.flash-card[data-v-c09f13a0]{perspective:1200px;cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;width:100%;height:100%}.flash-card[data-v-c09f13a0]:focus-visible{outline-offset:4px;border-radius:1rem;outline:3px solid #4f46e5}.flash-card__inner[data-v-c09f13a0]{width:100%;height:100%;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.22,1,.36,1);position:relative}.flash-card__inner.is-flipped[data-v-c09f13a0]{transform:rotateY(180deg)}.flash-card__face[data-v-c09f13a0]{backface-visibility:hidden;background:#fff;border:1px solid #e5e7eb;border-radius:1rem;position:absolute;inset:0;overflow:hidden;box-shadow:0 10px 30px -12px #00000040}.flash-card__back[data-v-c09f13a0]{transform:rotateY(180deg)}.flash-card__hint[data-v-c09f13a0]{inset-inline:0;text-align:center;color:#fff;background:linear-gradient(#0000,#0000008c);padding:2rem 0 .75rem;font-size:.75rem;position:absolute;bottom:0}@media (prefers-reduced-motion:reduce){.flash-card__inner[data-v-c09f13a0]{transition-duration:.01ms}}.screen[data-v-f0414749]{height:100dvh;padding:.75rem 1rem calc(.75rem + env(safe-area-inset-bottom));flex-direction:column;justify-content:center;align-items:center;gap:.75rem;display:flex;overflow:hidden}.card-area[data-v-f0414749]{touch-action:pan-y;flex:1;justify-content:center;align-items:center;width:100%;min-height:0;display:flex}.card-frame[data-v-f0414749]{aspect-ratio:3/4;max-width:100%;height:100%}.controls[data-v-f0414749]{flex-shrink:0;justify-content:center;align-items:center;gap:.75rem;width:100%;max-width:24rem;display:flex}.nav-btn[data-v-f0414749]{color:#374151;-webkit-tap-highlight-color:transparent;background:#fff;border:1px solid #d1d5db;border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;width:3.5rem;height:3.5rem;transition:transform .15s,background-color .15s;display:flex}.nav-btn[data-v-f0414749]:active{background:#f3f4f6;transform:scale(.92)}.flip-btn[data-v-f0414749]{color:#fff;-webkit-tap-highlight-color:transparent;background:#4f46e5;border-radius:9999px;flex:1;justify-content:center;align-items:center;height:3.5rem;padding-inline:1.5rem;font-weight:500;transition:transform .15s;display:flex}.flip-btn[data-v-f0414749]:active{transform:scale(.95)}.card-enter-active[data-v-f0414749],.card-leave-active[data-v-f0414749]{transition:opacity .18s,transform .18s}.card-enter-from[data-v-f0414749]{opacity:0;transform:translate(12px)}.card-leave-to[data-v-f0414749]{opacity:0;transform:translate(-12px)}@media (prefers-reduced-motion:reduce){.card-enter-active[data-v-f0414749],.card-leave-active[data-v-f0414749]{transition-duration:.01ms}}