/* ═══════════════════════════════════════════════════════
   LEADERBOARD PAGE — AI Model Rankings (Compact)
   Dark luxury design system matching portfolio
═══════════════════════════════════════════════════════ */

/* ─── Section ─── */
.leaderboard-section {
  padding: var(--section-padding);
  min-height: 80vh;
  padding-top: 120px;
}

.leaderboard-updated {
  min-height: 1.4em;
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ─── Tabs ─── */
.leaderboard-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.leaderboard-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.leaderboard-tab i {
  font-size: 1.1rem;
}

.leaderboard-tab:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.leaderboard-tab.active {
  background: linear-gradient(135deg, rgba(0, 229, 160, 0.12), rgba(91, 127, 255, 0.12));
  color: var(--accent);
  border-color: rgba(0, 229, 160, 0.3);
  box-shadow: 0 4px 20px rgba(0, 229, 160, 0.1);
}

/* ─── Tab Content ─── */
.leaderboard-tab-content {
  display: none;
}

.leaderboard-tab-content.active {
  display: block;
  animation: fadeInContent 0.3s ease;
}

@keyframes fadeInContent {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Section Header within Tab ─── */
.leaderboard-section-header {
  text-align: center;
  margin-bottom: 28px;
}

.leaderboard-section-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.leaderboard-section-header p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ─── Leaderboard Grid ─── */
.leaderboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ─── Model Card ─── */
.model-card {
  display: grid;
  grid-template-columns: 44px 44px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius);
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.model-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--card-accent, var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.model-card:hover {
  transform: translateX(3px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

.model-card:hover::before {
  opacity: 1;
}

/* Top 3 special styling */
.model-card.top-1 {
  border-color: rgba(255, 215, 0, 0.25);
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.04), var(--bg-card));
}
.model-card.top-1::before {
  background: #ffd700;
  opacity: 1;
}

.model-card.top-2 {
  border-color: rgba(192, 192, 192, 0.25);
  background: linear-gradient(135deg, rgba(192, 192, 192, 0.04), var(--bg-card));
}
.model-card.top-2::before {
  background: #c0c0c0;
  opacity: 1;
}

.model-card.top-3 {
  border-color: rgba(205, 127, 50, 0.25);
  background: linear-gradient(135deg, rgba(205, 127, 50, 0.04), var(--bg-card));
}
.model-card.top-3::before {
  background: #cd7f32;
  opacity: 1;
}

/* ─── Rank ─── */
.model-rank {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  line-height: 1;
}

.model-card.top-1 .model-rank {
  color: #ffd700;
}
.model-card.top-2 .model-rank {
  color: #c0c0c0;
}
.model-card.top-3 .model-rank {
  color: #cd7f32;
}

/* ─── Logo ─── */
.model-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--logo-bg, var(--bg-glass));
  border: 1px solid var(--border-glass);
  overflow: hidden;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.model-logo img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* ─── Info ─── */
.model-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.model-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-org {
  font-size: 0.76rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.model-description {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ─── Tags ─── */
.model-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.model-tag {
  font-size: 0.65rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.model-tag.highlight {
  background: rgba(0, 229, 160, 0.08);
  border-color: rgba(0, 229, 160, 0.2);
  color: var(--accent);
}

/* ─── Score ─── */
.model-score-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.model-score {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.model-score-bar {
  width: 60px;
  height: 3px;
  background: var(--bg-glass);
  border-radius: 2px;
  overflow: hidden;
}

.model-score-fill {
  height: 100%;
  background: var(--score-color, var(--accent));
  border-radius: 2px;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.model-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ─── Amalio Pick Special ─── */
.model-why {
  font-size: 0.78rem;
  color: var(--accent-blue);
  font-style: italic;
  margin-top: 2px;
  padding: 6px 10px;
  background: rgba(91, 127, 255, 0.05);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent-blue);
}

/* ─── Loading / Error / Empty ─── */
.leaderboard-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 60px 0;
  color: var(--text-secondary);
}

.leaderboard-loading.hidden {
  display: none;
}

.leaderboard-error {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.leaderboard-error i {
  font-size: 2.5rem;
  color: var(--accent-purple);
  margin-bottom: 10px;
}

.leaderboard-error p {
  margin-bottom: 16px;
}

.leaderboard-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.leaderboard-empty i {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .leaderboard-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 768px) {
  .leaderboard-section {
    padding: 100px 5% 50px;
  }

  .leaderboard-tabs {
    gap: 6px;
    margin-bottom: 24px;
  }

  .leaderboard-tab {
    padding: 10px 16px;
    font-size: 0.82rem;
  }

  .model-card {
    grid-template-columns: 40px 40px 1fr;
    gap: 10px;
    padding: 12px 14px;
  }

  .model-score-col {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid var(--border-glass);
    margin-top: 2px;
  }

  .model-rank {
    font-size: 1rem;
  }

  .model-logo {
    width: 36px;
    height: 36px;
  }

  .model-name {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .leaderboard-tab {
    flex: 1;
    justify-content: center;
    padding: 10px 12px;
    font-size: 0.78rem;
  }

  .leaderboard-tab span {
    display: none;
  }

  .leaderboard-tab i {
    font-size: 1.3rem;
  }

  .leaderboard-tab.active span {
    display: inline;
  }

  .model-card {
    grid-template-columns: 32px 32px 1fr;
    gap: 8px;
    padding: 12px;
  }

  .model-logo {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }

  .model-score {
    font-size: 1rem;
  }
}