/* Christmas theme overrides */
body {
  background: linear-gradient(
    135deg,
    #0a1a0a 0%,
    #1a2e1a 25%,
    #2d1b1b 50%,
    #1a0a0a 75%,
    #0f0f05 100%
  );
}

h1 {
  color: #ff4444;
  text-shadow: 0 0 10px #ff4444, 0 0 20px #ff0000;
}

.quiz-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
}

.category-badge {
  display: inline-block;
  padding: 5px 15px;
  background: linear-gradient(135deg, #228b22, #006400);
  color: #ffffff;
  border-radius: 20px;
  font-size: 0.9em;
  margin-bottom: 15px;
  box-shadow: 0 0 10px rgba(34, 139, 34, 0.5);
}

.question-box {
  border: 3px solid #ff4444;
  padding: 30px;
  margin: 20px auto;
  border-radius: 15px;
  background: rgba(255, 68, 68, 0.08);
  box-shadow: 0 0 30px rgba(255, 68, 68, 0.3);
  position: relative;
  overflow: hidden;
}

.question-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
  pointer-events: none; /* keep decorative layer from blocking interaction */
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
}

.question-text {
  font-size: 1.4em;
  color: #ffffff;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.question-english {
  font-size: 1em;
  color: #88cc88;
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.progress-bar {
  width: 100%;
  height: 20px;
  background: rgba(255, 68, 68, 0.2);
  border-radius: 10px;
  margin: 20px 0;
  overflow: hidden;
  border: 1px solid #ff4444;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #ff4444, #228b22);
  border-radius: 10px;
  transition: width 0.5s ease;
  box-shadow: 0 0 10px rgba(255, 68, 68, 0.5);
}

.progress-text {
  color: #ffffff;
  font-size: 0.9em;
  margin-bottom: 5px;
}

.answer-input {
  width: 100%;
  max-width: 400px;
  padding: 15px;
  font-size: 1.2em;
  background: rgba(34, 139, 34, 0.1);
  border: 2px solid #228b22;
  border-radius: 10px;
  color: #ffffff;
  text-align: center;
  margin: 10px 0;
}

.answer-input:focus {
  outline: none;
  border-color: #32cd32;
  box-shadow: 0 0 20px rgba(50, 205, 50, 0.4);
}

.options-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0;
}

.option-btn {
  padding: 15px 25px;
  background: rgba(34, 139, 34, 0.1);
  border: 2px solid #228b22;
  border-radius: 10px;
  color: #ffffff;
  font-size: 1.1em;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
}

.option-btn:hover {
  background: rgba(34, 139, 34, 0.3);
  border-color: #32cd32;
  box-shadow: 0 0 15px rgba(50, 205, 50, 0.4);
  transform: translateX(10px);
}

.option-btn.selected {
  background: rgba(50, 205, 50, 0.3);
  border-color: #32cd32;
}

.option-btn.correct {
  background: rgba(50, 205, 50, 0.5);
  border-color: #00ff00;
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.6);
}

.option-btn.incorrect {
  background: rgba(255, 68, 68, 0.5);
  border-color: #ff0000;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.6);
}

.submit-btn {
  padding: 15px 40px;
  background: linear-gradient(135deg, #228b22, #006400);
  border: none;
  border-radius: 10px;
  color: #ffffff;
  font-size: 1.2em;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(34, 139, 34, 0.4);
}

.submit-btn:hover {
  background: linear-gradient(135deg, #32cd32, #228b22);
  box-shadow: 0 0 30px rgba(50, 205, 50, 0.6);
  transform: scale(1.05);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.hint-btn {
  background: transparent;
  border: 1px solid #ffd700;
  color: #ffd700;
  padding: 8px 20px;
  font-size: 0.9em;
  margin-top: 10px;
}

.hint-btn:hover {
  background: rgba(255, 215, 0, 0.2);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.hint-text {
  color: #ffd700;
  font-style: italic;
  margin-top: 10px;
  padding: 10px;
  background: rgba(255, 215, 0, 0.1);
  border-radius: 5px;
  display: none;
}

.hint-text.visible {
  display: block;
}

.elf-box {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 320px;
  padding: 15px 20px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.85);
  border: 2px solid #228b22;
  color: #ffffff;
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 60px;
  box-shadow: 0 0 20px rgba(34, 139, 34, 0.5);
  z-index: 2000;
  transition: all 0.3s ease;
}

