._alertContainer_1nyce_9{position:fixed;top:calc(var(--header-height) + var(--space-md));right:var(--space-md);z-index:var(--z-index-popover);display:flex;flex-direction:column;gap:var(--space-sm);max-width:calc(100vw - var(--space-md) * 2);width:24rem;pointer-events:none}@media(max-width:48rem){._alertContainer_1nyce_9{right:var(--space-sm);width:calc(100vw - var(--space-sm) * 2)}}._alertContainer__hint_1nyce_33{pointer-events:auto;display:flex;justify-content:flex-end;padding:var(--space-xs) var(--space-sm);opacity:.7;transition:opacity var(--transition-fast)}._alertContainer__hint_1nyce_33:hover{opacity:1}._alertContainer__hintText_1nyce_46{font-size:var(--font-size-xs);color:var(--color-text-tertiary);display:flex;align-items:center;gap:var(--space-xs)}._alertContainer__hintText_1nyce_46 kbd{display:inline-block;padding:.125rem var(--space-sm);font-size:var(--font-size-xs);font-family:var(--font-family-mono);color:var(--color-text-primary);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-sm);box-shadow:0 .0625rem .125rem #0000001a}._alert_1nyce_9{position:relative;display:flex;align-items:flex-start;gap:var(--space-md);padding:var(--space-md);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-left-width:.25rem;border-radius:var(--border-radius-md);box-shadow:var(--shadow-lg);animation:_slideIn_1nyce_1 var(--transition-base);pointer-events:auto;overflow:hidden}._alert_1nyce_9:focus{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._alert__success_1nyce_95{border-left-color:var(--color-success)}._alert__success_1nyce_95 ._alert__icon_1nyce_99{color:var(--color-success)}._alert__error_1nyce_103{border-left-color:var(--color-error)}._alert__error_1nyce_103 ._alert__icon_1nyce_99{color:var(--color-error)}._alert__warning_1nyce_111{border-left-color:var(--color-warning)}._alert__warning_1nyce_111 ._alert__icon_1nyce_99{color:var(--color-warning)}._alert__info_1nyce_119{border-left-color:var(--color-info)}._alert__info_1nyce_119 ._alert__icon_1nyce_99{color:var(--color-info)}._alert__icon_1nyce_99{flex-shrink:0;display:flex;align-items:center;justify-content:center}._alert__content_1nyce_138{flex:1;min-width:0}._alert__message_1nyce_143{margin:0;color:var(--color-text-primary);font-size:var(--font-size-sm);line-height:var(--line-height-normal);word-wrap:break-word}._alert__close_1nyce_151{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;padding:0;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:color var(--transition-fast),background-color var(--transition-fast)}._alert__close_1nyce_151:hover{color:var(--color-text-primary);background-color:var(--color-surface-secondary)}._alert__close_1nyce_151:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._alert__progress_1nyce_182{position:absolute;bottom:0;left:0;height:.1875rem;background-color:var(--color-accent);animation:_progress_1nyce_1 linear}@keyframes _progress_1nyce_1{0%{width:100%}to{width:0%}}@keyframes _slideIn_1nyce_1{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media(max-width:48rem){._alertContainer__hint_1nyce_33{display:none}}._header_19z2l_10{position:sticky;top:0;left:0;right:0;height:var(--header-height);background-color:var(--color-surface);border-bottom:var(--border-width) solid var(--color-border);z-index:var(--z-index-sticky);transition:box-shadow var(--transition-base),background-color var(--transition-base)}._header__scrolled_19z2l_23{box-shadow:var(--shadow-md)}._header__container_19z2l_27{max-width:var(--container-xl);height:100%;margin:0 auto;padding:0 var(--space-md);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}._header__logo_19z2l_42{display:flex;align-items:center;font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);text-decoration:none;transition:color