/* Settings: an always-on 56 px icon rail on the right edge + a flyout beside it showing ONE section at a time
   (user, 2026-11-13). Phone: the rail is a bottom bar and the flyout a sheet above it.
   Design source: scratchpad/settings-panel/panel-src.html (approved). The CSS below is the mock's, scoped under .spx
   so the scene's own classes (.chip, .row, .seg, .bar ...) never collide with it. */
:root {
  --cd-bg: #0b0f0d;  --cd-bg-2: #121815;  --cd-bg-3: #19211d;
  --cd-line: rgba(237, 230, 216, .12);  --cd-line-strong: rgba(237, 230, 216, .22);
  --cd-muted: #b0aa9e;   /* 8.3:1 on --cd-bg */
  --cd-dim: #8f8a80;     /* 5.6:1 on --cd-bg: dimmest text allowed */
  --cd-ready: var(--sage); --cd-work: var(--amber); --cd-err: var(--ember);
  --cd-w: 400px; --cd-rail: 56px;
  --sel-line: rgba(255, 207, 150, .62);
  --sel-bg: rgba(255, 207, 150, .09);
  --tap: 32px;
}

/* ============ the scene: a fixed box the canvas and every in-scene overlay lay out in ============ */
.sp-main { position: fixed; top: 0; left: 0; bottom: 0; right: var(--cd-w); overflow: hidden; background: #050506; transition: right .28s ease;
  contain: layout; container: stage / inline-size; }
/* the stage = viewport - rail - (flyout when open) */
.sp-main { right: var(--cd-rail); }
body.fly-open .sp-main { right: calc(var(--cd-rail) + var(--cd-w)); }
/* the phase strip needs the width it had at a 1100 px window */
@container stage (max-width: 1100px) {
  .top .arc { display: none; }
  .top { grid-template-columns: 1fr auto; }
}
body.sp-hide-dock #dock, body.sp-hide-map #floormap, body.sp-hide-sensor #inp, body.sp-hide-sensor #plat { display: none !important; }

.spx { color: var(--ink); font: 14px/1.5 var(--sans); }
.spx button, .spx input { font: inherit; color: inherit; }
.spx button { cursor: pointer; }
.spx :focus-visible { outline: 2px solid var(--ww); outline-offset: 2px; }
.spx .vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.spx kbd { font: 11px/18px var(--mono); border: 1px solid var(--cd-line-strong); border-radius: 4px; padding: 0 5px; color: var(--cd-muted); }

.toast.spx { position: absolute; top: 16px; right: 16px; z-index: 9; transform: translate(0, -4px); display: flex; align-items: center; gap: 8px; padding: 7px 14px 7px 12px; border-radius: 999px;
  background: rgba(11, 15, 13, .9); border: 1px solid var(--cd-line-strong); font-size: 13px; white-space: nowrap; opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; }
.toast.spx.on { opacity: 1; transform: none; }
.toast.spx i { width: 7px; height: 7px; border-radius: 50%; background: var(--cd-ready); }
.toast.spx span { color: var(--cd-muted); }

/* ============ the flyout: sits immediately left of the rail ============ */
.sp.spx { position: fixed; top: 0; right: var(--cd-rail); bottom: 0; width: var(--cd-w); z-index: 12; transition: transform .22s ease, opacity .18s ease, visibility 0s linear 0s; display: flex; flex-direction: column; color: var(--ink);
  background: radial-gradient(140% 50% at 100% 0%, rgba(46, 92, 70, .22), transparent 62%), var(--cd-bg); border-left: 1px solid var(--cd-line-strong); }
body:not(.fly-open) .sp.spx { visibility: hidden; opacity: 0; transform: translateX(14px); pointer-events: none; transition: transform .22s ease, opacity .18s ease, visibility 0s linear .22s; }
.spx .sp-grip { position: absolute; left: -5px; top: 0; bottom: 0; width: 10px; cursor: col-resize; z-index: 2; display: grid; place-items: center; background: none; border: 0; padding: 0; touch-action: none; }
.spx .sp-grip::after { content: ""; width: 4px; height: 36px; border-radius: 4px; background: var(--cd-line-strong); }
.spx .sp-grip:hover::after, .spx .sp-grip:focus-visible::after { background: var(--ww); }

