/* Optional interaction patterns. Include tokens and the core styles first. */
@layer rf.components {
  .rf-sort-list { display: grid; gap: .75rem; list-style: decimal inside; padding: 0; margin: 0; }
  .rf-sort-list > li { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; padding: 1rem; background: var(--rf-surface); border: 1px solid var(--rf-border); border-radius: var(--rf-radius); }
  .rf-sort-list > li > div:first-child { flex: 1 1 12rem; min-inline-size: 0; }
  .rf-sort-list--grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }
  .rf-sort-list--grid > li { align-content: start; }
  .rf-sort-list--nested { margin-block-start: .75rem; flex: 1 1 100%; min-inline-size: 0; }
  [data-rf-item-label] { overflow-wrap: anywhere; }
  [draggable="true"] [data-rf-item-label] { cursor: grab; }
  [data-rf-sort-handle][draggable="true"] { cursor: grab; }
  [data-rf-dragging] { opacity: .55; }
  [data-rf-drop-target] { outline: 2px solid var(--rf-focus); outline-offset: 2px; }
  .rf-kanban { container: rf-board / inline-size; min-inline-size: 0; }
  .rf-kanban__columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
  .rf-kanban__column { min-inline-size: 0; padding: 1rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius); background: var(--rf-subtle); }
  .rf-kanban__column h3 { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin: 0 0 1rem; font-size: .9375rem; }
  .rf-kanban__list { display: grid; gap: .75rem; min-block-size: 3rem; list-style: none; padding: 0; margin: 0; }
  .rf-kanban__list > li { padding: 1rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius-sm); background: var(--rf-surface); box-shadow: var(--rf-shadow); }
  .rf-kanban__list .rf-field { margin-block-start: .75rem; }
  .rf-kanban__list .rf-select { font-size: .8125rem; }
  .rf-kanban__order { margin-block: .75rem; }
  .rf-kanban__column > .rf-help { padding-block: .75rem; }
  .rf-resizable { container: rf-resize / inline-size; min-inline-size: 0; --rf-panel-first: 2fr; --rf-panel-second: 3fr; }
  .rf-resizable__panels { display: grid; grid-template-columns: minmax(0, var(--rf-panel-first, 2fr)) minmax(0, var(--rf-panel-second, 3fr)); gap: 1rem; }
  .rf-resizable__panels > * { min-inline-size: 0; min-block-size: 0; overflow-wrap: anywhere; }
  .rf-resizable__panels[data-rf-panel-enhanced] { grid-template-columns: minmax(0, var(--rf-panel-first)) 2.75rem minmax(0, var(--rf-panel-second)); gap: 0; }
  .rf-resizable__panels > [data-rf-panel-first] { grid-column: 1; grid-row: 1; }
  .rf-resizable__panels > [data-rf-panel-second] { grid-column: 3; grid-row: 1; }
  .rf-resizable__panels[data-rf-panel-axis="y"] { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, var(--rf-panel-first)) minmax(0, var(--rf-panel-second)); block-size: var(--rf-panel-height, 36rem); }
  .rf-resizable__panels[data-rf-panel-axis="y"][data-rf-panel-enhanced] { grid-template-rows: minmax(0, var(--rf-panel-first)) 2.75rem minmax(0, var(--rf-panel-second)); }
  .rf-resizable__panels[data-rf-panel-axis="y"] > [data-rf-panel-second] { grid-column: 1; grid-row: 3; }
  .rf-resizable__panels[data-rf-panel-axis="y"] > :not([data-rf-panel-divider]) { overflow: auto; scroll-padding: 1rem; }
  .rf-resizable__divider { display: flex; align-items: center; justify-content: center; inline-size: 2.75rem; min-block-size: 2.75rem; padding: 0; border: 0; border-radius: var(--rf-radius-sm); background: transparent; color: var(--rf-muted); cursor: col-resize; touch-action: none; }
  .rf-resizable__divider::after { content: ""; inline-size: .1875rem; block-size: 2rem; border-radius: 1rem; background: currentColor; }
  .rf-resizable__divider:hover, .rf-resizable__divider:focus-visible { color: var(--rf-primary); background: var(--rf-subtle); }
  .rf-resizable__panels[data-rf-panel-axis="y"] > .rf-resizable__divider { inline-size: 100%; grid-column: 1; grid-row: 2; cursor: row-resize; }
  .rf-resizable__panels[data-rf-panel-axis="y"] > .rf-resizable__divider::after { inline-size: 2rem; block-size: .1875rem; }
  .rf-resizable__panels[data-rf-resizing] { user-select: none; }
  @media (forced-colors: active) { .rf-resizable__divider { color: CanvasText; } }
