.vocab-deck{position:relative;min-width:0;perspective:1100px;padding:8px 24px 0 0}.vd-stage{height:450px;position:relative;transform-style:preserve-3d}.vd-card{position:absolute;inset:0 0 auto;height:434px;background:#fff;border:1px solid var(--brand-border);border-radius:18px;box-shadow:0 6px 12px color-mix(in srgb, var(--brand-primary) 4.71%, transparent),0 18px 34px color-mix(in srgb, var(--brand-primary) 7.45%, transparent);transition:transform .75s cubic-bezier(.22,.7,.3,1),box-shadow .75s,opacity .75s;transform-origin:50% 90%;backface-visibility:hidden}.vd-card[data-position="0"]{transform:translate3d(0,0,28px) rotate(-1deg);z-index:3;opacity:1}.vd-card[data-position="1"]{transform:translate3d(10px,14px,-12px) rotate(2deg);z-index:2;opacity:.8;pointer-events:none}.vd-card[data-position="2"]{transform:translate3d(20px,28px,-45px) rotate(5deg);z-index:1;opacity:.6;pointer-events:none}.vd-top{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;border-bottom:1px solid var(--brand-light);border-radius:18px 18px 0 0;background:color-mix(in srgb, var(--brand-light) 45%, white);font-size:12px}.vd-top>span{color:#7a8ba0;font-size:11px}.vd-body{padding:23px 22px}.home-page .vd-card h3{font-size:30px;margin:0 0 7px;font-weight:600;display:flex;flex-wrap:wrap;gap:9px;align-items:center;line-height:1.15;letter-spacing:-.5px}.vd-card .frequency{font-family:Inter,sans-serif;font-size:10px;font-weight:500;letter-spacing:0;background:var(--brand-light);color:var(--brand-accent);padding:6px 9px;border-radius:7px}.vd-meta{font-size:12px;color:#738398;line-height:1.5}.vd-meta>span{padding:0 7px;color:#b4c0cd}.vd-definition{font-size:15px;line-height:1.65;margin:16px 0 18px;color:var(--brand-secondary)}.vd-example{background:var(--brand-light);padding:14px 16px;border-radius:11px}.vd-example small{font-size:11px;color:#75869c}.vd-example p{font-size:14px;line-height:1.6;margin:6px 0 0}.vd-contrast{display:flex;gap:14px;margin-top:17px}.vd-contrast>span{flex:1;padding-left:12px;border-left:2px solid var(--brand-border);font-size:13px;line-height:1.6}.vd-contrast small{display:block;color:#788ba2;font-size:11px}.vd-footnote{display:block;font-size:11px;color:#8594a8;margin-top:17px;line-height:1.6}.vd-reference-heading{display:flex;justify-content:space-between;align-items:center;font-size:14px;margin:23px 0 12px}.vd-reference-heading small{font-size:11px;color:#8292a8}.vd-references{position:relative;display:flex;flex-wrap:wrap;gap:9px}.vd-reference>button{border:1px solid var(--brand-border);border-radius:100px;background:var(--brand-light);color:var(--brand-secondary);padding:9px 11px;font:500 11px Inter,sans-serif;cursor:pointer;transition:background .2s,border-color .2s}.vd-reference>button:hover,.vd-reference>button:focus-visible{background:var(--brand-light);border-color:var(--brand-accent);outline:none}.vd-tip{position:absolute;bottom:calc(100% + 12px);left:0;right:0;background:#fff;border:1px solid var(--brand-border);box-shadow:0 10px 25px color-mix(in srgb, var(--brand-primary) 10.59%, transparent);border-radius:12px;padding:14px 16px;z-index:9;visibility:hidden;opacity:0;translate:0 5px;transition:opacity .2s,translate .2s;font-size:12px;line-height:1.6;color:#677b93;pointer-events:none}.vd-tip>strong{display:flex;justify-content:space-between;font-size:12px;color:var(--brand-secondary);margin-bottom:10px}.vd-tip strong small{font-weight:400;color:#8a99aa;font-size:10px}.vd-tip>span,.vd-tip>small{display:block;font-size:11px}.vd-tip em{font-size:10px;font-style:normal;border-radius:4px;background:var(--brand-light);padding:3px 6px;margin-left:5px}.vd-tip p{margin:9px 0 13px;font-size:12px}.vd-tip b{color:var(--brand-secondary)}.vd-reference:hover .vd-tip,.vd-reference:focus-within .vd-tip,.vd-reference.is-demo .vd-tip,.vd-reference.is-selected .vd-tip{visibility:visible;opacity:1;translate:0 0}.vd-memory{padding:14px 16px;border-radius:12px;background:linear-gradient(125deg,color-mix(in srgb, var(--brand-light) 45%, white),color-mix(in srgb, var(--brand-light) 45%, white));border:1px solid var(--brand-light)}.vd-memory>strong{font-size:14px;font-weight:600}.vd-memory p{font-size:13px;line-height:1.6;margin:10px 0}.vd-memory>small{font-size:11px;color:#6b8099}.vd-readings{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}.vd-readings svg{width:78px;height:58px;fill:color-mix(in srgb, var(--brand-light) 45%, white);stroke:var(--brand-accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.vd-readings>div{display:flex;gap:5px;flex-wrap:wrap}.vd-readings span{padding:7px 8px;border:1px solid var(--brand-border);border-radius:7px;font-size:11px;background:#fff;color:#738aa6;transition:background .25s,color .25s,translate .25s}.vd-readings span.is-active{background:var(--brand-secondary);color:#fff;translate:0 -3px}.vd-cursor{position:absolute;width:23px;height:30px;z-index:12;pointer-events:none;transition:left .55s ease,top .55s ease;filter:drop-shadow(0 1px 2px #0003)}.vd-cursor[hidden]{display:none}.vd-cursor svg{width:100%;height:100%}.vd-controls{display:flex;justify-content:flex-end;gap:7px;position:relative;margin-top:7px}.vd-controls button{display:grid;place-items:center;border:1px solid var(--brand-border);width:32px;height:32px;border-radius:50%;background:#ffffffcf;color:var(--brand-accent);cursor:pointer;transition:background .2s,box-shadow .2s}.vd-controls button:hover,.vd-controls button:focus-visible{background:var(--brand-light);box-shadow:0 2px 8px color-mix(in srgb, var(--brand-primary) 7.06%, transparent);outline:2px solid var(--brand-border);outline-offset:2px}.vd-controls svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.vd-announcement{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:760px){.vocab-deck{padding-right:18px}.vd-stage{height:487px}.vd-card{height:460px}.vd-top{padding:13px 18px}.vd-body{padding:20px 18px}.home-page .vd-card h3{font-size:28px}.vd-definition{font-size:14px;margin:13px 0 15px;line-height:1.65}.vd-example p{font-size:13px}.vd-reference-heading{margin-top:20px}.vd-reference>button{font-size:10px;padding:8px 9px}.vd-memory{padding:13px}.vd-readings svg{width:61px;height:52px}.vd-readings span{font-size:10px;padding:6px}.vd-readings{gap:7px}.vd-meta{font-size:11px}.vd-tip{font-size:11px;padding:12px}.vd-tip p{font-size:11px}.vd-memory p{font-size:12px}}
@media(prefers-reduced-motion:reduce){.vd-card,.vd-cursor,.vd-tip,.vd-readings span{transition:none}.vd-cursor{display:none}}

