/**
 * Leaderboard CSS
 * 포인트 리더보드 페이지 스타일 (Design Guide v2.0)
 */

/* Body */
body {
  background-color: var(--bg);
  max-width: 1280px;
  margin: 0 auto;
}

/* Loading & Error */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  gap: var(--spacing-md);
}

.error-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  text-align: center;
}

.error-icon {
  font-size: 64px;
  color: var(--danger);
}

/* Main Content */
.main-content {
  padding: var(--spacing-md);
}

/* Period Tabs */
.leaderboard-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 4px;
  box-shadow: var(--shadow-1);
}

.leaderboard-tab {
  flex: 1;
  padding: 10px var(--spacing-md);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.leaderboard-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-1);
}

.leaderboard-tab:hover:not(.active) {
  color: var(--text-primary);
  background: var(--primary-light);
}

/* Podium (Top 3) */
.leaderboard-podium {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-sm);
}

.podium-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.podium-item:hover {
  transform: translateY(-4px);
}

.podium-item--1 {
  order: 2;
}

.podium-item--2 {
  order: 1;
}

.podium-item--3 {
  order: 3;
}

.podium-avatar {
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.podium-avatar__img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border-light);
}

.podium-item--1 .podium-avatar__img {
  width: 72px;
  height: 72px;
  border-color: #FFD700;
}

.podium-item--2 .podium-avatar__img {
  border-color: #C0C0C0;
}

.podium-item--3 .podium-avatar__img {
  border-color: #CD7F32;
}

.podium-avatar__placeholder {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 3px solid var(--border-light);
}

.podium-item--1 .podium-avatar__placeholder {
  width: 72px;
  height: 72px;
  font-size: 24px;
  border-color: #FFD700;
}

.podium-item--2 .podium-avatar__placeholder {
  border-color: #C0C0C0;
}

.podium-item--3 .podium-avatar__placeholder {
  border-color: #CD7F32;
}

.podium-medal {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  box-shadow: var(--shadow-1);
}

.podium-item--1 .podium-medal {
  background: #FFD700;
  color: #7A6200;
}

.podium-item--2 .podium-medal {
  background: #C0C0C0;
  color: #555;
}

.podium-item--3 .podium-medal {
  background: #CD7F32;
  color: #fff;
}

.podium-nickname {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.podium-points {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.podium-bar {
  width: 80px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin-top: var(--spacing-sm);
}

.podium-item--1 .podium-bar {
  height: 80px;
  background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
}

.podium-item--2 .podium-bar {
  height: 56px;
  background: linear-gradient(180deg, #E0E0E0 0%, #C0C0C0 100%);
}

.podium-item--3 .podium-bar {
  height: 40px;
  background: linear-gradient(180deg, #DEB887 0%, #CD7F32 100%);
}

/* Ranking List */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.leaderboard-item:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.leaderboard-rank {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.leaderboard-rank--gold {
  color: #B8860B;
}

.leaderboard-rank--silver {
  color: #808080;
}

.leaderboard-rank--bronze {
  color: #CD7F32;
}

.leaderboard-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.leaderboard-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.leaderboard-info {
  flex: 1;
  min-width: 0;
}

.leaderboard-nickname {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-points {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.leaderboard-points-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: 400;
  margin-left: 2px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 64px;
  opacity: 0.5;
  margin-bottom: var(--spacing-md);
}

.empty-state p {
  font-size: var(--font-size-base);
}

/* Responsive */
@media (min-width: 768px) {
  .main-content {
    padding: var(--spacing-lg);
  }

  .leaderboard-tabs {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .podium-bar {
    width: 100px;
  }

  .podium-item--1 .podium-bar {
    height: 100px;
  }

  .podium-item--2 .podium-bar {
    height: 72px;
  }

  .podium-item--3 .podium-bar {
    height: 52px;
  }

  .podium-item--1 .podium-avatar__img,
  .podium-item--1 .podium-avatar__placeholder {
    width: 80px;
    height: 80px;
  }

  .podium-nickname {
    max-width: 100px;
  }
}

@media (max-width: 374px) {
  .leaderboard-podium {
    gap: var(--spacing-sm);
  }

  .podium-bar {
    width: 64px;
  }

  .podium-avatar__img,
  .podium-avatar__placeholder {
    width: 48px;
    height: 48px;
  }

  .podium-item--1 .podium-avatar__img,
  .podium-item--1 .podium-avatar__placeholder {
    width: 60px;
    height: 60px;
  }

  .podium-nickname {
    font-size: var(--font-size-xs);
    max-width: 64px;
  }
}