/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.static{position:static}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.contents{display:contents}.hidden{display:none}.table{display:table}.resize{resize:both}.border{border-style:var(--tw-border-style);border-width:1px}}.logout-icon svg{display:block}.required-mark{color:#bd3939;margin-left:3px;font-weight:800}.social-auth{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;min-width:0;margin:22px 0 0;display:grid}.button-social{box-sizing:border-box;text-align:center;white-space:normal;overflow-wrap:anywhere;width:100%;min-width:0;min-height:48px;margin:0;padding:12px clamp(8px,1.5vw,14px);font-size:13px;line-height:1.25}.button-social svg{fill:currentColor;flex:none;width:19px;height:19px}.google-mark{color:#4285f4;font-size:18px;font-weight:800;line-height:1}.social-divider{color:var(--muted);align-items:center;gap:12px;margin:19px 0;font-size:12px;display:flex}.social-divider:before,.social-divider:after{content:"";background:var(--line);flex:1;height:1px}@media (width<=460px){.social-auth{grid-template-columns:1fr}}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}.hero.hero-modern{text-align:center;grid-template-columns:minmax(0,1fr);place-items:center;max-width:1480px;margin:0 auto;padding:clamp(72px,10vw,136px) clamp(24px,7vw,110px) 88px;display:grid}.hero.hero-modern:after{display:none}.hero-content{max-width:900px}.hero.hero-modern h1{letter-spacing:-.075em;max-width:760px;margin:22px 0 20px;font-size:clamp(50px,6vw,88px);line-height:1.12}.hero.hero-modern h1 em{color:var(--accent-ink);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:.16em;margin-top:.16em;padding:.08em .2em .12em;line-height:1.05;display:inline-block}.hero-modern .hero-copy{max-width:650px;margin:0 auto 28px;font-size:17px}.hero-modern .hero-actions{justify-content:center;gap:12px}.hero-modern .hero-actions .button{min-height:50px}.quiz-card .card-meta .arrow{margin-left:auto}.home-featured{padding-top:24px}.home-featured .section-head{margin-bottom:27px}.home-featured .section-head h2{letter-spacing:-.5px;max-width:650px;margin-top:10px;font-size:21px;line-height:1.25}.home-quiz-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.home-quiz-grid .quiz-card{min-width:0;min-height:0;box-shadow:none;border-radius:15px;gap:10px;padding:17px;transition:transform .22s,border-color .22s}.home-quiz-grid .quiz-card h3{letter-spacing:0;margin:0;font-size:15px;line-height:1.35}.home-quiz-grid .quiz-card p{color:var(--muted);margin:0;font-size:11px;line-height:1.45}.home-quiz-grid .quiz-card .card-meta{border-top:1px solid var(--line);padding-top:8px;font-size:10px}.steps.home-steps{background:var(--surface-2);border-radius:30px;margin:0 clamp(20px,6vw,96px) 84px;padding:clamp(25px,4vw,48px);scroll-margin-top:24px;display:block}.home-steps-heading{max-width:660px;margin-bottom:26px}.home-steps-heading h2{letter-spacing:-1.8px;margin:10px 0 0;font-size:clamp(28px,4vw,44px);line-height:1.08}.home-step-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.home-step{border:1px solid var(--line);background:var(--surface);border-radius:20px;min-width:0;padding:22px;transition:transform .22s,border-color .22s}.home-step:hover{border-color:#b4d620;transform:translateY(-3px)}.home-step .step-number{background:var(--accent);width:36px;height:36px;color:var(--accent-ink);border-radius:12px;justify-content:center;align-items:center;margin-bottom:17px;font-size:11px;display:inline-flex}.home-step h3{letter-spacing:-.5px;margin:0 0 8px;font-size:18px}.home-step p{color:var(--muted);margin:0;font-size:13px;line-height:1.55}[data-home-reveal]{opacity:0;transition:opacity .55s,transform .55s cubic-bezier(.2,.7,.25,1);transition-delay:var(--reveal-delay,0s);transform:translateY(18px)}[data-home-reveal].is-visible{opacity:1;transform:translateY(0)}@media (width<=920px){.hero.hero-modern{padding-left:clamp(24px,5vw,54px);padding-right:clamp(24px,5vw,54px)}.hero.hero-modern h1{font-size:clamp(48px,6.2vw,68px)}.home-quiz-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-quiz-grid .quiz-card:last-child:nth-child(odd){grid-column:1/-1}}@media (width<=700px){.hero.hero-modern{padding:60px 24px}.hero.hero-modern h1{max-width:620px;font-size:clamp(48px,10vw,70px)}.home-step-grid{grid-template-columns:1fr}.home-step{padding:20px}.steps.home-steps{margin:0 18px 55px;padding:25px}.home-steps-heading{margin-bottom:20px}}@media (width<=480px){.hero.hero-modern{padding:48px 20px}.hero.hero-modern h1{font-size:clamp(44px,12vw,58px)}.hero-modern .hero-actions{grid-template-columns:1fr;display:grid}.hero-modern .hero-actions .button{width:100%}.home-featured{padding-top:20px}.home-featured .section-head{align-items:start}.home-quiz-grid{grid-template-columns:1fr}.home-quiz-grid .quiz-card:last-child:nth-child(odd){grid-column:auto}}@media (prefers-reduced-motion:reduce){[data-home-reveal]{opacity:1;transition:none;transform:none}.home-step,.home-quiz-grid .quiz-card{transition:none}.home-step:hover,.home-quiz-grid .quiz-card:hover{transform:none}}.topbar .toolbar-menu{flex:1;justify-content:space-between;align-items:center;gap:24px;min-width:0;margin-left:clamp(24px,4vw,64px);display:flex}.topbar .toolbar-menu nav{align-items:center;gap:clamp(14px,2vw,26px);display:flex}.topbar .toolbar-menu-toggle{display:none}.user-home{padding-left:clamp(18px,5vw,38px);padding-right:clamp(18px,5vw,38px)}.topbar .brand-mark{background:#000;overflow:hidden}.brand-mark img{object-fit:contain;width:100%;height:100%;display:block}@media (width<=980px){.topbar.topbar{z-index:40;flex-wrap:wrap;align-content:normal;row-gap:0;height:auto;min-height:64px;padding:10px 17px;position:relative}.topbar.topbar .brand-group{order:0;margin-right:auto}.topbar.topbar .toolbar-menu-toggle{border-radius:12px;flex:0 0 40px;order:1;align-content:center;justify-items:center;gap:4px;width:40px;height:40px;margin-left:auto;display:grid}.toolbar-menu-toggle span{background:currentColor;border-radius:2px;width:17px;height:2px;transition:transform .18s,opacity .18s;display:block}.toolbar-menu-toggle[aria-expanded=true] span:first-child{transform:translateY(6px)rotate(45deg)}.toolbar-menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.toolbar-menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-6px)rotate(-45deg)}.topbar .toolbar-menu{z-index:40;overscroll-behavior:contain;border-bottom:1px solid var(--line);background:var(--bg);flex-direction:column;flex:0 0 100%;align-items:stretch;gap:0;max-height:calc(100dvh - 65px);margin:0;padding:8px 17px 18px;display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;overflow:visible;box-shadow:0 18px 32px #0002}.topbar .toolbar-menu.is-open{display:flex}.topbar .toolbar-menu nav{flex-direction:column;order:0;align-items:stretch;gap:0;width:100%;padding-bottom:8px;display:flex}.topbar .toolbar-menu nav a{border-bottom:1px solid var(--line);padding:12px 