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solid rgba(0,0,0,.1);padding:8px 16px;border-radius:10px;font-size:.85rem;font-weight:700;color:var(--text-main);cursor:pointer;align-self:flex-start;margin-left:30px;box-shadow:0 2px 4px #0000000d;transition:all .2s}.retry-btn.svelte-fc1zka:hover{transform:scale(1.05);background-color:#fafafa}.anim-correct.svelte-fc1zka{background-color:var(--success-bg)!important;border-color:var(--success)!important;color:#064e3b!important;animation:svelte-fc1zka-pulse .5s ease-in-out}.anim-wrong.svelte-fc1zka{background-color:var(--error-bg)!important;border-color:var(--error)!important;color:#7f1d1d!important;animation:svelte-fc1zka-shake .5s cubic-bezier(.36,.07,.19,.97) both}@keyframes svelte-fc1zka-shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(2px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}@keyframes svelte-fc1zka-pulse{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.cards-grid.svelte-fc1zka{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;perspective:1000px}.flip-card.svelte-fc1zka{background-color:transparent;height:500px;perspective:1000px;cursor:pointer}.flip-card-inner.svelte-fc1zka{position:relative;width:100%;height:100%;text-align:center;transition:transform .8s cubic-bezier(.175,.885,.32,1.275);transform-style:preserve-3d;box-shadow:var(--shadow-md);border-radius:var(--border-radius)}.flip-card.flipped.svelte-fc1zka .flip-card-inner:where(.svelte-fc1zka){transform:rotateY(180deg)}.flip-front.svelte-fc1zka,.flip-back.svelte-fc1zka{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:var(--border-radius);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px;border:1px solid white}.flip-front.svelte-fc1zka{background:linear-gradient(145deg,#fff,#fef3c7)}.flip-answer.svelte-fc1zka{margin-top:10px;font-size:1rem;color:#fff;text-align:center;font-size:1.1rem}.flip-back.svelte-fc1zka{background:#007670;color:#fff;transform:rotateY(180deg)}.flip-icon.svelte-fc1zka{font-size:3.5rem;margin-bottom:20px;background:#fff;width:90px;height:90px;line-height:90px;border-radius:50%;box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center}.flip-front.svelte-fc1zka .flip-icon:where(.svelte-fc1zka){color:var(--secondary)}.flip-back.svelte-fc1zka .flip-icon:where(.svelte-fc1zka){color:var(--primary-light);font-size:2.5rem}.flip-front.svelte-fc1zka h3:where(.svelte-fc1zka){font-size:1.4rem;color:var(--text-main);margin-bottom:10px;font-weight:700}.flip-back.svelte-fc1zka h3:where(.svelte-fc1zka){font-size:1.4rem;color:#fff;margin-bottom:10px;font-weight:700}.flip-hint.svelte-fc1zka{margin-top:auto;font-size:.8rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1.5px;display:flex;align-items:center;gap:8px}.expert-card.svelte-fc1zka{background:#fff;padding:40px;border-radius:var(--border-radius);box-shadow:var(--shadow-md);margin-bottom:30px;border:1px solid #e2e8f0;position:relative;overflow:hidden}.expert-card.svelte-fc1zka:before{content:"";position:absolute;top:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,var(--secondary),var(--accent))}.table-wrapper.svelte-fc1zka{overflow-x:auto;margin:20px 0;border-radius:12px;border:1px solid #e2e8f0;background:#fff}table.svelte-fc1zka{width:100%;border-collapse:collapse;font-size:.95rem}th.svelte-fc1zka{background:#f8fafc;text-align:left;padding:16px 20px;font-weight:700;color:var(--text-light);text-transform:uppercase;font-size:.8rem;letter-spacing:.5px;border-bottom:2px solid #e2e8f0}td.svelte-fc1zka{padding:16px 20px;border-top:1px solid #f1f5f9;color:var(--text-main)}tr.svelte-fc1zka:last-child td:where(.svelte-fc1zka){border-bottom:none}.logic-box.svelte-fc1zka{background:#f1f5f9;border:2px dashed #cbd5e1;padding:20px;border-radius:12px;margin:20px 0;text-align:center;font-family:monospace;color:#334155;font-weight:600;line-height:1.8}.grid-2-cols.svelte-fc1zka{display:grid;grid-template-columns:1fr;gap:15px}@media(min-width:600px){.grid-2-cols.svelte-fc1zka{grid-template-columns:1fr 1fr}}@media(max-width:768px){.header-content.svelte-fc1zka{flex-direction:column;gap:12px}.nav-tabs.svelte-fc1zka{width:100%;justify-content:space-between;overflow-x:auto}.tab-btn.svelte-fc1zka{padding:8px 16px;white-space:nowrap;font-size:.85rem}.section-header.svelte-fc1zka h2:where(.svelte-fc1zka){font-size:1.8rem}.card-image-container.svelte-fc1zka{min-height:200px}}.score-mobile.svelte-fc1zka{position:fixed;bottom:20px;right:20px;background:#1f2937;color:#fff;padding:12px 24px;border-radius:50px;box-shadow:0 10px 25px #0003;display:flex;align-items:center;gap:10px;z-index:999;font-weight:700;font-family:Outfit,sans-serif;border:2px solid rgba(255,255,255,.1)}@media(min-width:769px){.score-mobile.svelte-fc1zka{display:none}}.card.svelte-fc1zka{border:2px solid #eeeeee!important}.card.svelte-fc1zka:hover{transform:none!important;box-shadow:2px 2px 23px -5px silver;border:2px solid #979da1!important}.show-answer-btn.svelte-fc1zka :where(.svelte-fc1zka){cursor:pointer}.show-answer-btn.svelte-fc1zka{background:linear-gradient(135deg,#4a7357,#267a6a);color:#fff;border:none;padding:.75rem 2rem;border-radius:8px;font-weight:600;font-size:.9rem;letter-spacing:.5px;cursor:pointer;transition:opacity .2s ease;box-shadow:0 4px 15px #43e97b4d;width:200px;margin-top:30px}.show-answer-btn.svelte-fc1zka:hover{opacity:.9}.show-answer-btn.svelte-fc1zka:active{opacity:.8}.lesson-title.svelte-fc1zka{background:linear-gradient(to right,#fff,#f8f5d9 25%,#feffd8 75%,#fff);margin-top:35px;font-size:25px;padding:20px;font-family:Inter;text-align:center;top:83px;z-index:2000000;border:2px solid silver;border-radius:10px}