.vocab-page.section{padding-top:.55rem;padding-bottom:.5rem}.vocab-shell{width:min(36rem,100% - 1.5rem);margin:0 auto 1.5rem}.vocab-title{text-align:center;color:#111827;margin:0 0 .45rem;font-size:1.15rem;font-weight:900}.vocab-progress-row{justify-content:center;align-items:center;gap:.65rem;margin-bottom:.25rem;display:flex}.vocab-count{color:var(--muted);flex:none;font-size:.82rem;font-weight:800}.vocab-dots{flex-wrap:wrap;justify-content:center;gap:.28rem;display:flex}.vocab-dot{background:#0b1f3b2e;border:0;border-radius:999px;width:.5rem;height:.5rem;padding:0}.vocab-dot.is-on{background:#0b1f3b;width:1.65rem}.vocab-track{background:#0b1f3b1f;border-radius:999px;height:.25rem;margin:0 0 .45rem;overflow:hidden}.vocab-track>span{background:#0b1f3b;width:5%;height:100%;display:block}.vocab-toolbar{scrollbar-width:none;flex-wrap:nowrap;align-items:center;gap:.28rem;margin:0 0 .7rem;display:flex;overflow-x:auto}.vocab-toolbar::-webkit-scrollbar{display:none}.vocab-ctrl,.vocab-lang-wrap{color:#475569;min-height:2.5rem;font:inherit;white-space:nowrap;background:#fff;border:1px solid #e5e7eb;border-radius:.75rem;flex:none;padding:.3rem .45rem;font-size:.78rem;font-weight:800}.vocab-ctrl.is-on{color:#0b1f3b;background:#dbeafe;border-color:#2563eb}.vocab-ctrl-play{margin-right:.15rem}.vocab-ctrl-icon,.vocab-ctrl-star{min-width:2.5rem;padding-inline:.35rem}.vocab-lang-wrap{align-items:center;min-width:2.7rem;padding:0;display:inline-flex;position:relative}.vocab-lang-compact{pointer-events:none;justify-content:center;align-items:center;font-size:.72rem;font-weight:800;display:inline-flex;position:absolute;inset:0}.vocab-lang{opacity:0;background:0 0;border:0;width:2.7rem;min-height:2.5rem;padding:0}.vocab-empty{text-align:center;margin:1rem 0;font-weight:700}.vocab-stage{justify-content:center;align-items:center;gap:1.25rem;display:flex;position:relative}.vocab-nav{border:1px solid var(--line);width:2.75rem;height:2.75rem;color:var(--navy);cursor:pointer;background:#fff;border-radius:999px;flex:none;justify-content:center;align-items:center;font-size:1.7rem;line-height:1;display:none;box-shadow:0 6px 16px #1020331a}.vocab-nav:hover,.vocab-nav:focus-visible{background:#f4f7fb}.vocab-deck{aspect-ratio:7/10;touch-action:pan-y pinch-zoom;flex:0 auto;width:min(88%,24rem);max-width:24rem;position:relative;overflow:hidden}.vocab-incoming,.vocab-flip{aspect-ratio:auto;width:100%;max-width:none;height:100%;position:absolute;inset:0}.vocab-incoming{z-index:1;pointer-events:none;opacity:0;border-radius:1.25rem;overflow:hidden;transform:translate(22%);box-shadow:0 12px 28px #1020332e}.vocab-incoming .vocab-speaker{pointer-events:none;justify-content:center;align-items:center;display:inline-flex}.vocab-flip{z-index:2;perspective:1200px;cursor:pointer;background:0 0;border:0;padding:0;transform:translate(0,0)}.vocab-deck.is-dragging .vocab-flip,.vocab-deck.is-animating .vocab-flip{box-shadow:0 18px 36px #10203338}.vocab-deck.is-dragging{user-select:none;cursor:grabbing}.vocab-deck.is-snapping .vocab-flip,.vocab-deck.is-snapping .vocab-incoming,.vocab-deck.is-animating .vocab-flip,.vocab-deck.is-animating .vocab-incoming{transition:transform .32s cubic-bezier(.22,.8,.3,1),opacity .32s cubic-bezier(.22,.8,.3,1)}.vocab-deck.is-snapping .vocab-flip,.vocab-deck.is-snapping .vocab-incoming{transition-duration:.21s}.vocab-deck.is-auto .vocab-flip,.vocab-deck.is-auto .vocab-incoming{transition-duration:.26s}.vocab-flip-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .65s;position:relative}.vocab-flip.is-flipped .vocab-flip-inner{transform:rotateY(180deg)}.vocab-face{-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:1.25rem;position:absolute;inset:0;overflow:hidden;box-shadow:0 12px 28px #1020332e}.vocab-face-back{transform:rotateY(180deg)}.vocab-photo{object-fit:cover;object-position:50% 22%;width:100%;height:100%}.vocab-photo-20{object-position:50% 16%}.vocab-scrim{background:linear-gradient(#0009,#0006);position:absolute;inset:0}.vocab-scrim-back{background:linear-gradient(#0b1f3b9e,#2563eb7a)}.vocab-word{color:#fff;text-align:left;text-shadow:0 2px 14px #0000008c;margin:0;font-size:clamp(1.45rem,6vw,1.85rem);font-weight:800;line-height:1.15;position:absolute;bottom:1.05rem;left:1.1rem;right:4.2rem}.vocab-speakers{pointer-events:none;justify-content:center;align-items:center;gap:.85rem;display:flex;position:absolute;inset:0}.vocab-speaker{pointer-events:auto;color:#fff;background:#ffffff4d;border:0;border-radius:999px;width:5.4rem;height:5.4rem;position:relative;box-shadow:0 0 0 1px #ffffff2e}.vocab-speaker-x3{width:4.7rem;height:4.7rem}.vocab-speaker-sm{width:3rem;height:3rem}.vocab-speaker.is-on{background:#ffffff7a;box-shadow:0 0 0 3px #ffffff8c}.vocab-speaker-glyph{width:1.7rem;height:1.7rem;margin:0 auto;display:block}.vocab-speaker-sm .vocab-speaker-glyph{width:1.1rem;height:1.1rem}.vocab-x3-badge{color:#fff;background:#000;border-radius:.55rem;padding:.08rem .32rem;font-size:.62rem;font-weight:800;position:absolute;bottom:-.15rem;right:-.2rem}.vocab-star{color:#fff;background:#ffffff40;border:1px solid #ffffff2e;border-radius:.9rem;width:3.15rem;height:3.15rem;font-size:1.45rem;position:absolute}.vocab-star.is-on{color:#ffc107}.vocab-star-front{top:.65rem;right:.65rem}.vocab-star-back{background:#00000059;bottom:.65rem;right:.65rem}.vocab-back-body{text-align:left;flex-direction:column;gap:.55rem;padding:1.05rem 1.05rem 4.2rem;display:flex;position:absolute;inset:0}.vocab-back-top{align-items:center;gap:.45rem;display:flex}.vocab-term-chip{color:#111827;background:#ffffffeb;border-radius:.75rem;max-width:100%;min-height:2rem;padding:.25rem .7rem;font-size:.88rem;font-weight:800;display:inline-flex}.vocab-back-speakers{gap:.3rem;margin-left:auto;display:flex}.vocab-meaning{color:#fff;margin:0;font-size:clamp(1.15rem,4.4vw,1.55rem);font-weight:800;line-height:1.2}.vocab-synonyms{flex-wrap:wrap;gap:.35rem;display:flex}.vocab-synonym{color:#1f2937;background:#ffffffe6;border-radius:.65rem;padding:.18rem .5rem;font-size:.75rem;font-weight:700}.vocab-translation{color:#0b1f3b;background:#ffffffeb;border-radius:.9rem;margin:0;padding:.65rem .75rem;font-size:1.05rem;font-weight:900;line-height:1.2}@media (width<=480px){.vocab-page.section{padding-top:.35rem}.vocab-title{margin-bottom:.3rem;font-size:1.05rem}.vocab-ctrl,.vocab-lang-wrap,.vocab-lang{min-height:2.35rem}.vocab-ctrl{padding:.22rem .32rem;font-size:.7rem}.vocab-speaker{width:4.6rem;height:4.6rem}.vocab-speaker-x3{width:4rem;height:4rem}}@media (width>=640px){.vocab-nav{display:inline-flex}.vocab-shell{width:min(42rem,100% - 2rem)}}@media (width>=768px){.vocab-shell{width:min(42rem,100% - 2rem)}.vocab-lang-compact{display:none}.vocab-lang{opacity:1;width:auto;min-width:7.5rem;padding:0 .55rem}.vocab-lang-wrap{min-width:7.5rem}}@media (width>=1024px){.vocab-deck{width:clamp(23.5rem,26vw,24.75rem);max-width:24.75rem}}@media (prefers-reduced-motion:reduce){.vocab-flip-inner,.vocab-deck.is-snapping .vocab-flip,.vocab-deck.is-snapping .vocab-incoming,.vocab-deck.is-animating .vocab-flip,.vocab-deck.is-animating .vocab-incoming{transition-duration:80ms}}