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authorCraig Jennings <c@cjennings.net>2026-07-04 16:46:48 -0400
committerCraig Jennings <c@cjennings.net>2026-07-04 16:46:48 -0400
commit518ffd7578dbc74689b5303a35f402bfe081aa91 (patch)
treee22784c9b34334b69f6f6074c010ce289c129134 /docs/prototypes/2026-07-03-panel-widget-gallery-prototype.html
parent9945ad041fca214c2f6c761ce9fd1ccf1759a8ac (diff)
downloadarchsetup-518ffd7578dbc74689b5303a35f402bfe081aa91.tar.gz
archsetup-518ffd7578dbc74689b5303a35f402bfe081aa91.zip
docs: gather panel design prototypes into docs/prototypes/
I gathered all five self-contained HTML/CSS design prototypes into one home: the instrument-console pair (moved from assets/), plus the net-panel rescan, sound panel, widget gallery, and waybar redesign (moved out of working/). Added a README index and updated every inbound link: build summary, the instrument-console and audio specs, and todo.org. Also fixed a broken link the earlier sort left in the build summary. It still pointed at the instrument-console spec's old docs/design/ path after the move to docs/specs/.
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+<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>Panel widget gallery — dupre instrument console</title>
+<style>
+:root{
+ --ground:#151311; --panel:#100f0f; --well:#0a0c0d; --raise:#1a1917;
+ --gold:#dab53d; --gold-hi:#ffd75f; --silver:#bfc4d0; --cream:#f3e7c5;
+ --steel:#969385; --dim:#7c838a; --slate:#424f5e; --slate-hi:#54677d;
+ --wash:#2c2f32; --pass:#74932f; --fail:#cb6b4d;
+ --mono:"BerkeleyMono Nerd Font","Berkeley Mono",monospace;
+}
+*{box-sizing:border-box;margin:0;padding:0}
+html{background:var(--ground)}
+body{font-family:var(--mono);color:var(--silver);padding:2.4rem 2rem 5rem;line-height:1.45;
+ background:radial-gradient(1200px 600px at 70% -10%,#1c1915 0%,transparent 60%),var(--ground)}
+.wrap{max-width:1320px;margin:0 auto}
+.eyebrow{color:var(--steel);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase}
+h1{color:var(--gold);font-size:1.5rem;margin:.35rem 0 .4rem}
+.masthead p{color:var(--dim);font-size:.86rem;max-width:86ch}
+.masthead p b{color:var(--silver)}
+h2{color:var(--steel);font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;
+ margin:2.2rem 0 .2rem;display:flex;align-items:center;gap:12px}
+h2::after{content:"";height:1px;background:var(--wash);flex:1}
+
+.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:14px;margin-top:1rem}
+.card{background:linear-gradient(180deg,var(--raise),var(--panel));border:1px solid #262320;border-radius:12px;
+ padding:13px 14px 12px;display:flex;flex-direction:column;gap:9px;
+ box-shadow:inset 0 1px 0 rgba(255,255,255,.04),0 6px 14px rgba(0,0,0,.4)}
+.wname{color:var(--cream);font-size:.82rem;font-weight:700;display:flex;align-items:center;gap:8px}
+.wname .no{color:var(--panel);background:var(--gold);border-radius:4px;font-size:.6rem;padding:0 5px;font-weight:400}
+.stagew{background:var(--well);border:1px solid #201d17;border-radius:9px;padding:14px 12px;
+ min-height:78px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
+.wnote{color:var(--dim);font-size:.72rem;line-height:1.4}
+.wnote b{color:var(--steel);font-weight:400}
+
+/* ---- shared primitives ---- */
+.lamp{width:9px;height:9px;border-radius:50%;background:var(--pass);box-shadow:0 0 6px 1px rgba(116,147,47,.55)}
+.lamp.gold{background:var(--gold);box-shadow:0 0 6px 1px rgba(218,181,61,.6)}
+.lamp.red{background:var(--fail);box-shadow:0 0 6px 1px rgba(203,107,77,.55)}
+.lamp.off{background:var(--wash);box-shadow:none}
+.lamp.busy{background:var(--gold);animation:pulse .7s ease-in-out infinite}
+@keyframes pulse{50%{opacity:.25}}
+
