header[data-v-6a2cfa56]{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:1.5rem 0;position:sticky;top:0;z-index:100}.header-content[data-v-6a2cfa56]{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.logo-section[data-v-6a2cfa56]{display:flex;align-items:center;gap:1rem;text-decoration:none;color:inherit;cursor:pointer;transition:opacity .2s}.logo-section[data-v-6a2cfa56]:hover{opacity:.8}.logo[data-v-6a2cfa56]{width:50px;height:50px;object-fit:contain}.site-title[data-v-6a2cfa56]{font-size:1.5rem;font-weight:600;color:var(--text-primary)}.back-link[data-v-6a2cfa56]{color:var(--text-primary);text-decoration:none;padding:.5rem 1rem;border:1px solid var(--border-color);transition:all .2s}.back-link[data-v-6a2cfa56]:hover{background-color:var(--bg-card);border-color:var(--accent)}.back-arrow[data-v-6a2cfa56]{display:inline-block;margin-right:.5rem}.back-text[data-v-6a2cfa56]{display:inline-block}.header-right[data-v-6a2cfa56]{display:flex;align-items:center;gap:1rem}.social-links[data-v-6a2cfa56]{display:flex;gap:1rem;align-items:center}.social-link[data-v-6a2cfa56]{color:var(--text-primary);text-decoration:none;padding:.5rem 1rem;border:1px solid var(--border-color);transition:all .2s;font-size:.9rem}.social-link[data-v-6a2cfa56]:hover{background-color:var(--bg-card);border-color:var(--accent)}@media (max-width: 768px){header[data-v-6a2cfa56]{padding:1rem 0}.header-content[data-v-6a2cfa56]{padding:0 1rem;gap:.75rem;flex-wrap:nowrap}.logo[data-v-6a2cfa56]{width:40px;height:40px}.site-title[data-v-6a2cfa56]{font-size:1.2rem}.logo-section[data-v-6a2cfa56]{gap:.75rem;flex-shrink:0}.header-right[data-v-6a2cfa56]{gap:.5rem;flex-shrink:1;min-width:0}.social-links[data-v-6a2cfa56]{gap:.5rem}.social-link[data-v-6a2cfa56],.back-link[data-v-6a2cfa56]{padding:.4rem .7rem;font-size:.8rem;white-space:nowrap}.back-text[data-v-6a2cfa56]{display:none}}@media (max-width: 480px){.header-content[data-v-6a2cfa56]{padding:0 .75rem;gap:.5rem}.logo[data-v-6a2cfa56]{width:36px;height:36px}.site-title[data-v-6a2cfa56]{font-size:1.1rem}.logo-section[data-v-6a2cfa56]{gap:.5rem}.header-right[data-v-6a2cfa56],.social-links[data-v-6a2cfa56]{gap:.4rem}.social-link[data-v-6a2cfa56],.back-link[data-v-6a2cfa56]{padding:.35rem .6rem;font-size:.75rem}.back-text[data-v-6a2cfa56]{display:none}}@media (max-width: 360px){.header-content[data-v-6a2cfa56]{padding:0 .5rem;gap:.4rem}.logo[data-v-6a2cfa56]{width:32px;height:32px}.site-title[data-v-6a2cfa56]{font-size:1rem}.logo-section[data-v-6a2cfa56]{gap:.4rem}.header-right[data-v-6a2cfa56],.social-links[data-v-6a2cfa56]{gap:.3rem}.social-link[data-v-6a2cfa56],.back-link[data-v-6a2cfa56]{padding:.3rem .5rem;font-size:.7rem}.back-text[data-v-6a2cfa56]{display:none}}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #000000;--bg-secondary: #1a1a1a;--bg-card: #0f0f0f;--text-primary: #ffffff;--text-secondary: #cccccc;--border-color: #333333;--accent: #ffffff;--accent-hover: #e0e0e0;--correct: #4ade80;--correct-bg: rgba(74, 222, 128, .1);--correct-border: #4ade80;--incorrect: #f87171;--incorrect-bg: rgba(248, 113, 113, .1);--incorrect-border: #f87171;--border-correct: #4ade80;--border-incorrect: #f87171}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}#app{min-height:100vh;width:100%;max-width:100vw;overflow-x:hidden}main{width:100%;max-width:100vw;overflow-x:hidden}.container[data-v-4e47b8a6]{max-width:1200px;margin:0 auto;padding:2rem}.page-title[data-v-4e47b8a6]{font-size:2rem;margin-bottom:2rem;font-weight:600}.books-grid[data-v-4e47b8a6]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.book-card[data-v-4e47b8a6]{background-color:var(--bg-card);border:1px solid var(--border-color);padding:2rem;cursor:pointer;transition:all .2s;text-decoration:none;color:var(--text-primary);display:block}.book-card[data-v-4e47b8a6]:hover{border-color:var(--accent);background-color:var(--bg-secondary)}.book-card h3[data-v-4e47b8a6]{font-size:1.5rem;margin-bottom:.5rem;font-weight:600}.book-card p[data-v-4e47b8a6]{color:var(--text-secondary);font-size:.9rem}@media (max-width: 768px){.container[data-v-4e47b8a6]{padding:1rem}.books-grid[data-v-4e47b8a6]{grid-template-columns:1fr}}@media (max-width: 480px){.container[data-v-4e47b8a6]{padding:.75rem}.page-title[data-v-4e47b8a6]{font-size:1.5rem;margin-bottom:1.5rem}.book-card[data-v-4e47b8a6]{padding:1.5rem}.book-card h3[data-v-4e47b8a6]{font-size:1.25rem}}@media (max-width: 360px){.container[data-v-4e47b8a6]{padding:.5rem}.page-title[data-v-4e47b8a6]{font-size:1.25rem;margin-bottom:1rem}.book-card[data-v-4e47b8a6]{padding:1.25rem}.book-card h3[data-v-4e47b8a6]{font-size:1.1rem}.book-card p[data-v-4e47b8a6]{font-size:.85rem}}.container[data-v-2603cb0c]{max-width:1200px;margin:0 auto;padding:2rem}.page-title[data-v-2603cb0c]{font-size:2rem;margin-bottom:2rem;font-weight:600}.lessons-grid[data-v-2603cb0c]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.lesson-card[data-v-2603cb0c]{background-color:var(--bg-card);border:1px solid var(--border-color);padding:2rem;cursor:pointer;transition:all .2s;text-decoration:none;color:var(--text-primary);display:block}.lesson-card[data-v-2603cb0c]:hover{border-color:var(--accent);background-color:var(--bg-secondary)}.lesson-card h3[data-v-2603cb0c]{font-size:1.5rem;margin-bottom:.5rem;font-weight:600}.lesson-card p[data-v-2603cb0c]{color:var(--text-secondary);font-size:.9rem}@media (max-width: 768px){.container[data-v-2603cb0c]{padding:1rem}.lessons-grid[data-v-2603cb0c]{grid-template-columns:1fr}}@media (max-width: 480px){.container[data-v-2603cb0c]{padding:.75rem}.page-title[data-v-2603cb0c]{font-size:1.5rem;margin-bottom:1.5rem}.lesson-card[data-v-2603cb0c]{padding:1.5rem}.lesson-card h3[data-v-2603cb0c]{font-size:1.25rem}}@media (max-width: 360px){.container[data-v-2603cb0c]{padding:.5rem}.page-title[data-v-2603cb0c]{font-size:1.25rem;margin-bottom:1rem}.lesson-card[data-v-2603cb0c]{padding:1.25rem}.lesson-card h3[data-v-2603cb0c]{font-size:1.1rem}.lesson-card p[data-v-2603cb0c]{font-size:.85rem}}.test-wrapper[data-v-bc2fd6de]{max-width:800px;margin:0 auto}.question-container[data-v-bc2fd6de]{background-color:var(--bg-card);border:1px solid