/* ===== FPTP CHALLENGE STYLES ===== */

:root {
  --success-color: #00703c;
  --error-color: #d4351c;
  --warning-color: #f47738;
  --neutral-color: #1d70b8;

  /* Light mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f9f9f9;
  --text-primary: #0b0c0c;
  --text-secondary: #666;
  --border-color: #ddd;
  --card-shadow: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #444;
    --card-shadow: rgba(0, 0, 0, 0.5);
  }
}

/* Dark Mode Page Background */
@media (prefers-color-scheme: dark) {
  body,
  .govuk-template__body,
  .govuk-main-wrapper,
  .content {
    background-color: #121212;
    color: var(--text-primary);
  }
}

/* Intro Content within Challenge Card */
.intro-content {
  background: linear-gradient(
    135deg,
    rgba(0, 112, 60, 0.08) 0%,
    rgba(29, 112, 184, 0.08) 100%
  );
  border-left: 4px solid var(--neutral-color);
  border-radius: 4px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  color: var(--text-primary);
}

.intro-content h3 {
  margin: 0 0 0.75rem 0;
  color: var(--neutral-color);
  font-size: 1.1rem;
}

.intro-content p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-primary);
}

.intro-content p:last-child {
  margin-bottom: 0;
}

@media (prefers-color-scheme: dark) {
  .intro-content {
    background: linear-gradient(
      135deg,
      rgba(0, 112, 60, 0.15) 0%,
      rgba(29, 112, 184, 0.15) 100%
    );
  }
}

/* Intro Section */
.challenge-intro {
  margin: 1.5rem 0 2rem 0;
}

.intro-box {
  background: linear-gradient(135deg, #f0f8f0 0%, #e8f5ff 100%);
  border: 2px solid var(--neutral-color);
  border-radius: 8px;
  padding: 2rem;
  max-width: 600px;
  margin: 0 auto;
}

@media (prefers-color-scheme: dark) {
  .intro-box {
    background: linear-gradient(
      135deg,
      rgba(0, 112, 60, 0.15) 0%,
      rgba(29, 112, 184, 0.15) 100%
    );
    border-color: var(--neutral-color);
  }
}

.intro-box h2 {
  margin-top: 0;
  color: var(--neutral-color);
  font-size: 1.5rem;
}

.intro-box p {
  margin: 1rem 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .challenge-intro {
    margin: 1rem 0 1.5rem 0;
  }

  .intro-box {
    padding: 1.5rem;
  }

  .intro-box h2 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
  }

  .intro-box p {
    margin: 0.75rem 0;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .challenge-intro {
    margin: 0.75rem 0 1rem 0;
  }

  .intro-box {
    padding: 1rem;
  }

  .intro-box h2 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }

  .intro-box p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
  }
}

/* Challenge Stage */
.challenge-container {
  width: 100%;
}

.challenge-stage,
.results-stage {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
}

.challenge-stage.hidden,
.results-stage.hidden {
  display: none;
  opacity: 0;
}

/* Challenge Card */
.challenge-card {
  background: var(--bg-primary);
  border: 3px solid var(--neutral-color);
  border-radius: 12px;
  padding: 2.5rem;
  margin: 1.5rem auto;
  max-width: 700px;
  box-shadow: 0 4px 20px var(--card-shadow);
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .challenge-card {
    margin: 1rem auto;
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .challenge-card {
    margin: 0.75rem auto;
    padding: 1rem;
    border-radius: 8px;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.challenge-header {
  text-align: center;
  margin-bottom: 2rem;
}

.challenge-header p {
  color: var(--text-primary);
}

.challenge-header h2 {
  margin: 0 0 0.5rem 0;
  color: var(--text-dark);
  font-size: 1.8rem;
}

.challenge-meta {
  font-size: 0.95rem;
  color: var(--text-color);
  margin: 0.5rem 0;
}

.challenge-meta .counter {
  font-weight: 600;
  color: var(--neutral-color);
}

/* Election Result Display */
.election-result {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
  color: var(--text-primary);
}

.election-result h3 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.4rem;
}

.result-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

@media (max-width: 600px) {
  .result-details {
    grid-template-columns: 1fr;
  }
}

.result-item {
  background: white;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.result-label {
  font-size: 0.85rem;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.result-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--neutral-color);
}

.result-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

@media (max-width: 600px) {
  .result-metrics {
    grid-template-columns: 1fr;
  }
}

