@import url("https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&family=Merriweather:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700;1,900&display=swap");body{background:#fff;min-height:100vh}a,body{color:#262626}a{text-decoration:none}.header_main{box-shadow:0 4px 4px rgba(0,0,0,.25)}.header_main .container{font-weight:500;height:72px;justify-content:space-between}.header_main .acc,.header_main .container{display:flex;align-items:center}.header_main .user_img{margin-left:15px;width:48px;height:48px;border-radius:50%;background-color:#ccc}.footer_home{width:100%;background-color:#ececec;color:#000;padding:45px;margin-top:45px;text-align:center;z-index:2;position:relative}.container{max-width:1200px;margin-left:auto;margin-right:auto}.main_box{padding:30px;border:1px solid #e2e8f0;border-radius:8px}.create_form_top label{margin-right:15px}main{min-height:calc(100vh - (72px + 389px + 48px));padding:24px 0}.list_item_link{display:inline-block;white-space:nowrap}.list_main{overflow-x:auto;white-space:nowrap;max-width:100%;display:grid}.select_add_button{display:flex;justify-content:space-between}.input_box input{width:300px;height:50px;padding:0 10px}.input_box input,.select_box select{background:#f3f3f4;border-radius:10px}.select_box select{max-width:100px;width:100px;height:30px;text-align:center}.topic{display:block}.btn_green{display:flex;justify-content:center;align-items:center;font-weight:600;font-size:14px;line-height:20px;background:#15bd66;border-radius:10px;color:#fff;width:187px;height:40px;filter:drop-shadow(0 4px 4px rgba(0,0,0,.25));border:0}.btn_green svg{margin-left:10px}.btn_grey{font-weight:600;font-size:14px;line-height:20px;background:rgba(0,10,32,.05);border-radius:10px;color:rgba(38,38,38,.75);width:187px;height:40px;display:flex;align-items:center;justify-content:center;border:0}.check_btn{display:flex;justify-content:space-between;margin-top:30px}.btn_blue{background:#2962ff}.btn_blue,.btn_red{color:#fff;width:187px;height:40px;border-radius:10px;font-weight:600;display:flex;align-items:center;justify-content:center;line-height:20px;filter:drop-shadow(0 4px 4px rgba(0,0,0,.25));border:0}.btn_red{background:#dd2c00}.problem_header{display:flex;justify-content:space-between;align-items:flex-end}.problems_nav{display:flex;gap:10px;cursor:pointer}.view_toggle{justify-self:center;font-weight:600;font-size:14px;line-height:20px;background:rgba(0,10,32,.05);color:rgba(38,38,38,.75);width:300px;height:50px;filter:drop-shadow(0 4px 4px rgba(0,0,0,.25));justify-content:space-around}.view_toggle,.view_toggle span{border-radius:12px;display:flex;align-items:center}.view_toggle span{width:120px;height:35px;justify-content:center}.view_toggle .active{background-color:#fff}.problem_option,.problem_option_dashboard{display:flex}.problem_option label{margin-left:10px;display:flex}.problem_option .msg{margin-left:10px}.problem_option .msg.correct{color:#15bd66}.problem_option .msg.incorrect{color:#dd2c00}.span_option{margin:0 4px}.view_box{padding:20px 40px;background:#fff;border-radius:15px}.main_box_bg{background-color:#fcfcfc}.back_btn{cursor:pointer}.btn_dis{visibility:hidden}.view_box .problem_options{padding-left:40px}.view_box .problem_desc{margin:30px 0}.view_box .problem_option{margin-bottom:15px}.list_header,.list_item{display:grid;grid-template-columns:35px 1fr 100px 100px 50px 100px}.list_header_profile_history,.list_item_profile_history{display:grid;grid-template-columns:30px 30px 1fr 150px;white-space:pre-wrap}.list_header_show,.list_item_show{display:grid;grid-template-columns:35px 30px 1fr 140px 100px 100px}.list_header_show{white-space:pre-wrap}.list-header-span,.problem_stats_solved{display:flex;align-items:center}.problem_stats_solved svg{margin-right:4px}.list_item_show{cursor:pointer}h3{margin:10px 0}.list_header{border-bottom:1px