:root{color:#f7fbff;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#07111f;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*,:before,:after{box-sizing:border-box}img,svg,video,canvas,iframe{max-width:100%}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{min-width:0;max-width:100%;font:inherit}button{cursor:pointer;border:0}button:focus-visible,select:focus-visible{outline-offset:3px;outline:3px solid #6be1ffcc}.games-page{padding:70px 0 90px}.game-catalog-card{background:#081228c2;border:1px solid #7ae1ff38;border-radius:32px;grid-template-columns:minmax(300px,.9fr) minmax(320px,1.1fr);display:grid;overflow:hidden;box-shadow:0 30px 100px #00000052,inset 0 0 60px #3cb7ff0a}.game-cover{background:radial-gradient(circle at 50% 70%,#3de6c945,#0000 30%),radial-gradient(circle at 50% 35%,#499bff3d,#0000 36%),linear-gradient(145deg,#08152d,#0b0f27);place-items:center;min-height:420px;display:grid;position:relative;overflow:hidden}.game-cover:before{content:"";opacity:.24;transform-origin:bottom;background-image:linear-gradient(#7ce0ff29 1px,#0000 1px),linear-gradient(90deg,#7ce0ff29 1px,#0000 1px);background-size:42px 42px;position:absolute;inset:0;transform:perspective(360px)rotateX(48deg)scale(1.3)}.game-cover svg{fill:#0f2a4ee6;stroke:#9df4ff;stroke-width:4px;filter:drop-shadow(0 0 22px #44d8ff);width:48%;position:relative}.cover-equation{z-index:2;color:#f5fbff;background:#0c1c38e6;border:1px solid #b0edff80;border-radius:14px;padding:12px 18px;font-weight:900;position:absolute;box-shadow:0 0 22px #4acfff2b}.eq-one{top:20%;left:9%;transform:rotate(-4deg)}.eq-two{top:30%;right:8%;transform:rotate(3deg)}.game-card-copy{flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(34px,5vw,72px);display:flex}.game-card-copy h2{margin:0 0 16px;font-size:clamp(2rem,4vw,3.2rem);line-height:1}.game-card-copy>p:not(.eyebrow){color:#c7d7e9;font-size:1.08rem;line-height:1.7}.game-topics{color:#8eeaff;margin:4px 0 24px;font-weight:800}.personal-best{gap:4px;margin-bottom:24px;display:grid}.personal-best span{color:#91a7bf;font-size:.85rem}.personal-best strong{color:#7dffd3}.game-page{width:min(1120px,100%);margin:0 auto;padding:8px 0}.app-shell.game-shell{padding:8px}.game-shell>.topbar,.game-shell>.api-config-notice{display:none}.game-fullscreen-shell{background:radial-gradient(circle at 50% 40%,#0b1732,#040916 72%);border:1px solid #80e2ff42;border-radius:24px;width:100%;height:max(620px,100dvh - 16px);max-height:1040px;position:relative;overflow:hidden;box-shadow:0 24px 90px #0000006b,0 0 60px #33bfff14}.game-fullscreen-shell:fullscreen{border:0;border-radius:0;width:100vw;height:100dvh;max-height:none}.interceptor-stage{touch-action:none;-webkit-user-select:none;user-select:none;background:#071126;width:100%;height:100%;position:relative;overflow:hidden}.interceptor-canvas{width:100%;max-width:none;height:100%;display:block}.game-menu-toolbar{z-index:9;top:max(10px, env(safe-area-inset-top));pointer-events:none;justify-content:space-between;width:min(520px,100% - 18px);display:flex;position:absolute;left:50%;transform:translate(-50%)}.game-menu-toolbar button,.game-hud button{color:#e9fbff;pointer-events:auto;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);background:#061026d6;border:1px solid #9be8ff3d;border-radius:11px;place-items:center;width:38px;height:38px;padding:0;font-weight:900;display:grid}.game-menu-toolbar button:hover,.game-hud button:hover{background:#123052eb;border-color:#9be8ff99}.game-system-controls{gap:5px;display:flex}.game-hud{z-index:8;top:max(10px, env(safe-area-inset-top));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:none;background:#061026b8;border:1px solid #9be8ff26;border-radius:14px;align-items:stretch;gap:5px;width:min(520px,100% - 18px);min-height:42px;padding:4px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.game-hud .hud-value{align-content:center;gap:0;min-width:72px;padding:3px 7px;display:grid}.game-hud span{color:#91a8c3;text-transform:uppercase;letter-spacing:.06em;font-size:.58rem;font-weight:800}.game-hud strong{color:#f5fbff;font-size:.9rem}.game-hud .hud-lives strong{color:#ff829c}.game-hud .hud-power-shot{color:#ffbd55;background:#ffbd5517;border-radius:9px;align-items:center;gap:5px;min-width:56px;padding:3px 7px 7px;display:flex;position:relative;overflow:hidden}.game-hud .hud-power-shot span{color:#ffbd55;font-size:.8rem}.game-hud .hud-power-shot i{transform-origin:0;background:#ffbd55;border-radius:99px;height:2px;position:absolute;inset:auto 5px 3px}.game-hud .hud-actions{pointer-events:auto;gap:5px;margin-left:auto;display:flex}.game-overlay{z-index:6;text-align:center;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:radial-gradient(circle at 50% 48%,#153a64e6,#040a19f7 70%);flex-direction:column;justify-content:center;align-items:center;padding:60px 24px 24px;display:flex;position:absolute;inset:0;overflow:auto}.game-overlay h1,.game-overlay h2{margin:4px 0 12px}.game-overlay h1{max-width:620px;font-size:clamp(2.2rem,6vw,4.6rem);line-height:.96}.game-overlay>p:not(.eyebrow){color:#bfd0e3;max-width:560px;margin:8px 0;font-size:1rem}.game-mode-cards{grid-template-columns:repeat(3,1fr);gap:8px;width:min(520px,100%);margin:16px 0 12px;display:grid}.game-mode-cards button{color:#fff;text-align:left;background:#0a1b34d1;border:1px solid #8be5ff2e;border-radius:15px;align-content:center;gap:5px;min-height:92px;padding:12px 10px;display:grid}.game-mode-cards button:hover,.game-mode-cards button.selected{border-color:#62dfff;box-shadow:inset 0 0 20px #4ccfff1a,0 0 18px #4ccfff14}.game-mode-cards strong{font-size:1rem}.game-mode-cards span{color:#9fb5cc;font-size:.76rem;line-height:1.25}.game-control-hint{color:#8fa6bf!important;font-size:.78rem!important}.start-overlay small{color:#7890aa;max-width:520px;margin-top:12px}.countdown-overlay{background:#040a198c}.countdown-overlay strong{color:#baf6ff;text-shadow:0 0 50px #4bdcff;font-size:clamp(5rem,16vw,10rem)}.result-metrics{grid-template-columns:repeat(4,1fr);gap:7px;width:min(620px,100%);margin:12px 0;display:grid}.result-metrics div{background:#ffffff0d;border-radius:12px;gap:3px;padding:9px;display:grid}.result-metrics span{color:#8fa5bd;font-size:.7rem}.result-metrics strong{color:#fff}.ranking-ok{color:#7dffd3!important}.ranking-note{color:#ffd87a!important}.save-note{margin:3px!important}.game-error-list{text-align:left;gap:9px;width:min(620px,100%);max-height:56%;margin:10px 0 18px;display:grid;overflow:auto}.game-error-list article{background:#48122a52;border:1px solid #ff708e2e;border-radius:14px;padding:14px 16px}.game-error-list article p{color:#ffb4c4;margin:5px 0}.game-error-list article span{color:#b8cbe0}.mobile-game-controls{z-index:7;right:max(13px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));pointer-events:none;display:none;position:absolute}.mobile-game-controls .fire{color:#071126;pointer-events:auto;touch-action:none;background:radial-gradient(circle at 38% 32%,#eaffff,#60e6ff 42%,#48c7e8);border:2px solid #befbffa6;border-radius:50%;place-items:center;width:62px;height:62px;font-size:1.25rem;display:grid;box-shadow:0 0 22px #4ddaff52}body.interceptor-active{overscroll-behavior:none;overflow:hidden}@media (width<=850px){.game-catalog-card{grid-template-columns:1fr}.game-cover{min-height:310px}.game-page{padding:0}.game-fullscreen-shell{border:0;border-radius:0;height:100dvh;min-height:520px}.mobile-game-controls{display:block}.game-overlay{padding:max(58px,calc(env(safe-area-inset-top) + 52px)) 14px max(18px,env(safe-area-inset-bottom))}.game-overlay h1{font-size:clamp(2rem,10vw,3.4rem)}.result-metrics{grid-template-columns:repeat(2,1fr)}.game-hud,.game-menu-toolbar{top:max(6px,env(safe-area-inset-top));width:calc(100% - 12px)}.game-hud .hud-value{min-width:63px;padding-inline:5px}.game-hud button,.game-menu-toolbar button{width:36px;height:36px}}@media (width<=480px){.game-mode-cards{grid-template-columns:1fr;gap:6px;max-width:330px}.game-mode-cards button{min-height:62px;padding:8px 12px}.game-control-hint{display:none}.start-overlay small{font-size:.72rem}.game-hud .hud-power-shot{min-width:50px}.game-hud .hud-actions,.game-system-controls{gap:3px}}@media (height<=620px){.game-overlay{justify-content:flex-start}.game-overlay h1{font-size:clamp(1.8rem,7vw,2.8rem)}.game-mode-cards{margin:8px 0}.game-mode-cards button{min-height:58px}.start-overlay small{margin-top:7px}}@media (prefers-reduced-motion:reduce){.cover-equation,.game-cover svg{animation:none!important}.game-overlay,.game-hud,.game-menu-toolbar button,.game-hud button{-webkit-backdrop-filter:none;backdrop-filter:none}}.profile-game-review{z-index:1200;background:#071126;position:fixed;inset:0}.profile-game-review .game-overlay{position:absolute}.field-hint{color:#91a8c3;font-size:.8rem;font-weight:500;line-height:1.45}.auth-page .auth-card{width:min(620px,100%)}.legal-checkbox-row{color:#c9d7e8;grid-template-columns:22px minmax(0,1fr);align-items:start;gap:11px;font-size:.9rem;font-weight:600;line-height:1.5;display:grid}.legal-checkbox-row input{accent-color:#3fe89e;width:20px;height:20px;min-height:20px;margin:2px 0 0;padding:0}.legal-checkbox-row a,.legal-document a,.legal-modal a{color:#8be9ff;text-underline-offset:3px;font-weight:800}.site-footer nav{flex-wrap:wrap;justify-content:flex-end;gap:8px 18px;display:flex}.legal-page{grid-template-columns:minmax(220px,270px) minmax(0,1fr);align-items:start;gap:24px;padding-top:54px;display:grid}.legal-toc{max-height:calc(100vh - 40px);padding:22px;position:sticky;top:20px;overflow:auto}.legal-toc>strong{color:#fff;margin-bottom:14px;font-size:1rem;display:block}.legal-toc nav{gap:9px;display:grid}.legal-toc a{color:#abc1d8;font-size:.82rem;line-height:1.4;text-decoration:none}.legal-toc a:hover{color:#8be9ff}.legal-document{min-width:0;padding:clamp(24px,4vw,54px)}.legal-document h1,.legal-document h2,.legal-document h3{scroll-margin-top:24px;line-height:1.2}.legal-document h1{margin:0 0 14px;font-size:clamp(2rem,4.5vw,3.5rem)}.legal-document h2{color:#fff;margin:44px 0 16px;padding-top:6px}.legal-document h3{color:#dff8ff;margin:28px 0 12px;font-size:1.15rem}.legal-document p,.legal-document li{overflow-wrap:anywhere}.legal-document p{margin:0 0 16px}.legal-document ol,.legal-document ul{margin:0 0 20px;padding-left:24px}.legal-document blockquote{color:#dcecf8;background:#4acfff14;border-left:4px solid #62dfff;border-radius:0 14px 14px 0;margin:24px 0;padding:18px 20px;line-height:1.65}.legal-table-scroll{width:100%;margin:22px 0;overflow-x:auto}.legal-document th,.legal-document td{white-space:normal;vertical-align:top;min-width:160px;line-height:1.5}.legal-modal-backdrop{z-index:5000;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#020710d1;place-items:center;padding:20px;display:grid;position:fixed;inset:0;overflow:auto}.legal-modal{width:min(680px,100%);max-height:calc(100dvh - 40px);padding:clamp(24px,4vw,42px);overflow:auto;box-shadow:0 30px 120px #0000008c}.legal-modal h2{margin:5px 0 12px;font-size:clamp(1.8rem,4vw,2.8rem)}.legal-modal>p:not(.eyebrow){color:#b9cce0;line-height:1.6}.legal-modal-consents{margin:24px 0}.legal-modal-actions{flex-wrap:wrap;gap:10px;display:flex}.legal-modal-support,.video-decline-note{margin:18px 0 0;font-size:.88rem}.profile-public-name-card{grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:28px;margin:-26px 0 48px;padding:26px;display:grid}.profile-public-name-card h2{margin:4px 0 8px}.profile-public-name-card p{color:#b8cbe0;line-height:1.55}.profile-public-name-form{align-content:start;gap:12px;display:grid}.profile-public-name-form label{color:#e9f4ff;gap:8px;font-weight:800;display:grid}.profile-public-name-form input{color:#fff;caret-color:#8be9ff;background:#030b189e;border:1px solid #8be9ff33;border-radius:14px;min-height:48px;padding:0 14px;transition:border-color .16s,background .16s,box-shadow .16s}.profile-public-name-form input:hover{background:#041020c7;border-color:#8be9ff5c}.profile-public-name-form input:focus{background:#051225eb;border-color:#8be9ffb3;outline:0;box-shadow:0 0 0 3px #6be1ff24}.profile-public-name-actions{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.profile-public-name-message{color:#bff7ff;background:#8be9ff14;border:1px solid #8be9ff2e;border-radius:11px;margin:0;padding:9px 11px;font-size:.88rem;font-weight:700;line-height:1.45}.profile-public-name-message.success{color:#a9ffda;background:#3fe89e17;border-color:#3fe89e3d}.profile-public-name-message.error{color:#ffc2d2;background:#ff708e1a;border-color:#ff708e42}.profile-promo-card{background:radial-gradient(circle at 88% 12%,#facc1529,#0000 15rem),linear-gradient(135deg,#0e2b41f5,#141f3deb);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;margin:-20px 0 48px;padding:26px;display:grid;overflow:hidden}.profile-promo-card h2{margin:4px 0 8px}.profile-promo-card p{color:#c9d8e7;margin-bottom:0;line-height:1.55}.profile-promo-action{min-width:min(100%,260px)}.profile-promo-code{background:#040f1ca8;border:1px solid #facc154d;border-radius:16px;align-items:center;gap:10px;padding:10px;display:flex}.profile-promo-code code{color:#fde68a;letter-spacing:.04em;-webkit-user-select:all;user-select:all;flex:1;font-family:JetBrains Mono,SFMono-Regular,Consolas,monospace;font-size:1.02rem;font-weight:900}.profile-promo-status{min-height:1.35em;font-size:.84rem;font-weight:800;color:#8be9ff!important;margin:8px 2px 0!important}.video-consent-card{border-color:#ffc96f40;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:22px;margin:22px 0;padding:24px;display:grid}.video-consent-card.accepted{border-color:#3fe89e4d}.video-consent-card h2{margin:5px 0 8px}.video-consent-card p{color:#bfd0e3;max-width:760px;margin:0;line-height:1.55}.admin-legal-consents{border-top:1px solid #ffffff1f;margin:28px 0;padding-top:24px}.admin-legal-consent-list{gap:12px;display:grid}.admin-legal-consent-list>article{background:#040d1c6b;border:1px solid #ffffff1a;border-radius:16px;padding:16px}.admin-legal-consent-list header{justify-content:space-between;gap:12px;display:flex}.admin-legal-consent-list header div,.legal-technical-event{gap:4px;display:grid}.admin-legal-consent-list header span,.legal-technical-event span{color:#9eb4ca;overflow-wrap:anywhere;font-size:.8rem}.admin-legal-consent-list dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px;display:grid}.admin-legal-consent-list dl div{gap:2px;display:grid}.admin-legal-consent-list dt{color:#8fa7be;font-size:.76rem}.admin-legal-consent-list dd{color:#eff8ff;margin:0}.admin-legal-consent-list details{border-top:1px solid #ffffff17;margin-top:12px;padding-top:10px}.admin-legal-consent-list summary{cursor:pointer;color:#8be9ff;font-weight:800}.legal-technical-event{background:#ffffff0a;border-radius:10px;margin-top:10px;padding:10px}.legal-status-badge{background:#ffc96f24;border-radius:999px;width:fit-content;padding:5px 9px;font-weight:900;color:#ffd27d!important;font-size:.74rem!important}.legal-status-badge.accepted{background:#3fe89e24;color:#7dffd3!important}.legal-status-badge.declined,.legal-status-badge.revoked{background:#ff708e24;color:#ff9bb0!important}@media (width<=900px){.legal-page{grid-template-columns:1fr}.legal-toc{max-height:none;position:static}.legal-toc nav{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-public-name-card,.profile-promo-card,.video-consent-card{grid-template-columns:1fr}}@media (width<=680px){.site-footer nav,.legal-modal-actions{flex-direction:column;align-items:stretch}.site-footer nav button,.legal-modal-actions>*{width:100%}.legal-page{gap:14px;padding-top:36px}.legal-toc{padding:18px}.legal-toc nav{grid-template-columns:1fr}.legal-document{padding:24px 18px}.legal-document h2{margin-top:34px}.legal-modal-backdrop{place-items:end center;padding:8px}.legal-modal{border-radius:22px;max-height:calc(100dvh - 16px);padding:24px 18px}.profile-public-name-card{margin-top:-22px;padding:20px}.profile-promo-card{margin-top:-20px;padding:20px}.profile-promo-action{min-width:0}.profile-promo-code{flex-direction:column;align-items:stretch}.admin-legal-consent-list dl{grid-template-columns:1fr}}button:disabled,input:disabled{cursor:not-allowed;opacity:.58}.app-shell{background:radial-gradient(circle at 12% 12%,#28d0ff47,#0000 30rem),radial-gradient(circle at 86% 18%,#685bff47,#0000 28rem),radial-gradient(circle at 55% 86%,#3fe89e2e,#0000 26rem),linear-gradient(135deg,#07111f 0%,#111936 52%,#15102b 100%);flex-direction:column;min-height:100vh;padding:20px;display:flex}.app-shell>main{flex:1}.api-config-notice{z-index:2;color:#ffe2b7;background:#41270feb;border:1px solid #ffae4a6b;border-radius:16px;flex-wrap:wrap;align-items:center;gap:10px 16px;width:min(1180px,100%);margin:0 auto 12px;padding:12px 16px;display:flex;position:relative;box-shadow:0 14px 38px #00000038}.api-config-notice strong{color:#fff}.api-config-notice span{line-height:1.45}.app-shell:before{content:"";pointer-events:none;position:fixed;inset:0}.topbar,.page{width:min(1180px,100%);margin:0 auto;position:relative}.page{z-index:1}.topbar{z-index:1000;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#07111fad;border:1px solid #ffffff24;border-radius:26px;justify-content:space-between;align-items:center;gap:18px;min-height:74px;padding:14px 16px;display:flex;overflow:visible;box-shadow:0 20px 80px #0000003d}.brand,.nav-links button{color:#f7fbff;background:0 0}.brand{align-items:center;gap:10px;font-size:1.1rem;font-weight:900;display:flex}.brand span{color:#07111f;background:linear-gradient(135deg,#23d7ff,#6e68ff 55%,#3fe89e);border-radius:14px;place-items:center;width:40px;height:40px;display:grid}.nav-links,.auth-actions,.button-row{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}.nav-links button{color:#c9d7e8;border-radius:999px;min-height:40px;padding:0 14px;font-weight:800}.nav-links button.active,.nav-links button:hover{color:#fff;background:#ffffff1a}.mobile-menu-toggle{background:#8be9ff17;border:1px solid #8be9ff33;border-radius:999px;flex:none;place-items:center;gap:4px;width:42px;height:42px;padding:0;display:none;box-shadow:inset 0 0 22px #8be9ff0f}.mobile-menu-toggle span{background:#dff8ff;border-radius:999px;width:18px;height:2px;transition:transform .16s,opacity .16s;display:block}.mobile-menu-toggle.active span:first-child{transform:translateY(6px)rotate(45deg)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:translateY(-6px)rotate(-45deg)}.user-chip{color:#9cffd1;background:#3fe89e24;border-radius:999px;padding:10px 13px;font-weight:900}.sound-toggle-button{color:#8be9ff;background:#8be9ff17;border:1px solid #8be9ff33;border-radius:999px;flex:none;place-items:center;width:42px;height:42px;transition:border-color .16s,background .16s,color .16s,transform .16s;display:grid;box-shadow:inset 0 0 22px #8be9ff0f}.sound-toggle-button:hover,.sound-toggle-button:focus-visible{color:#fff;background:#8be9ff26;border-color:#8be9ff6b;transform:translateY(-1px)}.sound-toggle-button.muted{color:#98aabd;background:#ffffff12;border-color:#ffffff24}.sound-toggle-button svg{width:20px;height:20px;display:block}.sound-toggle-button path{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.profile-menu{z-index:1001;position:relative}.profile-menu-trigger{border:1px solid #0000;align-items:center;min-height:42px;display:flex}.profile-menu-trigger>span{text-overflow:ellipsis;white-space:nowrap;max-width:180px;overflow:hidden}.profile-menu-trigger.active{background:#3fe89e33;border-color:#3fe89e5c}.profile-dropdown{z-index:1100;pointer-events:auto;background:#081221fa;border:1px solid #ffffff29;border-radius:14px;gap:3px;width:220px;padding:7px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 22px 55px #0000006b}.profile-dropdown button{color:#d8e6f3;text-align:left;pointer-events:auto;background:0 0;border-radius:9px;min-height:45px;padding:0 13px;font-weight:800}.profile-dropdown button:hover,.profile-dropdown button.active{color:#fff;background:#8be9ff1a}.profile-dropdown .profile-dropdown-logout{color:#ffc2d2;border-top:1px solid #ffffff1a;border-radius:0 0 9px 9px;margin-top:3px}.page{padding:70px 0 38px;animation:.45s both pageIn}.glass-card{-webkit-backdrop-filter:none;backdrop-filter:none;background:linear-gradient(145deg,#ffffff24,#ffffff0e);border:1px solid #ffffff26;border-radius:24px;min-width:0;box-shadow:0 24px 80px #00000042}.glass-card>*{min-width:0}.eyebrow{color:#8be9ff;letter-spacing:.14em;text-transform:uppercase;overflow-wrap:anywhere;align-items:center;width:fit-content;max-width:100%;margin:0 0 14px;font-size:.78rem;font-weight:900;line-height:1.25;display:inline-flex}h1,h2,h3,p{overflow-wrap:anywhere;max-width:100%;margin-top:0}h1{letter-spacing:0;margin-bottom:18px;font-size:clamp(2.4rem,4.5vw,4.2rem);line-height:1.08}h2{letter-spacing:0;margin-bottom:14px;font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.08}h4,h5,h6,li,dd,dt,label,small,strong,b,em,a{overflow-wrap:anywhere;max-width:100%}.glass-card,.admin-card,.course-card,.material-card,.course-section,.admin-section,.builder-panel,.builder-subpanel,.course-about-block,.course-week-card,.week-material-card,.course-material-view{min-width:0}.glass-card,.admin-card,.course-card,.material-card,.course-section,.course-about-block{overflow-wrap:anywhere}.badge,.pill,.chip,.label,.section-label,.course-status-pill,.material-open-label,.week-number{overflow-wrap:anywhere;min-width:0;max-width:100%;line-height:1.25}h3{margin-bottom:12px;font-size:1.5rem}p{color:#c9d7e8;line-height:1.65}.primary-button,.secondary-button,.ghost-button{color:#fff;text-align:center;overflow-wrap:anywhere;border-radius:17px;justify-content:center;align-items:center;min-width:0;max-width:100%;min-height:52px;padding:0 