.spinner{display:inline-flex;color:var(--color-text-muted)}.spinner svg{width:100%;height:100%;animation:spinner-turn .8s linear infinite}.spinner--sm{width:1rem;height:1rem}.spinner--md{width:1.5rem;height:1.5rem}.spinner--lg{width:2.5rem;height:2.5rem}.spinner__track,.spinner__arc{fill:none;stroke-width:3}.spinner__track{stroke:currentColor;opacity:.2}.spinner__arc{stroke:currentColor;stroke-linecap:round;stroke-dasharray:18 60}@keyframes spinner-turn{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner svg{animation:spinner-turn 2.4s linear infinite!important}}.button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:var(--tap-target);padding:0 var(--space-5);border:1px solid transparent;border-radius:var(--radius-md);font-size:var(--text-base);font-weight:var(--weight-medium);line-height:1;cursor:pointer;transition:background var(--transition),border-color var(--transition),color var(--transition),transform var(--transition)}.button--sm{min-height:2.25rem;padding:0 var(--space-4);font-size:var(--text-sm)}.button--full{display:flex;width:100%}.button--primary{background:var(--color-accent);color:var(--color-on-accent)}.button--primary:hover:not(:disabled){background:var(--color-accent-hover)}.button--secondary{background:var(--color-accent-soft);color:var(--color-text)}.button--secondary:hover:not(:disabled){background:var(--color-border)}.button--ghost{background:transparent;color:var(--color-text)}.button--ghost:hover:not(:disabled){background:var(--color-accent-soft)}.button--danger{background:var(--color-danger);color:#fff}.button--danger:hover:not(:disabled){filter:brightness(.92)}.button:active:not(:disabled){transform:translateY(1px)}.button:disabled{cursor:not-allowed;opacity:.45}.button--loading{cursor:progress;opacity:.85}.button--loading .spinner{color:currentColor}.logo{display:inline-flex;align-items:center;gap:.5em;font-weight:var(--weight-semibold);letter-spacing:-.03em;line-height:1;color:var(--color-text)}.logo--md{font-size:var(--text-xl)}.logo--lg{font-size:var(--text-3xl)}.logo__mark{width:1em;height:1em;flex:none}.logo__mark rect{fill:var(--color-text)}.logo__mark .logo__accent{fill:var(--color-data)}._page_1rsoe_1{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}._header_1rsoe_8,._main_1rsoe_9{width:100%;max-width:calc(var(--content-width) + var(--space-6) * 2);margin:0 auto;padding:0 var(--space-6)}._header_1rsoe_8{display:flex;align-items:center;height:var(--bar-height)}._logo_1rsoe_22{text-decoration:none}._main_1rsoe_9{display:grid;flex:1;align-content:center;justify-items:start;gap:var(--space-4);padding-bottom:var(--bar-height)}._title_1rsoe_35{font-size:var(--text-3xl);line-height:var(--leading-tight);letter-spacing:-.02em}._text_1rsoe_41{max-width:32rem;font-size:var(--text-lg);line-height:var(--leading-relaxed)}._actions_1rsoe_47{display:flex;flex-wrap:wrap;gap:var(--space-3);padding-top:var(--space-2)}@media (max-width: 767px){._header_1rsoe_8,._main_1rsoe_9{padding:0 var(--space-4)}._main_1rsoe_9{align-content:start;padding-top:var(--space-7);padding-bottom:var(--space-6)}._actions_1rsoe_47{display:grid;width:100%}}.dialog{width:min(28rem,calc(100% - var(--space-5)));max-height:calc(100% - var(--space-5));padding:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-3);color:var(--color-text)}.dialog::backdrop{background:var(--color-scrim)}.dialog[open]{animation:dialog-in .16s ease-out}.dialog__panel{display:grid;gap:var(--space-4);padding:var(--space-5)}.dialog__title{font-size:var(--text-xl)}.dialog__body{color:var(--color-text-muted);line-height:var(--leading-relaxed)}.dialog__actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:var(--space-3);padding-top:var(--space-2)}@media (max-width: 30rem){.dialog__actions>*{flex:1 1 100%}}@keyframes dialog-in{0%{opacity:0;transform:translateY(8px)}}.toast-region{position:fixed;right:var(--space-4);bottom:var(--space-4);left:var(--space-4);z-index:100;display:grid;justify-items:end;gap:var(--space-2);margin:0;padding:0;list-style:none;pointer-events:none}.toast{display:flex;align-items:flex-start;gap:var(--space-3);width:min(26rem,100%);padding:var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-2);pointer-events:auto;animation:toast-in .18s