/* ==========================================================================
   Landingpage Learning Agent – Vorführungen (agents/knowlib/landing-view.php)
   Nur Variablen aus tokens.css und landing.css, Klassenpräfix lpk-.
   Szenen: public/assets/js/landing/knowlib.js
   ========================================================================== */

.lpk-hero-win .lp-win-body { min-height: 470px; }
.lpk-stage-win .lp-win-body { min-height: 380px; }

/* ---------- Mini-Chat ---------- */
.lpk-chat { display: flex; flex-direction: column; gap: 8px; }
.lpk-msg { display: flex; gap: 8px; align-items: flex-end; transition: opacity .35s ease, transform .35s ease; }
.lpk-msg p { margin: 0; padding: 8px 12px; font-size: var(--fs-sm); line-height: 1.45; max-width: 86%; }
.lpk-msg.is-user { justify-content: flex-end; }
.lpk-msg.is-user p { border-radius: 14px 14px 4px 14px; background: var(--lp-a); color: var(--lp-on-a); }
.lpk-msg.is-alex p, .lpk-answer { border-radius: 14px 14px 14px 4px; background: var(--surface-2); color: var(--text); border: 1px solid var(--border); min-height: 1.45em; }
.lpk-answer { padding: 8px 12px; max-width: 88%; }
.lpk-answer p { padding: 0; border: 0; background: none; max-width: none; }
.lpk-av { border-radius: 50%; flex: none; box-shadow: 0 0 0 2px var(--lp-a-line); }
.lpk-msg.is-off { opacity: 0; transform: translateY(6px); }

/* ---------- Bausteine ---------- */
.lpk-chip { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--text-2); font-size: 11px; font-weight: 600; white-space: nowrap; }
.lpk-chip.is-warn { background: var(--c-warning-soft); color: var(--c-warning); }
.lpk-ring { --v: 0; position: relative; display: inline-flex; width: 38px; height: 38px; flex: none; }
.lpk-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.lpk-ring circle { fill: none; stroke: var(--surface-2); stroke-width: 3.6; }
.lpk-ring circle.is-fg { stroke: var(--lp-a); stroke-linecap: round; stroke-dasharray: calc(var(--v) * 1) 100; transition: stroke-dasharray .8s ease; }
.lpk-ring b { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; font-variant-numeric: tabular-nums; color: var(--text); }
.lpk-ring.is-big { width: 64px; height: 64px; }
.lpk-ring.is-big b { font-size: 18px; }
.lpk-scene-k { display: flex; align-items: center; gap: 6px; margin: 0 0 10px; font-size: var(--fs-xs); font-weight: 650; color: var(--lp-a); }
.lpk-hint { display: flex; align-items: center; gap: 6px; margin: 12px 0 0; font-size: var(--fs-xs); color: var(--text-2); }
.lpk-hint .icon { color: var(--lp-a); }
.lpk-btnrow { display: flex; justify-content: flex-end; }
.lpk-btnrow .lp-pill.is-pressed { transform: scale(.94); }
.lpk-ref { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: 11px; }

/* ---------- Lernpfad ---------- */
.lpk-pathcard { margin-top: 14px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--lp-a-line); background: var(--surface); box-shadow: 0 0 0 4px color-mix(in oklab, var(--lp-a) 10%, transparent); transition: opacity .4s ease, transform .4s ease; }
.lpk-pathcard.is-off { opacity: 0; transform: translateY(8px); }
.lpk-pathhead { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.lpk-pathhead small { display: inline-flex; align-items: center; gap: 6px; color: var(--lp-a); font-size: var(--fs-xs); font-weight: 650; }
.lpk-path { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.lpk-mod { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto auto; gap: 8px; align-items: center; padding: 6px 8px; border-radius: 10px; background: var(--surface-2); font-size: var(--fs-sm); transition: opacity .35s ease, transform .35s ease; }
.lpk-mod b { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lpk-num { display: inline-flex; width: 22px; height: 22px; align-items: center; justify-content: center; border-radius: 50%; border: 2px solid var(--lp-a); color: var(--lp-a); font-size: 11px; font-weight: 700; background: var(--surface); }
.lpk-mod.is-done .lpk-num { background: var(--c-success); border-color: var(--c-success); color: var(--surface); }
.lpk-mod.is-done b { color: var(--text-2); }
.lpk-mod.is-off { opacity: 0; transform: translateX(-6px); }
[data-lp-stage] .lpk-s1 .lpk-mod { opacity: 0; transform: translateX(-6px); transition: opacity .35s ease calc(var(--d) * 110ms), transform .35s ease calc(var(--d) * 110ms); }
[data-lp-stage][data-step="1"] .lpk-s1 .lpk-mod { opacity: 1; transform: none; }