  .rf-line-plot { display: block; inline-size: 100%; block-size: auto; margin-block: 1rem; }
  .rf-line-plot polyline { fill: none; stroke: var(--rf-primary); stroke-width: 3; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
  .rf-line-plot .rf-line-target { stroke: var(--rf-text); stroke-dasharray: 6 5; }
  .rf-line-plot line { stroke: var(--rf-border); vector-effect: non-scaling-stroke; }
  .rf-line-plot [data-rf-line-cursor] { stroke: var(--rf-muted); stroke-dasharray: 3 3; }
  .rf-line-plot text { fill: var(--rf-muted); font: 14px var(--rf-font); }
  @container rf-board (max-width: 42rem) { .rf-kanban__columns { grid-template-columns: 1fr; } }
  @container rf-resize (max-width: 36rem) { .rf-resizable__panels:not([data-rf-panel-axis="y"]) { grid-template-columns: minmax(0, 1fr); gap: 1rem; } .rf-resizable__panels:not([data-rf-panel-axis="y"]) > :is([data-rf-panel-first], [data-rf-panel-second]) { grid-column: 1; grid-row: auto; } .rf-resizable__panels:not([data-rf-panel-axis="y"]) > .rf-resizable__divider { display: none; } }
  .rf-chart { margin: 0; min-inline-size: 0; }
  .rf-chart figcaption { font-weight: 650; margin-block-end: 1rem; }
  .rf-chart__bars { display: flex; align-items: end; gap: .75rem; block-size: 12rem; list-style: none; padding: 0; margin: 1.5rem 0; border-block-end: 1px solid var(--rf-border); }
  .rf-chart__bars li { display: grid; flex: 1; grid-template-rows: auto minmax(0, 1fr) auto; align-items: end; justify-items: center; gap: .5rem; block-size: 100%; min-inline-size: 0; color: var(--rf-muted); font-size: .75rem; }
  .rf-chart__bars i { display: block; inline-size: min(100%, 3rem); block-size: var(--rf-bar, 50%); background: var(--rf-primary); border-radius: .35rem .35rem 0 0; }
  .rf-chart details > summary { cursor: pointer; min-block-size: 2.75rem; padding-block: .75rem; font-size: .875rem; }
  .rf-chart__ring { display: grid; grid-template-columns: minmax(0, 12rem) minmax(0, 1fr); gap: 1.5rem; align-items: center; }
  .rf-chart__ring svg { inline-size: 100%; block-size: auto; }
  .rf-chart__track { stroke: var(--rf-border); }
  .rf-chart__value { stroke: var(--rf-primary); }
  .rf-chart__ring text { fill: var(--rf-text); font: 700 1.5rem var(--rf-font); }
  .rf-chart__legend { display: grid; gap: .75rem; list-style: none; padding: 0; }
  .rf-chart__legend li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; }
  .rf-table-toolbar { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem; }
  .rf-table-toolbar .rf-field { flex: 1 1 10rem; }
  .rf-table-toolbar .rf-cluster { flex: 1 1 16rem; }
  .rf-table .rf-check { min-block-size: 1.75rem; }
  .rf-notifications { position: relative; }
  .rf-notifications__panel { inline-size: min(26rem, calc(100% - 2rem)); max-block-size: min(32rem, calc(100dvh - 2rem)); overflow: auto; padding: 1.25rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius); background: var(--rf-surface); color: var(--rf-text); box-shadow: var(--rf-shadow); }
  .rf-notifications__panel:popover-open { display: grid; gap: 1rem; }
  .rf-notifications__list { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
  .rf-notifications__list li { padding: .875rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius-sm); }
  .rf-notifications__list [data-rf-unread] { border-inline-start: 3px solid var(--rf-primary); }
  .rf-notifications__list p { margin: .25rem 0; }
  @media (max-width: 30rem) { .rf-chart__ring { grid-template-columns: 1fr; } .rf-chart__ring svg { max-inline-size: 10rem; margin-inline: auto; } }
  .rf-input-action { display: flex; gap: .5rem; align-items: center; }
  .rf-input-action > input { min-inline-size: 0; flex: 1; }
  .rf-input-action > button { flex-shrink: 0; }
  .rf-input-action [aria-pressed="true"] { background: var(--rf-subtle); color: var(--rf-primary); }
  .rf-count { text-align: end; font-variant-numeric: tabular-nums; }
  .rf-tag-list { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; margin: 0; padding: 0; }
  .rf-tag { display: inline-flex; align-items: center; gap: .25rem; max-inline-size: 100%; padding-inline-start: .75rem; border: 1px solid var(--rf-border); border-radius: 2rem; background: var(--rf-subtle); color: var(--rf-text); font-size: .875rem; }