+.switch{width:40px;height:21px;border-radius:11px;background:var(--wash);border:1px solid var(--slate);
+ position:relative;cursor:pointer}
+.switch::after{content:"";position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;
+ background:var(--dim);transition:left .15s}
+.switch.on{background:var(--slate);border-color:var(--gold)}
+.switch.on::after{left:21px;background:var(--gold)}
+.switch.red{background:rgba(203,107,77,.2);border-color:var(--fail)}
+.switch.red::after{background:var(--fail);left:2px}
+
+.key{font:inherit;font-size:11.5px;letter-spacing:.06em;color:var(--silver);cursor:pointer;
+ background:linear-gradient(180deg,#23211e,#191715);border:1px solid #33302b;border-bottom-color:#0c0b0a;
+ border-radius:8px;padding:8px 12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04),0 2px 3px rgba(0,0,0,.4)}
+.key:hover{color:var(--gold);border-color:var(--gold)}
+.key:active{transform:translateY(1px)}
+.key.on{color:var(--panel);background:linear-gradient(180deg,#f0d879,var(--gold));border-color:var(--gold-hi);font-weight:700}
+.key.red{color:var(--cream);background:linear-gradient(180deg,#d98a6f,var(--fail));border-color:var(--fail)}
+.key.off{opacity:.4}
+
+.chip{color:var(--dim);cursor:pointer;border-bottom:1px dotted var(--wash);font-size:12px}
+.chip.on{color:var(--gold);border-color:var(--gold)}
+
+.badge{font-size:.62rem;letter-spacing:.18em;color:var(--panel);background:var(--gold);border-radius:4px;padding:1px 6px}
+.badge.red{background:var(--fail);color:var(--cream)}
+.badge.ghost{background:transparent;border:1px solid var(--slate);color:var(--silver)}
+
+/* fader */
+.fader{width:150px;height:16px;position:relative;cursor:pointer}
+.fader .slot{position:absolute;top:6px;left:0;right:0;height:4px;border-radius:2px;background:#0d0f10;border:1px solid #231f18;overflow:hidden}
+.fader .fill{position:absolute;top:0;left:0;bottom:0;background:linear-gradient(90deg,#8a7524,var(--gold))}
+.fader .cap{position:absolute;top:1px;width:7px;height:14px;border-radius:2px;margin-left:-3.5px;
+ background:linear-gradient(180deg,#f0d879,#caa233);border:1px solid #7a6414;box-shadow:0 1px 2px rgba(0,0,0,.5)}
+/* vertical fader */
+.vfader{width:16px;height:64px;position:relative;cursor:pointer}
+.vfader .slot{position:absolute;left:6px;top:0;bottom:0;width:4px;border-radius:2px;background:#0d0f10;border:1px solid #231f18;overflow:hidden}
+.vfader .fill{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,#8a7524,var(--gold))}
+.vfader .cap{position:absolute;left:1px;height:7px;width:14px;border-radius:2px;margin-top:-3.5px;
+ background:linear-gradient(90deg,#caa233,#f0d879);border:1px solid #7a6414}
+
+/* rotary knob */
+.knob{width:52px;height:52px;border-radius:50%;position:relative;cursor:pointer;
+ background:radial-gradient(circle at 40% 35%,#2a2622,#141210);border:1px solid #3a352c;
+ box-shadow:inset 0 2px 3px rgba(255,255,255,.05),0 3px 6px rgba(0,0,0,.5)}
+.knob .ind{position:absolute;left:50%;top:5px;width:2px;height:16px;background:var(--gold-hi);
+ margin-left:-1px;transform-origin:50% 21px;border-radius:1px;box-shadow:0 0 5px rgba(255,215,95,.6)}
+.knob-scale{position:relative;width:64px;height:40px}
+.knob-scale .arc{position:absolute;inset:0 0 -24px 0;border:1.5px solid var(--wash);border-top-color:var(--gold);border-radius:50%;opacity:.5}
+
+/* needle gauge */
+.gauge{width:96px}
+.gauge .dial{position:relative;height:48px;overflow:hidden}
+.gauge .arc{position:absolute;inset:0 0 -48px 0;border:2px solid var(--wash);border-radius:50%}
+.gauge .tk{position:absolute;left:50%;bottom:0;width:1.5px;height:8px;background:var(--steel);transform-origin:50% 48px}
+.gauge .ndl{position:absolute;left:50%;bottom:0;width:2px;height:40px;background:var(--gold-hi);