4px;font-size:14px}.topbar .toolbar-menu .top-actions{flex-wrap:wrap;order:0;align-items:center;gap:10px;padding-top:12px;display:flex}.topbar .toolbar-menu .top-actions>label{width:100%}.topbar .notification-wrap,.topbar .friend-widget{flex:none;width:auto;position:relative}.topbar .notification-panel,.topbar .friend-widget-panel{z-index:60;width:min(360px,100vw - 28px);max-height:min(64dvh,480px);margin:0;position:absolute;top:calc(100% + 9px);left:auto;right:0;box-shadow:0 18px 55px #0003}.topbar .notification-panel{overflow-y:auto}}@media (width<=520px){.catalog-page .catalog-filters{grid-template-columns:1fr}.user-home .user-home-section-heading{flex-direction:column;align-items:flex-start;gap:8px}.user-home .user-home-section-heading h2{font-size:21px}}.admin-page{max-width:1060px;margin:0 auto;padding:clamp(40px,7vw,88px) clamp(20px,5vw,48px) 100px}.admin-heading{max-width:720px;margin-bottom:clamp(34px,5vw,54px)}.admin-heading h1,.admin-message h1{letter-spacing:-.055em;margin:14px 0 12px;font-size:clamp(36px,5vw,56px);line-height:1.02}.admin-heading p,.admin-message p{max-width:620px;color:var(--muted);line-height:1.7}.admin-form{gap:20px;display:grid}.admin-panel,.admin-message,.admin-result{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:26px;padding:clamp(24px,4vw,40px)}.admin-panel{gap:28px;display:grid}.admin-upload-panel{background:linear-gradient(135deg,var(--surface),var(--surface-2));border-style:dashed}.admin-step{align-items:flex-start;gap:16px;display:flex}.admin-step>span{border:1px solid var(--line);background:var(--surface);width:38px;height:38px;color:var(--accent);border-radius:13px;flex:none;place-items:center;font-size:12px;font-weight:800;display:grid}.admin-step h2{letter-spacing:-.2px;margin:1px 0 6px;font-size:16px}.admin-step p{color:var(--muted);margin:0;font-size:13px;line-height:1.6}.admin-file-field{gap:10px;margin-left:54px;display:grid}.admin-file-field>label,.admin-form-row>div>label{font-size:13px;font-weight:750}.admin-panel .field{max-width:none;margin:0}.admin-panel input[type=file]{border:1px solid var(--line);background:var(--surface);border-radius:15px;width:100%;padding:14px;font-size:13px}.admin-form-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:28px;display:grid}.admin-form-row>div{align-content:start;gap:10px;display:grid}.admin-mode-help,.admin-file-help{color:var(--muted);font-size:11px;line-height:1.5}#import-mode{height:54px;padding:0 16px}.admin-checkbox{border:1px solid var(--line);background:var(--surface-2);border-radius:16px;align-items:center;gap:12px;width:100%;height:54px;min-height:54px;padding:0 14px;font-size:12px;line-height:1.35;display:flex}.admin-checkbox input{accent-color:#a2c400;flex:none;width:18px;height:18px;margin:0}.admin-submit-row{justify-content:space-between;align-items:center;gap:24px;padding:8px 2px;display:flex}.admin-submit-row>p{max-width:500px;color:var(--muted);margin:0;font-size:12px;line-height:1.6}.admin-submit{justify-self:start;min-width:220px;margin:0}.admin-result{margin-top:34px}.admin-result h2{letter-spacing:-.6px;margin:0 0 24px;font-size:23px}.admin-upload-another{margin-top:24px}.admin-result-id{background:var(--surface-2);border-radius:16px;grid-template-columns:auto minmax(0,1fr);gap:10px 22px;margin-bottom:24px;padding:18px;font-size:12px;display:grid}.admin-result-id span{color:var(--muted)}.admin-result-id strong{overflow-wrap:anywhere}.admin-result-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.admin-stat{border:1px solid var(--line);border-radius:16px;gap:9px;min-width:0;padding:17px;display:grid}.admin-stat span{color:var(--muted);font-size:11px;line-height:1.4}.admin-stat strong{overflow-wrap:anywhere;font-size:19px}.admin-message{max-width:650px;margin:0 auto}.admin-message .button{width:auto;margin-top:8px}.admin-panel .form-error{margin:0}.admin-dashboard-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px;display:flex}.admin-dashboard-heading h1{letter-spacing:-.05em;margin:0 0 8px;font-size:clamp(34px,5vw,52px);line-height:1.05}.admin-dashboard-heading p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.admin-summary-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:24px;display:grid}.admin-summary-card{border:1px solid var(--line);background:var(--surface);min-width:0;min-height:120px;box-shadow:var(--shadow);border-radius:18px;align-content:space-between;gap:24px;padding:18px;display:grid}.admin-summary-card span{color:var(--muted);font-size:11px;line-height:1.4}.admin-summary-card strong{letter-spacing:-1px;font-variant-numeric:tabular-nums;font-size:30px;line-height:1}.admin-topic-panel h2{letter-spacing:-.5px;margin:0 0 22px;font-size:20px}.admin-topic-list{gap:14px;display:grid}.admin-topic-row{grid-template-columns:minmax(150px,1fr) minmax(100px,1.2fr) 48px;align-items:center;gap:18px;display:grid}.admin-topic-name{gap:4px;min-width:0;display:grid}.admin-topic-name strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.admin-topic-name small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.admin-topic-bar{background:var(--surface-2);border-radius:99px;height:8px;overflow:hidden}.admin-topic-bar span{border-radius:inherit;background:var(--accent);height:100%;display:block}.admin-topic-count{text-align:right;font-variant-numeric:tabular-nums;font-size:13px}.admin-empty-topics{color:var(--muted);margin:0;font-size:13px}@media (width<=700px){.admin-form-row{grid-template-columns:1fr;gap:18px}.admin-file-field{margin-left:0}.admin-submit-row{flex-direction:column;align-items:stretch}.admin-submit{width:100%}.admin-result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=850px){.admin-summary-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=700px){.admin-dashboard-heading{flex-direction:column;align-items:stretch}.admin-dashboard-heading .button{width:100%}.admin-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-topic-row{grid-template-columns:minmax(0,1fr) minmax(70px,.7fr) 36px;gap:10px}.admin-topic-panel{padding:22px}}@media (width<=390px){.admin-summary-card{min-height:100px;padding:14px}.admin-summary-card strong{font-size:26px}.admin-topic-row{grid-template-columns:minmax(0,1fr) 72px 30px}.admin-topic-name strong{font-size:12px}}@media (width<=420px){.admin-result-grid{grid-template-columns:1fr}.admin-result-id{gap:8px 12px;padding:14px}.admin-panel,.admin-message,.admin-result{border-radius:20px}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f7f4;--surface:#fff;--surface-2:#f0f0ec;--text:#181916;--muted:#71736d;--line:#e5e6df;--accent:#d8fa37;--accent-ink:#182000;--shadow:0 16px 40px #2020100d;--radius:20px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#121310;--surface:#1b1c18;--surface-2:#24251f;--text:#f5f6ee;--muted:#a3a69a;--line:#34362e;--accent:#d8fa37;--accent-ink:#182000;--shadow:0 18px 40px #0004}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;transition:background .2s,color .2s}a{color:inherit;text-decoration:none}button,select,input{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #a4c600}.topbar{border-bottom:1px solid var(--line);background:var(--bg);justify-content:space-between;align-items:center;height:78px;padding:0 clamp(20px,6vw,96px);display:flex}.brand{letter-spacing:-1.1px;align-items:center;gap:8px;font-size:22px;font-weight:850;display:inline-flex}.brand-mark{background:var(--accent);width:30px;height:30px;color:var(--accent-ink);border-radius:10px;place-items:center;font-weight:900;display:grid}.brand-dot{color:#9abd00;margin-left:-8px}.topbar nav,.top-actions{align-items:center;gap:28px;display:flex}.topbar nav a,.top-actions a,footer div a{font-size:13px;font-weight:650}.topbar nav a:hover,.text-link:hover,footer a:hover{color:#8ba700}.top-actions{gap:18px}.top-actions select{color:var(--text);cursor:pointer;background:0 0;border:0;font-size:12px;font-weight:800}.icon-button{border:1px solid var(--line);background:var(--surface);width:36px;height:36px;color:var(--text);cursor:pointer;border-radius:50%}.text-link{color:var(--text);cursor:pointer;background:0 0;border:0;font-weight:650}.button{background:var(--accent);color:var(--accent-ink);cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:15px 22px;font-size:14px;font-weight:800;transition:transform .15s,filter .15s;display:inline-flex}.button:hover{filter:saturate(1.1);transform:translateY(-2px)}.button-small{padding:11px 16px;font-size:12px}.button-outline{color:var(--text);border:1px solid var(--line);background:0 0}main{min-height:calc(100vh - 170px)}.hero{padding:clamp(48px,9vw,118px) clamp(24px,11vw,170px) 76px;position:relative;overflow:hidden}.hero:after{content:"";background:var(--accent);opacity:.23;filter:blur(1px);z-index:-1;border-radius:50%;width:360px;height:360px;position:absolute;top:12%;right:9%}.eyebrow{color:var(--muted);letter-spacing:1.4px;text-transform:uppercase;align-items:center;gap:8px;font-size:11px;font-weight:800;display:inline-flex}.eyebrow:before{content:"";background:#a6c600;border-radius:50%;width:7px;height:7px}h1,h2,h3,p{margin-top:0}.hero h1{letter-spacing:-.075em;max-width:850px;margin:24px 0;font-size:clamp(48px,7.6vw,104px);line-height:.98}.hero h1 em{background:var(--accent);border-radius:9px;padding:0 .12em;font-style:normal}.hero-copy{color:var(--muted);max-width:490px;margin-bottom:30px;font-size:18px;line-height:1.65}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.section{padding:42px clamp(20px,6vw,96px) 80px}.section-head{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section h2{letter-spacing:-1.5px;margin:8px 0;font-size:32px}.section-head p{color:var(--muted);margin:0}.quiz-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.quiz-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-height:200px;box-shadow:var(--shadow);flex-direction:column;padding:23px;transition:transform .15s,border .15s;display:flex}.quiz-card:hover{border-color:#b4d620;transform:translateY(-3px)}.tag-row{flex-wrap:wrap;gap:7px;display:flex}.tag{letter-spacing:.3px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 9px;font-size:10px;font-weight:750}.quiz-card h3{letter-spacing:-.6px;margin:18px 0 8px;font-size:21px}.quiz-card p{color:var(--muted);margin-bottom:20px;font-size:13px;line-height:1.5}.card-meta{color:var(--muted);justify-content:space-between;margin-top:auto;font-size:11px;font-weight:700;display:flex}.arrow{color:var(--text);font-size:18px}.steps{background:var(--surface-2);border-radius:28px;grid-template-columns:repeat(3,1fr);gap:25px;margin:0 clamp(20px,6vw,96px) 84px;padding:35px;display:grid}.step-number{color:#91aa00;font-size:12px;font-weight:900}.steps h3{margin:14px 0 8px}.steps p{color:var(--muted);margin:0;font-size:13px;line-height:1.6}.search-row{gap:10px;margin:22px 0;display:flex}.field{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--text);border-radius:13px;padding:14px 16px}.search-row .field{max-width:430px}.filter-row{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.chip{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;padding:9px 13px;font-size:12px}.chip.active{background:var(--text);color:var(--bg);border-color:var(--text)}.empty,.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px}.empty{text-align:center;color:var(--muted)}.form-wrap{max-width:560px;margin:65px auto;padding:0 20px 50px}.form-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:34px}.form-card h1{letter-spacing:-1px;margin:10px 0;font-size:32px}.form-card>p{color:var(--muted);line-height:1.6}.form-card label{margin:18px 0 7px;font-size:12px;font-weight:750;display:block}.form-card .button{width:100%;margin-top:22px}.form-note{color:var(--muted);text-align:center;margin:18px 0 0;font-size:12px}.form-error,.notice{color:#bd3939;margin:14px 0;font-size:13px}.quiz-detail{max-width:850px;margin:60px auto;padding:0 20px}.quiz-detail h1{letter-spacing:-.055em;margin:20px 0;font-size:clamp(38px,6vw,64px)}.quiz-detail .description{color:var(--muted);font-size:17px;line-height:1.7}.quiz-facts{flex-wrap:wrap;gap:10px;margin:25px 0;display:flex}.quiz-facts span{background:var(--surface-2);border-radius:999px;padding:10px 13px;font-size:12px;font-weight:750}.quiz-run{max-width:850px;margin:35px auto;padding:0 20px 70px}.progress-track{background:var(--surface-2);border-radius:99px;height:7px;margin:16px 0 30px;overflow:hidden}.progress-track span{background:var(--accent);height:100%;transition:width .2s;display:block}.question-box{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(22px,5vw,42px)}.question-count{color:var(--muted);font-size:12px;font-weight:800}.question-box h1{letter-spacing:-1px;margin:18px 0 28px;font-size:clamp(24px,4vw,38px);line-height:1.22}.answers{gap:10px;display:grid}.answer-option{text-align:left;background:var(--bg);border:1px solid var(--line);color:var(--text);cursor:pointer;border-radius:13px;padding:16px}.answer-option:hover,.answer-option.selected{background:var(--accent);border-color:#9cba00}@supports (color:color-mix(in lab, red, red)){.answer-option:hover,.answer-option.selected{background:color-mix(in srgb,var(--accent) 17%,var(--surface))}}.quiz-nav{justify-content:space-between;align-items:center;margin-top:20px;display:flex}.result-score{letter-spacing:-4px;margin:12px 0;font-size:64px;font-weight:850}.result-item{border-bottom:1px solid var(--line);padding:16px 0}.result-item.correct strong{color:#709000}.result-item.incorrect strong{color:#bd3939}.settings-grid{grid-template-columns:1fr 1fr;gap:15px;margin:20px 0;display:grid}.setting-card{background:var(--surface-2);border-radius:14px;padding:18px}.setting-card label{margin-top:0}.setting-card select{margin-top:9px}.loading{color:var(--muted);justify-content:center;align-items:center;gap:10px;padding:90px;display:flex}.spinner{border:2px solid var(--line);border-top-color:#90aa00;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;padding:27px