/* Practice › Word clusters (features/practice/clusters/view.js). Words are set as type in Newsreader; knowledge is ink
   with a second channel of shape, as in Explore: known ink, shaky grey, not known boxed, not seen pale italic, today
   accent. Movement comes from the kit (flip, countTo, Field); nothing here animates at rest. */
.cl-types { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.cl-types .chip { text-decoration: none; }
.cl-due { align-self: flex-start; }
.cl-list { display: flex; flex-direction: column; }
.cl-row { display: grid; gap: var(--s-2); padding: var(--s-3) 0; min-height: var(--tap); border-bottom: 1px solid var(--hairline); color: var(--ink); text-decoration: none; }
.cl-row-top { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-3); }
.cl-row .row-title[lang="de"] { font-family: var(--font-display); font-size: 19px; }
.cl-mini { width: 100%; }

.cl-count { display: flex; align-items: baseline; gap: var(--s-2); }
.cl-legend { display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-3); }
.cl-note { color: var(--ink-2); }

/* a word as type, in its state */
.cl-w { font-family: var(--font-display); color: var(--ink); white-space: nowrap; border-radius: 3px; display: inline-block; }
.cl-w.is-shaky { color: var(--ink-3); }
.cl-w.is-unknown { color: var(--ink-2); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ink) 50%, transparent); padding: 0 4px; }
.cl-w.is-unseen { color: var(--ink-3); font-style: italic; }
.cl-w.is-today { color: var(--accent); }
.cl-art { font-size: 0.72em; color: var(--ink-3); }
.cl-legend .cl-w { font-family: var(--font-ui); font-size: var(--fs-caption); }

.cl-block { font-size: 19px; line-height: 2; margin: 0; }

/* a family as a tree: the head on top, one branch per prefix, the words still to learn in a tray below */
.cl-family { display: flex; flex-direction: column; gap: var(--s-3); }
.cl-head { margin: 0; font-size: 26px; }
.cl-branches { margin-inline-start: 10px; padding-inline-start: 16px; border-inline-start: 1px solid var(--hairline-strong); display: flex; flex-direction: column; gap: var(--s-2); }
.cl-branch { position: relative; display: flex; gap: var(--s-3); align-items: baseline; min-height: 28px; }
.cl-branch::before { content: ''; position: absolute; inset-inline-start: -16px; top: 0.85em; width: 10px; border-top: 1px solid var(--hairline-strong); }
.cl-pre { font: 500 12px/1 var(--font-mono); color: var(--ink-3); min-width: 48px; }
.cl-leaves { display: flex; flex-wrap: wrap; gap: 2px var(--s-3); font-size: 18px; line-height: 1.6; }
.cl-tray-label { margin: var(--s-2) 0 0; }
.cl-tray { display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-3); padding-top: var(--s-3); border-top: 1px dashed var(--hairline-strong); font-size: 17px; line-height: 1.7; min-height: 32px; }

/* opposites: a known pair sits together, a pair still to learn is held apart */
.cl-pairs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.cl-pair { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; min-height: 40px; border-bottom: 1px solid var(--hairline); font-size: 18px; }
.cl-pair > .cl-w:first-child { justify-self: end; }
.cl-pair > .cl-w:last-child { justify-self: start; }
.cl-link { display: block; width: 44px; margin: 0 8px; border-top: 1px dashed var(--hairline-strong); transform-origin: center; }
.cl-pair.is-snapped .cl-link { width: 14px; margin: 0 6px; border-top: 1px solid var(--ink-3); }
/* a pair or word that just landed after a round: a soft accent plate that fades over 1.3 s (motion.earned.pair-snap) */
.cl-pair, .cl-w { position: relative; }
.cl-pair.is-landing::before, .cl-w.is-landing::before { content: ""; position: absolute; inset: 4px -6px; z-index: -1; border-radius: 4px;
  background: color-mix(in oklab, var(--accent) 26%, var(--canvas)); animation: cl-glow 1300ms var(--ease-out) both; }
@keyframes cl-glow { from { opacity: 1; } to { opacity: 0; } }
@media (forced-colors: active) { .cl-pair.is-landing::before, .cl-w.is-landing::before { display: none; } }

/* prepositions */
.cl-preps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.cl-prep { padding: var(--s-3) 0; border-bottom: 1px solid var(--hairline); }
.cl-prep-head { display: flex; align-items: baseline; gap: var(--s-3); margin: 0 0 var(--s-1); font-size: 20px; }
.cl-prep-note { margin: 0 0 var(--s-2); color: var(--ink-2); max-width: var(--measure); }
.cl-prep-ex { margin: 0; font-family: var(--font-display); font-size: 17px; }

.cl-dock { display: flex; gap: var(--s-2); }
.cl-dock .btn { flex: 1 1 0; }
.cl-say-extra { display: flex; flex-direction: column; gap: var(--s-2); margin-top: var(--s-2); }

@media (forced-colors: active) {
  .cl-w.is-unknown { outline: 1px solid CanvasText; box-shadow: none; }
  .cl-w.is-today { color: Highlight; }
}
.cl-eyebrow { margin: 0 0 calc(-1 * var(--s-2)); }
.cl-empty { margin: 0; }

/* the cluster page: the family's head word is the h1, so the tree starts at its branches */
.cl-page .cl-head { display: none; }
.cl-first { display: grid; gap: var(--s-1); }
.cl-first .label, .cl-all { margin: var(--s-3) 0 0; }
.cl-map { align-self: flex-start; padding-inline-start: 0; }
.cl-done-data { display: grid; gap: var(--s-5); }
.cl-done-words { display: grid; gap: var(--s-2); }
.cl-done-all { display: grid; gap: var(--s-2); }
.cl-done-field { width: 100%; }
.cl-count-line { font: 600 17px/1.3 var(--font-ui); letter-spacing: -0.01em; color: var(--ink); }

.cl-links { display: flex; flex-wrap: wrap; gap: 0 var(--s-2); }