.spx .sp-head { display: flex; align-items: center; gap: 10px; padding: 12px 10px 12px 16px; min-height: 60px; border-bottom: 1px solid var(--cd-line); }
.spx .mark { flex: none; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: rgba(255, 207, 150, .1); color: var(--ww); border: 0; padding: 0; }
.spx .mark svg { width: 16px; height: 16px; }
.spx .sp-title { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1; }
.spx .sp-name { font-family: var(--serif); font-style: italic; font-size: 20px; line-height: 1; }
.spx .status { display: inline-flex; align-items: center; gap: 6px; margin: 0; font-size: 12px; color: var(--cd-muted); white-space: nowrap; }
.spx .status i, .spx .dot { flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--c, var(--cd-ready)); }
.spx .sp-title .status span { overflow: hidden; text-overflow: ellipsis; }
.spx .grow { flex: 1; }
.spx .ibtn { flex: none; width: 36px; height: 36px; border-radius: 999px; border: 1px solid var(--cd-line); background: none; color: var(--cd-muted); display: grid; place-items: center; padding: 0; }
.spx .ibtn:hover { color: var(--ink); border-color: var(--cd-line-strong); }
.spx .ibtn svg { width: 16px; height: 16px; }
.spx .ibtn.sm { width: 30px; height: 30px; }
.spx .ibtn.sm svg { width: 14px; height: 14px; }
.spx .ibtn[disabled] { opacity: .4; cursor: default; }
.spx .i-phone { display: none; }

.spx .seg { display: inline-flex; flex-wrap: nowrap; padding: 3px; background: rgba(10, 10, 13, .58); border: 1px solid var(--line); border-radius: 999px; gap: 2px; backdrop-filter: none; -webkit-backdrop-filter: none; }
.spx .seg button { border: 0; background: none; padding: 4px 12px; min-height: var(--tap); border-radius: 999px; font-size: 12.5px; color: var(--cd-muted); white-space: nowrap; }
.spx .seg button:hover { color: var(--ink); }
.spx .seg button[aria-checked="true"] { background: rgba(237, 230, 216, .14); color: var(--ink); }
.spx .seg button[disabled] { opacity: .45; cursor: default; }
.spx .seg.full { display: flex; }
.spx .seg.full button { flex: 1; }
.spx .seg .ico { display: inline-flex; vertical-align: -3px; margin-right: 5px; }
.spx .seg .ico svg { width: 15px; height: 15px; }
/* seed arcs: tree target (All trees + one per tree) wraps to two lines in a narrow panel; a dot marks a tree with its own set */
.spx .seg.tgt { flex-wrap: wrap; border-radius: 16px; }
.spx .seg.tgt button { flex: 1 0 auto; padding: 4px 9px; }
.spx .seg.tgt .dot { display: inline-block; width: 6px; height: 6px; margin-left: 6px; vertical-align: 1px; --c: var(--ww); }
.spx .seg.tgt .dot[hidden], .spx .tbtn[hidden] { display: none; }

/* combination bar */
.spx .combo { padding: 12px 16px 12px; border-bottom: 1px solid var(--cd-line); background: rgba(18, 24, 21, .55); }
.spx .combo-h { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.spx .eyebrow { font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--cd-dim); }
.spx .tbtn { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--cd-line-strong); background: rgba(237, 230, 216, .04); font-size: 12px; color: var(--ink); white-space: nowrap; }
.spx .tbtn:hover { background: rgba(237, 230, 216, .1); }
.spx .tbtn svg { width: 13px; height: 13px; flex: none; }
.spx .tbtn.warm { border-color: rgba(255, 154, 60, .5); background: rgba(255, 154, 60, .1); color: var(--ww); }
.spx .tbtn.warn { border-color: rgba(255, 74, 26, .55); color: #ffb39c; background: rgba(255, 74, 26, .07); }
.spx .tokens { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.spx .token { display: flex; flex-direction: column; align-items: stretch; gap: 3px; padding: 3px 3px 5px; border-radius: 9px; border: 1px solid var(--cd-line); background: rgba(237, 230, 216, .04); font-size: 12px; white-space: nowrap; min-width: 0; text-align: center; }
.spx .token .tl { font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--cd-dim); }
.spx .token:hover { border-color: var(--cd-line-strong); background: rgba(237, 230, 216, .08); }
.spx .token .tsw { width: 100%; height: 26px; border-radius: 6px; overflow: hidden; flex: none; background: #070a08; }
.spx .token .tsw svg { width: 100%; height: 100%; display: block; }
.spx .token b { font-weight: 500; font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; }
.spx .token.flash { border-color: var(--sel-line); background: var(--sel-bg); }
.spx .presets { display: flex; align-items: center; gap: 6px; margin-top: 9px; }
.spx .slot { display: inline-flex; align-items: center; gap: 7px; min-width: 0; flex: 1 1 0; min-height: 40px; padding: 3px 8px 3px 5px; border-radius: 9px; border: 1px solid var(--cd-line); background: none; font-size: 12px; color: var(--cd-muted); text-align: left; }
.spx .slot .l { flex: none; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font: 600 11px var(--mono); background: rgba(237, 230, 216, .08); color: var(--ink); }
.spx .slot .s { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.spx .slot .s b, .spx .slot .s small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spx .slot .s b { font-weight: 500; color: var(--ink); font-size: 12px; }
.spx .slot .s small { font-size: 11px; color: var(--cd-dim); }
.spx .slot.empty .s { font-size: 12px; }
.spx .slot.empty { border-style: dashed; }
.spx .slot.empty .l { background: none; border: 1px dashed var(--cd-line-strong); color: var(--cd-dim); }
.spx .slot[aria-pressed="true"] { border-color: var(--sel-line); background: var(--sel-bg); color: var(--ink); }
.spx .slot[aria-pressed="true"] .l { background: var(--ww); color: #0b0f0d; }
.spx .slot:hover { border-color: var(--cd-line-strong); }

