* {
  box-sizing: border-box;
  letter-spacing: 0 !important;
}

:root {
  color-scheme: light;
  --arena-bg: #f6fbfc;
  --arena-ink: #142126;
  --arena-muted: #4d646b;
  --arena-dim: #72858b;
  --arena-line: rgba(25, 37, 43, .12);
  --arena-panel: rgba(255, 255, 255, .9);
  --arena-primary: #006876;
  --arena-primary-bright: #00acc1;
  --arena-cyan: #b3ecf3;
  --arena-coral: #ef4444;
  --arena-amber: #f59e0b;
  --arena-green: #16a34a;
  --arena-blue: #2563eb;
  --arena-purple: #7c3aed;
  --arena-shadow: 0 24px 70px rgba(20, 33, 38, .14);
  --arena-radius: 8px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html,
body {
  min-height: 100%;
}

.arena-body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    linear-gradient(135deg, #f6fbfc 0%, #edf8f5 46%, #fff7e8 100%);
  color: var(--arena-ink);
  overflow-x: hidden;
}

button,
input,
select {
  font: inherit;
  font-size: max(16px, 1rem);
}

button {
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: not-allowed;
  opacity: .52;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  display: inline-block;
  white-space: nowrap;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
  font-variation-settings: "FILL" 0, "wght" 600, "GRAD" 0, "opsz" 24;
}

.arena-root {
  min-height: 100vh;
  min-height: 100dvh;
}

.arena-shell,
.arena-host-shell,
.arena-player-shell {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
}

.arena-shell {
  padding: 24px;
}

.arena-host-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
  padding: 18px;
}

.arena-topbar {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: var(--arena-radius);
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 10px 32px rgba(20, 33, 38, .08);
}

.arena-topbar.host {
  position: sticky;
  top: 12px;
  z-index: 10;
}

.arena-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--arena-primary);
  font-weight: 900;
  text-decoration: none;
}

.arena-brand span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arena-top-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.arena-status-chip,
.arena-code-mini {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 14px;
  color: #174249;
  background: #d9f6fa;
  font-weight: 900;
}

.arena-code-mini {
  color: #4e3100;
  background: #ffecb8;
}

.arena-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.arena-icon-btn,
.arena-btn {
  min-height: 46px;
  border: 0;
  border-radius: var(--arena-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  font-weight: 900;
  text-decoration: none;
}

.arena-icon-btn {
  color: var(--arena-ink);
  background: #fff;
  border: 1px solid var(--arena-line);
}

.arena-icon-btn span:last-child {
  font-size: .92rem;
}

.arena-btn-primary {
  color: #fff;
  background: var(--arena-primary);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, .16), 0 14px 28px rgba(0, 104, 118, .18);
}

.arena-btn-secondary {
  color: #174249;
  background: #d9f6fa;
}

.arena-panel {
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: var(--arena-radius);
  background: var(--arena-panel);
  box-shadow: var(--arena-shadow);
}

.arena-message {
  width: min(100%, 900px);
  margin: 0 auto;
  padding: 12px 14px;
  border-radius: var(--arena-radius);
  background: #e8f7ed;
  color: #174a2b;
  font-weight: 800;
}

.arena-message.error,
.arena-error {
  background: #ffdad6;
  color: #7b1d18;
}

.arena-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  color: var(--arena-muted);
  font-size: .9rem;
  font-weight: 900;
  text-transform: uppercase;
}

.arena-setup {
  display: grid;
  align-content: start;
  gap: 22px;
}

.arena-setup .arena-topbar {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.arena-setup-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(520px, 640px);
  gap: 18px;
  align-items: start;
  justify-content: center;
}

.arena-setup-copy {
  display: grid;
  justify-items: start;
  gap: 12px;
  min-height: 0;
  padding: 26px;
  border-radius: var(--arena-radius);
  background: linear-gradient(145deg, #113a42, #174f59);
  color: #fff;
  box-shadow: var(--arena-shadow);
  overflow: hidden;
}

.arena-setup-copy h1,
.arena-center-stage h1,
.arena-board-split h1,
.arena-final-stage h1,
.arena-report-view h1 {
  margin: 0;
  font-size: 4rem;
  line-height: 1;
  overflow-wrap: anywhere;
}

.arena-setup-copy h1 {
  font-size: clamp(2.05rem, 4vw, 2.75rem);
}

.arena-setup-copy p {
  margin: 0;
  max-width: 30ch;
  color: #c7eef3;
  font-size: .98rem;
  font-weight: 800;
  line-height: 1.4;
}

.arena-setup-mascot {
  width: 132px;
  height: 132px;
  object-fit: contain;
}

.arena-form {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.arena-form-head {
  display: grid;
  gap: 3px;
}

.arena-form-head h2 {
  margin: 0;
  color: var(--arena-ink);
  font-size: 1.45rem;
  line-height: 1.18;
}

