bfc6cf4c53
Adds a "Spacing" section with a Base slider (0.10–0.50 rem) that live-updates all --size-1 through --size-16 CSS variables. The value persists in localStorage, resets with the Reset button, and is included in the Copy EDN output.
369 lines
16 KiB
JavaScript
369 lines
16 KiB
JavaScript
// Theme Adapter — live color scale editor for dev preview
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// Uses the framework's own CSS classes (dogfooding).
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// Self-contained IIFE. Persists state in localStorage.
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(function() {
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'use strict';
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// ── OKLCH helpers ───────────────────────────────────────────────
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function oklchCSS(l, c, h) {
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return 'oklch(' + l.toFixed(3) + ' ' + c.toFixed(4) + ' ' + h.toFixed(1) + ')';
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}
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function oklchToHex(L, C, H) {
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var hRad = H * Math.PI / 180;
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var a = C * Math.cos(hRad), b = C * Math.sin(hRad);
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var l_ = L + 0.3963377774 * a + 0.2158037573 * b;
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var m_ = L - 0.1055613458 * a - 0.0638541728 * b;
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var s_ = L - 0.0894841775 * a - 1.2914855480 * b;
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var l3 = l_*l_*l_, m3 = m_*m_*m_, s3 = s_*s_*s_;
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var rLin = 4.0767416621*l3 - 3.3077115913*m3 + 0.2309699292*s3;
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var gLin = -1.2684380046*l3 + 2.6097574011*m3 - 0.3413193965*s3;
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var bLin = -0.0041960863*l3 - 0.7034186147*m3 + 1.7076147010*s3;
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function gamma(x) { return x <= 0.0031308 ? 12.92*x : 1.055*Math.pow(Math.max(0,x),1/2.4)-0.055; }
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function clamp(x) { return Math.max(0, Math.min(255, Math.round(gamma(Math.max(0,x))*255))); }
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var r = clamp(rLin), g = clamp(gLin), bl = clamp(bLin);
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return '#' + [r,g,bl].map(function(v){ var h = v.toString(16); return h.length<2?'0'+h:h; }).join('');
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}
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// ── Scale step definitions [label, lightness, baseChroma] ──────
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var GRAY_STEPS = [
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[50,0.975,0.003],[100,0.955,0.005],[200,0.915,0.010],[300,0.850,0.012],[400,0.690,0.025],
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[500,0.530,0.035],[600,0.425,0.035],[700,0.350,0.035],[800,0.245,0.025],[900,0.190,0.016],[950,0.145,0.011]
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];
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var ACCENT_STEPS = [
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[50,0.965,0.020],[100,0.925,0.040],[200,0.860,0.075],[300,0.770,0.125],[400,0.690,0.170],
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[500,0.595,0.230],[600,0.505,0.255],[700,0.450,0.245],[800,0.395,0.210],[900,0.350,0.175],[950,0.260,0.130]
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];
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// ── Presets ────────────────────────────────────────────────────
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var PRESETS = [
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{ name: 'Purple', grayHue: 285, graySat: 1.0, accentHue: 286, accentSat: 1.0 },
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{ name: 'Blue', grayHue: 255, graySat: 0.5, accentHue: 255, accentSat: 0.87 },
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{ name: 'Neutral', grayHue: 0, graySat: 0.0, accentHue: 255, accentSat: 0.87 },
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{ name: 'Warm', grayHue: 60, graySat: 0.7, accentHue: 50, accentSat: 0.85 },
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{ name: 'Rose', grayHue: 0, graySat: 0.5, accentHue: 350, accentSat: 0.85 },
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{ name: 'Emerald', grayHue: 165, graySat: 0.5, accentHue: 165, accentSat: 0.75 },
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];
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// ── Spacing scale ───────────────────────────────────────────────
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var SIZE_STEPS = 16; // --size-1 through --size-16
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var DEFAULT_SIZE_BASE = 0.25; // rem
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// ── State ──────────────────────────────────────────────────────
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var STORAGE_KEY = 'ui-fw-theme-adapter-v2';
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var DEFAULT = { grayHue: 285, graySat: 1.0, accentHue: 286, accentSat: 1.0, sizeBase: DEFAULT_SIZE_BASE, open: false };
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var state = assign({}, DEFAULT);
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try {
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var saved = JSON.parse(localStorage.getItem(STORAGE_KEY));
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if (saved) state = assign({}, DEFAULT, saved);
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} catch(e) {}
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function assign(target) {
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for (var i = 1; i < arguments.length; i++) {
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var src = arguments[i];
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if (src) for (var k in src) if (src.hasOwnProperty(k)) target[k] = src[k];
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}
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return target;
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}
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function save() {
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try { localStorage.setItem(STORAGE_KEY, JSON.stringify(state)); } catch(e) {}
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}
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// ── Apply colors to :root ─────────────────────────────────────
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function applyScale(name, hue, steps, chromaMul) {
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var root = document.documentElement.style;
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for (var i = 0; i < steps.length; i++) {
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var label = steps[i][0], l = steps[i][1], baseChroma = steps[i][2];
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var c = Math.min(0.4, baseChroma * chromaMul);
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root.setProperty('--' + name + '-' + label, oklchCSS(l, c, hue));
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}
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}
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function applySpacing() {
