[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"verticals":3,"playground-text-wrap-balance-headline-orphans":32},[4,20],{"id":5,"slug":6,"name":7,"tagline":8,"description":9,"accentFrom":10,"accentTo":11,"icon":12,"defaultLocale":13,"locales":14,"features":16,"position":19},"019fe637-3d33-714b-b57f-23e163ffca0c","dev","Web Development","Build. Learn. Ship.","Practical courses, engineering-grade articles and open-source tools for people who ship.","violet-500","cyan-400","◇","en",[13,15],"fa",{"courses":17,"paths":17,"articles":17,"exams":18,"flashcards":18,"packages":17,"community":17,"certificates":17,"teams":17,"commerce":17},true,false,0,{"id":21,"slug":22,"name":23,"tagline":24,"description":25,"accentFrom":26,"accentTo":10,"icon":27,"defaultLocale":13,"locales":28,"features":30,"position":31},"019fe637-3dc2-754c-8657-0f175bfee7c6","lang","Languages","Learn a language the way you learn a codebase.","Structured paths, listening drills and spaced repetition that actually sticks.","amber-400","⌘",[13,15,29],"es",{"courses":17,"paths":17,"articles":18,"exams":18,"flashcards":18,"packages":18,"community":17,"certificates":18,"teams":18,"commerce":17},2,{"slug":33,"title":34,"summary":35,"html":36,"css":37,"js":38,"config":39,"doc":41},"text-wrap-balance-headline-orphans","text-wrap: balance & pretty — end headline orphans",null,"\u003Cdiv class=\"pg\">\n    \u003Ch1 class=\"pg-title\">🎮 text-wrap: balance — end the headline orphan\u003C\u002Fh1>\n    \u003Cp class=\"pg-sub\">\n      The default line-breaker fills each line greedily, so a headline near its\n      container edge strands its last word alone. \u003Ccode>text-wrap: balance\u003C\u002Fcode> evens\n      the lines out instead. Edit the text, drag the width, and watch both boxes\n      re-break — the metrics are \u003Cstrong>measured from the real rendered lines\u003C\u002Fstrong>.\n    \u003C\u002Fp>\n\n    \u003Cdiv class=\"panel\">\n      \u003Cdiv class=\"panel-label\">\u003Cspan class=\"n\">1\u003C\u002Fspan> Your headline & its container width\u003C\u002Fdiv>\n      \u003Cdiv class=\"field\">\n        \u003Clabel class=\"label\" for=\"headlineInput\">Headline text\u003C\u002Flabel>\n        \u003Cinput id=\"headlineInput\" type=\"text\"\n          value=\"The Practical Guide to Building Resilient Web Apps\"\n          aria-label=\"Headline text\" \u002F>\n      \u003C\u002Fdiv>\n      \u003Cdiv class=\"presets\" style=\"margin-top:12px\">\n        \u003Cbutton class=\"btn sm\" data-preset=\"The Practical Guide to Building Resilient Web Apps\">📘 Guide headline\u003C\u002Fbutton>\n        \u003Cbutton class=\"btn sm\" data-preset=\"Automate Your Deployment Pipeline Without the Overhead\">🚀 Marketing card\u003C\u002Fbutton>\n        \u003Cbutton class=\"btn sm\" data-preset=\"Ship faster with confidence\">✨ Short & punchy\u003C\u002Fbutton>\n        \u003Cbutton class=\"btn sm\" data-preset=\"Everything You Need to Know About Modern CSS Layout Techniques\">📐 Long headline\u003C\u002Fbutton>\n      \u003C\u002Fdiv>\n      \u003Cdiv class=\"field\" style=\"margin-top:16px\">\n        \u003Clabel class=\"label\" for=\"widthRange\">Container width\u003C\u002Flabel>\n        \u003Cdiv class=\"wrow\">\n          \u003Cinput id=\"widthRange\" type=\"range\" min=\"180\" max=\"560\" step=\"4\" value=\"300\" aria-label=\"Container width in pixels\" \u002F>\n          \u003Cspan class=\"px\" id=\"widthPx\">300px\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n      \u003Cdiv class=\"btn-row\" style=\"margin-top:10px\">\n        \u003Cbutton class=\"btn ghost sm\" id=\"resetBtn\">Reset\u003C\u002Fbutton>\n      \u003C\u002Fdiv>\n    \u003C\u002Fdiv>\n\n    \u003Cdiv class=\"panel\">\n      \u003Cdiv class=\"panel-label\">\u003Cspan class=\"n\">2\u003C\u002Fspan> Same headline, same width — two line-breakers\u003C\u002Fdiv>\n      \u003Cdiv class=\"banner info\" id=\"supportBanner\">\n        ⚠️ This browser doesn't support \u003Ccode>text-wrap: balance\u003C\u002Fcode>, so both boxes\n        below fall back to the default and look identical. Try the latest Chrome, Firefox, or Safari.