/* Preserve the supplied V3 design. Small additions integrate the working practice. */
.youtube-badge{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:25px;font-size:13px;font-weight:700;color:var(--muted)}
.youtube-badge img{width:104px;height:auto}.youtube-device{border-left:1px solid var(--line);padding-left:10px;font-size:12px;font-weight:500}
.youtube-compatible{display:flex;align-items:center;justify-content:center;gap:22px;margin:26px auto 0;padding:22px 26px;background:#fff;border:1px solid var(--line);border-radius:18px;max-width:770px;text-align:left}
.youtube-compatible img{width:135px;height:auto;flex-shrink:0}.youtube-compatible p{margin:0!important;font-size:17px!important;color:var(--ink)!important}
.flags-heading{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin-bottom:23px}.flags-heading .flags-title{padding:0;margin:0}
.flags-band[data-paused=true] .marquee-track,.marquee:hover .marquee-track{animation-play-state:paused}
.is-visible .col-bar{height:var(--h)}
.col{position:relative;isolation:isolate}.col:before{content:'';position:absolute;z-index:-1;top:0;bottom:37px;left:0;right:0;background:repeating-linear-gradient(to top,transparent 0,transparent calc(25% - 1px),#ffffff25 calc(25% - 1px),#ffffff25 25%)}
.chart-note{opacity:.88}
#scene-flashcards-button{display:flex;margin:18px auto 0;min-width:230px}
.scene-save-status{font-size:14px;text-align:center;color:var(--muted);margin-top:9px;min-height:1em}
.flashcards-sheet{width:min(720px,calc(100vw - 28px));max-height:90dvh;overflow:auto}
#scene-flashcards-status{margin:12px 0 20px;font-size:15px;color:var(--muted)}
#scene-flashcards-list{display:grid;gap:14px}
#scene-flashcards-list article,#scene-flashcards-list details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px}
#scene-flashcards-list summary{font-size:15px;line-height:1.5;font-weight:700;min-height:48px;cursor:pointer;overflow-wrap:anywhere;display:flex;align-items:center;gap:8px}
#scene-flashcards-list summary:before{content:'+';font-size:22px;color:var(--green)}
#scene-flashcards-list details[open]>summary:before{content:'−'}
#scene-flashcards-list .scene-flashcard-word,#scene-flashcards-list .scene-flashcard-meaning{font-size:28px;font-weight:800;line-height:1.4;overflow-wrap:anywhere;text-align:center;color:var(--ink);margin:10px 0}
#scene-flashcards-list .scene-flashcard-meaning{color:var(--green-hl)}
#scene-flashcards-list .scene-flashcard-language,#scene-flashcards-list .scene-flashcard-label,#scene-flashcards-list .scene-flashcard-due{font-size:12px;color:var(--muted)}
#scene-flashcards-list .scene-flashcard-language{text-transform:uppercase;letter-spacing:.08em;margin-top:0}
#scene-flashcards-list .scene-flashcard-answer{padding:0;border:0;background:transparent}
#scene-flashcards-list .scene-flashcard-context{border-top:1px solid var(--line);padding-top:8px;margin-top:4px}
#scene-flashcards-list .scene-flashcard-label{margin-bottom:-8px;font-weight:700}
#scene-flashcards-list .scene-flashcard-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
#scene-flashcards-list .scene-flashcard-actions button{flex:1 1 150px}
#scene-flashcards-list .button-primary{background:var(--navy);color:#fff}
.scene-flashcards-notice{font-size:14px;text-align:center;color:var(--green);margin-top:10px}
#scene-flashcards-list .flashcard-word,#scene-flashcards-list .flashcard-meaning{font-size:26px;font-weight:800;line-height:1.4;overflow-wrap:anywhere}
#scene-flashcards-list p{font-size:16px;line-height:1.65;margin:12px 0;overflow-wrap:anywhere}
#scene-flashcards-list button{min-height:48px;padding:12px 16px;border:1px solid var(--line);border-radius:12px;background:var(--soft);font-weight:700;cursor:pointer}
.checkout-status{font-size:14px;max-width:570px;margin-inline:auto}
@media(max-width:640px){
 .youtube-badge{margin-bottom:22px;justify-content:center;font-size:12px;gap:8px}.youtube-device{font-size:11px}.youtube-badge img{width:94px}
 .youtube-compatible{flex-direction:column;gap:16px;padding:22px 20px;text-align:center}.youtube-compatible img{width:134px}
 .flags-heading{gap:10px}.flags-heading .flags-title{font-size:15px;width:100%;text-align:center}
 .practice-stage{aspect-ratio:4/5;min-height:430px}.practice-stage video{object-fit:contain}
 .practice-toolbar{font-size:11px}.practice-footer{gap:12px}
 #scene-flashcards-button{width:100%}.flashcards-sheet{padding:58px 20px 26px}
 .scene-info small{line-height:1.6}
}
@media(prefers-reduced-motion:reduce){.col-bar{height:var(--h)}}

/* Disjoint rows: an idioma never repeats in the row above/below. */
.marquee-track{animation-name:basic-flags;animation-duration:32s}.marquee-reverse .marquee-track{animation-duration:35s}
@keyframes basic-flags{to{transform:translateX(calc(-50% - 5px))}}
.cost-contrast{color:#ac381f;background:#fff0c2;padding:2px 7px;border-radius:6px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.chart-sky .chart-note a{color:inherit;text-decoration:underline;font-weight:700}.chart-sky .col-bar b{white-space:nowrap}
.chart-sky .columns{height:250px}.chart-sky .col{display:grid;grid-template-rows:minmax(0,1fr) 48px;gap:8px;justify-items:center;align-items:end}.chart-sky .col>span{height:48px;text-align:center;padding-bottom:0;width:100%}.chart-sky .col:before{bottom:56px}.chart-sky .col-bar{align-self:end}
@media(prefers-reduced-motion:reduce){.marquee-reverse{display:block}.marquee-track{animation:none;flex-wrap:wrap;width:auto;justify-content:center;padding-inline:12px}.marquee-track [aria-hidden=true]{display:none}}