+ transform-origin:50% 100%;transform:rotate(0deg);border-radius:2px;box-shadow:0 0 6px rgba(255,215,95,.5);
+ transition:transform .5s cubic-bezier(.3,1.3,.5,1)}
+.gauge .hub{position:absolute;left:50%;bottom:-4px;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:var(--gold)}
+.gauge .gv{color:var(--cream);text-align:center;font-size:12px;font-weight:700;margin-top:5px;font-variant-numeric:tabular-nums}
+
+/* segmented VU / LED bar */
+.vu{width:170px;display:flex;flex-direction:column;gap:5px}
+.vurow{display:flex;align-items:center;gap:7px}
+.vurow .ch{color:var(--steel);font-size:.6rem;width:8px}
+.vubar{flex:1;display:flex;gap:2px;height:9px}
+.vubar i{flex:1;background:var(--wash);border-radius:1px;opacity:.3}
+.vubar i.on{opacity:1;background:var(--pass)}.vubar i.hot{opacity:1;background:var(--gold)}
+.vubar i.clip{opacity:1;background:var(--fail)}.vubar i.peak{outline:1px solid var(--gold-hi);outline-offset:-1px}
+
+/* mini 4-bar signal */
+.sig{display:flex;align-items:flex-end;gap:2px;height:18px}
+.sig i{width:4px;background:var(--wash);border-radius:1px}
+.sig i:nth-child(1){height:5px}.sig i:nth-child(2){height:9px}.sig i:nth-child(3){height:13px}.sig i:nth-child(4){height:17px}
+.sig i.on{background:var(--pass)}.sig i.hot{background:var(--gold)}.sig i.clip{background:var(--fail)}
+
+/* signal ladder (wifi bars) */
+.ladder{display:inline-flex;gap:3px;align-items:flex-end;height:18px}
+.ladder i{width:5px;background:var(--wash);border-radius:1px}
+.ladder i:nth-child(1){height:6px}.ladder i:nth-child(2){height:10px}
+.ladder i:nth-child(3){height:14px}.ladder i:nth-child(4){height:18px}
+.ladder.l3 i:nth-child(-n+3){background:var(--gold)}
+
+/* linear progress / fuel bar */
+.bar{width:160px;height:12px;background:#0d0f10;border:1px solid #231f18;border-radius:6px;overflow:hidden;position:relative}
+.bar>span{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#8a7524,var(--gold));border-radius:6px}
+.bar.warn>span{background:linear-gradient(90deg,#a35a3f,var(--fail))}
+
+/* radial ring */
+.ring{width:60px;height:60px;border-radius:50%;
+ background:conic-gradient(var(--gold) calc(var(--p)*1%),var(--wash) 0);
+ display:grid;place-items:center;position:relative}
+.ring::before{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--well)}
+.ring b{position:relative;color:var(--cream);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
+
+/* tabular readout */
+.readout{color:var(--cream);font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em}
+.readout small{color:var(--dim);font-size:12px;font-weight:400}
+.readout .u{color:var(--steel);font-size:.6rem;letter-spacing:.2em;display:block;text-align:center;margin-top:2px}
+
+/* sparkline */
+.spark{width:170px;height:44px}
+.spark svg{display:block;width:100%;height:100%}
+
+/* lamp row (list item) */
+.lrow{width:190px;display:flex;align-items:center;gap:9px;padding:6px 8px;border-radius:7px;background:#141210;cursor:pointer;font-size:12.5px}
+.lrow:hover{background:var(--wash)}
+.lrow .who{color:var(--silver)}.lrow .who b{color:var(--cream)}
+.lrow .what{margin-left:auto;color:var(--dim);font-size:11px}
+
+/* arm-to-fire */
+.arm{font:inherit;font-size:11.5px;color:var(--silver);cursor:pointer;background:#191715;border:1px solid #33302b;
+ border-radius:8px;padding:7px 12px}
+.arm.armed{background:rgba(203,107,77,.12);border-color:var(--fail);color:var(--fail)}
+
+/* stepper / segmented selector */
+.seg{display:flex;border:1px solid #33302b;border-radius:8px;overflow:hidden}
+.seg button{font:inherit;font-size:11px;color:var(--silver);background:#191715;border:0;border-right:1px solid #33302b;padding:7px 11px;cursor:pointer}
+.seg button:last-child{border-right:0}