\n      \u003C\u002Fdiv>\n      \u003Cdiv class=\"two\">\n        \u003Cdiv>\n          \u003Cdiv class=\"spec-head\">\n            \u003Cspan class=\"spec-name bad-h\">❌ Default (text-wrap: normal)\u003C\u002Fspan>\n          \u003C\u002Fdiv>\n          \u003Cdiv class=\"stage\">\n            \u003Cdiv class=\"specimen greedy\" id=\"specGreedy\">\n              \u003Cp class=\"headline\" id=\"hlGreedy\">\u003C\u002Fp>\n            \u003C\u002Fdiv>\n          \u003C\u002Fdiv>\n          \u003Cdiv class=\"metrics\" id=\"metGreedy\">\u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n        \u003Cdiv>\n          \u003Cdiv class=\"spec-head\">\n            \u003Cspan class=\"spec-name good-h\">✅ text-wrap: balance\u003C\u002Fspan>\n          \u003C\u002Fdiv>\n          \u003Cdiv class=\"stage\">\n            \u003Cdiv class=\"specimen balanced\" id=\"specBalanced\">\n              \u003Cp class=\"headline\" id=\"hlBalanced\">\u003C\u002Fp>\n            \u003C\u002Fdiv>\n          \u003C\u002Fdiv>\n          \u003Cdiv class=\"metrics\" id=\"metBalanced\">\u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n      \u003Cdiv class=\"status good\" style=\"margin-top:14px\" role=\"status\" aria-live=\"polite\">\n        \u003Cspan class=\"dot good\" id=\"statusDot\">\u003C\u002Fspan>\u003Cspan id=\"statusText\">Adjust the width until the default box orphans its last word.\u003C\u002Fspan>\n      \u003C\u002Fdiv>\n    \u003C\u002Fdiv>\n\n    \u003Cdiv class=\"panel\">\n      \u003Cdiv class=\"panel-label\">\u003Cspan class=\"n\">3\u003C\u002Fspan> Body text is different — that's what \u003Ccode>text-wrap: pretty\u003C\u002Fcode> is for\u003C\u002Fdiv>\n      \u003Cp class=\"hint\" style=\"margin-top:0\">\n        \u003Ccode>balance\u003C\u002Fcode> would reshape every line of a long paragraph. \u003Ccode>pretty\u003C\u002Fcode> only\n        touches the last few lines, pulling a stranded final word back up. Toggle it:\n      \u003C\u002Fp>\n      \u003Clabel class=\"toggle\" style=\"margin:6px 0 14px\">\n        \u003Cinput type=\"checkbox\" id=\"prettyToggle\" \u002F>\u003Cspan class=\"switch\">\u003C\u002Fspan>\n        \u003Cspan>Apply \u003Ccode>text-wrap: pretty\u003C\u002Fcode> to the paragraph\u003C\u002Fspan>\n      \u003C\u002Flabel>\n      \u003Cdiv class=\"stage\" style=\"justify-content:flex-start\">\n        \u003Cp class=\"prose normal\" id=\"prose\">\n          Long-form paragraphs have their own orphan problem: a single word stranded on the\n          last line looks unfinished. Turning on pretty asks the browser to look ahead and\n          avoid it, without disturbing the rhythm of the lines above.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n      \u003Cdiv class=\"metrics\" id=\"metProse\" style=\"margin-top:10px\">\u003C\u002Fdiv>\n    \u003C\u002Fdiv>\n\n    \u003Cdiv class=\"panel\">\n      \u003Cdiv class=\"panel-label\">\u003Cspan class=\"n\">4\u003C\u002Fspan> The whole fix, in two rules\u003C\u002Fdiv>\n      \u003Cdiv class=\"code\" id=\"cssBlock\" aria-hidden=\"true\">\u003C\u002Fdiv>\n      \u003Cp class=\"hint\">Baseline 2024 — no JavaScript, no \u003Ccode><br>\u003C\u002Fcode>, no ResizeObserver. Unsupported browsers just fall back to the default wrap.\u003C\u002Fp>\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>","\u002F*\n * Shared playground design system — daily-post\n * ============================================\n * Link it from any post's playground\u002Findex.html (no per-post boilerplate):\n *\n *   \u003Clink rel=\"stylesheet\" href=\"..\u002F..\u002F..