.tone-btn{margin-left:auto}.stage>.tone-panel{grid-column:2;width:100%;box-sizing:border-box}@media(max-width:760px){.stage>.tone-panel{grid-column:1}}.tone-panel{margin-top:14px;padding:16px 18px;border:1px solid var(--border-subtle, #232C40);border-radius:14px;background:rgba(255,255,255,0.02);display:grid;gap:12px}.tone-panel.off .tone-rows,.tone-panel.off .tone-presets{opacity:.45}.tone-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.tone-head .switch{display:inline-flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.tone-rows{display:grid;gap:8px}.tone-row{display:grid;grid-template-columns:64px 1fr 62px;align-items:center;gap:12px;font-size:13px;color:var(--text-muted, #9AA6BF)}.tone-row input[type=range]{width:100%}.tone-val{text-align:right;font-variant-numeric:tabular-nums;color:var(--text-main, #E8EDF7)}.tone-presets{display:flex;gap:6px;flex-wrap:wrap}.tone-presets button[aria-pressed=true]{color:var(--accent-cyan, #3EE6E0);border-color:var(--accent-cyan, #3EE6E0)}