var(--transition-fast)}._header__logo_19z2l_42:hover{color:var(--color-accent)}._header__logoSVG_19z2l_56{height:var(--font-size-4xl);width:var(--font-size-4xl);margin-right:var(--space-xs)}._header__logoText_19z2l_62{display:inline-block}._header__nav_19z2l_70{display:none;flex:1}._header__navList_19z2l_75{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-lg);list-style:none}._header__navItem_19z2l_83{position:relative}._header__navLink_19z2l_87{display:block;padding:var(--space-sm) var(--space-md);color:var(--color-text-secondary);font-weight:var(--font-weight-medium);text-decoration:none;border-radius:var(--border-radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}._header__navLink_19z2l_87:hover{color:var(--color-accent);background-color:var(--color-surface-secondary)}._header__navLink_19z2l_87:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}@media(min-width:48rem){._header__nav_19z2l_70{display:block}}._header__themeToggle_19z2l_119{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;color:var(--color-text-secondary);background-color:transparent;border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:color var(--transition-fast),background-color var(--transition-fast)}._header__themeToggle_19z2l_119:hover{color:var(--color-accent);background-color:var(--color-surface-secondary)}._header__menuToggle_19z2l_144{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;color:var(--color-text-secondary);background-color:transparent;border:none;cursor:pointer;transition:color var(--transition-fast)}._header__menuToggle_19z2l_144:hover{color:var(--color-accent)}@media(min-width:48rem){._header__menuToggle_19z2l_144{display:none}}._header__mobileMenu_19z2l_173{position:fixed;top:var(--header-height);right:0;width:16rem;max-width:80vw;height:calc(100vh - var(--header-height));background-color:var(--color-surface);border-left:var(--border-width) solid var(--color-border);transform:translate(100%);transition:transform var(--transition-base);overflow-y:auto;z-index:var(--z-index-fixed)}._header__mobileMenu__open_19z2l_188{transform:translate(0)}._header__mobileMenuList_19z2l_192{padding:var(--space-md);list-style:none}._header__mobileMenuItem_19z2l_197{margin-bottom:var(--space-sm)}._header__mobileMenuLink_19z2l_201{display:block;padding:var(--space-md);color:var(--color-text-primary);font-weight:var(--font-weight-medium);text-decoration:none;border-radius:var(--border-radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}._header__mobileMenuLink_19z2l_201:hover{color:var(--color-accent);background-color:var(--color-surface-secondary)}._header__userInfo_19z2l_217{padding:var(--space-md);color:var(--color-text-secondary);font-size:var(--font-size-sm);text-align:center;border-top:var(--border-width) solid var(--color-border);margin-top:var(--space-md)}@media(min-width:48rem){._header__mobileMenu_19z2l_173{display:none}}._header__overlay_19z2l_237{position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background-color:#00000080;z-index:calc(var(--z-index-fixed) - 1);animation:_fadeIn_19z2l_1 var(--transition-base)}@media(min-width:48rem){._header__overlay_19z2l_237{display:none}}._footer_3f05q_5{min-height:var(--footer-height);background-color:var(--color-surface);border-top:var(--border-width) solid var(--color-border);margin-top:auto;transition:background-color var(--transition-base)}._footer__container_3f05q_13{max-width:var(--container-xl);margin:0 auto;padding:var(--space-xl) var(--space-md) var(--space-md)}._footer__content_3f05q_19{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);margin-bottom:var(--space-md)}@media(min-width:48rem){._footer__content_3f05q_19{flex-direction:row;justify-content:space-between}}._footer__copyright_3f05q_34{color:var(--color-text-secondary);font-size:var(--font-size-sm);text-align:center}@media(min-width:48rem){._footer__copyright_3f05q_34{text-align:left}}._footer__nav_3f05q_46{width:100%}@media(min-width:48rem){._footer__nav_3f05q_46{width:auto}}._footer__navList_3f05q_56{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);list-style:none}@media(min-width:48rem){._footer__navList_3f05q_56{flex-direction:row}}._footer__navLink_3f05q_74{color:var(--color-text-secondary);font-size:var(--font-size-sm);text-decoration:none;transition:color var(--transition-fast)}._footer__navLink_3f05q_74:hover{color:var(--color-accent)}._footer__analytics_3f05q_85{padding-top:var(--space-md);border-top:var(--border-width) solid var(--color-border);text-align:center}._footer__analyticsText_3f05q_91{color:var(--color-text-tertiary);font-size:var(--font-size-xs)}._footer__analyticsLink_3f05q_96{color:var(--color-accent);text-decoration:underline;transition:color var(--transition-fast)}._footer__analyticsLink_3f05q_96:hover{color:var(--color-accent-hover)}._breadcrumb_lk2d6_5{padding:var(--space-md) 