/* The homepage is the Arena: a full viewport graph beside its agent terminals. */
html:has(.arena-immersive),
body:has(.arena-immersive) {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background: #0d1420;
  color-scheme: dark;
}
body:has(.arena-immersive) > #announcer {
  position: fixed;
  top: 0;
  left: 0;
}

.app-shell.immersive-shell {
  position: relative;
  width: 100dvw;
  height: 100dvh;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #0d1420;
}

.main-workspace.arena-immersive {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-width: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #0d1420;
  color: #d9e1ed;
}

.arena-immersive .arena-workbench-immersive {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 38%);
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  width: 100dvw;
  height: 100dvh;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.arena-immersive .arena-stage {
  position: relative;
  isolation: isolate;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: #0d1420;
  box-shadow: none;
}

.arena-immersive .arena-stage-heading,
.arena-immersive .arena-commentary,
.arena-immersive .arena-stage-footnote {
  display: none;
}

.arena-immersive .arena-graph-shell {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  background: #0d1420;
}

.arena-immersive .arena-graph-viewport,
.arena-immersive #arena-graph-host {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
}

.arena-immersive .arena-graph-toolbar {
  top: 12px;
  left: 130px;
  right: 14px;
  z-index: 6;
  justify-content: flex-end;
  gap: 8px;
}

.arena-immersive .arena-graph-readout {
  display: none;
}

.arena-immersive .arena-graph-controls {
  gap: 6px;
}

.arena-immersive .arena-control,
.arena-immersive .arena-graph-controls .arena-graph-control {
  background: #1a222ddb;
  border-color: #36404e;
  border-radius: 4px;
  color: #c5cfdd;
  box-shadow: none;
}

.arena-immersive .arena-control:hover:not(:disabled),
.arena-immersive .arena-graph-controls .arena-graph-control:hover {
  border-color: #6d7b90;
  background: #27313ede;
  color: #f2f5fa;
}

.arena-immersive
  .arena-graph-controls
  .arena-graph-control[aria-pressed="true"] {
  background: #334053;
  border-color: #8593a9;
  color: #f0f4fa;
}

.arena-immersive .arena-graph-overlay-footer {
  left: 16px;
  right: 16px;
  bottom: 65px;
  gap: 8px;
  z-index: 4;
  max-width: calc(100% - 32px);
}

.arena-immersive .arena-graph-legend {
  gap: 7px 13px;
  font-size: 9px;
  color: #a0adc0;
}

.arena-immersive .arena-graph-hints {
  gap: 4px 10px;
  font-size: 9px;
  color: #8491a6;
}

.arena-immersive .arena-graph-hints span + span::before {
  padding-right: 10px;
}

.arena-immersive .arena-graph-inspector {
  position: absolute;
  top: 60px;
  right: 20px;
  bottom: auto;
  left: auto;
  z-index: 9;
  width: min(300px, calc(100% - 40px));
  max-height: calc(100% - 130px);
  margin: 0;
  overflow: auto;
  overscroll-behavior: contain;
  box-shadow: 0 12px 36px #0006;
}

.arena-immersive .arena-transport {
  position: absolute;
  inset: auto 0 0;
  z-index: 8;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  width: 100%;
  height: 48px;
  min-height: 0;
  margin: 0;
  padding: 8px 14px;
  border-top: 1px solid #303a484d;
  background: #101720e8;
  backdrop-filter: blur(12px);
}

.arena-immersive .arena-playback-buttons {
  flex: 0 0 auto;
  gap: 6px;
}

.arena-immersive .arena-transport .arena-control {
  height: 28px;
  font-size: 10px;
}

.arena-immersive .arena-transport .arena-play {
  min-width: 96px;
  padding-inline: 9px;
  background: #283341;
  border-color: #4b596d;
  color: #f0f4fa;
}

.arena-immersive .arena-transport .arena-play:hover:not(:disabled) {
  background: #354355;
  border-color: #8292aa;
}

.arena-immersive .arena-transport .arena-icon-button {
  width: 28px;
}

.arena-immersive .arena-scrubber {
  order: 0;
  flex: 1 1 auto;
  min-width: 35px;
  margin: 0;
  padding: 0;
}

.arena-immersive .arena-scrubber input {
  height: 3px;
  background: linear-gradient(
    to right,
    #9caec9 var(--replay-progress),
    #354151 var(--replay-progress)
  );
}

.arena-immersive .arena-scrubber input::-webkit-slider-thumb {
  height: 9px;
  width: 9px;
  background: #c7d2e3;
  box-shadow: 0 0 0 3px #7c91ae22;
}

.arena-immersive .arena-scrubber input::-moz-range-thumb {
  height: 9px;
  width: 9px;
  background: #c7d2e3;
}

.arena-immersive .arena-clock {
  flex: 0 0 auto;
  font-size: 8px;
  color: #a6b2c5;
}

.arena-immersive .arena-speed {
  flex: 0 0 auto;
}

.arena-immersive .arena-speed select {
  height: 26px;
  background: #1a232e;
  border-color: #394657;
  color: #c7d0df;
  font-size: 10px;
}

