:root {
  --purple: #8738EA;
  --blue: #375CEB;
  --red: #DC2626;
  --yellow: #FFC107;
  --green: #16A34A;
  --white: #FFFFFF;
  --gray-light: #F5F5F5;
  --gray-dark: #333333;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: var(--white);
  color: var(--gray-dark);
}

.app-header {
  background: var(--white);
  padding: 1rem;
  text-align: center;
  border-bottom: 2px solid var(--gray-light);
}

.app-header h1 {
  margin: 0;
  color: var(--purple);
}

.app-main {
  padding: 1rem;
  max-width: 800px;
  margin: auto;
}

.screen { display: none; }
.screen.active { display: block; }

/* ===== Name Entry ===== */
.name-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 0.5rem;
}

#player-name {
  padding: 0.5rem;
  font-size: 1rem;
  width: 100%;
  max-width: 300px;
  margin-bottom: 0.5rem;
  text-align: center;
}

#submit-name-btn {
  max-width: 150px;
}

#submit-name-btn.red {
  background: var(--red);
  color: var(--white);
}

.warning {
  color: var(--red);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ===== Buttons ===== */
.difficulty-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  flex: 1;
  padding: 0.75rem;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  color: var(--white);
  border-radius: 6px;
  transition: transform 0.1s ease-in-out;
}

.btn:hover:enabled { transform: scale(1.05); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.purple { background: var(--purple); }
.btn.blue { background: var(--blue); }
.btn.red { background: var(--red); }
.btn.yellow { background: var(--yellow); color: var(--gray-dark); }
.btn.green { background: var(--green); }
.btn.large { padding: 0.9rem 1.5rem; font-size: 1.1rem; }

/* ===== Scoreboard ===== */
.scoreboard {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: bold;
}

.scoreboard-item {
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  color: var(--white);
  font-weight: bold;
}

.purple-bg { background: var(--purple); }
.blue-bg { background: var(--blue); }
.yellow-bg { background: var(--yellow); color: var(--gray-dark); }
.green-bg { background: var(--green); }

/* Timer pulse animation */
@keyframes pulse-red {
  0% { background-color: var(--red); }
  50% { background-color: #ff6666; }
  100% { background-color: var(--red); }
}

.timer-warning {
  animation: pulse-red 1s infinite;
}

/* ===== Clue Container ===== */
#clue-container {
  background: var(--gray-light);
  padding: 1rem;
  border-radius: 6px;
  min-height: 60px;
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.next-btn-wrapper {
  text-align: center;
  margin: 1rem 0;
}

@media (max-width: 500px) {
  .btn.large {
    width: 100%;
    font-size: 1.2rem;
  }
}

/* ===== Answer Container ===== */
#answer-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

#answer-container .btn {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  text-align: center;
  white-space: normal;
}

@media (max-width: 500px) {
  #answer-container { grid-template-columns: 1fr; }
}

/* ===== Controls ===== */
.controls {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  margin-bottom: 20px;
}

/* ===== Feedback ===== */
.feedback {
  margin-top: 1rem;
  font-weight: bold;
}
.feedback.correct { color: var(--green); }
.feedback.incorrect { color: var(--red); }

/* ===== Ad Container ===== */
.ad-container {
  margin: 1rem 0;
  text-align: center;
}

/* ===== Answer History ===== */
#answer-history {
  margin-top: 1rem;
}

#answer-history-list {
  list-style: none;
  padding: 0;
}

#answer-history-list li {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
}

.answer-icon {
  font-weight: bold;
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.answer-icon.correct { color: var(--green); }
.answer-icon.incorrect { color: var(--red); }

/* ===== Leaderboard Tabs ===== */
.leaderboard-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tab-btn {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: var(--gray-light);
  cursor: pointer;
  border-radius: 4px;
  font-weight: bold;
}

.tab-btn.active {
  background: var(--purple);
  color: var(--white);
}

/* ===== Challenge Section ===== */
#challenge-section {
  margin: 1rem 0;
  padding: 1rem;
  background: var(--gray-light);
  border-radius: 6px;
  border: 1px solid var(--purple);
}

.challenge-header {
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: var(--purple);
  font-size: 1.1rem;
}

#challenge-link {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--gray-dark);
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 60px;
  background: var(--white);
  color: var(--gray-dark);
}

#challenge-link:focus {
  outline: 2px solid var(--purple);
  border-color: var(--purple);
}

/* ===== Challenge Results ===== */
#challenge-results {
  margin: 1rem 0;
  padding: 1rem;
  background: var(--white);
  border-radius: 6px;
  border: 1px solid var(--gray-light);
}

#challenge-results p {
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: var(--gray-light);
  border-radius: 4px;
  border-left: 4px solid var(--purple);
}

#challenge-results h3 {
  text-align: center;
  color: var(--green);
  font-size: 1.2rem;
  margin: 1rem 0;
  padding: 0.5rem;
  background: var(--gray-light);
  border-radius: 6px;
}

/* ===== Footer ===== */
.app-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--gray-dark);
  border-top: 2px solid var(--gray-light);
}

/* ===== Mobile Adjustments ===== */
@media (max-width: 600px) {
  .difficulty-buttons { flex-direction: column; }
  
  #challenge-link {
    font-size: 0.8rem;
    min-height: 80px;
  }
  
  .controls {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .controls .btn {
    width: 100%;
  }
}
/* ===== Skip Button Styling Fixes ===== */

/* Fix skip button colors and visibility */
#skip-btn {
  background: var(--orange) !important;
  color: var(--white) !important;
  border: 2px solid var(--red) !important;
  font-weight: bold;
  transition: all 0.3s ease;
}

#skip-btn:hover:enabled {
  background: var(--red) !important;
  color: var(--white) !important;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

#skip-btn:active {
  transform: scale(0.98);
}

/* Enhanced Next Button Wrapper - Fix spacing and mobile overlap */
.next-btn-wrapper {
  text-align: center;
  margin: 1.5rem 0;
  display: flex;
  gap: 1.5rem; /* Increased gap between buttons */
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

/* Ensure buttons have proper spacing on all screen sizes */
.next-btn-wrapper .btn {
  min-width: 140px; /* Minimum width to prevent cramping */
  margin: 0.5rem; /* Additional margin for mobile */
}

/* Mobile-specific fixes */
@media (max-width: 600px) {
  .next-btn-wrapper {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin: 1rem 0;
  }
  
  .next-btn-wrapper .btn {
    width: 100%;
    max-width: 280px;
    margin: 0.25rem 0;
  }
  
  #skip-btn {
    font-size: 0.9rem;
    padding: 0.7rem 1rem;
  }
}

/* Tablet view adjustments */
@media (max-width: 768px) and (min-width: 601px) {
  .next-btn-wrapper {
    gap: 1.2rem;
  }
  
  .next-btn-wrapper .btn {
    min-width: 160px;
  }
}

/* Additional visual enhancements for skip button */
#skip-btn {
  position: relative;
  overflow: hidden;
}

#skip-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

#skip-btn:hover::before {
  left: 100%;
}

/* Warning style for skip button to emphasize penalty */
#skip-btn {
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
}

#skip-btn:hover:enabled {
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.4);
}

/* Ensure proper color variables are defined if missing */
:root {
  --orange: #F97316;
  --red: #DC2626;
  --white: #FFFFFF;
}