.stepper-list[data-v-e4d94dac]{border:1px solid var(--lesson-list-background);border-bottom:3px solid var(--lesson-list-background);display:flex;flex-direction:column;gap:1rem;padding:18px 8px;border-radius:12px;position:relative}.stepper-list[data-v-e4d94dac]:after{content:"";width:10px;height:calc(100% - 140px);border-left:1px dashed #ececec;position:absolute;top:70px;left:20px;z-index:1}@media screen and (min-width:1200px){.stepper-list[data-v-e4d94dac]:after{height:calc(100% - 160px);top:80px}}.stepper-content[data-v-e4d94dac]{width:100%}.stepper-content__inner[data-v-e4d94dac]{align-items:center;display:flex;gap:.5rem}@media screen and (min-width:1200px){.stepper-content__inner[data-v-e4d94dac]{gap:.875rem}}.stepper-content__step[data-v-e4d94dac]{align-items:center;background-color:#e7eced66;border:1px solid transparent;border-radius:50%;display:flex;font-size:.875rem;font-weight:500;height:24px;justify-content:center;line-height:1.14;overflow:hidden;width:24px}.stepper-content__step--in-progress[data-v-e4d94dac]{background-color:var(--lesson-list-background);border:1px solid var(--lesson-list-color)}.stepper-content__step--completed[data-v-e4d94dac]{background-color:var(--lesson-list-color)}.stepper-content__thumbnail[data-v-e4d94dac]{border-radius:8px;display:block;overflow:hidden;position:relative;width:128px}@media screen and (min-width:1200px){.stepper-content__thumbnail[data-v-e4d94dac]{width:168px}}.stepper-content__thumbnail>img[data-v-e4d94dac]{display:block;height:100%;width:100%}.stepper-content__body[data-v-e4d94dac]{display:flex;flex:1;align-items:center}.stepper-content__body__text[data-v-e4d94dac]{font-size:15px;font-weight:400;line-height:19px;letter-spacing:-.3px}.play-button[data-v-e4d94dac]{width:40px;height:40px;background:rgb(var(--v-theme-vblack))}.reload-button[data-v-e4d94dac]{transform:scaleX(-1);color:rgb(var(--v-theme-surface))!important;font-weight:700}.check-icon[data-v-e4d94dac]{width:18px;height:18px}[data-v-e4d94dac] .v-card-item__content{padding:1.5px!important}.last-viewed[data-v-e4d94dac]{position:absolute;top:6px;right:3px;font-size:12px;font-weight:500;letter-spacing:-.24px;background:#1e2a2f99;color:#fff}.lesson-title-progress-bar[data-v-e4d94dac]{width:100%;border-radius:0;position:relative;background:rgb(var(--v-theme-vgrey));position:absolute;top:auto!important;left:0;bottom:0!important}.subject-header[data-v-2ed069cb]{margin-top:0;position:relative;transition:margin .4s ease-out}.subject-header__container[data-v-2ed069cb]{height:5.5rem;position:relative;transition:height .4s ease-out}@media screen and (min-width:1200px){.subject-header__container[data-v-2ed069cb]{transition:none}}.subject-header__back[data-v-2ed069cb]{background:color-mix(in srgb,var(--subject-color-default),transparent 80%);border-radius:.75rem;display:flex;height:3rem;justify-content:center;transition:left .1s ease-in;width:3rem}.subject-header__back>img[data-v-2ed069cb]{display:block;height:100%;width:100%}.subject-header__expanded[data-v-2ed069cb]{align-items:center;animation:fly-in-2ed069cb .3s ease-in forwards;background:linear-gradient(180deg,var(--subject-color-default) -298.43%,var(--subject-color-lighter) 68.46%);border-radius:1rem;display:flex;gap:.5rem;height:100%;padding-left:16px;position:absolute;width:100%}@media screen and (min-width:1200px){.subject-header__expanded[data-v-2ed069cb]{padding-left:20px}}.subject-header__expanded__icon[data-v-2ed069cb]{height:4rem;width:4rem}.subject-header__expanded__icon>img[data-v-2ed069cb]{display:block;height:100%;object-fit:contain;width:100%}.subject-header__expanded__inner[data-v-2ed069cb]{display:flex;flex-direction:column;gap:.25rem}.subject-header__expanded__grade[data-v-2ed069cb]{background-color:rgb(var(--v-theme-accent_background_color));border-radius:.75rem;color:rgb(var(--v-theme-tab-color));font-size:.75rem;font-weight:500;line-height:1rem;padding:.25rem .5rem;width:max-content}.subject-header__expanded__name[data-v-2ed069cb]{color:#000;font-size:1.5rem;font-weight:800;line-height:1.375rem}.subject-header__compact[data-v-2ed069cb]{animation:slide-out-2ed069cb .2s ease-out forwards;position:absolute;left:0;width:100%}.subject-header__compact__inner[data-v-2ed069cb]{align-items:center;display:flex;gap:.25rem;padding:.75rem 0 .75rem 