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Hamburger Morph

Three-line hamburger button spring-morphs into a glowing teal X on click; button border gains teal glow when open. Auto-cycles as demo.

csslight complexitysubtle motionclick

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When to use it

Nav bars, sidebars, mobile menus — any context needing a tactile open/close toggle with clear visual state change.

When not to

Production use without removing the auto-cycle loop; layouts where the teal accent conflicts with brand colors.

Working with an AI agent

Every component ships agent-ready metadata. An example instruction for this one:

Change accent color to #00c896 (update --accent-iris and --border-glow), increase button size to 100px, slow spring duration to 400ms (--dur-base). Theme: dark tokens live in :root, the light variant in :root[data-theme="light"]; ?theme=light or a {type:'forever:theme'} postMessage switches at runtime.

Safe to edit

  • accent color (--accent-iris)
  • button size (width/height 84px)
  • spring easing (--ease-spring)
  • animation duration (--dur-base: 280ms)
  • line dimensions (width: 36px, height: 3px)
  • idle demo cadence (DEMO_EVERY=3500 ms, OPEN_AT=300 / CLOSE_AT=2000)
  • theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

  • aria-pressed attribute update in set()
  • visibilitychange stop/start
  • IIFE wrapper
  • idle demo clock (setInterval tick() + demo/idle takeover on real click)
  • theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

  • Idle demo cycle runs by default (real input takes over, resumes after a few idle seconds) — remove the demo block for purely on-demand interaction
  • Light re-theme via the [data-theme=light] token block; catalog bg/accent describe the dark default

hamburgernavigationtogglemorphmenumicrointeractionui-control

More Navigation components

  • Magnify DockmacOS-style frosted-glass dock of six gradient tiles that scale up and lift toward the cursor; idle auto-sweep keeps it animated when untouched.
  • Gooey Tab BarPill-shaped tab bar with a vermillion blob that slides between tabs using a spring easing and SVG goo filter for liquid merge effect on dark surface.
  • Radial Fan MenuA core button rotates to an X and fans five glowing stone-toned icon petals outward in a staggered spring arc; auto-cycles open/close as a demo.
  • Slide-in DrawerHamburger icon morphs to an X while a side panel slides in over a dark scrim, revealing four nav items with staggered fade-in animations.
  • Underline FollowA glowing emerald-to-tan gradient underline slides and resizes to follow hovered nav links; wanders idly across links when unhovered.
  • Sliding PillA 3-segment Day/Week/Month toggle where a glowing translucent pill slides between options with a spring bounce on a dark rounded bar.