/* The room every studio space stands in: a private-bank ledger. Obsidian ground, bone type,
   brass as the only metal, hairline rules instead of glow. Shared by /studio, /studio/apex
   and /studio/marks. Oxblood is held for risk; nothing here needs it. */
:root {
  /* Room */
  /* Brass, standing where the neon stood */
  /* The works' gilt */
  --night: #0a0712; --black: #000000; --lilac: #b9a8e6; --rule-gold: rgba(226, 183, 90, 0.5);
  --g0: #2a1a08; --g1: #6b4514; --g2: #a8762a; --g3: #e2b75a; --g4: #fff1c2; --g-hi: #fff4c4; --g-mid: #f0c860; --g-low: #9a6418; --g-glint: #f6d98a; --g-base: #c48a2a; --g-ink: #1a1206;
  /* Type */ --sans: "Inter", system-ui, sans-serif; --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--tx); font: 400 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
body { min-height: 100vh; overflow-x: hidden; }
.k { font: 500 10px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--mute); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── The aura: three slow neon lights behind the glass ─────────────────────────────── */
.aura { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aura i { position: absolute; width: 60vmax; height: 60vmax; border-radius: 50%; filter: blur(90px); opacity: 0.32; animation: drift 38s ease-in-out infinite alternate; }
.aura i:nth-child(1) { background: radial-gradient(circle, var(--n1), transparent 62%); left: -18vmax; top: -22vmax; }
.aura i:nth-child(2) { background: radial-gradient(circle, var(--n4), transparent 62%); right: -20vmax; top: 10vh; animation-duration: 46s; animation-delay: -12s; }
.aura i:nth-child(3) { background: radial-gradient(circle, var(--n3), transparent 64%); left: 20vw; bottom: -36vmax; opacity: 0.22; animation-duration: 54s; animation-delay: -24s; }
@keyframes drift { to { transform: translate3d(6vmax, 4vmax, 0) scale(1.12); } }

/* ── Liquid glass: frosted, lit from above, edged in neon ──────────────────────────── */
.glass { position: relative; }
.glass::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: linear-gradient(135deg, rgba(201, 165, 96, 0.75), rgba(255, 255, 255, 0.08) 30%, rgba(255, 255, 255, 0.04) 60%, rgba(122, 98, 52, 0.7));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); pointer-events: none; }

/* Section heads: a neon number, the name, a quiet aside. */
.sect { display: flex; align-items: baseline; gap: 10px; margin: 0 0 14px; font: 500 11px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--tx2); }
.sect b { font-weight: 500; background: var(--neon); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sect span { margin-left: auto; color: var(--mute); letter-spacing: 0.08em; text-transform: none; font-size: 11px; font-variant-numeric: tabular-nums; text-align: right; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Bar ─────────────────────────────────────────────────────────────────────────── */
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; margin: 14px clamp(12px, 2.4vw, 28px) 0; padding: 12px 18px; }
.home { display: block; width: 34px; flex: none; filter: drop-shadow(0 0 10px rgba(201, 165, 96, 0.55)); }
.home svg { display: block; width: 100%; height: auto; }
.home.xmark { width: 40px; filter: none; box-shadow: inset 0 0 0 1px var(--glass-edge), 0 0 18px -4px rgba(201, 165, 96, 0.6); }
.where { display: flex; flex-direction: column; gap: 4px; }
.instruments { display: flex; gap: 4px; margin-left: auto; padding: 4px; border-radius: 14px; background: rgba(0, 0, 0, 0.28); box-shadow: inset 0 0 0 1px var(--glass-edge); overflow-x: auto; max-width: 100%; }
.inst { display: flex; flex-direction: column; gap: 4px; padding: 8px 14px; border-radius: 10px; color: var(--tx2); text-decoration: none; white-space: nowrap; transition: background 0.25s, color 0.25s, box-shadow 0.25s; }
.inst b { font: 500 12px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.inst small { font: 400 10px/1 var(--mono); color: var(--mute); letter-spacing: 0.04em; }
.inst:hover { color: var(--tx); background: rgba(255, 255, 255, 0.05); }
.inst[aria-selected="true"] { color: #fff; background: var(--neon); box-shadow: var(--glow); }
.inst[aria-selected="true"] small { color: rgba(255, 255, 255, 0.82); }
.status { font: 500 10px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.status.ok { color: var(--tx2); }
.status.ok::before { content: ""; display: inline-block; margin-right: 8px; vertical-align: 1px; }