+.seg button.on{background:linear-gradient(180deg,#f0d879,var(--gold));color:var(--panel);font-weight:700}
+
+/* engraved section label */
+.engrave{width:180px;color:var(--steel);font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;
+ display:flex;align-items:center;gap:9px}
+.engrave::before,.engrave::after{content:"";height:1px;background:var(--wash);flex:1}
+.engrave::before{max-width:10px}
+.engrave .cnt{color:var(--dim);letter-spacing:.1em;text-transform:none}
+
+/* waveform strip */
+.wave{width:170px;height:38px}
+.wave svg{width:100%;height:100%;display:block}
+
+/* toast */
+.toastw{font-size:11px;color:var(--cream);background:var(--slate);border-radius:7px;padding:5px 10px}
+
+/* output well (log step) */
+.owell{width:200px;background:var(--well);border:1px solid var(--wash);border-radius:8px;padding:7px 9px;font-size:11px}
+.ostep{display:flex;gap:7px;align-items:flex-start;padding:2px 0}
+.ostep .lamp{margin-top:3px;width:7px;height:7px}
+.ostep b{color:var(--cream);font-weight:700}.ostep .ev{color:var(--steel);display:block;font-size:10.5px}
+
+@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
+</style>
+</head>
+<body>
+<div class="wrap">
+<header class="masthead">
+ <div class="eyebrow">archsetup · dupre panel family</div>
+ <h1>Widget gallery — the instrument-console kit</h1>
+ <p>Every control + display idiom we can build in the dupre faceplate language, all rendering from
+ the same tokens the net / bt / sound panels use. <b>Controls</b> take input; <b>meters &amp;
+ gauges</b> show a live analog value; <b>indicators &amp; readouts</b> show state or a number.
+ Live ones animate. Pick what fits each job — most cost pure CSS; the two that need a real
+ drawing surface (needle gauge, waveform) are flagged in their notes.</p>
+</header>
+
+<h2>Controls — take input</h2>
+<div class="grid" id="controls"></div>
+
+<h2>Meters &amp; gauges — live analog value</h2>
+<div class="grid" id="meters"></div>
+
+<h2>Indicators &amp; readouts — state or number</h2>
+<div class="grid" id="indicators"></div>
+
+</div>
+<script>
+const $ = id => document.getElementById(id);
+const reduced = matchMedia('(prefers-reduced-motion: reduce)').matches;
+function card(host, no, name, html, note){
+ const c=document.createElement('div'); c.className='card';
+ c.innerHTML=`<div class="wname"><span class="no">${no}</span>${name}</div>`+
+ `<div class="stagew">${html}</div><div class="wnote">${note}</div>`;
+ host.appendChild(c); return c;
+}
+function buildBars(el,n){el.innerHTML='';for(let k=0;k<n;k++)el.appendChild(document.createElement('i'));}
+
+/* ============ CONTROLS ============ */
+const C=$('controls');
+card(C,'01','Toggle switch',
+ `<span class="switch on" onclick="this.classList.toggle('on')"></span>
+ <span class="switch red"></span>`,
+ '<b>on / off / muted.</b> The faceplate master control — wifi radio, bt power, master-mute. Click to flip.');
+card(C,'02','Console key',
+ `<button class="key on">LIVE</button><button class="key">SCAN</button><button class="key red">MUTED</button>`,
+ '<b>physical push button.</b> DOCTOR / SPEED TEST / mic mode. Gold = engaged, terracotta = off.');
+card(C,'03','Horizontal fader',
+ `<div class="fader" id="f1"><div class="slot"><div class="fill" style="width:68%"></div></div><div class="cap" style="left:68%"></div></div>`,
+ '<b>continuous 0-100.</b> Per-device volume, brightness, kbd backlight. Drag; the gold cap tracks.');
+card(C,'04','Vertical fader',
+ `<div class="vfader"><div class="slot"><div class="fill" style="height:60%"></div></div><div class="cap" style="bottom:60%"></div></div>
+ <div class="vfader"><div class="slot"><div class="fill" style="height:35%"></div></div><div class="cap" style="bottom:35%"></div></div>`,