\u002Fplayground\u002Fassets\u002Fbase.css\" \u002F>\n *\n * The relative path resolves the same locally (posts\u002F\u003Cbase>\u002Fplayground\u002F) and on\n * the deployed host (public\u002Fposts\u002F\u003Cbase>\u002Fplayground\u002F), because build-site.js\n * mirrors this file to public\u002Fplayground\u002Fassets\u002Fbase.css. For a CodeSandbox\n * --embed, playground.js inlines this file so the single-file sandbox still styles.\n *\n * Then write ONLY the demo-specific CSS in your inline \u003Cstyle>. Everything below\n * — tokens, layout, panels, buttons, toggles, sliders, code blocks, status\u002Flog,\n * banners, presets — comes for free and looks consistent across every post.\n *\n * Theme-aware: dark by default, light via prefers-color-scheme AND a\n * [data-theme] override on \u003Chtml> (so a toggle can force either). Accessible:\n * real focus rings, adequate contrast, reduced-motion honored.\n *\u002F\n\n\u002F* ---------- design tokens ---------- *\u002F\n:root {\n  --bg: #0d1117;\n  --bg-grid: #ffffff0a;\n  --panel: #161b22;\n  --panel-2: #0b0e14;\n  --card: #0b0e14;\n  --ink: #e8ebf2;\n  --muted: #9aa4b2;\n  --faint: #6b7688;\n  --line: #232a35;\n  --line-soft: #ffffff12;\n  --accent: #7c9cff;\n  --accent-ink: #0b0e14;\n  --good: #3fb950;\n  --warn: #f0883e;\n  --bad: #f85149;\n  --info: #58a6ff;\n  --radius: 14px;\n  --radius-sm: 9px;\n  --shadow: 0 8px 30px #0006;\n  --shadow-sm: 0 4px 14px #0005;\n  --mono: ui-monospace, SFMono-Regular, \"SF Mono\", Menlo, Consolas, \"Liberation Mono\", monospace;\n  --sans: ui-sans-serif, system-ui, -apple-system, \"Segoe UI\", Roboto, \"Helvetica Neue\", sans-serif;\n  color-scheme: dark;\n}\n\n\u002F* Light theme — system preference, overridable by [data-theme] on \u003Chtml>. *\u002F\n@media (prefers-color-scheme: light) {\n  :root:not([data-theme=\"dark\"]) {\n    --bg: #f4f6fb;\n    --bg-grid: #00000008;\n    --panel: #ffffff;\n    --panel-2: #f0f3f9;\n    --card: #f7f9fc;\n    --ink: #131722;\n    --muted: #5b6472;\n    --faint: #8a93a3;\n    --line: #e2e7f0;\n    --line-soft: #00000010;\n    --accent: #2f6df0;\n    --accent-ink: #ffffff;\n    --good: #1a7f37;\n    --warn: #bc4c00;\n    --bad: #cf222e;\n    --info: #0969da;\n    --shadow: 0 8px 30px #0000001f;\n    --shadow-sm: 0 4px 14px #00000014;\n    color-scheme: light;\n  }\n}\n:root[data-theme=\"light\"] {\n  --bg: #f4f6fb;\n  --bg-grid: #00000008;\n  --panel: #ffffff;\n  --panel-2: #f0f3f9;\n  --card: #f7f9fc;\n  --ink: #131722;\n  --muted: #5b6472;\n  --faint: #8a93a3;\n  --line: #e2e7f0;\n  --line-soft: #00000010;\n  --accent: #2f6df0;\n  --accent-ink: #ffffff;\n  --good: #1a7f37;\n  --warn: #bc4c00;\n  --bad: #cf222e;\n  --info: #0969da;\n  --shadow: 0 8px 30px #0000001f;\n  --shadow-sm: 0 4px 14px #00000014;\n  color-scheme: light;\n}\n\n\u002F* ---------- reset & base ---------- *\u002F\n*, *::before, *::after { box-sizing: border-box; }\n\nbody {\n  margin: 0;\n  min-height: 100vh;\n  font-family: var(--sans);\n  color: var(--ink);\n  background:\n    radial-gradient(circle at 1px 1px, var(--bg-grid) 1px, transparent 0) 0 0 \u002F 24px 24px,\n    var(--bg);\n  display: flex;\n  justify-content: center;\n  align-items: flex-start;\n  padding: clamp(14px, 3vw, 26px);\n  line-height: 1.55;\n  -webkit-font-smoothing: antialiased;\n  text-rendering: optimizeLegibility;\n}\n\n\u002F* The single content column. *\u002F\n.pg {\n  width: 100%;\n  max-width: 860px;\n}\n\n\u002F* ---------- header ---------- *\u002F\n.pg-title {\n  font-size: clamp(1.15rem, 1rem + 1vw, 1.4rem);\n  font-weight: 800;\n  letter-spacing: -0.02em;\n  margin: 0 0 4px;\n  display: flex;\n  align-items: center;\n  gap: 9px;\n}\n.pg-sub {\n  color: var(--muted);\n  font-size: 0.92rem;\n  line-height: 1.5;\n  margin: 0 0 16px;\n  max-width: 66ch;\n}\n.pg-sub strong, .pg-sub b { color: var(--ink); font-weight: 700; }\n.pg-sub code { font-family: var(--mono); background: var(--line-soft); color: var(--accent);\n  padding: 