/* find a setting */
.spx .find { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--cd-line); }
.spx .field { flex: 1; display: flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 10px; border-radius: 10px; background: var(--cd-bg-2); border: 1px solid var(--cd-line); color: var(--cd-dim); }
.spx .field:focus-within { border-color: var(--cd-line-strong); }
.spx .field svg { width: 14px; height: 14px; flex: none; }
.spx .field input { flex: 1; min-width: 0; border: 0; background: none; outline: 0; color: var(--ink); font-size: 13px; }
.spx .field input::placeholder { color: var(--cd-dim); }

/* one section at a time: the flyout shows the overview OR one section; the section title is the page title, sticky.
   Hierarchy: section title (17 px, amber icon) > group (uppercase label, strong rule) > row (13 px) > nested sub-panel */
.spx .body { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: rgba(237,230,216,.18) transparent;
  padding: 0 0 18px; }
.spx [data-sec][data-open="false"], #sp[data-cur="overview"] #spBody { display: none; }
#sp:not([data-cur="overview"]) #sec-overview { display: none; }
.spx .sec { background: var(--cd-bg); }
.spx .sec-h { position: sticky; top: 0; z-index: 3; display: flex; align-items: center; gap: 12px; margin: 0; min-height: 60px; padding: 12px 20px; font: inherit; outline-offset: -2px;
  background: var(--cd-bg-2); border-bottom: 1px solid var(--cd-line-strong); box-shadow: 0 8px 14px -10px rgba(0, 0, 0, .7); }
.spx .sec-ico { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: rgba(255, 207, 150, .14); color: var(--ww); }
.spx .sec-ico svg { width: 17px; height: 17px; }
.spx .sec-t { font-size: 17px; font-weight: 600; letter-spacing: .005em; flex: none; color: var(--ink); }
.spx .sec-sum { flex: 1; min-width: 0; text-align: right; font-size: 12.5px; color: var(--cd-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spx .sec-b { padding: 0 20px 16px; }
.spx .ov .combo { border-bottom: 1px solid var(--cd-line); }
.spx .ov .find { border-bottom: 0; padding-top: 14px; }
/* find results: each one jumps the flyout to its section and lands on the row */
.spx .find-res { list-style: none; margin: 0 12px; padding: 4px 0; border: 1px solid var(--cd-line-strong); border-radius: 12px; background: var(--cd-bg-2); }
.spx .find-res[hidden] { display: none; }
.spx .find-res .hit { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 10px; width: 100%; padding: 8px 12px; border: 0; background: none; text-align: left; border-radius: 8px; }
.spx .find-res .hit b { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.spx .find-res .hit span { grid-column: 1; font-size: 12px; color: var(--cd-muted); }
.spx .find-res .hit svg { grid-column: 2; grid-row: 1 / span 2; align-self: center; width: 14px; height: 14px; color: var(--cd-muted); }
.spx .find-res .hit:hover, .spx .find-res .hit:focus-visible { background: var(--cd-bg-3); }
.spx .find-res .hit:hover svg, .spx .find-res .hit:focus-visible svg { color: var(--ww); }
.spx .find-res .none { padding: 10px 12px; font-size: 13px; color: var(--cd-muted); }
/* overview: the sections as a labelled list (the rail is icon-only) */
.spx .flash { animation: sp-flash 1.6s ease-out; border-radius: 10px; }
@keyframes sp-flash { 0%, 30% { box-shadow: 0 0 0 2px var(--sel-line); background: var(--sel-bg); } 100% { box-shadow: 0 0 0 2px transparent; background: transparent; } }

