:root {
  --arena-bg: #050307;
  --arena-ink: #fff7e8;
  --arena-muted: #b9adc2;
  --arena-cyan: #52f7ff;
  --arena-pink: #ff4fd8;
  --arena-gold: #ffc84d;
  --arena-acid: #a9ff3f;
  --arena-line: rgba(255, 247, 232, .18);
  --arena-panel: rgba(7, 5, 13, .86);
  --arena-font: "Fira Code", "SFMono-Regular", Consolas, monospace;
  --arena-head: "Pixel Game", "Share Tech Mono", "Fira Code", monospace;
}

.ddr-arena-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 18%, rgba(82, 247, 255, .18), transparent 28%),
    radial-gradient(circle at 84% 10%, rgba(255, 79, 216, .18), transparent 30%),
    linear-gradient(135deg, #050307, #13061a 44%, #061315);
  color: var(--arena-ink);
  font-family: var(--arena-font);
}

.ddr-arena-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: clamp(28px, 6vw, 78px) 0;
}

.ddr-arena-hero {
  display: grid;
  gap: 18px;
  min-height: 58vh;
  align-content: end;
  padding-bottom: 34px;
}

.ddr-arena-kicker,
.ddr-widget-kicker,
.ddr-chip {
  color: var(--arena-gold);
  font-family: var(--arena-font);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ddr-arena-hero h1 {
  max-width: 980px;
  margin: 0;
  color: var(--arena-ink);
  font-family: var(--arena-head);
  font-size: clamp(3.2rem, 9vw, 9rem);
  line-height: .92;
  letter-spacing: 0;
  text-shadow:
    0 0 22px rgba(82, 247, 255, .36),
    0 0 44px rgba(255, 79, 216, .26);
}

.ddr-arena-hero p {
  max-width: 74ch;
  margin: 0;
  color: var(--arena-muted);
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  line-height: 1.7;
}

.ddr-arena-links,
.ddr-widget-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ddr-arena-links a,
.ddr-widget-actions a,
.ddr-game-button,
.ddr-answer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid rgba(82, 247, 255, .35);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--arena-ink);
  background: rgba(255, 255, 255, .055);
  box-shadow: 0 0 24px rgba(82, 247, 255, .12);
  font: 900 13px/1.1 var(--arena-font);
  text-decoration: none;
  cursor: pointer;
}

.ddr-arena-links a:first-child,
.ddr-widget-actions a:first-child,
.ddr-game-button.primary {
  border-color: rgba(255, 200, 77, .72);
  color: #08040c;
  background: linear-gradient(135deg, var(--arena-gold), var(--arena-cyan));
}

.ddr-arena-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: clamp(18px, 4vw, 38px);
  align-items: start;
}

.ddr-game-panel,
.ddr-leaderboard,
.ddr-episode-list,
.ddr-game-widget {
  border: 1px solid var(--arena-line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(82, 247, 255, .08), transparent 42%),
    var(--arena-panel);
  box-shadow: 0 28px 90px rgba(0, 0, 0, .38);
  backdrop-filter: blur(18px);
}

.ddr-game-panel,
.ddr-leaderboard,
.ddr-episode-list {
  padding: clamp(18px, 3vw, 30px);
}

.ddr-game-panel h2,
.ddr-leaderboard h2,
.ddr-episode-list h2,
.ddr-game-widget h2 {
  margin: 0 0 12px;
  font-family: var(--arena-head);
  font-size: clamp(1.6rem, 4vw, 3.1rem);
  line-height: 1;
  letter-spacing: 0;
}

.ddr-game-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.ddr-chip {
  border: 1px solid rgba(255, 200, 77, .3);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255, 200, 77, .08);
}

.ddr-question {
  display: grid;
  gap: 14px;
}

.ddr-question strong {
  color: var(--arena-ink);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.35;
}

.ddr-answer {
  justify-content: flex-start;
  width: 100%;
  min-height: 52px;
  color: var(--arena-ink);
  text-align: left;
  white-space: normal;
}