.arena-form label {
  display: grid;
  gap: 8px;
  color: var(--arena-ink);
  font-weight: 900;
}

.arena-form input,
.arena-form select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(0, 104, 118, .22);
  border-radius: var(--arena-radius);
  background: #fff;
  color: var(--arena-ink);
  padding: 0 12px;
  outline: none;
}

.arena-form input:focus,
.arena-form select:focus,
.arena-icon-btn:focus-visible,
.arena-btn:focus-visible,
.arena-key:focus-visible,
.arena-character-trigger:focus-visible,
.arena-character-choice:focus-within,
.arena-avatar-trigger:focus-visible,
.arena-avatar-choice:focus-visible,
.arena-avatar-tabs button:focus-visible {
  box-shadow: 0 0 0 4px rgba(0, 172, 193, .22);
}

.arena-field-note {
  color: var(--arena-muted);
  font-size: .82rem;
  font-weight: 750;
  line-height: 1.35;
}

.arena-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.arena-check {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.arena-check input {
  width: 22px;
  min-height: 22px;
}

.arena-host-grid {
  min-height: calc(100vh - 112px);
  display: grid;
  gap: 18px;
}

.arena-host-grid.lobby {
  grid-template-columns: minmax(380px, .92fr) minmax(420px, 1.08fr);
}

.arena-code-zone,
.arena-lobby-side,
.arena-center-stage,
.arena-question-stage,
.arena-reveal-stage,
.arena-board-split,
.arena-final-stage,
.arena-report-view {
  border-radius: var(--arena-radius);
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--arena-shadow);
}

.arena-code-zone {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  padding: 34px;
  text-align: center;
}

.arena-game-code {
  display: block;
  color: #13212a;
  font-size: 7rem;
  line-height: .92;
  font-weight: 900;
}

.arena-join-url {
  max-width: 100%;
  color: var(--arena-primary);
  font-size: 1.3rem;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.arena-qr-frame {
  width: min(420px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 14px;
  border: 1px solid var(--arena-line);
  border-radius: var(--arena-radius);
  background: #fff;
}

.arena-qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.arena-lobby-side {
  display: grid;
  grid-template-rows: auto auto 1fr;
  align-content: start;
  gap: 14px;
  padding: 26px;
  overflow: hidden;
}

.arena-lobby-hero {
  display: grid;
  grid-template-columns: minmax(132px, 190px) minmax(0, 1fr);
  align-items: center;
  gap: 18px;
}

.arena-lobby-guide {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 12px;
  border-radius: var(--arena-radius);
  background: #13212a;
  color: #fff;
}

.arena-lobby-guide div {
  min-width: 0;
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 10px;
  border-radius: var(--arena-radius);
  background: rgba(255, 255, 255, .08);
}

.arena-lobby-guide strong {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--arena-amber);
  color: #13212a;
  font-weight: 900;
}

.arena-lobby-guide span {
  font-weight: 900;
  line-height: 1.2;
}

.arena-section-label {
  color: var(--arena-muted);
  font-size: .82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.arena-mascot {
  width: min(260px, 36vh);
  height: min(260px, 36vh);
  object-fit: contain;
  justify-self: center;
}

.arena-mascot.big {
  width: min(340px, 42vh);
  height: min(340px, 42vh);
}

.arena-metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.arena-metric-row div {
  min-height: 76px;
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 10px;
  border-radius: var(--arena-radius);
  background: #eef9fb;
  text-align: center;
}

.arena-metric-row strong {
  color: var(--arena-primary);
  font-size: 2rem;
  line-height: 1;
}

.arena-metric-row span {
  color: var(--arena-muted);
  font-weight: 800;
}

.arena-metric-row.compact strong {
  font-size: 1.5rem;
}

.arena-report-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.arena-report-metrics div {
  min-height: 82px;
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 10px;
  border-radius: var(--arena-radius);
  background: #eef9fb;
  text-align: center;
}

.arena-report-metrics strong {
  color: var(--arena-primary);
  font-size: 1.8rem;
  line-height: 1;
}

.arena-report-metrics span {
  color: var(--arena-muted);
  font-size: .86rem;
  font-weight: 900;
  line-height: 1.12;
}

.arena-player-pills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(172px, 1fr));
  gap: 10px;
  align-content: start;
  align-items: start;
  overflow: auto;
  padding-right: 4px;
}

.arena-player-pill {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: var(--arena-radius);
  background: #fff;
  border: 1px solid var(--arena-line);
  padding: 8px;
  font-weight: 900;
  min-width: 0;
  align-self: start;
}

.arena-player-pill-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arena-empty {
  display: grid;
  place-items: center;
  min-height: 96px;
  border: 1px dashed rgba(20, 33, 38, .24);
  border-radius: var(--arena-radius);
  color: var(--arena-muted);
  font-weight: 800;
}

