Pure TailwindMIT licensed

Tailwind Dashboard Mega Menu with Live Status Panel

An operations console where the mega panel doubles as a status board: three columns of tools, and a live rail showing service health, an incident callout and the current deploy. Each health row is a @container child that drops its state label, then its latency, as the rail narrows. A scanline sweeps the panel on open while rows switch on in discrete flickers. Zero JavaScript.

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The code

<section class="tmm-16 relative w-full min-h-svh bg-tmm16-bg bg-[linear-gradient(color-mix(in_oklab,var(--color-tmm16-acc)_5%,transparent)_1px,transparent_1px)] bg-size-[100%_3px] font-tmm16-mono leading-normal text-tmm16-ink [&_:focus-visible]:outline-2 [&_:focus-visible]:outline-offset-2 [&_:focus-visible]:outline-tmm16-acc" aria-labelledby="tmm16-title">
  <h2 class="sr-only" id="tmm16-title">Basalt Console</h2>

  <div class="absolute top-[7px] right-[clamp(0.75rem,3vw,1.5rem)] z-60">
    <input class="peer absolute inset-0 m-0 size-full cursor-pointer opacity-0" type="checkbox" id="tmm16-theme">
    <label class="grid size-11 cursor-pointer place-items-center rounded-none border border-tmm16-line bg-tmm16-surf text-tmm16-ink peer-focus-visible:outline-2 peer-focus-visible:outline-offset-3 peer-focus-visible:outline-tmm16-acc" for="tmm16-theme">
      <svg class="size-5" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><circle cx="12" cy="12" r="8.5" fill="none" stroke="currentColor" stroke-width="1.6"/><path d="M12 3.5a8.5 8.5 0 0 0 0 17Z" fill="currentColor"/></svg>
      <span class="sr-only">Toggle dark theme</span>
    </label>
  </div>

