header[data-v-df3ae523]{background-color:#fff;height:60px;box-shadow:0 4px 6px -1px #00000014;position:sticky;top:0;z-index:1000;margin-bottom:3rem;display:flex;align-items:center}.container[data-v-df3ae523]{max-width:1200px;width:100%;margin:0 auto;padding:0 20px}.nav-row[data-v-df3ae523]{display:flex;justify-content:space-between;align-items:center;height:100%}.logo-container[data-v-df3ae523]{text-decoration:none;display:flex;align-items:center}.logo-img[data-v-df3ae523]{height:32px;margin-right:8px}.logo[data-v-df3ae523]{font-size:2.2rem;font-weight:800;color:var(--blue);letter-spacing:-.5px;cursor:pointer;line-height:1}.nav-links[data-v-df3ae523]{display:flex;gap:3rem;align-items:center;height:100%}.nav-link[data-v-df3ae523]{text-decoration:none;color:var(--color-text);font-size:1.5rem;font-weight:600;position:relative;transition:color .3s 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.user-info-trigger[data-v-df3ae523]{background-color:#f8f9fa;border-color:#e9ecef}.avatar[data-v-df3ae523]{width:34px;height:34px;background:linear-gradient(135deg,var(--blue),#6384f5);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.4rem;box-shadow:0 2px 5px #3e65fe4d}.username[data-v-df3ae523]{font-weight:600;font-size:1.5rem;color:#333;max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chevron-icon[data-v-df3ae523]{width:16px;height:16px;color:#999;transition:transform .3s ease}.chevron-icon.rotate[data-v-df3ae523]{transform:rotate(180deg)}.user-dropdown[data-v-df3ae523]{position:absolute;top:120%;right:0;width:220px;background:#fff;border-radius:12px;box-shadow:0 10px 30px #0000001f;border:1px solid #f0f0f0;padding:8px 0;z-index:1100}.user-dropdown[data-v-df3ae523]:before{content:"";position:absolute;top:-6px;right:20px;width:12px;height:12px;background:#fff;transform:rotate(45deg);border-top:1px solid #f0f0f0;border-left:1px solid #f0f0f0}.dropdown-header[data-v-df3ae523]{padding:10px 20px}.dd-name[data-v-df3ae523]{font-size:1.5rem;font-weight:700;color:#333;margin:0}.dd-email[data-v-df3ae523]{font-size:1.2rem;color:#888;margin:2px 0 0}.user-dropdown hr[data-v-df3ae523]{border:0;border-top:1px solid #f0f0f0;margin:5px 0}.dropdown-item[data-v-df3ae523]{width:100%;text-align:left;padding:10px 20px;background:none;border:none;font-size:1.4rem;color:#555;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .2s}.dropdown-item[data-v-df3ae523]:hover{background-color:#f8f9fa;color:var(--blue)}.dropdown-item.logout[data-v-df3ae523]:hover{background-color:#fff5f5;color:var(--red)}.slide-fade-enter-active[data-v-df3ae523]{transition:all .2s ease-out}.slide-fade-leave-active[data-v-df3ae523]{transition:all .2s 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#3e65fe33}.user-text[data-v-df3ae523]{display:flex;flex-direction:column}.u-name[data-v-df3ae523]{font-weight:700;font-size:1.5rem;color:#333}.u-role[data-v-df3ae523]{font-size:1.3rem;color:#666;font-weight:400;margin-top:2px}.mobile-link[data-v-df3ae523]{padding:1.5rem 2rem;text-decoration:none;color:#333;font-size:1.6rem;font-weight:600;border-bottom:1px solid #f5f5f5;transition:all .2s;display:block}.mobile-link[data-v-df3ae523]:hover,.mobile-link.router-link-active[data-v-df3ae523]{background:#f8faff;color:var(--blue);padding-left:2.5rem}.mobile-logout-btn[data-v-df3ae523]{width:100%;text-align:left;background:none;border:none;border-bottom:1px solid #f5f5f5;cursor:pointer;color:#e63946;display:flex;align-items:center;gap:4px;font-size:1.4rem}.mobile-logout-btn[data-v-df3ae523]:hover{background-color:#fff5f5;color:#d32f2f}.mobile-logout-btn svg[data-v-df3ae523]{transition:transform .2s}.mobile-logout-btn:hover