.arena-avatar {
  width: 74px;
  height: 74px;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  position: relative;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 32%, rgba(255,255,255,.82), transparent 42%),
    color-mix(in srgb, var(--avatar-accent, #00acc1) 16%, white);
  border: 3px solid color-mix(in srgb, var(--avatar-accent, #00acc1) 72%, white);
  overflow: hidden;
}

.arena-avatar.small {
  width: 52px;
  height: 52px;
  border-width: 2px;
}

.arena-avatar.pick {
  width: 80px;
  height: 80px;
  border-radius: var(--arena-radius);
}

.arena-avatar img {
  display: block;
  width: 100%;
  min-width: 100%;
  max-width: none;
  height: 100%;
  min-height: 100%;
  object-fit: contain;
  object-position: center center;
  position: relative;
  z-index: 1;
  transform: translateY(1%) scale(1.32);
  transform-origin: center center;
}

.arena-avatar.small img {
  transform: translateY(0) scale(1.44);
}

.arena-avatar.pick img {
  transform: translateY(3%) scale(1.28);
}

.arena-avatar img.is-broken {
  display: none;
}

.arena-avatar img:not(.is-broken) + span {
  display: none;
}

.arena-avatar > span {
  color: color-mix(in srgb, var(--avatar-accent, #00acc1) 72%, #13212a);
  font-weight: 900;
  font-size: 1.5rem;
}

.imagegen-avatar {
  overflow: visible;
  border: 0;
  background:
    radial-gradient(circle at 50% 58%, rgba(255,255,255,.96) 0 42%, transparent 62%),
    color-mix(in srgb, var(--avatar-accent, #00acc1) 18%, white);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--avatar-accent, #00acc1) 55%, white);
}

.imagegen-avatar > span {
  display: none;
}

.imagegen-avatar .avatar-layer,
.imagegen-avatar.small .avatar-layer,
.imagegen-avatar.pick .avatar-layer {
  position: absolute;
  display: block;
  min-width: 0;
  min-height: 0;
  max-width: none;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transform: none;
  transform-origin: center center;
  pointer-events: none;
}

.imagegen-avatar .avatar-layer.frame {
  inset: auto;
  left: -7%;
  top: -7%;
  width: 114%;
  height: 114%;
  z-index: 1;
}

.imagegen-avatar .avatar-layer.character {
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.imagegen-avatar .avatar-layer.accessory {
  inset: auto;
  z-index: 4;
  --avatar-x: 0%;
  --avatar-y: 0%;
  --avatar-scale: 1;
  transform: translate(var(--avatar-x), var(--avatar-y)) scale(var(--avatar-scale));
}

.imagegen-avatar .avatar-layer.effect {
  inset: auto;
  left: -16%;
  top: -16%;
  width: 132%;
  height: 132%;
  z-index: 0;
  opacity: .82;
}

.imagegen-avatar .avatar-layer.slot-rig {
  inset: 0;
  width: 100%;
  height: 100%;
}

.imagegen-avatar .avatar-layer.slot-head {
  width: 62%;
  height: 62%;
  left: 19%;
  top: -12%;
}

.imagegen-avatar .avatar-layer.slot-eyes {
  width: 56%;
  height: 56%;
  left: 22%;
  top: 25%;
}

.imagegen-avatar .avatar-layer.slot-helmet {
  width: 78%;
  height: 78%;
  left: 11%;
  top: -5%;
}

.imagegen-avatar .avatar-layer.slot-neck {
  width: 52%;
  height: 52%;
  left: 24%;
  bottom: -14%;
}

.imagegen-avatar .avatar-layer.slot-badge {
  width: 42%;
  height: 42%;
  right: -8%;
  bottom: -8%;
}

.arena-player-pill {
  position: relative;
}

.arena-player-remove {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 33, 38, .08);
  color: #13212a;
  cursor: pointer;
}

.arena-player-remove:hover {
  background: #fff0ed;
  color: var(--arena-coral);
}

.arena-player-remove .material-symbols-outlined {
  font-size: 1.05rem;
}

.arena-center-stage {
  min-height: calc(100vh - 112px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  padding: 40px;
  text-align: center;
}

.arena-countdown {
  color: var(--arena-coral);
  font-size: 9rem;
  line-height: .8;
  font-weight: 900;
}

.arena-timer {
  width: min(820px, 100%);
  height: 18px;
  border-radius: 999px;
  background: rgba(20, 33, 38, .1);
  overflow: hidden;
}

.arena-timer span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--arena-green), var(--arena-amber), var(--arena-coral));
  transition: width .16s linear;
}

.arena-question-stage {
  min-height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: minmax(520px, 1fr) minmax(240px, 330px);
  gap: 22px;
  padding: 34px 42px;
  align-items: center;
}

.arena-question-main {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 22px;
  min-width: 0;
}

.arena-equation {
  max-width: 100%;
  color: #13212a;
  font-size: 6rem;
  line-height: 1;
  font-weight: 900;
  text-align: center;
  overflow-wrap: anywhere;
}

