframes explode {
  to {
    transform: translate(var(--dx), var(--dy));
    opacity: 0;
  }
}

.shake {
  animation: shake 0.1s linear;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

#start-screen,
#end-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

button {
  background-color: #0066ff;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 10px 20px;
  margin: 10px;
  cursor: pointer;
  font-family: "Orbitron", sans-serif;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0052cc;
}

button:disabled {
  background-color: #666;
  cursor: not-allowed;
}

input {
  font-family: "Poppins", sans-serif;
  padding: 8px;
  border: none;
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.8);
}

#my-best-score {
  text-align: center;
}

#my-best-score h3 {
  margin-top: 0;
  color: #ffcc00;
}

#best-score-value {
  font-size: 20px;
  color: #ffcc00;
  font-weight: bold;
}

/* Mobil uyumluluk */
@media (max-width: 768px) {
  #game-wrapper {
    flex-direction: column;
    height: auto;
  }

  #game-container {
    width: 95%;
    height: 60vh;
  }

  #leaderboard-container {
    width: 95%;
    margin-top: 20px;
    height: auto;
  }

  #leaderboard {
    max-height: 300px;
  }
}