/* groups: labelled blocks inside a section, split by a full-width rule */
.spx .grp { padding: 16px 0 0; }
.spx .grp[hidden] { display: none; }
.spx .grp + .grp { margin-top: 16px; border-top: 1px solid var(--cd-line-strong); }
.spx .grp-h, .spx .grp.lead > .row:first-child > .row-h > .row-l { margin: 0; font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--cd-muted); line-height: 18px; }
.spx .grp-h { margin-bottom: 10px; }
.spx .grp > .row:first-child, .spx .grp-h + .row, .spx .grp > .srow:first-child:not(.feat), .spx .grp-h + .srow:not(.feat) { padding-top: 0; border-top: 0; }

/* rows */
.spx .row { display: block; padding: 12px 0; scroll-margin-top: 64px; }
.spx .grp > .row + .row, .spx .grp > .srow + .row:not(.feat), .spx .grp > .row + .srow:not(.feat), .spx .grp > .srow:not(.feat) + .srow:not(.feat) { border-top: 1px solid var(--cd-line); }
.spx .row[hidden] { display: none; }
.spx .row-h { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; min-height: 22px; }
.spx .row-l { font-size: 13px; font-weight: 500; }
.spx .row-v { font-size: 12.5px; color: var(--ww); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.spx .row-note { margin: 8px 0 0; font-size: 12.5px; color: var(--cd-muted); }
.spx .row-note.dim { color: var(--cd-dim); }
.spx .row-note[hidden] { display: none; }
.spx .row.nested { margin: 2px 0 0 4px; padding: 6px 0 2px 14px; border-top: 0 !important; border-left: 2px solid var(--cd-line-strong); }
.spx .mini { margin: 12px 0 6px; font-size: 12px; color: var(--cd-muted); }
.spx .tag { display: inline-flex; align-items: center; gap: 4px; margin: 0; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--cd-dim); border: 1px solid var(--cd-line); border-radius: 999px; padding: 0 7px; line-height: 18px; white-space: nowrap; }
.spx .tag.new { color: var(--ww); border-color: rgba(255, 207, 150, .4); }
.spx .tag.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cd-ready); }

/* switch row: title + key hint, description, On/Off text, switch */
.spx .srow { display: flex; align-items: center; gap: 10px; padding: 10px 0; scroll-margin-top: 64px; }
.spx .srow[hidden] { display: none; }
.spx .srow .txt { flex: 1; min-width: 0; }
.spx .tl { display: flex; align-items: center; gap: 8px; min-width: 0; }
.spx .srow .tl b { font-size: 13px; font-weight: 500; }
.spx .srow .ds { display: block; margin-top: 1px; font-size: 12px; color: var(--cd-dim); }
.spx .srow[aria-disabled="true"] .tl b { color: var(--cd-muted); }
.spx .sw { flex: none; display: block; position: relative; width: 42px; height: 24px; border-radius: 999px; border: 1px solid var(--cd-line-strong); background: rgba(237, 230, 216, .06); padding: 0; }
.spx .sw::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--cd-muted); transition: transform .18s, background .18s; }
.spx .sw[aria-checked="true"] { background: rgba(255, 207, 150, .22); border-color: var(--sel-line); }
.spx .sw[aria-checked="true"]::after { transform: translateX(18px); background: var(--ww); }
.spx .sw[disabled] { opacity: .4; cursor: default; }
.spx .sw-st { order: 2; flex: none; width: 26px; margin-right: -2px; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--cd-dim); text-align: right; }
.spx .srow > .sw { order: 3; }
.spx .sw-st::before { content: "Off"; }
.spx .sw[aria-checked="true"] + .sw-st { color: var(--ww); }
.spx .sw[aria-checked="true"] + .sw-st::before { content: "On"; }
.spx .sw[disabled] + .sw-st { opacity: .6; }
.spx .srow .k, .spx .tl .k { flex: none; }