.arena-equation.solved {
  color: var(--arena-green);
}

.arena-equation.small {
  font-size: 3.5rem;
}

.arena-question-meta {
  display: inline-grid;
  grid-template-columns: minmax(190px, auto) minmax(120px, auto);
  gap: 12px;
  align-items: stretch;
}

.arena-submit-meter,
.arena-mini-board {
  min-height: 70px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--arena-radius);
  background: #13212a;
  color: #fff;
  padding: 0 22px;
  font-size: 1.5rem;
  font-weight: 900;
}

.arena-submit-meter small,
.arena-mini-board small {
  color: rgba(255,255,255,.74);
  font-size: .82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.arena-submit-meter span {
  color: var(--arena-amber);
}

.arena-stage-side {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 10px;
  min-width: 0;
}

.arena-reveal-stage {
  min-height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: minmax(430px, .95fr) minmax(420px, 1.05fr);
  gap: 28px;
  padding: 42px 48px;
  align-items: center;
}

.arena-reveal-main {
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 20px;
  min-width: 0;
}

.arena-accuracy-ring {
  width: 210px;
  height: 210px;
  display: grid;
  place-items: center;
  margin-top: 28px;
  border-radius: 50%;
  background: #e8f7ed;
  border: 12px solid var(--arena-green);
  text-align: center;
}

.arena-accuracy-ring strong {
  color: var(--arena-green);
  font-size: 3.3rem;
  line-height: 1;
}

.arena-accuracy-ring span {
  color: #18482d;
  font-weight: 900;
}

.arena-explain-panel {
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: 30px;
  font-size: 1.22rem;
  line-height: 1.4;
  font-weight: 800;
  text-align: left;
}

.arena-explain-panel p {
  width: 100%;
  margin: 0;
}

.arena-wrong-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.arena-wrong-list span {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-radius: 999px;
  background: #fff1f0;
  color: #7b1d18;
  font-weight: 900;
}

.arena-wrong-list .is-muted {
  background: #eef9fb;
  color: var(--arena-muted);
}

.arena-board-split {
  min-height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: minmax(520px, 1fr) minmax(260px, 360px);
  gap: 34px;
  padding: 46px 48px;
  align-items: center;
}

.arena-leader-panel {
  display: grid;
  align-content: center;
  gap: 10px;
  min-width: 0;
}

.arena-board-mascot {
  display: grid;
  place-items: center;
}

.arena-leaderboard {
  display: grid;
  gap: 12px;
}

.arena-leader-row {
  min-height: 72px;
  display: grid;
  grid-template-columns: 42px 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  border-radius: var(--arena-radius);
  background: #fff;
  border: 1px solid var(--arena-line);
}

.arena-leader-row.rank-1 {
  background: #fff5d6;
  border-color: #f6c84f;
}

.arena-leader-row.rank-2 {
  background: #eef4ff;
  border-color: #b7c9f4;
}

.arena-leader-row.rank-3 {
  background: #fff0e7;
  border-color: #f5b083;
}

.arena-leader-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arena-rank {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #13212a;
  color: #fff;
  font-weight: 900;
}

.arena-final-stage {
  min-height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: minmax(430px, .95fr) minmax(420px, 1.05fr);
  gap: 32px;
  padding: 42px 48px;
  align-items: center;
}

.arena-podium {
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
}

.arena-bublik-note {
  max-width: 34ch;
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--arena-radius);
  background: #fff8dd;
  color: #654100;
  font-weight: 900;
  line-height: 1.25;
}

.arena-final-title {
  display: grid;
  gap: 6px;
}

.arena-winner-callout {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff5d6;
  color: #4e3100;
  font-weight: 900;
}

.arena-winner-callout .material-symbols-outlined {
  color: var(--arena-amber);
}

.arena-podium-row {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: end;
}

.arena-podium-place {
  min-height: 168px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 8px;
  padding: 16px;
  border-radius: var(--arena-radius);
  background: #fff;
  border: 1px solid var(--arena-line);
}

.arena-podium-place.place-1 {
  min-height: 220px;
  background: #fff5d6;
}

.arena-podium-place strong,
.arena-podium-place span {
  max-width: 100%;
  overflow-wrap: anywhere;
}

.arena-report-summary {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.arena-report-summary h2,
.arena-report-view h2 {
  margin: 0;
  font-size: 1.4rem;
}

.arena-hard-list,
.arena-table {
  display: grid;
  gap: 10px;
}

.arena-hard-list div,
.arena-table div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--arena-radius);
  background: #fff;
  border: 1px solid var(--arena-line);
}

.arena-hard-list span,
.arena-table span {
  color: var(--arena-muted);
  font-weight: 800;
  text-align: right;
}

.arena-report-view {
  min-height: calc(100vh - 112px);
  padding: 30px;
}

.arena-report-grid {
  display: grid;
  grid-template-columns: minmax(320px, .9fr) minmax(420px, 1.1fr);
  gap: 18px;
}

