.flashcards-hub{min-height:70vh;padding-bottom:72px}.flashcards-hub-hero{color:#fff;background:linear-gradient(145deg,#0d2e3d,#18586d);padding:54px 0 38px}.flashcards-hub-kicker{color:#d8edf2;border:1px solid #ffffff38;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:900;display:inline-flex}.flashcards-hub-hero h1{margin:16px 0 8px;font-size:clamp(32px,6vw,54px);line-height:1.35}.flashcards-hub-hero>div>p{color:#d8edf2;max-width:780px;margin:0;line-height:2}.flashcards-hub-summary{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;display:grid}.flashcards-hub-summary>div{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff10;border:1px solid #ffffff2b;border-radius:20px;padding:17px 18px}.flashcards-hub-summary span,.flashcards-hub-summary small{color:#cbeaf0;display:block}.flashcards-hub-summary strong{margin:6px 0 4px;font-size:30px;display:block}.flashcards-hub-content{padding-top:32px}.flashcards-hub-heading{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:20px;display:flex}.flashcards-hub-heading span{color:var(--cyan-dark);font-size:13px;font-weight:900}.flashcards-hub-heading h2{color:var(--ink);margin:4px 0 0;font-size:clamp(24px,4vw,34px)}.flashcards-hub-heading p{max-width:480px;color:var(--muted);margin:0;line-height:1.9}.flashcards-deck-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.flashcards-deck-card{border:1px solid var(--line);background:#fff;border-radius:26px;flex-direction:column;min-height:390px;padding:24px;display:flex;box-shadow:0 18px 45px #102f3e12}.flashcards-deck-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.flashcards-deck-top span{color:var(--cyan-dark);font-size:12px;font-weight:900}.flashcards-deck-top>strong{color:#235c6c;background:#edf8fa;border-radius:999px;padding:6px 10px;font-size:12px}.flashcards-deck-card h3{color:var(--ink);margin:18px 0 8px;font-size:clamp(23px,4vw,30px)}.flashcards-deck-card>p{min-height:58px;color:var(--muted);margin:0;line-height:1.9}.flashcards-deck-metrics{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:22px;display:grid}.flashcards-deck-metrics>div{border:1px solid var(--line);text-align:center;border-radius:15px;padding:12px 8px}.flashcards-deck-metrics span{color:var(--muted);font-size:11px;display:block}.flashcards-deck-metrics strong{color:var(--ink);margin-top:4px;font-size:20px;display:block}.flashcards-deck-progress{margin-top:20px}.flashcards-deck-progress-head{color:var(--muted);justify-content:space-between;gap:12px;font-size:12px;display:flex}.flashcards-deck-progress-head strong{color:var(--ink)}.flashcards-deck-progress-track{background:#e5eef1;border-radius:999px;height:8px;margin-top:8px;overflow:hidden}.flashcards-deck-progress-track span{border-radius:inherit;background:linear-gradient(90deg,#2aa8b8,#d5b969);height:100%;transition:width .25s;display:block}.flashcards-deck-action{color:#fff;background:#0f3546;border-radius:14px;justify-content:space-between;align-items:center;min-height:50px;margin-top:auto;padding:0 16px;font-weight:900;text-decoration:none;display:flex}.flashcards-deck-action span{font-size:20px}.flashcards-hub-method{border:1px solid var(--line);background:#f7fbfc;border-radius:20px;grid-template-columns:240px 1fr;align-items:center;gap:22px;margin-top:22px;padding:20px 22px;display:grid}.flashcards-hub-method span{color:var(--muted);font-size:12px;display:block}.flashcards-hub-method strong{color:var(--ink);margin-top:5px;font-size:18px;display:block}.flashcards-hub-method p{color:var(--muted);margin:0;line-height:1.9}@media (max-width:760px){.flashcards-hub-summary{grid-template-columns:1fr 1fr}.flashcards-hub-summary>div:first-child{grid-column:1/-1}.flashcards-hub-heading{flex-direction:column;align-items:flex-start;gap:8px}.flashcards-deck-grid,.flashcards-hub-method{grid-template-columns:1fr}}@media (max-width:520px){.flashcards-hub{padding-bottom:48px}.flashcards-hub-hero{padding:36px 0 28px}.flashcards-hub-summary{grid-template-columns:1fr}.flashcards-hub-summary>div:first-child{grid-column:auto}.flashcards-deck-card{border-radius:22px;min-height:360px;padding:20px}.flashcards-deck-metrics{gap:6px}.flashcards-deck-metrics>div{padding:10px 5px}.flashcards-deck-metrics strong{font-size:18px}}@media (prefers-reduced-motion:reduce){.flashcards-deck-progress-track span{transition:none}}@media (prefers-color-scheme:dark){.flashcards-deck-card{background:#102f3e;border-color:#315665}.flashcards-deck-top>strong{color:#bfe4eb;background:#173e4d}.flashcards-hub-heading h2,.flashcards-deck-card h3,.flashcards-deck-metrics strong,.flashcards-deck-progress-head strong,.flashcards-hub-method strong{color:#f3fbfd}.flashcards-deck-metrics>div{border-color:#315665}.flashcards-deck-progress-track{background:#244554}.flashcards-deck-action{background:#1d687d}.flashcards-hub-method{background:#102f3e;border-color:#315665}}