/* ── Bench: deck · easel · controls ──────────────────────────────────────────────── */
.bench { display: grid; grid-template-columns: 200px minmax(0, 1fr) 360px; gap: clamp(12px, 1.8vw, 22px); padding: clamp(12px, 1.8vw, 22px) clamp(12px, 2.4vw, 28px) 48px; align-items: start; }
.rail, .panel { padding: 16px; position: sticky; top: 14px; max-height: calc(100vh - 28px); overflow: auto; scrollbar-width: thin; scrollbar-color: rgba(184, 153, 90, 0.4) transparent; }

/* ── Buttons ─────────────────────────────────────────────────────────────────────── */
button, input, select { font: inherit; }
:is(button, input, a, .chip):focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
button { font: 500 11px/1 var(--mono); text-transform: uppercase; border: 0; padding: 12px 15px; cursor: pointer; transition: background 0.2s, box-shadow 0.2s, transform 0.12s; }
button:active { transform: translateY(1px); }
button.gold { background: linear-gradient(180deg, var(--g-glint), var(--g-base)); color: var(--g-ink); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 6px 18px -8px rgba(226, 183, 90, 0.6); }
button.signal { background: rgba(255, 255, 255, 0.92); color: #12091a; box-shadow: none; }
button.neon { background: var(--neon); color: #fff; box-shadow: var(--glow); letter-spacing: 0.18em; }
button.neon:hover { filter: brightness(1.08) saturate(1.1); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Controls ────────────────────────────────────────────────────────────────────── */
.group { border-radius: 14px; margin-bottom: 8px; background: rgba(0, 0, 0, 0.18); box-shadow: inset 0 0 0 1px var(--glass-edge); }
summary { display: flex; align-items: center; gap: 10px; cursor: pointer; list-style: none; padding: 13px 14px; user-select: none; }
summary::-webkit-details-marker { display: none; }
summary .gn { font: 500 10px/1 var(--mono); background: var(--neon); -webkit-background-clip: text; background-clip: text; color: transparent; }
summary .gt { font: 500 14px/1 var(--display); letter-spacing: 0.1em; color: var(--tx); }
summary .gc { margin-left: auto; font: 500 10px/1 var(--mono); color: var(--dim); }
summary::after { content: ""; width: 7px; height: 7px; border-right: 1.5px solid var(--mute); border-bottom: 1.5px solid var(--mute); transform: rotate(-45deg); transition: transform 0.2s; margin-left: 4px; }
.group[open] summary::after { transform: rotate(45deg); }
.gbody { padding: 0 14px 10px; }

.ctl { padding: 9px 0; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.ctl:first-child { border-top: 0; }
.ctl .name { font: 400 15px/1.3 var(--serif); color: var(--tx2); }
.ctl.range { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 6px 10px; }
.ctl.range .name { cursor: ew-resize; user-select: none; touch-action: none; }
.ctl.range.moved .name, .ctl.range.scrubbing .name { color: var(--tx); }
.ctl.range.moved .name::after { content: ""; display: inline-block; margin-left: 7px; border-radius: 50%; vertical-align: 2px; }
.val, .valbox { font: 500 11px/1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: 0.04em; text-transform: none; padding: 6px 8px; min-width: 52px; text-align: right; border-radius: 8px; background: rgba(0, 0, 0, 0.3); color: var(--tx); }
.valbox { width: 72px; border: 0; }
.track { grid-column: 1 / -1; position: relative; height: 22px; --p: 50%; --d: 50%; }
.track::before { content: ""; position: absolute; left: 0; right: 0; }
.track .tick { position: absolute; left: var(--d); border-radius: 1px; pointer-events: none; }
.track input { position: absolute; inset: 0; width: 100%; height: 22px; margin: 0; background: transparent; -webkit-appearance: none; appearance: none; cursor: pointer; z-index: 1; }
.track input::-webkit-slider-runnable-track { height: 22px; background: transparent; }
.track input::-moz-range-track { height: 22px; background: transparent; }
.track input::-webkit-slider-thumb { -webkit-appearance: none; transition: transform 0.15s; }
.track input::-moz-range-thumb { border: 0; }
.track input:active::-webkit-slider-thumb, .track input:hover::-webkit-slider-thumb { transform: scale(1.18); }
.track input:focus-visible { outline: none; }

.ctl.choice { display: grid; gap: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 8px 11px; border-radius: 999px; font: 500 10.5px/1 var(--mono); letter-spacing: 0.05em; text-transform: none; color: var(--tx2); }
.chip[aria-checked="true"] { background: var(--neon); color: #fff; box-shadow: 0 0 16px -2px rgba(201, 165, 96, 0.7); }