22px;font-weight:900;line-height:1.2;transition:transform .2s,box-shadow .2s,background .2s;display:inline-flex}.primary-button{background:linear-gradient(135deg,#20d8ff,#6e68ff 52%,#3fe89e);box-shadow:0 18px 42px #278dff57}.secondary-button{background:#ffffff1f;border:1px solid #ffffff2e}.ghost-button{background:#ffffff12;border:1px solid #ffffff29}.small-button{border-radius:14px;min-height:42px;padding:0 15px}.primary-button:hover,.secondary-button:hover,.ghost-button:hover,.exercise-card:hover,.feature-item:hover{transform:translateY(-2px)}.hero{grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);align-items:center;gap:26px;min-height:620px;display:grid}.hero h1{font-size:clamp(3rem,6vw,5.4rem);line-height:.98}.subtitle{color:#fff;max-width:700px;margin-bottom:16px;font-size:clamp(1.2rem,2.2vw,1.65rem);font-weight:800}.hero-text{max-width:640px;margin-bottom:30px;font-size:1.1rem}.hero-panel{background:linear-gradient(145deg,#8be9ff29,#ffffff0e),radial-gradient(circle at 78% 18%,#3fe89e38,#0000 15rem);flex-direction:column;justify-content:space-between;height:660px;min-height:520px;padding:34px;display:flex;overflow:hidden}.hero-overview{gap:22px}.live-preview-panel{-webkit-user-select:none;user-select:none;justify-content:flex-start;gap:22px}.live-preview-panel .hero-preview-top{margin-bottom:0;display:block}.live-preview-panel .hero-preview-top span{color:#fff;text-transform:none;font-size:1.35rem;line-height:1.25}.live-preview-panel .hero-preview-top p{margin:8px 0 0;font-size:1rem;line-height:1.45}.live-preview-panel .hero-task-preview{flex:1;align-items:stretch;margin:0}.live-preview-panel .primary-button{width:100%}.live-preview-panel .hero-task-preview span{font-size:clamp(2.8rem,6vw,4.4rem);line-height:1.08}.live-preview-panel .hero-task-preview strong{height:auto;min-height:76px;font-size:clamp(2.2rem,5vw,3.4rem);line-height:1}.preview-mode-label{background:#ffffff14;border-radius:18px;padding:18px 20px}.preview-mode-label span,.preview-mode-label strong{display:block}.preview-mode-label span{color:#8be9ff;text-transform:uppercase;margin-bottom:6px;font-size:.9rem;font-weight:900}.preview-mode-label strong{color:#fff;font-size:1.2rem;line-height:1.35}.hero-preview-top,.hero-focus{justify-content:space-between;align-items:center;gap:14px;display:flex}.hero-preview-top{margin-bottom:18px}.hero-preview-top span,.hero-focus span,.card-kicker{color:#8be9ff;text-transform:uppercase;font-size:.82rem;font-weight:900}.hero-preview-top strong{color:#fff;background:#ffffff1f;border-radius:999px;padding:9px 13px}.hero-scoreboard{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.hero-scoreboard div{background:#050c1857;border:1px solid #ffffff1f;border-radius:20px;flex-direction:column;justify-content:flex-end;min-height:150px;padding:20px;display:flex}.hero-scoreboard strong{color:#fff;font-size:clamp(3rem,6vw,5rem);line-height:.9}.hero-scoreboard span{color:#c9d7e8;margin-top:12px;font-weight:900}.hero-flow{gap:10px;display:grid}.hero-flow div{background:#ffffff14;border-radius:18px;grid-template-columns:54px 1fr;align-items:center;gap:12px;min-height:76px;padding:16px 18px;display:grid}.hero-flow span{color:#8be9ff;font-size:.85rem;font-weight:900}.hero-flow strong{color:#fff;font-size:1rem;line-height:1.35}.hero-overview .primary-button{width:100%}.hero-task-preview{background:#050c1861;border:1px solid #ffffff24;border-radius:24px;flex-direction:column;justify-content:center;min-height:258px;margin:8px 0 22px;padding:28px;display:flex;position:relative;box-shadow:inset 0 1px #ffffff1a}.hero-task-preview span{color:#fff;min-height:1.12em;margin-bottom:10px;font-size:clamp(2.7rem,7vw,5rem);font-weight:900;line-height:1;animation:.28s both taskIn;display:block}.hero-task-preview strong{color:#07111f;background:linear-gradient(135deg,#3fe89e,#20d8ff);border-radius:18px;place-items:center;min-width:94px;height:60px;font-size:2rem;font-weight:900;animation:.28s both answerPop;display:inline-grid}.hero-focus{align-items:stretch;margin-bottom:20px}.hero-focus div{background:#ffffff14;border-radius:18px;flex:1;height:154px;padding:18px}.hero-focus strong{color:#fff;min-height:58px;margin-top:6px;font-size:1.05rem;line-height:1.35;display:block}.hero-panel>p{min-height:64px;margin-bottom:0}.section-block{margin-top:44px}.home-benefits-section{margin-top:64px}.home-benefits-section .section-title{max-width:720px}.home-benefits-grid{border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.home-benefit{min-height:190px;padding:26px 22px}.home-benefit+.home-benefit{border-left:1px solid #ffffff24}.home-benefit span{color:#8be9ff;margin-bottom:28px;font-size:.8rem;font-weight:900;display:block}.home-benefit h3{margin-bottom:10px;font-size:1.15rem}.home-benefit p{margin:0;font-size:.96rem}.home-training-preview .section-title{max-width:760px}.home-training-preview-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-training-preview-action{justify-content:center;margin-top:22px;display:flex}.home-platform-band{border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24;grid-template-columns:minmax(0,.85fr) minmax(420px,1.15fr);align-items:center;gap:44px;padding:38px 0;display:grid}.home-platform-copy{max-width:560px}.home-platform-copy h2{margin-bottom:12px}.home-platform-copy .primary-button{margin-top:12px}.home-topic-list{border-top:1px solid #ffffff1f;border-left:1px solid #ffffff1f;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.home-topic-list div{border-bottom:1px solid #ffffff1f;border-right:1px solid #ffffff1f;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:10px;min-height:74px;padding:14px 16px;display:grid}.home-topic-list span{color:#8be9ff;font-size:.76rem;font-weight:900}.home-topic-list strong{color:#fff;font-size:.96rem;line-height:1.3}.home-progress-band{background:#ffffff0f;border:1px solid #8be9ff33;border-radius:8px;justify-content:space-between;align-items:center;gap:24px;padding:30px;display:flex}.home-progress-band h2,.home-progress-band p{margin-bottom:8px}.section-title{margin-bottom:18px}.training-category{border-top:1px solid #ffffff24;padding-top:32px}.training-topics{gap:64px;display:grid}.training-topic-heading{grid-template-columns:72px minmax(0,1fr);align-items:start;gap:22px;display:grid}.topic-number{color:#caf6ffe0;background:#8be9ff14;border:1px solid #8be9ff42;border-radius:8px;place-items:center;width:64px;height:64px;font-size:1.55rem;font-weight:900;line-height:1;display:grid}.training-topic-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.topic-rating{border-color:#ffc25e52}.topic-graphs{border-top:0;padding-top:0}.topic-rating .training-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.training-category .section-title{max-width:760px}.training-category .section-title h2{font-size:clamp(2.1rem,3.6vw,3.2rem)}.graph-training-card{background:radial-gradient(circle at 12% 20%,#8be9ff29,#0000 26rem),radial-gradient(circle at 90% 10%,#a78bfa29,#0000 24rem),#ffffff0e;border:1px solid #8be9ff2e;border-radius:8px;justify-content:space-between;align-items:center;gap:24px;padding:26px;display:flex;position:relative;overflow:hidden;box-shadow:0 22px 70px #00000038}.graph-training-card:after{content:"";opacity:.42;background-color:#0000;background-image:linear-gradient(#8be9ff29 1px,#0000 1px),linear-gradient(90deg,#8be9ff29 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:24px 24px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;border:1px solid #8be9ff2e;border-radius:50%;width:180px;height:180px;position:absolute;bottom:-36px;right:24px;transform:rotate(8deg)}.graph-training-card>div,.graph-training-card .primary-button{z-index:1;position:relative}.graph-training-card h3{margin:0 0 8px;font-size:clamp(1.55rem,3vw,2.3rem)}.graph-training-card p{color:#bfd0df;max-width:680px;margin:0;line-height:1.6}.graph-mode-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:24px;display:grid}.graph-block-tabs{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.graph-block-tabs button{color:#dceeff;background:#ffffff0e;border:1px solid #ffffff24;border-radius:999px;min-height:46px;padding:0 18px;font-weight:900}.graph-block-tabs button:hover,.graph-block-tabs button.active{color:#fff;background:linear-gradient(135deg,#8be9ff2e,#a78bfa24),#ffffff0f;border-color:#8be9ff6b}.graph-mode-group{margin-bottom:24px}.graph-mode-group h2{margin:0 0 12px;font-size:clamp(1.2rem,2vw,1.7rem)}.graph-mode-grid button{color:#dce9f5;text-align:left;background:#ffffff0e;border:1px solid #ffffff1f;border-radius:8px;flex-direction:column;align-items:flex-start;gap:7px;min-height:142px;padding:17px;transition:border-color .16s,background .16s,transform .16s;display:flex}.graph-mode-grid button:hover,.graph-mode-grid button.active{background:#8be9ff1a;border-color:#8be9ff5c;transform:translateY(-1px)}.graph-mode-grid span{color:#8be9ff;font-size:.76rem;font-weight:900}.graph-mode-grid strong{color:#fff;font-size:1rem}.graph-mode-grid small{color:#91a8ba;font-weight:700;line-height:1.35}.graph-trainer-layout{grid-template-columns:minmax(320px,.78fr) minmax(520px,1.22fr);align-items:start;gap:24px;min-width:0;display:grid}.graph-task-panel{flex-direction:column;gap:18px;min-width:0;padding:32px;display:flex;position:sticky;top:100px;overflow:hidden}.graph-task-block-label{color:#8be9ff;text-transform:uppercase;letter-spacing:.04em;background:#8be9ff14;border:1px solid #8be9ff38;border-radius:999px;width:fit-content;padding:7px 12px;font-size:.76rem;font-weight:900}.graph-task-heading{gap:12px;display:grid}.graph-task-panel h2{overflow-wrap:anywhere;margin:0;font-size:clamp(1.4rem,2.6vw,2.05rem);line-height:1.18}.graph-task-heading p,.graph-task-panel>p{color:#bfd0df;margin:0;line-height:1.55}.graph-task-formula{color:#fff;background:radial-gradient(circle at 14% 20%,#8be9ff1f,#0000 14rem),#07111fad;border:1px solid #8be9ff38;border-radius:18px;gap:4px;width:100%;padding:16px 18px;font-size:clamp(1.15rem,2.4vw,1.55rem);font-weight:900;line-height:1.35;display:grid}.graph-coordinate-inputs,.graph-answer-grid{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.graph-coordinate-field,.graph-answer-grid label{color:#8be9ff;flex-wrap:wrap;align-items:center;gap:8px;font-weight:900;display:inline-flex}.graph-coordinate-field>label{font-size:1rem}.graph-coordinate-control{align-items:stretch;gap:6px;display:inline-flex}.graph-coordinate-inputs input,.graph-answer-grid input{color:#fff;background:#07111fa3;border:1px solid #ffffff29;border-radius:8px;width:94px;min-height:46px;padding:0 12px;font-size:1.1rem;font-weight:900}.graph-coordinate-inputs input:focus,.graph-answer-grid input:focus{border-color:#8be9ff94;outline:none;box-shadow:0 0 0 4px #8be9ff1a}.graph-coordinate-inputs