/* Settings gear (fixed top-right, every screen) + Interface-Options-style sound panel. */
#app { padding-top: 46px; }
@media (min-width: 1300px) { #app { padding-top: 12px; } }   /* wide screens: the gear sits in the side gutter */
.set-gear { position: fixed; top: max(8px, env(safe-area-inset-top)); right: max(8px, env(safe-area-inset-right)); z-index: 900; width: 36px; height: 36px; padding: 0; display: grid; place-items: center;
  font-size: 24px; line-height: 1; color: #3a2410; border: 0; border-radius: 50%; cursor: pointer;
  background: radial-gradient(circle at 35% 30%, #f2e0b6, #cdb282 70%); box-shadow: inset 0 0 0 2px #8a6d3b, 0 3px 7px rgba(0,0,0,.65); transition: transform .25s, filter .15s; }
@media (hover: hover) { .set-gear:hover { filter: brightness(1.12); transform: rotate(40deg); } }
.set-gear:active { transform: scale(.94); }
.set-gear.muted::after { content: "\1F507"; position: absolute; right: -4px; bottom: -4px; font-size: 14px; line-height: 1; text-shadow: 0 1px 2px #000; }
.set-gear.open { box-shadow: inset 0 0 0 2px var(--gold), 0 3px 7px rgba(0,0,0,.65); transform: rotate(90deg); }
.set-gear:focus-visible, .set-panel button:focus-visible, .set-panel input:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.set-veil { position: fixed; inset: 0; z-index: 950; display: flex; align-items: flex-start; justify-content: flex-end; padding: calc(52px + env(safe-area-inset-top)) 12px 12px; background: rgba(0,0,0,.45); }
.set-veil[hidden] { display: none; }
.set-panel { width: min(380px, 100%); border-radius: 8px; padding: 0 0 14px; color: var(--text);
  background: linear-gradient(180deg, #221a10, #120e08 80%); border: 2px solid var(--edge-hi);
  box-shadow: inset 0 0 0 1px #000, inset 0 1px 0 rgba(255,220,150,.12), 0 12px 32px rgba(0,0,0,.8); }
.set-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 8px 8px 16px; border-bottom: 1px solid var(--edge);
  background: linear-gradient(#3a2a16, #241a0e); border-radius: 6px 6px 0 0; }
.set-head h2 { font-size: 20px; }
.set-x { width: 30px; height: 30px; padding: 0; font-size: 22px; line-height: 1; color: var(--gold); background: linear-gradient(#8b1a10, #5a0f08);
  border: 1px solid #c9a24a; border-radius: 4px; box-shadow: 0 2px 0 #000; }
@media (hover: hover) { .set-x:hover { filter: brightness(1.25); } }
.set-body { padding: 12px 16px 0; display: grid; gap: 14px; }
.set-row { display: grid; grid-template-columns: 1fr 34px 58px; grid-template-areas: "l l o" "r r t"; gap: 4px 8px; align-items: center; }
.set-row label { grid-area: l; font-size: 15px; }
.set-row.master label { color: var(--gold); font-family: var(--font-head); font-size: 17px; }
.set-row output { grid-area: o; text-align: right; color: var(--gold); font-variant-numeric: tabular-nums; }
.set-row input[type=range] { grid-area: r; width: 100%; margin: 0; height: 22px; background: transparent; appearance: none; -webkit-appearance: none; cursor: pointer; --fill: 50%; }
.set-row input[type=range]::-webkit-slider-runnable-track { height: 8px; border-radius: 4px; border: 1px solid #000;
  background: linear-gradient(90deg, #c9a24a var(--fill), #3a2e1e var(--fill)); box-shadow: inset 0 1px 2px rgba(0,0,0,.7); }
.set-row input[type=range]::-moz-range-track { height: 8px; border-radius: 4px; border: 1px solid #000; background: #3a2e1e; }
.set-row input[type=range]::-moz-range-progress { height: 8px; border-radius: 4px; background: #c9a24a; }
.set-row input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 22px; margin-top: -8px; border-radius: 3px; border: 1px solid #000;
  background: linear-gradient(#f2e0b6, #b8975a); box-shadow: 0 1px 3px rgba(0,0,0,.7); }
.set-row input[type=range]::-moz-range-thumb { width: 16px; height: 20px; border-radius: 3px; border: 1px solid #000; background: linear-gradient(#f2e0b6, #b8975a); }
.set-test { grid-area: t; min-height: 28px; padding: 2px 8px; font-size: 13px; color: var(--text); background: var(--panel-2); border: 1px solid var(--edge); border-radius: 4px; }
@media (hover: hover) { .set-test:hover { border-color: var(--gold); color: var(--gold); } }
.set-test-gap { grid-area: t; }
.set-mute { display: flex; align-items: center; gap: 10px; padding-top: 10px; border-top: 1px solid var(--edge); cursor: pointer; }
.set-mute input { width: 18px; height: 18px; accent-color: #c9a24a; }
.set-veil.is-muted .set-row input[type=range], .set-veil.is-muted .set-row output { opacity: .45; }
@media (max-width: 480px) { .set-veil { padding: 52px 8px 8px; justify-content: center; } }
.set-row.set-sel { grid-template-columns: 1fr auto; grid-template-areas: "l s"; }
.set-row.set-sel label { grid-area: l; } .set-row.set-sel select { grid-area: s; min-height: 32px; }
.set-row.set-chk { display: flex; }
.set-row.set-chk label { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.set-row.set-chk input { width: 18px; height: 18px; accent-color: #c9a24a; }
@media (pointer: coarse) {
  .set-gear { width: 44px; height: 44px; }
  .set-x { width: 44px; height: 44px; }
  .set-test { min-height: 40px; }
  .set-row.set-sel select { min-height: 40px; }
  .set-veil { padding-top: calc(60px + env(safe-area-inset-top)); }
}