1px 6px; border-radius: 6px; font-size: 0.85em; }\n\n\u002F* ---------- panels ---------- *\u002F\n.panel {\n  background: var(--panel);\n  border: 1px solid var(--line);\n  border-radius: var(--radius);\n  padding: 16px 18px;\n  margin-bottom: 14px;\n  box-shadow: var(--shadow-sm);\n}\n.panel-label {\n  font-size: 0.7rem;\n  text-transform: uppercase;\n  letter-spacing: 0.08em;\n  color: var(--muted);\n  font-weight: 800;\n  margin: 0 0 13px;\n  display: flex;\n  align-items: center;\n  gap: 8px;\n}\n.panel-label .n {\n  display: inline-grid; place-items: center;\n  width: 18px; height: 18px; border-radius: 50%;\n  background: var(--accent); color: var(--accent-ink);\n  font-size: 0.66rem; font-weight: 800;\n}\n\n\u002F* ---------- layout helpers ---------- *\u002F\n.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }\n.row.between { justify-content: space-between; }\n.col { display: flex; flex-direction: column; gap: 10px; }\n.grow { flex: 1 1 0; min-width: 0; }\n.wrap-controls { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: flex-end; }\n.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }\n.field > .label, .ctl-label {\n  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em;\n  color: var(--muted); font-weight: 800;\n}\n\n\u002F* ---------- buttons ---------- *\u002F\n.btn {\n  font: inherit; font-weight: 650; font-size: 0.88rem;\n  cursor: pointer; user-select: none;\n  border: 1px solid var(--line);\n  background: var(--card); color: var(--ink);\n  padding: 9px 15px; border-radius: var(--radius-sm);\n  display: inline-flex; align-items: center; gap: 8px;\n  transition: background .15s ease, border-color .15s ease, transform .05s ease, color .15s ease;\n}\n.btn:hover { background: var(--line-soft); border-color: var(--muted); }\n.btn:active { transform: translateY(1px); }\n.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }\n.btn[disabled] { opacity: 0.45; cursor: not-allowed; }\n.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }\n.btn.primary:hover { filter: brightness(1.08); background: var(--accent); }\n.btn.good { background: var(--good); border-color: var(--good); color: #04140a; }\n.btn.bad  { background: var(--bad);  border-color: var(--bad);  color: #fff; }\n.btn.ghost { background: transparent; }\n.btn.sm { padding: 6px 11px; font-size: 0.82rem; }\n\n.btn-row { display: flex; flex-wrap: wrap; gap: 9px; }\n\n\u002F* Segmented control — a row of buttons where one is active (aria-pressed). *\u002F\n.seg { display: inline-flex; background: var(--card); border: 1px solid var(--line);\n  border-radius: var(--radius-sm); padding: 3px; gap: 3px; }\n.seg button {\n  font: inherit; font-weight: 650; font-size: 0.84rem; cursor: pointer;\n  border: none; background: transparent; color: var(--muted);\n  padding: 7px 13px; border-radius: 7px;\n  transition: background .15s ease, color .15s ease;\n}\n.seg button:hover { color: var(--ink); }\n.seg button[aria-pressed=\"true\"] { background: var(--accent); color: var(--accent-ink); }\n.seg button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }\n\n\u002F* Preset chips — worked-example shortcuts. *\u002F\n.presets { display: flex; flex-wrap: wrap; gap: 8px; }\n.presets .btn { background: var(--panel-2); }\n\n\u002F* ---------- toggle switch ---------- *\u002F\n.toggle { display: inline-flex; align-items: center; gap: 10px; cursor: pointer;\n  font-size: 0.88rem; font-weight: 600; user-select: none; }\n.