0;margin-bottom:var(--space-lg)}._breadcrumb__list_lk2d6_10{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-xs);list-style:none}._breadcrumb__item_lk2d6_18{display:flex;align-items:center;gap:var(--space-xs)}._breadcrumb__link_lk2d6_24{display:flex;align-items:center;padding:var(--space-xs) var(--space-sm);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);text-decoration:none;border-radius:var(--border-radius-sm);transition:color var(--transition-fast),background-color var(--transition-fast)}._breadcrumb__link_lk2d6_24:hover{color:var(--color-accent);background-color:var(--color-surface-secondary)}._breadcrumb__link_lk2d6_24:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._breadcrumb__homeIcon_lk2d6_47{color:currentColor}._breadcrumb__text_lk2d6_51{max-width:12rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(min-width:48rem){._breadcrumb__text_lk2d6_51{max-width:20rem}}._breadcrumb__separator_lk2d6_64{color:var(--color-text-tertiary);flex-shrink:0}._breadcrumb__current_lk2d6_69{padding:var(--space-xs) var(--space-sm);color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);max-width:12rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(min-width:48rem){._breadcrumb__current_lk2d6_69{max-width:20rem}}._card_1r2bz_10{background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base),transform var(--transition-base);overflow:hidden}._card_1r2bz_10:hover{box-shadow:var(--shadow-md);transform:translateY(-.125rem)}._card__container_1r2bz_25{display:flex;flex-direction:column;min-height:16rem}@media(min-width:48rem){._card__container_1r2bz_25{flex-direction:row}}._card__left_1r2bz_41{flex:0 0 100%;padding:var(--space-lg);background-color:var(--color-surface-secondary);border-bottom:var(--border-width) solid var(--color-border)}@media(min-width:48rem){._card__left_1r2bz_41{flex:0 0 30%;border-bottom:none;border-right:var(--border-width) solid var(--color-border)}}._card__phrase_1r2bz_56{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--space-md);line-height:var(--line-height-tight)}._card__definition_1r2bz_64{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-normal);margin:0}._card__right_1r2bz_75{position:relative;flex:1;min-height:16rem;perspective:62.5rem}._card__flipContainer_1r2bz_82{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}._card__flipContainer__flipped_1r2bz_90{transform:rotateY(180deg)}._card__face_1r2bz_94{position:absolute;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden;padding:var(--space-lg);overflow-y:auto}._card__face_1r2bz_94[data-face=back]{transform:rotateY(180deg)}._card__section_1r2bz_108{display:flex;flex-direction:column;gap:var(--space-lg);height:100%}._card__label_1r2bz_119{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-sm)}._card__text_1r2bz_128{font-size:var(--font-size-base);color:var(--color-text-primary);line-height:var(--line-height-relaxed);margin:0}._card__quote_1r2bz_135{font-size:var(--font-size-lg);font-style:italic;color:var(--color-text-primary);line-height:var(--line-height-relaxed);margin:0;padding-left:var(--space-md);border-left:.25rem solid var(--color-accent)}._card__author_1r2bz_145{font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin:0}._card__flipButton_1r2bz_156{position:absolute;top:var(--space-md);right:var(--space-md);display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-full);color:var(--color-text-secondary);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast);z-index:10}._card__flipButton_1r2bz_156:hover{background-color:var(--color-accent);border-color:var(--color-accent);color:var(--color-white);box-shadow:var(--shadow-md)}._card__flipButton_1r2bz_156:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._card__flipIcon_1r2bz_188{transition:transform var(--transition-fast)}._card__flipButton_1r2bz_156:hover ._card__flipIcon_1r2bz_188{transform:rotate(180deg)}._card__actions_1r2bz_200{padding:var(--space-md) var(--space-lg);border-top:var(--border-width) solid var(--color-border);background-color:var(--color-surface)}._card__addButton_1r2bz_206{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);background-color:transparent;border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast)}._card__addButton_1r2bz_206:hover:not(:disabled){color:var(--color-white);background-color:var(--color-accent);border-color:var(--color-accent)}._card__addButton_1r2bz_206:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._card__addButton_1r2bz_206:disabled{opacity:.5;cursor:not-allowed}._comments_48k9a_5{margin-top:var(--space-3xl);padding-top:var(--space-3xl);border-top:var(--border-width) solid