.arena-report-grid .arena-panel {
  padding: 20px;
}

.arena-player-shell {
  width: min(100%, 520px);
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  padding: 14px;
}

.arena-player-shell.join {
  width: 100%;
  place-items: center;
  padding: 12px 18px;
}

.arena-player-join {
  width: min(100%, 580px);
  display: grid;
  justify-items: center;
  gap: 4px;
}

.arena-player-mascot {
  width: clamp(78px, 12vh, 104px);
  height: clamp(78px, 12vh, 104px);
  object-fit: contain;
}

.arena-player-header {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--arena-radius);
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 10px 32px rgba(20, 33, 38, .08);
}

.arena-player-header div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.arena-player-header strong,
.arena-player-header span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arena-player-header span {
  color: var(--arena-muted);
  font-weight: 800;
}

.arena-player-card {
  min-height: calc(100vh - 112px);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 16px;
  padding: 18px;
  border-radius: var(--arena-radius);
  background: rgba(255, 255, 255, .92);
  box-shadow: var(--arena-shadow);
  text-align: center;
}

.arena-player-card.result {
  gap: 20px;
}

.arena-player-card.result .arena-player-mascot {
  width: 180px;
  height: 180px;
}

.arena-player-card h1 {
  margin: 0;
  font-size: 2.7rem;
  line-height: 1;
  overflow-wrap: anywhere;
}

.arena-player-card p {
  margin: 0;
  color: var(--arena-muted);
  font-size: 1.05rem;
  font-weight: 800;
}

.arena-answer-display {
  width: min(100%, 260px);
  min-height: 78px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(0, 104, 118, .22);
  border-radius: var(--arena-radius);
  background: #fff;
  color: var(--arena-primary);
  font-size: 3rem;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.arena-answer-hint {
  min-height: 24px;
  display: grid;
  place-items: center;
  color: #7b1d18;
  font-size: .92rem;
  font-weight: 900;
}

.arena-keypad {
  width: min(100%, 360px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  touch-action: manipulation;
}

.arena-key {
  aspect-ratio: 1.22;
  min-height: 64px;
  border: 0;
  border-radius: var(--arena-radius);
  background: #fff;
  color: var(--arena-ink);
  box-shadow: inset 0 -4px 0 rgba(20, 33, 38, .12), 0 8px 18px rgba(20, 33, 38, .08);
  font-size: 1.7rem;
  font-weight: 900;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.arena-key.submit {
  color: #fff;
  background: var(--arena-primary);
}

.arena-key:disabled {
  color: rgba(255, 255, 255, .68);
  background: #7aa9b0;
  box-shadow: inset 0 -3px 0 rgba(20, 33, 38, .1);
}

.arena-submitted-mark {
  min-height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: var(--arena-radius);
  background: #e8f7ed;
  color: #14532d;
  font-size: 1.35rem;
  font-weight: 900;
}

.arena-player-card.result.correct {
  background: #f1fbf4;
}

.arena-player-card.result.wrong {
  background: #fff6f4;
}

.arena-points {
  min-height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  background: #13212a;
  color: #fff;
  font-size: 1.65rem;
  font-weight: 900;
}

.arena-player-final-actions {
  width: min(100%, 360px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.arena-player-final-actions .arena-btn {
  min-width: 0;
  width: 100%;
}

.arena-character-picker {
  display: grid;
  gap: 10px;
}

.arena-character-trigger,
.arena-character-backdrop,
.arena-character-modal-head {
  display: none;
}

.arena-character-panel,
.arena-character-dialog {
  display: grid;
  gap: 10px;
}

.arena-character-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.arena-character-choice {
  min-width: 0;
  display: grid;
  justify-items: center;
  align-content: start;
  position: relative;
  gap: 6px;
  min-height: 118px;
  padding: 7px 5px 6px;
  border: 2px solid rgba(25, 37, 43, .08);
  border-radius: var(--arena-radius);
  background: #fbfdfe;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .16s ease;
}

.arena-character-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.arena-character-choice.selected {
  border-color: var(--arena-primary);
  background: #e8fbfd;
  box-shadow: 0 10px 22px rgba(0, 104, 118, .14);
}

.arena-character-choice.selected::after {
  content: "✓";
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  position: absolute;
  top: 6px;
  right: 6px;
  border-radius: 50%;
  background: var(--arena-primary);
  color: #fff;
  font-size: .9rem;
  font-weight: 900;
  box-shadow: 0 4px 10px rgba(0, 104, 118, .2);
}

.arena-character-choice:hover {
  border-color: color-mix(in srgb, var(--avatar-accent, #00acc1) 62%, white);
  background: #fff;
  transform: translateY(-1px);
}

.arena-character-choice.selected:hover {
  border-color: var(--arena-primary);
  background: #e8fbfd;
}

