.arena-page {
  display: grid;
  gap: 18px;
  min-width: 0;
}
.arena-page [hidden] {
  display: none !important;
}
.arena-page .arena-banner {
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  margin: 0;
  border-radius: 12px;
}
.arena-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.arena-metrics > div {
  display: grid;
  gap: 5px;
  padding-left: 20px;
  border-left: 1px solid var(--border);
}
.arena-metrics span {
  font-size: 12px;
  color: var(--muted-foreground);
}
.arena-metrics strong {
  font-size: 25px;
  font-variant-numeric: tabular-nums;
}
.arena-metrics small {
  font-size: 13px;
  font-weight: 400;
}
.arena-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
}
.arena-nav button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 8px;
  border-radius: 6px;
  color: var(--muted-foreground);
  font-size: 14px;
  cursor: pointer;
}
.arena-nav button[aria-current],
.arena-nav button:hover {
  background: #284238;
  color: #d8ecb5;
}
.arena-page button:focus-visible,
.arena-page summary:focus-visible {
  outline: 2px solid #b7d98a;
  outline-offset: 3px;
}
.arena-challenges h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}
.arena-challenge-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.arena-challenge-summary > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.arena-challenge-summary span {
  color: var(--muted-foreground);
}
.arena-notice {
  padding: 12px;
  margin-bottom: 12px;
  background: #443b24;
  color: #ecd398;
  border-radius: 8px;
  font-size: 13px;
}
.arena-page .arena-mon-details {
  margin: 4px 0;
}
.arena-mon-details summary {
  cursor: pointer;
  font-size: 11px;
  color: var(--muted-foreground);
}
.arena-rules {
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}
.arena-rules summary {
  cursor: pointer;
}
.arena-rules p {
  margin-top: 10px;
  line-height: 1.8;
}
.arena-result {
  padding: 4px 7px;
  border-radius: 4px;
}
.arena-result.win {
  color: #b8dfa4;
  background: #29432e;
}
.arena-result.loss {
  color: #f0b4ae;
  background: #492d2d;
}
.arena-result.draw {
  color: #ded0a5;
  background: #403b2a;
}
.arena-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border, #dce5dc);
  border-radius: 10px;
  background: var(--card, #fff);
}
.arena-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.arena-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.arena-heading h4 {
  font-weight: 700;
}
.arena-candidates,
.arena-history {
  display: grid;
  gap: 10px;
}
.arena-opponent {
  border: 1px solid var(--border, #dce5dc);
  border-radius: 12px;
  padding: 14px;
}
.arena-opponent-row {
  display: grid;
  grid-template-columns: 24px minmax(100px, 1fr) minmax(130px, 1fr) 100px auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
}
.arena-opponent-index {
  color: var(--muted-foreground);
  font-size: 13px;
}
.arena-opponent-name {
  min-width: 0;
  overflow-wrap: anywhere;
}
.arena-opponent-name small,
.arena-opponent-power small {
  color: var(--muted-foreground);
  font-size: 11px;
}
.arena-opponent-lineup {
  display: flex;
  gap: 6px;
}
.arena-opponent-lineup > span {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
}
.arena-page .arena-list-sprite {
  width: 40px;
  height: 40px;
  min-width: 0;
}
.arena-opponent-power {
  display: grid;
  gap: 2px;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.arena-page .arena-opponent-detail {
  grid-column: 2 / -1;
  margin: 0;
  font-size: 12px;
}
.arena-opponent-detail summary {
  cursor: pointer;
  color: var(--muted-foreground);
}
.arena-opponent-detail .arena-team {
  padding-top: 12px;
}
@media (max-width: 700px) {
  .arena-opponent-row {
    grid-template-columns: 18px minmax(0, 1fr) auto;
    gap: 8px;
    padding: 12px 10px;
  }
  .arena-opponent-lineup {
    grid-column: 2;
    grid-row: 2;
  }
  .arena-opponent-power {
    grid-column: 3;
    grid-row: 2;
  }
  .arena-opponent-row > .btn {
    grid-column: 3;
    grid-row: 1;
  }
}
.arena-opponent > .arena-heading {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.arena-opponent h4 {
  font-size: 15px;
}
.arena-opponent .arena-heading p {
  font-size: 12px;
  color: var(--muted-foreground);
  margin-top: 4px;
}
.arena-empty .btn {
  display: block;
  margin-top: 14px;
}
.arena-team {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.arena-mon {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 1 1 220px;
  min-width: 0;
}
.arena-mon small {
  display: block;
  font-size: 11px;
  opacity: 0.75;
  overflow-wrap: anywhere;
}
.arena-mon strong {
  font-size: 13px;
}
.arena-sprite {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.arena-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
.arena-reports {
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.6fr);
}
.arena-empty {
  padding: 24px 0;
  color: var(--muted-foreground, #617366);
}
.arena-history-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border, #dce5dc);
  border-radius: 10px;
  text-align: left;
  font-size: 13px;
  overflow-wrap: anywhere;
}
button.arena-history-row:hover,
.arena-history-row.selected {
  background: #284238;
  color: var(--foreground, #e4ede6);
}
.arena-history-row small {
  width: 100%;
  opacity: 0.7;
}
.arena-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 12px 0;
}
.arena-controls select {
  border: 1px solid var(--border, #dce5dc);
  border-radius: 5px;
  padding: 4px;
}
.arena-page details {
  margin-top: 14px;
}
.arena-formation {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  min-width: 0;
}
.arena-formation legend {
  font-weight: 700;
  padding: 0 8px 0 0;
}
.arena-formation-slot {
  display: flex;
  gap: 10px;
  align-items: end;
  margin: 12px 0;
}
.arena-formation-slot label {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
}
.arena-formation-slot select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 6px;
  background: var(--background);
  color: var(--foreground);
}
.arena-formation-order {
  display: flex;
  gap: 4px;
}
@media (max-width: 560px) {
  .arena-formation-slot {
    align-items: stretch;
    flex-direction: column;
  }
  .arena-formation-order {
    justify-content: flex-end;
  }
}
@media (max-width: 900px) {
  .arena-page .arena-banner {
    flex-wrap: wrap;
  }
  .arena-metrics {
    width: 100%;
    gap: 12px;
  }
  .arena-columns {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .arena-page {
    gap: 12px;
  }
  .arena-page .arena-banner {
    padding: 16px;
  }
  .arena-metrics {
    gap: 6px;
  }
  .arena-metrics > div {
    padding-left: 8px;
  }
  .arena-metrics strong {
    font-size: 21px;
  }
  .arena-metrics span {
    font-size: 10px;
  }
  .arena-challenge-summary {
    flex-wrap: wrap;
  }
  .arena-opponent .arena-heading .btn {
    width: auto;
    min-width: 76px;
  }
  .arena-mon {
    flex-basis: 100%;
  }
  .arena-card {
    padding: 14px;
  }
  .arena-page .arena-banner {
    flex-wrap: wrap;
    gap: 14px;
  }
  .arena-heading .btn {
    width: 100%;
  }
}