ease-out}.toast:before{flex:none;width:.5rem;height:.5rem;margin-top:.85rem;border-radius:50%;background:var(--color-text-muted);content:""}.toast--success:before{background:var(--color-success)}.toast--error:before{background:var(--color-danger)}.toast__message{flex:1;padding-top:.45rem;font-size:var(--text-sm);line-height:var(--leading-normal)}.toast__close{display:grid;flex:none;place-items:center;width:2rem;height:2rem;background:transparent;border:0;border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;transition:background var(--transition),color var(--transition)}.toast__close:hover{background:var(--color-surface-sunken);color:var(--color-text)}.toast__close svg{width:1rem;height:1rem;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}.checkbox{position:relative;display:inline-flex;align-items:center;gap:var(--space-3);min-height:var(--tap-target);cursor:pointer}.checkbox__input{position:absolute;width:1.25rem;height:1.25rem;margin:0;opacity:0;cursor:inherit}.checkbox__box{display:grid;flex:none;place-items:center;width:1.25rem;height:1.25rem;background:var(--color-surface);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-sm);transition:background var(--transition),border-color var(--transition),box-shadow var(--transition)}.checkbox__box svg{width:.875rem;height:.875rem;fill:none;stroke:var(--color-on-accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:0}.checkbox:hover .checkbox__input:not(:disabled)+.checkbox__box{border-color:var(--color-text-muted)}.checkbox__input:checked+.checkbox__box{background:var(--color-accent);border-color:var(--color-accent)}.checkbox__input:checked+.checkbox__box svg{opacity:1}.checkbox__input:focus-visible+.checkbox__box{outline:2px solid var(--color-focus);outline-offset:2px}.checkbox__input[aria-invalid=true]+.checkbox__box{border-color:var(--color-danger)}.checkbox__input:disabled+.checkbox__box{background:var(--color-surface-sunken);border-color:var(--color-border)}.checkbox__input:disabled:checked+.checkbox__box{background:var(--color-border-strong)}.checkbox__input:disabled~.checkbox__label{color:var(--color-text-muted)}.checkbox:has(.checkbox__input:disabled){cursor:not-allowed}.provider-button{gap:var(--space-3)}.button.provider-button--full{display:grid;grid-template-columns:1.25rem minmax(0,1fr) 1.25rem}.provider-button--full:before{content:""}.provider-button__label{text-align:center}.provider-button__mark{display:inline-flex;flex:none;align-items:center;justify-content:center;width:1.25rem;height:1.25rem}.button--sm.provider-button .provider-button__mark{width:1.125rem;height:1.125rem}.provider-logo{display:block;width:100%;height:100%}.telegram-login{display:flex;flex-direction:column;gap:var(--space-3);margin-bottom:var(--space-5)}.telegram-login__error{margin:0;color:var(--color-danger);font-size:var(--text-sm)}._shell_1ecrd_1{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}._shellSigned_1ecrd_8{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr)}._column_1ecrd_13{display:flex;flex-direction:column;min-width:0;min-height:100vh;min-height:100dvh}._sidebar_1ecrd_21{position:sticky;top:0;display:flex;flex-direction:column;gap:var(--space-6);height:100vh;height:100dvh;padding:var(--space-5) var(--space-3);border-right:1px solid var(--color-border)}._sidebar_1ecrd_21 ._logo_1ecrd_33{padding:0 var(--space-3)}._sideNav_1ecrd_37{display:grid;gap:2px}._header_1ecrd_42{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);width:100%;max-width:calc(var(--content-width) + var(--space-6) * 2);height:var(--bar-height);margin:0 auto;padding:0 var(--space-6)}._shellSigned_1ecrd_8 ._header_1ecrd_42{display:none}._logo_1ecrd_33{text-decoration:none}._navLink_1ecrd_62{display:flex;align-items:center;min-height:2.25rem;padding:0 var(--space-3);border-radius:var(--radius-md);color:var(--color-text-muted);font-size:var(--text-base);text-decoration:none;transition:background var(--transition),color var(--transition)}._navLink_1ecrd_62:hover{color:var(--color-text)}._navLinkActive_1ecrd_78,._navLinkActive_1ecrd_78:hover{background:var(--color-accent-soft);color:var(--color-text);font-weight:var(--weight-medium)}._user_1ecrd_85{display:grid;gap:var(--space-1);margin-top:auto;padding:0 var(--space-3);font-size:var(--text-sm)}._userName_1ecrd_93{overflow:hidden;font-weight:var(--weight-medium);text-overflow:ellipsis;white-space:nowrap}._textButton_1ecrd_100{justify-self:start;padding:0;border:0;background:none;color:var(--color-text-muted);cursor:pointer;font-size:var(--text-sm);text-decoration:none}._textButton_1ecrd_100:hover{color:var(--color-text);text-decoration:underline}._main_1ecrd_116{flex:1;width:100%;max-width:calc(var(--content-width) + var(--space-6) * 