svg[data-v-df3ae523]{transform:translate(3px)}.mobile-auth-actions[data-v-df3ae523]{padding:2rem;display:flex;flex-direction:column;gap:12px;background-color:#fff}.mobile-btn-login[data-v-df3ae523],.mobile-btn-register[data-v-df3ae523]{width:100%;padding:1.2rem;border-radius:8px;font-weight:700;font-size:1.5rem;border:none;cursor:pointer;text-align:center;transition:opacity .2s}.mobile-btn-login[data-v-df3ae523]{background-color:#f0f2f5;color:#333}.mobile-btn-register[data-v-df3ae523]{background-color:var(--blue);color:#fff;box-shadow:0 4px 10px #3e65fe33}.mobile-btn-login[data-v-df3ae523]:active,.mobile-btn-register[data-v-df3ae523]:active{transform:scale(.98)}.mobile-fade-enter-active[data-v-df3ae523],.mobile-fade-leave-active[data-v-df3ae523]{transition:opacity .3s ease}.mobile-fade-enter-from[data-v-df3ae523],.mobile-fade-leave-to[data-v-df3ae523]{opacity:0}.mobile-fade-enter-active .mobile-menu-inner[data-v-df3ae523]{animation:slideDown-df3ae523 .3s ease-out 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#00000026;color:#333}.close-auth[data-v-df3ae523]{position:absolute;top:15px;right:15px;background:none;border:none;color:#999;font-size:2rem;cursor:pointer;padding:5px;line-height:1}.close-auth[data-v-df3ae523]:hover{color:#333}.auth-title[data-v-df3ae523]{text-align:center;font-size:2.4rem;font-weight:700;margin-bottom:2.5rem;color:#333}.form-group[data-v-df3ae523]{margin-bottom:1.5rem}.form-group label[data-v-df3ae523]{display:block;margin-bottom:.5rem;font-size:1.4rem;color:#555;font-weight:500}.form-group input[data-v-df3ae523]{width:100%;padding:1rem 1.2rem;border-radius:6px;border:1px solid #ddd;background-color:#fff;color:#333;font-size:1.6rem;outline:none;transition:border-color .2s}.form-group input[data-v-df3ae523]:focus{border-color:var(--blue)}.forgot-pass[data-v-df3ae523]{text-align:right;margin-bottom:2rem}.forgot-pass a[data-v-df3ae523]{color:var(--blue);font-size:1.4rem;text-decoration:none}.btn-auth-submit[data-v-df3ae523]{width:100%;padding:1.2rem;background-color:var(--blue);color:#fff;font-size:1.6rem;font-weight:700;border-radius:8px;border:none;cursor:pointer;transition:background .2s;margin-top:1rem}.btn-auth-submit[data-v-df3ae523]:hover{opacity:.9}.auth-footer[data-v-df3ae523]{text-align:center;margin-top:2rem;font-size:1.4rem;color:#666}.auth-footer a[data-v-df3ae523]{color:var(--blue);text-decoration:none;font-weight:600;margin-left:5px}.auth-footer a[data-v-df3ae523]:hover{text-decoration:underline}@keyframes fadeIn-df3ae523{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}@media(max-width:768px){.nav-links[data-v-df3ae523]{display:none}.menu-btn[data-v-df3ae523]{display:flex}}.public-toggle[data-v-1842e342]{display:flex;align-items:center;gap:8px;cursor:pointer;background:#f0f2f5;padding:8px 12px;border-radius:20px;-webkit-user-select:none;user-select:none;border:1px 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button[data-v-1842e342]{width:150px}.create_wrap[data-v-1842e342]{padding:20px;display:flex;gap:20px}.create_content[data-v-1842e342]{padding:20px;background-color:#fff;min-height:500px;width:50%;display:flex;flex-direction:column;border-radius:12px}.create_content .button-row[data-v-1842e342]{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.create_content .button-row .validate[data-v-1842e342]{color:var(--blue);background-color:#fff;border:2px solid var(--blue)}.notieble[data-v-1842e342]{margin:0 4px 10px;text-align:center}.create_content p[data-v-1842e342]{font-size:1.3rem;color:var(--red)}.create_content button[data-v-1842e342]{padding:10px 20px;min-width:80px;cursor:pointer}.create_content button[data-v-1842e342]:disabled{opacity:.6;cursor:not-allowed}.create_content input[type=text][data-v-1842e342]{margin-top:10px;min-height:30px;font-size:1.4rem;padding:8px 5px;font-weight:700;border:1px solid #ccc}.create_content textarea[data-v-1842e342]{margin-top:20px;padding:10px;min-height:400px;resize:none;border-radius:8px;border:1px