3.5rem}@media screen and (min-width:1200px){.subject-header__compact__inner[data-v-2ed069cb]{padding:0}}.subject-header__compact__name[data-v-2ed069cb]{color:var(--subject-color-default);font-size:1rem;font-weight:500}.subject-header__compact__grade[data-v-2ed069cb]{background-color:rgb(var(--v-theme-accent_background_color));border-radius:.75rem;color:rgb(var(--v-theme-tab-color));font-size:.75rem;font-weight:500;line-height:1rem;padding:.25rem .5rem;width:max-content}.subject-header__sticky[data-v-2ed069cb]{margin-top:1rem}@media screen and (min-width:1200px){.subject-header__sticky[data-v-2ed069cb]{margin-top:0}}.subject-header__sticky .subject-header__container[data-v-2ed069cb]{height:3rem;transition:height .4s ease-in}@media screen and (min-width:1200px){.subject-header__sticky .subject-header__container[data-v-2ed069cb]{height:1.5rem}}.subject-header__sticky .subject-header__expanded[data-v-2ed069cb]{animation:fly-out-2ed069cb .4s ease-in forwards;z-index:-1}.subject-header__sticky .subject-header__compact[data-v-2ed069cb]{animation:slide-in-2ed069cb .5s ease-in forwards}@keyframes fly-out-2ed069cb{0%{opacity:1;top:50%;transform:translateY(-50%)}to{opacity:0;top:0;transform:translateY(-100%);display:none}}@keyframes fly-in-2ed069cb{0%{opacity:1;top:0;transform:translateY(-100%)}50%{top:calc(100% + .5rem);transform:translateY(calc(-100% + .5rem))}to{display:flex;top:50%;transform:translateY(-50%)}}@keyframes slide-in-2ed069cb{0%{opacity:0;top:100%}to{opacity:1;top:50%;transform:translateY(-50%)}}@keyframes slide-out-2ed069cb{0%{opacity:1;top:50%}to{opacity:0;top:100%}}.tablet-side-menu-wrapper[data-v-bf957427]{display:none;max-width:200px;width:100%}@media screen and (min-width:1200px){.tablet-side-menu-wrapper[data-v-bf957427]{position:fixed;display:flex;z-index:601}}@media screen and (min-width:1200px){.main-content-container[data-v-bf957427]{margin-left:auto;margin-right:auto;max-width:780px;width:100%}}.loading-flow[data-v-bf957427]{position:fixed;display:flex;align-items:flex-start;justify-content:center;padding-top:157px;border-radius:24px;background:#ffffffbf;z-index:2;pointer-events:none;inset:50% 0 0 50%;transform:translate(-50%,-50%)}.main-content__inner[data-v-bf957427]{background:#ffffffd9;backdrop-filter:blur(8px);border-bottom:1px solid #ececec;-webkit-backdrop-filter:blur(8px);background-clip:padding-box;isolation:isolate;padding-bottom:1rem;padding-inline:1rem;padding-top:var(--header-height);position:fixed;width:100%;z-index:9;top:0}@media screen and (min-width:776px){.main-content__inner[data-v-bf957427]{padding-inline:1.75rem}}@media screen and (min-width:1200px){.main-content__inner[data-v-bf957427]{max-width:780px;padding-inline:0;top:0;z-index:600}}.chips[data-v-bf957427]{margin-top:.875rem;white-space:nowrap}@media screen and (min-width:1200px){.chips[data-v-bf957427]{overflow:hidden}}.chips__list[data-v-bf957427]{align-items:center;display:inline-flex;width:100%}.chips__list.no-transition .chips__list-item[data-v-bf957427]{transition:none!important}.chips__button[data-v-bf957427]{background-color:#eff8fc;border:1px solid #00a6fb;border-radius:25px;cursor:pointer;display:block;font-size:14px;line-height:normal;max-width:220px;padding:12px 20px;text-decoration:none;white-space:normal;width:max-content}.back-btn[data-v-bf957427]{border-radius:12px;min-height:40px;min-width:40px;outline:none;border:none;box-shadow:none;margin-left:16px}.mt-custom[data-v-bf957427]{margin-top:30px}.subject-sections[data-v-bf957427]{padding-bottom:64px;padding-inline:1rem;margin-top:var(--top-offset);transition:padding-top .05s ease-out}@media screen and (min-width:776px){.subject-sections[data-v-bf957427]{padding-inline:1.75rem}}@media screen and (min-width:1200px){.subject-sections[data-v-bf957427]{padding-inline:0}}.subject-sections__section[data-v-bf957427]{padding-top:1.5rem}.subject-sections__heading[data-v-bf957427]{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.5rem}.subject-sections__heading__label[data-v-bf957427]{color:#8d8d8d;font-size:10px;font-weight:500;letter-spacing:1px;margin-bottom:0;text-transform:uppercase}.subject-sections__heading__title[data-v-bf957427]{font-size:18px;font-weight:700;letter-spacing:-.36px;margin-bottom:0}.subscription-banner-container[data-v-bf957427]{padding:16px 0}