/* Gamification Styles - Badges, Levels, XP, Streaks */

/* ==================== BADGES ==================== */

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 1rem;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.badge-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.badge-item.locked {
  opacity: 0.5;
  filter: grayscale(1);
}

.badge-emoji {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.badge-name {
  font-size: 0.75rem;
  color: #f8fafc;
  text-align: center;
  font-weight: 500;
}

.badge-item.locked .badge-emoji::before {
  content: '?';
  font-size: 2rem;
}

/* Badge Rarity Borders */
.badge-item.rarity-common {
  border: 2px solid rgba(156, 163, 175, 0.3);
}

.badge-item.rarity-uncommon {
  border: 2px solid rgba(34, 197, 94, 0.3);
}

.badge-item.rarity-rare {
  border: 2px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.badge-item.rarity-epic {
  border: 2px solid rgba(168, 85, 247, 0.3);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
}

.badge-item.rarity-legendary {
  border: 2px solid rgba(245, 158, 11, 0.3);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
  animation: legendary-glow 2s ease-in-out infinite;
}

.badge-item.rarity-limited {
  border: 2px solid rgba(236, 72, 153, 0.3);
  box-shadow: 0 0 15px rgba(236, 72, 153, 0.3);
}

@keyframes legendary-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.3); }
  50% { box-shadow: 0 0 30px rgba(245, 158, 11, 0.5); }
}

/* Badge Rarity Labels */
.badge-rarity {
  font-size: 0.625rem;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  margin-top: 0.25rem;
  text-transform: uppercase;
  font-weight: 600;
}

.badge-rarity.common { background: rgba(156, 163, 175, 0.2); color: #9ca3af; }
.badge-rarity.uncommon { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.badge-rarity.rare { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }
.badge-rarity.epic { background: rgba(168, 85, 247, 0.2); color: #a855f7; }
.badge-rarity.legendary { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.badge-rarity.limited { background: rgba(236, 72, 153, 0.2); color: #ec4899; }

/* ==================== LEVELS ==================== */

.level-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
}

.level-number {
  font-weight: 700;
}

.level-name {
  font-size: 0.75rem;
  color: #94a3b8;
}

/* XP Bar */
.xp-bar-container {
  width: 100%;
  margin-top: 0.5rem;
}

.xp-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  color: #94a3b8;
}

.xp-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  border-radius: 4px;
  transition: width 0.5s ease;
  position: relative;
}

.xp-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: xp-shimmer 2s infinite;
}

@keyframes xp-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.xp-bar-text {
  font-size: 0.75rem;
  color: #f8fafc;
  font-weight: 500;
}

/* ==================== STREAKS ==================== */

.streak-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 1rem;
}

.streak-fire {
  font-size: 1.5rem;
}

.streak-count {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f59e0b;
}

.streak-label {
  font-size: 0.875rem;
  color: #94a3b8;
}

/* Streak Week Display */
.streak-week {
  display: flex;
  justify-content: space-around;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  margin-top: 1rem;
}

.streak-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.streak-day-name {
  font-size: 0.75rem;
  color: #94a3b8;
}

.streak-day-icon {
  font-size: 1.25rem;
}

.streak-day.completed .streak-day-icon {
  color: #f59e0b;
}

.streak-day.today {
  position: relative;
}

.streak-day.today::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: #6366f1;
  border-radius: 50%;
}

.streak-day.future .streak-day-icon {
  opacity: 0.3;
}

/* Streak Colors */
.streak-none .streak-count { color: #94a3b8; }
.streak-common .streak-count { color: #f59e0b; }
.streak-rare .streak-count { color: #f97316; }
.streak-epic .streak-count { color: #ef4444; }
.streak-legendary .streak-count {
  color: #ef4444;
  text-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

/* ==================== PROFILE CARD ==================== */

.profile-card {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 1.5rem;
  padding: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 0.25rem;
}

.profile-level {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Profile Stats Grid */
.profile-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-icon {
  font-size: 1.25rem;
}

.stat-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: #f8fafc;
}

.stat-label {
  font-size: 0.75rem;
  color: #94a3b8;
}

/* ==================== STATS ==================== */

.gamification-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.gamification-stat {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
}

.gamification-stat-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.gamification-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f8fafc;
}

.gamification-stat-label {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

/* ==================== LOGIN PROMPT BANNER ==================== */

.login-prompt-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 1rem;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem 0;
}

.login-prompt-text {
  color: #f8fafc;
  font-size: 0.875rem;
}

.login-prompt-text strong {
  color: #a5b4fc;
}

.login-prompt-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s ease;
}

.login-prompt-btn:hover {
  transform: translateY(-1px);
}

/* ==================== HEADER PROFILE ==================== */

.header-profile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.header-profile:hover {
  background: rgba(255, 255, 255, 0.2);
}

.header-level {
  font-size: 0.75rem;
  font-weight: 600;
  color: #a5b4fc;
}

.header-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.header-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

/* ==================== INVITE SECTION ==================== */

.invite-section {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1rem;
  padding: 1.5rem;
}

.invite-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #f8fafc;
  margin-bottom: 0.5rem;
}

.invite-subtitle {
  font-size: 0.875rem;
  color: #94a3b8;
  margin-bottom: 1rem;
}

.invite-link-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.invite-link-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  padding: 0.75rem;
  color: #f8fafc;
  font-size: 0.875rem;
}

.invite-copy-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border: none;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.invite-copy-btn:hover {
  transform: translateY(-1px);
}

.invite-share-buttons {
  display: flex;
  gap: 0.5rem;
}

.invite-share-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s ease;
  border: none;
}

.invite-share-btn:hover {
  transform: translateY(-1px);
}

.invite-share-btn.kakao {
  background: #fee500;
  color: #000;
}

.invite-share-btn.line {
  background: #06c755;
  color: #fff;
}

.invite-share-btn.copy {
  background: rgba(255, 255, 255, 0.1);
  color: #f8fafc;
}

.invite-stats {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.invite-stat {
  display: flex;
  flex-direction: column;
}

.invite-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f8fafc;
}

.invite-stat-label {
  font-size: 0.75rem;
  color: #94a3b8;
}

/* ==================== ANIMATIONS ==================== */

.bounce-animation {
  animation: bounce 1s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.scale-animation {
  animation: scaleIn 0.5s ease;
}

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

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

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

/* ==================== RESPONSIVE ==================== */

@media (max-width: 640px) {
  .badge-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .profile-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .gamification-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .invite-share-buttons {
    flex-wrap: wrap;
  }

  .invite-share-btn {
    flex: 1 1 calc(50% - 0.25rem);
  }
}