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var root = document.documentElement.style;
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for (var n = 1; n <= SIZE_STEPS; n++) {
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var val = (state.sizeBase * n);
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// Format: strip trailing zeros, max 3 decimal places
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var s = val.toFixed(3).replace(/0+$/, '').replace(/\.$/, '');
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root.setProperty('--size-' + n, s + 'rem');
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}
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}
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function apply() {
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applyScale('gray', state.grayHue, GRAY_STEPS, state.graySat);
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applyScale('accent', state.accentHue, ACCENT_STEPS, state.accentSat);
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applySpacing();
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save();
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updateUI();
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}
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function reset() {
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state = assign({}, DEFAULT, { open: true });
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var root = document.documentElement.style;
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GRAY_STEPS.forEach(function(s) { root.removeProperty('--gray-' + s[0]); });
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ACCENT_STEPS.forEach(function(s) { root.removeProperty('--accent-' + s[0]); });
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for (var n = 1; n <= SIZE_STEPS; n++) { root.removeProperty('--size-' + n); }
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save();
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updateUI();
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}
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// ── Generate EDN for tokens.edn ───────────────────────────────
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function generateEDN() {
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function fmtSteps(steps, chromaMul) {
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return steps.map(function(s) {
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var c = Math.min(0.4, s[2] * chromaMul);
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return ' [' + String(s[0]).padStart(3) + ' ' + s[1].toFixed(3) + ' ' + c.toFixed(3) + ']';
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}).join('\n');
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}
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var grayChroma = Math.min(0.4, 0.025 * state.graySat);
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var accentChroma = Math.min(0.4, 0.23 * state.accentSat);
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var sizeBase = state.sizeBase.toFixed(3).replace(/0+$/, '').replace(/\.$/, '');
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return ':scales\n' +
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' {:size {:base ' + sizeBase + ' :unit "rem" :steps ' + SIZE_STEPS + '}\n\n' +
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' :color\n' +
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' {:gray {:hue ' + state.grayHue + ' :chroma ' + grayChroma.toFixed(3) + '\n' +
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' :steps [' + fmtSteps(GRAY_STEPS, state.graySat).trimStart() + ']}\n\n' +
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' :accent {:hue ' + state.accentHue + ' :chroma ' + accentChroma.toFixed(2) + '\n' +
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' :steps [' + fmtSteps(ACCENT_STEPS, state.accentSat).trimStart() + ']}}}';
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}
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// ── DOM helpers ────────────────────────────────────────────────
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var panel, toggleBtn, swatchGray, swatchAccent, presetBtns = [], inputs = {};
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function el(tag, cls, children) {
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var e = document.createElement(tag);
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if (cls) e.className = cls;
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if (typeof children === 'string') e.textContent = children;
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else if (Array.isArray(children)) children.forEach(function(c) { if (c) e.appendChild(c); });
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return e;
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}
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function hueGradient() {
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return 'linear-gradient(to right, oklch(0.65 0.15 0),oklch(0.65 0.15 60),oklch(0.65 0.15 120),oklch(0.65 0.15 180),oklch(0.65 0.15 240),oklch(0.65 0.15 300),oklch(0.65 0.15 360))';
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}
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function chromaGradient(hue) {
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return 'linear-gradient(to right, oklch(0.5 0 ' + hue + '), oklch(0.5 0.15 ' + hue + '))';
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}
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// ── Build slider row ──────────────────────────────────────────
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function makeSlider(id, label, min, max, step, gradient) {
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var row = el('div', 'flex items-center gap-2');
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var lbl = el('span', 'text-xs text-faint shrink-0', label);
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lbl.style.width = '26px';
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var input = el('input', 'form-range flex-1');
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input.type = 'range';
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input.min = String(min);
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input.max = String(max);
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input.step = String(step);
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if (gradient) input.style.background = gradient;
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var val = el('span', 'text-xs text-muted shrink-0 font-mono text-right', '0');
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val.style.width = '32px';
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row.appendChild(lbl);
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row.appendChild(input);
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row.appendChild(val);
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inputs[id] = { input: input, value: val };
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return row;
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}
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// ── Build swatch row ──────────────────────────────────────────
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function makeSwatches() {
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var row = el('div', 'swatch-row');
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var items = [];