  <header class="relative z-10 w-full border-y border-tmm16-line bg-tmm16-surf">
    <div class="mx-auto flex min-h-[58px] w-[min(78rem,calc(100%-2rem))] flex-wrap items-stretch gap-x-[clamp(0.5rem,2vw,1.5rem)] pr-15 max-[52rem]:flex-col max-[52rem]:py-2">
      <a class="inline-flex items-center text-[0.92rem]/none font-bold tracking-[-0.02em] text-tmm16-acc" href="#tmm16-title">basalt<span class="text-tmm16-mut">/console</span><span aria-hidden="true" class="ml-0.5 inline-block h-4 w-2 animate-tmm16-blink bg-tmm16-acc motion-reduce:animate-none"></span></a>
      <nav class="flex min-w-0" aria-label="Primary">
        <ul class="flex flex-wrap gap-0.5 max-[52rem]:flex-col">
          <li data-tmm16-item class="flex items-stretch max-[52rem]:block">
            <button type="button" id="tmm16-trigger-services" aria-expanded="false" aria-controls="tmm16-panel-services" class="inline-flex min-h-11 cursor-pointer items-center px-3.5 text-[0.86rem]/none font-medium tracking-[0.02em] text-tmm16-ink transition-colors before:text-tmm16-mut before:mr-1.5 before:content-['>'] hover:text-tmm16-acc tmm16-open:bg-tmm16-acc/12 tmm16-open:text-tmm16-acc">Services</button>
            <div class="invisible absolute inset-x-0 top-full z-30 overflow-clip border-b border-tmm16-line bg-tmm16-panel opacity-0 pointer-events-none transition-[opacity,visibility] duration-140 ease-linear before:pointer-events-none before:absolute before:inset-x-0 before:top-0 before:h-1/3 before:bg-linear-to-b before:from-transparent before:via-tmm16-acc/24 before:to-transparent before:opacity-0 tmm16-open:visible tmm16-open:opacity-100 tmm16-open:pointer-events-auto tmm16-open:before:animate-tmm16-scan motion-reduce:transition-none motion-reduce:before:hidden max-[52rem]:static max-[52rem]:hidden max-[52rem]:visible max-[52rem]:opacity-100 max-[52rem]:tmm16-open:block" id="tmm16-panel-services" aria-labelledby="tmm16-trigger-services">
              <div class="mx-auto grid w-[min(78rem,calc(100%-2rem))] grid-cols-[repeat(auto-fit,minmax(min(100%,11rem),1fr))] gap-[clamp(0.9rem,2.6vw,2rem)] py-[clamp(1rem,3vw,1.75rem)] min-[66rem]:grid-cols-[repeat(3,minmax(0,1fr))_24rem] max-[52rem]:w-full max-[52rem]:px-4">
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Compute</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Edge functions</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Container fleet</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Cron and queues</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-250 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Build pipeline</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Data</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Postgres clusters</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Object storage</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Replication</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Observe</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Traces</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Log search</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Alert rules</a></li>
                  </ul>
                </section>
                <section class="@container col-span-full grid min-w-0 content-start gap-2.5 border border-tmm16-line bg-tmm16-acc/5 px-4 py-3.5 min-[66rem]:col-auto">
                  <h3 class="flex items-center justify-between text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-acc uppercase">Live status<span class="font-normal tracking-[0.08em] text-tmm16-mut normal-case">updated 12s ago</span></h3>
                  <ul class="grid gap-px">
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">api.eu-west-2</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">142ms</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">operational</span>
                    </li>
                    <li data-state="warn" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">queue.workers</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">1204ms</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">degraded</span>
                    </li>
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">pg.primary</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">18ms</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">operational</span>
                    </li>
                  </ul>
                  <p class="flex min-h-[3.4rem] gap-2.5 rounded-sm bg-tmm16-warn/10 px-3 py-2 text-[0.75rem] text-tmm16-ink text-pretty ring-1 ring-tmm16-warn/30 ring-inset"><svg class="mt-0.5 size-3.5 flex-none text-tmm16-warn" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 3 22 20H2Z" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/><path d="M12 10v4M12 17v.5" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg><span><b class="text-tmm16-warn">INC-4471</b> Elevated queue latency in eu-west-2. Mitigation applied <time datetime="09:41Z">09:41 UTC</time>.</span></p>
                  <dl class="grid grid-cols-2 gap-2 text-[0.76rem]">
                    <div><dt class="text-[0.64rem] tracking-[0.16em] text-tmm16-mut uppercase">deploy</dt><dd class="mt-0.5 truncate">v4.2.0 &middot; canary 25%</dd></div>
                    <div><dt class="text-[0.64rem] tracking-[0.16em] text-tmm16-mut uppercase">owner</dt><dd class="mt-0.5 truncate">Alex Chen</dd></div>
                  </dl>
                  <a class="group/cta inline-flex min-h-11 w-fit items-center gap-2 text-[0.8rem] text-tmm16-acc hover:underline hover:underline-offset-3" href="#tmm16-title"><span aria-hidden="true" class="transition-transform group-hover/cta:translate-x-0.5">-&gt;</span>Open status page</a>
                </section>
              </div>
            </div>
          </li>
          <li data-tmm16-item class="flex items-stretch max-[52rem]:block">
            <button type="button" id="tmm16-trigger-projects" aria-expanded="false" aria-controls="tmm16-panel-projects" class="inline-flex min-h-11 cursor-pointer items-center px-3.5 text-[0.86rem]/none font-medium tracking-[0.02em] text-tmm16-ink transition-colors before:text-tmm16-mut before:mr-1.5 before:content-['>'] hover:text-tmm16-acc tmm16-open:bg-tmm16-acc/12 tmm16-open:text-tmm16-acc">Projects</button>
            <div class="invisible absolute inset-x-0 top-full z-30 overflow-clip border-b border-tmm16-line bg-tmm16-panel opacity-0 pointer-events-none transition-[opacity,visibility] duration-140 ease-linear before:pointer-events-none before:absolute before:inset-x-0 before:top-0 before:h-1/3 before:bg-linear-to-b before:from-transparent before:via-tmm16-acc/24 before:to-transparent before:opacity-0 tmm16-open:visible tmm16-open:opacity-100 tmm16-open:pointer-events-auto tmm16-open:before:animate-tmm16-scan motion-reduce:transition-none motion-reduce:before:hidden max-[52rem]:static max-[52rem]:hidden max-[52rem]:visible max-[52rem]:opacity-100 max-[52rem]:tmm16-open:block" id="tmm16-panel-projects" aria-labelledby="tmm16-trigger-projects">
              <div class="mx-auto grid w-[min(78rem,calc(100%-2rem))] grid-cols-[repeat(auto-fit,minmax(min(100%,11rem),1fr))] gap-[clamp(0.9rem,2.6vw,2rem)] py-[clamp(1rem,3vw,1.75rem)] min-[66rem]:grid-cols-[repeat(3,minmax(0,1fr))_24rem] max-[52rem]:w-full max-[52rem]:px-4">
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Active</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">northwind-api</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">orbit-web</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">fern-cms</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Environments</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">production</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">staging</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">preview</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Team</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Members</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">API tokens</a></li>
                  </ul>
                </section>
                <section class="@container col-span-full grid min-w-0 content-start gap-2.5 border border-tmm16-line bg-tmm16-acc/5 px-4 py-3.5 min-[66rem]:col-auto">
                  <h3 class="flex items-center justify-between text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-acc uppercase">Recent builds<span class="font-normal tracking-[0.08em] text-tmm16-mut normal-case">updated 12s ago</span></h3>
                  <ul class="grid gap-px">
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">northwind-api</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">1m42s</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">passed</span>
                    </li>
                    <li data-state="down" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">fern-cms</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">0m38s</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">failed</span>
                    </li>
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">orbit-web</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">2m11s</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">passed</span>
                    </li>
                  </ul>
                  <p class="flex min-h-[3.4rem] gap-2.5 rounded-sm bg-tmm16-down/10 px-3 py-2 text-[0.75rem] text-tmm16-ink text-pretty ring-1 ring-tmm16-down/30 ring-inset"><svg class="mt-0.5 size-3.5 flex-none text-tmm16-down" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 3 22 20H2Z" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/><path d="M12 10v4M12 17v.5" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg><span><b class="text-tmm16-down">fern-cms</b> Build failed at test step 4 of 9. Retry queued.</span></p>
                  
                  <a class="group/cta inline-flex min-h-11 w-fit items-center gap-2 text-[0.8rem] text-tmm16-acc hover:underline hover:underline-offset-3" href="#tmm16-title"><span aria-hidden="true" class="transition-transform group-hover/cta:translate-x-0.5">-&gt;</span>Open build log</a>
                </section>
              </div>
            </div>
          </li>
          <li class="flex items-stretch"><a class="inline-flex min-h-11 items-center px-3.5 text-[0.86rem]/none font-medium text-tmm16-ink before:text-tmm16-mut before:mr-1.5 before:content-['>'] hover:text-tmm16-acc" href="#tmm16-title">Docs</a></li>
        </ul>
      </nav>
      <div class="ml-auto flex items-center gap-2.5 max-[52rem]:ml-0">
        <span class="inline-flex h-[22px] items-center gap-1.5 border border-tmm16-acc px-2 text-[0.68rem] tracking-[0.14em] text-tmm16-acc uppercase" aria-hidden="true"><span class="size-1.5 rounded-full bg-tmm16-acc"></span>prod</span>
        <span class="grid size-7 place-items-center bg-tmm16-acc/22 text-[0.68rem]/none font-bold text-tmm16-acc" aria-hidden="true">AC</span>
      </div>
    </div>
  </header>