var(--color-border)}._comments__header_48k9a_11{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl);gap:var(--space-md);flex-wrap:wrap}._comments__title_48k9a_20{display:flex;align-items:center;gap:var(--space-md);font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}._comments__addButton_48k9a_30{padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-white);background-color:var(--color-accent);border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:background-color var(--transition-fast);white-space:nowrap}._comments__addButton_48k9a_30:hover{background-color:var(--color-accent-hover)}._comments__list_48k9a_47{display:flex;flex-direction:column;gap:var(--space-lg)}._comments__loading_48k9a_53,._comments__empty_48k9a_54{display:flex;align-items:center;justify-content:center;padding:var(--space-3xl);color:var(--color-text-secondary);text-align:center}._comments__loadMore_48k9a_63{padding:var(--space-md) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);background-color:transparent;border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);align-self:center;margin-top:var(--space-lg)}._comments__loadMore_48k9a_63:hover:not(:disabled){color:var(--color-accent);border-color:var(--color-accent)}._comments__loadMore_48k9a_63:disabled{opacity:.5;cursor:not-allowed}._comment_48k9a_5{display:flex;gap:var(--space-md);padding:var(--space-lg);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg)}._comment__avatar_48k9a_97{flex-shrink:0;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;background-color:var(--color-accent-light);color:var(--color-white);font-size:var(--font-size-sm);font-weight:var(--font-weight-bold);border-radius:var(--border-radius-full)}._comment__content_48k9a_111{flex:1;min-width:0}._comment__meta_48k9a_116{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);font-size:var(--font-size-sm);color:var(--color-text-secondary)}._comment__initials_48k9a_125{font-weight:var(--font-weight-medium)}._comment__separator_48k9a_129,._comment__date_48k9a_133{color:var(--color-text-tertiary)}._comment__text_48k9a_137{font-size:var(--font-size-base);color:var(--color-text-primary);line-height:var(--line-height-relaxed);margin:0;word-wrap:break-word}._commentForm_48k9a_146{display:flex;flex-direction:column;gap:var(--space-lg);padding:var(--space-xl);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);margin-bottom:var(--space-xl)}._commentForm__field_48k9a_157{display:flex;flex-direction:column;gap:var(--space-sm)}._commentForm__label_48k9a_163{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}._commentForm__input_48k9a_169,._commentForm__textarea_48k9a_170{width:100%;padding:var(--space-md);font-size:var(--font-size-base);color:var(--color-text-primary);background-color:var(--color-background);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);transition:border-color var(--transition-fast)}._commentForm__textarea_48k9a_170{resize:vertical;font-family:var(--font-family-base)}._commentForm__input_48k9a_169:focus,._commentForm__textarea_48k9a_170:focus{outline:none;border-color:var(--color-accent)}._commentForm__hint_48k9a_192{font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin:0}._commentForm__actions_48k9a_198{display:flex;gap:var(--space-md);justify-content:flex-end}._commentForm__cancelButton_48k9a_204,._commentForm__submitButton_48k9a_205{padding:var(--space-sm) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast)}._commentForm__cancelButton_48k9a_204{color:var(--color-text-secondary);background-color:transparent;border:var(--border-width) solid var(--color-border)}._commentForm__cancelButton_48k9a_204:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}._commentForm__submitButton_48k9a_205{display:inline-flex;align-items:center;gap:var(--space-sm);color:var(--color-white);background-color:var(--color-accent);border:none}._commentForm__submitButton_48k9a_205:hover:not(:disabled){background-color:var(--color-accent-hover)}._commentForm__cancelButton_48k9a_204:disabled,._commentForm__submitButton_48k9a_205:disabled{opacity:.5;cursor:not-allowed}._comments__error_48k9a_244{display:flex;align-items:center;justify-content:center;padding:var(--space-3xl);color:var(--color-text-secondary);text-align:center}._comments__error_48k9a_244 