.page-home {
  overflow: hidden;
}

.site-main {
  display: flex;
  flex-direction: row;
  direction: ltr;
  height: calc(100dvh - var(--total-header));
  margin-top: 0;
  min-width: 0;
  min-height: 0;
}

.site-main:fullscreen {
  height: 100dvh;
}


.panel {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}


.panel--left {
  flex: 0 1 var(--panel-left-width);
  width: auto;
  min-width: var(--panel-left-min-width);
  max-width: var(--panel-left-max-width);
  background: var(--color-bg-panel);
  border-right: 2px solid var(--border-strong);
}


.panel--center {
  flex: 1 1 auto;
  min-width: var(--panel-center-min-width);
  background-color: var(--color-bg-secondary);
  position: relative;
  container-type: inline-size;
  container-name: center-stage;
}


.panel--right {
  flex: 0 1 var(--panel-right-width);
  width: auto;
  min-width: var(--panel-right-min-width);
  max-width: var(--panel-right-max-width);
  background: var(--color-bg-panel);
  border-left: 2px solid var(--border-strong);
}


.site-main.game-mode .panel--left,
.site-main.game-mode .panel--center {
  display: none;
}

.site-main.game-mode #game-frame {
  display: flex;
  flex: 1;
}


#game-frame {
  display: none;
  flex: 1;
  background-color: var(--color-bg);
  align-items: center;
  justify-content: center;
}