/* ---------- Video und Kernpunkte ---------- */
.lpk-vid { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; align-items: center; margin-bottom: 12px; }
.lpk-vid b { display: block; font-size: var(--fs-sm); line-height: 1.35; }
.lpk-vid small { color: var(--text-2); font-size: var(--fs-xs); }
.lpk-thumb { position: relative; aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden;
    background: radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--lp-a) 45%, transparent), transparent 60%), radial-gradient(circle at 80% 80%, color-mix(in oklab, var(--c-accent) 45%, transparent), transparent 60%), var(--surface-2); }
.lpk-thumb.is-b { background: radial-gradient(circle at 70% 30%, color-mix(in oklab, var(--c-warning) 45%, transparent), transparent 60%), radial-gradient(circle at 20% 80%, color-mix(in oklab, var(--lp-a) 40%, transparent), transparent 60%), var(--surface-2); }
.lpk-play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--text); }
.lpk-len { position: absolute; right: 5px; bottom: 5px; padding: 0 5px; border-radius: 4px; background: rgba(0, 0, 0, .75); color: #FFFFFF; font-size: 10px; font-variant-numeric: tabular-nums; }
.lpk-kps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.lpk-kp { display: grid; grid-template-columns: 16px auto minmax(0, 1fr); gap: 8px; align-items: start; padding: 7px 9px; border-radius: 10px; background: var(--surface-2); font-size: var(--fs-sm); line-height: 1.4; transition: background .35s ease, opacity .35s ease; }
.lpk-check { display: inline-flex; width: 16px; height: 16px; margin-top: 2px; align-items: center; justify-content: center; border-radius: 4px; background: var(--lp-a); color: var(--lp-on-a); transition: background .3s ease; }
.lpk-time { padding: 0 6px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--lp-a); font-size: 11px; font-weight: 650; font-variant-numeric: tabular-nums; }
[data-lp-stage] .lpk-s2 .lpk-kp { opacity: 0; transform: translateY(6px); transition: opacity .35s ease calc(var(--d) * 140ms), transform .35s ease calc(var(--d) * 140ms); }
[data-lp-stage][data-step="2"] .lpk-s2 .lpk-kp { opacity: 1; transform: none; }
.lpk-novelty, .lpk-cards, .lpk-brief, .lpk-ask { position: relative; display: flex; flex-direction: column; gap: 10px; }
.lpk-known { display: flex; align-items: center; gap: 6px; margin: 0; padding: 7px 10px; border-radius: 10px; background: var(--lp-a-soft); color: var(--lp-a); font-size: var(--fs-sm); font-weight: 600; transition: opacity .35s ease; }
.lpk-known.is-off { opacity: 0; }
.lpk-novelty.is-on .lpk-kp.is-n { background: var(--c-accent-soft); }
.lpk-novelty.is-on .lpk-kp.is-k { opacity: .5; }
.lpk-novelty.is-on .lpk-kp.is-k .lpk-check { background: var(--border-strong); }
.lpk-adopt.is-done { background: var(--c-success-soft); color: var(--c-success); border-color: transparent; }

/* ---------- Handbuch ---------- */
.lpk-hb { display: flex; flex-direction: column; gap: 8px; }
.lpk-hb-sec { padding: 9px 11px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.lpk-hb-sec b { display: block; font-size: var(--fs-xs); color: var(--text-2); font-weight: 650; }
.lpk-hb-sec p { margin: 3px 0 6px; font-size: var(--fs-sm); color: var(--text); }
[data-lp-stage] .lpk-s3 .lpk-hb-sec { opacity: 0; transform: translateY(6px); transition: opacity .35s ease calc(var(--d) * 150ms), transform .35s ease calc(var(--d) * 150ms); }
[data-lp-stage][data-step="3"] .lpk-s3 .lpk-hb-sec { opacity: 1; transform: none; }
.lpk-refs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; transition: opacity .35s ease; }
.lpk-refs.is-off { opacity: 0; }