2);margin:0 auto;padding:var(--space-6) var(--space-6) var(--space-7)}._footer_1ecrd_124{width:100%;max-width:calc(var(--content-width) + var(--space-6) * 2);margin:0 auto;padding:0 var(--space-6);color:var(--color-text-muted);font-size:var(--text-sm)}._footerInner_1ecrd_133{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-4) 0 var(--space-5);border-top:1px solid var(--color-border)}._legalLinks_1ecrd_143{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-4);margin:0;padding:0;list-style:none}._legalLinks_1ecrd_143 a{color:inherit;text-decoration:none}._legalLinks_1ecrd_143 a:hover{color:var(--color-text);text-decoration:underline}._bottomNav_1ecrd_162{display:none}@media (max-width: 860px){._shellSigned_1ecrd_8{display:flex;padding-bottom:calc(var(--bar-height) + env(safe-area-inset-bottom))}._sidebar_1ecrd_21{display:none}._shellSigned_1ecrd_8 ._header_1ecrd_42{display:flex}._header_1ecrd_42{padding:0 var(--space-4)}._main_1ecrd_116{padding:var(--space-4) var(--space-4) var(--space-6)}._footer_1ecrd_124{padding:0 var(--space-4)}._bottomNav_1ecrd_162{position:fixed;right:0;bottom:0;left:0;z-index:10;display:flex;padding-bottom:env(safe-area-inset-bottom);background:var(--color-surface);border-top:1px solid var(--color-border)}._bottomNav_1ecrd_162 ._navLink_1ecrd_62{flex:1 1 0;justify-content:center;min-width:0;padding:0 var(--space-1);font-size:var(--text-sm);white-space:nowrap;height:var(--bar-height);border-radius:0}._bottomNav_1ecrd_162 ._navLinkActive_1ecrd_78,._bottomNav_1ecrd_162 ._navLinkActive_1ecrd_78:hover{background:transparent;box-shadow:inset 0 2px 0 var(--color-text)}}._notice_13j0z_1{display:grid;gap:var(--space-1);margin-bottom:var(--space-4);padding:var(--space-4);background:var(--color-accent);border-radius:var(--radius-md);color:var(--color-on-accent)}.cookie-notice{position:fixed;right:var(--space-4);bottom:var(--space-4);left:var(--space-4);z-index:20;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3) var(--space-5);max-width:44rem;margin:0 auto;padding:var(--space-3) var(--space-4);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);font-size:var(--text-sm)}.cookie-notice__text{flex:1 1 18rem}@media (max-width: 860px){.cookie-notice{bottom:calc(var(--bar-height) + var(--space-3) + env(safe-area-inset-bottom))}}.legal-update{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--space-3) var(--space-5);margin-bottom:var(--space-5);padding:var(--space-3) var(--space-4);background:var(--color-surface-sunken);border-radius:var(--radius-lg);line-height:var(--leading-normal)}.legal-update__text{display:grid;flex:1 1 20rem;gap:var(--space-2);max-width:44rem}.legal-update strong{font-weight:var(--weight-semibold)}.legal-update__note{color:var(--color-text-muted);font-size:var(--text-sm)}@media (max-width: 30rem){.legal-update .button{flex:1 1 100%}}.field{display:grid;gap:var(--space-2)}.field__label{font-size:var(--text-sm);font-weight:var(--weight-medium)}.field__hint,.field__error{font-size:var(--text-sm);line-height:var(--leading-normal)}.field__hint{color:var(--color-text-muted)}.field__error{color:var(--color-danger)}.input{width:100%;min-height:var(--tap-target);padding:0 var(--space-4);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);color:var(--color-text);font:inherit;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition)}.input::placeholder{color:var(--color-text-muted);opacity:.8}.input:hover:not(:disabled){border-color:var(--color-text-muted)}.input:focus-visible{outline:none;border-color:var(--color-text);box-shadow:0 0 0 3px var(--color-accent-soft)}.input[aria-invalid=true]{border-color:var(--color-danger)}.input[aria-invalid=true]:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb,var(--color-danger) 25%,transparent)}.input:disabled{background:var(--color-surface-sunken);border-color:var(--color-border);color:var(--color-text-muted);cursor:not-allowed}._panel_1utiv_1{display:grid;gap:var(--space-4);padding:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg)}._sectionTitle_1utiv_10{font-size:var(--text-xl)}._rows_1utiv_14{display:grid}._row_1utiv_14{display:grid;grid-template-columns:minmax(0,12rem) minmax(0,1fr);gap:var(--space-5);padding:var(--space-5) 