p{margin:0}._vocab_18ucy_5{padding:var(--space-xl) var(--space-md)}._vocab__container_18ucy_9{max-width:var(--container-lg);margin:0 auto}._vocab__loading_18ucy_14,._vocab__empty_18ucy_15{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;color:var(--color-text-secondary)}._vocab__header_18ucy_25{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-2xl)}@media(min-width:48rem){._vocab__header_18ucy_25{flex-direction:row;align-items:center;justify-content:space-between}}._vocab__title_18ucy_40{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}._vocab__addAllButton_18ucy_47{padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-white);background-color:var(--color-accent);border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:background-color var(--transition-fast);white-space:nowrap}._vocab__addAllButton_18ucy_47:hover{background-color:var(--color-accent-hover)}._vocab__addAllButton_18ucy_47:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._vocab__cards_18ucy_69{display:grid;gap:var(--space-lg)}@media(min-width:64rem){._vocab__cards_18ucy_69{gap:var(--space-xl)}}._subjectList_1cpwg_1{padding:var(--space-xl) var(--space-md);min-height:calc(100vh - var(--header-height) - var(--footer-height))}._subjectList__container_1cpwg_6{max-width:var(--container-lg);margin:0 auto}._subjectList__header_1cpwg_11{text-align:center;margin-bottom:var(--space-3xl)}._subjectList__title_1cpwg_16{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--space-md) 0}._subjectList__subtitle_1cpwg_23{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}._subjectList__grid_1cpwg_29{display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:var(--space-lg)}._subjectCard_1cpwg_35{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-2xl);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center;min-height:12rem}._subjectCard_1cpwg_35:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-.25rem)}._subjectCard__icon_1cpwg_57{color:var(--color-accent)}._subjectCard__title_1cpwg_61{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}._subjectList__loading_1cpwg_68,._subjectList__empty_1cpwg_69{display:flex;align-items:center;justify-content:center;min-height:20rem;color:var(--color-text-secondary);text-align:center}._subjectPage_y6y0e_1{padding:var(--space-xl) var(--space-md);min-height:calc(100vh - var(--header-height) - var(--footer-height))}._subjectPage__container_y6y0e_6{max-width:var(--container-lg);margin:0 auto}._subjectPage__header_y6y0e_11{margin-bottom:var(--space-3xl)}._subjectPage__title_y6y0e_15{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--space-sm) 0}._subjectPage__subtitle_y6y0e_22{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin:0}._subjectPage__grid_y6y0e_28{display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:var(--space-lg)}._categoryCard_y6y0e_34{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-xl);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center;min-height:10rem}._categoryCard_y6y0e_34:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-.25rem)}._categoryCard__icon_y6y0e_56{color:var(--color-accent)}._categoryCard__title_y6y0e_60{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}._subjectPage__loading_y6y0e_67,._subjectPage__empty_y6y0e_68{display:flex;align-items:center;justify-content:center;min-height:20rem;color:var(--color-text-secondary);text-align:center}._categoryPage_1xuj7_1{padding:var(--space-xl) var(--space-md);min-height:calc(100vh - var(--header-height) - var(--footer-height))}._categoryPage__container_1xuj7_6{max-width:var(--container-lg);margin:0 auto}._categoryPage__header_1xuj7_11{margin-bottom:var(--space-3xl)}._categoryPage__title_1xuj7_15{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--space-sm) 