+ '<b>channel-strip style.</b> A mixer column per device if you want the classic board look.');
+card(C,'05','Rotary knob',
+ `<span class="knob" id="knob" onclick="bumpKnob()"><span class="ind" id="kind"></span></span>`,
+ '<b>dial in a value.</b> Volume/gain the analog way. Click to turn; drag in the real build. Pairs with a scale arc.');
+card(C,'06','Segmented selector',
+ `<div class="seg"><button class="on">TIMER</button><button>ALARM</button><button>POMO</button></div>`,
+ '<b>pick one of a few.</b> Timer type, layout mode, theme. One press-lit segment.');
+card(C,'07','Chip toggle',
+ `<span class="chip on" onclick="this.classList.toggle('on')">discoverable on</span>`,
+ '<b>inline binary.</b> A soft toggle inside a line of text — discoverable, auto-dim, DND. Gold when on.');
+card(C,'08','Arm-to-fire',
+ `<button class="arm" id="arm" onclick="armFire()">forget</button>`,
+ '<b>two-stage confirm.</b> Destructive/disruptive actions — forget network, disconnect. First click arms (red), second fires.');
+card(C,'09','Lamp row',
+ `<div class="lrow"><span class="lamp gold"></span><span class="who"><b>WH-1000XM4</b></span><span class="what">tap to connect</span></div>`,
+ '<b>actionable list item.</b> The net/bt/sound row: lamp + name + status, click acts. The workhorse.');
+
+/* ============ METERS & GAUGES ============ */
+const M=$('meters');
+card(M,'10','Needle gauge',
+ `<div class="gauge"><div class="dial"><div class="arc"></div>
+ <div class="tk" style="transform:rotate(-60deg)"></div><div class="tk" style="transform:rotate(0)"></div><div class="tk" style="transform:rotate(60deg)"></div>
+ <div class="ndl" id="g1"></div><div class="hub"></div></div><div class="gv"><span id="g1v">0</span>%</div></div>`,
+ '<b>analog dial.</b> Throughput, battery, volume level. <b>Needs a Cairo/GTK drawing area</b> — CSS can fake a fixed angle but not a smooth sweep in waybar.');
+card(M,'11','Stereo VU (LED bar)',
+ `<div class="vu"><div class="vurow"><span class="ch">L</span><span class="vubar" id="vuL"></span></div>
+ <div class="vurow"><span class="ch">R</span><span class="vubar" id="vuR"></span></div></div>`,
+ '<b>live signal level.</b> The sound panel\'s second meter row. Peak-hold outline. Pure CSS — pango/box segments.');
+card(M,'12','Mini signal (4-bar)',
+ `<span class="sig" id="mini"></span>`,
+ '<b>compact activity.</b> Per-row "is this device playing" indicator. Cheap enough to sit in every list row.');
+card(M,'13','Signal ladder',
+ `<span class="ladder l3"><i></i><i></i><i></i><i></i></span>`,
+ '<b>discrete strength.</b> Wifi bars, bt RSSI — a stepped 0-4. Already in the net panel.');
+card(M,'14','Linear fuel bar',
+ `<div class="bar"><span style="width:72%"></span></div><div class="bar warn"><span style="width:12%"></span></div>`,
+ '<b>a single 0-100.</b> Battery, disk, download progress. Warn tint under threshold. Trivial in CSS.');
+card(M,'15','Radial ring',
+ `<span class="ring" style="--p:68"><b>68</b></span>`,
+ '<b>percentage as a donut.</b> CPU, battery, a single meter where a needle is overkill. conic-gradient, pure CSS.');
+card(M,'16','Sparkline',
+ `<span class="spark" id="spark"><svg viewBox="0 0 170 44" preserveAspectRatio="none"><polyline id="sparkp" fill="none" stroke="var(--gold-hi)" stroke-width="1.5"/></svg></span>`,
+ '<b>recent history.</b> Throughput/CPU over the last minute. SVG here; a drawing area in GTK.');
+card(M,'17','Waveform strip',
+ `<span class="wave" id="wave"><svg viewBox="0 0 170 38" preserveAspectRatio="none"><path id="wavep" fill="none" stroke="var(--gold)" stroke-width="1.2"/></svg></span>`,
+ '<b>audio waveform / scope.</b> A richer signal view for the sound panel. <b>Needs a drawing surface.</b>');