  <main class="mx-auto w-[min(78rem,calc(100%-2rem))] py-[clamp(1.5rem,5vw,3rem)]">
    <dl class="grid grid-cols-[repeat(auto-fit,minmax(min(100%,12rem),1fr))] border-t border-l border-tmm16-line">
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">requests / min</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">84,210</dd></div>
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">error rate</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">0.04%</dd></div>
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">p95 latency</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">142ms</dd></div>
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">spend today</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">$318.40</dd></div>
    </dl>
  </main>
</section>
@import "tailwindcss";

@theme {
  --color-tmm16-bg: #04070a;
  --color-tmm16-bg: oklch(0.12 0.01 230);
  --color-tmm16-surf: #080d12;
  --color-tmm16-surf: oklch(0.15 0.012 235);
  --color-tmm16-panel: #0a1117;
  --color-tmm16-panel: oklch(0.17 0.014 235);
  --color-tmm16-line: #17242e;
  --color-tmm16-line: oklch(0.25 0.022 235);
  --color-tmm16-ink: #d6f4e3;
  --color-tmm16-ink: oklch(0.94 0.04 160);
  --color-tmm16-mut: #7a998b;
  --color-tmm16-mut: oklch(0.66 0.035 160);
  --color-tmm16-acc: #22c55e;
  --color-tmm16-acc: oklch(0.74 0.19 145);
  --color-tmm16-warn: #f59e0b;
  --color-tmm16-warn: oklch(0.78 0.16 78);
  --color-tmm16-down: #ef4444;
  --color-tmm16-down: oklch(0.64 0.22 27);
  --font-tmm16-mono: 'Fira Code', ui-monospace, monospace;
  --animate-tmm16-scan: tmm16-scan 900ms ease-out;
  --animate-tmm16-pulse: tmm16-pulse 2.4s ease-in-out infinite;
  --animate-tmm16-blink: tmm16-blink 1.1s steps(1, end) infinite;

  @keyframes tmm16-scan {
    0% {
      translate: 0 -100%;
      opacity: 0;
    }

    12% {
      opacity: 0.85;
    }

    100% {
      translate: 0 320%;
      opacity: 0;
    }
  }

  @keyframes tmm16-pulse {
    0%,
        100% {
      opacity: 0.12;
    }

    50% {
      opacity: 0.5;
    }
  }

  @keyframes tmm16-blink {
    50% {
      opacity: 0;
    }
  }
}
/* The open state as ONE variant: focus-within or a scripted [data-open], hover only where hover exists.
   Every panel, chevron and entry utility reads tmm16-open: instead of a repeated selector list. */

@custom-variant tmm16-open {
  &:where([data-tmm16-item]:is(:focus-within, [data-open]) *) {
    @slot;
  }

  @media (hover: hover) {
    &:where([data-tmm16-item]:hover *) {
      @slot;
    }
  }
}
/* Root rule: the full-bleed contract, sized before the browser build compiles. */

.tmm-16 {
  width: 100%;
  min-height: 100svh;
}
/* Theme toggle: the checkbox flips the token set; the OS preference flips the default. */

.tmm-16:has(#tmm16-theme:checked) {
  --color-tmm16-bg: #f2f6f3;
  --color-tmm16-bg: oklch(0.97 0.007 155);
  --color-tmm16-surf: #ffffff;
  --color-tmm16-surf: oklch(1 0 0);
  --color-tmm16-panel: #ffffff;
  --color-tmm16-panel: oklch(1 0 0);
  --color-tmm16-line: #cfdcd4;
  --color-tmm16-line: oklch(0.88 0.02 155);
  --color-tmm16-ink: #0b1a12;
  --color-tmm16-ink: oklch(0.2 0.03 155);
  --color-tmm16-mut: #536a5e;
  --color-tmm16-mut: oklch(0.48 0.03 155);
  --color-tmm16-acc: #15803d;
  --color-tmm16-acc: oklch(0.5 0.15 145);
  --color-tmm16-warn: #b45309;
  --color-tmm16-warn: oklch(0.55 0.15 60);
  --color-tmm16-down: #c81e1e;
  --color-tmm16-down: oklch(0.53 0.2 27);
}

@media (prefers-color-scheme: light) {
  .tmm-16 {
    --color-tmm16-bg: #f2f6f3;
    --color-tmm16-bg: oklch(0.97 0.007 155);
    --color-tmm16-surf: #ffffff;
    --color-tmm16-surf: oklch(1 0 0);
    --color-tmm16-panel: #ffffff;
    --color-tmm16-panel: oklch(1 0 0);
    --color-tmm16-line: #cfdcd4;
    --color-tmm16-line: oklch(0.88 0.02 155);
    --color-tmm16-ink: #0b1a12;
    --color-tmm16-ink: oklch(0.2 0.03 155);
    --color-tmm16-mut: #536a5e;
    --color-tmm16-mut: oklch(0.48 0.03 155);
    --color-tmm16-acc: #15803d;
    --color-tmm16-acc: oklch(0.5 0.15 145);
    --color-tmm16-warn: #b45309;
    --color-tmm16-warn: oklch(0.55 0.15 60);
    --color-tmm16-down: #c81e1e;
    --color-tmm16-down: oklch(0.53 0.2 27);
  }

  .tmm-16:has(#tmm16-theme:checked) {
    --color-tmm16-bg: #04070a;
    --color-tmm16-bg: oklch(0.12 0.01 230);
    --color-tmm16-surf: #080d12;
    --color-tmm16-surf: oklch(0.15 0.012 235);
    --color-tmm16-panel: #0a1117;
    --color-tmm16-panel: oklch(0.17 0.014 235);
    --color-tmm16-line: #17242e;
    --color-tmm16-line: oklch(0.25 0.022 235);
    --color-tmm16-ink: #d6f4e3;
    --color-tmm16-ink: oklch(0.94 0.04 160);
    --color-tmm16-mut: #7a998b;
    --color-tmm16-mut: oklch(0.66 0.035 160);
    --color-tmm16-acc: #22c55e;
    --color-tmm16-acc: oklch(0.74 0.19 145);
    --color-tmm16-warn: #f59e0b;
    --color-tmm16-warn: oklch(0.78 0.16 78);
    --color-tmm16-down: #ef4444;
    --color-tmm16-down: oklch(0.64 0.22 27);
  }
}

Setup — do this once per project

Skip this if your project already runs Tailwind v4.