/* feature toggles (Wrap lights, Paper skin, Floor cover, Seed arcs, live sensor): a contained tile that lights up when on */
.spx .feat { padding: 12px 12px 12px 14px; border: 1px solid var(--cd-line-strong); border-radius: 12px; background: var(--cd-bg-3); }
.spx .grp > .feat + .feat { margin-top: 8px; }
.spx .feat .tl b, .spx .feat .tl .row-l { font-size: 14px; font-weight: 600; color: var(--ink); }
.spx .feat .ds, .spx .feat .row-note { color: var(--cd-muted); }
.spx .row.feat .row-h { margin-bottom: 10px; }
.spx .srow.feat:has(> .sw[aria-checked="true"]) { border-color: var(--sel-line); background: linear-gradient(var(--sel-bg), var(--sel-bg)), var(--cd-bg-3); }
.spx .srow.feat .sw { width: 46px; height: 26px; }
.spx .srow.feat .sw::after { width: 18px; height: 18px; }
.spx .srow.feat .sw[aria-checked="true"]::after { transform: translateX(20px); }

/* seed arcs: one card; the switch row on top, its parameters nested beneath in a recessed, indented sub-panel */
.spx .feat-card { border: 1px solid var(--cd-line-strong); border-radius: 12px; background: var(--cd-bg-3); scroll-margin-top: 64px; }
.spx .feat-card.is-on { border-color: var(--sel-line); }
.spx .feat-card > .srow.feat { border: 0; border-radius: 11px; background: none; }
.spx .feat-card.is-on > .srow.feat { border-radius: 11px 11px 0 0; background: var(--sel-bg); border-bottom: 1px solid rgba(255, 207, 150, .25); }
.spx .nest { position: relative; margin: 12px 12px 12px 26px; padding: 4px 12px 12px; border-radius: 10px; background: #0d120f; border: 1px solid var(--cd-line); }
.spx .nest::before { content: ""; position: absolute; left: -15px; top: -12px; bottom: 18px; width: 2px; border-radius: 2px; background: rgba(255, 207, 150, .38); }
.spx .nest[hidden] { display: none; }
.spx .nest-note { margin: 8px 0 0; font-size: 11.5px; color: var(--cd-dim); }
.spx .ngrp { padding-top: 12px; }
.spx .ngrp + .ngrp { margin-top: 12px; border-top: 1px solid var(--cd-line); }
.spx .nest-h { margin: 0 0 4px; font-size: 10.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ww); opacity: .9; }
.spx .nest .row.sl { padding: 6px 0 2px; border-top: 0; }
.spx .nest .row.sl .row-h { margin-bottom: 0; gap: 6px; min-height: 20px; }
.spx .nest .row.sl .row-l { font-size: 12.5px; font-weight: 400; flex: 0 1 auto; min-width: 0; }
.spx .nest .row.sl .row-v { font-size: 11px; color: var(--cd-dim); }
.spx .nest .row.sl output { flex: none; min-width: 52px; text-align: right; font: 12px var(--mono); color: var(--ink); }
.spx .nest .row.sl .range input { height: 22px; }
.spx .nest .srow { padding: 7px 0; }
.spx .nest .srow + .srow { border-top: 1px solid var(--cd-line); }
.spx .nest .srow .tl b { font-size: 12.5px; }
.spx .nest .row { padding: 4px 0 0; }
.spx .nest .kv { grid-template-columns: auto 1fr; gap: 3px 14px; margin-top: 4px; }
.spx .nest-act { margin-top: 8px; }
/* visual chips */
.spx .chips { display: grid; grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); gap: 6px; }
.spx .chip { position: relative; display: flex; flex-direction: column; gap: 5px; padding: 4px 4px 6px; min-height: 0; border-radius: 10px; border: 1px solid var(--cd-line); background: rgba(237, 230, 216, .03); color: var(--cd-muted); min-width: 0; text-align: left; touch-action: manipulation; }
.spx .chip:hover { border-color: var(--cd-line-strong); color: var(--ink); }
.spx .chip .th { display: block; height: 46px; border-radius: 7px; overflow: hidden; background: #070a08; }
.spx .chip .th svg { width: 100%; height: 100%; display: block; transform: none; }
.spx .chip .nm { font-size: 12px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: inherit; line-height: 1.5; }
.spx .chip[aria-checked="true"] { border-color: var(--sel-line); background: var(--sel-bg); color: var(--ink); }
.spx .chip[aria-checked="true"]::after { content: ""; position: absolute; top: 8px; right: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--ww); box-shadow: 0 0 0 2px #0b0f0d; }
.spx .chip[disabled] { opacity: .45; cursor: default; }
.spx .chips[aria-busy="true"] .chip[aria-checked="true"] { animation: spBusy .9s ease-in-out infinite alternate; cursor: progress; }
@keyframes spBusy { to { opacity: .55; } }
.spx .blurb { margin: 8px 0 0; font-size: 12.5px; color: var(--cd-muted); min-height: 2.9em; }
.spx .blurb b { color: var(--ink); font-weight: 500; }
.spx .blurb[hidden] { display: none; }