clamp(20px,6vw,96px);font-size:12px;display:flex}footer .brand{color:var(--text);font-size:18px}footer div{gap:18px;display:flex}footer div a{font-size:11px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}[hidden]{display:none!important}@media (width<=780px){.topbar{height:65px;padding:0 17px}.topbar nav{display:none}.top-actions{gap:10px}.top-actions .text-link{font-size:12px}.hero{padding:65px 23px 48px}.hero:after{width:210px;height:210px;top:9%;right:-40px}.hero-copy{font-size:16px}.quiz-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:1fr;gap:22px;margin:0 18px 55px;padding:25px}.section{padding:34px 18px 55px}.section-head{flex-direction:column;align-items:start}.form-wrap{margin-top:38px}.form-card{padding:25px}.settings-grid{grid-template-columns:1fr}footer{flex-wrap:wrap;gap:14px}footer>span{order:3;width:100%}}@media (width<=480px){.brand{font-size:19px}.top-actions{gap:7px}.top-actions .button-small{padding:10px 11px}.top-actions select{font-size:10px}.icon-button{width:32px;height:32px}.quiz-grid{grid-template-columns:1fr}.quiz-card{min-height:175px}.hero h1{font-size:52px}.search-row{flex-direction:column}.search-row .field{max-width:none}.quiz-nav .button{padding:13px 17px}footer div{margin-left:auto}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.leaderboard-page{max-width:1200px;margin:0 auto}.leaderboard-page .section-head{align-items:start}.leaderboard-page .section-head h1{letter-spacing:-2px;margin:12px 0 6px;font-size:clamp(34px,5vw,48px)}.leaderboard-page .section-head p{color:var(--muted);font-size:14px}.leaderboard-scopes{margin:28px 0 18px}.leaderboard-filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:760px;margin-bottom:22px;display:grid}.leaderboard-filters label{color:var(--muted);font-size:12px;font-weight:750}.leaderboard-filters .field{margin-top:7px;display:block}.leaderboard-you{background:var(--accent);align-items:center;gap:14px;margin-bottom:16px;padding:16px 18px;display:flex}@supports (color:color-mix(in lab, red, red)){.leaderboard-you{background:color-mix(in srgb,var(--accent) 14%,var(--surface))}}.leaderboard-you{border:1px solid var(--accent)}@supports (color:color-mix(in lab, red, red)){.leaderboard-you{border:1px solid color-mix(in srgb,var(--accent) 60%,var(--line))}}.leaderboard-you{border-radius:16px}.leaderboard-you img,.leaderboard-player img{object-fit:cover;background:var(--surface-2);border-radius:50%;flex:0 0 40px;width:40px;height:40px}.leaderboard-you span{gap:3px;min-width:0;display:grid}.leaderboard-you small{color:var(--muted);font-size:11px}.leaderboard-you strong{overflow-wrap:anywhere;font-size:14px}.leaderboard-you>b{white-space:nowrap;margin-left:auto;font-size:14px}.leaderboard-table-wrap{border:1px solid var(--line);background:var(--surface);border-radius:16px;overflow-x:auto}.leaderboard-table{border-collapse:collapse;text-align:left;width:100%;min-width:680px;font-size:13px}.leaderboard-table th,.leaderboard-table td{border-bottom:1px solid var(--line);padding:13px 16px}.leaderboard-table th{color:var(--muted);background:var(--surface-2);font-size:11px;font-weight:750}.leaderboard-table tbody tr:last-child td{border-bottom:0}.leaderboard-table tbody tr.is-current-user{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.leaderboard-table tbody tr.is-current-user{background:color-mix(in srgb,var(--accent) 10%,var(--surface))}}.leaderboard-player{align-items:center;gap:10px;min-width:150px;font-weight:750;display:flex}.leaderboard-table td:first-child{font-variant-numeric:tabular-nums;font-weight:800}.leaderboard-table td:last-child{font-variant-numeric:tabular-nums}.leaderboard-login{max-width:540px;margin:40px auto}.leaderboard-login h1{color:var(--text)}.leaderboard-login p{margin:0 0 20px}@media (width<=980px){.topbar{flex-wrap:wrap;align-content:center;row-gap:9px;height:auto;min-height:65px;padding:10px 17px}.topbar .brand-group{order:1}.topbar .top-actions{order:2;gap:9px}.topbar nav{flex:0 0 100%;order:3;justify-content:center;gap:20px;padding:3px 0 2px;display:flex}.topbar nav a{font-size:12px}.leaderboard-filters{grid-template-columns:1fr}}.friend-manager{border:1px solid var(--line);background:var(--surface);border-radius:18px;margin:0 0 28px;padding:22px}.friend-manager-heading h2{letter-spacing:-.5px;margin:0 0 5px;font-size:20px}.friend-manager-heading p{color:var(--muted);margin:0;font-size:12px}.friend-add-form{align-items:center;gap:10px;max-width:680px;margin:16px 0;display:flex}.friend-add-form .field{min-width:0}.friend-add-form .button{flex:none}.friend-feedback{color:var(--muted);margin:0 0 14px;font-size:13px}.friend-lists{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.friend-list{border-top:1px solid var(--line);min-width:0;padding-top:15px}.friend-list h3{margin:0 0 9px;font-size:13px}.friend-person{align-items:center;gap:9px;min-width:0;padding:7px 0;display:flex}.friend-person img{object-fit:cover;background:var(--surface-2);border-radius:50%;flex:0 0 32px;width:32px;height:32px}.friend-person strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;overflow:hidden}.friend-person .button{margin-left:auto;padding:7px 10px;font-size:10px}.friend-list-empty{color:var(--muted);margin:0;font-size:11px;line-height:1.45}.leaderboard-filters[hidden]{display:none!important}@media (width<=720px){.friend-lists{grid-template-columns:1fr}.friend-manager{padding:18px}.friend-add-form{flex-direction:column;align-items:stretch}.friend-add-form .button{width:100%}}.leaderboard-mobile-list,.leaderboard-show-more{display:none}@media (width<=720px){.leaderboard-page.section{padding-top:24px}.leaderboard-page .section-head{margin-bottom:16px}.leaderboard-page .section-head h1{margin:8px 0 4px;font-size:36px}.leaderboard-scopes{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin:16px 0 14px;display:grid}.leaderboard-scopes .chip{padding:10px 8px;font-size:12px}.leaderboard-you{gap:10px;margin-bottom:12px;padding:12px}.leaderboard-you img{flex-basis:36px;width:36px;height:36px}.leaderboard-you>b{font-size:12px}.leaderboard-table-wrap{display:none}.leaderboard-mobile-list{gap:7px;display:grid}.leaderboard-mobile-row{border:1px solid var(--line);background:var(--surface);border-radius:13px;grid-template-columns:34px 34px minmax(0,1fr) auto;align-items:center;gap:9px;min-height:58px;padding:8px 10px;text-decoration:none;display:grid}.leaderboard-mobile-row.is-current-user{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.leaderboard-mobile-row.is-current-user{border-color:color-mix(in srgb,var(--accent) 75%,var(--line))}}.leaderboard-mobile-row.is-current-user{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.leaderboard-mobile-row.is-current-user{background:color-mix(in srgb,var(--accent) 13%,var(--surface))}}.leaderboard-mobile-row>img{object-fit:cover;background:var(--surface-2);border-radius:50%;width:34px;height:34px}.leaderboard-mobile-rank{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px;font-weight:850}.leaderboard-mobile-person{gap:3px;min-width:0;display:grid}.leaderboard-mobile-person strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.leaderboard-mobile-person small{color:var(--muted);font-size:10px}.leaderboard-mobile-score{font-variant-numeric:tabular-nums;font-size:13px}.leaderboard-show-more{width:100%;margin-top:12px;padding:11px;display:flex}}.quiz-status{background:var(--surface);border:1px solid var(--line);color:var(--muted);border-radius:14px;justify-content:space-between;align-items:center;margin:22px 0 12px;padding:15px 18px;font-size:13px;display:flex}.quiz-status strong{color:var(--text);font-variant-numeric:tabular-nums}.timer{background:var(--surface-2);color:var(--text);font-variant-numeric:tabular-nums;border-radius:999px;padding:8px 12px}.timer.urgent{color:#b32626;background:#ffe4e4}.answer-option{transition:background .15s,border-color .15s,transform .15s;position:relative}.answer-option:not(:disabled):hover{transform:translateY(-1px)}.answer-option:disabled{cursor:default;opacity:1}.answer-option.answer-correct{color:#1c4d1c;background:#e8f6df;border-color:#579c39}.answer-option.answer-wrong{color:#792929;background:#fde7e7;border-color:#d35a5a}.answer-mark{float:right;font-size:20px;font-weight:900}.answer-feedback{margin:20px 0 0;font-size:14px}.answer-feedback.correct{color:#42862c}.answer-feedback.incorrect{color:#bc3939}.quiz-nav .button:disabled{opacity:.42;cursor:not-allowed;transform:none}.confetti-layer{pointer-events:none;z-index:20;position:fixed;inset:0;overflow:hidden}.confetti-layer i{left:var(--x);background:var(--color);width:9px;height:14px;animation:confetti-fall 1.1s var(--delay) ease-in forwards;border-radius:2px;position:absolute;top:-14px}.confetti-layer i:nth-child(3n){border-radius:50%;width:8px;height:8px}.confetti-layer i:nth-child(2n){transform:rotate(45deg)}@keyframes confetti-fall{to{opacity:.1;transform:translate(20px,105vh)rotate(680deg)}}.hero:after{display:none}.hero h1 em{color:var(--accent-ink)}.profile-page{max-width:920px;margin:0 auto}.profile-heading{margin:8px 0 30px}.profile-heading h2{letter-spacing:-2px;margin:15px 0 4px;font-size:clamp(34px,5vw,48px)}.profile-heading p{color:var(--muted);margin:0}.profile-education{padding:clamp(22px,4vw,34px)}.profile-education h3,.profile-statistics h3{letter-spacing:-.6px;margin:0 0 18px;font-size:22px}.profile-education .settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:0}.profile-education .setting-card{background:var(--bg);border:1px solid var(--line)}.profile-education label{margin-bottom:8px;font-size:12px;font-weight:750;display:block}.profile-education select{margin-top:0}.profile-education .button{margin-top:6px}.profile-education .form-note{margin:0 0 0 14px;display:inline-block}.profile-statistics{margin-top:38px}.profile-stats{gap:12px;display:grid}.profile-stat{background:var(--surface);border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);border-radius:16px;flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;padding:20px;display:flex}.profile-stat span{color:var(--muted);font-size:12px;font-weight:700;line-height:1.4}.profile-stat strong{letter-spacing:-1.5px;font-size:32px;font-weight:850;line-height:1}.profile-stat small{font-size:12px;font-weight:700}.profile-stat-total{background:var(--accent);min-height:142px;color:var(--accent-ink);border:0;flex-direction:row;justify-content:flex-start;align-items:baseline;gap:14px;padding:24px}.profile-stat-total span{color:inherit;font-size:14px;font-weight:800}.profile-stat-total strong{letter-spacing:-3px;font-size:clamp(44px,6vw,60px)}.profile-stat-total small{font-size:14px;font-weight:750}.profile-stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}@media (width<=780px){.profile-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=480px){.profile-education .settings-grid{grid-template-columns:1fr}.profile-stat-total{gap:10px;min-height:110px;padding:20px}}.profile-form{gap:18px;display:grid}.profile-identity,.profile-education{padding:clamp(22px,4vw,34px)}.profile-identity h3{letter-spacing:-.6px;margin:0 0 22px;font-size:22px}.identity-grid{grid-template-columns:minmax(220px,.85fr) minmax(0,1.15fr);gap:clamp(24px,5vw,54px);display:grid}.avatar-picker{flex-direction:column;align-items:flex-start;display:flex}.avatar-preview{object-fit:cover;border:4px solid var(--surface);width:104px;height:104px;box-shadow:0 0 0 1px var(--line);border-radius:50%;margin-bottom:18px}.avatar-picker>div:nth-child(2) strong{font-size:15px}.avatar-picker>div:nth-child(2) p{color:var(--muted);margin:5px 0 14px;font-size:12px}.avatar-options{grid-template-columns:repeat(3,44px);gap:9px;margin-bottom:16px;display:grid}.avatar-choice{cursor:pointer;position:relative;margin:0!important;display:block!important}.avatar-choice input{opacity:0;width:1px;height:1px;position:absolute}.avatar-choice img,.avatar-custom span{object-fit:cover;border:2px solid #0000;border-radius:50%;width:44px;height:44px;transition:border-color .15s,transform .15s;display:grid}.avatar-choice input:checked+img,.avatar-custom input:checked+span{border-color:#91aa00;transform:scale(1.06)}.avatar-choice input:focus-visible+img,.avatar-custom input:focus-visible+span{outline-offset:3px;outline:3px solid #a4c600}.avatar-custom span{background:var(--surface-2);color:var(--text);place-items:center;font-size:25px;font-weight:500}.upload-label,.identity-fields label{margin:14px 0 7px;font-size:12px;font-weight:750;display:block}.avatar-upload{padding:10px;font-size:12px}.avatar-picker small,.identity-fields small{color:var(--muted);margin-top:6px;font-size:11px;line-height:1.45;display:block}.identity-fields .field{margin-bottom:2px}.identity-fields label:first-child{margin-top:0}.profile-save-row{align-items:center;gap:16px;display:flex}.profile-save-row .form-note{text-align:left;margin:0}.profile-save-row .button:disabled{opacity:.42;cursor:not-allowed;filter:grayscale(.3);transform:none}.profile-education h3{letter-spacing:-.6px;margin:0 0 18px;font-size:22px}.profile-education .settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media (width<=620px){.identity-grid{grid-template-columns:1fr}.avatar-picker{align-items:flex-start}.profile-save-row{flex-direction:column;align-items:flex-start;gap:8px}}.profile-education .setting-card{min-width:0}.profile-education select.field{text-overflow:ellipsis;min-width:0}.program-selected-name{color:var(--muted);overflow-wrap:anywhere;margin-top:9px;font-size:12px;line-height:1.45;display:block}.nickname-availability{margin-top:6px;font-size:12px;line-height:1.4}.nickname-availability.checking{color:var(--muted)}.nickname-availability.available{color:#397a28}.nickname-availability.taken,.nickname-availability.error{color:#b32626}.profile-toolbar{white-space:nowrap;align-items:center;gap:8px;max-width:160px;font-size:12px;font-weight:750;display:inline-flex}.profile-toolbar