1Load Tailwind
<script src="https://cdn.jsdelivr.net/npm/@tailwindcss/browser@4"></script>

Compiles in the browser — perfect for a CodePen or a quick test, not for production.

2Add the stylesheetRequiredthe @theme block is what makes the custom utilities exist
@import "tailwindcss";

@theme {
  --color-tmm16-bg: #04070a;
  --color-tmm16-bg: oklch(0.12 0.01 230);
  --color-tmm16-surf: #080d12;
  --color-tmm16-surf: oklch(0.15 0.012 235);
  --color-tmm16-panel: #0a1117;
  --color-tmm16-panel: oklch(0.17 0.014 235);
  --color-tmm16-line: #17242e;
  --color-tmm16-line: oklch(0.25 0.022 235);
  --color-tmm16-ink: #d6f4e3;
  --color-tmm16-ink: oklch(0.94 0.04 160);
  --color-tmm16-mut: #7a998b;
  --color-tmm16-mut: oklch(0.66 0.035 160);
  --color-tmm16-acc: #22c55e;
  --color-tmm16-acc: oklch(0.74 0.19 145);
  --color-tmm16-warn: #f59e0b;
  --color-tmm16-warn: oklch(0.78 0.16 78);
  --color-tmm16-down: #ef4444;
  --color-tmm16-down: oklch(0.64 0.22 27);
  --font-tmm16-mono: 'Fira Code', ui-monospace, monospace;
  --animate-tmm16-scan: tmm16-scan 900ms ease-out;
  --animate-tmm16-pulse: tmm16-pulse 2.4s ease-in-out infinite;
  --animate-tmm16-blink: tmm16-blink 1.1s steps(1, end) infinite;

  @keyframes tmm16-scan {
    0% {
      translate: 0 -100%;
      opacity: 0;
    }

    12% {
      opacity: 0.85;
    }

    100% {
      translate: 0 320%;
      opacity: 0;
    }
  }

  @keyframes tmm16-pulse {
    0%,
        100% {
      opacity: 0.12;
    }

    50% {
      opacity: 0.5;
    }
  }

  @keyframes tmm16-blink {
    50% {
      opacity: 0;
    }
  }
}
/* The open state as ONE variant: focus-within or a scripted [data-open], hover only where hover exists.
   Every panel, chevron and entry utility reads tmm16-open: instead of a repeated selector list. */

@custom-variant tmm16-open {
  &:where([data-tmm16-item]:is(:focus-within, [data-open]) *) {
    @slot;
  }

  @media (hover: hover) {
    &:where([data-tmm16-item]:hover *) {
      @slot;
    }
  }
}
/* Root rule: the full-bleed contract, sized before the browser build compiles. */

.tmm-16 {
  width: 100%;
  min-height: 100svh;
}
/* Theme toggle: the checkbox flips the token set; the OS preference flips the default. */

.tmm-16:has(#tmm16-theme:checked) {
  --color-tmm16-bg: #f2f6f3;
  --color-tmm16-bg: oklch(0.97 0.007 155);
  --color-tmm16-surf: #ffffff;
  --color-tmm16-surf: oklch(1 0 0);
  --color-tmm16-panel: #ffffff;
  --color-tmm16-panel: oklch(1 0 0);
  --color-tmm16-line: #cfdcd4;
  --color-tmm16-line: oklch(0.88 0.02 155);
  --color-tmm16-ink: #0b1a12;
  --color-tmm16-ink: oklch(0.2 0.03 155);
  --color-tmm16-mut: #536a5e;
  --color-tmm16-mut: oklch(0.48 0.03 155);
  --color-tmm16-acc: #15803d;
  --color-tmm16-acc: oklch(0.5 0.15 145);
  --color-tmm16-warn: #b45309;
  --color-tmm16-warn: oklch(0.55 0.15 60);
  --color-tmm16-down: #c81e1e;
  --color-tmm16-down: oklch(0.53 0.2 27);
}

@media (prefers-color-scheme: light) {
  .tmm-16 {
    --color-tmm16-bg: #f2f6f3;
    --color-tmm16-bg: oklch(0.97 0.007 155);
    --color-tmm16-surf: #ffffff;
    --color-tmm16-surf: oklch(1 0 0);
    --color-tmm16-panel: #ffffff;
    --color-tmm16-panel: oklch(1 0 0);
    --color-tmm16-line: #cfdcd4;
    --color-tmm16-line: oklch(0.88 0.02 155);
    --color-tmm16-ink: #0b1a12;
    --color-tmm16-ink: oklch(0.2 0.03 155);
    --color-tmm16-mut: #536a5e;
    --color-tmm16-mut: oklch(0.48 0.03 155);
    --color-tmm16-acc: #15803d;
    --color-tmm16-acc: oklch(0.5 0.15 145);
    --color-tmm16-warn: #b45309;
    --color-tmm16-warn: oklch(0.55 0.15 60);
    --color-tmm16-down: #c81e1e;
    --color-tmm16-down: oklch(0.53 0.2 27);
  }

  .tmm-16:has(#tmm16-theme:checked) {
    --color-tmm16-bg: #04070a;
    --color-tmm16-bg: oklch(0.12 0.01 230);
    --color-tmm16-surf: #080d12;
    --color-tmm16-surf: oklch(0.15 0.012 235);
    --color-tmm16-panel: #0a1117;
    --color-tmm16-panel: oklch(0.17 0.014 235);
    --color-tmm16-line: #17242e;
    --color-tmm16-line: oklch(0.25 0.022 235);
    --color-tmm16-ink: #d6f4e3;
    --color-tmm16-ink: oklch(0.94 0.04 160);
    --color-tmm16-mut: #7a998b;
    --color-tmm16-mut: oklch(0.66 0.035 160);
    --color-tmm16-acc: #22c55e;
    --color-tmm16-acc: oklch(0.74 0.19 145);
    --color-tmm16-warn: #f59e0b;
    --color-tmm16-warn: oklch(0.78 0.16 78);
    --color-tmm16-down: #ef4444;
    --color-tmm16-down: oklch(0.64 0.22 27);
  }
}
3Fonts used by this demooptional — skip if you have your own type stack
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&display=swap">

What changed in the port

Which parts became utilities, which stayed CSS, and why.