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }\n.switch { position: relative; width: 44px; height: 25px; border-radius: 999px; flex: none;\n  background: var(--line); border: 1px solid var(--line); transition: background .18s ease; }\n.switch::after { content: \"\"; position: absolute; top: 2px; left: 2px; width: 19px; height: 19px;\n  border-radius: 50%; background: #cfd6e4; transition: transform .18s ease; box-shadow: 0 1px 3px #0006; }\n.toggle input:checked + .switch { background: var(--good); border-color: var(--good); }\n.toggle input:checked + .switch::after { transform: translateX(19px); background: #fff; }\n.toggle input:focus-visible + .switch { outline: 2px solid var(--accent); outline-offset: 2px; }\n\n\u002F* ---------- range slider ---------- *\u002F\ninput[type=\"range\"] {\n  -webkit-appearance: none; appearance: none; width: 100%; height: 6px;\n  background: var(--line); border-radius: 999px; outline: none; cursor: pointer; margin: 8px 0;\n}\ninput[type=\"range\"]::-webkit-slider-thumb {\n  -webkit-appearance: none; appearance: none; width: 19px; height: 19px; border-radius: 50%;\n  background: var(--accent); border: 2px solid var(--panel); box-shadow: var(--shadow-sm); cursor: pointer;\n}\ninput[type=\"range\"]::-moz-range-thumb {\n  width: 19px; height: 19px; border-radius: 50%; background: var(--accent);\n  border: 2px solid var(--panel); box-shadow: var(--shadow-sm); cursor: pointer;\n}\ninput[type=\"range\"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }\n\n\u002F* ---------- text inputs \u002F selects ---------- *\u002F\ninput[type=\"text\"], input[type=\"number\"], input[type=\"search\"], select, textarea {\n  font: inherit; color: var(--ink); background: var(--card);\n  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 11px; width: 100%;\n}\ntextarea { font-family: var(--mono); font-size: 0.85rem; line-height: 1.6; resize: vertical; }\ninput:focus-visible, select:focus-visible, textarea:focus-visible {\n  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);\n}\n\n\u002F* ---------- status \u002F output \u002F log ---------- *\u002F\n.status {\n  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;\n  font-size: 0.9rem; font-weight: 600;\n  padding: 11px 14px; border-radius: var(--radius-sm);\n  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);\n}\n.status.good { border-color: color-mix(in srgb, var(--good) 55%, var(--line)); }\n.status.warn { border-color: color-mix(in srgb, var(--warn) 55%, var(--line)); }\n.status.bad  { border-color: color-mix(in srgb, var(--bad) 55%, var(--line)); }\n.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }\n.dot.good { background: var(--good); } .dot.warn { background: var(--warn); }\n.dot.bad { background: var(--bad); } .dot.info { background: var(--info); }\n\n.output { background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-sm);\n  padding: 13px 15px; }\n.log { font-family: var(--mono); font-size: 0.8rem; line-height: 1.7; background: var(--card);\n  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 11px 14px;\n  max-height: 220px; overflow-y: auto; white-space: pre-wrap; }\n\n\u002F* ---------- code block + syntax tokens ---------- *\u002F\n.code {\n  font-family: var(--mono); font-size: 0.82rem; line-height: 1.7;\n  background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-sm);\n  padding: 13px 15px; overflow-x: auto; white-space: pre; tab-size: 2;\n}\n.code .tok-sel  { color: var(--accent); }\n.code .tok-prop { color: #86e29b; }\n.code .tok-kw   { color: #ff9bcb; }\n.code .tok-str  { color: #f0c674; }\n.code .tok-num  { color: #f0883e; }\n.code .tok-cmt  { color: var(--faint); font-style: italic; }\n.code .hl { background: color-mix(in srgb, var(--good) 22%, transparent); border-radius: 4px; padding: 0 3px; }\n\n\u002F* ---------- hint \u002F caption ---------- *\u002F\n.hint { font-size: 0.83rem; color: var(--muted); line-height: 1.55; margin: 10px 0 0; }\n.hint code { font-family: var(--mono); color: var(--ink); background: var(--line-soft);\n  padding: 1px 5px; border-radius: 5px; font-size: 0.86em; }\n.hint strong { color: var(--ink); }\n\n\u002F* ---------- banner (feature-support \u002F notices) ---------- *\u002F\n.banner {\n  display: none; margin-bottom: 14px; padding: 11px 14px; border-radius: 11px;\n  font-size: 0.85rem; line-height: 1.5;\n  color: var(--ink); background: color-mix(in srgb, var(--warn) 12%, var(--panel));\n  border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--line));\n}\n.banner.show { display: block; }\n.banner.info { background: color-mix(in srgb, var(--info) 12%, var(--panel));\n  border-color: color-mix(in srgb, var(--info) 45%, var(--line)); }\n.banner code { font-family: var(--mono); background: var(--line-soft); padding: 1px 5px; border-radius: 5px; }\n\n\u002F* ---------- misc atoms ---------- *\u002F\n.