0;border-top:1px solid var(--color-border)}._row_1utiv_14:first-child{border-top:0;padding-top:var(--space-2)}._row_1utiv_14:last-child{padding-bottom:0}._rowHead_1utiv_35{display:grid;align-content:start;gap:var(--space-1)}._rowTitle_1utiv_41{font-size:var(--text-base)}._rowBody_1utiv_45{display:grid;align-content:start;gap:var(--space-3);max-width:28rem}._muted_1utiv_52{color:var(--color-text-muted);font-size:var(--text-sm)}._alert_1utiv_57{color:var(--color-danger);font-size:var(--text-sm)}._form_1utiv_62{display:grid;gap:var(--space-4)}._linkForm_1utiv_67{display:grid;gap:var(--space-4);width:100%}._actions_1utiv_73{display:flex;flex-wrap:wrap;gap:var(--space-3)}._identities_1utiv_79{display:grid;gap:var(--space-4);margin:0;padding:0;list-style:none}._identity_1utiv_87{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}._identityInfo_1utiv_95{display:grid;flex:1 1 10rem;gap:var(--space-1);min-width:0;overflow-wrap:anywhere}._identityName_1utiv_103{font-weight:var(--weight-semibold)}._identityAction_1utiv_107{display:grid;justify-items:start;gap:var(--space-1)}._identityButtons_1utiv_113{display:flex;flex-wrap:wrap;gap:var(--space-2)}._dialogContent_1utiv_119{display:grid;gap:var(--space-4)}._confirmTelegram_1utiv_124{display:grid;justify-items:start;gap:var(--space-3)}@media (max-width: 860px){._panel_1utiv_1{padding:var(--space-4)}._row_1utiv_14{grid-template-columns:minmax(0,1fr);gap:var(--space-3)}}.telegram-notice{justify-self:stretch;margin:0;padding:var(--space-3) var(--space-4);background:var(--color-surface-sunken);border-radius:var(--radius-md);line-height:var(--leading-relaxed)}.processing .telegram-notice{background:var(--color-surface)}.telegram-notice--offer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-2) var(--space-4)}.telegram-notice--offer p{flex:1 1 18rem;margin:0}.telegram-notice__actions{display:flex;flex-wrap:wrap;align-items:flex-start;gap:var(--space-2)}.telegram-notice__actions a.button{text-decoration:none}.tabs{display:grid;gap:var(--space-4)}.tabs__list{display:flex;gap:var(--space-1);overflow-x:auto;border-bottom:1px solid var(--color-border);scrollbar-width:none}.tabs__tab{flex:none;min-height:var(--tap-target);padding:0 var(--space-4);margin-bottom:-1px;background:transparent;border:0;border-bottom:2px solid transparent;color:var(--color-text-muted);font-weight:var(--weight-medium);cursor:pointer;transition:color var(--transition),border-color var(--transition),background var(--transition)}.tabs__tab:hover{color:var(--color-text);background:var(--color-surface-sunken)}.tabs__tab[aria-selected=true]{color:var(--color-text);border-bottom-color:var(--color-text)}.tabs__tab:focus-visible{outline-offset:-2px}.tabs__panel{line-height:var(--leading-relaxed)}.progress{display:grid;gap:var(--space-2)}.progress__head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);font-size:var(--text-sm)}.progress__label{font-weight:var(--weight-medium)}.progress__value{font-variant-numeric:tabular-nums;color:var(--color-text-muted)}.progress__track{position:relative;height:.375rem;overflow:hidden;background:var(--color-surface-sunken);border-radius:var(--radius-pill)}.progress__bar{height:100%;background:var(--color-data);border-radius:var(--radius-pill);transition:width .24s ease}.progress__track--indeterminate .progress__bar{position:absolute;width:40%;animation:progress-slide 1.2s ease-in-out infinite}@keyframes progress-slide{0%{left:-40%}to{left:100%}}.add-lecture{color:var(--color-text);line-height:var(--leading-normal)}.add-lecture__form,.add-lecture__upload{display:grid;gap:var(--space-4)}.add-lecture__drop{position:relative;display:grid;gap:var(--space-1);align-content:center;min-height:7.5rem;padding:var(--space-5);background:var(--color-surface-sunken);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);cursor:pointer;transition:border-color var(--transition),background