  .rf-tag > span { overflow-wrap: anywhere; min-inline-size: 0; }
  .rf-tag > button { flex-shrink: 0; min-inline-size: 2rem; min-block-size: 2rem; border: 0; border-radius: 50%; background: transparent; color: var(--rf-muted); font: inherit; cursor: pointer; }
  .rf-tag > button:hover { color: var(--rf-danger); }
  .rf-table [data-rf-sort] { min-block-size: 2rem; padding: .25rem .5rem; font-size: inherit; }
  .rf-launch-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
  .rf-launch-list label { display: flex; align-items: flex-start; gap: .875rem; padding: 1rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius); cursor: pointer; }
  .rf-launch-list input { margin-block-start: .3rem; accent-color: var(--rf-primary); inline-size: 1.125rem; block-size: 1.125rem; flex-shrink: 0; }
  .rf-launch-list strong, .rf-launch-list small { display: block; }
  .rf-launch-list small { margin-block-start: .25rem; color: var(--rf-muted); }
  .rf-launch-list label:has(input:checked) { background: var(--rf-success-bg); border-color: var(--rf-success); }
  .rf-launch-list input:focus-visible { outline: 3px solid var(--rf-focus); outline-offset: 3px; }
  .rf-compare { position: relative; overflow: hidden; border-radius: var(--rf-radius-lg); aspect-ratio: 16 / 10; background: var(--rf-subtle); }
  .rf-compare__before, .rf-compare__after { position: absolute; inset: 0; display: grid; place-content: center; padding: 1rem; text-align: center; }
  .rf-compare img { inline-size: 100%; block-size: 100%; object-fit: cover; }
  .rf-compare__before { background: var(--rf-subtle); color: var(--rf-text); }
  .rf-compare__after { background: var(--rf-primary); color: var(--rf-on-primary); clip-path: inset(0 0 0 var(--rf-compare, 50%)); }
  .rf-compare::after { content: ""; position: absolute; inset-block: 0; inset-inline-start: var(--rf-compare, 50%); border-inline-start: 2px solid var(--rf-text); pointer-events: none; }
  .rf-compare__label { position: absolute; inset-block-start: 1rem; inset-inline-start: 1rem; padding: .25rem .6rem; background: var(--rf-surface); color: var(--rf-text); border-radius: var(--rf-radius-sm); font-size: .75rem; z-index: 1; }
  .rf-compare__label--after { inset-inline-start: auto; inset-inline-end: 1rem; }
  .rf-carousel__track { display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: .25rem; padding: .25rem .25rem 1rem; }
  .rf-carousel__track > * { flex: 0 0 min(85%, 24rem); scroll-snap-align: start; }
  .rf-carousel__controls { display: flex; justify-content: space-between; align-items: center; gap: .75rem; margin-block-start: 1rem; }
  .rf-pattern-art { display: grid; place-items: center; min-block-size: 10rem; background: linear-gradient(145deg, var(--rf-subtle), var(--rf-surface)); border-radius: var(--rf-radius); color: var(--rf-primary); font-size: clamp(2rem, 8vw, 4rem); font-weight: 700; margin-block-end: 1rem; }
  .rf-command { inline-size: min(36rem, calc(100% - 2rem)); }
  .rf-command__list { display: grid; gap: .25rem; max-block-size: 18rem; overflow-y: auto; margin-block: 1rem; }
  .rf-command__list > button { justify-content: space-between; }
  .rf-stepper { display: inline-flex; align-items: center; gap: .5rem; }
  .rf-stepper input { inline-size: 6rem; text-align: center; }
  .rf-segmented { display: flex; flex-wrap: wrap; gap: .25rem; border: 0; padding: .25rem; border-radius: var(--rf-radius); background: var(--rf-subtle); }
  .rf-segmented legend, .rf-rating legend, .rf-chips legend { margin-block-end: .5rem; font-weight: 600; }
  .rf-segmented label, .rf-chips label { position: relative; display: flex; align-items: center; cursor: pointer; }
  .rf-segmented input, .rf-chips input, .rf-rating input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; }
  .rf-segmented span, .rf-chips span { display: block; padding: .7rem 1rem; border: 1px solid transparent; border-radius: var(--rf-radius-sm); color: var(--rf-muted); }
  .rf-segmented input:checked + span, .rf-chips input:checked + span { background: var(--rf-surface); color: var(--rf-primary); border-color: var(--rf-border); box-shadow: var(--rf-shadow); }