/* input model radio list */
.spx .opts { display: flex; flex-direction: column; gap: 4px; }
.spx .opt { display: grid; grid-template-columns: 16px 1fr auto; gap: 1px 10px; align-items: start; width: 100%; padding: 8px 10px; border-radius: 10px; border: 1px solid transparent; background: none; text-align: left; }
.spx .opt:hover { background: rgba(237, 230, 216, .04); }
.spx .opt .rd { grid-row: span 2; margin-top: 3px; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid var(--cd-dim); }
.spx .opt b { font-size: 13px; font-weight: 500; }
.spx .opt span { grid-column: 2 / 4; font-size: 12px; color: var(--cd-dim); }
.spx .opt[aria-checked="true"] { border-color: var(--sel-line); background: var(--sel-bg); }
.spx .opt[aria-checked="true"] .rd { border-color: var(--ww); background: radial-gradient(circle, var(--ww) 0 4px, transparent 4.5px); }
.spx .opt[aria-checked="true"] span { color: var(--cd-muted); }

/* ranges */
.spx .range { display: flex; align-items: center; gap: 10px; font-size: 14px; color: inherit; }
.spx .range input { flex: 1; accent-color: var(--ww); min-width: 0; height: 24px; }
.spx .range output { font: 12px var(--mono); color: var(--cd-muted); min-width: 44px; text-align: right; }

/* live readouts */
.spx .arc { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 3px; margin: 0; padding: 0; background: none; border: 0; border-radius: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }
.spx .arc span { display: flex; flex-direction: column; gap: 5px; font-size: 10.5px; color: var(--cd-dim); min-width: 0; }
.spx .arc span i { height: 4px; border-radius: 2px; background: rgba(237, 230, 216, .1); }
.spx .arc span.done i { background: rgba(237, 230, 216, .32); }
.spx .arc span.now { color: var(--ink); }
.spx .arc span.now i { background: var(--ph); box-shadow: 0 0 10px var(--ph); }
.spx .arc span em { font-style: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spx .btnrow { display: flex; flex-wrap: wrap; gap: 6px; }
.spx .btnrow .tbtn { min-height: 30px; }
.spx .tbtn[aria-current="true"] { border-color: var(--sel-line); background: var(--sel-bg); color: var(--ww); }
.spx .tt { display: grid; grid-template-columns: 62px 1fr 1fr 74px; gap: 6px 10px; align-items: center; font-size: 12px; }
.spx .tt .h { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--cd-dim); }
.spx .tt .n { color: var(--c); font-weight: 500; }
.spx .tt .st { color: var(--cd-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.spx .bar { display: block; height: 6px; border-radius: 3px; background: rgba(237, 230, 216, .08); overflow: hidden; }
.spx .bar i { display: block; height: 100%; width: 0; background: var(--c, var(--ww)); border-radius: 3px; transition: width .3s; }
.spx .kv { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 3px 10px; margin: 10px 0 0; font-size: 12px; }
.spx .kv dt { color: var(--cd-dim); }
.spx .kv dd { margin: 0; font-family: var(--mono); color: var(--cd-muted); }
.spx .meters { display: grid; grid-template-columns: 28px 1fr 1fr; gap: 6px 10px; align-items: center; font-size: 12px; }
.spx .meters .z { font: 11px var(--mono); color: var(--cd-dim); }