  • Three [data-mm-16-state] rule sets became group-data-[state=…]/row: variants; the two @container blocks became @max-[…]: utilities on the cells they hide.
  • Keyframes moved into @theme as --animate-* tokens.
  • UI upgrade: the incident callout uses a warning icon and an inset ring instead of a coloured left border, the rail shows an "updated" timestamp, and the wordmark has a blinking cursor.
  • Bug fix: the original trigger only highlighted on :focus-within, never on hover; the shared variant now covers both. Muted copy raised to 4.5:1 on black.
Paste this into ChatGPT, Claude, Cursor, or any coding assistant. The block below is pre-framed with everything the AI needs to integrate this demo into your project — markup, styles, scoping notes, and the source URL. Hit Copy and paste straight into your chat.
Here's a working CSS demo from CodeFronts. Use it as-is or adapt to your framework. All classes are scoped under a unique prefix so the code won't collide with your existing styles. MIT licensed.
Demo: Tailwind Dashboard Mega Menu with Live Status Panel
Source: https://codefronts.com/navigation/tailwind-css-mega-menus/tailwind-dashboard-mega-menu-live-status-panel/

An operations console where the mega panel doubles as a status board: three columns of tools, and a live rail showing service health, an incident callout and the current deploy. Each health row is a @container child that drops its state label, then its latency, as the rail narrows. A scanline sweeps the panel on open while rows switch on in discrete flickers. Zero JavaScript.
## HTML
```html
<section class="tmm-16 relative w-full min-h-svh bg-tmm16-bg bg-[linear-gradient(color-mix(in_oklab,var(--color-tmm16-acc)_5%,transparent)_1px,transparent_1px)] bg-size-[100%_3px] font-tmm16-mono leading-normal text-tmm16-ink [&_:focus-visible]:outline-2 [&_:focus-visible]:outline-offset-2 [&_:focus-visible]:outline-tmm16-acc" aria-labelledby="tmm16-title">
  <h2 class="sr-only" id="tmm16-title">Basalt Console</h2>

  <div class="absolute top-[7px] right-[clamp(0.75rem,3vw,1.5rem)] z-60">
    <input class="peer absolute inset-0 m-0 size-full cursor-pointer opacity-0" type="checkbox" id="tmm16-theme">
    <label class="grid size-11 cursor-pointer place-items-center rounded-none border border-tmm16-line bg-tmm16-surf text-tmm16-ink peer-focus-visible:outline-2 peer-focus-visible:outline-offset-3 peer-focus-visible:outline-tmm16-acc" for="tmm16-theme">
      <svg class="size-5" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><circle cx="12" cy="12" r="8.5" fill="none" stroke="currentColor" stroke-width="1.6"/><path d="M12 3.5a8.5 8.5 0 0 0 0 17Z" fill="currentColor"/></svg>
      <span class="sr-only">Toggle dark theme</span>
    </label>
  </div>

  <header class="relative z-10 w-full border-y border-tmm16-line bg-tmm16-surf">
    <div class="mx-auto flex min-h-[58px] w-[min(78rem,calc(100%-2rem))] flex-wrap items-stretch gap-x-[clamp(0.5rem,2vw,1.5rem)] pr-15 max-[52rem]:flex-col max-[52rem]:py-2">
      <a class="inline-flex items-center text-[0.92rem]/none font-bold tracking-[-0.02em] text-tmm16-acc" href="#tmm16-title">basalt<span class="text-tmm16-mut">/console</span><span aria-hidden="true" class="ml-0.5 inline-block h-4 w-2 animate-tmm16-blink bg-tmm16-acc motion-reduce:animate-none"></span></a>
      <nav class="flex min-w-0" aria-label="Primary">
        <ul class="flex flex-wrap gap-0.5 max-[52rem]:flex-col">
          <li data-tmm16-item class="flex items-stretch max-[52rem]:block">
            <button type="button" id="tmm16-trigger-services" aria-expanded="false" aria-controls="tmm16-panel-services" class="inline-flex min-h-11 cursor-pointer items-center px-3.5 text-[0.86rem]/none font-medium tracking-[0.02em] text-tmm16-ink transition-colors before:text-tmm16-mut before:mr-1.5 before:content-['>'] hover:text-tmm16-acc tmm16-open:bg-tmm16-acc/12 tmm16-open:text-tmm16-acc">Services</button>
            <div class="invisible absolute inset-x-0 top-full z-30 overflow-clip border-b border-tmm16-line bg-tmm16-panel opacity-0 pointer-events-none transition-[opacity,visibility] duration-140 ease-linear before:pointer-events-none before:absolute before:inset-x-0 before:top-0 before:h-1/3 before:bg-linear-to-b before:from-transparent before:via-tmm16-acc/24 before:to-transparent before:opacity-0 tmm16-open:visible tmm16-open:opacity-100 tmm16-open:pointer-events-auto tmm16-open:before:animate-tmm16-scan motion-reduce:transition-none motion-reduce:before:hidden max-[52rem]:static max-[52rem]:hidden max-[52rem]:visible max-[52rem]:opacity-100 max-[52rem]:tmm16-open:block" id="tmm16-panel-services" aria-labelledby="tmm16-trigger-services">
              <div class="mx-auto grid w-[min(78rem,calc(100%-2rem))] grid-cols-[repeat(auto-fit,minmax(min(100%,11rem),1fr))] gap-[clamp(0.9rem,2.6vw,2rem)] py-[clamp(1rem,3vw,1.75rem)] min-[66rem]:grid-cols-[repeat(3,minmax(0,1fr))_24rem] max-[52rem]:w-full max-[52rem]:px-4">
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Compute</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Edge functions</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Container fleet</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Cron and queues</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-250 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Build pipeline</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Data</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Postgres clusters</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Object storage</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Replication</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Observe</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Traces</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Log search</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Alert rules</a></li>
                  </ul>
                </section>
                <section class="@container col-span-full grid min-w-0 content-start gap-2.5 border border-tmm16-line bg-tmm16-acc/5 px-4 py-3.5 min-[66rem]:col-auto">
                  <h3 class="flex items-center justify-between text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-acc uppercase">Live status<span class="font-normal tracking-[0.08em] text-tmm16-mut normal-case">updated 12s ago</span></h3>
                  <ul class="grid gap-px">
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">api.eu-west-2</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">142ms</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">operational</span>
                    </li>
                    <li data-state="warn" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">queue.workers</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">1204ms</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">degraded</span>