input:disabled,.graph-coordinate-sign-button:disabled{cursor:not-allowed;opacity:.56}.graph-coordinate-sign-button{color:#dff9ff;width:46px;min-height:46px;font:inherit;cursor:pointer;touch-action:manipulation;background:#153448c2;border:1px solid #8be9ff52;border-radius:8px;font-size:1.12rem;font-weight:950}.graph-coordinate-sign-button:hover:not(:disabled){background:#1f4e65e6;border-color:#8be9ffb8}.graph-coordinate-sign-button:focus-visible{outline-offset:2px;outline:3px solid #8be9ff52}.graph-coordinate-error{color:#fda4af;flex:100%;max-width:240px;font-size:.76rem;font-weight:750;line-height:1.25}.graph-options{gap:9px;display:grid}.graph-options button{color:#e9f4ff;text-align:left;background:#ffffff0e;border:1px solid #ffffff24;border-radius:8px;min-height:50px;padding:0 14px;font-weight:900}.graph-options button:hover,.graph-options button.active,.graph-options button.hovered{background:#8be9ff1f;border-color:#8be9ff61}.graph-options button:disabled{cursor:default}.graph-options button:disabled:not(.active):not(.correct):not(.wrong){opacity:.62}.graph-options button.correct{color:#d9fff5;background:#5eead421;border-color:#5eead485}.graph-options button.wrong{color:#ffd8df;background:#fb71851a;border-color:#fb71856b}.graph-letter-options{grid-template-columns:repeat(2,minmax(0,1fr))}.graph-helper-note,.graph-theory-note,.graph-feedback{border-radius:8px;padding:12px 14px;line-height:1.45}.graph-helper-note{color:#b8cde1;background:#8be9ff12;border:1px solid #8be9ff29}.graph-theory-note{color:#cbd6e2;background:#a78bfa13;border:1px solid #a78bfa2e}.graph-theory-note strong{color:#f0abfc;margin-bottom:6px;display:block}.graph-theory-note p{margin:0}.graph-feedback{color:#dff8ff;background:#8be9ff14;border:1px solid #8be9ff33;font-weight:800}.graph-feedback.success{color:#d9fff5;background:#5eead41a;border-color:#5eead457}.graph-feedback.error{color:#ffd8df;background:#fb71851a;border-color:#fb718552}.graph-actions{justify-content:flex-start;gap:12px;margin-top:6px;padding:8px 0 2px}.course-program-stack,.course-weeks-manager,.course-week-list,.week-material-admin-list,.week-homework-submit,.course-material-file-card{gap:16px;min-width:0;display:grid}.course-weeks-manager{grid-template-columns:minmax(280px,.8fr) minmax(420px,1.2fr);align-items:start}.week-create-form,.week-edit-grid{gap:10px;min-width:0;display:grid}.builder-inline-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;min-width:0;display:flex}.week-create-form input,.week-create-form textarea,.week-edit-grid input,.week-edit-grid textarea,.week-material-admin-card input,.week-material-admin-card textarea,.week-homework-submit textarea,.course-file-upload input{color:#f7fbff;background:#07111fa8;border:1px solid #ffffff21;border-radius:8px;width:100%;padding:11px 12px}.week-create-form label,.week-material-admin-actions label,.course-file-upload{color:#cbd6e2;align-items:center;gap:8px;min-width:0;font-weight:800;display:flex}.course-file-upload{flex-direction:column;align-items:flex-start;max-width:100%}.course-file-upload small{color:#9fb0c5;font-weight:700}.material-file-dropzone{text-align:center;cursor:pointer;background:radial-gradient(circle,#5eead414,#0000 58%),#07111f9e;border:1px dashed #7dd3fc61;border-radius:14px;justify-content:center;align-items:center;min-width:0;max-width:100%;min-height:168px;padding:22px;transition:border-color .18s,background .18s,transform .18s;position:relative}.material-file-dropzone:hover,.material-file-dropzone.drag-active{background:radial-gradient(circle,#5eead426,#0000 60%),#0a1c2eb8;border-color:#5eead4b8;transform:translateY(-1px)}.material-file-dropzone input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.material-file-dropzone strong{color:#06111f;text-align:center;overflow-wrap:anywhere;background:linear-gradient(135deg,#7dd3fc,#5eead4);border-radius:999px;justify-content:center;align-items:center;max-width:100%;margin:4px 0;padding:10px 16px;font-weight:900;display:inline-flex}.material-file-dropzone em{color:#d9e6f8;overflow-wrap:anywhere;max-width:520px;font-style:normal;font-weight:800}.material-file-dropzone .file-upload-error{color:#fecdd3}.course-admin-hero{align-items:center}.clean-course-grid{align-items:stretch}.clean-course-card{min-height:260px}.course-card-stats{flex-wrap:wrap;gap:10px;min-width:0;margin-top:18px;display:flex}.course-card-stats span{color:#aebdd0;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:8px;min-width:min(104px,100%);max-width:100%;padding:10px 12px;display:grid}.course-card-stats b{color:#f7fbff;font-size:1.25rem}.clean-course-actions,.course-structure-actions,.week-row-actions{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}.course-card-more{position:relative}.course-card-more summary{color:#e7edf7;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:8px;align-items:center;max-width:100%;min-height:40px;padding:0 14px;list-style:none;display:inline-flex}.course-card-more summary::-webkit-details-marker{display:none}.course-card-more[open]{z-index:4}.course-card-more[open] summary{border-color:#5eead459}.course-card-more[open]:after{content:"";z-index:-1;position:fixed;inset:0}.course-card-more>button{width:100%;margin-top:8px;display:flex}.course-create-screen{gap:18px;display:grid}.course-create-card{min-width:0;max-width:860px}.course-create-form{min-width:0;max-width:760px}.course-create-actions{margin-top:8px}.course-access-stack,.course-structure-manager,.course-week-accordion{gap:16px;min-width:0;display:grid}.course-structure-header{justify-content:space-between;align-items:center;gap:20px;min-width:0;display:flex}.course-structure-header p{max-width:720px}.course-week-admin-card{min-width:0;padding:0;overflow:hidden}.course-week-admin-summary{width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:22px 24px;display:grid}.course-week-admin-summary:hover{background:#ffffff09}.course-week-admin-summary strong,.week-material-lines strong{color:#f7fbff;overflow-wrap:anywhere;display:block}.course-week-admin-summary small,.week-material-lines small{color:#9fb0c5;overflow-wrap:anywhere;margin-top:4px;display:block}.course-week-admin-summary em,.week-material-lines em{color:#aebdd0;overflow-wrap:anywhere;white-space:normal;font-style:normal;font-weight:800}.week-number{color:#c9fff4;text-align:center;overflow-wrap:anywhere;background:#5eead417;border:1px solid #5eead43d;border-radius:999px;justify-content:center;align-items:center;min-width:min(92px,100%);max-width:100%;min-height:36px;font-weight:900;display:inline-flex}.course-week-admin-body{gap:16px;min-width:0;padding:0 24px 24px;display:grid}.week-editor-card{gap:16px;display:grid}.inline-week-editor{background:#ffffff09;border:1px solid #ffffff1a;border-radius:12px;min-width:0;padding:18px}.week-material-lines{gap:10px;min-width:0;display:grid}.week-material-lines button{width:100%;min-width:0;color:inherit;text-align:left;cursor:pointer;background:#ffffff09;border:1px solid #ffffff1a;border-radius:10px;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;display:grid}.week-material-lines button:hover,.week-material-lines button.active{background:#5eead414;border-color:#5eead457}.week-publish-warning{color:#ffe1b7;background:#ffae4a1a;border:1px solid #ffae4a47;border-radius:12px;margin:0;padding:12px 14px;font-weight:800}.week-material-lines button>span{color:#06111f;background:linear-gradient(135deg,#7dd3fc,#5eead4);border-radius:999px;justify-content:center;align-items:center;width:32px;height:32px;font-weight:900;display:inline-flex}.material-editor-panel{gap:16px;min-width:0;display:grid}.material-images-editor{background:#ffffff09;border:1px solid #8be9ff1f;border-radius:14px;gap:14px;min-width:0;padding:16px;display:grid}.material-image-admin-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.material-image-admin-card{background:#050c184d;border:1px solid #ffffff1a;border-radius:12px;gap:10px;min-width:0;padding:12px;display:grid}.material-image-admin-card img{aspect-ratio:4/3;object-fit:cover;background:#050c1880;border-radius:10px;width:100%}.material-image-admin-card input{width:100%;margin-top:8px}.material-image-actions{flex-wrap:wrap;gap:8px;display:flex}.legacy-lessons-archive{padding:0;overflow:hidden}.legacy-lessons-archive summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-width:0;padding:20px 24px;list-style:none;display:flex}.legacy-lessons-archive summary::-webkit-details-marker{display:none}.legacy-lessons-archive summary small{color:#9fb0c5;margin-top:4px;display:block}.legacy-lessons-archive summary em{color:#aebdd0;overflow-wrap:anywhere;font-style:normal;font-weight:800}.legacy-lessons-layout{min-width:0;padding:0 24px 24px}.week-editor-panel{min-width:0}.week-material-admin-card{background:#ffffff0b;border:1px solid #8be9ff21;border-radius:8px;grid-template-columns:minmax(0,1fr) minmax(220px,.46fr);gap:14px;min-width:0;padding:16px;display:grid}.week-material-admin-card span{color:#8be9ff;overflow-wrap:anywhere;max-width:100%;margin-bottom:8px;font-weight:900;display:inline-block}.week-material-admin-card textarea{min-height:82px;margin-top:8px}.week-material-admin-actions{align-content:start;gap:10px;min-width:0;display:grid}.week-material-admin-actions small{color:#aac0d6;overflow-wrap:anywhere}.course-week-card{min-width:0;padding:22px}.course-week-card header{grid-template-columns:auto 1fr auto;align-items:start;gap:16px;min-width:0;margin-bottom:16px;display:grid}.course-week-card header>span,.course-week-card header>b,.week-material-card span{color:#bcefff;overflow-wrap:anywhere;background:#8be9ff1a;border-radius:999px;max-width:100%;padding:6px 10px;font-size:.78rem;font-weight:900;line-height:1.25}.course-week-card h3{margin:0 0 6px}.course-week-card p,.week-material-card p{color:#b8cde1;margin:0}.preserve-lines{white-space:pre-line;overflow-wrap:anywhere;max-width:100%;line-height:1.6}.course-about-block{gap:10px;min-width:0;max-width:920px;padding:24px;display:grid;overflow:clip}.course-about-block .eyebrow{margin:0 0 6px}.course-about-block h2{margin:0}.rich-text-block{color:#d7e3f3;white-space:pre-line;overflow-wrap:anywhere;min-width:0;max-width:780px;line-height:1.72}.course-full-description{font-size:1rem}.course-week-material-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;min-width:0;display:grid}.week-material-card{color:#f7fbff;text-align:left;background:#ffffff0e;border:1px solid #ffffff1f;border-radius:8px;align-content:start;gap:10px;min-width:0;min-height:170px;padding:16px;display:grid}.week-material-card:hover:not(:disabled){background:#8be9ff17;border-color:#8be9ff61}.week-material-card.locked{opacity:.64}.week-material-card b{color:#5eead4;align-self:end}.week-material-empty{color:#b8cde1;background:#8be9ff0f;border:1px dashed #8be9ff33;border-radius:12px;grid-column:1/-1;padding:16px;font-weight:800}.material-open-label{color:#05111d;overflow-wrap:anywhere;text-align:center;background:linear-gradient(135deg,#7dd3fc,#5eead4);border-radius:999px;justify-content:center;width:fit-content;max-width:100%;margin-top:4px;padding:8px 12px;font-size:.82rem;font-weight:900;line-height:1.25;display:inline-flex}.course-material-view{border-color:#5eead43d;gap:18px;min-width:0;padding:30px;scroll-margin-top:24px;display:grid;box-shadow:0 28px 90px #00000052,inset 0 0 0 1px #5eead40a}.material-photo-gallery{gap:16px;min-width:0;display:grid}.material-photo-card{background:#ffffff0b;border:1px solid #8be9ff24;border-radius:14px;min-width:0;margin:0;padding:12px}.material-photo-card img{object-fit:contain;background:#050c1870;border-radius:10px;width:100%;max-height:980px;display:block}.material-photo-card figcaption{color:#c9d7e8;overflow-wrap:anywhere;margin-top:10px;font-weight:800}.lesson-like-material{gap:22px;min-width:0}.material-content-block{color:#dce8f6;background:#ffffff09;border:1px solid #ffffff1a;border-radius:14px;gap:12px;min-width:0;padding:22px;display:grid}.material-content-block h3{color:#f8fbff;margin:0}.material-content-block p,.material-content-block ol{white-space:pre-line;margin:0;line-height:1.65}.homework-task-student-block,.homework-task-editor,.homework-task-list,.homework-task-student-list{gap:14px;min-width:0;display:grid}.homework-task-student-card,.homework-task-admin-card{background:#ffffff09;border:1px solid #ffffff1a;border-radius:12px;gap:12px;min-width:0;padding:16px;display:grid}.homework-task-student-card.correct{background:#5eead412;border-color:#5eead461}.homework-task-student-card.wrong{background:#fb71850f;border-color:#fb718552}.homework-task-student-card>div,.homework-task-admin-head{justify-content:space-between;align-items:center;gap:12px;min-width:0;display:flex}.homework-task-student-card span,.homework-task-admin-head span{color:#7dd3fc;overflow-wrap:anywhere;min-width:0;font-weight:900}.homework-task-student-card label,.homework-task-admin-card label{color:#cbd6e2;gap:7px;min-width:0;font-weight:800;display:grid}.homework-task-student-card input,.homework-task-admin-card input,.homework-task-admin-card select,.homework-task-admin-card textarea{color:#f7fbff;background:#07111fa8;border:1px solid #ffffff21;border-radius:8px;width:100%;padding:11px 12px}.homework-task-student-card small{color:#d8f7ff;overflow-wrap:anywhere;font-weight:900}.homework-task-check-result{background:#ffffff0b;border:1px solid #ffffff1f;border-radius:10px;gap:6px;padding:10px 12px;display:grid}.homework-task-check-result strong{font-size:.95rem}.homework-task-check-result p{color:#cbd6e2;white-space:pre-line;margin:0;line-height:1.55}.homework-task-check-result.correct{background:#5eead414;border-color:#5eead461}.homework-task-check-result.wrong{background:#fb718514;border-color:#fb718557}.homework-check-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.homework-check-summary{color:#c9f6ff;overflow-wrap:anywhere;background:#8be9ff1f;border:1px solid #8be9ff2e;border-radius:14px;margin:0;padding:12px 14px;font-weight:900}.homework-check-summary.completed{color:#dcfff9;background:#5eead41a;border-color:#5eead440}.supplemental-file-card{border-style:dashed}.course-material-file-card{background:#ffffff0d;border:1px solid #8be9ff24;border-radius:8px;min-width:0;padding:16px}.course-material-file-card iframe{background:#fff;border:0;border-radius:8px;width:100%;min-height:520px}.math-fraction{vertical-align:middle;white-space:nowrap;align-items:center;gap:.08em;display:inline-flex}.math-fraction-sign{line-height:1}.math-fraction-stack{grid-template-rows:auto auto;place-items:center;min-width:1.05em;line-height:1;display:inline-grid}.math-fraction-stack span{padding:0 .16em;display:block}.math-fraction-stack span:first-child{border-bottom:.08em solid;padding-bottom:.08em}.math-fraction-stack span:last-child{padding-top:.08em}.coordinate-plane-shell{background:radial-gradient(circle at 18% 12%,#8be9ff21,#0000 28rem),radial-gradient(circle at 84% 18%,#a78bfa1f,#0000 24rem),#050c19bd;border:1px solid #8be9ff2e;border-radius:8px;min-width:0;padding:12px;box-shadow:0 26px 80px #00000052,inset 0 0 44px #8be9ff09}.coordinate-plane{aspect-ratio:1;border-radius:8px;width:100%;max-width:100%;display:block}.coordinate-plane.selectable{cursor:crosshair}.coordinate-plane-bg{fill:#06101ff0}.coordinate-grid line{stroke:#8ba6c233;stroke-width:1px}.coordinate-axis line{stroke:#8be9ffa3;stroke-width:2.6px;filter:url(#coordinateGlow)}.coordinate-ticks text,.coordinate-axis-labels text{fill:#8daac1;text-anchor:middle;-webkit-user-select:none;user-select:none;font-size:15px;font-weight:800}.coordinate-axis-labels text{fill:#8be9ff;font-size:19px}.coordinate-graph-line,.coordinate-graphs polyline{fill:none;stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;filter:url(#coordinateGlow);transition:stroke-width .16s,opacity .16s,filter .16s}.coordinate-graph-line.dashed,.coordinate-graphs polyline.dashed,.coordinate-segments line.dashed{stroke-dasharray:10 8}.coordinate-graph-hit-area{fill:none;stroke:#0000;stroke-width:18px;stroke-linecap:round;stroke-linejoin:round;pointer-events:stroke;cursor:pointer}.coordinate-graph-item.interactive{cursor:pointer}.coordinate-graph-item.hovered,.coordinate-graph-item.selected{isolation:isolate}.coordinate-graph-item.hovered .coordinate-graph-line,.coordinate-graph-item.selected .coordinate-graph-line{stroke-width:5.6px;filter:url(#coordinateGlow)drop-shadow(0 0 10px #8be9ff61)}.coordinate-graph-label{filter:url(#coordinateGlow);paint-order:stroke;stroke:#050c19e6;stroke-width:4px;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:18px;font-weight:900;transition:font-size .16s,filter .16s}.coordinate-graph-item.hovered .coordinate-graph-label,.coordinate-graph-item.selected .coordinate-graph-label{filter:url(#coordinateGlow)drop-shadow(0 0 9px #8be9ff73);font-size:20px}.coordinate-segments line{stroke-width:4px;stroke-linecap:round;filter:url(#coordinateGlow)}.coordinate-point circle{fill:#f0abfc;stroke:#ffffffd1;stroke-width:2px}.coordinate-point.user circle{fill:#8be9ff}.coordinate-point.success circle{fill:#5eead4}.coordinate-point.error circle{fill:#fb7185}.coordinate-point.glow circle{filter:url(#coordinateGlow)}.coordinate-point text,.coordinate-hover-point text{fill:#f6fbff;paint-order:stroke;stroke:#050c19db;stroke-width:4px;font-size:18px;font-weight:900}.coordinate-hover-point{pointer-events:none}.coordinate-hover-point circle{fill:#8be9ff1f;stroke:#8be9ffb8;stroke-width:2px}.cards-grid{gap:18px;display:grid}.cards-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.training-modes-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.arithmetic-modes-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exercise-card{-webkit-backdrop-filter:none;backdrop-filter:none;background:linear-gradient(145deg,#2e3754fa,#19243afa);flex-direction:column;min-height:270px;padding:26px;transition:transform .2s,border-color .2s;display:flex}.exercise-card-meta{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px;min-height:58px;display:flex}.rating-badge,.progress-badge{text-transform:uppercase;border-radius:999px;padding:6px 9px;font-size:.68rem;font-weight:900}.rating-badge{color:#ffd990;background:#ffc25e26}.progress-badge{color:#bcefff;background:#8be9ff1a}.exercise-card p{flex:1}.exercise-card.accent-cyan:hover{border-color:#8be9ff80}.exercise-card.accent-green:hover{border-color:#3fe89e80}.exercise-card.accent-violet:hover,.exercise-card.accent-blue:hover,.exercise-card.accent-mint:hover,.exercise-card.accent-pink:hover,.exercise-card.accent-orange:hover,.exercise-card.accent-lime:hover{border-color:#8be9ff6b}.split-block{grid-template-columns:.9fr 1.1fr;align-items:start;gap:26px;display:grid}.feature-list,.tag-grid,.stats-grid,.result-grid{gap:12px;display:grid}.feature-list{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-item,.tag-grid span{color:#f7fbff;background:#ffffff12;border:1px solid #ffffff1f;border-radius:18px;padding:16px 18px;font-weight:800}.ecosystem{padding:28px}.tag-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin:22px 0}.page-heading{max-width:780px;margin-bottom:30px}.page-heading h1{max-width:920px}.page-heading.compact h1{font-size:clamp(2.4rem,4.5vw,4.2rem);line-height:1.08}.profile-page .page-heading h1{font-size:clamp(2.5rem,4.8vw,4.3rem);line-height:1.08}.exercise-heading-nav{align-items:center;gap:14px;margin-bottom:16px;display:flex}.exercise-heading-nav .eyebrow{margin:0}.trainer-grid{grid-template-columns:280px 1fr;align-items:stretch;gap:18px;display:grid}.trainer-stats{-webkit-backdrop-filter:none;backdrop-filter:none;background:linear-gradient(145deg,#303956fa,#19273efa);gap:1px;display:grid;overflow:hidden}.trainer-stats div{background:0 0;padding:22px}.trainer-stats div+div{border-top:1px solid #050c1838}.stat-card{background:#ffffff0e;padding:22px}.trainer-stats span,.stat-card span,.result-grid span{color:#aac0d6;margin-bottom:8px;font-size:.82rem;font-weight:800;display:block}.trainer-stats strong,.stat-card strong,.result-grid strong{font-size:1.65rem}.danger-stat{color:#ffc7d6;animation:.8s infinite alternate pulseDanger;background:#ff56802e!important}.trainer-card{text-align:center;flex-direction:column;justify-content:center;min-height:560px;padding:clamp(24px,5vw,46px);display:flex}.trainer-actions{justify-content:flex-end;min-height:42px;margin-bottom:12px;display:flex}.trainer-actions:empty{display:none}.restart-training-button{color:#dff9ff;background:#050c1857;border:1px solid #8be9ff4d;border-radius:14px;align-items:center;gap:8px;min-height:42px;padding:0 16px;font-weight:900;transition:border-color .2s,background .2s,transform .2s;display:inline-flex}.restart-training-button span{font-size:1.35rem;line-height:1}.restart-training-button:hover{background:#20d8ff24;border-color:#8be9ffb3;transform:translateY(-1px)}.training-review-block{background:#08112273;border:1px solid #7dd3fc38;border-radius:16px;margin-top:1.2rem;padding:1rem}.training-review-head{justify-content:space-between;align-items:flex-start;gap:1rem;min-width:0;margin-bottom:.9rem;display:flex}.training-review-head h3,.training-review-head p{overflow-wrap:anywhere;max-width:100%;margin:.15rem 0 0}.training-review-empty{color:#bbf7d0;background:#22c55e1f;border:1px solid #22c55e33;border-radius:14px;padding:.9rem 1rem}.training-attempt-list{gap:.75rem;display:grid}.training-attempt-card{background:#0f172a8c;border:1px solid #94a3b833;border-radius:14px;min-width:0;padding:.9rem}.training-attempt-card.wrong{background:#7f1d1d2e;border-color:#f8717159}.training-attempt-card.correct{background:#14532d24;border-color:#22c55e47}.training-attempt-card