/* PayPort Agent Arena — Protocol 9 */

@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap");

.arena {
  --arena-ink: #e8f0ec;
  --arena-muted: #8aa396;
  --arena-line: rgba(120, 180, 150, 0.22);
  --arena-felt: #0d1f18;
  --arena-felt-2: #143528;
  --arena-accent: #3dd68c;
  --arena-warn: #d4b06a;
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--arena-ink);
  margin: -2.5rem -1rem 0;
  padding: 2.5rem 1rem 3rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(61, 214, 140, 0.12), transparent 55%),
    linear-gradient(180deg, #07140f 0%, #0a1210 40%, #0b1012 100%);
}

@media (min-width: 640px) {
  .arena {
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding-left: max(1.5rem, calc(50vw - 32rem));
    padding-right: max(1.5rem, calc(50vw - 32rem));
  }
}

.arena__hero {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.arena__eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--arena-accent);
  margin: 0 0 0.75rem;
}

.arena__badge {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--arena-warn);
  border: 1px solid rgba(212, 176, 106, 0.45);
  padding: 0.25rem 0.55rem;
  margin: 0 0 0.85rem;
  font-family: "JetBrains Mono", monospace;
}

.arena__title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 0.75rem;
}

.arena__lede {
  font-size: 1.1rem;
  color: var(--arena-muted);
  margin: 0;
  max-width: 36rem;
}

.arena__disclosure {
  font-size: 0.85rem;
  color: var(--arena-warn);
  border-left: 2px solid var(--arena-warn);
  padding-left: 0.75rem;
  margin: 1.25rem 0 0;
  max-width: 40rem;
}

.arena__connection {
  color: var(--arena-accent);
}

.arena__stage {
  border: 1px solid var(--arena-line);
  border-radius: 0;
  padding: 1.25rem;
  background:
    linear-gradient(160deg, var(--arena-felt-2), var(--arena-felt));
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.35);
}

.arena__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
}

.arena__meta-label {
  display: block;
  color: var(--arena-muted);
  margin-bottom: 0.2rem;
}

.arena__meta-value {
  color: var(--arena-ink);
}

.arena__table {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 768px) {
  .arena__table {
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
  }
}

.arena__side {
  transition: opacity 280ms ease, filter 280ms ease;
}

.arena__agent {
  margin: 0 0 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
}

.arena__agent-img {
  width: 6.5rem;
  height: 6.5rem;
  object-fit: cover;
  border: 1px solid var(--arena-line);
  box-shadow: 0 0 0 1px rgba(61, 214, 140, 0.08), 0 0 28px rgba(61, 214, 140, 0.12);
  animation: arena-breathe 3.6s ease-in-out infinite;
}

@media (min-width: 768px) {
  .arena__agent-img {
    width: 8.75rem;
    height: 8.75rem;
  }
}

.arena__agent figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.arena__agent-name {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--arena-ink);
  font-weight: 600;
}

.arena__agent-role {
  font-size: 0.72rem;
  color: var(--arena-muted);
  font-family: "JetBrains Mono", monospace;
}

.arena__side--win .arena__agent-img {
  box-shadow: 0 0 0 1px rgba(61, 214, 140, 0.45), 0 0 36px rgba(61, 214, 140, 0.35);
  transform: scale(1.04);
  animation: none;
}

.arena__side--win .arena__agent-name {
  color: var(--arena-accent);
}

.arena__side--lose {
  opacity: 0.55;
  filter: saturate(0.75);
}

.arena__side--lose .arena__agent-img {
  animation: none;
}

.arena__cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-height: 5.5rem;
}

.arena__card {
  width: 3.4rem;
  height: 4.8rem;
  border-radius: 0.35rem;
  background: #f4f1ea;
  color: #1a1a1a;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.35rem 0.4rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  font-weight: 500;
  transform: translateY(8px);
  opacity: 0;
  animation: arena-card-in var(--arena-anim, 400ms) ease forwards;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.arena__card--red {
  color: #b42318;
}

.arena__card-suit {
  align-self: flex-end;
  font-size: 1.1rem;
  line-height: 1;
}

.arena__score {
  margin: 0.75rem 0 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--arena-muted);
}

.arena__center {
  text-align: center;
  padding: 0.5rem 0;
  align-self: center;
}

.arena__game {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--arena-accent);
  margin: 0 0 0.65rem;
}

.arena__flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.3rem 0.35rem;
  margin: 0 0 0.85rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.arena__flow-step {
  color: var(--arena-muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.1rem;
  transition: color 160ms ease, border-color 160ms ease;
}

.arena__flow-step--done {
  color: rgba(61, 214, 140, 0.65);
}

.arena__flow-step--active {
  color: var(--arena-accent);
  border-bottom-color: var(--arena-accent);
}

.arena__flow-sep {
  color: rgba(138, 163, 150, 0.45);
}

.arena__winner {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  min-height: 1.75rem;
}

.arena__ids {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: var(--arena-muted);
  word-break: break-all;
}

.arena__wallets {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
  font-size: 0.8rem;
  color: var(--arena-muted);
}

.arena__wallets code {
  font-family: "JetBrains Mono", monospace;
  color: var(--arena-ink);
}

.arena__ticker {
  border-top: 1px solid var(--arena-line);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.arena__ticker-title {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--arena-muted);
  margin: 0 0 0.5rem;
}

.arena__ticker-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  display: grid;
  gap: 0.35rem;
  max-height: 9.5rem;
  overflow: hidden;
}

.arena__ticker-item {
  color: var(--arena-muted);
  opacity: 0;
  transform: translateX(-6px);
  animation: arena-tick-in var(--arena-anim, 350ms) ease forwards;
}

.arena__ticker-item:nth-last-child(n + 6) {
  opacity: 0.35;
  animation: none;
  transform: none;
}

.arena__ticker-item--active {
  color: var(--arena-accent);
}

.arena__ticker-item--idle {
  opacity: 1;
  transform: none;
  animation: none;
}

.arena__playback {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--arena-muted);
}

.arena__playback input[type="range"] {
  width: 10rem;
  accent-color: var(--arena-accent);
}

.arena__playback-note {
  flex-basis: 100%;
  margin: 0;
  font-size: 0.72rem;
}

.arena__explain {
  max-width: 36rem;
  margin: 2.5rem 0 1.5rem;
}

.arena__explain h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.arena__explain p {
  color: var(--arena-muted);
  margin: 0;
}

.arena__cta h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.arena__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.arena__btn {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--arena-line);
  color: var(--arena-ink);
  transition: background 160ms ease, border-color 160ms ease;
}

.arena__btn--primary {
  background: var(--arena-accent);
  color: #04140c;
  border-color: var(--arena-accent);
}

.arena__btn--primary:hover {
  filter: brightness(1.05);
}

.arena__btn--ghost:hover {
  border-color: var(--arena-accent);
  color: var(--arena-accent);
}

@keyframes arena-card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes arena-tick-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes arena-breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.96;
  }
  50% {
    transform: scale(1.02);
    opacity: 1;
  }
}

.arena--connected .arena__stage {
  outline: 1px solid rgba(61, 214, 140, 0.15);
}

@media (prefers-reduced-motion: reduce) {
  .arena__card,
  .arena__ticker-item,
  .arena__agent-img,
  .arena__side,
  .arena__btn,
  .arena__flow-step {
    animation: none !important;
    transition: none !important;
  }

  .arena__card,
  .arena__ticker-item {
    opacity: 1;
    transform: none;
  }
}