.arena-character-choice span:last-child {
  max-width: 100%;
  color: var(--arena-muted);
  font-size: .82rem;
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  overflow-wrap: anywhere;
}

.arena-avatar-picker {
  display: grid;
  gap: 10px;
}

.arena-avatar-trigger {
  min-height: 96px;
  display: grid;
  place-items: center;
  align-items: center;
  width: 100%;
  border: 1px solid rgba(0, 104, 118, .24);
  border-radius: var(--arena-radius);
  background: #fbfdfe;
  padding: 10px;
  color: #13212a;
  cursor: pointer;
}

.arena-avatar-trigger .arena-avatar.small {
  width: 72px;
  height: 72px;
}

.arena-avatar-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.arena-avatar-panel {
  display: none;
}

.arena-avatar-picker.is-open .arena-avatar-panel {
  display: block;
}

.arena-avatar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(15, 23, 42, .46);
  backdrop-filter: blur(8px);
}

.arena-avatar-dialog {
  width: min(760px, calc(100vw - 32px));
  height: min(760px, calc(100dvh - 48px));
  max-height: min(760px, calc(100dvh - 48px));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 14px;
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 31;
  transform: translate(-50%, -50%);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 32px 90px rgba(15, 23, 42, .28);
  overflow: hidden;
  padding: 18px;
}

.arena-avatar-modal-head,
.arena-avatar-modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.arena-avatar-modal-head h2 {
  margin: 2px 0 0;
  font-size: 1.45rem;
}

.arena-avatar-editor-head {
  display: grid;
  place-items: center;
  border: 1px solid rgba(0, 104, 118, .12);
  border-radius: var(--arena-radius);
  background: #f6fbfc;
  padding: 12px;
}

.arena-avatar-editor-head .arena-avatar.pick {
  width: 96px;
  height: 96px;
}

.arena-avatar-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.arena-avatar-tabs::-webkit-scrollbar {
  display: none;
}

.arena-avatar-tabs button {
  min-height: 40px;
  flex: 0 0 auto;
  border: 1px solid rgba(0, 104, 118, .16);
  border-radius: 999px;
  background: #f8fbfc;
  color: var(--arena-muted);
  padding: 0 14px;
  font-weight: 900;
  cursor: pointer;
}

.arena-avatar-tabs button.selected {
  border-color: var(--arena-primary);
  background: #d7f7fb;
  color: #083a42;
}

.arena-avatar-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  overflow: auto;
  padding: 2px 2px 6px;
}

.arena-avatar-choice {
  min-width: 0;
  min-height: 116px;
  display: grid;
  justify-items: center;
  align-content: center;
  position: relative;
  border: 2px solid rgba(25, 37, 43, .08);
  border-radius: var(--arena-radius);
  background: #fbfdfe;
  padding: 10px;
  color: #13212a;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .16s ease;
}

.arena-avatar-choice:hover {
  border-color: color-mix(in srgb, var(--avatar-accent, #00acc1) 55%, white);
  transform: translateY(-1px);
}

.arena-avatar-choice.selected {
  border-color: var(--arena-primary);
  background: #e8fbfd;
  box-shadow: 0 12px 24px rgba(0, 104, 118, .14);
}

.arena-avatar-choice.disabled {
  opacity: .38;
  cursor: not-allowed;
  filter: grayscale(.2);
}

.arena-avatar-choice > .material-symbols-outlined {
  position: absolute;
  top: 8px;
  right: 8px;
  border-radius: 50%;
  background: var(--arena-primary);
  color: #fff;
  font-size: 1.35rem;
  box-shadow: 0 6px 12px rgba(0, 104, 118, .2);
}

.arena-avatar-option-art,
.arena-avatar-none {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: #edf7f8;
}

.arena-avatar-option-art img {
  display: block;
  width: 88%;
  height: 88%;
  object-fit: contain;
}

.arena-avatar-none {
  color: var(--arena-muted);
}

.arena-avatar-modal-actions {
  position: sticky;
  bottom: 0;
  padding-top: 4px;
  background: #fff;
}

@media (max-height: 560px) {
  .arena-avatar-dialog {
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
    grid-template-rows: auto minmax(0, 1fr) auto;
    top: 8px;
    transform: translateX(-50%);
    gap: 8px;
    padding: 12px;
  }

  .arena-avatar-modal-head h2 {
    font-size: 1.2rem;
  }

  .arena-avatar-editor-head {
    display: none;
  }

  .arena-avatar-grid {
    gap: 8px;
  }

  .arena-avatar-choice {
    min-height: 98px;
    padding: 8px;
  }

  .arena-avatar-option-art,
  .arena-avatar-none {
    width: 76px;
    height: 76px;
  }
}

@media (max-width: 980px) {
  .arena-host-grid.lobby,
  .arena-question-stage,
  .arena-reveal-stage,
  .arena-board-split,
  .arena-final-stage,
  .arena-report-grid,
  .arena-setup-grid {
    grid-template-columns: 1fr;
  }