img{object-fit:cover;border:1px solid var(--line);border-radius:50%;flex:0 0 32px;width:32px;height:32px;display:block}.profile-toolbar span{text-overflow:ellipsis;overflow:hidden}.profile-toolbar:hover{color:#8ba700}@media (width<=480px){.profile-toolbar{gap:5px;max-width:84px}.profile-toolbar img{flex-basis:28px;width:28px;height:28px}.profile-toolbar span{max-width:50px;font-size:11px}}.brand-admin{background:var(--accent);color:var(--accent-ink);letter-spacing:.7px;border-radius:999px;align-items:center;margin-left:0;padding:5px 8px;font-size:9px;font-weight:850;line-height:1;display:inline-flex}.question-image{object-fit:contain;border-radius:14px;width:auto;max-width:100%;max-height:min(52vh,460px);margin:0 auto 24px;display:block}.answer-image{object-fit:contain;border-radius:10px;width:auto;max-width:min(100%,240px);max-height:180px;margin:12px auto 0;display:block}html[data-theme=dark] .question-image,html[data-theme=dark] .answer-image{mix-blend-mode:multiply}.brand-group{align-items:center;gap:12px;display:inline-flex}.brand-admin:hover{filter:saturate(1.15);transform:translateY(-1px)}#logout{color:#ff3158;justify-content:center;align-items:center;display:inline-flex}#logout svg{flex:none;width:18px;height:18px;display:block;transform:translate(1px)}.notification-wrap{position:relative}.notification-toggle{place-items:center;display:grid;position:relative}.notification-toggle svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.notification-count{color:#fff;background:#ff3158;border-radius:20px;place-items:center;min-width:17px;height:17px;padding:0 4px;font-size:9px;font-weight:850;line-height:1;display:grid;position:absolute;top:-4px;right:-4px}.notification-count[hidden]{display:none}.notification-panel{z-index:20;border:1px solid var(--line);background:var(--surface);width:min(360px,100vw - 28px);max-height:min(70vh,520px);color:var(--text);border-radius:16px;position:absolute;top:calc(100% + 12px);right:0;overflow:auto;box-shadow:0 18px 55px #0002}.notification-panel[hidden]{display:none}.notification-panel>header{background:var(--surface);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:15px 16px;display:flex;position:sticky;top:0}.notification-panel>header strong{font-size:14px}.notification-panel>header button,.notification-item button,.notification-item a{color:var(--accent-ink);font:inherit;cursor:pointer;background:0 0;border:0;font-size:11px;font-weight:800}.notification-item{border-bottom:1px solid var(--line);gap:7px;padding:14px 16px;font-size:12px;line-height:1.45;display:grid}.notification-item.unread{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.notification-item.unread{background:color-mix(in srgb,var(--accent) 10%,var(--surface))}}.notification-item small{color:var(--muted);font-size:10px}.notification-item button,.notification-item a{justify-self:start;padding:0;text-decoration:none}.notification-empty{color:var(--muted);margin:0;padding:20px 16px;font-size:12px}.user-home,.catalog-page{max-width:1180px;margin:0 auto}.user-home-heading,.user-home-section-heading{justify-content:space-between;align-items:end;gap:20px;display:flex}.user-home-heading{margin:18px 0 44px}.user-home-heading h1{letter-spacing:-2px;margin:12px 0 6px;font-size:clamp(34px,5vw,54px)}.user-home-heading p{color:var(--muted);margin:0;font-size:14px}.user-home-section{margin:0 0 40px}.user-home-section-heading{margin-bottom:17px}.user-home-section-heading h2{letter-spacing:-.7px;margin:0;font-size:24px}.home-topic-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.home-topic-card{border:1px solid var(--line);background:var(--surface);min-height:168px;box-shadow:var(--shadow);border-radius:18px;flex-direction:column;justify-content:space-between;align-items:flex-start;gap:12px;padding:20px;transition:transform .2s,border-color .2s;display:flex;position:relative}.home-topic-card:hover{border-color:var(--accent);transform:translateY(-4px)}.home-topic-card h3{letter-spacing:-.4px;margin:auto 0 0;font-size:19px;line-height:1.2}.home-topic-card p{color:var(--muted);margin:0;font-size:11px}.home-topic-card .eyebrow{font-size:9px}.home-topic-card .arrow{color:var(--accent-ink);font-size:18px;position:absolute;bottom:18px;right:18px}.home-empty{justify-content:space-between;align-items:center;gap:18px;padding:22px;display:flex}.home-empty p,.home-empty-copy{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.home-friend-grid,.home-challenge-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.home-friend-card,.home-challenge-card{border:1px solid var(--line);background:var(--surface);border-radius:15px;min-width:0;padding:15px}.home-friend-person{align-items:center;gap:10px;margin-bottom:12px;display:flex}.home-friend-person img{object-fit:cover;background:var(--surface-2);border-radius:50%;flex:0 0 36px;width:36px;height:36px}.home-friend-person strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.home-challenge-form{gap:8px;display:flex}.home-challenge-form .field{min-width:0}.home-challenge-form .button{flex:none}.home-empty-copy a{font-weight:800}.home-challenge-card{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.home-challenge-card h3{margin:5px 0;font-size:15px}.home-challenge-card small{width:100%;color:var(--muted);font-size:11px}.home-challenge-card.is-complete{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.home-challenge-card.is-complete{border-color:color-mix(in srgb,var(--accent) 65%,var(--line))}}.catalog-filters{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0 30px;display:grid}.catalog-filters label{color:var(--muted);gap:7px;font-size:12px;font-weight:750;display:grid}.catalog-filters .field{min-width:0}.catalog-subheading{letter-spacing:-.5px;margin:30px 0 14px;font-size:21px}.catalog-topic-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.catalog-topic-card{border:1px solid var(--line);background:var(--surface);border-radius:15px;flex-direction:column;align-items:stretch;gap:10px;min-width:0;padding:15px;display:flex}.catalog-topic-card.is-selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.catalog-topic-open{text-align:left;color:var(--text);font:inherit;cursor:pointer;background:0 0;border:0;gap:7px;display:grid}.catalog-topic-open strong{font-size:14px;line-height:1.3}.catalog-topic-open small{color:var(--muted);font-size:11px}.topic-save{color:var(--accent-ink);font:inherit;cursor:pointer;background:0 0;border:0;align-self:flex-start;padding:2px 0;font-size:10px;font-weight:850}.topic-save:disabled{opacity:.5;cursor:wait}@media (width<=900px){.home-topic-grid,.catalog-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=640px){.home-topic-grid,.catalog-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.home-topic-card{min-height:142px;padding:15px}.home-friend-grid,.home-challenge-grid,.catalog-filters{grid-template-columns:1fr}.user-home-heading{align-items:flex-start;margin-bottom:32px}.user-home-heading>.button{padding:9px 