/* Base Styles */
:root {
  --primary-color: #368dda;
  --secondary-color: #f69d3c;
  --accent-color: #3f87a6;
  --correct-color: #4CAF50;
  --wrong-color: #F44336;
  --text-color: #333;
  --light-text: #f5f5f5;
  --background-color: #f8f9fa;
  --card-bg: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Open Sans', sans-serif;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.app-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

/* Welcome Screen */
.welcome-screen {
  background-color: var(--card-bg);
  border-radius: 15px;
  padding: 30px;
  box-shadow: var(--shadow);
  text-align: center;
  animation: fadeIn 0.5s ease-in-out;
}

.welcome-content h1 {
  color: var(--primary-color);
  margin-bottom: 30px;
  font-size: 2.2rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
}

.input-group input,
.input-group select {
  padding: 12px 15px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s;
}

.input-group input:focus,
.input-group select:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(54, 141, 218, 0.2);
}

/* Quiz Screen */
.quiz-screen {
  background-color: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: fadeIn 0.5s ease-in-out;
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--primary-color);
  color: var(--light-text);
}

.progress-container {
  flex: 1;
}

.progress-bar {
  height: 8px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  margin-bottom: 5px;
  overflow: hidden;
}

.progress-bar div {
  height: 100%;
  background-color: var(--light-text);
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.9rem;
}

.timer-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.timer-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: conic-gradient(var(--secondary-color) 0deg, transparent 0deg);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.2rem;
}

.quiz-content {
  padding: 20px;
}

.quiz-image-container {
  width: 100%;
  height: 300px;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.quiz-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.quiz-image-container img:hover {
  transform: scale(1.02);
}

.options-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.option-btn {
  padding: 15px;
  border: none;
  border-radius: 8px;
  background-color: #f0f0f0;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.option-btn:hover {
  background-color: #e0e0e0;
  transform: translateY(-2px);
}

.option-btn.correct {
  background-color: var(--correct-color);
  color: white;
}

.option-btn.wrong {
  background-color: var(--wrong-color);
  color: white;
}

/* Results Screen */
.results-screen {
  background-color: var(--card-bg);
  border-radius: 15px;
  padding: 30px;
  box-shadow: var(--shadow);
  text-align: center;
  animation: fadeIn 0.5s ease-in-out;
}

.results-content h2 {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.score-display {
  margin-bottom: 30px;
}

.score-text {
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.score-visual {
  display: flex;
  justify-content: center;
}

.score-circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: conic-gradient(var(--primary-color) 0deg, #f0f0f0 0deg);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.score-circle span {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary-color);
}

.character-gif {
  width: 100%;
  height: 200px;
  margin: 20px 0;
  border-radius: 10px;
  overflow: hidden;
}

.character-gif img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Buttons */
.btn {
  padding: 12px 25px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  background: #cccccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .quiz-header {
    flex-direction: column;
    gap: 15px;
  }
  
  .quiz-image-container {
    height: 250px;
  }
  
  .score-circle {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 480px) {
  .welcome-content h1 {
    font-size: 1.8rem;
  }
  
  .quiz-image-container {
    height: 200px;
  }
  
  .option-btn {
    padding: 12px;
    font-size: 0.9rem;
  }
}