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for (var i = 0; i < 11; i++) {
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var sw = el('div', 'swatch');
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row.appendChild(sw);
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items.push(sw);
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}
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return { row: row, items: items };
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}
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// ── Build panel ───────────────────────────────────────────────
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function buildPanel() {
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var root = el('div', 'popover popover-br');
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// Toggle button (visible when panel closed)
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toggleBtn = el('button', 'btn btn-secondary btn-icon btn-icon-round', '\u{1F3A8}');
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toggleBtn.addEventListener('click', function() {
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state.open = true; save(); updateUI();
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});
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// Panel card
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panel = el('div', 'card card-flush');
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panel.style.width = '280px';
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// ─ Header section ─
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var header = el('div', 'card-section flex items-center justify-between');
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var title = el('span', 'font-semibold text-sm', 'Theme');
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var headerActions = el('div', 'flex items-center gap-2');
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var resetBtn = el('button', 'btn btn-ghost btn-sm', 'Reset');
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resetBtn.addEventListener('click', reset);
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var closeBtn = el('button', 'btn btn-ghost btn-icon btn-sm', '\u00d7');
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closeBtn.addEventListener('click', function() {
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state.open = false; save(); updateUI();
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});
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headerActions.appendChild(resetBtn);
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headerActions.appendChild(closeBtn);
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header.appendChild(title);
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header.appendChild(headerActions);
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// ─ Body section ─
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var body = el('div', 'card-section vstack gap-3');
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// Presets
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var presetRow = el('div', 'hstack gap-1');
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PRESETS.forEach(function(p) {
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var dot = el('span', 'chip-dot');
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dot.style.background = oklchToHex(0.595, 0.23 * p.accentSat, p.accentHue);
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var btn = el('button', 'chip');
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btn.appendChild(dot);
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btn.appendChild(document.createTextNode(p.name));
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btn.addEventListener('click', function() {
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state.grayHue = p.grayHue;
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state.graySat = p.graySat;
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state.accentHue = p.accentHue;
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state.accentSat = p.accentSat;
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apply();
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});
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presetBtns.push({ el: btn, preset: p });
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presetRow.appendChild(btn);
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});
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// Gray scale section
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var graySection = el('div', 'vstack gap-2');
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graySection.appendChild(el('div', 'text-xs text-faint uppercase tracking-wide font-semibold', 'Gray'));
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graySection.appendChild(makeSlider('grayHue', 'Hue', 0, 360, 1, hueGradient()));
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graySection.appendChild(makeSlider('graySat', 'Chr', 0, 200, 1));
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var graySwatches = makeSwatches();
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swatchGray = graySwatches.items;
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graySection.appendChild(graySwatches.row);
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// Accent scale section
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var accentSection = el('div', 'vstack gap-2');
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accentSection.appendChild(el('div', 'text-xs text-faint uppercase tracking-wide font-semibold', 'Accent'));
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accentSection.appendChild(makeSlider('accentHue', 'Hue', 0, 360, 1, hueGradient()));
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accentSection.appendChild(makeSlider('accentSat', 'Chr', 0, 200, 1));
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var accentSwatches = makeSwatches();
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swatchAccent = accentSwatches.items;
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accentSection.appendChild(accentSwatches.row);
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// Spacing section
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var spacingSection = el('div', 'vstack gap-2');
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spacingSection.appendChild(el('div', 'text-xs text-faint uppercase tracking-wide font-semibold', 'Spacing'));
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spacingSection.appendChild(makeSlider('sizeBase', 'Base', 10, 50, 1));
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body.appendChild(presetRow);
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body.appendChild(graySection);
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body.appendChild(accentSection);
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body.appendChild(spacingSection);
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// ─ Footer section ─
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var footer = el('div', 'card-section');
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var copyBtn = el('button', 'btn btn-secondary btn-sm w-full', 'Copy EDN');
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copyBtn.addEventListener('click', function() {
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var edn = generateEDN();
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navigator.clipboard.writeText(edn).then(function() {