12px;font-size:11px}.home-empty{flex-direction:column;align-items:flex-start}.home-challenge-form .button{padding-inline:10px}}.challenge-final-scores{gap:4px;display:grid}.challenge-final-scores strong{font-size:12px}.challenge-final-scores small{width:auto!important}.challenge-result-panel{gap:10px;margin:22px 0;display:grid}.challenge-result-panel>strong{font-size:18px}.challenge-result-panel>small{color:var(--muted);font-size:13px}.home-challenge-form[data-challenge-form][hidden]{display:none}.home-challenge-form[data-challenge-form]{width:100%;margin-top:2px}.home-friend-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-friend-card{aspect-ratio:1.2;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:12px;display:flex}.home-friend-person{flex-direction:column;gap:8px;margin:0}.home-friend-person img{flex-basis:58px;width:58px;height:58px}.home-friend-person strong{max-width:100%}.home-topic-card{width:100%;color:var(--text);font:inherit;text-align:left;cursor:pointer}.challenge-dialog{border:1px solid var(--line);background:var(--surface);width:min(440px,100% - 32px);max-width:none;max-height:calc(100dvh - 32px);color:var(--text);border-radius:22px;margin:auto;padding:0;position:fixed;inset:0;overflow:auto;box-shadow:0 24px 80px #0005}.challenge-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#05070bd1}.challenge-dialog-content{gap:14px;padding:30px;display:grid;position:relative}.challenge-dialog-content h2{letter-spacing:-.7px;margin:0 30px 4px 0;font-size:24px}.challenge-dialog-content label{color:var(--muted);font-size:12px;font-weight:750}.challenge-dialog-content .field{width:100%;min-width:0}.challenge-dialog-content>.button{justify-self:start;margin-top:4px}.challenge-dialog-close{border:1px solid var(--line);background:var(--surface-2);width:34px;height:34px;color:var(--text);cursor:pointer;border-radius:50%;place-items:center;font-size:22px;display:grid;position:absolute;top:16px;right:16px}.challenge-dialog-error{color:#ff526f;margin:0;font-size:12px}.challenge-dialog .button:disabled,.challenge-dialog .button:disabled:hover{background:var(--surface-2);color:var(--muted);filter:none;opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.quiz-result-page{width:min(760px,100%);margin:56px auto;padding:0 20px 64px;animation:.55s ease-out both result-enter}.result-game-header{text-align:center;justify-items:center;padding:12px 0 28px;display:grid}.result-game-header h1{letter-spacing:-1.8px;margin:12px 0 5px;font-size:clamp(32px,6vw,52px)}.result-game-header>p{color:var(--muted);margin:0 0 20px;font-weight:700}.result-score-badge{border:8px solid var(--accent);background:var(--surface);width:176px;height:176px;box-shadow:0 0 0 10px var(--accent),var(--shadow);border-radius:50%;place-content:center;gap:2px;margin:0 auto 18px;display:grid}@supports (color:color-mix(in lab, red, red)){.result-score-badge{box-shadow:0 0 0 10px color-mix(in srgb,var(--accent) 16%,transparent),var(--shadow)}}.result-score-badge strong{letter-spacing:-2px;font-variant-numeric:tabular-nums;font-size:44px}.result-score-badge span{color:var(--muted);font-size:12px}.result-progress-track{background:var(--surface-2);border-radius:99px;width:min(390px,100%);height:10px;margin-bottom:9px;overflow:hidden}.result-progress-track span{border-radius:inherit;background:var(--accent);transform-origin:0;height:100%;animation:.9s ease-out .25s both result-progress;display:block}.result-game-header>small{color:var(--muted);font-size:12px}.result-global-panel,.result-friends-rank{border:1px solid var(--line);background:var(--surface);text-align:center;box-shadow:var(--shadow);border-radius:20px;justify-items:center;gap:12px;margin:16px 0;padding:24px;display:grid}.result-global-panel .eyebrow,.result-friends-rank .eyebrow{font-size:10px}.result-addition{font-variant-numeric:tabular-nums;justify-content:center;align-items:baseline;gap:clamp(8px,3vw,20px);display:flex}.result-addition>span,.result-addition>strong{letter-spacing:-1px;font-size:clamp(20px,5vw,32px);font-weight:750}.result-addition>b{color:var(--muted);font-size:18px}.result-addition .result-added-points{color:var(--accent-ink);background:var(--accent);border-radius:10px;padding:5px 10px}.result-addition>strong{min-width:2.7em;color:var(--text)}.result-global-panel>small{color:var(--muted);font-size:12px}.result-friends-rank>strong{background:var(--surface-2);border-radius:50%;place-items:center;width:66px;height:66px;font-size:26px;display:grid}.result-friends-rank p{color:var(--muted);margin:0;font-size:13px}.result-guest-panel{text-align:center;color:var(--muted);margin:16px 0}.result-new-quiz{width:max-content;max-width:100%;margin:24px auto 0;padding:16px 26px;font-size:15px;display:flex}@keyframes result-enter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes result-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@media (width<=520px){.quiz-result-page{margin-top:30px}.result-global-panel,.result-friends-rank{padding:20px 14px}.result-score-badge{width:150px;height:150px}.result-score-badge strong{font-size:38px}}.result-rankings{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:20px;margin:18px 0;padding:22px}.result-ranking-tabs{gap:7px;margin:16px 0 18px;padding-bottom:4px;display:flex;overflow:auto}.result-ranking-tabs button{border:1px solid var(--line);background:var(--surface-2);color:var(--muted);cursor:pointer;border-radius:999px;flex:1 0 auto;padding:9px 13px;font-size:12px;font-weight:750}.result-ranking-tabs button.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.result-ranking-caption,.result-ranking-own>p{color:var(--muted);margin:0 0 8px;font-size:11px;font-weight:750}.result-ranking-list{gap:6px;margin:0;padding:0;list-style:none;display:grid}.result-ranking-row{background:var(--surface-2);border:1px solid #0000;border-radius:12px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 11px;display:grid}.result-ranking-row.is-current-user{border-color:var(--accent);background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.result-ranking-row.is-current-user{background:color-mix(in srgb,var(--accent) 18%,var(--surface))}}.result-ranking-place{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px;font-weight:800}.result-ranking-row>a{align-items:center;gap:9px;min-width:0;display:flex}.result-ranking-row>a img{object-fit:cover;background:var(--surface);border-radius:50%;flex:0 0 30px;width:30px;height:30px}.result-ranking-row>a strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.result-ranking-row>b{font-variant-numeric:tabular-nums;font-size:12px}.result-ranking-own{border-top:1px dashed var(--line);margin-top:18px;padding-top:14px}.result-ranking-movement{color:var(--accent-ink);text-align:center;margin:0 0 12px;font-size:12px;font-weight:800}.result-ranking-empty{color:var(--muted);text-align:center;margin:12px 