+
+/* ============ INDICATORS & READOUTS ============ */
+const I=$('indicators');
+card(I,'18','Status lamp',
+ `<span class="lamp"></span><span class="lamp gold"></span><span class="lamp red"></span><span class="lamp off"></span><span class="lamp busy"></span>`,
+ '<b>one-glance health.</b> Green ok · gold engaged · red fail · dim off · pulsing busy. The family signature.');
+card(I,'19','Badge / tag',
+ `<span class="badge">TUNNEL</span> <span class="badge red">LOW BATT</span> <span class="badge ghost">2.4G</span>`,
+ '<b>a labelled flag.</b> On the faceplate or a row — MUTED, AIRPLANE, DEF, a band tag.');
+card(I,'20','Tabular readout',
+ `<div style="text-align:center"><div class="readout">24:10</div><span class="u">timer</span></div>
+ <div style="text-align:center"><div class="readout">68<small>%</small></div></div>`,
+ '<b>a precise number.</b> Clock, countdown, volume %. BerkeleyMono tabular-nums so digits don\'t jitter.');
+card(I,'21','Engraved label',
+ `<span class="engrave">outputs<span class="cnt">· 3</span></span>`,
+ '<b>section divider.</b> The hairline-flanked caps label with a count. Groups a panel into readable blocks.');
+card(I,'22','Output well',
+ `<div class="owell"><div class="ostep"><span class="lamp"></span><span><b>Link</b><span class="ev">wlp170s0 · @Hyatt</span></span></div>
+ <div class="ostep"><span class="lamp gold"></span><span><b>DNS</b><span class="ev">resolving…</span></span></div></div>`,
+ '<b>streaming step log.</b> The doctor/scan output — lamp-per-step with evidence. For any run-and-report action.');
+card(I,'23','Toast / status line',
+ `<span class="toastw">joined @Hyatt_WiFi — saved</span>`,
+ '<b>transient confirmation.</b> The one-line result after an action. Auto-dismiss; red variant for errors.');
+
+/* ---- live animation ---- */
+let ph=0, kang=140;
+function bumpKnob(){ kang=(kang+35)%300-0; $('kind').style.transform=`rotate(${kang-150}deg)`; }
+function armFire(){ const a=$('arm'); if(a.classList.contains('armed')){a.classList.remove('armed');a.textContent='forget';}
+ else{a.classList.add('armed');a.textContent='forget? again';} }
+buildBars($('vuL'),16); buildBars($('vuR'),16); buildBars($('mini'),0);
+$('mini').innerHTML='<i></i><i></i><i></i><i></i>';
+$('kind').style.transform=`rotate(${kang-150}deg)`;
+const hist=Array.from({length:40},()=>0.5);
+function paintVU(el,l,pk){const b=el.children,n=b.length,lit=Math.round(l*n);
+ pk.v=Math.max(lit,(pk.v||0)-0.4);const p=Math.round(pk.v);
+ for(let k=0;k<n;k++){let c=k<lit?(k>=n-2?'clip':k>=n-4?'hot':'on'):'';if(p>0&&k===p-1)c=(c?c+' ':'')+'peak';b[k].className=c;}}
+const pkL={v:0},pkR={v:0};
+function paintMini(el,l){const b=el.children,lit=Math.round(l*4);for(let k=0;k<4;k++)b[k].className=k<lit?(k>=3?'clip':k>=2?'hot':'on'):'';}
+function lvl(){return Math.max(0,Math.min(1,0.5+0.4*Math.sin(ph*1.3)+ (Math.random()<0.15?Math.random()*0.4:0) - Math.random()*0.08));}
+function tick(){
+ ph+=0.09;
+ const a=lvl(), b=lvl();
+ paintVU($('vuL'),a,pkL); paintVU($('vuR'),b,pkR); paintMini($('mini'),a);
+ // needle sweeps 0..100
+ const gv=Math.round(50+45*Math.sin(ph*0.7));
+ $('g1').style.transform=`rotate(${-60+gv/100*120}deg)`; $('g1v').textContent=gv;
+ // sparkline
+ hist.push(0.5+0.42*Math.sin(ph*0.9)+ (Math.random()-0.5)*0.25); hist.shift();
+ $('sparkp').setAttribute('points',hist.map((v,i)=>`${i/(hist.length-1)*170},${44-Math.max(0,Math.min(1,v))*40-2}`).join(' '));
+ // waveform
+ let d='M0 19'; for(let x=0;x<=170;x+=3){const y=19+Math.sin(x*0.18+ph*3)*Math.sin(x*0.05)*14; d+=` L${x} ${y.toFixed(1)}`;}
+ $('wavep').setAttribute('d',d);
+}
+if(!reduced) setInterval(tick,80); else tick();
+</script>
+</body>
+</html>