  :is(.rf-segmented, .rf-chips, .rf-rating) input:focus-visible + span { outline: 3px solid var(--rf-focus); outline-offset: 2px; }
  .rf-chips { border: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
  .rf-chips span { border-color: var(--rf-border); border-radius: 2rem; }
  .rf-rating { border: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
  .rf-rating label { position: relative; cursor: pointer; }
  .rf-rating span { display: block; padding: .6rem .8rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius-sm); }
  .rf-rating input:checked + span { background: var(--rf-primary); color: var(--rf-on-primary); }
  .rf-timeline { list-style: none; padding: 0; }
  .rf-timeline li { position: relative; border-inline-start: 2px solid var(--rf-border); padding: 0 0 2rem 1.75rem; }
  .rf-timeline li:last-child { padding-block-end: 0; }
  .rf-timeline li::before { content: ""; position: absolute; inset-inline-start: -.45rem; inset-block-start: .4rem; inline-size: .75rem; block-size: .75rem; background: var(--rf-primary); border-radius: 50%; box-shadow: 0 0 0 4px var(--rf-surface); }
  .rf-timeline time { font-size: .8125rem; color: var(--rf-muted); }
  .rf-dock { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; padding: .75rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius-lg); background: var(--rf-surface); box-shadow: var(--rf-shadow); }
  .rf-dock a { display: grid; place-items: center; min-inline-size: 3rem; min-block-size: 3rem; padding: .5rem; border-radius: var(--rf-radius); background: var(--rf-subtle); color: var(--rf-text); text-decoration: none; transition: transform 180ms; }
  .rf-dock a:is(:hover, :focus-visible) { transform: translateY(-.35rem) scale(1.08); background: var(--rf-primary); color: var(--rf-on-primary); }
  .rf-expandable { padding: 0; overflow: hidden; }
  .rf-expandable summary { padding: 1.5rem; cursor: pointer; font-weight: 600; }
  .rf-expandable__content { padding: 0 1.5rem 1.5rem; }
  .rf-image-accordion { display: flex; flex-wrap: wrap; gap: .75rem; }
  .rf-image-accordion details { flex: 1 1 8rem; background: var(--rf-subtle); border: 1px solid var(--rf-border); border-radius: var(--rf-radius); }
  .rf-image-accordion details[open] { flex-grow: 3; }
  .rf-image-accordion summary { padding: 1.5rem; cursor: pointer; font-weight: 600; }
  .rf-image-accordion p { padding-inline: 1.5rem; }
  .rf-card-stack { display: grid; padding: .75rem .75rem 0 0; }
  .rf-card-stack > * { grid-area: 1 / 1; }
  .rf-card-stack::before, .rf-card-stack::after { content: ""; grid-area: 1 / 1; background: var(--rf-subtle); border: 1px solid var(--rf-border); border-radius: var(--rf-radius); transform: translate(.6rem, -.6rem); }
  .rf-card-stack::before { transform: translate(.3rem, -.3rem); z-index: 1; }
  .rf-card-stack > * { z-index: 2; }
  .rf-checklist { list-style: none; padding: 0; display: grid; gap: .25rem; }
  .rf-checklist li { padding: .25rem .75rem; border: 1px solid var(--rf-border); border-radius: var(--rf-radius-sm); }
  .rf-checklist label:has(input:checked) span { text-decoration: line-through; color: var(--rf-muted); }
  [data-rf-step][hidden], [data-rf-command-item][hidden] { display: none; }
  .rf-marquee { overflow: hidden; padding-block: 1rem; }
  .rf-marquee__track { display: flex; inline-size: max-content; animation: rf-marquee 24s linear infinite; }
  .rf-marquee__group { display: flex; flex-shrink: 0; align-items: center; gap: 2rem; padding-inline-end: 2rem; }
  .rf-marquee__group span { border: 1px solid var(--rf-border); border-radius: var(--rf-radius); padding: 1rem 2rem; font-weight: 600; white-space: nowrap; }
  .rf-marquee:is(:hover, :focus-within) .rf-marquee__track, .rf-marquee:has(input:checked) .rf-marquee__track { animation-play-state: paused; }
  @keyframes rf-marquee { to { transform: translateX(-50%); } }
  @media (prefers-reduced-motion: reduce) { .rf-dock a { transition: none; transform: none !important; } .rf-marquee__track { animation: none; } .rf-marquee__group[aria-hidden] { display: none; } .rf-marquee__track, .rf-marquee__group { inline-size: auto; flex-wrap: wrap; } }
}