/* ===== Ranking Page - Mature Professional Design ===== */

:root {
  --primary-blue: #1E40AF;
  --primary-dark: #1E3A8A;
  --gold: #D97706;
  --silver: #64748B;
  --bronze: #92400E;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #64748B;
  --bg-light: #F8FAFC;
  --border-color: #E2E8F0;
}

.ranking-page {
  min-height: 100vh;
  background: #FFFFFF;
}

/* ===== Scroll Animations ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Hero Section ===== */
.ranking-hero {
  position: relative;
  background: linear-gradient(180deg, #F1F5F9 0%, #FFFFFF 100%);
  padding: 100px 0 50px;
  overflow: hidden;
}

.hero-decoration {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(30, 64, 175, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ranking-hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-content {
  text-align: center;
  margin-bottom: 40px;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.hero-content p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Stats Row */
.stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 24px 32px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  max-width: 700px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stat-value {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-item.highlight .stat-value {
  color: var(--primary-blue);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-color);
}

/* ===== Ranking Content ===== */
.ranking-content {
  padding: 50px 0 80px;
  background: white;
}

.ranking-content .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Podium Section ===== */
.podium-section {
  margin-bottom: 60px;
}

.podium-wrapper {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.podium-place {
  flex: 1;
  max-width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform 0.2s ease;
}

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

.podium-user {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  z-index: 2;
  position: relative;
}

.podium-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid white;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-tertiary);
}

.podium-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.podium-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

.podium-score {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.podium-stand {
  width: 100%;
  background: linear-gradient(180deg, #F1F5F9 0%, #E2E8F0 100%);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  border: 2px solid var(--border-color);
  border-bottom: none;
  position: relative;
}

.stand-rank {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-tertiary);
  opacity: 0.25;
}

/* First Place */
.podium-place.first {
  order: 2;
}

.podium-place.first .podium-avatar {
  width: 80px;
  height: 80px;
  border-color: var(--gold);
  box-shadow: 0 4px 16px rgba(217, 119, 6, 0.25);
}

.podium-place.first .podium-stand {
  height: 160px;
  background: linear-gradient(180deg, #FEF3C7 0%, #FDE68A 100%);
  border-color: var(--gold);
}

.podium-place.first .stand-rank {
  color: var(--gold);
  opacity: 1;
}

.crown-icon {
  position: absolute;
  top: -16px;
  font-size: 2rem;
  z-index: 3;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* Second Place */
.podium-place.second {
  order: 1;
}

.podium-place.second .podium-avatar {
  border-color: var(--silver);
  box-shadow: 0 3px 10px rgba(100, 116, 139, 0.25);
}

.podium-place.second .podium-stand {
  height: 120px;
  background: linear-gradient(180deg, #F1F5F9 0%, #E2E8F0 100%);
  border-color: var(--silver);
}

.podium-place.second .stand-rank {
  color: var(--silver);
  opacity: 1;
}

/* Third Place */
.podium-place.third {
  order: 3;
}

.podium-place.third .podium-avatar {
  border-color: var(--bronze);
  box-shadow: 0 3px 10px rgba(146, 64, 14, 0.25);
}

.podium-place.third .podium-stand {
  height: 80px;
  background: linear-gradient(180deg, #FED7AA 0%, #FDBA74 100%);
  border-color: var(--bronze);
}

.podium-place.third .stand-rank {
  color: var(--bronze);
  opacity: 1;
}

/* User's own ranking highlight */
.podium-place.is-me .podium-avatar {
  border-color: var(--primary-blue);
  box-shadow: 0 4px 16px rgba(30, 64, 175, 0.35);
}

.podium-place.is-me .podium-name {
  color: var(--primary-blue);
}

/* ===== Leaderboard Section ===== */
.leaderboard-section {
  max-width: 900px;
  margin: 0 auto;
}

.nearby-section {
  margin: 0 auto 32px;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: #f8fafc;
}

.nearby-section .leaderboard-header {
  margin-top: 10px;
}

.nearby-section .table-row.is-me {
  background: #eef2ff;
}

.leaderboard-header {
  display: grid;
  grid-template-columns: 60px 1fr 120px;
  align-items: center;
  gap: 12px;
  padding: 0 16px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-primary);
}

.update-time {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Leaderboard Table */
.leaderboard-table {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.table-row {
  display: grid;
  grid-template-columns: 60px 1fr 120px;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: 0;
  transition: background-color 0.2s ease;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.table-row:nth-child(2n) {
  background: rgba(15, 23, 42, 0.02);
}

.table-row:hover {
  background: rgba(30, 64, 175, 0.06);
}

.table-row.is-me {
  background: rgba(30, 64, 175, 0.12);
}

/* Rank Column */
.row-rank {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-number {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.table-row.is-me .rank-number {
  color: var(--primary-blue);
}

/* User Column */
.row-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.user-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.me-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  background: var(--primary-blue);
  color: white;
  font-size: 0.625rem;
  font-weight: 700;
  border-radius: 3px;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

/* Score Column */
.row-score {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
}

.score-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.table-row.is-me .score-value {
  color: var(--primary-blue);
}

.rank-delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.rank-delta.up {
  color: #2563eb;
}

.rank-delta.down {
  color: #dc2626;
}

.rank-delta .delta-icon {
  font-size: 0.7rem;
  line-height: 1;
}

.rank-delta .delta-value {
  font-variant-numeric: tabular-nums;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-tertiary);
}

.empty-state p {
  font-size: 0.9375rem;
  margin: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .ranking-hero {
    padding: 70px 0 35px;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .hero-content p {
    font-size: 0.875rem;
  }

  .stats-row {
    flex-direction: column;
    gap: 20px;
    padding: 20px 24px;
  }

  .stat-divider {
    width: 100%;
    height: 1px;
  }

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

  .podium-wrapper {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .podium-place {
    max-width: 100%;
    width: 100%;
  }

  .podium-place.first,
  .podium-place.second,
  .podium-place.third {
    order: 0;
  }

  .podium-stand {
    height: auto !important;
    min-height: 60px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .section-header h2 {
    font-size: 1.25rem;
  }

  .table-row {
    grid-template-columns: 50px 1fr;
    gap: 10px;
    padding: 10px 12px;
  }

  .leaderboard-header {
    grid-template-columns: 50px 1fr;
    gap: 10px;
    padding: 0 12px 6px;
  }

  .leaderboard-header .header-score {
    grid-column: 2 / 3;
    margin-top: 2px;
  }

  .row-score {
    grid-column: 2 / 3;
    justify-content: flex-start;
    margin-top: 2px;
  }

  .rank-number {
    font-size: 0.875rem;
  }

  .user-avatar {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
  }

  .user-name {
    font-size: 0.8125rem;
  }

  .score-value {
    font-size: 0.9375rem;
  }

  .podium-avatar {
    width: 56px;
    height: 56px;
  }

  .podium-place.first .podium-avatar {
    width: 64px;
    height: 64px;
  }

  .podium-name {
    font-size: 0.875rem;
  }

  .podium-score {
    font-size: 1.125rem;
  }

  .crown-icon {
    font-size: 1.75rem;
    top: -14px;
  }
}

@media (max-width: 480px) {
  .ranking-content {
    padding: 35px 0 50px;
  }

  .podium-section {
    margin-bottom: 50px;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .stat-value {
    font-size: 1.375rem;
  }

  .section-header h2 {
    font-size: 1.125rem;
  }

  .update-time {
    font-size: 0.75rem;
  }
}