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; font-weight: 700;\n  padding: 3px 9px; border-radius: 999px; background: var(--line-soft); color: var(--muted); }\n.pill.good { color: var(--good); background: color-mix(in srgb, var(--good) 16%, transparent); }\n.pill.bad  { color: var(--bad);  background: color-mix(in srgb, var(--bad) 16%, transparent); }\n.mono { font-family: var(--mono); }\n.muted { color: var(--muted); }\n.big-num { font-family: var(--mono); font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; }\n\n\u002F* Optional theme toggle button (top-right). Wire it in JS if you want it. *\u002F\n.theme-btn { position: fixed; top: 12px; right: 12px; z-index: 20; }\n\n\u002F* ---------- responsive ---------- *\u002F\n@media (max-width: 560px) {\n  .panel { padding: 14px; }\n  .wrap-controls { gap: 14px; }\n  .btn { padding: 9px 13px; }\n}\n\n\u002F* ---------- reduced motion ---------- *\u002F\n@media (prefers-reduced-motion: reduce) {\n  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }\n}\n\n\n\u002F* Demo-specific CSS ONLY. base.css already provides tokens, layout, panels,\n     buttons, segmented control, toggles, sliders, code blocks, status, etc. *\u002F\n\n  \u002F* The width control shows its value inline. *\u002F\n  .wrow { display: flex; align-items: center; gap: 12px; }\n  .wrow input[type=range] { flex: 1; }\n  .wrow .px { font-family: var(--mono); font-weight: 800; color: var(--accent);\n    min-width: 66px; text-align: right; font-size: 0.95rem; }\n\n  \u002F* Each rendered specimen sits in a centered \"stage\" so the width change is\n     visible against empty space on both sides. *\u002F\n  .stage { background: var(--panel-2); border: 1px dashed var(--line);\n    border-radius: var(--radius-sm); padding: 16px 12px; display: flex;\n    justify-content: center; overflow: hidden; }\n\n  \u002F* The specimen box itself — width is driven from JS, capped at 100% so it can\n     never overflow a narrow embed. This is the element text-wrap acts on. *\u002F\n  .specimen { width: 320px; max-width: 100%; }\n  .specimen .headline { margin: 0; font-weight: 800; line-height: 1.22;\n    font-size: clamp(1.15rem, 4.4vw, 1.6rem); color: var(--ink);\n    \u002F* words are laid out as inline spans so we can measure line breaks *\u002F\n  }\n  \u002F* the two modes *\u002F\n  .specimen.greedy .headline { text-wrap: normal; }\n  .specimen.balanced .headline { text-wrap: balance; }\n\n  \u002F* A word that ends up alone on the final line gets flagged. *\u002F\n  .w { transition: color .12s ease, background .12s ease; border-radius: 4px; }\n  .w.orphan { color: var(--bad); background: color-mix(in srgb, var(--bad) 20%, transparent);\n    padding: 0 3px; font-weight: 900; }\n\n  \u002F* Per-specimen caption: mode name + measured metrics. *\u002F\n  .spec-head { display: flex; align-items: baseline; justify-content: space-between;\n    gap: 8px; margin-bottom: 8px; }\n  .spec-name { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;\n    font-weight: 800; }\n  .spec-name.bad-h { color: var(--bad); }\n  .spec-name.good-h { color: var(--good); }\n  .metrics { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }\n  .metrics .pill { font-size: 0.64rem; }\n\n  .two { display: grid; gap: 16px; }\n\n  \u002F* Body-text (pretty) specimen. *\u002F\n  .prose { font-size: 0.98rem; line-height: 1.6; color: var(--ink); max-width: 