.metric-item {
  padding: 1.25rem;
  background: linear-gradient(
    135deg,
    rgba(29, 112, 184, 0.1),
    rgba(29, 112, 184, 0.05)
  );
  border-radius: 8px;
  border: 2px solid rgba(29, 112, 184, 0.2);
  text-align: center;
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .metric-item {
    background: linear-gradient(
      135deg,
      rgba(29, 112, 184, 0.2),
      rgba(29, 112, 184, 0.1)
    );
    border-color: rgba(29, 112, 184, 0.4);
  }
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--neutral-color);
}

/* Question Section */
.question-section {
  margin: 2.5rem 0;
}

.question-section h3 {
  margin: 0 0 1.5rem 0;
  color: var(--text-dark);
  text-align: center;
  font-size: 1.3rem;
}

/* Slider Input */
.vote-guess-container {
  margin: 2rem 0;
}

.slider-wrapper {
  position: relative;
  margin: 2rem 0;
}

.slider-track {
  position: relative;
  width: 100%;
  height: 32px; /* Increased to accommodate thumb height */
  margin: calc(1rem - 5px) 0 calc(1rem - 5px) 0;
  padding: 0;
  box-sizing: border-box;
  top: -5px;
  display: flex;
  align-items: center;
}

.seat-share-marker {
  position: absolute;
  top: 0;
  width: 3px;
  height: 100%;
  background: #ffffff;
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
}

.seat-share-marker::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #ffffff;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.seat-share-marker::after {
  content: "Seat Share";
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.75rem;
  color: #ffffff;
  font-weight: 600;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  .seat-share-marker {
    background: #ffffff;
    box-shadow: 0 0 2px rgba(255, 255, 255, 0.5);
  }

  .seat-share-marker::before {
    border-top-color: #ffffff;
    filter: drop-shadow(0 1px 2px rgba(255, 255, 255, 0.3));
  }

  .seat-share-marker::after {
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
  }
}

.actual-vote-share-marker {
  position: absolute;
  top: 0;
  width: 3px;
  height: 100%;
  background: #ffd700;
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
  box-shadow: 0 0 4px rgba(255, 215, 0, 0.6);
}

.actual-vote-share-marker::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid #ffd700;
  filter: drop-shadow(0 1px 2px rgba(255, 215, 0, 0.6));
}

.actual-vote-share-marker::after {
  content: "Actual";
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.75rem;
  color: #ffd700;
  font-weight: 600;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

@media (prefers-color-scheme: dark) {
  .actual-vote-share-marker {
    background: #ffd700;
    box-shadow: 0 0 4px rgba(255, 215, 0, 0.8);
  }

  .actual-vote-share-marker::before {
    border-top-color: #ffd700;
    filter: drop-shadow(0 1px 2px rgba(255, 215, 0, 0.6));
  }

  .actual-vote-share-marker::after {
    color: #ffd700;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.9);
  }
}

.vote-difference-indicator {
  position: absolute;
  top: 0;
  height: 4px;
  background: #d4351c;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 0.3s ease,
    width 0.2s ease,
    left 0.2s ease;
}

.vote-difference-indicator.animate {
  opacity: 1;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

/* Slider Input - Base Styles */
.guess-slider {
  position: relative;
  width: 100%;
  height: 8px;
  background: transparent;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  accent-color: #666666;
  z-index: 3;
  transition: none; /* Disable CSS transition, we handle animation in JS */
  margin: 0;
  padding: 0;
}

/* Track Background (using ::before on slider-track) */
.slider-track::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 8px;
  transform: translateY(-50%);
  border-radius: 5px;
  background: linear-gradient(to right, #ddd 0%, #999 50%, #ddd 100%);
  z-index: 0;
}

/* Webkit Track (Chrome, Safari, Edge) */
.guess-slider::-webkit-slider-runnable-track {
  height: 8px;
  width: 100%;
  cursor: pointer;
  background: transparent;
  border-radius: 5px;
}

/* Mozilla Track (Firefox) */
.guess-slider::-moz-range-track {
  height: 8px;
  width: 100%;
  cursor: pointer;
  background: transparent;
  border-radius: 5px;
  border: none;
}

/* Microsoft Track (IE11, Edge Legacy) */
.guess-slider::-ms-track {
  height: 8px;
  width: 100%;
  cursor: pointer;
  color: transparent;
  background: transparent;
  border: none;
  border-radius: 5px;
}

.guess-slider::-ms-fill-lower {
  background: transparent;
}

.guess-slider::-ms-fill-upper {
  background: transparent;
}

/* Webkit Thumb (Chrome, Safari, Edge) */
.guess-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #666666;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
  margin-top: -12px; /* Center 32px thumb on 8px track: (32-8)/2 = 12px */
}