0}._categoryPage__subtitle_1xuj7_22{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0}._categoryPage__grid_1xuj7_28{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));gap:var(--space-lg)}._groupCard_1xuj7_34{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-xl);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center;min-height:9rem}._groupCard_1xuj7_34:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-.25rem)}._groupCard__icon_1xuj7_56{color:var(--color-accent)}._groupCard__title_1xuj7_60{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}._categoryPage__loading_1xuj7_67,._categoryPage__empty_1xuj7_68{display:flex;align-items:center;justify-content:center;min-height:20rem;color:var(--color-text-secondary);text-align:center}._groupPage_octbd_1{padding:var(--space-xl) var(--space-md);min-height:calc(100vh - var(--header-height) - var(--footer-height))}._groupPage__container_octbd_6{max-width:var(--container-lg);margin:0 auto}._groupPage__header_octbd_11{margin-bottom:var(--space-3xl)}._groupPage__title_octbd_15{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0 0 var(--space-sm) 0}._groupPage__subtitle_octbd_22{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0}._groupPage__grid_octbd_28{display:grid;grid-template-columns:repeat(auto-fill,minmax(12rem,1fr));gap:var(--space-lg)}._topicCard_octbd_34{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-lg);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center;min-height:8rem}._topicCard_octbd_34:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-.25rem)}._topicCard__icon_octbd_56{color:var(--color-accent)}._topicCard__title_octbd_60{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0;line-height:var(--line-height-tight)}._groupPage__loading_octbd_68,._groupPage__empty_octbd_69{display:flex;align-items:center;justify-content:center;min-height:20rem;color:var(--color-text-secondary);text-align:center}._topic_1mfkn_5{padding:var(--space-xl) var(--space-md);min-height:calc(100vh - var(--header-height) - var(--footer-height))}._topic__container_1mfkn_10{max-width:var(--container-lg);margin:0 auto}._topic__loading_1mfkn_15,._topic__empty_1mfkn_16{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;color:var(--color-text-secondary)}._topic__empty_1mfkn_16 h2{font-size:var(--font-size-2xl);color:var(--color-text-primary);margin-bottom:var(--space-md)}._topic__empty_1mfkn_16 p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin-bottom:var(--space-xl)}._topic__backButton_1mfkn_38{padding:var(--space-md) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-white);background-color:var(--color-accent);border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:background-color var(--transition-fast)}._topic__backButton_1mfkn_38:hover{background-color:var(--color-accent-hover)}._topic__header_1mfkn_54{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-2xl)}@media(min-width:48rem){._topic__header_1mfkn_54{flex-direction:row;align-items:center;justify-content:space-between}}._topic__title_1mfkn_69{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}._topic__addAllButton_1mfkn_76{padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-white);background-color:var(--color-accent);border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:background-color var(--transition-fast);white-space:nowrap}._topic__addAllButton_1mfkn_76:hover{background-color:var(--color-accent-hover)}._topic__addAllButton_1mfkn_76:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._topic__cards_1mfkn_98{display:grid;gap:var(--space-lg)}@media(min-width:64rem){._topic__cards_1mfkn_98{gap:var(--space-xl)}}._modal_fx3wc_5{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;padding:var(--space-md);z-index:var(--z-index-modal);animation:_fadeIn_fx3wc_1 var(--transition-base)}._modal__content_fx3wc_20{background-color:var(--color-background);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-xl);max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:_slideIn_fx3wc_1 var(--transition-base);width:100%}._modal__content__small_fx3wc_32{max-width:28rem}._modal__content__medium_fx3wc_36{max-width:40rem}._modal__content__large_fx3wc_40{max-width:60rem}._modal__header_fx3wc_44{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg) var(--space-xl);border-bottom:var(--border-width) solid var(--color-border)}._modal__title_fx3wc_52{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}._modal__close_fx3wc_59{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;padding:0;color:var(--color-text-secondary);background-color:transparent;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:all