.tool { display: grid; gap: 16px; grid-template-columns: 1fr; grid-template-areas: "controls" "wheel" "editor"; }
@media (min-width: 720px) {
  .tool { grid-template-columns: 1.15fr 1fr; grid-template-areas: "wheel controls" "wheel editor"; grid-template-rows: auto 1fr; align-items: start; }
}
.controls { grid-area: controls; }
.wheel-wrap { grid-area: wheel; }
.editor { grid-area: editor; }
#wheel { width: 100%; height: auto; display: block; touch-action: none; cursor: grab; user-select: none; -webkit-user-select: none; }
.tip { text-align: center; color: var(--muted); font-size: 0.9rem; margin: 6px 0 0; }
#spin { width: 100%; font-size: 1.25rem; padding: 14px 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; }
#result { font-size: 1.3rem; font-weight: 700; min-height: 1.8em; margin: 8px 0 0; }
#hint { color: var(--muted); font-size: 0.92rem; margin: 4px 0 0; }
details.sect { border-bottom: 1px solid var(--border); padding: 4px 0; }
details.sect > summary { list-style: none; display: flex; align-items: center; justify-content: space-between; }
details.sect > summary::-webkit-details-marker { display: none; }
details.sect > summary::after { content: "+"; font-size: 1.4rem; color: var(--muted); }
details.sect[open] > summary::after { content: "‘2"; }
details.sect > summary h2 { margin: 0.5em 0; font-size: 1.15rem; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.presets button { border-radius: 999px; padding: 6px 14px; font-size: 0.95rem; }
.presets button[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.more { margin: 20px 0 8px; color: var(--muted); }