/* reference material: collapsed by default */
.spx details.ref { margin-top: 16px; border: 1px dashed var(--cd-line-strong); border-radius: 12px; background: transparent; }
.spx details.ref[open] { border-style: solid; border-color: var(--cd-line); background: rgba(0, 0, 0, .18); }
.spx details.ref[hidden] { display: none; }
.spx details.ref > summary { list-style: none; display: flex; align-items: center; gap: 8px; min-height: 38px; padding: 6px 12px; font-size: 12.5px; color: var(--cd-muted); cursor: pointer; }
.spx details.ref > summary::-webkit-details-marker { display: none; }
.spx details.ref > summary svg { width: 13px; height: 13px; transition: transform .2s; flex: none; }
.spx details.ref[open] > summary svg { transform: rotate(90deg); }
.spx details.ref > summary b { color: var(--ink); font-weight: 500; }
.spx .ref-b { padding: 4px 12px 12px; border-top: 1px solid var(--cd-line); font-size: 12.5px; color: var(--cd-muted); }
.spx .ref-b h4 { margin: 12px 0 6px; font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--cd-dim); font-weight: 600; }
.spx .ref-b p { margin: 0 0 6px; }
.spx .ref-b dl { display: grid; grid-template-columns: 76px 1fr; gap: 4px 10px; margin: 0; }
.spx .ref-b dt { color: var(--cd-dim); }
.spx .ref-b dd { margin: 0; }
.spx .pal { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.spx .pal span { display: inline-flex; align-items: center; gap: 6px; }
.spx .pal i { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.spx .cues { display: flex; flex-direction: column; gap: 3px; }
.spx .cue { display: flex; align-items: center; gap: 8px; margin: 0; padding: 4px 8px; border-radius: 8px; border: 1px solid transparent; }
.spx .cue .cs { display: inline-flex; gap: 2px; }
.spx .cue .cs i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
.spx .cue.live { border-color: rgba(255, 47, 176, .4); background: rgba(255, 47, 176, .06); color: var(--ink); }
.spx .cue.live::after { content: "live"; margin-left: auto; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--cd-ready); }
.spx .keys { display: grid; grid-template-columns: auto 1fr; gap: 5px 10px; align-items: center; font-size: 12.5px; color: var(--cd-muted); }
.spx .keys kbd { justify-self: start; }
/* 16-step rows (sound reference): playhead from audio.master_.step */
.spx .steps { display: grid; grid-template-columns: repeat(16, 1fr); gap: 2px; margin: 2px 0 6px; }
.spx .steps i { height: 8px; border-radius: 2px; background: rgba(237, 230, 216, .08); }
.spx .steps i.on { background: var(--c); }
.spx .steps i.now { outline: 1px solid var(--ink); }

.spx .sp-foot { display: flex; align-items: center; gap: 10px; padding: 10px 16px 12px; border-top: 1px solid var(--cd-line); font-size: 12px; color: var(--cd-dim); }
.spx .sp-foot .grow { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============ icon rail: always on, far right; the pressed icon is the section the flyout shows ============ */
.rail.spx { position: fixed; top: 0; right: 0; bottom: 0; width: var(--cd-rail); z-index: 13; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 12px 0 14px;
  background: radial-gradient(400% 30% at 100% 0%, rgba(46, 92, 70, .22), transparent 62%), var(--cd-bg); border-left: 1px solid var(--cd-line-strong); }
.rail.spx .rail-secs { display: flex; flex-direction: column; gap: 4px; }
.rail.spx .rb { position: relative; width: 40px; height: 40px; border-radius: 10px; border: 0; background: none; color: var(--cd-muted); display: grid; place-items: center; padding: 0; transition: background .15s, color .15s; }
.rail.spx .rb:hover, .rail.spx .rb:focus-visible { background: rgba(237, 230, 216, .08); color: var(--ink); }
.rail.spx .rb svg { width: 18px; height: 18px; }

.rail.spx .rb[aria-pressed="true"] { color: var(--ww); background: rgba(255, 207, 150, .16); box-shadow: inset 0 0 0 1px var(--sel-line); }
/* the selected marker sits on the rail's inner edge, pointing at the flyout */
.rail.spx .rb[aria-pressed="true"]::after { content: ""; position: absolute; left: -8px; top: 9px; bottom: 9px; width: 3px; border-radius: 0 3px 3px 0; background: var(--ww); }
.rail.spx #railMute[aria-pressed="true"] { box-shadow: none; background: none; color: var(--cd-muted); }
.rail.spx #railMute[aria-pressed="true"]:hover { background: rgba(237, 230, 216, .08); color: var(--ink); }
.rail.spx #railMute[aria-pressed="true"]::after { display: none; }
.rail.spx .rb::before { content: attr(data-tip); position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%); padding: 5px 10px; border-radius: 8px; background: #121815; border: 1px solid var(--cd-line-strong);
  font-size: 12px; color: var(--ink); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .12s; z-index: 2; }
.rail.spx .rb:hover::before, .rail.spx .rb:focus-visible::before { opacity: 1; }
body.fly-open .rail.spx .rb[aria-pressed="true"]::before { opacity: 0; }   /* the flyout already names it */
.rail.spx hr { width: 26px; border: 0; border-top: 1px solid var(--cd-line); margin: 6px 0; }
.rail.spx .ph { display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 12px; color: var(--cd-muted); }
.rail.spx .ph span { writing-mode: vertical-rl; letter-spacing: .04em; }
.rail.spx .chev2 { width: 32px; height: 32px; border-radius: 999px; border: 1px solid var(--cd-line); display: grid; place-items: center; color: var(--cd-muted); background: none; padding: 0; }
.rail.spx .chev2:hover { color: var(--ink); border-color: var(--cd-line-strong); }
.rail.spx .chev2 svg { width: 14px; height: 14px; transition: transform .2s; }
.rail.spx .chev2[aria-expanded="true"] svg { transform: rotate(180deg); }