  .arena-topbar.host {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .arena-lobby-hero {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .arena-lobby-hero .arena-metric-row {
    width: 100%;
  }

  .arena-report-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .arena-controls {
    justify-content: flex-start;
  }

  .arena-board-split aside {
    display: none;
  }

  .arena-setup-copy {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .arena-shell,
  .arena-host-shell {
    padding: 10px;
  }

  .arena-topbar {
    min-height: 0;
  }

  .arena-top-meta {
    width: 100%;
    justify-content: space-between;
  }

  .arena-icon-btn span:last-child {
    display: none;
  }

  .arena-icon-btn span.material-symbols-outlined:last-child {
    display: inline-block;
  }

  .arena-setup-copy {
    display: none;
  }

  .arena-setup-grid {
    gap: 12px;
  }

  .arena-form {
    padding: 18px;
  }

  .arena-form-head h2 {
    font-size: 1.28rem;
  }

  .arena-setup-copy h1,
  .arena-center-stage h1,
  .arena-board-split h1,
  .arena-final-stage h1,
  .arena-report-view h1 {
    font-size: 2.45rem;
  }

  .arena-form-row,
  .arena-metric-row,
  .arena-podium-row,
  .arena-question-meta {
    grid-template-columns: 1fr;
  }

  .arena-lobby-guide,
  .arena-report-metrics {
    grid-template-columns: 1fr;
  }

  .arena-game-code {
    font-size: 4.2rem;
  }

  .arena-countdown {
    font-size: 6rem;
  }

  .arena-equation,
  .arena-equation.small {
    font-size: 2.75rem;
  }

  .arena-question-stage,
  .arena-reveal-stage,
  .arena-board-split,
  .arena-final-stage,
  .arena-report-view,
  .arena-code-zone,
  .arena-lobby-side {
    padding: 16px;
  }

  .arena-leader-row {
    grid-template-columns: 38px 40px minmax(0, 1fr);
  }

  .arena-leader-row > span:last-child {
    grid-column: 3;
    color: var(--arena-muted);
    font-size: .9rem;
    font-weight: 800;
  }

  .arena-hard-list div,
  .arena-table div {
    align-items: flex-start;
    flex-direction: column;
  }

  .arena-hard-list span,
  .arena-table span {
    text-align: left;
  }

  .arena-character-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .arena-player-final-actions {
    grid-template-columns: 1fr;
  }

  .arena-player-card h1 {
    font-size: 2.1rem;
  }

  .arena-player-shell.state-question {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 8px;
    padding:
      max(8px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(8px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
  }

  .arena-player-shell.state-question .arena-player-header {
    min-height: 56px;
    padding: 6px 8px;
  }

  .arena-player-shell.state-question .arena-avatar.small {
    width: 44px;
    height: 44px;
  }

  .arena-player-shell.state-question .arena-player-card.question {
    min-height: 0;
    height: 100%;
    align-content: stretch;
    grid-template-rows: auto auto auto minmax(48px, auto) auto minmax(0, auto);
    gap: clamp(6px, 1.4dvh, 12px);
    padding: 10px;
  }

  .arena-player-shell.state-question .arena-timer {
    height: 10px;
  }

  .arena-player-shell.state-question .arena-kicker {
    min-height: 22px;
    font-size: .78rem;
  }

  .arena-player-shell.state-question .arena-equation.small {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .arena-player-shell.state-question .arena-answer-display {
    width: min(100%, 236px);
    min-height: 54px;
    font-size: 2.35rem;
  }

  .arena-player-shell.state-question .arena-answer-hint {
    min-height: 20px;
    font-size: .86rem;
  }

  .arena-player-shell.state-question .arena-keypad {
    width: min(100%, 330px);
    align-self: end;
    justify-self: center;
    gap: 7px;
  }

  .arena-player-shell.state-question .arena-key {
    aspect-ratio: auto;
    height: clamp(48px, 10.2dvh, 58px);
    min-height: 0;
    font-size: 1.5rem;
  }
}

@media (max-width: 420px), (max-height: 740px) {
  .arena-player-shell.state-question {
    gap: 6px;
    padding:
      max(6px, env(safe-area-inset-top))
      max(7px, env(safe-area-inset-right))
      max(7px, env(safe-area-inset-bottom))
      max(7px, env(safe-area-inset-left));
  }

  .arena-player-shell.state-question .arena-player-header {
    min-height: 52px;
  }

  .arena-player-shell.state-question .arena-player-header span {
    font-size: .82rem;
  }

  .arena-player-shell.state-question .arena-player-card.question {
    gap: 6px;
    padding: 8px;
  }

  .arena-player-shell.state-question .arena-equation.small {
    font-size: clamp(1.85rem, 8.5vw, 2.5rem);
  }