                    </li>
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">pg.primary</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">18ms</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">operational</span>
                    </li>
                  </ul>
                  <p class="flex min-h-[3.4rem] gap-2.5 rounded-sm bg-tmm16-warn/10 px-3 py-2 text-[0.75rem] text-tmm16-ink text-pretty ring-1 ring-tmm16-warn/30 ring-inset"><svg class="mt-0.5 size-3.5 flex-none text-tmm16-warn" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 3 22 20H2Z" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/><path d="M12 10v4M12 17v.5" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg><span><b class="text-tmm16-warn">INC-4471</b> Elevated queue latency in eu-west-2. Mitigation applied <time datetime="09:41Z">09:41 UTC</time>.</span></p>
                  <dl class="grid grid-cols-2 gap-2 text-[0.76rem]">
                    <div><dt class="text-[0.64rem] tracking-[0.16em] text-tmm16-mut uppercase">deploy</dt><dd class="mt-0.5 truncate">v4.2.0 &middot; canary 25%</dd></div>
                    <div><dt class="text-[0.64rem] tracking-[0.16em] text-tmm16-mut uppercase">owner</dt><dd class="mt-0.5 truncate">Alex Chen</dd></div>
                  </dl>
                  <a class="group/cta inline-flex min-h-11 w-fit items-center gap-2 text-[0.8rem] text-tmm16-acc hover:underline hover:underline-offset-3" href="#tmm16-title"><span aria-hidden="true" class="transition-transform group-hover/cta:translate-x-0.5">-&gt;</span>Open status page</a>
                </section>
              </div>
            </div>
          </li>
          <li data-tmm16-item class="flex items-stretch max-[52rem]:block">
            <button type="button" id="tmm16-trigger-projects" aria-expanded="false" aria-controls="tmm16-panel-projects" class="inline-flex min-h-11 cursor-pointer items-center px-3.5 text-[0.86rem]/none font-medium tracking-[0.02em] text-tmm16-ink transition-colors before:text-tmm16-mut before:mr-1.5 before:content-['>'] hover:text-tmm16-acc tmm16-open:bg-tmm16-acc/12 tmm16-open:text-tmm16-acc">Projects</button>
            <div class="invisible absolute inset-x-0 top-full z-30 overflow-clip border-b border-tmm16-line bg-tmm16-panel opacity-0 pointer-events-none transition-[opacity,visibility] duration-140 ease-linear before:pointer-events-none before:absolute before:inset-x-0 before:top-0 before:h-1/3 before:bg-linear-to-b before:from-transparent before:via-tmm16-acc/24 before:to-transparent before:opacity-0 tmm16-open:visible tmm16-open:opacity-100 tmm16-open:pointer-events-auto tmm16-open:before:animate-tmm16-scan motion-reduce:transition-none motion-reduce:before:hidden max-[52rem]:static max-[52rem]:hidden max-[52rem]:visible max-[52rem]:opacity-100 max-[52rem]:tmm16-open:block" id="tmm16-panel-projects" aria-labelledby="tmm16-trigger-projects">
              <div class="mx-auto grid w-[min(78rem,calc(100%-2rem))] grid-cols-[repeat(auto-fit,minmax(min(100%,11rem),1fr))] gap-[clamp(0.9rem,2.6vw,2rem)] py-[clamp(1rem,3vw,1.75rem)] min-[66rem]:grid-cols-[repeat(3,minmax(0,1fr))_24rem] max-[52rem]:w-full max-[52rem]:px-4">
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Active</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">northwind-api</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">orbit-web</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">fern-cms</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Environments</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">production</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">staging</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-180 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">preview</a></li>
                  </ul>
                </section>
                <section class="min-w-0">
                  <h3 class="mb-2 text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-mut uppercase">Team</h3>
                  <ul class="grid gap-px">
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-40 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">Members</a></li>
                    <li class="opacity-0 transition-opacity duration-[1ms] delay-110 tmm16-open:opacity-100 motion-reduce:opacity-100"><a href="#tmm16-title" class="-mx-2 flex min-h-11 min-w-0 items-center px-2 text-[0.86rem] text-tmm16-ink transition-colors hover:bg-tmm16-acc/14 hover:text-tmm16-acc">API tokens</a></li>
                  </ul>
                </section>
                <section class="@container col-span-full grid min-w-0 content-start gap-2.5 border border-tmm16-line bg-tmm16-acc/5 px-4 py-3.5 min-[66rem]:col-auto">
                  <h3 class="flex items-center justify-between text-[0.68rem]/none font-bold tracking-[0.22em] text-tmm16-acc uppercase">Recent builds<span class="font-normal tracking-[0.08em] text-tmm16-mut normal-case">updated 12s ago</span></h3>
                  <ul class="grid gap-px">
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">northwind-api</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">1m42s</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">passed</span>
                    </li>
                    <li data-state="down" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">fern-cms</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">0m38s</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">failed</span>
                    </li>
                    <li data-state="ok" class="group/row grid min-h-[34px] grid-cols-[10px_minmax(0,1fr)_7ch_11ch] items-center gap-2.5 text-[0.78rem] tabular-nums @max-[20rem]:grid-cols-[10px_minmax(4ch,1fr)_7ch] @max-[13rem]:grid-cols-[10px_minmax(4ch,1fr)]">
                      <span aria-hidden="true" class="relative size-2 rounded-full bg-tmm16-acc text-tmm16-acc after:absolute after:-inset-1 after:rounded-full after:border after:border-current after:animate-tmm16-pulse group-data-[state=warn]/row:bg-tmm16-warn group-data-[state=warn]/row:text-tmm16-warn group-data-[state=down]/row:bg-tmm16-down group-data-[state=down]/row:text-tmm16-down motion-reduce:after:animate-none"></span>
                      <span class="truncate">orbit-web</span>
                      <span class="text-right text-tmm16-mut @max-[13rem]:hidden">2m11s</span>
                      <span class="text-right text-[0.68rem] tracking-[0.1em] text-tmm16-mut uppercase group-data-[state=down]/row:text-tmm16-down group-data-[state=warn]/row:text-tmm16-warn @max-[20rem]:hidden">passed</span>
                    </li>
                  </ul>