.elf-name {
  font-weight: 700;
  color: #ffd700;
}

.elf-box #elfText {
  flex: 1;
  line-height: 1.4;
}

.elf-box.elf-curious {
  border-color: #2ecc71;
}

.elf-box.elf-cocky {
  border-color: #ff6b6b;
  box-shadow: 0 0 18px rgba(255, 107, 107, 0.4);
}

.elf-box.elf-mocking {
  border-color: #ffb347;
  background: rgba(255, 140, 0, 0.15);
}

.elf-box.elf-impressed {
  border-color: #32cd32;
  background: rgba(50, 205, 50, 0.15);
  box-shadow: 0 0 25px rgba(50, 205, 50, 0.5);
}

.elf-box.elf-reluctantly-helpful {
  border-color: #ffd700;
  background: rgba(255, 215, 0, 0.15);
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.5);
}

.elf-box.elf-shake {
  animation: elfShake 0.4s ease;
}

.elf-box.elf-sparkle {
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.5);
}

@keyframes elfShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  50% { transform: translateX(4px); }
  75% { transform: translateX(-2px); }
}

.feedback {
  padding: 20px;
  border-radius: 10px;
  margin: 20px 0;
  font-size: 1.3em;
  display: none;
}

.feedback.correct {
  background: rgba(50, 205, 50, 0.2);
  border: 2px solid #32cd32;
  color: #32cd32;
  display: block;
}

.feedback.incorrect {
  background: rgba(255, 68, 68, 0.2);
  border: 2px solid #ff4444;
  color: #ff4444;
  display: block;
}

.correct-answer-reveal {
  color: #ffd700;
  margin-top: 10px;
}

.score-display {
  font-size: 1.5em;
  color: #ffd700;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
  margin: 20px 0;
}

.next-btn {
  background: linear-gradient(135deg, #ff4444, #cc0000);
  margin-top: 15px;
}

.next-btn:hover {
  background: linear-gradient(135deg, #ff6666, #ff4444);
}

.start-screen, .end-screen {
  text-align: center;
  padding: 40px;
}

.christmas-emoji {
  font-size: 3em;
  margin: 20px 0;
}

.final-score {
  font-size: 2.5em;
  color: #ffd700;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
  margin: 30px 0;
}

.restart-btn {
  background: linear-gradient(135deg, #ff4444, #228b22);
  font-size: 1.3em;
  padding: 20px 50px;
}

.snowflake {
  position: fixed;
  top: -10px;
  color: #ffffff;
  font-size: 1.5em;
  opacity: 0.8;
  pointer-events: none;
  animation: fall linear infinite;
  z-index: 1000;
}

@keyframes fall {
  to {
    transform: translateY(100vh) rotate(360deg);
  }
}

.decorations {
  position: fixed;
  top: 10px;
  left: 10px;
  font-size: 2em;
  z-index: 100;
}

.decorations-right {
  position: fixed;
  top: 10px;
  right: 10px;
  font-size: 2em;
  z-index: 100;
}

.milestone-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  justify-content: center;
  align-items: center;
  padding: 20px;
  z-index: 3000;
}

.milestone-overlay.visible {
  display: flex;
}

.overlay-content {
  background: rgba(20, 40, 20, 0.95);
  border: 2px solid #ffd700;
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 0 40px rgba(255, 215, 0, 0.4);
  color: #ffffff;
}

.overlay-elf {
  font-size: 3em;
  margin-bottom: 10px;
}

.overlay-clue {
  background: rgba(6, 33, 6, 0.8);
  border: 2px dashed #ffd700;
  border-radius: 10px;
  padding: 12px;
  margin: 20px 0;
  font-size: 1.15em;
  color: #ffffff;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.25);
}

.clue-label {
  font-weight: 700;
  margin-right: 6px;
  color: #ffd700;
}

.overlay-clue #milestoneClue {
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Adjust elf box when debug panel is visible */
#debugPanel:not([style*="display: none"]) ~ .quiz-container ~ .elf-box,
body:has(#debugPanel:not([style*="display: none"])) .elf-box {
  bottom: 180px;
}

@media (max-width: 600px) {
  .question-text {
    font-size: 1.2em;
  }

  .option-btn {
    padding: 12px 15px;
    font-size: 1em;
  }

  .elf-box {
    max-width: min(280px, 90vw);
    padding: 12px 15px;
    font-size: 0.9em;
    bottom: 15px;
    right: 15px;
  }

  .elf-name {
    font-size: 0.9em;
  }
}