/* ===== IMPORT E VARIAVEIS ===== */
@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;700&display=swap");

:root {
  --color-dark: #0a0a1a;
  --color-primary: #00f5ff; /* Cyan Neon */
  --color-secondary: #0077ff; /* Azul Neon */
  --color-correct: #32cd32; /* Lima Green */
  --color-wrong: #ff4500; /* Red Orange */
  --color-background: rgba(10, 10, 26, 0.95);
  --shadow-neon: 0 0 15px rgba(0, 255, 255, 0.6);
}

/* ===== RESET E BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Space Grotesk", sans-serif;
  transition: background-color 0.3s, border-color 0.3s, transform 0.3s,
    box-shadow 0.3s;
}
body {
  background: var(--color-dark);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

/* ===== FUNDO DE ESTRELAS (Melhorado) ===== */
#star-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  background: black;
  /* NOVO: Efeito de rolagem/viagem pelo espaço */
  animation: starScroll 180s linear infinite;
}
.star {
  position: absolute;
  width: 1px;
  height: 1px;
  border-radius: 50%;
  background: white;
  opacity: 0.5;
  animation: twinkle 5s infinite alternate;
}
@keyframes twinkle {
  from {
    opacity: 0.2;
  }
  to {
    opacity: 1;
  }
}

/* NOVO KEYFRAME: Faz as estrelas se moverem lentamente de baixo para cima */
@keyframes starScroll {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 0 100%; /* Move o background verticalmente */
  }
}

/* ===== PLANETAS (Aprimorado) ===== */
.planets-bg {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -2;
}
.planet {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  position: absolute;
  filter: blur(5px);
  opacity: 0.25; /* Aumentei a opacidade para ficarem mais visíveis */
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.earth {
  background: linear-gradient(135deg, #1e90ff, #00ff7f);
  animation: orbit-dynamic 80s linear infinite;
  top: 10%;
  left: 85%;
}
.mars {
  background: #ff4500;
  animation: orbit-dynamic 120s linear infinite reverse;
  top: 70%;
  left: 10%;
  width: 60px;
  height: 60px;
}
.jupiter {
  background: #d2a679;
  animation: orbit-dynamic 60s linear infinite;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
}

/* KEYFRAME MELHORADO: Combina órbita, zoom e rotação 3D para um efeito mais imersivo */
@keyframes orbit-dynamic {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(1) perspective(800px)
      rotateY(0deg);
  }
  25% {
    transform: translate(150px, -50px) rotate(90deg) scale(0.9)
      perspective(800px) rotateY(45deg);
  }
  50% {
    transform: translate(0, -100px) rotate(180deg) scale(1.1) perspective(800px)
      rotateY(0deg);
  }
  75% {
    transform: translate(-150px, 50px) rotate(270deg) scale(0.9)
      perspective(800px) rotateY(-45deg);
  }
  100% {
    transform: translate(0, 0) rotate(360deg) scale(1) perspective(800px)
      rotateY(0deg);
  }
}

/* ===== TELAS PRINCIPAIS (Mantidas) ===== */
.screen {
  background: var(--color-background);
  border: 1px solid var(--color-primary);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  width: 500px;
  max-width: 90%;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.4),
    inset 0 0 10px var(--color-primary);
  position: relative;
  z-index: 10;
}
.hidden {
  display: none !important;
}
.fadeIn {
  animation: fadeIn 0.8s ease-in-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- TELA INICIAL --- */
.title {
  font-size: 2em;
  margin-bottom: 10px;
  text-shadow: 0 0 5px var(--color-primary);
}
.subtitle {
  margin-bottom: 25px;
}
.button-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.instruction-box {
  margin-top: 20px;
  padding: 15px;
  border: 1px dashed var(--color-secondary);
  border-radius: 8px;
  background: rgba(0, 119, 255, 0.1);
}

/* --- ESTILIZAÇÃO DE BOTÕES --- */
.btn {
  padding: 12px 25px;
  font-size: 1em;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  letter-spacing: 1px;
}
.btn.primary {
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: var(--color-dark);
}
.btn.primary:not(:disabled):hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px var(--color-primary);
}
.btn.secondary {
  background: transparent;
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
}
.btn.secondary:hover {
  transform: scale(1.05);
  background: rgba(0, 119, 255, 0.2);
  box-shadow: 0 0 10px var(--color-secondary);
}
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- QUIZ CONTAINER --- */
.question-header {
  font-size: 1.1em;
  color: var(--color-primary);
  margin-bottom: 20px;
}
.question-text {
  font-size: 1.4em;
  margin-bottom: 30px;
  font-weight: bold;
}
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

/* --- OPÇÕES DE RESPOSTA --- */
.option {
  padding: 15px;
  border-radius: 8px;
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
  cursor: pointer;
  text-align: left;
  font-size: 1em;
}
.option:hover {
  background: rgba(0, 245, 255, 0.3);
}

/* Feedback de cores */
.option.correct {
  background: var(--color-correct);
  border-color: var(--color-correct);
  box-shadow: 0 0 10px var(--color-correct);
  color: var(--color-dark);
}
.option.wrong {
  background: var(--color-wrong);
  border-color: var(--color-wrong);
  box-shadow: 0 0 10px var(--color-wrong);
}
.option.disabled {
  pointer-events: none;
}

/* --- BARRA DE PROGRESSO --- */
#progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin-bottom: 20px;
  overflow: hidden;
}
#progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00ffaa, var(--color-primary));
  transition: width 0.5s ease-out;
}

/* --- TELA DE RESULTADO --- */
#result-screen {
  padding: 30px 10px;
  font-size: 1.3em;
  line-height: 1.6;
}
.result-message {
  font-size: 1.5em;
  font-weight: bold;
  margin: 15px 0;
  text-shadow: 0 0 5px var(--color-primary);
}
.result-emoji {
  font-size: 3em;
  display: block;
  margin: 20px 0;
}
.restart-btn-group {
  margin-top: 30px;
}

/* Animação do foguete (mantida do código anterior) */
.rocket {
  font-size: 3em;
  position: absolute;
  animation: launch 2s ease-in-out forwards;
  z-index: 100;
}
@keyframes launch {
  0% {
    transform: translateY(0) scale(1) rotate(0deg);
    opacity: 1;
  }
  50% {
    transform: translateY(-150px) scale(1.2) rotate(10deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(0.5) rotate(-10deg);
    opacity: 0;
  }
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 600px) {
  .screen {
    padding: 20px;
  }
  .title {
    font-size: 1.5em;
  }
  .question-text {
    font-size: 1.2em;
  }
  .options-grid {
    gap: 10px;
  }
}