header{justify-content:space-between;gap:.75rem;margin-bottom:.55rem;display:flex}.training-attempt-card header span,.training-attempt-card header strong{font-size:.82rem}.training-attempt-card p{overflow-wrap:anywhere;margin:0 0 .75rem;font-weight:700}.training-attempt-card dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin:0;display:grid}.training-attempt-card dt{color:var(--muted);font-size:.78rem}.training-attempt-card dd{overflow-wrap:anywhere;margin:.2rem 0 0;font-weight:700}.training-history-panel{gap:1rem;display:grid}.profile-training-review,.admin-training-review{margin-top:0}.progress-track{background:#ffffff1a;border-radius:999px;height:12px;margin-bottom:40px;overflow:hidden}.difficulty-panel{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:min(620px,100%);margin:0 auto 28px;display:grid}.difficulty-panel button{color:#d9e7f4;text-align:left;background:#050c185c;border:1px solid #ffffff24;border-radius:18px;min-height:74px;padding:12px}.difficulty-panel button.active{background:linear-gradient(135deg,#20d8ff38,#3fe89e29);border-color:#8be9ffb8;box-shadow:inset 0 1px #ffffff29}.difficulty-panel strong,.difficulty-panel span{display:block}.difficulty-panel strong{color:#fff;margin-bottom:5px;font-size:1rem}.difficulty-panel span{color:#aac0d6;font-size:.78rem;font-weight:800}.leaderboard-difficulty{margin:0 0 18px}.progress-track span{border-radius:inherit;background:linear-gradient(90deg,#3fe89e,#20d8ff,#6e68ff);height:100%;transition:width .3s;display:block}.task-zone h2{margin-bottom:16px;font-size:clamp(3.8rem,9vw,6.8rem);animation:.25s both taskIn}.task-instruction{color:#b8cbe0;margin:0 0 14px;font-size:1rem;font-weight:800}.equation-instruction{color:#8be9ff;font-size:1.08rem;font-weight:900}.compact-expression-zone{padding-bottom:4px;overflow:auto hidden}.compact-expression-zone h2{white-space:nowrap;width:max-content;min-width:100%;font-size:clamp(2.6rem,6vw,4.8rem);line-height:1.05}.word-task-zone h2{white-space:normal;width:100%;font-size:clamp(1.9rem,4vw,3.3rem);line-height:1.2}.answer-hint,.notice,.form-error{color:#ffc2d2;background:#ff698e24;border-radius:14px;width:fit-content;margin:0 auto 18px;padding:10px 14px;font-weight:900}.notice{color:#c9f6ff;background:#8be9ff1f}.local-mode-note{color:#c9f6ff;background:#8be9ff1a;border-radius:14px;width:fit-content;margin-bottom:18px;padding:9px 12px;font-size:.92rem;font-weight:800}.start-training-button{width:min(260px,100%);margin:0 auto}.answer-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:min(560px,100%);margin:0 auto;display:grid}.manual-answer-form{text-align:left;width:min(620px,100%);margin:0 auto}.manual-answer-form label{color:#aac0d6;margin-bottom:8px;font-size:.85rem;font-weight:900;display:block}.manual-answer-form>div{grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.manual-answer-form input{color:#fff;background:#050c1894;border:1px solid #8be9ff73;border-radius:17px;outline:0;width:100%;min-width:0;min-height:64px;padding:0 18px;font-size:1.7rem;font-weight:900}.manual-answer-form input:focus{border-color:#8be9ff;box-shadow:0 0 0 4px #8be9ff1f}.fraction-answer-form{justify-items:center;gap:14px;width:min(420px,100%);margin:0 auto;display:grid}.fraction-answer-label{color:#aac0d6;font-weight:900}.fraction-input{gap:8px;width:150px;display:grid}.fraction-input input{color:#fff;text-align:center;background:#050c188c;border:1px solid #ffffff29;border-radius:14px;width:100%;height:58px;font-size:1.35rem;font-weight:900}.fraction-input span{background:#dff9ff;border-radius:999px;height:3px}.fraction-answer-form p{color:#aac0d6;margin:0;font-size:.92rem}.fraction-answer-form .primary-button{width:min(260px,100%)}.answer-option{color:#fff;-webkit-tap-highlight-color:transparent;background:#050c1875;border:1px solid #ffffff29;border-radius:22px;outline:0;min-height:82px;font-size:clamp(1.55rem,4vw,2.4rem);font-weight:900;transition:transform .18s,border-color .18s,background .18s,box-shadow .18s;box-shadow:inset 0 1px #ffffff14}.answer-option:focus,.answer-option:focus-visible{outline:0}@media (hover:hover) and (pointer:fine){.answer-option:hover:not(:disabled){background:#8be9ff1f;border-color:#8be9ff6b;transform:translateY(-2px)}}@media (hover:none),(pointer:coarse){.answer-option:hover,.answer-option:active,.answer-option:focus,.answer-option:focus-visible{background:#050c1875;border-color:#ffffff29;transform:none;box-shadow:inset 0 1px #ffffff14}.answer-option.option-correct{background:linear-gradient(135deg,#3fe89ef2,#20d8ffd1);border-color:#3fe89ef2;box-shadow:0 0 38px #3fe89e57}.answer-option.option-wrong{background:linear-gradient(135deg,#ff5e80f2,#9c3760d9);border-color:#ff5e80f2;box-shadow:0 0 34px #ff5e8047}}.answer-option.option-correct{color:#06131f;background:linear-gradient(135deg,#3fe89ef2,#20d8ffd1);border-color:#3fe89ef2;animation:.52s both optionCorrect;box-shadow:0 0 38px #3fe89e57}.answer-option.option-wrong{color:#fff;background:linear-gradient(135deg,#ff5e80f2,#9c3760d9);border-color:#ff5e80f2;animation:.42s both optionWrong;box-shadow:0 0 34px #ff5e8047}.auth-card input{color:#fff;background:#050c188a;border:1px solid #ffffff29;border-radius:18px;outline:0;width:100%;min-height:62px;padding:0 18px;font-size:1.25rem;font-weight:900}.auth-card input:focus{border-color:#8be9ff;box-shadow:0 0 0 4px #8be9ff1f}.password-field{grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:10px;display:grid}.password-field input{min-width:0;padding-right:18px}.password-toggle{color:#c9f6ff;background:#8be9ff1a;border:1px solid #8be9ff3d;border-radius:18px;min-width:102px;min-height:62px;padding:0 12px;font-size:.9rem;font-weight:900;line-height:1}.password-toggle:hover:not(:disabled){background:#8be9ff29;border-color:#8be9ff80}.password-toggle:disabled{cursor:not-allowed;opacity:.55}.correct{animation:.34s correctPulse}.wrong{animation:.34s shake}.result-view h2{font-size:clamp(2.6rem,5vw,4.5rem)}.result-grid{grid-template-columns:repeat(5,minmax(0,1fr));margin:24px 0 12px}.result-grid div{background:#ffffff13;border-radius:18px;padding:18px}.result-difficulty{color:#b8cbe0;background:#8be9ff14;border:1px solid #8be9ff33;border-radius:999px;width:fit-content;margin:10px auto 0;padding:8px 13px;font-size:.9rem;font-weight:800}.result-difficulty strong{color:#eafaff}.result-ranking-card{text-align:left;background:#ffffff13;border:1px solid #8be9ff29;border-radius:18px;width:100%;margin:0 0 18px;padding:18px 20px}.result-ranking-card span{color:#8be9ff;text-transform:uppercase;margin-bottom:7px;font-size:.82rem;font-weight:900;display:block}.result-ranking-card strong{color:#f7fbff;font-size:1.05rem;line-height:1.45}.top-schools-page{gap:72px;display:grid}.top-schools-hero{background:linear-gradient(120deg,#0e263af5,#181d3ff0 58%,#231b44eb);border:1px solid #ffffff29;border-radius:24px;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);align-items:end;gap:40px;min-height:410px;padding:clamp(28px,6vw,70px);display:grid;overflow:hidden;box-shadow:0 30px 90px #00000047}.top-schools-hero h1{overflow-wrap:break-word;word-break:normal;max-width:780px;margin-bottom:22px;font-size:clamp(3rem,6vw,5.5rem);line-height:1.02}.top-schools-lead{color:#d4e2ef;max-width:760px;margin-bottom:0;font-size:clamp(1.05rem,1.8vw,1.3rem)}.top-schools-hero-note{border-top:1px solid #8be9ff6b;padding-top:20px}.top-schools-hero-note span,.top-schools-hero-note strong{display:block}.top-schools-hero-note span{color:#8be9ff;text-transform:uppercase;margin-bottom:9px;font-size:.82rem;font-weight:900}.top-schools-hero-note strong{color:#fff;font-size:1.18rem;line-height:1.5}.top-schools-intro{border-top:1px solid #ffffff26;border-bottom:1px solid #ffffff26;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.top-schools-intro p{color:#d0deeb;margin:0;padding:28px}.top-schools-intro p+p{border-left:1px solid #ffffff26}.top-schools-catalog-intro{max-width:900px;margin-bottom:34px}.top-schools-catalog-intro h2{margin-bottom:20px}.top-schools-catalog-intro>p:not(.eyebrow){color:#ccdbe9;margin-bottom:12px}.top-schools-list{border-top:1px solid #ffffff26}.top-school-list-item{border-bottom:1px solid #ffffff26;grid-template-columns:58px minmax(190px,.72fr) minmax(190px,.62fr) minmax(280px,1.66fr);align-items:center;gap:20px;min-height:150px;padding:22px 4px;transition:background .18s,box-shadow .18s;display:grid}@media (hover:hover) and (pointer:fine){.top-school-list-item:hover{background:#8be9ff0b;box-shadow:inset 3px 0 #8be9ff6b}}.top-school-list-number{color:#8be9ffc2;font-size:1.25rem;font-weight:900}.top-school-list-heading h3{color:#fff;margin-bottom:7px;font-size:1.18rem;line-height:1.3}.top-school-list-heading p{color:#9fb4c9;margin:0;font-size:.84rem;font-weight:800}.top-school-tags{flex-wrap:wrap;gap:7px;display:flex}.top-school-tags span{color:#c8f5ff;background:#8be9ff14;border:1px solid #8be9ff33;border-radius:999px;padding:6px 9px;font-size:.72rem;font-weight:900}.top-school-list-fact{color:#d5e2ed;margin:0;font-size:.94rem;line-height:1.58}.fact-highlight{color:#9eeaff;font-weight:900}.fact-highlight.nowrap{white-space:nowrap}.raex-explainer{background:#8be9ff0e;border-left:3px solid #8be9ff;max-width:860px;margin:28px 0 0 auto;padding:16px 20px}.raex-explainer .eyebrow{margin-bottom:7px}.raex-explainer>p:last-child{color:#cbdbe8;margin:0}.top-schools-preparation,.top-schools-test-picker{background:#ffffff0e;border:1px solid #ffffff26;border-radius:20px;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:clamp(28px,6vw,72px);padding:clamp(26px,5vw,54px);display:grid}.top-schools-preparation h2,.top-schools-test-picker h2,.top-schools-preparation>div:last-child p:last-child,.top-schools-test-picker>div:first-child p:last-child{margin-bottom:0}.top-schools-test-picker{background:linear-gradient(120deg,#12303ed6,#261f48db);align-items:center}.test-picker-list{gap:9px;display:grid}.test-picker-list>div,.test-picker-list>button{min-height:64px;color:inherit;text-align:left;background:#050c1842;border:1px solid #ffffff24;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 15px;display:grid}.test-picker-list>button{cursor:pointer}.test-picker-list>button:hover,.test-picker-list>button.active{background:#8be9ff14;border-color:#8be9ff57}.test-picker-list>div.soon{opacity:.62}.test-picker-list span{color:#8be9ff;font-weight:900}.test-picker-list strong{color:#f7fbff}.test-picker-list small{color:#9cffd1;text-transform:uppercase;font-size:.74rem;font-weight:900}.top-schools-test,.top-schools-test-locked{background:linear-gradient(135deg,#1b3247f0,#222248eb);border:1px solid #8be9ff33;border-radius:8px;padding:clamp(24px,5vw,52px);scroll-margin-top:24px;box-shadow:0 28px 80px #0000003d}.top-schools-test-locked{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px;display:grid}.top-schools-test-locked h2,.top-schools-test-intro