var(--border-color);padding:2rem;margin-bottom:2rem}.question-header[data-v-bc2fd6de]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.question-number[data-v-bc2fd6de]{font-size:1.2rem;font-weight:600}.question-text[data-v-bc2fd6de]{font-size:1.25rem;margin-bottom:2rem;line-height:1.8}.options-list[data-v-bc2fd6de]{list-style:none}.option-item[data-v-bc2fd6de]{margin-bottom:1rem}.option-btn[data-v-bc2fd6de]{width:100%;background-color:var(--bg-secondary);border:2px solid var(--border-color);color:var(--text-primary);padding:1.25rem;text-align:left;cursor:pointer;font-size:1rem;font-family:inherit;transition:all .3s ease;display:flex;align-items:center;gap:1rem;position:relative;border-radius:8px}.option-btn[data-v-bc2fd6de]:hover:not(:disabled){border-color:var(--accent);background-color:var(--bg-card);transform:translate(4px)}.option-btn[data-v-bc2fd6de]:disabled{cursor:not-allowed}.option-btn.correct[data-v-bc2fd6de]{border-color:var(--correct-border);background-color:var(--correct-bg);color:var(--correct);animation:correctPulse-bc2fd6de .5s ease}.option-btn.incorrect[data-v-bc2fd6de]{border-color:var(--incorrect-border);background-color:var(--incorrect-bg);color:var(--incorrect);animation:incorrectShake-bc2fd6de .5s ease}.option-letter[data-v-bc2fd6de]{font-weight:700;font-size:1.1rem;min-width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background-color:var(--bg-card);border-radius:4px;border:1px solid var(--border-color);transition:all .3s ease}.option-btn.correct .option-letter[data-v-bc2fd6de]{background-color:var(--correct);color:var(--bg-primary);border-color:var(--correct)}.option-btn.incorrect .option-letter[data-v-bc2fd6de]{background-color:var(--incorrect);color:var(--bg-primary);border-color:var(--incorrect)}.option-text[data-v-bc2fd6de]{flex:1}.option-icon[data-v-bc2fd6de]{font-size:1.5rem;font-weight:700;min-width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:50%;animation:iconAppear-bc2fd6de .3s ease}.correct-icon[data-v-bc2fd6de]{color:var(--correct);background-color:#4ade8033}.incorrect-icon[data-v-bc2fd6de]{color:var(--incorrect);background-color:#f8717133}@keyframes correctPulse-bc2fd6de{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes incorrectShake-bc2fd6de{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}@keyframes iconAppear-bc2fd6de{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}.option-feedback[data-v-bc2fd6de]{margin-top:1rem;padding:1.25rem;background-color:var(--bg-secondary);border-left:4px solid var(--accent);border-radius:6px;animation:feedbackSlide-bc2fd6de .3s ease}.option-feedback.correct[data-v-bc2fd6de]{border-left-color:var(--correct-border);background-color:var(--correct-bg)}.option-feedback.incorrect[data-v-bc2fd6de]{border-left-color:var(--incorrect-border);background-color:var(--incorrect-bg)}@keyframes feedbackSlide-bc2fd6de{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.feedback-text[data-v-bc2fd6de]{font-size:.95rem;line-height:1.6;margin-bottom:.5rem}.feedback-text[data-v-bc2fd6de]:first-child{font-weight:600;font-size:1rem;margin-bottom:.75rem}.option-feedback.correct .feedback-text[data-v-bc2fd6de]:first-child{color:var(--correct)}.option-feedback.incorrect .feedback-text[data-v-bc2fd6de]:first-child{color:var(--incorrect)}.reference-text[data-v-bc2fd6de]{font-size:.85rem;color:var(--text-secondary);font-style:italic;margin-top:.5rem}.test-navigation[data-v-bc2fd6de]{display:flex;justify-content:space-between;align-items:center;margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border-color)}.nav-btn[data-v-bc2fd6de]{background-color:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);padding:.75rem 2rem;cursor:pointer;font-size:1rem;font-family:inherit;transition:all .2s}.nav-btn[data-v-bc2fd6de]:hover:not(:disabled){border-color:var(--accent);background-color:var(--bg-card)}.nav-btn[data-v-bc2fd6de]:disabled{opacity:.5;cursor:not-allowed}.test-progress[data-v-bc2fd6de]{text-align:center;font-size:1rem}@media (max-width: 768px){.test-wrapper[data-v-bc2fd6de]{padding:0 .5rem}.question-container[data-v-bc2fd6de]{padding:1.5rem}.question-text[data-v-bc2fd6de]{font-size:1.1rem}.option-btn[data-v-bc2fd6de]{padding:1rem;font-size:.95rem}}@media (max-width: 480px){.test-wrapper[data-v-bc2fd6de]{padding:0}.question-container[data-v-bc2fd6de]{padding:1.25rem 1rem;border-radius:12px}.question-header[data-v-bc2fd6de]{margin-bottom:1rem;padding-bottom:.75rem}.question-number[data-v-bc2fd6de]{font-size:1rem}.question-text[data-v-bc2fd6de]{font-size:1rem;line-height:1.6;margin-bottom:1.5rem}.option-item[data-v-bc2fd6de]{margin-bottom:.75rem}.option-btn[data-v-bc2fd6de]{padding:.875rem;font-size:.9rem;gap:.75rem}.option-letter[data-v-bc2fd6de]{min-width:1.75rem;height:1.75rem;font-size:1rem}.option-icon[data-v-bc2fd6de]{min-width:1.75rem;height:1.75rem;font-size:1.3rem}.option-feedback[data-v-bc2fd6de]{padding:.875rem;margin-top:.75rem}.feedback-text[data-v-bc2fd6de]{font-size:.9rem}.reference-text[data-v-bc2fd6de]{font-size:.8rem}.test-navigation[data-v-bc2fd6de]{margin-top:1.5rem;padding-top:1.5rem;flex-wrap:wrap;gap:1rem}.nav-btn[data-v-bc2fd6de]{padding:.65rem 1.5rem;font-size:.9rem;flex:1;min-width:100px}.test-progress[data-v-bc2fd6de]{font-size:.9rem;width:100%;order:-1}}@media (max-width: 360px){.question-container[data-v-bc2fd6de]{padding:1rem .75rem}.question-number[data-v-bc2fd6de]{font-size:.95rem}.question-text[data-v-bc2fd6de]{font-size:.95rem;margin-bottom:1.25rem}.option-btn[data-v-bc2fd6de]{padding:.75rem;font-size:.85rem;gap:.5rem}.option-letter[data-v-bc2fd6de]{min-width:1.5rem;height:1.5rem;font-size:.9rem}.option-icon[data-v-bc2fd6de]{min-width:1.5rem;height:1.5rem;font-size:1.2rem}.option-feedback[data-v-bc2fd6de]{padding:.75rem}.feedback-text[data-v-bc2fd6de]{font-size:.85rem}.nav-btn[data-v-bc2fd6de]{padding:.6rem 1.25rem;font-size:.85rem}.test-progress[data-v-bc2fd6de]{font-size:.85rem}}.cards-wrapper[data-v-6ac0cb01]{max-width:900px;margin:0 auto}.card-container[data-v-6ac0cb01]{background:linear-gradient(135deg,var(--bg-card) 0%,var(--bg-secondary) 100%);border:2px solid var(--border-color);min-height:400px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:3rem;margin-bottom:2rem;position:relative;border-radius:16px;box-shadow:0 8px 32px #0000004d;transition:all .3s ease}.card-container[data-v-6ac0cb01]:hover{box-shadow:0 12px 48px #0006;transform:translateY(-2px)}.card-content[data-v-6ac0cb01]{width:100%;text-align:center;padding-top:2.5rem}.card-question-wrapper[data-v-6ac0cb01]{margin-bottom:2rem}.question-label[data-v-6ac0cb01]{font-size:.85rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:1rem;font-weight:600}.card-question[data-v-6ac0cb01]{font-size:1.5rem;line-height:1.8;min-height:100px;display:flex;align-items:center;justify-content:center;color:var(--text-primary);font-weight:500;padding:1.5rem;background:#ffffff08;border-radius:12px;border:1px solid rgba(255,255,255,.1)}.card-answer-wrapper[data-v-6ac0cb01]{margin-top:2rem;padding-top:2rem;border-top:2px solid var(--border-color);animation:answerReveal-6ac0cb01 .5s ease}.answer-label[data-v-6ac0cb01]{font-size:.85rem;color:var(--correct);text-transform:uppercase;letter-spacing:1px;margin-bottom:1rem;font-weight:600}.card-answer[data-v-6ac0cb01]{font-size:1.25rem;line-height:1.8;min-height:150px;display:flex;align-items:center;justify-content:center;color:var(--correct);padding:1.5rem;background:var(--correct-bg);border-radius:12px;border:1px solid var(--correct-border);font-weight:400}.show-answer-btn[data-v-6ac0cb01]{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-card) 100%);border:2px solid var(--border-color);color:var(--text-primary);padding:1rem 2rem;cursor:pointer;font-size:1rem;font-family:inherit;transition:all .3s ease;margin-top:2rem;border-radius:8px;display:inline-flex;align-items:center;gap:.5rem;font-weight:500}@media (max-width: 768px){.show-answer-btn[data-v-6ac0cb01]{display:none}}.show-answer-btn[data-v-6ac0cb01]:hover{border-color:var(--correct-border);background:var(--correct-bg);color:var(--correct);transform:translateY(-2px);box-shadow:0 4px 12px #4ade8033}.btn-icon[data-v-6ac0cb01]{font-size:1.2rem}.cards-navigation[data-v-6ac0cb01]{display:flex;justify-content:space-between;align-items:center;margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border-color)}.cards-progress[data-v-6ac0cb01]{text-align:center;font-size:1rem;display:flex;align-items:center;gap:.5rem;font-weight:600}.progress-number[data-v-6ac0cb01]{color:var(--correct);font-size:1.2rem}.progress-separator[data-v-6ac0cb01],.progress-total[data-v-6ac0cb01]{color:var(--text-secondary)}.card-nav-btn[data-v-6ac0cb01]{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-card) 100%);border:2px solid var(--border-color);color:var(--text-primary);width:50px;height:50px;border-radius:50%;cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center;transition:all .3s ease;font-family:inherit}.card-nav-btn[data-v-6ac0cb01]:hover:not(:disabled){border-color:var(--accent);background:var(--bg-card);transform:scale(1.1);box-shadow:0 4px 12px #ffffff1a}.card-nav-btn[data-v-6ac0cb01]:active:not(:disabled){transform:scale(.95)}.card-nav-btn[data-v-6ac0cb01]:disabled{opacity:.3;cursor:not-allowed}.card-instructions[data-v-6ac0cb01]{position:absolute;top:1rem;left:50%;transform:translate(-50%);font-size:.85rem;color:var(--text-secondary);text-align:center;background:#00000080;padding:.5rem 