solid #ccc}.create_preview[data-v-1842e342]{padding:20px;background-color:#fff;min-height:500px;width:50%;border-radius:12px}.create_preview .title[data-v-1842e342]{font-size:1.4rem;font-weight:500;margin-bottom:10px;display:flex;align-items:center}.content_table[data-v-1842e342]{display:flex;flex-wrap:wrap;gap:1rem;height:180px;overflow-y:auto;padding:2px;margin-bottom:20px}.content_table[data-v-1842e342]::-webkit-scrollbar{display:none}.content_table li[data-v-1842e342]{width:3.5rem;height:3.5rem;color:var(--blue);text-align:center;line-height:3rem;border-radius:4px;flex-shrink:0;box-shadow:0 0 1.5px #1010104d;cursor:pointer;border:1.5px solid transparent;transition:.25s}.content_table li.active[data-v-1842e342]{border:1.5px solid var(--blue);background-color:var(--blue);color:#fff}.create_preview .question[data-v-1842e342]{font-weight:700;font-size:1.6rem;margin-bottom:1rem}.answer_list[data-v-1842e342]{margin-top:1rem;display:flex;flex-wrap:wrap;gap:0}.answer_list li[data-v-1842e342]{width:50%;margin:3px 0;font-size:1.45rem;line-height:1.9rem;padding:1rem 2.5rem;border-radius:4px;transition:.25s;cursor:pointer}.answer_list li.correct[data-v-1842e342]{color:#fff;background-color:var(--green)}@media(max-width:900px){.create_wrap[data-v-1842e342]{flex-direction:column}.create_content[data-v-1842e342],.create_preview[data-v-1842e342]{width:100%;min-height:auto}.create_content textarea[data-v-1842e342]{min-height:300px}}@media(max-width:600px){.create_wrap[data-v-1842e342]{padding:10px;gap:15px}.create_content[data-v-1842e342],.create_preview[data-v-1842e342]{padding:15px}.create_content .button-row[data-v-1842e342]{flex-wrap:wrap;gap:10px}.create_content 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.3s;flex-shrink:0}.btn-create[data-v-0071fbba]:hover{background-color:#2c4dd6}.btn-create svg[data-v-0071fbba]{width:2rem;height:2rem}.home_grid[data-v-0071fbba]{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:2rem}.empty-state[data-v-0071fbba]{grid-column:1 / -1;text-align:center;font-size:1.8rem;color:#666;margin-top:4rem}.course_card[data-v-0071fbba]{background-color:#fff;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;height:100%;box-shadow:0 4px 12px #0000000d;transition:transform .3s ease,box-shadow .3s ease}.course_card[data-v-0071fbba]:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0000001a}.card-image-wrapper[data-v-0071fbba]{width:100%;aspect-ratio:1 / 1;overflow:hidden;position:relative;background-color:#f0f0f0;flex-shrink:0}.course_image[data-v-0071fbba]{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;position:absolute;top:0;left:0}.course_card:hover .course_image[data-v-0071fbba]{transform:scale(1.05)}.course_content[data-v-0071fbba]{padding:1.2rem 1.2rem .5rem;flex:1;display:flex;flex-direction:column}.course-title[data-v-0071fbba]{font-size:1.7rem;font-weight:700;margin:0;color:#333;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;height:4.42rem}.card-actions[data-v-0071fbba]{padding:1rem 1.2rem 1.2rem;display:flex;gap:.8rem;align-items:center;margin-top:auto}.btn-do-it[data-v-0071fbba]{flex:1;background-color:var(--blue);color:#fff;text-align:center;padding:.8rem;border-radius:6px;font-weight:600;text-decoration:none;font-size:1.5rem;border:none;cursor:pointer;transition:background .3s}.btn-do-it[data-v-0071fbba]:hover{background-color:#2c4dd6}.options-menu-wrapper[data-v-0071fbba]{position:relative}.btn-options[data-v-0071fbba]{background:#f0f2f5;color:#555;width:3.6rem;height:3.6rem;padding:0;border:none;cursor:pointer;border-radius:6px;display:flex;justify-content:center;align-items:center;transition:background .2s}.btn-options[data-v-0071fbba]:hover{background:#e4e6eb}.btn-options