h2{max-width:720px}.top-schools-test-locked p,.top-schools-test-intro>div:first-child>p:last-child{max-width:760px;margin-bottom:0}.top-schools-test-intro{grid-template-columns:minmax(0,1fr) minmax(220px,.42fr);align-items:end;gap:28px 40px;display:grid}.top-schools-test-intro>.primary-button{width:fit-content}.top-schools-test-summary{gap:8px;display:grid}.top-schools-test-summary span{color:#d9e9f6;border-bottom:1px solid #ffffff24;padding:10px 0;font-weight:800}.test-answer-note{color:#c9f6ff;background:#8be9ff12;border:1px solid #8be9ff29;border-radius:8px;margin:14px 0 0;padding:12px 14px;font-size:.95rem;font-weight:800}.top-schools-test-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px;display:flex}.top-schools-test-heading h2{margin-bottom:0}.top-schools-test-heading>span{color:#c9f6ff;white-space:nowrap;background:#8be9ff14;border:1px solid #8be9ff33;border-radius:999px;padding:9px 13px;font-size:.88rem;font-weight:900}.top-schools-test-questions{gap:16px;display:grid}.top-school-question{background:#050c184d;border:1px solid #ffffff24;border-radius:8px;padding:clamp(20px,3vw,30px)}.top-school-question-meta{flex-wrap:wrap;align-items:center;gap:10px 16px;margin-bottom:20px;display:flex}.top-school-question-meta span{color:#8be9ff;text-transform:uppercase;font-size:.78rem;font-weight:900}.top-school-question-meta strong{color:#fff}.top-school-question-meta small{color:#9fb4c9;margin-left:auto;font-weight:800}.top-school-question-prompt{color:#e2edf6;max-width:920px;margin-bottom:18px;font-size:1.04rem}.top-school-question-expression{color:#fff;white-space:nowrap;margin:18px 0 22px;font-size:clamp(1.35rem,3vw,2rem);font-weight:900;line-height:1.4;overflow-x:auto}.top-school-question-diagram{background:#8be9ff0f;border-left:3px solid #8be9ff;width:min(560px,100%);margin:18px 0 22px;padding:14px 18px}.top-school-question-diagram strong{color:#fff;margin-bottom:10px;font-size:clamp(1.2rem,3vw,1.7rem);display:block}.top-school-question-diagram div{flex-wrap:wrap;gap:10px 22px;display:flex}.top-school-question-diagram span{color:#c9d7e8;font-weight:800}.top-school-test-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.top-school-test-option{color:#fff;text-align:left;background:#ffffff0e;border:1px solid #ffffff26;border-radius:8px;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:12px;min-height:68px;padding:10px 16px;transition:transform .18s,border-color .18s,background .18s;display:grid}.top-school-test-option>span{color:#bfefff;background:#ffffff1a;border-radius:50%;place-items:center;width:34px;height:34px;font-weight:900;display:grid}.top-school-test-option strong{font-size:1.04rem}@media (hover:hover) and (pointer:fine){.top-school-test-option:hover:not(:disabled){background:#8be9ff1a;border-color:#8be9ff73;transform:translateY(-2px)}}.top-school-test-option.selected{background:#8be9ff26;border-color:#8be9ffb8;box-shadow:inset 0 0 0 1px #8be9ff29}.top-school-test-option:disabled{cursor:default;opacity:1}.top-school-test-option.correct{color:#eafff5;background:#3fe89e29;border-color:#3fe89ebf}.top-school-test-option.correct>span{color:#baffdc;background:#3fe89e42}.top-school-test-option.wrong{background:#ff5e8024;border-color:#ff5e80bf}.top-school-test-option.wrong>span{color:#ffd0dc;background:#ff5e803d}.top-school-answer-review{color:#aebfd0;border-top:1px solid #ffffff1f;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px;margin:18px 0 0;padding-top:15px;font-size:.9rem;display:grid}.top-school-answer-review p{margin:0}.top-school-answer-review strong{color:#fff}.top-school-answer-review span{color:#9cffd1;font-weight:800}.top-school-short-solution{color:#d5e4f1;background:#ffffff0f;border-radius:8px;grid-column:1/-1;padding:12px 14px;line-height:1.55}.top-school-short-solution b{color:#fff}.top-school-test-submit{justify-items:center;margin-top:24px;display:grid}.top-school-test-submit .form-error{margin-bottom:14px}.top-school-test-result{border-top:1px solid #ffffff29;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:32px;margin-top:28px;padding-top:28px;display:grid}.top-school-result-message h3{color:#fff;max-width:760px;font-size:clamp(1.65rem,3vw,2.35rem)}.top-school-result-message>p{max-width:820px}.top-school-trial-copy{color:#eef8ff;border-left:3px solid #3fe89e;margin-bottom:0;padding-left:16px;font-weight:800}.top-school-trial-copy a{color:#8be9ff;white-space:nowrap}.top-school-result-actions{gap:9px;width:min(330px,100%);display:grid}.top-school-pdf-link{text-align:center;justify-content:center;align-items:center;text-decoration:none;display:flex}.result-login-note{color:#c9f6ff;text-align:center;background:#050c1857;border-radius:16px;width:min(720px,100%);margin:0 auto 18px;padding:16px 18px;font-weight:800}.auth-page{place-items:center;display:grid}.auth-card{width:min(520px,100%);padding:34px}.auth-card h1{font-size:clamp(2.2rem,4vw,3.4rem)}.auth-card-copy{margin-bottom:22px}.auth-card label{color:#d9e7f4;gap:8px;margin-bottom:14px;font-weight:800;display:grid}.auth-card .primary-button,.auth-card .ghost-button{width:100%;margin-top:10px}.auth-helper-link{justify-content:flex-end;margin:-2px 0 8px;display:flex}.auth-helper-link .inline-link{font-size:.92rem}.auth-status{width:100%;margin:18px 0 8px;line-height:1.5}.auth-consents{gap:12px;margin:18px 0 6px;display:grid}.auth-card .auth-checkbox-row{color:#c9d7e8;grid-template-columns:22px minmax(0,1fr);align-items:start;gap:11px;margin:0;font-size:.9rem;font-weight:600;line-height:1.5;display:grid}.auth-card .auth-checkbox-row input{accent-color:#3fe89e;width:20px;height:20px;min-height:20px;margin:2px 0 0;padding:0}.inline-link,.site-footer button{color:#8be9ff;text-align:left;text-underline-offset:3px;background:0 0;padding:0;font-weight:800;text-decoration:underline}.inline-link:hover,.site-footer button:hover{color:#fff}.site-footer{z-index:1;color:#aac0d6;border-top:1px solid #ffffff1f;justify-content:space-between;align-items:center;gap:16px;width:min(1180px,100%);margin:28px auto 0;padding:22px 4px 6px;font-size:.88rem;display:flex;position:relative}.site-footer-main{gap:14px;min-width:0;display:grid}.teacher-contacts{background:radial-gradient(circle at 92% 10%,#4bdcff24,#0000 15rem),#081527c7;grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);align-items:center;gap:24px;width:100%;margin-top:42px;padding:24px;display:grid;overflow:hidden}.teacher-contacts-heading,.teacher-contacts-heading h2,.teacher-contacts-heading p{min-width:0;margin-top:0}.teacher-contacts-heading h2{margin-bottom:7px;font-size:clamp(1.35rem,2.2vw,1.85rem)}.teacher-contacts-heading>p:not(.eyebrow){color:#b8cadd;margin-bottom:0;line-height:1.55}.teacher-contact-content{gap:10px;min-width:0;display:grid}.teacher-contact-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;min-width:0;display:grid}.teacher-contact-list>a,.teacher-contact-list>div{color:#f3fbff;background:#030d1b6b;border:1px solid #8be9ff24;border-radius:12px;align-content:center;gap:3px;min-width:0;min-height:58px;padding:10px 12px;text-decoration:none;display:grid}.teacher-contact-list>a:hover,.teacher-contact-list>a:focus-visible{background:#21577147;border-color:#8be9ff85}.teacher-contact-list span{color:#8be9ff;text-transform:uppercase;font-size:.72rem;font-weight:900}.teacher-contact-list strong{overflow-wrap:anywhere;min-width:0;font-size:.9rem}.teacher-contacts.compact{background:0 0;grid-template-columns:1fr;gap:8px;margin:0;padding:0;display:grid}.teacher-contacts.compact .teacher-contacts-heading .eyebrow,.teacher-contacts.compact .teacher-contacts-heading>p:not(.eyebrow){display:none}.teacher-contacts.compact .teacher-contacts-heading h2{margin:0;font-size:.92rem}.teacher-contacts.compact .teacher-contact-list{flex-wrap:wrap;gap:6px 14px;display:flex}.teacher-contacts.compact .teacher-contact-list>a,.teacher-contacts.compact .teacher-contact-list>div{background:0 0;border:0;gap:5px;min-height:0;padding:0;display:flex}.teacher-contacts.compact .teacher-contact-list span{font-size:.68rem}.teacher-contacts.compact .teacher-contact-list strong{color:#dceeff;font-size:.8rem}.teacher-contacts.compact .teacher-contact-content{gap:9px}.social-channels{background:radial-gradient(circle at 88% 14%,#4bdcff1c,#0000 15rem),#071324b3;border:1px solid #8be9ff2e;border-radius:20px;grid-template-columns:minmax(210px,.72fr) minmax(0,1.28fr);align-items:center;gap:24px;min-width:0;padding:clamp(22px,3vw,30px);display:grid;overflow:hidden}.social-channels-heading,.social-channels-heading h2,.social-channels-heading p{min-width:0;margin-top:0}.social-channels-heading h2{margin-bottom:7px;font-size:clamp(1.4rem,2.4vw,2rem)}.social-channels-heading>p:not(.eyebrow){color:#b8cadd;margin-bottom:0;line-height:1.55}.social-channel-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;min-width:0;display:grid}.social-channel-list>a{color:#f3fbff;background:#030d1b7a;border:1px solid #8be9ff2b;border-radius:15px;align-content:center;gap:5px;min-width:0;min-height:74px;padding:13px 42px 13px 13px;text-decoration:none;transition:border-color .16s,background .16s,transform .16s;display:grid;position:relative}.social-channel-list>a:hover,.social-channel-list>a:focus-visible{background:#21577147;border-color:#8be9ff85;transform:translateY(-1px)}.social-channel-list>a:active{transform:translateY(1px)}.social-channel-platform{color:#9ee9ff;letter-spacing:.04em;text-transform:uppercase;background:#56b4ff21;border-radius:999px;width:fit-content;padding:3px 7px;font-size:.66rem;font-weight:900}.social-channel-platform.max{color:#a9ffda;background:#3fe89e1c}.social-channel-list strong{overflow-wrap:anywhere;min-width:0;font-size:.9rem;line-height:1.3}.social-channel-list svg{fill:none;stroke:#8be9ff;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:18px;height:18px;position:absolute;top:13px;right:13px}.social-channels.compact{background:0 0;border:0;border-radius:0;padding:0;display:block}.social-channels.compact .social-channel-list{flex-wrap:wrap;gap:6px 14px;display:flex}.social-channels.compact .social-channel-list>a{background:0 0;border:0;align-items:center;gap:6px;min-height:0;padding:0 22px 0 0;display:flex}.social-channels.compact .social-channel-list>a:hover,.social-channels.compact .social-channel-list>a:focus-visible{color:#8be9ff;transform:none}.social-channels.compact .social-channel-platform{background:0 0;padding:0;font-size:.68rem}.social-channels.compact .social-channel-list strong{color:#dceeff;font-size:.8rem}.social-channels.compact .social-channel-list svg{width:14px;height:14px;top:50%;right:2px;transform:translateY(-50%)}.teacher-contact-content>.social-channels:not(.compact){background:#030d1b4d;border-radius:14px;padding:10px;display:block}.teacher-contact-content>.social-channels:not(.compact) .social-channel-list>a{min-height:58px}.legal-heading{max-width:820px}.legal-document{padding:34px}.legal-document