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copyBtn.textContent = 'Copied!';
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setTimeout(function() { copyBtn.textContent = 'Copy EDN'; }, 1500);
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});
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});
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footer.appendChild(copyBtn);
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// Assemble
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panel.appendChild(header);
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panel.appendChild(body);
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panel.appendChild(footer);
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root.appendChild(toggleBtn);
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root.appendChild(panel);
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document.body.appendChild(root);
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// Slider events
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inputs.grayHue.input.addEventListener('input', function(e) {
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state.grayHue = parseInt(e.target.value); apply();
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});
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inputs.graySat.input.addEventListener('input', function(e) {
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state.graySat = parseInt(e.target.value) / 100; apply();
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});
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inputs.accentHue.input.addEventListener('input', function(e) {
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state.accentHue = parseInt(e.target.value); apply();
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});
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inputs.accentSat.input.addEventListener('input', function(e) {
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state.accentSat = parseInt(e.target.value) / 100; apply();
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});
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inputs.sizeBase.input.addEventListener('input', function(e) {
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state.sizeBase = parseInt(e.target.value) / 100; apply();
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});
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}
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// ── Update UI ─────────────────────────────────────────────────
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function updateUI() {
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if (!panel) return;
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// Show/hide
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panel.style.display = state.open ? 'flex' : 'none';
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toggleBtn.style.display = state.open ? 'none' : 'inline-flex';
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// Sync slider values
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inputs.grayHue.input.value = state.grayHue;
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inputs.grayHue.value.textContent = state.grayHue + '\u00b0';
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inputs.graySat.input.value = Math.round(state.graySat * 100);
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inputs.graySat.value.textContent = Math.round(state.graySat * 100) + '%';
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inputs.graySat.input.style.background = chromaGradient(state.grayHue);
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inputs.accentHue.input.value = state.accentHue;
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inputs.accentHue.value.textContent = state.accentHue + '\u00b0';
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inputs.accentSat.input.value = Math.round(state.accentSat * 100);
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inputs.accentSat.value.textContent = Math.round(state.accentSat * 100) + '%';
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inputs.accentSat.input.style.background = chromaGradient(state.accentHue);
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// Sync spacing slider
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inputs.sizeBase.input.value = Math.round(state.sizeBase * 100);
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inputs.sizeBase.value.textContent = state.sizeBase.toFixed(2);
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// Preset active states — uses .chip / .chip-active
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presetBtns.forEach(function(item) {
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var p = item.preset;
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var isActive = (state.grayHue === p.grayHue && state.graySat === p.graySat &&
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state.accentHue === p.accentHue && state.accentSat === p.accentSat);
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item.el.className = isActive ? 'chip chip-active' : 'chip';
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});
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// Swatches
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if (swatchGray) {
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GRAY_STEPS.forEach(function(s, i) {
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var c = Math.min(0.4, s[2] * state.graySat);
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swatchGray[i].style.background = oklchCSS(s[1], c, state.grayHue);
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});
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}
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if (swatchAccent) {
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ACCENT_STEPS.forEach(function(s, i) {
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var c = Math.min(0.4, s[2] * state.accentSat);
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swatchAccent[i].style.background = oklchCSS(s[1], c, state.accentHue);
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});
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}
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}
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// ── Init ───────────────────────────────────────────────────────
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function init() {
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buildPanel();
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if (state.grayHue !== DEFAULT.grayHue || state.graySat !== DEFAULT.graySat ||
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state.accentHue !== DEFAULT.accentHue || state.accentSat !== DEFAULT.accentSat ||
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state.sizeBase !== DEFAULT.sizeBase) {
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apply();
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} else {
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updateUI();
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}
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}
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', init);
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} else {
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init();
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}
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})();
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