svg[data-v-0071fbba]{width:2.2rem;height:2.2rem}.dropdown-menu[data-v-0071fbba]{display:none;position:absolute;bottom:110%;right:0;background-color:#fff;box-shadow:0 4px 15px #00000026;border-radius:8px;width:130px;z-index:10;padding:.5rem}.dropdown-menu.active[data-v-0071fbba]{display:block;animation:fadeIn-0071fbba .2s ease}.dropdown-menu li[data-v-0071fbba]{padding:.8rem;cursor:pointer;display:flex;align-items:center;gap:.8rem;font-size:1.4rem;border-radius:4px;color:#444}.dropdown-menu li[data-v-0071fbba]:hover{background-color:#f5f7fa;color:var(--blue)}.dropdown-menu li.delete-item[data-v-0071fbba]:hover{background-color:#fff5f5;color:var(--red)}.dropdown-menu li svg[data-v-0071fbba]{width:1.6rem;height:1.6rem}.form[data-v-0071fbba]{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:2.5rem;border-radius:16px;box-shadow:0 10px 40px #0003;width:400px;max-width:90%;z-index:1000;display:flex;flex-direction:column;gap:2rem}.form h4[data-v-0071fbba]{font-size:2rem;margin:0;color:var(--blue)}.checkbox-group[data-v-0071fbba]{display:flex;flex-direction:column;gap:1rem}.checkbox-style[data-v-0071fbba]{display:flex;align-items:center;gap:1rem;cursor:pointer;font-size:1.6rem}.checkbox-input[data-v-0071fbba]{display:none}.checkbox-box[data-v-0071fbba]{width:2rem;height:2rem;border:2px solid #ddd;border-radius:4px;display:flex;align-items:center;justify-content:center;color:#fff;transition:.2s}.checkbox-box svg[data-v-0071fbba]{width:1.4rem;height:1.4rem}.checkbox-input:checked+.checkbox-box[data-v-0071fbba]{background:var(--blue);border-color:var(--blue)}.mode-group[data-v-0071fbba]{display:flex;flex-direction:column;gap:1rem}.radio-wrap[data-v-0071fbba]{display:flex;align-items:center;gap:1rem;font-size:1.6rem}.radio-wrap input[type=radio][data-v-0071fbba]{width:1.8rem;height:1.8rem;accent-color:var(--blue);cursor:pointer}#quesCount[data-v-0071fbba]{width:7rem;padding:.5rem;font-size:1.6rem;border:1px solid #ddd;border-radius:4px}.btn-start[data-v-0071fbba]{background:var(--blue);color:#fff;padding:1.2rem;border-radius:8px;font-size:1.8rem;font-weight:700;margin-top:1rem;border:none;cursor:pointer;transition:opacity .2s}.btn-start[data-v-0071fbba]:hover{opacity:.9}@media(max-width:768px){.home_grid[data-v-0071fbba]{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1.5rem}}@media(max-width:480px){.home_grid[data-v-0071fbba]{grid-template-columns:repeat(2,1fr);gap:1.5rem}.search-wrapper[data-v-0071fbba]{max-width:100%}}@keyframes fadeIn-0071fbba{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.loading-container[data-v-d91e85a0]{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;gap:1.5rem}.spinner[data-v-d91e85a0]{width:50px;height:50px;border:5px solid #f3f3f3;border-top:5px solid var(--blue);border-radius:50%;animation:spin-d91e85a0 1s linear infinite}@keyframes 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button.active[data-v-d91e85a0]{background:var(--blue);color:#fff;border-color:var(--blue)}.list-grid[data-v-d91e85a0]{max-height:250px;justify-content:center}.list-grid>li[data-v-d91e85a0]{width:4.5rem;height:4.5rem;font-size:1.6rem}.mobile-overlay[data-v-d91e85a0]{position:fixed;inset:0;background:#00000080;z-index:2050}.submit_form[data-v-d91e85a0]{width:90%;z-index:2200}}:root{--blue: rgb(62, 101, 254);--red: rgb(211, 47, 47);--green: green;--color-text: #333;--color-background: #eee}*{padding:0;margin:0;box-sizing:border-box;list-style:none}html{font-size:62.5%;scroll-behavior:smooth}body{font-size:1.6rem;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--color-background);color:var(--color-text);min-height:100vh;transition:opacity .3s ease-in-out}ul{margin:0;padding:0}button{padding:.8rem 2.5rem;background-color:var(--blue);color:#fff;font-weight:700;border:2px solid 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