var(--transition)}.add-lecture__drop:hover{border-color:var(--color-text-muted)}.add-lecture__drop--active{background:var(--color-data-soft);border-color:var(--color-data)}.add-lecture__drop:focus-within{border-color:var(--color-focus)}.add-lecture__input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.add-lecture__input[aria-invalid=true]+.add-lecture__drop-title{color:var(--color-danger)}.add-lecture__drop-title{font-size:var(--text-lg);font-weight:var(--weight-semibold);overflow-wrap:anywhere}.add-lecture__drop-hint{color:var(--color-text-muted);font-size:var(--text-sm)}.add-lecture__file-name{font-weight:var(--weight-semibold);overflow-wrap:anywhere}.add-lecture__note{color:var(--color-text-muted);font-size:var(--text-sm)}.add-lecture__error{color:var(--color-danger);font-size:var(--text-sm)}.add-lecture__course{display:grid;gap:var(--space-2)}.add-lecture__select{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;cursor:pointer}.add-lecture__text-button{padding:0;background:none;border:0;color:var(--color-text);font:inherit;text-decoration:underline;cursor:pointer}.add-lecture__audio-only{display:flex;align-items:center;gap:var(--space-2)}.quota-plan{display:grid;gap:var(--space-4);color:var(--color-text);line-height:var(--leading-normal)}.quota-plan__lead strong{font-weight:var(--weight-semibold);font-variant-numeric:tabular-nums}.quota-plan__status{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3);color:var(--color-text-muted)}.quota-plan__alert{color:var(--color-danger)}.quota-plan__empty{display:grid;gap:var(--space-2)}.quota-plan__empty p{color:var(--color-text-muted)}.quota-plan__meter{display:grid;gap:var(--space-2);font-size:var(--text-sm)}.quota-plan__meter-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-1) var(--space-3);font-variant-numeric:tabular-nums;font-weight:var(--weight-medium)}.quota-plan__meter-note{color:var(--color-text-muted);font-weight:var(--weight-regular)}.quota-plan__meter--over .quota-plan__meter-note{color:var(--color-danger);font-weight:var(--weight-medium)}.quota-plan__track{height:.5rem;overflow:hidden;background:var(--color-surface-sunken);border-radius:var(--radius-pill)}.quota-plan__fill{height:100%;background:var(--color-data);border-radius:var(--radius-pill);transition:width .2s ease,background var(--transition)}.quota-plan__meter--over .quota-plan__fill{background:var(--color-danger)}.quota-plan__list{display:grid;gap:2px;max-height:min(18rem,40vh);margin:0;padding:0;overflow-y:auto;list-style:none}.quota-plan__row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-2);padding:0 var(--space-3) 0 var(--space-1);background:var(--color-surface-sunken);border-radius:var(--radius-md);transition:background var(--transition),box-shadow var(--transition)}.quota-plan__row--selected{background:var(--color-data-soft)}.quota-plan__row--dragging{position:relative;z-index:1;box-shadow:var(--shadow-2)}.quota-plan__handle{display:grid;place-items:center;width:2rem;height:var(--tap-target);padding:0;border:0;border-radius:var(--radius-sm);background:none;color:var(--color-text-muted);cursor:grab;touch-action:none}.quota-plan__row--dragging .quota-plan__handle{cursor:grabbing}.quota-plan__handle:hover:not(:disabled){color:var(--color-text)}.quota-plan__handle:focus-visible{outline:2px solid var(--color-focus);outline-offset:-2px}.quota-plan__handle:disabled{cursor:default;opacity:.5}.quota-plan__handle svg{width:1rem;height:1rem;fill:currentColor}.quota-plan__check{min-width:0;padding:var(--space-2) 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.quota-plan__local{gap:var(--space-1);margin-top:var(--space-1)}.quota-plan__local a{display:inline-block;margin-top:0;padding-block:var(--space-1);overflow-wrap:anywhere}.waiting-notice{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-5);padding:var(--space-3) var(--space-4);background:var(--color-surface-sunken);border-radius:var(--radius-lg)}.waiting-notice strong{font-weight:var(--weight-semibold)}@media (max-width: 30rem){.waiting-notice .button{flex:1 1 100%}.quota-plan__row{grid-template-columns:auto minmax(0,1fr)}.quota-plan__duration{grid-column:2;padding:0 0 var(--space-2) calc(1.25rem + var(--space-3));text-align:left}}.theme-toggle{display:inline-flex;padding:3px;gap:2px;background:var(--color-surface-sunken);border-radius:var(--radius-md)}.theme-toggle__option{min-height:2rem;padding:0 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10%,transparent);font-size:var(--text-sm)}.auth__row{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);font-size:var(--text-sm)}.auth__divider{display:flex;align-items:center;gap:var(--space-3);margin:var(--space-5) 0 