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#34538c14}.flashcard-inner.is-flipped{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{backface-visibility:hidden;box-sizing:border-box;text-align:center;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:24px;display:flex;position:absolute;inset:0}.flashcard-back{background:linear-gradient(135deg,#f5f3ff,#eef2ff);transform:rotateY(180deg)}.flashcard-badge{letter-spacing:.5px;border-radius:20px;margin-bottom:14px;padding:4px 12px;font-size:11px;font-weight:700}.badge-amber{color:#92400e;background:#fef3c7}.badge-indigo{color:#3730a3;background:#e0e7ff}.badge-emerald{color:#065f46;background:#d1fae5}.badge-solid-indigo{color:#fff;background:#6c55d9}.flashcard-word-title{color:#19284b;letter-spacing:-.5px;margin:8px 0;font-size:32px;font-weight:800}.flashcard-meaning-title{color:#312e81;margin:6px 0;font-size:22px;font-weight:700}.flashcard-hint{color:#8994a8;margin-top:14px;font-size:12px}.flashcard-image{object-fit:cover;border:1px solid #fff;border-radius:12px;width:150px;height:110px;margin-bottom:12px;box-shadow:0 4px 12px #0000000f}.flashcard-small-image{object-fit:cover;border-radius:8px;width:64px;height:64px;margin-bottom:10px;box-shadow:0 2px 8px #0000000d}.flashcard-audio-btn{cursor:pointer;color:#6c55d9;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:6px;transition:background .2s;display:inline-flex}.flashcard-audio-btn:hover{background:#6c55d91a}.flashcard-action-buttons{gap:12px;margin-bottom:16px;display:flex}.flashcard-btn-wrong,.flashcard-btn-correct{cursor:pointer;border:1px solid;border-radius:16px;flex:1;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:14px;font-weight:700;transition:all 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#34538c14}.flashcard-complete-trophy{color:#d97706;background:#fef3c7;border-radius:50%;margin-bottom:16px;padding:18px;display:inline-flex}.flashcard-complete-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0 24px;display:grid}.flashcard-result-box{border:1px solid;border-radius:16px;padding:16px}.box-correct{color:#059669;background:#ecfdf5;border-color:#a7f3d0}.box-wrong{color:#dc2626;background:#fef2f2;border-color:#fecaca}.flashcard-restart-btn{color:#fff;cursor:pointer;background:#6c55d9;border:none;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px;font-size:15px;font-weight:700;transition:background .2s,transform .2s;display:inline-flex}.flashcard-restart-btn:hover{background:#5740c2;transform:translateY(-2px)}.kdrama-lesson{--lesson-ink:#202436;--lesson-muted:#697086;--lesson-line:#e7e8ef;--lesson-accent:#6558d3;--lesson-accent-dark:#4b40b2;--lesson-soft:#f4f2ff;max-width:980px;color:var(--lesson-ink);margin:0 auto;padding:clamp(18px,4vw,42px);font-family:inherit;line-height:1.6}.kdrama-lesson,.kdrama-lesson *{box-sizing:border-box}.kdrama-lesson__hero{background:linear-gradient(135deg,#fbfaff 0%,#f1efff 100%);border:1px solid #e6e2ff;border-radius:24px;padding:clamp(24px,5vw,44px)}.kdrama-lesson__eyebrow{color:var(--lesson-accent-dark);letter-spacing:.12em;margin-bottom:10px;font-size:.76rem;font-weight:800;display:inline-block}.kdrama-lesson__hero h1{color:var(--lesson-ink);letter-spacing:-.045em;overflow-wrap:anywhere;margin:0;font-size:clamp(1.8rem,4vw,2.55rem);font-weight:850;line-height:1.25}.kdrama-lesson__subtitle{color:#555b70;max-width:680px;margin:14px 0 0;font-size:1rem}.kdrama-lesson__tip{color:#484364;background:#ffffffc7;border:1px solid #e5e0ff;border-radius:14px;align-items:flex-start;gap:10px;margin-top:24px;padding:13px 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54px)}.kdrama-phrase__speak{margin-left:auto}}@media (prefers-reduced-motion:reduce){.kdrama-phrase,.kdrama-phrase__speak{transition:none}.kdrama-phrase:hover,.kdrama-phrase__speak:active{transform:none}}.earth-continents{transform-box:view-box;transform-origin:100px 100px;animation:18s linear infinite earth-spin}@keyframes earth-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.earth-continents{animation:none}}