solid #cfcece;padding:12px 8px;font-weight:600}.list_main .list_item{border-bottom:1px solid #dee2e6}.list_main .list_item:hover{background-color:#f1f3f5}.list_item{min-height:43px;align-items:center;padding:0 8px}.list_footer{display:flex;justify-content:flex-end;margin-top:30px}.items_show{background-color:#f7f8fa;padding:7px 10px;border-radius:5px}.list-sort{cursor:pointer;display:flex;position:relative}.list-sort:hover{color:#666}.list-sort:after,.list-sort:before{border:4px solid transparent;content:"";display:block;height:0;right:10px;top:50%;position:absolute;width:0}.list-sort:before{border-bottom-color:#000;margin-top:-9px}.list-sort:after{border-top-color:#000;margin-top:1px}.list-sort.ASC:after,.list-sort.DESC:before{visibility:hidden}.list-sort:hover:before{border-bottom-color:#666}.list-sort:hover:after{border-top-color:#666}.create_box{display:grid;grid-template-columns:1fr 1fr;padding:0 40px}.view_menu{display:grid;grid-template-columns:1fr 1fr 1fr;margin-bottom:15px}.create_form{padding-right:10px;border-right:1px solid #000}.create_form h3,.create_form label{font-weight:600}.create_form>div{margin-bottom:20px}.create_form_top{display:flex}.img_box_top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.img_styles{display:flex;gap:10px;flex-direction:column}.img_width input{width:70px}.img_copy_link{display:flex;gap:15px}.img_align .mantine-SegmentedControl-root{z-index:0}.title_box input{width:100%}.text_box textarea{display:block;background-color:#f3f3f4;width:100%;min-height:400px;padding:10px;border-radius:10px}.option_box{display:flex;margin-bottom:15px}.option_box textarea{display:block;background-color:#f3f3f4;width:100%;min-height:50px;padding:10px;margin-left:10px;border-radius:10px}.option_wrapper{margin:15px 0}.option_add button{background-color:#f3f3f4;border-radius:10px;padding:10px;display:flex;align-items:center}.option_add button svg{margin-left:10px}.actions_box{display:flex;gap:20px;justify-content:flex-end}.remove_solution{text-align:end}.solution_add{margin-top:10px;display:flex;gap:10px;justify-content:space-between}.add_box button{border-radius:10px;height:30px;display:flex;justify-content:center;align-items:center;padding:15px}.math_field{width:100%}.create_view{padding:0 10px}.equation_generator{display:flex;flex-direction:column}.latex_input{border:1px solid;width:100%;margin:10px 0}.latex_output{border:1px solid;padding:10px;border-radius:10px}.problem_title{font-weight:700;font-size:15px;line-height:18px}.diff_easy{color:#00af9b}.diff_medium{color:#ffeb3b}.diff_hard{color:#ff5252}.diff_easy .mantine-Badge-root{background-color:#37b24e40;color:#37b24d;text-transform:lowercase}.diff_medium .mantine-Badge-root{background-color:#f59f0040;color:#f59f00;text-transform:lowercase}.diff_hard .mantine-Badge-root{background-color:#f03e3e40;color:#f03e3e;text-transform:lowercase}.problem_meta{display:flex;gap:15px;align-items:center;margin:15px 0}.problem_dislike,.problem_like,.problem_share{display:flex;align-items:center;color:#686868;border-radius:5px;justify-content:space-evenly;cursor:pointer;padding:3px}.problem_status{display:flex}.toaster-copy{margin-top:78px}.problem_dislike:hover,.problem_like:hover,.problem_share:hover,.problem_topics span{background:rgba(0,10,32,.05)}.problem_topics span{font-weight:500;font-size:12px;line-height:20px;align-items:center;border-radius:24px;color:rgba(38,38,38,.75);padding:3px 12px;margin-right:5px}.problem_desc{margin:10px 0;font-size:14px}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6)}.modal-main{position:fixed;background:#fff;width:50%;min-width:550px;height:auto;top:50%;left:50%;transform:translate(-50%,-50%);padding:15px;display:flex;flex-direction:column;gap:10px}.modal-main .close-popup{position:absolute;right:2px;top:0}input.input-add-popup{min-width:500px}.confim-block{position:absolute;background-color:#fff;display:block;width:100%;height:auto;top:50%;left:50%;transform:translate(-50%,-50%);padding:15px;display:flex;flex-direction:column;gap:20px}.confirm-btns{display:flex;justify-content:space-between}.login_page{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-top:0;margin-bottom:0;height:100vh}.login_block{width:380px}.login_page h1{font-size:20px;margin-bottom:30px}.login_page .extra_btn_field,.login_page h1{text-align:center}.login_field{padding:7px 0;display:block!important}.login_field button{width:100%}.login_field label{font-weight:700}.login_page input{display:block!important}.password_field span{display:flex;justify-content:space-between}.login_field input{width:100%}.pin_block{width:300px}.pin_code{display:flex;justify-content:center;margin-bottom:20px}.pin_code input{border:none;width:48px;height:48px;font-size:36px;background-color:#f3f3f3;margin-right:5px}.extra_btn_field,.pin_code input{text-align:center}.extra_btn_field a{text-decoration:underline}.profile_page{display:grid;grid-template-columns:280px 1fr;gap:20px}.profile_history{padding:15px}.profile_sidebar{background-color:#fefefe;width:200px}.profile_first{display:flex;gap:10px}.profile_info{display:flex;flex-direction:column}.profile_photo{display:block;width:69px;height:69px;border-radius:3px;background-color:#eee}.profile_edit button{background:rgba(45,181,93,.08);border-radius:5px;color:#2db55d;width:100%;height:32px;margin-top:10px}.line{background-color:#d9d9d9;height:2px;margin:25px auto;width:85%}.header_1{font-size:18px}.stats_progress{display:flex;gap:15px;align-items:center;margin-bottom:10px}.stats_progress>span:first-child{min-width:60px}.stats_line{display:flex;flex-direction:column;flex-grow:1}.stats_bar{width:100%;height:20px;background-color:#f2f2f2;border-radius:4px;overflow:hidden}.stats_bar span{display:block;width:0;height:100%;transition:width .3s ease}.stats_easy .stats_bar span{background-color:#38a169}.stats_medium .stats_bar span{background-color:#ffeb3b}.stats_hard .stats_bar span{background-color:#ff5252}.user_stats_header{margin-bottom:18px}.stats_progress_wrapper{margin-bottom:16px;display:grid;grid-template-columns:100px 1fr;align-items:center}.progress_count span{color:#5e5e5e}.progress_bar span{font-size:14px}.stats_progress_total{font-size:16px}.profile_page{justify-content:center}.profile_history{display:flex;flex-direction:column}.header_landing,.home{margin-top:0;margin-bottom:0}.header_landing{justify-content:space-between;height:100px;width:100%;z-index:2;position:relative}.header_landing,.header_left{display:flex;align-items:center}.header_left{gap:25px}.header_right{display:flex;align-items:center}.hero .lang_switch button{color:#fff}a.all_tests{border:2px solid #e2e8f0;border-radius:6px}a.all_tests,a.leaderboard_nav{padding:10px;font-weight:600;display:inline-block}a.leaderboard_nav:hover{text-decoration:underline}.features{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;margin-top:0;margin-bottom:50px;z-index:9;color:#fff;position:relative}.feature h1{font-size:40px}.feature h3{font-size:2.2rem}.feature_text_splash h3 span:first-child{padding-bottom:2px;border-bottom:3px solid #00ca4e}.feature_text_splash h3 span:last-child{padding-bottom:2px;border-bottom:3px solid #ff605c}.feature{display:flex;flex-direction:column;justify-content:center;align-items:center;height:445px;position:relative;background:linear-gradient(hsla(0,0%,100%,.4),hsla(0,0%,100%,.3) 25%,hsla(0,0%,100%,.3) 50%,hsla(0,0%,100%,.3) 60%);box-shadow:inset 0 1px 1px 0 hsla(0,0%,100%,.1),0 50px 100px -20px rgba(50,50,93,.25),0 30px 60px -30px rgba(0,0,0,.3);border-radius:15px}.feature_text{width:80%}.features img{width:calc(1804px / 6.5);height:calc(902px / 6.5)}.cubes{display:flex;gap:10px}.cubes