var(--transition-fast)}._modal__close_fx3wc_59:hover{color:var(--color-text-primary);background-color:var(--color-surface-secondary)}._modal__close_fx3wc_59:focus-visible{outline:var(--border-width-thick) solid var(--color-accent);outline-offset:.125rem}._modal__body_fx3wc_84{padding:var(--space-xl);overflow-y:auto;flex:1}._flashcards_1c6ds_5{padding:var(--space-xl) var(--space-md);min-height:calc(100vh - var(--header-height) - var(--footer-height));display:flex;justify-content:center;align-items:flex-start}._flashcards__container_1c6ds_13{max-width:var(--container-xl);width:100%;display:flex;flex-direction:column;align-items:center}._flashcards__loading_1c6ds_21{display:flex;justify-content:center;align-items:center;min-height:50vh;color:var(--color-text-secondary)}._flashcards__header_1c6ds_29{width:100%;display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-2xl);text-align:center}@media(min-width:48rem){._flashcards__header_1c6ds_29{text-align:left}}._flashcards__title_1c6ds_44{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin:0}._flashcards__authHint_1c6ds_51{background-color:var(--color-surface-secondary);padding:var(--space-md);border-radius:var(--border-radius-md);border-left:.25rem solid var(--color-accent);width:100%;max-width:40rem;margin:0 auto}._flashcards__authHint_1c6ds_51 p{margin:0;font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:center}._flashcards__linkButton_1c6ds_68{background:none;border:none;color:var(--color-accent);text-decoration:underline;cursor:pointer;font-size:inherit;padding:0;font-weight:var(--font-weight-medium)}._flashcards__linkButton_1c6ds_68:hover{color:var(--color-accent-hover)}._flashcards__empty_1c6ds_84{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;width:100%;max-width:40rem;padding:var(--space-2xl)}._flashcards__emptyIcon_1c6ds_96{font-size:4rem;margin-bottom:var(--space-lg)}._flashcards__empty_1c6ds_84 h2{font-size:var(--font-size-2xl);color:var(--color-text-primary);margin-bottom:var(--space-sm)}._flashcards__empty_1c6ds_84 p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin-bottom:var(--space-lg)}._flashcards__emptyNote_1c6ds_113{font-size:var(--font-size-sm);color:var(--color-text-tertiary);font-style:italic;margin-bottom:var(--space-2xl)}._flashcards__emptyActions_1c6ds_120{display:flex;gap:var(--space-md);flex-wrap:wrap;justify-content:center}._flashcards__stats_1c6ds_128{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:var(--space-lg);margin-bottom:var(--space-2xl);width:100%}._flashcards__statCard_1c6ds_136{background-color:var(--color-surface);padding:var(--space-xl);border-radius:var(--border-radius-lg);border:var(--border-width) solid var(--color-border);text-align:center}._flashcards__statValue_1c6ds_144{font-size:var(--font-size-4xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--space-sm);display:block}._flashcards__statValue__accent_1c6ds_152{color:var(--color-accent)}._flashcards__statLabel_1c6ds_156{font-size:var(--font-size-sm);color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;display:block}._flashcards__actions_1c6ds_165{display:flex;gap:var(--space-md);flex-wrap:wrap;justify-content:center;margin-bottom:var(--space-2xl);width:100%}._flashcards__primaryButton_1c6ds_174,._flashcards__secondaryButton_1c6ds_175,._flashcards__actionButton_1c6ds_176{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);position:relative;white-space:nowrap}._flashcards__primaryButton_1c6ds_174{color:var(--color-white);background-color:var(--color-accent);border:none}._flashcards__primaryButton_1c6ds_174:hover:not(:disabled){background-color:var(--color-accent-hover)}._flashcards__primaryButton_1c6ds_174:disabled{opacity:.5;cursor:not-allowed}._flashcards__secondaryButton_1c6ds_175,._flashcards__actionButton_1c6ds_176{color:var(--color-text-primary);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border)}._flashcards__secondaryButton_1c6ds_175:hover,._flashcards__actionButton_1c6ds_176:hover{border-color:var(--color-accent);color:var(--color-accent)}._flashcards__actionButton__secondary_1c6ds_218{background-color:transparent}._flashcards__badge_1c6ds_222{display:inline-flex;align-items:center;justify-content:center;min-width:1.5rem;height:1.5rem;padding:0 