/* ---------- Lernkarte und Level ---------- */
.lpk-learn { display: grid; gap: 12px; }
.lpk-flash { padding: 12px 14px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface); }
.lpk-flash small, .lpk-back small { font-size: 10px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--text-3); }
.lpk-flash > p { margin: 4px 0 0; font-weight: 650; font-size: var(--fs-sm); color: var(--text); }
.lpk-back { margin: 10px -14px 0; padding: 10px 14px; border-top: 1px dashed var(--border-strong); background: var(--surface-2); transition: opacity .35s ease; }
.lpk-back p { margin: 4px 0 0; font-size: var(--fs-sm); color: var(--text); }
.lpk-back.is-off { opacity: 0; }
.lpk-rate { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: 10px; }
.lpk-rate span { padding: 6px 4px; border-radius: 8px; text-align: center; font-size: 11px; font-weight: 650; transition: transform .15s ease; }
.lpk-rate .is-1 { background: var(--c-danger-soft); color: var(--c-danger); }
.lpk-rate .is-2 { background: var(--c-warning-soft); color: var(--c-warning); }
.lpk-rate .is-3 { background: var(--c-success-soft); color: var(--c-success); }
.lpk-rate span.is-pressed { transform: scale(.93); }
.lpk-level { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 14px; background: var(--surface-2); }
.lpk-level b { display: block; font-size: var(--fs-sm); }
.lpk-level small { color: var(--text-2); font-size: var(--fs-xs); }
[data-lp-stage] .lpk-s4 .lpk-learn > * { opacity: 0; transform: translateY(8px); transition: opacity .4s ease, transform .4s ease; }
[data-lp-stage] .lpk-s4 .lpk-learn > :nth-child(2) { transition-delay: .2s; }
[data-lp-stage][data-step="4"] .lpk-s4 .lpk-learn > * { opacity: 1; transform: none; }
.lpk-streak { display: inline-flex; align-items: center; gap: 6px; margin: 14px 0 0; padding: 4px 12px; border-radius: 999px; background: var(--lp-a-soft); color: var(--lp-a); font-size: var(--fs-sm); font-weight: 650; }
.lpk-cards-top { display: flex; justify-content: space-between; align-items: center; font-size: var(--fs-sm); font-weight: 650; }
.lpk-next { display: flex; align-items: center; gap: 6px; margin: 0; font-size: var(--fs-xs); color: var(--text-2); }

/* ---------- Briefing ---------- */
.lpk-brief-head { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); }
.lpk-brief-head b { flex: 1 1 auto; }
.lpk-news { padding: 8px 10px; border-radius: 10px; background: var(--surface-2); font-size: var(--fs-sm); }
.lpk-news small { display: block; color: var(--text-2); font-size: var(--fs-xs); }
.lpk-diff { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.lpk-diff > div { padding: 8px 10px; border-radius: 10px; font-size: var(--fs-sm); transition: opacity .35s ease; }
.lpk-diff small { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-2); }
.lpk-diff p { margin: 3px 0 0; color: var(--text); }
.lpk-diff .is-old { background: var(--c-danger-soft); }
.lpk-diff .is-old p { text-decoration: line-through; text-decoration-color: var(--c-danger); }
.lpk-diff .is-new { background: var(--c-success-soft); }
.lpk-brief.is-applied .lpk-diff .is-old { opacity: .45; }
.lpk-apply.is-done { background: var(--c-success-soft); color: var(--c-success); border-color: transparent; }

/* ---------- Raster ---------- */
.lpk-map { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.lpk-map li { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 10px; border: 1px solid var(--border); border-left-width: 4px; font-size: var(--fs-sm); background: var(--surface); }
.lpk-map i { width: 8px; height: 8px; border-radius: 50%; }
.lpk-map .is-ok { border-left-color: var(--c-success); } .lpk-map .is-ok i { background: var(--c-success); }
.lpk-map .is-thin { border-left-color: var(--c-warning); } .lpk-map .is-thin i { background: var(--c-warning); }
.lpk-map .is-gap { border-left-color: var(--c-danger); } .lpk-map .is-gap i { background: var(--c-danger); }
.lpk-langs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.lpk-arrow { display: inline-flex; color: var(--text-3); }
.lpk-feyn { display: flex; align-items: center; gap: 10px; font-size: var(--fs-sm); }

@media (max-width: 640px) {
    .lpk-mod { grid-template-columns: 22px minmax(0, 1fr) auto; }
    .lpk-mod .lpk-chip:last-child { display: none; }
    .lpk-vid { grid-template-columns: 96px minmax(0, 1fr); }
    .lpk-diff { grid-template-columns: minmax(0, 1fr); }
}