span{display:flex;justify-content:center;align-items:center;width:80px;height:80px;background-color:#00ca4e;border-radius:8px}.play_btn{position:absolute;top:40%;left:45%}.progr_video{position:absolute;width:calc(1804px / 6.5);height:6px;bottom:30px;left:0;right:0;margin:0 15px;background-color:grey}.progr_video span{display:block;width:70%;height:6px}.cubes span:first-child,.progr_video span{background-color:#ff605c}.hero{height:100vh;overflow:hidden}.hero,.hero_info{position:relative}.hero_info{flex-grow:1;z-index:2;display:flex;align-items:start;gap:30px;max-width:1200px;margin:100px auto 0;color:#fff}.hero_bg{top:0;height:100%;position:fixed;z-index:1}.header_links a{text-decoration:underline;margin-left:10px;color:#fff}.hero_left{flex-grow:2}.hero_right{flex-grow:1;position:relative;right:-100px}.hero_screen_second{position:absolute!important;top:100px;left:-100px}.feature_img_box,.hero_screen{padding:30px 15px 15px;border-radius:8px;position:relative;background:linear-gradient(hsla(0,0%,100%,.4),hsla(0,0%,100%,.3) 25%,rgba(246,249,252,.3) 50%,#f6f9fc 60%);box-shadow:inset 0 1px 1px 0 hsla(0,0%,100%,.1),0 50px 100px -20px rgba(50,50,93,.25),0 30px 60px -30px rgba(0,0,0,.3)}.hero_screen img{width:calc(2400px / 4.5);height:calc(990px / 4.5);aspect-ratio:auto;border-radius:8px}.mac_btns{position:absolute;top:7px;left:7px;display:flex;gap:5px}.mac_btns span{display:block;width:7px;height:7px;border-radius:50%}.mac_btns span:first-child{background-color:#ff605c}.mac_btns span:nth-child(2){background-color:#ffbd44}.mac_btns span:nth-child(3){background-color:#00ca4e}.logo{font-weight:700;color:#fff}.hero_right svg{animation-name:fig-animation;animation-fill-mode:forwards;animation-duration:4s;animation-iteration-count:infinite;position:relative;animation-delay:.2s}.hero_left{display:flex;flex-direction:column;align-items:flex-start}.lang_switch{margin-right:20px}@keyframes fig-animation{0%{transform:translateY(-15px)}50%{transform:translateY(15px)}to{transform:translateY(-15px)}}.hero_left .moto{font-size:69px;line-height:94px;font-weight:900;margin-bottom:32px}.hero_btn_scroll{z-index:2;position:absolute;bottom:50px;left:calc(50% - 98px)}.hero_btn{margin-top:20px}.hero_btn a{border:2px solid #fff;border-radius:3px;padding:10px;display:block;width:120px;text-align:center;color:#fff}.info{display:flex;justify-content:space-evenly}.exams{display:flex;flex-direction:column;text-align:center;background-color:#eee;padding:30px;width:100%!important;margin-top:15px!important}.exams h3{font-size:25px;margin-bottom:30px;font-weight:700;color:#898787}span.badge{font-size:10px!important}.info span.active{color:#898787}.info span{font-size:30px;font-weight:700;color:#ccc}.loader{width:28px;height:28px;margin-left:15px;border:5px solid;border-color:#fff #fff transparent;border-radius:50%;display:inline-block;box-sizing:border-box;animation:rotation 1s linear infinite;display:none}.loader.active{display:block}.select_box .subtopic,.select_box .topic{width:100%}.login_page .message_box{text-align:center;margin-bottom:15px}.message_box{color:#e34545;display:flex;flex-direction:column}.topics_list input{display:none}.topics_list{display:flex;flex-wrap:wrap;justify-content:space-between;position:relative}.topics_list label{margin-right:10px;margin-bottom:5px;padding:4px;display:block;border-radius:7px}.topics_list input:checked+label{background-color:#e0e0e0}.gradient-overlay{position:absolute;right:0;top:0;bottom:0;width:100%;background:linear-gradient(180deg,hsla(0,0%,100%,0),#fff);pointer-events:none}.items_pagination{display:flex}.items_pagination button,.items_pagination span{width:40px;height:40px;font-weight:500;line-height:20px;display:flex;align-items:center;justify-content:center;background:rgba(0,10,32,.05);border-radius:5px;color:rgba(38,38,38,.75);margin-right:10px;border:0}.items_pagination button{cursor:pointer}.items_pagination