                  <p class="flex min-h-[3.4rem] gap-2.5 rounded-sm bg-tmm16-down/10 px-3 py-2 text-[0.75rem] text-tmm16-ink text-pretty ring-1 ring-tmm16-down/30 ring-inset"><svg class="mt-0.5 size-3.5 flex-none text-tmm16-down" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 3 22 20H2Z" fill="none" stroke="currentColor" stroke-width="2" stroke-linejoin="round"/><path d="M12 10v4M12 17v.5" stroke="currentColor" stroke-width="2" stroke-linecap="round"/></svg><span><b class="text-tmm16-down">fern-cms</b> Build failed at test step 4 of 9. Retry queued.</span></p>
                  
                  <a class="group/cta inline-flex min-h-11 w-fit items-center gap-2 text-[0.8rem] text-tmm16-acc hover:underline hover:underline-offset-3" href="#tmm16-title"><span aria-hidden="true" class="transition-transform group-hover/cta:translate-x-0.5">-&gt;</span>Open build log</a>
                </section>
              </div>
            </div>
          </li>
          <li class="flex items-stretch"><a class="inline-flex min-h-11 items-center px-3.5 text-[0.86rem]/none font-medium text-tmm16-ink before:text-tmm16-mut before:mr-1.5 before:content-['>'] hover:text-tmm16-acc" href="#tmm16-title">Docs</a></li>
        </ul>
      </nav>
      <div class="ml-auto flex items-center gap-2.5 max-[52rem]:ml-0">
        <span class="inline-flex h-[22px] items-center gap-1.5 border border-tmm16-acc px-2 text-[0.68rem] tracking-[0.14em] text-tmm16-acc uppercase" aria-hidden="true"><span class="size-1.5 rounded-full bg-tmm16-acc"></span>prod</span>
        <span class="grid size-7 place-items-center bg-tmm16-acc/22 text-[0.68rem]/none font-bold text-tmm16-acc" aria-hidden="true">AC</span>
      </div>
    </div>
  </header>

  <main class="mx-auto w-[min(78rem,calc(100%-2rem))] py-[clamp(1.5rem,5vw,3rem)]">
    <dl class="grid grid-cols-[repeat(auto-fit,minmax(min(100%,12rem),1fr))] border-t border-l border-tmm16-line">
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">requests / min</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">84,210</dd></div>
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">error rate</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">0.04%</dd></div>
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">p95 latency</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">142ms</dd></div>
      <div class="grid min-w-0 gap-0.5 border-r border-b border-tmm16-line bg-tmm16-surf px-4 py-3.5"><dt class="text-[0.66rem] tracking-[0.16em] text-tmm16-mut uppercase">spend today</dt><dd class="text-[clamp(1.3rem,3.6vw,1.7rem)]/none font-bold text-tmm16-acc tabular-nums">$318.40</dd></div>
    </dl>
  </main>
</section>
```
## CSS
```css
@import "tailwindcss";

@theme {
  --color-tmm16-bg: #04070a;
  --color-tmm16-bg: oklch(0.12 0.01 230);
  --color-tmm16-surf: #080d12;
  --color-tmm16-surf: oklch(0.15 0.012 235);
  --color-tmm16-panel: #0a1117;
  --color-tmm16-panel: oklch(0.17 0.014 235);
  --color-tmm16-line: #17242e;
  --color-tmm16-line: oklch(0.25 0.022 235);
  --color-tmm16-ink: #d6f4e3;
  --color-tmm16-ink: oklch(0.94 0.04 160);
  --color-tmm16-mut: #7a998b;
  --color-tmm16-mut: oklch(0.66 0.035 160);
  --color-tmm16-acc: #22c55e;
  --color-tmm16-acc: oklch(0.74 0.19 145);
  --color-tmm16-warn: #f59e0b;
  --color-tmm16-warn: oklch(0.78 0.16 78);
  --color-tmm16-down: #ef4444;
  --color-tmm16-down: oklch(0.64 0.22 27);
  --font-tmm16-mono: 'Fira Code', ui-monospace, monospace;
  --animate-tmm16-scan: tmm16-scan 900ms ease-out;
  --animate-tmm16-pulse: tmm16-pulse 2.4s ease-in-out infinite;
  --animate-tmm16-blink: tmm16-blink 1.1s steps(1, end) infinite;

  @keyframes tmm16-scan {
    0% {
      translate: 0 -100%;
      opacity: 0;
    }

    12% {
      opacity: 0.85;
    }

    100% {
      translate: 0 320%;
      opacity: 0;
    }
  }

  @keyframes tmm16-pulse {
    0%,
        100% {
      opacity: 0.12;
    }

    50% {
      opacity: 0.5;
    }
  }

  @keyframes tmm16-blink {
    50% {
      opacity: 0;
    }
  }
}
/* The open state as ONE variant: focus-within or a scripted [data-open], hover only where hover exists.
   Every panel, chevron and entry utility reads tmm16-open: instead of a repeated selector list. */

@custom-variant tmm16-open {
  &:where([data-tmm16-item]:is(:focus-within, [data-open]) *) {
    @slot;
  }

  @media (hover: hover) {
    &:where([data-tmm16-item]:hover *) {
      @slot;
    }
  }
}
/* Root rule: the full-bleed contract, sized before the browser build compiles. */

.tmm-16 {
  width: 100%;
  min-height: 100svh;
}
/* Theme toggle: the checkbox flips the token set; the OS preference flips the default. */

.tmm-16:has(#tmm16-theme:checked) {
  --color-tmm16-bg: #f2f6f3;
  --color-tmm16-bg: oklch(0.97 0.007 155);
  --color-tmm16-surf: #ffffff;
  --color-tmm16-surf: oklch(1 0 0);
  --color-tmm16-panel: #ffffff;
  --color-tmm16-panel: oklch(1 0 0);
  --color-tmm16-line: #cfdcd4;
  --color-tmm16-line: oklch(0.88 0.02 155);
  --color-tmm16-ink: #0b1a12;
  --color-tmm16-ink: oklch(0.2 0.03 155);
  --color-tmm16-mut: #536a5e;
  --color-tmm16-mut: oklch(0.48 0.03 155);
  --color-tmm16-acc: #15803d;
  --color-tmm16-acc: oklch(0.5 0.15 145);
  --color-tmm16-warn: #b45309;
  --color-tmm16-warn: oklch(0.55 0.15 60);
  --color-tmm16-down: #c81e1e;
  --color-tmm16-down: oklch(0.53 0.2 27);
}

@media (prefers-color-scheme: light) {
  .tmm-16 {
    --color-tmm16-bg: #f2f6f3;
    --color-tmm16-bg: oklch(0.97 0.007 155);
    --color-tmm16-surf: #ffffff;
    --color-tmm16-surf: oklch(1 0 0);
    --color-tmm16-panel: #ffffff;
    --color-tmm16-panel: oklch(1 0 0);
    --color-tmm16-line: #cfdcd4;
    --color-tmm16-line: oklch(0.88 0.02 155);
    --color-tmm16-ink: #0b1a12;
    --color-tmm16-ink: oklch(0.2 0.03 155);
    --color-tmm16-mut: #536a5e;
    --color-tmm16-mut: oklch(0.48 0.03 155);
    --color-tmm16-acc: #15803d;
    --color-tmm16-acc: oklch(0.5 0.15 145);
    --color-tmm16-warn: #b45309;
    --color-tmm16-warn: oklch(0.55 0.15 60);
    --color-tmm16-down: #c81e1e;
    --color-tmm16-down: oklch(0.53 0.2 27);
  }

  .tmm-16:has(#tmm16-theme:checked) {
    --color-tmm16-bg: #04070a;
    --color-tmm16-bg: oklch(0.12 0.01 230);
    --color-tmm16-surf: #080d12;
    --color-tmm16-surf: oklch(0.15 0.012 235);
    --color-tmm16-panel: #0a1117;
    --color-tmm16-panel: oklch(0.17 0.014 235);
    --color-tmm16-line: #17242e;
    --color-tmm16-line: oklch(0.25 0.022 235);
    --color-tmm16-ink: #d6f4e3;
    --color-tmm16-ink: oklch(0.94 0.04 160);
    --color-tmm16-mut: #7a998b;
    --color-tmm16-mut: oklch(0.66 0.035 160);
    --color-tmm16-acc: #22c55e;
    --color-tmm16-acc: oklch(0.74 0.19 145);
    --color-tmm16-warn: #f59e0b;
    --color-tmm16-warn: oklch(0.78 0.16 78);
    --color-tmm16-down: #ef4444;
    --color-tmm16-down: oklch(0.64 0.22 27);
  }
}
```