.guess-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  background: #555555;
}

/* Mozilla Thumb (Firefox) */
.guess-slider::-moz-range-thumb {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #666666;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.guess-slider::-moz-range-thumb:hover {
  background: #555555;
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Microsoft Thumb (IE11, Edge Legacy) */
.guess-slider::-ms-thumb {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #666666;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Focus States */
.guess-slider:focus {
  outline: none;
}

.guess-slider:focus::-webkit-slider-thumb {
  box-shadow:
    0 0 0 3px rgba(29, 112, 184, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.2);
}

.guess-slider:focus::-moz-range-thumb {
  box-shadow:
    0 0 0 3px rgba(29, 112, 184, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.2);
}

.guess-slider:focus::-ms-thumb {
  box-shadow:
    0 0 0 3px rgba(29, 112, 184, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Disabled States */
.guess-slider:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.guess-slider:disabled::-webkit-slider-thumb {
  cursor: not-allowed;
}

.guess-slider:disabled::-moz-range-thumb {
  cursor: not-allowed;
}

.guess-slider:disabled::-ms-thumb {
  cursor: not-allowed;
}

/* Guess Display */
.guess-display {
  text-align: center;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 2px dashed var(--neutral-color);
  border-radius: 8px;
  animation: fadeIn 0.3s ease;
  color: var(--text-primary);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.guess-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.guess-percentage {
  font-size: 3rem;
  font-weight: bold;
  color: var(--neutral-color);
  margin: 0;
}

.guess-range-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.difference-display {
  margin-top: 1rem;
  text-align: center;
}

.difference-text {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  display: inline-block;
}

.difference-text.neutral {
  color: var(--neutral-color);
  background: rgba(29, 112, 184, 0.1);
}

.difference-text.below {
  color: #d4351c;
  background: rgba(212, 53, 28, 0.1);
}

.difference-text.above {
  color: #00703c;
  background: rgba(0, 112, 60, 0.1);
}

/* Range Labels */
.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Button Styles */
.button-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 2.5rem 0;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .button-group {
    flex-direction: column;
  }
}

.btn-submit,
.btn-next,
.btn-start-over {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  min-width: 180px;
  text-align: center;
}

.btn-submit {
  background: var(--neutral-color);
  color: white;
}

.btn-submit:hover:not(:disabled) {
  background: #1a5fa0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

@media (prefers-color-scheme: dark) {
  .btn-submit:hover:not(:disabled) {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.8);
  }
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-next,
.btn-start-over {
  background: var(--success-color);
  color: white;
}

.btn-next:hover,
.btn-start-over:hover {
  background: #005a2a;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

@media (prefers-color-scheme: dark) {
  .btn-next:hover,
  .btn-start-over:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.8);
  }
}

/* Inline Results */
.inline-results {
  margin: 2rem 0;
  animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Results Display */
.result-feedback {
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid;
  animation: slideInDown 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result-feedback.correct {
  background: #f0fdf4;
  border-color: var(--success-color);
  color: #165b33;
}

@media (prefers-color-scheme: dark) {
  .result-feedback.correct {
    background: rgba(0, 112, 60, 0.25);
    color: #7bed9f;
    border-color: #00aa52;
  }
}

.result-feedback.incorrect {
  background: #fef2f2;
  border-color: var(--error-color);
  color: #7f1d1d;
}

@media (prefers-color-scheme: dark) {
  .result-feedback.incorrect {
    background: rgba(212, 53, 28, 0.25);
    color: #ff9d8f;
    border-color: #ff6b42;
  }
}

.result-feedback h4 {
  margin: 0 0 0.75rem 0;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.result-feedback p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

/* Comparison Display */
.guess-vs-actual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

@media (max-width: 600px) {
  .guess-vs-actual {
    grid-template-columns: 1fr;
  }
}

.comparison-item {
  padding: 1.5rem;
  background: #f9f9f9;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  text-align: center;
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .comparison-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
  }
}

.comparison-item h5 {
  margin: 0 0 1rem 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.comparison-value {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0;
}

.guess-value {
  color: var(--neutral-color);
}

.actual-value {
  color: var(--success-color);
}

.difference {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.diff-item {
  padding: 1rem;
  background: #f9f9f9;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .diff-item {
    background: var(--bg-secondary);
  }
}

.diff-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.diff-value {
  font-size: 1.8rem;
  font-weight: bold;
}

