.runner-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
  gap: 22px;
}

.runner-stage-wrap {
  position: relative;
  min-height: clamp(520px, 68svh, 700px);
  border: 3px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #111827;
  box-shadow: var(--glass-shadow);
  touch-action: none;
}

.runner-stage,
.runner-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.runner-stage {
  min-height: inherit;
}

.runner-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.runner-view .stats {
  flex-wrap: wrap;
}

.runner-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(255, 244, 199, 0.72);
}

.runner-dialog {
  width: min(520px, 100%);
  padding: 22px;
  border: 3px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--glass-shadow);
  display: grid;
  gap: 16px;
}

.runner-dialog h2 {
  margin: 0;
  font-size: 1.55rem;
}

.runner-theme-options {
  display: grid;
  gap: 10px;
}

.runner-theme-option {
  min-height: 70px;
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff9e7;
  color: var(--ink);
  display: grid;
  gap: 5px;
  text-align: left;
  cursor: pointer;
}

.runner-theme-option[aria-pressed="true"] {
  border-color: var(--accent);
  background: #ffe7b8;
  box-shadow: 0 5px 0 rgba(112, 83, 39, 0.16);
}

.runner-theme-option strong,
.runner-theme-option span {
  display: block;
}

.runner-theme-option span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.runner-result {
  margin: 0;
  color: var(--muted-strong);
  font-weight: 700;
}

@media (max-width: 820px) {
  .runner-view .topbar {
    display: grid;
  }

  .runner-shell {
    grid-template-columns: 1fr;
  }

  .runner-stage-wrap {
    min-height: min(58svh, 560px);
  }

  .runner-panel {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    align-items: start;
  }
}

@media (max-width: 560px) {
  .runner-stage-wrap {
    min-height: 390px;
  }

  .runner-overlay {
    padding: 12px;
  }

  .runner-dialog {
    padding: 14px;
    gap: 10px;
  }

  .runner-dialog h2 {
    font-size: 1.25rem;
  }

  .runner-theme-options {
    gap: 8px;
  }

  .runner-theme-option {
    min-height: 56px;
    padding: 8px 10px;
  }

  .runner-theme-option span {
    font-size: 0.8rem;
    line-height: 1.25;
  }

  .runner-panel {
    grid-template-columns: 1fr;
  }
}