/* ============ tablet: panel overlays, the scene keeps the rail width ============ */
@media (max-width: 1099px) and (min-width: 640px) {
  :root { --cd-w: 360px; }
  .sp-main { right: var(--cd-rail) !important; }
  .sp.spx { box-shadow: -24px 0 48px rgba(0, 0, 0, .5); }
}
/* ============ phone: rail = bottom bar, flyout = sheet above it ============ */
@media (max-width: 639px) {
  :root { --tap: 44px; --bar: 60px; }
  .sp-main, body.fly-open .sp-main { right: 0 !important; bottom: var(--bar); }
  .rail.spx { top: auto; left: 0; right: 0; bottom: 0; width: auto; height: calc(var(--bar) + env(safe-area-inset-bottom)); flex-direction: row; justify-content: space-between; gap: 0;
    padding: 0 6px env(safe-area-inset-bottom); border-left: 0; border-top: 1px solid var(--cd-line-strong); background: var(--cd-bg); }
  .rail.spx .rail-secs { display: contents; }
  .rail.spx hr, .rail.spx .grow, .rail.spx .ph, .rail.spx #railMute, .rail.spx .chev2 { display: none; }
  .rail.spx .rb { flex: 1 1 0; max-width: 48px; height: 48px; }
  .rail.spx .rb::before { display: none; }
  .rail.spx .rb[aria-pressed="true"]::after { left: 10px; right: 10px; top: -6px; bottom: auto; width: auto; height: 3px; border-radius: 0 0 3px 3px; }
  .spx .sp-grip { display: none; }
  .spx .i-phone { display: block; } .spx .i-desk { display: none; }
  .sp.spx { top: 112px; left: 0; right: 0; bottom: var(--bar); width: auto; border-left: 0; border-top: 1px solid var(--cd-line-strong); border-radius: 18px 18px 0 0; box-shadow: 0 -24px 48px rgba(0, 0, 0, .6); z-index: 12; }
  body:not(.fly-open) .sp.spx { transform: translateY(24px); }
  .sp.spx::before { content: ""; position: absolute; top: 6px; left: 50%; width: 40px; height: 4px; margin-left: -20px; border-radius: 4px; background: var(--cd-line-strong); }
  .spx .sp-head { padding: 14px 8px 4px 16px; min-height: 56px; border-bottom: 0; }
  .spx .sp-head .mark { display: none; }
  .spx .sp-name { font-size: 17px; }
  .spx .ibtn { width: 44px; height: 44px; }
  .spx .ibtn.sm { width: 44px; height: 44px; }
  .spx .sec-h { min-height: 56px; padding-left: 16px; padding-right: 16px; }
  .spx .combo, .spx .find { padding-left: 14px; padding-right: 14px; }
  .spx .body { padding: 0 0 14px; }
  .spx .sec-b { padding: 0 16px 14px; }
  .spx .find-res { margin: 0 10px; }
  .spx .srow.feat .sw, .spx .srow .sw { width: 50px; height: 30px; }
  .spx .srow.feat .sw::after { width: 22px; height: 22px; }
  .spx .srow.feat .sw[aria-checked="true"]::after { transform: translateX(20px); }
  .spx .nest { margin: 10px 10px 10px 22px; padding: 4px 10px 10px; }
  .spx .nest::before { left: -13px; }
  .spx .slot, .spx .tbtn, .spx .token { min-height: 44px; }
  .spx .btnrow .tbtn { min-height: 44px; }
  .spx .sw { width: 50px; height: 30px; }
  .spx .sw::after { width: 22px; height: 22px; }
  .spx .sw[aria-checked="true"]::after { transform: translateX(20px); }
  .spx .chip .th { height: 52px; }
  .spx .sp-foot { display: none; }
  .toast.spx { top: auto; bottom: 12px; right: 12px; }
  .spx .opt { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .sp-main, .spx, .spx *, .spx *::before, .spx *::after { transition: none !important; animation: none !important; }
}