:root {
  --bg: #050914;
  --panel: #0c1223;
  --line: #293551;
  --cyan: #26e3ff;
  --purple: #9a3dff;
  --gold: #ffc85a;
}
.arena-page {
  margin: 0;
  background:
    radial-gradient(circle at 75% 5%, #36206d66, transparent 30%), var(--bg);
  color: #f7f8ff;
  font-family: Inter, system-ui, sans-serif;
}
.arena-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px max(18px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid var(--line);
  background: #060a16ee;
}
.arena-nav > a {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
}
.arena-nav > a span {
  color: var(--cyan);
}
.arena-nav img {
  width: 43px;
  height: 43px;
  border-radius: 13px;
}
.arena-nav nav {
  display: flex;
  gap: 18px;
}
.arena-nav nav a,
footer a {
  color: #bac4d9;
  text-decoration: none;
}
.arena-page main {
  width: min(1240px, calc(100% - 28px));
  margin: auto;
}
.arena-hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 30px;
  align-items: center;
  min-height: 480px;
}
.eyebrow {
  color: #bf7dff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
}
.arena-hero h1 {
  max-width: 820px;
  margin: 8px 0;
  font-size: clamp(43px, 6vw, 78px);
  line-height: 0.98;
}
.arena-hero h1 span {
  color: var(--cyan);
}
.arena-hero > div > p:not(.eyebrow) {
  max-width: 700px;
  color: #aab5cc;
  font-size: 17px;
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 25px;
}
.arena-orbit {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid #643aa0;
  border-radius: 50%;
  background: radial-gradient(circle, #722ccf77, transparent 57%);
  box-shadow: 0 0 100px #682ac566;
}
.arena-orbit strong {
  font-size: 80px;
  color: #fff;
  text-shadow: 0 0 28px var(--cyan);
}
.arena-orbit span {
  margin-top: -48%;
  color: #d6b7ff;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.arena-section,
.arena-build {
  padding: 50px 0;
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
}
.section-title h2,
.arena-build h2 {
  margin: 5px 0;
  font-size: 38px;
}
.section-title input {
  min-width: 290px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #11182a;
  color: #fff;
  padding: 0 13px;
}
.arena-filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 20px 0;
}
.arena-filters button {
  flex: 0 0 auto;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: #10172a;
  color: #b9c2d5;
}
.arena-filters button.active {
  border-color: var(--cyan);
  color: #fff;
}
.arena-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.arena-list article {
  padding: 19px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: linear-gradient(145deg, #0c1223, #11172c);
}
.arena-card-top {
  display: flex;
  justify-content: space-between;
  color: #94a0b7;
  font-size: 10px;
}
.type-badge {
  padding: 5px 7px;
  border-radius: 99px;
  background: #2a1942;
  color: #d7a6ff;
  font-weight: 900;
}
.type-badge.official {
  background: #4a3614;
  color: #ffe095;
}
.arena-list h3 {
  font-size: 21px;
}
.arena-list p {
  color: #9ca8bf;
}
.arena-list .game-line {
  color: #fff;
}
.owner {
  font-size: 11px;
}
.arena-list details {
  margin: 12px 0;
  color: #cbd2e2;
}
.arena-list details p {
  white-space: pre-line;
}
.arena-list .btn {
  width: 100%;
}
.arena-empty {
  text-align: center;
  color: #8e99af;
}
.arena-build {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 35px;
}
.arena-build > div > p,
.arena-build li {
  color: #a5b0c5;
  line-height: 1.6;
}
.arena-build form {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #0d1325;
}
.arena-build label,
#join-form label {
  display: grid;
  gap: 6px;
  margin: 10px 0;
  color: #cad1e0;
  font-size: 11px;
  font-weight: 800;
}
.arena-build input,
.arena-build textarea,
#join-form input,
#join-form textarea {
  box-sizing: border-box;
  width: 100%;
  border: 1px solid #35415f;
  border-radius: 9px;
  background: #121a2e;
  color: #fff;
  padding: 11px;
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.arena-build small {
  display: block;
  margin-top: 8px;
  color: #7e899f;
}
#arena-status,
#join-status {
  color: #7ff0ce;
}
dialog {
  width: min(480px, calc(100% - 28px));
  border: 1px solid #425071;
  border-radius: 16px;
  background: #0c1223;
  color: #fff;
}
.dialog-head {
  display: flex;
  justify-content: space-between;
}
.dialog-head button {
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 24px;
}
dialog::backdrop {
  background: #02040bdf;
}
footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 25px;
  border-top: 1px solid var(--line);
}
@media (max-width: 850px) {
  .arena-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 55px 0;
  }
  .arena-orbit {
    display: none;
  }
  .arena-list {
    grid-template-columns: 1fr 1fr;
  }
  .arena-build {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 580px) {
  .arena-nav {
    padding: 9px 12px;
  }
  .arena-nav nav a:first-child {
    display: none;
  }
  .arena-hero h1 {
    font-size: 43px;
  }
  .section-title {
    display: grid;
    gap: 14px;
  }
  .section-title input {
    min-width: 0;
    width: 100%;
  }
  .arena-list {
    grid-template-columns: 1fr;
  }
  .two {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    display: grid;
  }
  .arena-build {
    padding-top: 25px;
  }
}