How this works

State as data, colour as variant. The CSS original had three attribute selectors per element. Here the row carries data-state and becomes a named group; the dot, ring and label each read group-data-[state=…]/row:. A real dashboard sets that one attribute from its API.

Priority-based collapse. The rail is 24rem at desktop but full-width in the stacked layout and narrower still at mid widths. Container queries drop the status word first, then the number, so the service name and coloured dot always survive.

Motion lives in the theme. --animate-tmm16-scan, -pulse and -blink are @theme tokens with their @keyframes, so they are emitted only because a utility uses them.

Make it yours

  • Feed it live: set data-state and the numbers from your status API; no class changes are needed.
  • Drop the scanline: delete the before: utilities on the panel.
  • Light ops theme: the toggle swaps every token, including warn/down shades tuned for white.

Gotchas — read before shipping

  • Status colour must never be the only signal — the state word is kept until the rail is very narrow, and the incident text repeats it.
  • after:animate-… pulses run forever; they stop under motion-reduce:.
  • overflow-clip on the panel contains the scanline without making the panel a scroll container.

Browser support

ChromeSafariFirefoxEdge
111+16.4+128+111+

Tailwind v4 floor (cascade layers, @property, color-mix()). Container queries: Chrome 105+, Safari 16+, Firefox 110+.

Techniques used in this demo

Utilitiesfirst-class utility or variant

Plain CSSno Tailwind surface

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