*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: #fff;
  color: #000;
  min-height: 100vh;
  padding: 48px 24px 64px;
}

/* ── Title ── */
h1 {
  text-align: center;
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 56px;
}

/* ── Layout ── */
main {
  display: flex;
  align-items: flex-start;
  gap: 56px;
  max-width: 960px;
  margin: 0 auto;
}

/* ── Battle area ── */
.battle {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.pokemon-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 20px;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: border-color 0.15s, transform 0.15s;
  user-select: none;
}

.pokemon-card:hover {
  border-color: #000;
  transform: scale(1.04);
}

.pokemon-card.selected {
  border-color: #000;
  background: #f5f5f5;
}

.img-wrap {
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: opacity 0.2s;
}

.img-wrap img.loading {
  opacity: 0;
}

.poke-name {
  margin-top: 14px;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-align: center;
  text-transform: capitalize;
}

.vs {
  font-size: 1.25rem;
  font-weight: 400;
  color: #bbb;
  flex-shrink: 0;
}

/* ── Leaderboard ── */
.leaderboard {
  width: 220px;
  flex-shrink: 0;
}

.leaderboard h2 {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  padding-bottom: 10px;
  border-bottom: 2px solid #000;
  margin-bottom: 16px;
}

#lb-list {
  list-style: none;
}

#lb-list .empty {
  font-size: 0.8rem;
  color: #aaa;
}

#lb-list li.entry {
  padding: 8px 0;
  border-bottom: 1px solid #ebebeb;
}

.entry-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 5px;
}

.entry-rank {
  font-size: 0.7rem;
  color: #aaa;
  margin-right: 5px;
  min-width: 16px;
}

.entry-name {
  font-size: 0.82rem;
  font-weight: 400;
  text-transform: capitalize;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-pct {
  font-size: 0.78rem;
  color: #555;
  flex-shrink: 0;
  margin-left: 6px;
}

.bar-track {
  height: 3px;
  background: #ebebeb;
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: #000;
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* ── Loading overlay ── */
#loading {
  position: fixed;
  inset: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  z-index: 10;
}

/* ── Responsive: stack on small screens ── */
@media (max-width: 680px) {
  main {
    flex-direction: column;
    align-items: stretch;
  }

  .leaderboard {
    width: 100%;
    border-top: 2px solid #000;
    padding-top: 32px;
    margin-top: 8px;
  }

  .battle {
    gap: 12px;
  }

  .img-wrap {
    width: 130px;
    height: 130px;
  }
}