.ctl.toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.switch { width: 44px; height: 24px; padding: 0; border-radius: 999px; position: relative; flex: none; }
.switch i { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; transition: transform 0.2s, background 0.2s; }
.switch[aria-checked="true"] i { transform: translateX(20px); }

.seed { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px 2px 2px; }
.seed label { font: 400 15px var(--serif); color: var(--tx2); }
.seed input { width: 104px; background: rgba(0, 0, 0, 0.3); border: 0; border-radius: 10px; box-shadow: inset 0 0 0 1px var(--glass-edge); color: var(--tx); font: 500 12px var(--mono); padding: 10px; }
.hint, .keys { color: var(--mute); font: 400 14px/1.5 var(--serif); margin: 12px 2px 0; }
.keys { font: 400 11px/1.9 var(--mono); }
kbd { font: 500 10px/1 var(--mono); padding: 3px 6px; color: var(--tx2); }

/* ── Rooms: Studio · Apex, the first switch in every bar ─────────────────────────── */
.rooms { display: flex; gap: 2px; padding: 3px; border-radius: 12px; background: rgba(0, 0, 0, 0.32); box-shadow: inset 0 0 0 1px var(--glass-edge); }
.rooms a { padding: 8px 12px; border-radius: 9px; font: 500 10.5px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--mute); text-decoration: none; transition: color 0.2s, background 0.2s; }
.rooms a:hover { color: var(--tx); }
.rooms a[aria-current="page"] { color: var(--tx); background: rgba(255, 255, 255, 0.08); box-shadow: inset 0 -2px 0 var(--n2); }
.kbtn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; line-height: 12px; letter-spacing: 0.14em; color: var(--tx2); }
.kbtn kbd { padding: 1px 5px; line-height: 10px; }
.pane { padding: 16px 18px 18px; }
.sect { min-width: 0; }

/* ── Command: ⌘K, every room's index of everything it can do ─────────────────────── */
.command { position: fixed; inset: 0; margin: auto; height: fit-content; width: min(620px, calc(100vw - 32px)); max-height: min(70vh, 640px); padding: 0; border: 0; color: var(--tx); background: #14130f; box-shadow: inset 0 0 0 1px var(--glass-edge); overflow: hidden; display: none; }
.command[open] { display: flex; flex-direction: column; }
.command::backdrop { background: rgba(6, 6, 5, 0.66); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.command input { width: 100%; border: 0; background: transparent; color: var(--tx); padding: 18px 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.command input:focus { outline: none; }
.command ol { list-style: none; margin: 0; padding: 8px; overflow: auto; scrollbar-width: thin; }
.command .cg { padding: 12px 12px 6px; font: 500 10px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--mute); }
.command .ci { display: flex; align-items: baseline; gap: 12px; padding: 10px 12px; cursor: pointer; }
.command .ci b { font: 400 15px/1.3 var(--serif); }
.command .ci small { margin-left: auto; font: 400 10.5px/1 var(--mono); color: var(--mute); white-space: nowrap; }
.command .empty { padding: 16px 12px; color: var(--mute); font: 400 14px var(--serif); }
.command .foot { padding: 10px 16px; border-top: 1px solid rgba(255, 255, 255, 0.06); font: 400 10.5px/1 var(--mono); color: var(--dim); }

/* ── Smaller rooms ───────────────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .bench { grid-template-columns: minmax(0, 1fr) 340px; }
  .rail { grid-column: 1 / -1; position: static; max-height: none; }
}
@media (max-width: 760px) {
  .sect { flex-wrap: wrap; }
  .sect span { white-space: normal; flex-basis: 100%; text-align: left; margin-left: 0; }
  .sect span:empty { display: none; }
  .bench { grid-template-columns: minmax(0, 1fr); }
  .panel { position: static; max-height: none; }
  .instruments { margin-left: 0; width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .inst small { overflow: hidden; text-overflow: ellipsis; }
  .bar { margin-inline: 12px; }
  .rooms { order: -1; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } .aura i { animation: none; } }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) { .glass { background: rgba(22, 16, 30, 0.92); } }

/* Private bank: no floating lights, a still floor, every panel a ruled ledger card. */
body { background: radial-gradient(120% 80% at 50% -10%, #17150f 0%, var(--bg) 55%) fixed, var(--bg); }
button { letter-spacing: 0.16em; }

/* Horology: the panels carry a whisper of Côtes de Genève, the stage a faint sunburst dial. */