button.active{background:#2962ff;color:#fff}.edit_avatar{display:flex;align-items:center;gap:25px}.edit_avatar_dropdown{display:flex;flex-wrap:wrap;gap:.3%;justify-content:space-between;width:calc(95px * 3)!important}.edit_avatar_dropdown button{flex-basis:33%}.skeleton_me{width:150px;display:grid;grid-template-columns:100px 40px;gap:10px}.skeleton_problem_meta{display:flex;gap:20px}.skeleton_profile{display:block;width:200px}.switch{display:flex;justify-content:center}.profile_paper{position:relative}.edit_btn{position:absolute;right:10px;top:5px}.btn_prev_next,.edit_btn{cursor:pointer}.mantine-MultiSelect-inputField:not(:only-child)::placeholder{color:transparent}.leaderboard_cards{display:grid;grid-template-columns:264px 264px 264px;gap:7px;justify-content:center}.leaderboard_me{grid-column:2;margin-bottom:20px}.skeleton_leaderboard_me{margin:0 auto;width:264px}.leaderboard_card{border:1px solid #bebebe;padding:3px 6px;display:flex;height:48px;align-items:center;max-width:264px;gap:7px}.leaderboard_card .xp{flex-grow:1}.leaderboard_card .position{flex-shrink:0}.leaderboard_card .name_username{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drawer_menu{position:relative}.drawer_user{display:flex;align-items:center}.header_drawer{display:flex;flex-direction:column}.multi_select_search_xs{display:none}@keyframes rotation{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media only screen and (max-width:1230px){.container,.header_landing,.hero_info{padding:20px}.hero_screen img{width:calc(2400px / 5.5);height:calc(990px / 5.5)}.hero_left .moto{font-size:59px;line-height:84px}.features{padding:0 20px}.feature h1{font-size:35px}.feature h3{font-size:2rem}}.comments_header span{color:#898989;position:relative}.comment_box{display:flex;flex-direction:column;gap:15px}.comment_btn{align-self:flex-end}.comment_count{margin-right:10px;color:#717171}.hide_comments{margin-top:15px;display:flex;justify-content:flex-end}.section_divider{padding:20px 0}.comments{margin-top:15px}.commment{border-radius:3px;border:1px solid #eee;padding:8px;margin-bottom:17px}.comment_date{color:#717171;font-size:12px}.comment_meta{display:flex;align-items:center}.comment_user{margin:0 10px}.comment_content{padding:5px;margin-left:41px}.comment_footer{display:flex;justify-content:flex-end}@media only screen and (max-width:975px){.hero_left .moto{font-size:49px;line-height:74px}.feature h1{font-size:30px}.feature h3{font-size:1.7rem}}@media only screen and (max-width:900px){.hero_left{max-width:70%}.hero_right{display:none}.features{grid-template-columns:1fr}.feature{height:350px}}@media only screen and (max-width:680px){.hero_left{max-width:100%}.hero_left .moto{font-size:49px;line-height:74px}.list_header_show,.list_item_show{display:grid;grid-template-columns:35px 30px 200px 140px 100px 100px}.list_item_show{white-space:pre-wrap}.list_footer{justify-content:center}.prev_next_text{display:none}.btn_prev_next{width:45px}.btn_check{width:auto;padding:0 20px}.profile_page{grid-template-columns:1fr}.profile_history{padding:0}.list_item_profile_history{grid-template-columns:30px 30px 1fr 80px}.leaderboard_cards{grid-template-columns:1fr;justify-items:center}.leaderboard_card{width:100%}.leaderboard_me{grid-column:1;width:100%;justify-items:center}.multi_select_search_xs{max-width:125px;display:block}.multi_select_search_m .mantine-MultiSelect-dropdown{color:red}}@media only screen and (max-width:460px){.hero_info{margin-top:90px}.hero_left .moto{font-size:40px;line-height:64px}.feature h1{font-size:25px}.feature h3{font-size:1.2rem}}@media only screen and (max-width:420px){.features{display:flex;flex-direction:column}.cubes span{width:50px;height:50px}.feature .eqs{max-width:100%;text-align:center}.feature .eq svg{width:70%}.feature .mantine-Sparkline-root,.feature .sparkline{max-width:100%}}