  .arena-player-shell.state-question .arena-answer-display {
    min-height: 48px;
    font-size: 2rem;
  }

  .arena-player-shell.state-question .arena-key {
    height: clamp(44px, 9.4dvh, 54px);
    font-size: 1.38rem;
  }
}

@media (max-width: 640px) {
  .arena-player-shell.join {
    align-content: start;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 8px 10px 18px;
  }

  .arena-player-join {
    width: 100%;
    gap: 8px;
  }

  .arena-player-join > .arena-player-mascot {
    width: clamp(70px, 13vh, 92px);
    height: clamp(70px, 13vh, 92px);
  }

  #arena-join-form {
    width: min(100%, 364px);
    max-width: calc(100vw - 24px);
    margin-inline: auto;
    gap: 12px;
    padding: 20px;
  }

  #arena-join-form h1 {
    margin: 0 0 2px;
    font-size: 2rem;
    line-height: 1.05;
  }

  #arena-join-form input {
    min-height: 48px;
  }

  .arena-avatar-trigger {
    min-height: 86px;
    padding: 8px;
  }

  .arena-avatar-trigger [data-avatar-preview],
  .arena-avatar-trigger .arena-avatar.small {
    width: 68px;
    height: 68px;
  }

  .arena-avatar-actions {
    grid-template-columns: 1fr 1fr;
  }

  .arena-avatar-actions .arena-btn {
    min-width: 0;
    min-height: 44px;
    padding: 0 10px;
    font-size: .9rem;
    line-height: 1.1;
    white-space: normal;
  }

  .arena-avatar-actions .arena-btn .material-symbols-outlined {
    flex: 0 0 auto;
  }

  .arena-avatar-panel {
    position: fixed;
    inset: 0;
    z-index: 40;
  }

  .arena-avatar-backdrop {
    z-index: 40;
  }

  .arena-avatar-dialog {
    width: 100%;
    max-height: none;
    height: 100dvh;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    left: 0;
    top: 0;
    z-index: 41;
    transform: none;
    border-radius: 0;
    padding:
      max(14px, env(safe-area-inset-top))
      14px
      max(14px, env(safe-area-inset-bottom));
  }

  .arena-avatar-modal-head h2 {
    font-size: 1.18rem;
  }

  .arena-avatar-editor-head {
    place-items: center;
    padding: 10px;
  }

  .arena-avatar-editor-head .arena-avatar.pick {
    width: 76px;
    height: 76px;
  }

  .arena-avatar-tabs {
    margin-inline: -2px;
    padding-bottom: 2px;
  }

  .arena-avatar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding-bottom: 16px;
  }

  .arena-avatar-choice {
    min-height: 126px;
  }

  .arena-avatar-modal-actions {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding-top: 10px;
  }

  .arena-character-trigger {
    width: 100%;
    min-height: 76px;
    display: grid;
    grid-template-columns: 62px minmax(0, 1fr) 24px;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 8px 8px;
    border: 1px solid rgba(0, 104, 118, .18);
    border-radius: var(--arena-radius);
    background: #fff;
    color: var(--arena-ink);
    text-align: left;
  }

  .arena-character-trigger [data-character-trigger-avatar] {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
  }

  .arena-character-trigger .arena-avatar.small {
    width: 58px;
    height: 58px;
    border-width: 2px;
    border-radius: var(--arena-radius);
  }

  .arena-character-trigger .arena-avatar.small img {
    transform: translateY(2%) scale(1.24);
  }

  .arena-character-trigger-copy {
    min-width: 0;
    display: grid;
    gap: 4px;
  }

  .arena-character-trigger-copy span {
    color: var(--arena-muted);
    font-size: .76rem;
    font-weight: 900;
    text-transform: uppercase;
  }

  .arena-character-trigger-copy strong {
    overflow: hidden;
    color: var(--arena-ink);
    font-size: 1.04rem;
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .arena-character-panel {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 40;
    align-items: end;
    padding: 14px;
  }

  .arena-character-picker.is-open .arena-character-panel {
    display: grid;
  }

  .arena-character-backdrop {
    display: block;
    position: absolute;
    inset: 0;
    background: rgba(20, 33, 38, .38);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .arena-character-dialog {
    width: min(100%, 520px);
    max-height: min(86vh, 650px);
    max-height: min(86dvh, 650px);
    display: grid;
    gap: 12px;
    position: relative;
    margin: 0 auto;
    padding: 14px;
    overflow: auto;
    border: 1px solid rgba(255, 255, 255, .78);
    border-radius: 18px 18px var(--arena-radius) var(--arena-radius);
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 28px 90px rgba(20, 33, 38, .26);
  }

  .arena-character-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  .arena-character-modal-head h2 {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.2;
  }

  .arena-character-modal-head .arena-icon-btn {
    width: 42px;
    min-height: 42px;
    padding: 0;
  }

  .arena-character-dialog .arena-character-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}