1rem;border-radius:20px;border:1px solid var(--border-color)}.mobile-instruction[data-v-6ac0cb01]{display:none}.desktop-instruction[data-v-6ac0cb01]{display:inline}.card-fade-enter-active[data-v-6ac0cb01],.card-fade-leave-active[data-v-6ac0cb01]{transition:all .3s ease}.card-fade-enter-from[data-v-6ac0cb01]{opacity:0;transform:translate(30px)}.card-fade-leave-to[data-v-6ac0cb01]{opacity:0;transform:translate(-30px)}.answer-slide-enter-active[data-v-6ac0cb01]{transition:all .5s ease}.answer-slide-enter-from[data-v-6ac0cb01]{opacity:0;transform:translateY(20px) scale(.95)}@keyframes answerReveal-6ac0cb01{0%{opacity:0;transform:translateY(20px) scale(.95)}50%{transform:translateY(-5px) scale(1.02)}to{opacity:1;transform:translateY(0) scale(1)}}.button-fade-enter-active[data-v-6ac0cb01],.button-fade-leave-active[data-v-6ac0cb01]{transition:all .3s ease}.button-fade-enter-from[data-v-6ac0cb01],.button-fade-leave-to[data-v-6ac0cb01]{opacity:0;transform:scale(.9)}@media (max-width: 768px){.card-container[data-v-6ac0cb01]{padding:2rem 1.5rem;min-height:300px;border-radius:12px}.card-content[data-v-6ac0cb01]{padding-top:2.5rem;cursor:pointer}.mobile-instruction[data-v-6ac0cb01]{display:inline}.desktop-instruction[data-v-6ac0cb01]{display:none}.card-question[data-v-6ac0cb01]{font-size:1.25rem;padding:1rem}.card-answer[data-v-6ac0cb01]{font-size:1.1rem;padding:1rem}}@media (max-width: 480px){.cards-wrapper[data-v-6ac0cb01]{padding:0 .5rem}.card-container[data-v-6ac0cb01]{padding:1.5rem 1rem;min-height:250px;border-radius:12px;margin-bottom:1rem}.card-content[data-v-6ac0cb01]{padding-top:3rem;cursor:pointer}.card-instructions[data-v-6ac0cb01]{font-size:.7rem;padding:.4rem .8rem;top:.5rem;left:50%;transform:translate(-50%);white-space:nowrap;max-width:calc(100% - 2rem);overflow:hidden;text-overflow:ellipsis;z-index:10;position:absolute}.question-label[data-v-6ac0cb01]{margin-top:.25rem}.card-question-wrapper[data-v-6ac0cb01]{margin-bottom:1.5rem}.question-label[data-v-6ac0cb01],.answer-label[data-v-6ac0cb01]{font-size:.7rem;margin-bottom:.75rem}.card-question[data-v-6ac0cb01]{font-size:1.1rem;line-height:1.6;min-height:80px;padding:1rem .75rem;border-radius:8px}.card-answer-wrapper[data-v-6ac0cb01]{margin-top:1.5rem;padding-top:1.5rem}.card-answer[data-v-6ac0cb01]{font-size:1rem;line-height:1.6;min-height:120px;padding:1rem .75rem;border-radius:8px}.show-answer-btn[data-v-6ac0cb01]{padding:.75rem 1.5rem;font-size:.9rem;margin-top:1.5rem;gap:.4rem}.btn-icon[data-v-6ac0cb01]{font-size:1rem}.cards-navigation[data-v-6ac0cb01]{margin-top:1rem;padding-top:1rem;gap:.5rem}.cards-progress[data-v-6ac0cb01]{font-size:.9rem;gap:.3rem}.progress-number[data-v-6ac0cb01]{font-size:1rem}.card-nav-btn[data-v-6ac0cb01]{width:44px;height:44px;font-size:1.3rem}}@media (max-width: 360px){.cards-wrapper[data-v-6ac0cb01]{padding:0 .25rem}.card-container[data-v-6ac0cb01]{padding:1.25rem .75rem;min-height:220px;border-radius:10px}.card-content[data-v-6ac0cb01]{padding-top:2.75rem}.card-instructions[data-v-6ac0cb01]{font-size:.65rem;padding:.35rem .7rem;top:.4rem;left:50%;transform:translate(-50%);max-width:calc(100% - 1.5rem);z-index:10;position:absolute}.question-label[data-v-6ac0cb01]{margin-top:.5rem;margin-bottom:.75rem}.card-question[data-v-6ac0cb01]{font-size:1rem;line-height:1.5;min-height:70px;padding:.875rem .5rem}.card-answer[data-v-6ac0cb01]{font-size:.95rem;line-height:1.5;min-height:100px;padding:.875rem .5rem}.show-answer-btn[data-v-6ac0cb01]{padding:.65rem 1.25rem;font-size:.85rem;margin-top:1.25rem}.cards-navigation[data-v-6ac0cb01]{margin-top:.75rem;padding-top:.75rem}.cards-progress[data-v-6ac0cb01]{font-size:.85rem}.progress-number[data-v-6ac0cb01]{font-size:.95rem}.card-nav-btn[data-v-6ac0cb01]{width:40px;height:40px;font-size:1.2rem}}.container[data-v-45c41bf4]{max-width:1200px;margin:0 auto;padding:2rem}.page-title[data-v-45c41bf4]{font-size:2rem;margin-bottom:2rem;font-weight:600}.tabs[data-v-45c41bf4]{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:1px solid var(--border-color)}.tab-btn[data-v-45c41bf4]{background:none;border:none;color:var(--text-secondary);padding:1rem 2rem;cursor:pointer;font-size:1rem;border-bottom:2px solid transparent;transition:all .2s;font-family:inherit;text-decoration:none;display:inline-block;text-align:center}.tab-btn[data-v-45c41bf4]:hover{color:var(--text-primary)}.tab-btn.active[data-v-45c41bf4]{color:var(--text-primary);border-bottom-color:var(--accent)}.tab-content[data-v-45c41bf4]{display:block}.loading[data-v-45c41bf4],.empty-state[data-v-45c41bf4]{text-align:center;padding:3rem;color:var(--text-secondary)}.test-content[data-v-45c41bf4],.cards-content[data-v-45c41bf4],.presentation-content[data-v-45c41bf4]{min-height:200px}.presentation-content[data-v-45c41bf4]{width:100%;height:calc(100vh - 300px);min-height:600px}.pdf-viewer[data-v-45c41bf4]{width:100%;height:100%;border:1px solid var(--border-color);background-color:var(--bg-card)}@media (max-width: 768px){.container[data-v-45c41bf4]{padding:1rem}.page-title[data-v-45c41bf4]{font-size:1.5rem;margin-bottom:1.5rem}.tabs[data-v-45c41bf4]{gap:.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tabs[data-v-45c41bf4]::-webkit-scrollbar{display:none}.tab-btn[data-v-45c41bf4]{padding:.75rem 1rem;font-size:.9rem;white-space:nowrap}}@media (max-width: 480px){.container[data-v-45c41bf4]{padding:.75rem}.page-title[data-v-45c41bf4]{font-size:1.25rem;margin-bottom:1rem}.tabs[data-v-45c41bf4]{gap:.25rem;margin-bottom:1.5rem}.tab-btn[data-v-45c41bf4]{padding:.65rem .85rem;font-size:.85rem;flex:1;min-width:0}.loading[data-v-45c41bf4],.empty-state[data-v-45c41bf4]{padding:2rem 1rem;font-size:.9rem}.presentation-content[data-v-45c41bf4]{height:calc(100vh - 250px);min-height:400px}}@media (max-width: 360px){.container[data-v-45c41bf4]{padding:.5rem}.page-title[data-v-45c41bf4]{font-size:1.1rem;margin-bottom:.75rem}.tabs[data-v-45c41bf4]{gap:.2rem;margin-bottom:1rem}.tab-btn[data-v-45c41bf4]{padding:.55rem .7rem;font-size:.8rem}.loading[data-v-45c41bf4],.empty-state[data-v-45c41bf4]{padding:1.5rem .75rem;font-size:.85rem}.presentation-content[data-v-45c41bf4]{height:calc(100vh - 220px);min-height:350px}}