/* ===== New Features Styles ===== */
/* Quests, Shop, Leaderboard, Battles, Eco Footprint, Themes */

/* ===== Quests Screen ===== */
.streak-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  border-radius: var(--radius-full);
  color: white;
  font-weight: 600;
  font-size: 14px;
}

.streak-icon {
  font-size: 18px;
  animation: flame 1s ease-in-out infinite;
}

@keyframes flame {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.quests-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quest-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: var(--transition);
}

.quest-card.completed {
  border-color: var(--primary);
  opacity: 0.8;
}

.quest-icon {
  font-size: 40px;
  flex-shrink: 0;
}

.quest-info {
  flex: 1;
}

.quest-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.quest-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.quest-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quest-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quest-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

.quest-progress-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.quest-reward {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.reward-item {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.quest-badge {
  padding: 6px 12px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

/* ===== Shop Screen ===== */
.ecocoins-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: linear-gradient(135deg, #ffd700, #ffed4e);
  border-radius: var(--radius-full);
  color: #333;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.coin-icon {
  font-size: 18px;
  animation: coin-spin 2s ease-in-out infinite;
}

@keyframes coin-spin {
  0%, 100% { transform: rotateY(0deg); }
  50% { transform: rotateY(180deg); }
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (min-width: 640px) {
  .shop-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.shop-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  transition: var(--transition);
}

.shop-item.unlocked {
  border-color: var(--primary);
}

.shop-item.active {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.1));
}

.shop-item-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.shop-item-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  text-align: center;
}

.btn-shop-item {
  width: 100%;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-shop-item:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.btn-shop-item.active {
  background: var(--bg-tertiary);
  color: var(--primary);
  cursor: default;
}

.btn-shop-item.locked {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.5;
}

/* ===== Leaderboard Screen ===== */
.leaderboard-select {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.leaderboard-item.current-user {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(16, 185, 129, 0.05));
}

.leaderboard-rank {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-secondary);
  min-width: 40px;
  text-align: center;
}

.leaderboard-avatar {
  font-size: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius);
}

.leaderboard-info {
  flex: 1;
}

.leaderboard-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.leaderboard-stats {
  font-size: 12px;
  color: var(--text-secondary);
}

.leaderboard-points {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

/* ===== Battles Screen ===== */
.battle-card {
  padding: 24px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.1));
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.battle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.battle-header h3 {
  font-size: 20px;
  font-weight: 700;
}

.battle-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: #333;
}

.timer-icon {
  font-size: 16px;
}

.battle-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.battle-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.battle-prize {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: rgba(255, 215, 0, 0.2);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.prize-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.prize-value {
  font-size: 16px;
  font-weight: 700;
  color: #333;
}

.battle-leaderboard {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.battle-rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.rank-badge {
  font-size: 24px;
  min-width: 40px;
  text-align: center;
}

.rank-name {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
}

.rank-score {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

/* ===== Eco Footprint ===== */
.ecocoins-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 237, 78, 0.1));
  pointer-events: none;
  border: 2px solid #ffd700;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
}

.ecocoins-card .btn {
  pointer-events: auto;
}

.ecocoins-icon {
  font-size: 48px;
}

.ecocoins-info {
  flex: 1;
}

.ecocoins-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.ecocoins-value {
  font-size: 28px;
  font-weight: 700;
  color: #333;
}

.eco-footprint-card {
  padding: 20px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.1));
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 20px;
  /* FIXED: Ensure touch events work on Safari iPhone */
  -webkit-tap-highlight-color: rgba(34, 197, 94, 0.2);
  touch-action: manipulation;
  pointer-events: auto;
  position: relative;
  z-index: 1;
}

.eco-footprint-card:hover,
.eco-footprint-card:active {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.footprint-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.footprint-card-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.footprint-preview {
  display: flex;
  gap: 24px;
}

.footprint-preview-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.footprint-preview-item span:first-child {
  font-size: 24px;
}

.footprint-hero {
  text-align: center;
  padding: 32px 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  color: white;
}

.footprint-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.footprint-hero h2 {
  font-size: 24px;
  font-weight: 700;
}

.footprint-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.footprint-card {
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  text-align: center;
}

.footprint-card-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.footprint-card-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.footprint-card-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== Eco Fact Toast (FIXED: Below navbar) ===== */
.eco-fact-toast {
  position: fixed;
  top: 70px; /* Below navbar */
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  max-width: 90%;
  width: auto;
  max-width: 400px;
  background: linear-gradient(135deg, #22c55e, #10b981);
  color: white;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 16px rgba(34, 197, 94, 0.3);
  z-index: 9998; /* Below navbar but above content */
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.eco-fact-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.eco-fact-toast .eco-fact-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.eco-fact-toast .eco-fact-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.eco-fact-toast .eco-fact-text {
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
}

/* ===== Eco Fact Modal ===== */
.eco-fact-content {
  max-width: 360px;
  padding: 32px 24px;
  text-align: center;
  border-radius: var(--radius-xl);
}

.eco-fact-modal .eco-fact-icon {
  font-size: 64px;
  margin-bottom: 16px;
  animation: grow 0.5s ease;
}

@keyframes grow {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

.eco-fact-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--primary);
}

.eco-fact-modal .eco-fact-text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ===== Loading State ===== */
.loading-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.loading-state::after {
  content: '...';
  animation: dots 1.5s steps(3, end) infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* ===== Theme Support ===== */
[data-theme="dark"] {
  --bg-primary: #1f2937;
  --bg-secondary: #111827;
  --bg-tertiary: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-tertiary: #9ca3af;
  --border: #374151;
}

[data-theme="nature"] {
  --primary: #059669;
  --primary-dark: #047857;
  --secondary: #10b981;
  --bg-primary: #f0fdf4;
  --bg-secondary: #dcfce7;
  --bg-tertiary: #bbf7d0;
}

[data-theme="ocean"] {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --secondary: #06b6d4;
  --bg-primary: #f0f9ff;
  --bg-secondary: #e0f2fe;
  --bg-tertiary: #bae6fd;
}

[data-theme="sunset"] {
  --primary: #ea580c;
  --primary-dark: #c2410c;
  --secondary: #f59e0b;
  --bg-primary: #fff7ed;
  --bg-secondary: #ffedd5;
  --bg-tertiary: #fed7aa;
}

/* ===== Responsive Navigation ===== */
@media (max-width: 640px) {
  .bottom-nav {
    padding: 4px;
  }

  .nav-item {
    padding: 6px 4px;
    font-size: 11px;
  }

  .nav-item svg {
    width: 20px;
    height: 20px;
  }

  .nav-item span {
    font-size: 10px;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Print Styles ===== */
@media print {
  .bottom-nav,
  .btn,
  .scanner-controls {
    display: none !important;
  }
}