42ch; }\n  .prose.pretty { text-wrap: pretty; }\n  .prose.normal { text-wrap: normal; }","\"use strict\";\nconst $ = (id) => document.getElementById(id);\n\nconst SUPPORTS_BALANCE =\n  (window.CSS && CSS.supports && (CSS.supports(\"text-wrap\", \"balance\") || CSS.supports(\"text-wrap-style\", \"balance\")));\n\nconst DEFAULT_HEADLINE = \"The Practical Guide to Building Resilient Web Apps\";\nconst DEFAULT_WIDTH = 300;\n\n\u002F\u002F Split a string into words and lay each one out as an inline span, so we can\n\u002F\u002F read back where the browser actually broke the lines. A trailing space keeps\n\u002F\u002F words separable while letting them flow naturally.\nfunction renderWords(el, text) {\n  el.textContent = \"\";\n  const words = text.trim().split(\u002F\\s+\u002F).filter(Boolean);\n  words.forEach((word, i) => {\n    const span = document.createElement(\"span\");\n    span.className = \"w\";\n    span.textContent = word;\n    el.appendChild(span);\n    if (i \u003C words.length - 1) el.appendChild(document.createTextNode(\" \"));\n  });\n  return el.querySelectorAll(\".w\");\n}\n\n\u002F\u002F Group the word spans into visual lines by their vertical offset, then measure\n\u002F\u002F each line's rendered width. This reads the browser's REAL layout — it is not a\n\u002F\u002F re-implementation of the line-breaking algorithm.\nfunction measureLines(wordEls) {\n  const lines = [];\n  let cur = null;\n  wordEls.forEach((w) => {\n    const top = Math.round(w.offsetTop);\n    if (!cur || cur.top !== top) {\n      cur = { top, words: [], left: Infinity, right: -Infinity };\n      lines.push(cur);\n    }\n    cur.words.push(w);\n    cur.left = Math.min(cur.left, w.offsetLeft);\n    cur.right = Math.max(cur.right, w.offsetLeft + w.offsetWidth);\n  });\n  const widths = lines.map((l) => Math.round(l.right - l.left));\n  const spread = widths.length > 1 ? Math.max(...widths) - Math.min(...widths) : 0;\n  const lastLineWords = lines.length ? lines[lines.length - 1].words.length : 0;\n  const isOrphan = lines.length > 1 && lastLineWords === 1;\n  return { lines, widths, spread, lastLineWords, isOrphan };\n}\n\nfunction pill(text, cls) {\n  return '\u003Cspan class=\"pill ' + (cls || \"\") + '\">' + text + \"\u003C\u002Fspan>\";\n}\n\nfunction renderMetrics(el, m, flagOrphanWord) {\n  const parts = [\n    pill(m.lines.length + (m.lines.length === 1 ? \" line\" : \" lines\")),\n    pill(\"last line: \" + m.lastLineWords + (m.lastLineWords === 1 ? \" word\" : \" words\"), m.isOrphan ? \"bad\" : \"good\"),\n    pill(\"length spread: \" + m.spread + \"px\", m.spread \u003C= 24 ? \"good\" : m.spread >= 80 ? \"bad\" : \"\"),\n  ];\n  if (m.isOrphan) parts.push(pill(\"orphan!\", \"bad\"));\n  el.innerHTML = parts.join(\"\");\n}\n\nfunction update() {\n  const text = $(\"headlineInput\").value || \" \";\n  const width = Number($(\"widthRange\").value);\n  $(\"widthPx\").textContent = width + \"px\";\n  $(\"specGreedy\").style.width = width + \"px\";\n  $(\"specBalanced\").style.width = width + \"px\";\n\n  const greedyWords = renderWords($(\"hlGreedy\"), text);\n  const balancedWords = renderWords($(\"hlBalanced\"), text);\n\n  \u002F\u002F Measure after layout settles.\n  requestAnimationFrame(() => {\n    const g = measureLines(greedyWords);\n    const b = measureLines(balancedWords);\n\n    \u002F\u002F Flag the orphaned word (if any) in the greedy box, red.\n    greedyWords.forEach((w) => w.classList.remove(\"orphan\"));\n    if (g.isOrphan) g.lines[g.lines.length - 1].words.forEach((w) => w.classList.add(\"orphan\"));\n\n    renderMetrics($(\"metGreedy\"), g);\n    renderMetrics($(\"metBalanced\"), b);\n\n    \u002F\u002F Narrate the difference.\n    const dot = $(\"statusDot\");\n    const status = $(\"statusText\");\n    const box = dot.parentElement;\n    if (!SUPPORTS_BALANCE) {\n      box.className = \"status warn\";\n      dot.className = \"dot warn\";\n      status.textContent = \"Your browser doesn't support text-wrap: balance, so both boxes fall back to the default.