.ddr-answer.correct {
  border-color: rgba(169, 255, 63, .75);
  background: rgba(169, 255, 63, .14);
}

.ddr-answer.wrong {
  border-color: rgba(255, 79, 216, .7);
  background: rgba(255, 79, 216, .12);
}

.ddr-feedback {
  min-height: 44px;
  color: var(--arena-muted);
  line-height: 1.55;
}

.ddr-leader-row,
.ddr-episode-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border-top: 1px solid rgba(255, 247, 232, .1);
  padding: 12px 0;
}

.ddr-leader-row b,
.ddr-episode-row b {
  color: var(--arena-ink);
}

.ddr-leader-row span,
.ddr-episode-row span {
  color: var(--arena-muted);
  font-size: 13px;
  line-height: 1.45;
}

.ddr-episode-row button {
  min-width: 96px;
}

.ddr-floating-widget {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 70;
  width: min(380px, calc(100vw - 32px));
}

.ddr-game-widget {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.ddr-game-widget.is-collapsed {
  width: min(210px, calc(100vw - 32px));
  justify-self: end;
  padding: 0;
  overflow: hidden;
}

.ddr-game-widget.is-collapsed .ddr-widget-body {
  display: none;
}

.ddr-widget-launcher {
  display: grid;
  gap: 3px;
  width: 100%;
  min-height: 72px;
  border: 0;
  padding: 12px 14px;
  color: var(--arena-ink);
  background:
    linear-gradient(135deg, rgba(255, 200, 77, .18), rgba(82, 247, 255, .08)),
    rgba(7, 5, 13, .92);
  text-align: left;
  cursor: pointer;
}

.ddr-widget-launcher strong {
  color: var(--arena-ink);
  font-family: var(--arena-head);
  font-size: 1.1rem;
  line-height: 1;
}

.ddr-widget-launcher small {
  color: var(--arena-muted);
  font: 800 11px/1.3 var(--arena-font);
}

.ddr-widget-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.ddr-widget-top button {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 247, 232, .16);
  border-radius: 8px;
  color: var(--arena-ink);
  background: rgba(255, 255, 255, .06);
  font-weight: 900;
  cursor: pointer;
}

.ddr-widget-body {
  display: grid;
  gap: 12px;
}

.ddr-widget-body[hidden],
.ddr-widget-launcher[hidden] {
  display: none;
}

.ddr-mini-score {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.ddr-mini-score div {
  border: 1px solid rgba(255, 247, 232, .1);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, .045);
}

.ddr-mini-score b {
  display: block;
  color: var(--arena-cyan);
  font-size: 18px;
}

.ddr-mini-score span {
  color: var(--arena-muted);
  font-size: 11px;
}

@media (max-width: 760px) {
  .ddr-arena-grid {
    grid-template-columns: 1fr;
  }

  .ddr-floating-widget {
    right: 10px;
    bottom: 10px;
    width: min(320px, calc(100vw - 20px));
  }

  .ddr-game-widget.is-collapsed {
    width: 142px;
  }

  .ddr-widget-launcher {
    min-height: 52px;
    padding: 8px 10px;
  }

  .ddr-widget-launcher .ddr-widget-kicker {
    font-size: 9px;
    letter-spacing: .08em;
  }

  .ddr-widget-launcher strong {
    font-size: .95rem;
  }

  .ddr-widget-launcher small {
    display: none;
  }

  .ddr-mini-score {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .ddr-game-button,
  .ddr-answer,
  .ddr-arena-links a,
  .ddr-widget-actions a {
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  }

  .ddr-game-button:hover,
  .ddr-answer:hover,
  .ddr-arena-links a:hover,
  .ddr-widget-actions a:hover {
    transform: translateY(-2px);
    border-color: var(--arena-cyan);
    box-shadow: 0 0 32px rgba(82, 247, 255, .22);
  }
}