var(--space-4);color:var(--color-text-muted);font-size:var(--text-sm)}.auth__divider:before,.auth__divider:after{flex:1;height:1px;background:var(--color-border);content:""}.auth-social{display:flex;flex-direction:column;gap:var(--space-3)}.auth__footer{margin-top:var(--space-5);color:var(--color-text-muted);font-size:var(--text-sm)}.auth__status{display:flex;align-items:center;gap:var(--space-3);margin-top:var(--space-5)}.auth__actions{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-5)}.auth__consents{display:grid;gap:var(--space-3)}.search{display:flex;flex-direction:column;gap:var(--space-3);min-height:0}.search__form{position:relative}.search__form .input{padding-right:calc(var(--space-4) + 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var(--transition)}.search__hit:hover{background:var(--color-accent-soft)}.search__hit:focus-visible{outline:2px solid var(--color-focus);outline-offset:-2px}.search__time{color:var(--color-data);font-weight:var(--weight-semibold);font-variant-numeric:tabular-nums;text-align:right}.search__content{display:grid;gap:var(--space-1);min-width:0}.search__lecture{font-weight:var(--weight-semibold);overflow-wrap:anywhere}.search__text{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow-wrap:anywhere}.search__description,.search__quote{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow-wrap:anywhere}.search__description{font-weight:var(--weight-medium)}.search__quote,.search__chapter{color:var(--color-text-muted);font-size:var(--text-xs);line-height:var(--leading-normal)}.search__chapter{overflow-wrap:anywhere}.search__text mark,.search__quote mark{border-radius:2px;background:var(--color-data-soft);color:inherit;font-weight:var(--weight-semibold)}.search__body--idle{display:none}.search--lecture{flex:1;gap:0}.search--lecture .search__form{padding:var(--space-3) var(--space-3) var(--space-2)}.search--lecture .search__spinner{right:calc(var(--space-3) * 2);margin-top:calc((var(--space-3) - var(--space-2)) / 2)}.search--lecture .search__body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:var(--space-2)}.search--lecture .search__note,.search--lecture .search__count,.search--lecture .search__error{padding:0 var(--space-1)}.search--course{max-width:44rem}.search--course .search__hit{padding-inline:var(--space-2)}.search--global{gap:var(--space-4)}.search--global .search__form{max-width:44rem}.search--global .search__body{gap:var(--space-4)}.search__groups{display:grid;gap:var(--space-6);max-width:52rem;transition:opacity var(--transition)}.search__group{display:grid;gap:var(--space-2)}.search__group-title{margin:0;font-size:var(--text-lg);overflow-wrap:anywhere}.search__group-title a{color:var(--color-text);text-decoration:none}.search__group-title a:hover{color:var(--color-data);text-decoration:underline}.search__hit--stacked{grid-template-columns:minmax(0,1fr);gap:var(--space-1);padding-inline:var(--space-2)}.search__place{color:var(--color-data);font-size:var(--text-sm);font-weight:var(--weight-semibold);font-variant-numeric:tabular-nums}.empty-state{display:grid;justify-items:start;gap:var(--space-3);padding:var(--space-6);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.empty-state__title{font-size:var(--text-xl)}.empty-state__description{max-width:32rem;color:var(--color-text-muted)}.empty-state__action{padding-top:var(--space-2)}.course{display:grid;gap:var(--space-5)}.course__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-4)}.course__heading{display:grid;gap:var(--space-1);min-width:0;max-width:40rem}.course__back{justify-self:start;margin-bottom:var(--space-2);color:var(--color-text-muted);font-size:var(--text-sm);text-decoration:none}.course__back:hover{color:var(--color-text);text-decoration:underline}.course__title{overflow-wrap:anywhere;font-size:var(--text-2xl)}.course__description{color:var(--color-text);line-height:var(--leading-normal);overflow-wrap:anywhere}.course__summary{color:var(--color-text-muted);font-size:var(--text-sm);font-variant-numeric:tabular-nums}.course__note{max-width:42rem;color:var(--color-warning);font-size:var(--text-sm)}.course__note--quiet{color:var(--color-text-muted)}.course__note