\";\n    } else if (g.isOrphan && !b.isOrphan) {\n      box.className = \"status good\";\n      dot.className = \"dot good\";\n      status.textContent =\n        \"The default box stranded its last word alone (spread \" + g.spread + \"px). balance re-broke the same text into \" +\n        b.lines.length + \" even lines — no orphan, spread down to \" + b.spread + \"px.\";\n    } else if (!g.isOrphan && g.spread - b.spread >= 12) {\n      box.className = \"status good\";\n      dot.className = \"dot good\";\n      status.textContent =\n        \"No orphan here, but the lines are uneven: default spread \" + g.spread + \"px vs balance \" + b.spread +\n        \"px. balance still evens them out.\";\n    } else if (g.lines.length \u003C= 1) {\n      box.className = \"status\";\n      dot.className = \"dot\";\n      status.textContent = \"One line fits — nothing to balance yet. Narrow the container until the headline wraps.\";\n    } else {\n      box.className = \"status\";\n      dot.className = \"dot\";\n      status.textContent =\n        \"At this width the default already breaks reasonably (spread \" + g.spread + \"px). Try a narrower width or a longer headline to force an orphan.\";\n    }\n  });\n}\n\n\u002F\u002F Body-text pretty toggle.\nfunction updateProse() {\n  const on = $(\"prettyToggle\").checked;\n  const prose = $(\"prose\");\n  prose.className = \"prose \" + (on ? \"pretty\" : \"normal\");\n  const words = renderWords(prose, prose.dataset.text || prose.textContent);\n  prose.dataset.text = prose.dataset.text || [...words].map((w) => w.textContent).join(\" \");\n  requestAnimationFrame(() => {\n    const m = measureLines(prose.querySelectorAll(\".w\"));\n    const el = $(\"metProse\");\n    el.innerHTML = [\n      pill(m.lines.length + \" lines\"),\n      pill(\"last line: \" + m.lastLineWords + (m.lastLineWords === 1 ? \" word\" : \" words\"), m.isOrphan ? \"bad\" : \"good\"),\n      pill(on ? \"text-wrap: pretty\" : \"text-wrap: normal\", on ? \"good\" : \"\"),\n    ].join(\"\");\n  });\n}\n\n$(\"cssBlock\").innerHTML =\n  '\u003Cspan class=\"tok-cmt\">\u002F* headings: even out the lines, kill orphans *\u002F\u003C\u002Fspan>\\n' +\n  '\u003Cspan class=\"tok-sel\">h1, h2, h3, h4, h5, h6\u003C\u002Fspan> {\\n' +\n  '  \u003Cspan class=\"tok-prop\">text-wrap\u003C\u002Fspan>: \u003Cspan class=\"tok-kw\">balance\u003C\u002Fspan>;\\n' +\n  '}\\n\\n' +\n  '\u003Cspan class=\"tok-cmt\">\u002F* body text: only fix the last-line orphan *\u002F\u003C\u002Fspan>\\n' +\n  '\u003Cspan class=\"tok-sel\">p, li, figcaption, blockquote\u003C\u002Fspan> {\\n' +\n  '  \u003Cspan class=\"tok-prop\">text-wrap\u003C\u002Fspan>: \u003Cspan class=\"tok-kw\">pretty\u003C\u002Fspan>;\\n' +\n  '}';\n\n$(\"headlineInput\").addEventListener(\"input\", update);\n$(\"widthRange\").addEventListener(\"input\", update);\n$(\"prettyToggle\").addEventListener(\"change\", updateProse);\n$(\"resetBtn\").addEventListener(\"click\", () => {\n  $(\"headlineInput\").value = DEFAULT_HEADLINE;\n  $(\"widthRange\").value = String(DEFAULT_WIDTH);\n  $(\"prettyToggle\").checked = false;\n  update();\n  updateProse();\n});\n\nif (!SUPPORTS_BALANCE) $(\"supportBanner\").classList.add(\"show\");\n\nupdate();\nupdateProse();",{"height":40,"autorun":17},520,{"slug":33,"title":42,"excerpt":43,"coverUrl":44},"You hand-edit headlines to avoid orphaned words. `text-wrap: balance` does it natively.","The classic fix for a headline that breaks awkwardly — a manual `\u003Cbr>`, a `­`, or a max-width tweak — exists because CSS had no way to distribute line breaks evenly. `text-wrap: balance` and `text-wrap: pretty` are the native answers.","\u002Fmedia\u002Fcovers\u002Ftext-wrap-balance-headline-orphans.png"]