:root {
  --bg-color: #fef6f0;
  --text-color: #222;
  --container-bg: #fff;
  --primary-color: #ff6b81;
  --button-hover: #e85d72;
  --answer-bg: #fff0f5;
  --answer-hover: #ffe4ec;
  --correct: #c8f7c5;
  --incorrect: #f7c5c5;
}

body.dark {
  --bg-color: #121212;
  --text-color: #f0f0f0;
  --container-bg: #1e1e1e;
  --primary-color: #ff9aa2;
  --button-hover: #ff758f;
  --answer-bg: #2c2c2c;
  --answer-hover: #3a3a3a;
  --correct: #2ecc71;
  --incorrect: #e74c3c;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: "Segoe UI", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
  transition: background 0.3s, color 0.3s;
}

.toggle-container {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

#theme-toggle {
  padding: 10px 15px;
  border: none;
  background: var(--primary-color);
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

.container {
  background-color: var(--container-bg);
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  max-width: 600px;
  width: 100%;
  overflow: hidden;
  transition: background 0.3s;
}

.screen {
  display: none;
  padding: 2rem;
  text-align: center;
}

.screen.active {
  display: block;
}

h1,
h2 {
  color: var(--primary-color);
}

.quiz-info {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
}

.answers-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.answer-btn {
  background: var(--answer-bg);
  border: 2px solid var(--answer-hover);
  padding: 1rem;
  border-radius: 10px;
  text-align: left;
  cursor: pointer;
  color: var(--text-color);
  transition: 0.3s;
}

.answer-btn:hover {
  background: var(--answer-hover);
}

.answer-btn.correct {
  background: var(--correct);
  color: #155724;
}

.answer-btn.incorrect {
  background: var(--incorrect);
  color: #721c24;
}

.progress-bar {
  height: 10px;
  background: var(--answer-hover);
  margin-top: 20px;
  border-radius: 5px;
  overflow: hidden;
}

.progress {
  background-color: var(--primary-color);
  height: 100%;
  width: 0%;
  transition: width 0.3s;
}

.result-info {
  background: var(--answer-bg);
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
}

button {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 15px 30px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: var(--button-hover);
}

@media (max-width: 500px) {
  .screen {
    padding: 1rem;
  }

  h1 {
    font-size: 1.8rem;
  }

  .answer-btn {
    padding: 0.75rem;
  }
}