.diff-value.high {
  color: var(--error-color);
}

.diff-value.medium {
  color: var(--warning-color);
}

.diff-value.low {
  color: var(--success-color);
}

/* Election Card List */
.elections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.election-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  color: var(--text-primary);
}

.election-card:hover {
  border-color: var(--neutral-color);
  box-shadow: 0 4px 12px var(--card-shadow);
  transform: translateY(-2px);
}

.election-year {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.election-leader {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0.5rem 0;
}

.election-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
  padding: 1rem;
  background: rgba(29, 112, 184, 0.05);
  border-radius: 6px;
}

.stat-inline {
  text-align: center;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--neutral-color);
}

.election-status {
  font-size: 0.85rem;
  color: var(--success-color);
  font-weight: 600;
  margin-top: 1rem;
}

/* Final Results Screen */
.results-stage {
  animation: slideInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.results-summary {
  background: var(--bg-primary);
  border: 3px solid var(--neutral-color);
  border-radius: 12px;
  padding: 2.5rem;
  margin: 2rem auto;
  max-width: 700px;
  text-align: center;
  box-shadow: 0 4px 20px var(--card-shadow);
  color: var(--text-primary);
}

.results-summary h2 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 2rem;
}

.score-display {
  margin: 2rem 0;
  padding: 2rem;
  background: linear-gradient(135deg, #f0f8f0 0%, #e8f5ff 100%);
  border-radius: 8px;
  border: 2px solid var(--neutral-color);
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .score-display {
    background: linear-gradient(
      135deg,
      rgba(0, 112, 60, 0.15) 0%,
      rgba(29, 112, 184, 0.15) 100%
    );
  }
}

.score-label {
  font-size: 1rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.score-value {
  font-size: 3.5rem;
  font-weight: bold;
  color: var(--neutral-color);
  margin: 0;
}

.score-fraction {
  font-size: 1.2rem;
  color: var(--text-color);
  margin-top: 0.5rem;
}

/* Insight Box */
.insight-box {
  background: #fef3c7;
  border: 2px solid #fcd34d;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  text-align: left;
}

@media (prefers-color-scheme: dark) {
  .insight-box {
    background: rgba(217, 119, 6, 0.2);
    border-color: rgba(217, 119, 6, 0.4);
  }
}

.insight-box h4 {
  margin: 0 0 0.75rem 0;
  color: #92400e;
  font-size: 1.1rem;
}

@media (prefers-color-scheme: dark) {
  .insight-box h4 {
    color: #fbbf24;
  }
}

.insight-box p {
  margin: 0.5rem 0;
  color: #78350f;
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  .insight-box p {
    color: #fed7aa;
  }
}

.insight-box ul {
  margin: 1rem 0 0 1.5rem;
  padding-left: 0;
}

.insight-box li {
  margin: 0.5rem 0;
  color: #78350f;
}

@media (prefers-color-scheme: dark) {
  .insight-box li {
    color: #fed7aa;
  }
}

/* Performance Indicators */
.performance-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (max-width: 600px) {
  .performance-stats {
    grid-template-columns: 1fr;
  }
}

.stat-box {
  padding: 1.5rem;
  background: #f9f9f9;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  text-align: center;
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .stat-box {
    background: var(--bg-secondary);
  }
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--neutral-color);
}

/* Footer Text */
body > div[style*="text-align: center"] {
  color: var(--text-secondary);
}

@media (prefers-color-scheme: dark) {
  body > div[style*="text-align: center"] {
    color: #999;
  }
}

/* Loading State */
.loading {
  text-align: center;
  padding: 2rem;
}

.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(29, 112, 184, 0.2);
  border-top-color: var(--neutral-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .challenge-card {
    padding: 1.5rem;
    margin: 1.5rem 0;
  }

  .challenge-header h2 {
    font-size: 1.5rem;
  }

  .btn-submit,
  .btn-next,
  .btn-start-over {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    min-width: 130px;
  }

  .results-summary {
    padding: 1.5rem;
  }

  .results-summary h2 {
    font-size: 1.5rem;
  }

  .score-value {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .challenge-card {
    padding: 1rem;
  }

  .challenge-header h2 {
    font-size: 1.3rem;
  }

  .guess-percentage {
    font-size: 2.5rem;
  }

  .result-value {
    font-size: 1.5rem;
  }

  .button-group {
    gap: 0.75rem;
  }

  .btn-submit,
  .btn-next,
  .btn-start-over {
    padding: 0.625rem 1rem;
    font-size: 0.8rem;
    min-width: 120px;
  }

  .performance-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .insight-box {
    padding: 1rem;
  }
}