.arena-immersive-tools {
  position: absolute;
  top: 10px;
  left: 12px;
  z-index: 12;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.arena-immersive-tool {
  width: 30px;
  height: 30px;
}
.arena-workspace-panel {
  position: absolute;
  z-index: 20;
  top: 52px;
  left: 12px;
  width: min(360px, calc(100% - 24px));
  max-height: calc(100% - 68px);
  padding: 14px;
  overflow: auto;
  overscroll-behavior: contain;
  background: #171a1f;
  color: #d6d9df;
  border: 1px solid #3a3e46;
  border-radius: 6px;
  box-shadow: 0 12px 36px #0009;
  font-size: 12px;
  --color-text: #d6d9df;
  --color-muted: #959da9;
  --color-border: #353a43;
}
.arena-workspace-panel[hidden] {
  display: none;
}
.arena-workspace-panel > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.arena-workspace-panel h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
}
.arena-menu-panel nav {
  display: grid;
  gap: 3px;
}
.arena-menu-panel nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  border-radius: 4px;
  color: #cdd3dd;
}
.arena-menu-panel nav a:hover {
  background: #292e36;
  color: white;
}
.arena-setup-panel .config {
  display: grid;
  gap: 16px;
  padding: 0;
  margin-bottom: 18px;
  border: 0;
}
.arena-setup-panel .field {
  width: 100%;
}
.arena-setup-panel .field select,
.arena-setup-panel .field input {
  color: #e1e5ed;
  background: #22262c;
  padding: 4px 8px;
  height: 32px;
}
.arena-setup-panel .policy-choice {
  justify-content: space-between;
}
.arena-setup-panel .segmented {
  background: #22262c;
}
.arena-setup-panel .segmented button {
  color: #a3abb8;
}
.arena-setup-panel .segmented button[aria-pressed="true"] {
  background: #3b424d;
  color: white;
  border-color: #596474;
}
.arena-setup-panel > .button {
  width: 100%;
}
.arena-workspace-panel .button {
  background: #29313d;
  color: #e4eaf4;
  border-color: #485568;
}
.arena-workspace-panel > p {
  margin-top: 12px;
  color: #8e98a8;
  font-size: 10px;
}
.arena-history-panel {
  width: min(1050px, calc(100% - 24px));
}
.arena-history-panel .panel,
.arena-history-panel .panel-header,
.arena-history-panel .panel-footer,
.arena-history-panel .event-head,
.arena-history-panel .event-row,
.arena-history-panel .table-footer,
.arena-history-panel .action-detail,
.arena-history-panel .auditor-context,
.arena-history-panel .replay-row,
.arena-history-panel .table-row,
.arena-history-panel .code-card,
.arena-history-panel .detail-copy,
.arena-history-panel pre,
.arena-history-panel select {
  background: #171a1f;
  color: #ccd2dd;
  border-color: #363d48;
}
.arena-history-panel .panel {
  margin-top: 12px;
}
.arena-history-panel .selected {
  background: #263345;
}
.arena-history-panel .event-row:hover {
  background: #252d39;
}
.arena-immersive-error {
  position: absolute;
  z-index: 21;
  top: 54px;
  left: 12px;
  width: min(420px, calc(100% - 24px));
}
.arena-immersive-error .note {
  background: #301b1a;
  color: #e8b1a8;
  border-color: #795048;
}

@media (max-width: 700px) {
  .arena-immersive .arena-workbench-immersive {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 52%) minmax(0, 48%);
  }

  .arena-immersive .arena-graph-toolbar {
    top: 11px;
    left: 130px;
    right: 12px;
  }

  .arena-immersive .arena-graph-controls .arena-graph-control {
    height: 28px;
    padding-inline: 7px;
    font-size: 9px;
  }

  .arena-immersive .arena-graph-overlay-footer {
    left: 12px;
    right: 12px;
    max-width: calc(100% - 24px);
    bottom: 61px;
    gap: 6px;
  }

  .arena-immersive .arena-graph-legend {
    font-size: 8px;
    gap: 5px 11px;
  }

  .arena-immersive .arena-graph-hints {
    font-size: 8px;
    gap: 3px 8px;
  }

  .arena-immersive .arena-graph-hints span + span::before {
    padding-right: 8px;
  }

  .arena-immersive .arena-graph-inspector {
    top: 52px;
    right: 12px;
    width: min(300px, calc(100% - 24px));
    max-height: calc(100% - 110px);
    margin: 0;
    padding: 12px;
  }

  .arena-immersive .arena-transport {
    height: 48px;
    gap: 8px;
    padding: 8px 10px;
  }

  .arena-immersive .arena-transport .arena-play {
    min-width: 88px;
    padding-inline: 7px;
  }

  .arena-immersive .arena-graph-fallback {
    inset: 60px 20px 115px;
    gap: 5px;
    font-size: 11px;
    line-height: 1.4;
  }

  .arena-immersive .arena-graph-fallback strong {
    font-size: 14px;
  }
}

@media (max-width: 440px) {
  .arena-immersive .arena-clock {
    display: none;
  }
}