0;font-size:12px}@media (width<=520px){.result-rankings{padding:18px 12px}.result-ranking-tabs button{padding:8px 11px;font-size:11px}}@media (width<=900px){.home-friend-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=640px){.home-friend-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.challenge-dialog-content{padding:24px}}.catalog-subject-list{gap:22px;display:grid}.catalog-subject-group>h3{color:var(--muted);letter-spacing:-.2px;margin:0 0 10px;font-size:15px}.catalog-subject-group .catalog-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-filters{grid-template-columns:repeat(4,minmax(0,1fr))}.catalog-topic-card h4{margin:0;font-size:15px;line-height:1.35}.catalog-topic-actions{flex-wrap:wrap;gap:8px;margin-top:auto;display:flex}.catalog-topic-card .topic-save.button{color:var(--text);border:1px solid var(--line);background:0 0;align-self:flex-start;padding:10px 13px;font-size:10px;line-height:1.2}.catalog-topic-card .button:disabled{opacity:.5;cursor:not-allowed;filter:none;transform:none}@media (width<=900px){.catalog-filters,.catalog-subject-group .catalog-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=520px){.catalog-subject-group .catalog-topic-grid{grid-template-columns:1fr}}.leaderboard-profile-link{color:inherit;text-decoration:none}.leaderboard-profile-link:hover{color:#829d00;text-underline-offset:3px;text-decoration:underline}.public-profile-page{max-width:900px;margin:0 auto}.public-profile-header{align-items:center;gap:22px;margin:30px 0;display:flex}.public-profile-header>img{border:3px solid var(--surface);object-fit:cover;width:104px;height:104px;box-shadow:0 0 0 1px var(--line);border-radius:50%}.public-profile-header h1{letter-spacing:-1.6px;margin:8px 0 0;font-size:clamp(32px,5vw,48px)}.public-profile-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.public-profile-stats article{border:1px solid var(--line);background:var(--surface);border-radius:16px;gap:8px;min-width:0;padding:18px;display:grid}.public-profile-stats span{color:var(--muted);font-size:12px}.public-profile-stats strong{overflow-wrap:anywhere;font-size:17px}.public-profile-actions{border:1px solid var(--line);background:var(--surface);border-radius:16px;justify-items:start;gap:14px;margin-top:22px;padding:20px;display:grid}.public-profile-status,.public-profile-actions>p{color:var(--muted);margin:0;font-size:13px}.public-profile-challenge{gap:10px;width:100%;max-width:560px;display:flex}.public-profile-challenge .field{flex:1;min-width:0}.public-profile-feedback{color:var(--text)!important}@media (width<=540px){.public-profile-header>img{width:76px;height:76px}.public-profile-header{gap:15px}.public-profile-stats{grid-template-columns:1fr}.public-profile-challenge{flex-direction:column}.public-profile-challenge .button{align-self:flex-start}}.notification-panel>header button{border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:9px;padding:8px 10px}.notification-item{color:var(--text);grid-template-columns:minmax(0,1fr) 30px;align-items:start}.notification-item-content{gap:7px;min-width:0;display:grid}.notification-item-content>span{color:var(--text)}.notification-item small{color:var(--muted)}.notification-actions{flex-wrap:wrap;gap:8px;margin-top:3px;display:flex}.notification-actions button,.notification-item .notification-open{border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:9px;padding:8px 10px;font-size:11px;font-weight:750;text-decoration:none}.notification-actions .notification-accept{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.notification-actions .notification-accept{border-color:color-mix(in srgb,var(--accent) 60%,var(--line))}}.notification-actions .notification-accept{background:var(--accent);color:var(--accent-ink)}.notification-actions .notification-reject{border-color:#ff3158}@supports (color:color-mix(in lab, red, red)){.notification-actions .notification-reject{border-color:color-mix(in srgb,#ff3158 42%,var(--line))}}.notification-actions .notification-reject{background:#ff3158}@supports (color:color-mix(in lab, red, red)){.notification-actions .notification-reject{background:color-mix(in srgb,#ff3158 15%,var(--surface))}}.notification-actions .notification-reject{color:#ff667e}.notification-item .notification-dismiss{border:1px solid var(--line);background:var(--surface-2);width:28px;height:28px;color:var(--muted);border-radius:50%;place-items:center;padding:0;font-size:18px;line-height:1;display:grid}.notification-item .notification-dismiss:hover{background:#ff3158}@supports (color:color-mix(in lab, red, red)){.notification-item .notification-dismiss:hover{background:color-mix(in srgb,#ff3158 16%,var(--surface))}}.notification-item .notification-dismiss:hover{color:#ff667e;border-color:#ff667e}.notification-actions button:hover,.notification-item .notification-open:hover,.notification-panel>header button:hover{filter:brightness(1.06)}.friend-presence{color:var(--muted);white-space:nowrap;align-items:center;gap:6px;margin-left:auto;font-size:10px;display:inline-flex}.friend-presence i{background:#7c8490;border-radius:50%;width:8px;height:8px}.friend-presence.is-online{color:#22c55e}.friend-presence.is-online i{background:#22c55e;box-shadow:0 0 8px #22c55899}.friend-widget{position:relative}.friend-widget>button{place-items:center;display:grid}.friend-widget>button svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.friend-widget-panel{z-index:22;border:1px solid var(--line);background:var(--surface);width:min(320px,100vw - 28px);max-height:min(70vh,480px);color:var(--text);border-radius:16px;flex-direction:column;display:flex;position:absolute;top:calc(100% + 12px);right:0;overflow:hidden;box-shadow:0 18px 55px #0002}.friend-widget-panel[hidden]{display:none}.friend-widget-panel>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:15px 16px;display:flex}.friend-widget-panel>header strong{font-size:14px}.friend-widget-panel>header span{color:var(--muted);font-size:11px}.friend-widget-list{padding:7px;overflow-y:auto}.friend-widget-person{color:var(--text);border-radius:10px;align-items:center;gap:10px;padding:8px;text-decoration:none;display:flex}.friend-widget-person:hover{background:var(--surface-2)}.friend-widget-person img{object-fit:cover;background:var(--surface-2);border-radius:50%;flex:0 0 34px;width:34px;height:34px}.friend-widget-person>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:12px;font-weight:700;overflow:hidden}.friend-widget-person i{background:#777;border-radius:50%;flex:0 0 9px;width:9px;height:9px;margin-left:auto}.friend-widget-person i.is-online{background:#22c55e;box-shadow:0 0 8px #22c55899}.friend-widget-empty{color:var(--muted);margin:0;padding:14px 10px;font-size:12px}.friend-widget-manage{border-top:1px solid var(--line);color:var(--text);padding:12px 16px;font-size:12px;font-weight:750}.friend-widget-manage:hover{color:#8ba700}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}