@media(max-width:360px){.vd-card{height:565px}.vd-stage{height:592px}}

.vd-tip-dismissed .vd-tip{visibility:hidden!important;opacity:0!important}

/* Compact pronunciation previews, static reference chips and native vertical touch scrolling. */
.vd-stage{touch-action:pan-y pinch-zoom}.vd-meta{display:flex;align-items:center;gap:5px}.vd-meta>span{padding:0 3px}.vd-speaker{display:inline-grid;place-items:center;flex-shrink:0;width:25px;height:25px;padding:3px;border:0;border-radius:6px;color:var(--brand-accent);background:var(--brand-light);cursor:default}.vd-speaker svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.vd-speaker:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px}.vd-static-references{margin-top:16px}.vd-static-references>strong{display:block;font-size:12px;font-weight:600;margin-bottom:8px}.vd-static-references .vd-references{gap:6px}.vd-static-chip{border:1px solid var(--brand-border);border-radius:100px;background:var(--brand-light);color:var(--brand-secondary);padding:6px 9px;font:500 10px Inter,sans-serif}
@media(max-width:760px){.vd-card[data-deck-card="0"] .vd-example{padding:10px 12px}.vd-card[data-deck-card="0"] .vd-contrast{margin-top:12px}.vd-static-references{margin-top:12px}.vd-static-chip{font-size:9px;padding:5px 8px}}