var(--space-xs);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);color:var(--color-white);background-color:var(--color-accent-hover);border-radius:var(--border-radius-full)}._flashcards__list_1c6ds_237{margin-top:var(--space-3xl);width:100%}._flashcards__listTitle_1c6ds_242{font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin-bottom:var(--space-xl);text-align:center}@media(min-width:48rem){._flashcards__listTitle_1c6ds_242{text-align:left}}._flashcards__grid_1c6ds_256{display:grid;grid-template-columns:repeat(auto-fill,minmax(20rem,1fr));gap:var(--space-lg);width:100%}._flashcardItem_1c6ds_264{background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-md);transition:all var(--transition-fast)}._flashcardItem_1c6ds_264:hover{box-shadow:var(--shadow-md);transform:translateY(-.125rem)}._flashcardItem__due_1c6ds_280{border-color:var(--color-accent);border-width:var(--border-width-thick)}._flashcardItem__content_1c6ds_285{flex:1}._flashcardItem__front_1c6ds_289{margin-bottom:var(--space-md)}._flashcardItem__title_1c6ds_293{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0;line-height:var(--line-height-normal)}._flashcardItem__topic_1c6ds_301{font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin-bottom:var(--space-sm)}._flashcardItem__meta_1c6ds_307{display:flex;gap:var(--space-md);align-items:center;font-size:var(--font-size-xs);color:var(--color-text-secondary)}._flashcardItem__badge_1c6ds_315{padding:var(--space-xs) var(--space-sm);background-color:var(--color-accent-light);color:var(--color-white);border-radius:var(--border-radius-sm);font-weight:var(--font-weight-medium)}._flashcardItem__actions_1c6ds_323{display:flex;gap:var(--space-sm);padding-top:var(--space-md);border-top:var(--border-width) solid var(--color-border)}._flashcardItem__button_1c6ds_330{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--space-sm);color:var(--color-text-secondary);background-color:transparent;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:all var(--transition-fast)}._flashcardItem__button_1c6ds_330:hover{color:var(--color-accent);background-color:var(--color-surface-secondary)}._flashcardForm_1c6ds_350{display:flex;flex-direction:column;gap:var(--space-lg)}._flashcardForm__field_1c6ds_356{display:flex;flex-direction:column;gap:var(--space-sm)}._flashcardForm__label_1c6ds_362{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary)}._flashcardForm__input_1c6ds_368,._flashcardForm__textarea_1c6ds_369{width:100%;padding:var(--space-md);font-size:var(--font-size-base);color:var(--color-text-primary);background-color:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius-md);transition:border-color var(--transition-fast)}._flashcardForm__textarea_1c6ds_369{resize:vertical;font-family:var(--font-family-base)}._flashcardForm__input_1c6ds_368:focus,._flashcardForm__textarea_1c6ds_369:focus{outline:none;border-color:var(--color-accent)}._flashcardForm__hint_1c6ds_391{font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin:0}._flashcardForm__actions_1c6ds_397{display:flex;gap:var(--space-md);justify-content:flex-end;margin-top:var(--space-md)}._flashcardForm__cancelButton_1c6ds_404,._flashcardForm__submitButton_1c6ds_405{padding:var(--space-sm) var(--space-xl);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast)}._flashcardForm__cancelButton_1c6ds_404{color:var(--color-text-secondary);background-color:transparent;border:var(--border-width) solid var(--color-border)}._flashcardForm__cancelButton_1c6ds_404:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}._flashcardForm__submitButton_1c6ds_405{color:var(--color-white);background-color:var(--color-accent);border:none}._flashcardForm__submitButton_1c6ds_405:hover:not(:disabled){background-color:var(--color-accent-hover)}._flashcardForm__cancelButton_1c6ds_404:disabled,._flashcardForm__submitButton_1c6ds_405:disabled{opacity:.5;cursor:not-allowed}._uploadModal_1c6ds_442{display:flex;flex-direction:column;gap:var(--space-xl)}._uploadModal__instructions_1c6ds_448{background-color:var(--color-surface-secondary);padding:var(--space-lg);border-radius:var(--border-radius-md)}._uploadModal__instructions_1c6ds_448 h3,._uploadModal__instructions_1c6ds_448 h4{font-size:var(--font-size-lg);color:var(--color-text-primary);margin-bottom:var(--space-md)}._uploadModal__instructions_1c6ds_448 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