a,.course__note-action{color:inherit;font-weight:600}.course__note-action{padding:0;border:0;background:none;font-size:inherit;text-decoration:underline;cursor:pointer}.course__note-action:disabled{cursor:default;opacity:.7}.course__actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-4)}.course__text-action{display:inline-flex;align-items:center;padding:0;border:0;background:none;color:var(--color-accent);cursor:pointer;font-size:var(--text-sm);font-weight:var(--weight-medium);text-decoration:none}.course__text-action:hover{color:var(--color-accent-hover);text-decoration:underline}.course__text-action--quiet{color:var(--color-text-muted)}.course__text-action--quiet:hover{color:var(--color-danger)}.course__text-action:focus-visible,.course-lecture__remove:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;border-radius:var(--radius-sm)}.course__error{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.course-lectures{margin:0;padding:0;list-style:none;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.course-lecture{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5)}.course-lecture+.course-lecture{border-top:1px solid var(--color-border)}.course-lecture__main{display:grid;flex:1;gap:var(--space-1);min-width:0}.course-lecture__title{overflow:hidden;color:var(--color-text);font-weight:var(--weight-medium);text-decoration:none;text-overflow:ellipsis;white-space:nowrap}.course-lecture__title:hover{color:var(--color-accent)}.course-lecture__title:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;border-radius:var(--radius-sm)}.course-lecture__meta{display:flex;flex-wrap:wrap;color:var(--color-text-muted);font-size:var(--text-sm);line-height:var(--leading-normal)}.course-lecture__meta>span+span:before{content:"·";padding:0 var(--space-2);color:var(--color-text-muted)}.course-lecture__duration{font-variant-numeric:tabular-nums}.course-lecture__status--processing{color:var(--color-accent)}.course-lecture__status--waiting_quota{color:var(--color-warning)}.course-lecture__status--failed{color:var(--color-danger)}.course-lecture__remove{flex:none;min-height:2.25rem;padding:0 var(--space-3);border:1px solid transparent;border-radius:var(--radius-md);background:none;color:var(--color-text-muted);cursor:pointer;font-size:var(--text-sm);transition:color var(--transition),border-color var(--transition)}.course-lecture__remove:hover:not(:disabled){border-color:var(--color-border-strong);color:var(--color-text)}.course-lecture__remove:disabled{cursor:default;opacity:.6}.course-skeleton{display:block;border-radius:var(--radius-sm);background:var(--color-surface-sunken)}.course-skeleton--title{width:min(20rem,70%);height:2.1rem}.course-skeleton--row{width:min(22rem,70%);height:1.5rem}.course-skeleton--meta{width:min(10rem,45%);height:1.3rem}.course-form{display:grid;gap:var(--space-4);color:var(--color-text)}.course-form__error{color:var(--color-danger);font-size:var(--text-sm)}.pick-lectures{display:grid;gap:var(--space-3);color:var(--color-text)}.pick-lectures__state{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-2);padding:var(--space-5) 0;color:var(--color-text-muted);text-align:center}.pick-lectures__list{max-height:min(22rem,50vh);margin:0;padding:0;overflow-y:auto;list-style:none;border:1px solid var(--color-border);border-radius:var(--radius-md)}.pick-lectures__item+.pick-lectures__item{border-top:1px solid var(--color-border)}.pick-lectures__item .checkbox{display:flex;padding:var(--space-2) var(--space-3)}.pick-lectures__label{display:grid;min-width:0}.pick-lectures__title{overflow-wrap:anywhere}.pick-lectures__meta{color:var(--color-text-muted);font-size:var(--text-sm);font-variant-numeric:tabular-nums}@media (max-width: 720px){.course{gap:var(--space-4)}.course__actions{width:100%;gap:var(--space-2) var(--space-4)}.course__actions .button{flex:1 1 100%;order:-1}.course__text-action{min-height:var(--tap-target)}.course-lectures{margin:0 calc(var(--space-4) * -1);border-inline:0;border-radius:0}.course-lecture{padding:var(--space-3) var(--space-2) var(--space-3) var(--space-4)}.course-lecture__title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;white-space:normal}.course-lecture__remove{min-height:var(--tap-target)}}a.course__text-action{text-decoration:none}.lecture-actions{position:relative;flex:0 0 auto}.lecture-actions__trigger{min-width:44px;min-height:44px}.lecture-actions__panel{position:absolute;z-index:5;top:100%;left:0;display:grid;width:max-content;max-width:calc(100vw - 16px);padding:var(--space-1);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-2)}.lecture-actions__panel .button{justify-content:flex-start;min-height:44px}.lecture-actions__delete,.lecture-actions__error{color:var(--color-danger)}.lecture-actions__form{display:grid;gap:var(--space-4)}.lecture-actions__description{overflow-wrap:anywhere}.lecture__title-row{display:flex;flex-wrap:wrap;align-items:flex-start;gap:var(--space-3)}.lecture__title-row .lecture__title{flex:1 1 18rem;min-width:0;overflow-wrap:anywhere}.lecture__title-row .lecture__title-actions{flex-shrink:1;flex-wrap:wrap;min-width:0}@media (min-width: 40rem){.lecture__title-row .lecture__title-actions{margin-left:auto}}.lecture-row__aside{display:flex;align-items:center;gap:var(--space-2)}@media (max-width: 40rem){.lecture-row__aside{flex-direction:column-reverse;align-items:flex-end;gap:0}}.lecture-courses{display:grid;gap:var(--space-4)}.lecture-courses__list{display:grid;min-width:0;margin:0;padding:0;border:0}.lecture-courses__legend{margin-bottom:var(--space-1);padding:0;font-weight:600}.lecture-courses__list .checkbox__label{overflow-wrap:anywhere}.lecture-courses__state{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}.home{display:grid;grid-template-columns:12rem minmax(0,1fr);grid-template-areas:"head head" "courses lectures";gap:var(--space-5) var(--space-6);align-items:start}.home__head{grid-area:head;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-4)}.home__heading{display:grid;gap:var(--space-1);min-width:0}.home__title{overflow-wrap:anywhere;font-size:var(--text-2xl)}.home__summary{color:var(--color-text-muted);font-size:var(--text-sm);font-variant-numeric:tabular-nums}.home__actions{display:flex;align-items:center;gap:var(--space-4)}.home__text-action{padding:0;border:0;background:none;color:var(--color-text);cursor:pointer;font-size:var(--text-sm);font-weight:var(--weight-medium);text-decoration:none}.home__text-action:hover{color:var(--color-data);text-decoration:underline}.home__lectures{grid-area:lectures;min-width:0}.home__error{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.course-filter{grid-area:courses;display:grid;gap:var(--space-2);min-width:0}.course-filter__title{padding:0 var(--space-3);color:var(--color-text-muted);font-size:var(--text-sm);font-weight:var(--weight-medium);letter-spacing:0}.course-filter__list{display:grid;grid-template-columns:minmax(0,1fr);gap:2px;margin:0;padding:0;list-style:none}.course-filter__item{display:flex;align-items:center;gap:var(--space-3);min-height:2.25rem;padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);color:var(--color-text);font-size:var(--text-sm);text-decoration:none;transition:background var(--transition)}.course-filter__item:hover{background:var(--color-accent-soft);color:var(--color-text)}.course-filter__item[aria-current=page]{background:var(--color-accent-soft);font-weight:var(--weight-medium)}.course-filter__item:focus-visible{outline:2px solid var(--color-focus);outline-offset:1px}.course-filter__new{width:100%;border:0;background:none;color:var(--color-text-muted);cursor:pointer;font:inherit;font-size:var(--text-sm)}.course-filter__name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-filter__count{color:var(--color-text-muted);font-variant-numeric:tabular-nums}.course-filter__note{padding:0 var(--space-3);color:var(--color-text-muted);font-size:var(--text-sm);line-height:var(--leading-normal)}.lecture-list{margin:0;padding:0;list-style:none;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.lecture-row{display:flex;align-items:flex-start;gap:var(--space-4);padding:var(--space-4) var(--space-5)}.lecture-row+.lecture-row{border-top:1px solid var(--color-border)}.lecture-row__main{display:grid;flex:1;gap:var(--space-1);min-width:0}.lecture-row__title{overflow:hidden;color:var(--color-text);font-size:var(--text-lg);font-weight:var(--weight-medium);letter-spacing:-.01em;text-decoration:none;text-overflow:ellipsis;white-space:nowrap}.lecture-row__title:hover{color:var(--color-data)}.lecture-row__title:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;border-radius:var(--radius-sm)}.lecture-row__meta{display:flex;flex-wrap:wrap;color:var(--color-text-muted);font-size:var(--text-sm);line-height:var(--leading-normal)}.lecture-row__meta>span+span:before{content:"·";padding:0 var(--space-2)}.lecture-row__duration{font-variant-numeric:tabular-nums}.lecture-row__progress{max-width:26rem;padding-top:var(--space-2)}.lecture-status{flex:none;padding:2px 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