section+section{margin-top:30px}.legal-document h2{font-size:clamp(1.45rem,2.4vw,2rem)}.legal-document p,.legal-document li{color:#c9d7e8;line-height:1.7}.legal-document ul{margin:0;padding-left:22px}.legal-document li+li{margin-top:7px}.tabs{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.tabs button{color:#d9e7f4;background:#ffffff14;border-radius:999px;min-height:48px;padding:0 18px;font-weight:900}.tabs button.active{color:#07111f;background:#fff}.table-card{padding:24px}.leaderboard-note{color:#b9cbe0;max-width:860px;margin:0 0 18px;font-size:.95rem;line-height:1.6}.responsive-table{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;white-space:nowrap;border-bottom:1px solid #ffffff17;padding:15px 12px}th{color:#8be9ff;text-transform:uppercase;font-size:.82rem}td{color:#edf7ff}.empty-state{color:#c9d7e8;text-align:center;background:#ffffff12;border-radius:18px;padding:24px}.stats-grid{grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:22px}.profile-info-card{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:22px;padding:24px 28px;display:grid}.profile-info-card span,.best-result-values span{color:#aac0d6;text-transform:uppercase;margin-bottom:8px;font-size:.82rem;font-weight:900;display:block}.profile-info-card strong{overflow-wrap:anywhere;color:#fff;font-size:1.2rem;display:block}.profile-summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.best-results-layout{gap:28px;display:grid}.best-results-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.calculation-results-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.calculation-result-column{align-content:start;gap:16px;display:grid}.calculation-result-column>h3{color:#8be9ff;margin:0;font-size:1.25rem;line-height:1.3}.best-result-card{flex-direction:column;justify-content:space-between;gap:22px;min-height:210px;padding:22px;display:flex}.best-result-card h3{color:#fff;margin:0 0 8px;font-size:1.2rem;line-height:1.3}.best-result-card p{margin:0}.best-result-values{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.best-result-values>div{background:#050c184d;border-radius:14px;padding:14px}.best-result-values strong{color:#fff;font-size:1.35rem;line-height:1.2;display:block}.no-result{color:#aac0d6;font-weight:800}.quick-actions{margin-top:28px;margin-bottom:22px}.profile-heading{margin-bottom:22px}.profile-identity{border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:48px;display:grid}.profile-identity>div{min-width:0;padding:20px 0}.profile-identity>div+div{border-left:1px solid #ffffff24;padding-left:26px}.profile-identity span,.profile-summary-cards span{color:#aac0d6;text-transform:uppercase;margin-bottom:7px;font-size:.78rem;font-weight:900;display:block}.profile-identity strong{overflow-wrap:anywhere;color:#fff;font-size:1.08rem;display:block}.profile-identity-action{color:#c9f6ff;background:#071628b8;border:1px solid #8be9ff33;border-radius:12px;width:fit-content;min-height:40px;margin-top:8px;padding:0 13px;font-size:.82rem;font-weight:900;line-height:1.2;transition:border-color .16s,background .16s,color .16s,transform .16s;box-shadow:inset 0 0 18px #8be9ff09}.profile-identity-action:hover,.profile-identity-action:focus-visible{color:#fff;background:#12334db3;border-color:#8be9ff80}.profile-identity-action:hover{transform:translateY(-1px)}.profile-identity-action:active{background:#0a2138e0;transform:translateY(1px)}.profile-inline-editor{animation:.18s ease-out both profileDisclosureIn}.profile-section{margin-top:58px}.profile-disclosure{background:#07122385;border:1px solid #ffffff1a;border-radius:14px;margin-top:14px;padding:16px 18px}.profile-disclosure.open{background:#09182cad;border-color:#8be9ff33}.profile-disclosure-heading{justify-content:space-between;align-items:center;gap:18px;min-width:0;display:flex}.profile-disclosure-heading>div{min-width:0}.profile-disclosure-heading .eyebrow{margin-bottom:4px}.profile-disclosure-heading h2{margin:0;font-size:clamp(1.15rem,2.2vw,1.45rem)}.profile-disclosure-heading p:not(.eyebrow){color:#aebfd2;margin:5px 0 0;font-size:.88rem;line-height:1.45}.profile-disclosure-toggle{white-space:nowrap;flex:none}.profile-disclosure-content{border-top:1px solid #ffffff1a;margin-top:16px;padding-top:18px;animation:.18s ease-out both profileDisclosureIn}.profile-inline-details{margin-top:14px}.profile-inline-toggle,.preparation-show-all{width:fit-content}.preparation-show-all{margin-top:14px}@keyframes profileDisclosureIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.compact-section-title{max-width:760px;margin-bottom:20px}.compact-section-title h2{margin-bottom:8px;font-size:clamp(2rem,3.5vw,3rem)}.profile-summary-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.profile-summary-cards article{background:#ffffff0e;border:1px solid #ffffff21;border-radius:8px;flex-direction:column;justify-content:space-between;min-height:136px;padding:20px;display:flex}.profile-summary-cards strong{color:#fff;overflow-wrap:anywhere;font-size:clamp(1.35rem,2.2vw,1.9rem);line-height:1.15}.activity-summary-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.activity-event-list{gap:8px;margin-top:14px;display:grid}.activity-event-row{background:#0f172a75;border:1px solid #8be9ff2e;border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;display:grid}.activity-event-row strong{color:#8be9ff;font-size:1.05rem}.activity-event-row span{color:#edf7ff;overflow-wrap:anywhere;min-width:0;font-weight:800}.activity-event-row small{color:#93a9bd;white-space:nowrap;font-weight:800}.activity-reward-overlay{z-index:9999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:radial-gradient(circle,#2dd4ff1f,#0000 38%),radial-gradient(circle at 50% 56%,#5eead414,#0000 42%),#020817b8;justify-content:center;align-items:center;width:100vw;height:100vh;padding:24px;animation:.22s ease-out both activityOverlayIn;display:flex;position:fixed;inset:0}.activity-reward-overlay.leaving{animation:.36s ease-in both activityOverlayOut}.activity-reward-card{color:#f8fbff;text-align:center;cursor:default;background:linear-gradient(145deg,#0f172af0,#0d1f30eb),#0f172af2;border:1px solid #8be9ff3d;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:min(540px,100%);min-height:330px;padding:38px 34px 32px;animation:.44s cubic-bezier(.18,.89,.32,1.15) both activityCardIn;display:flex;position:relative;overflow:hidden;box-shadow:0 28px 80px #00000075,0 0 54px #2dd4bf29}.activity-reward-glow{filter:blur(12px);background:radial-gradient(circle,#8be9ff33,#0000 68%);border-radius:999px;animation:1.7s ease-in-out infinite activityGlowPulse;position:absolute;inset:18%}.activity-reward-particles{pointer-events:none;position:absolute;inset:0}.activity-reward-particles span{opacity:0;background:linear-gradient(135deg,#8be9ff,#5eead4);border-radius:999px;width:7px;height:7px;animation:2.2s ease-out infinite activityParticle;position:absolute;box-shadow:0 0 16px #5eead4a6}.activity-reward-particles span:first-child{animation-delay:0s;top:42%;left:18%}.activity-reward-particles span:nth-child(2){animation-delay:.19s;top:64%;left:28%}.activity-reward-particles span:nth-child(3){animation-delay:.36s;top:26%;left:42%}.activity-reward-particles span:nth-child(4){animation-delay:.54s;top:70%;left:58%}.activity-reward-particles span:nth-child(5){animation-delay:.72s;top:36%;left:70%}.activity-reward-particles span:nth-child(6){animation-delay:.88s;top:58%;left:78%}.activity-reward-particles span:nth-child(7){animation-delay:1.04s;top:76%;left:36%}.activity-reward-particles span:nth-child(8){animation-delay:1.2s;top:22%;left:64%}.activity-reward-badge,.activity-reward-value,.activity-reward-copy,.activity-reward-note{z-index:1;position:relative}.activity-reward-badge{color:#8be9ff;letter-spacing:0;text-transform:uppercase;background:#8be9ff17;border:1px solid #8be9ff42;border-radius:999px;padding:7px 12px;font-size:.72rem;font-weight:900}.activity-reward-value{color:#fff;letter-spacing:0;text-shadow:0 0 28px #5eead447;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:10px;font-size:clamp(2.35rem,7vw,4.3rem);line-height:1.03;display:flex}.activity-reward-value small{color:#dff8ff;font-size:clamp(1.45rem,4vw,2.15rem);font-weight:900}.activity-reward-copy{color:#dff8ff;font-size:clamp(1rem,2.4vw,1.22rem);font-weight:900}.activity-reward-note{color:#9db5c9;max-width:340px;font-size:.92rem;font-weight:700;line-height:1.45}.activity-reward-close{z-index:2;color:#cfe4f3;cursor:pointer;background:#ffffff14;border:1px solid #ffffff24;border-radius:999px;place-items:center;width:36px;height:36px;font-size:1.3rem;line-height:1;transition:border-color .16s,background .16s,color .16s;display:grid;position:absolute;top:12px;right:12px}.activity-reward-close:hover{color:#fff;background:#8be9ff24;border-color:#8be9ff73}.activity-reward-continue{z-index:1;color:#03111b;cursor:pointer;background:linear-gradient(135deg,#8be9ff,#5eead4);border:1px solid #8be9ff52;border-radius:999px;min-width:178px;min-height:48px;margin-top:8px;padding:0 24px;font-size:.95rem;font-weight:900;transition:transform .16s,box-shadow .16s,filter .16s;position:relative;box-shadow:0 14px 36px #2dd4bf33}.activity-reward-continue:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 18px 46px #2dd4bf47}.profile-ranking-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.profile-ranking-card{background:#ffffff0e;border:1px solid #ffc25e38;border-radius:8px;flex-direction:column;justify-content:space-between;gap:24px;min-height:230px;padding:20px;display:flex}.profile-ranking-card>div:first-child>span{color:#ffd990;text-transform:uppercase;font-size:.74rem;font-weight:900}.profile-ranking-card h3{margin-top:8px;font-size:1.18rem;line-height:1.3}.profile-ranking-card dl{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;display:grid}.profile-ranking-card dl div{min-width:0}.profile-ranking-card dt{color:#aac0d6;margin-bottom:5px;font-size:.68rem;font-weight:800}.profile-ranking-card dd{color:#fff;overflow-wrap:anywhere;margin:0;font-size:1rem;font-weight:900}.profile-empty-state,.profile-history-empty{color:#aac0d6}.profile-empty-state strong,.profile-empty-state span{display:block}.profile-empty-state strong{color:#d9e7f4;margin-bottom:5px}.profile-empty-state span{font-size:.88rem}.profile-topic-groups{gap:14px;display:grid}.profile-topic-group{background:#ffffff0b;border:1px solid #ffffff21;border-radius:8px;grid-template-columns:minmax(230px,.7fr) minmax(0,1.3fr);display:grid;overflow:hidden}.profile-topic-group header{padding:22px}.profile-topic-group header h3{margin-bottom:8px;font-size:1.2rem}.profile-topic-group header p{margin:0;font-size:.9rem}.profile-topic-group>div{border-left:1px solid #ffffff1f}.profile-progress-row{grid-template-columns:minmax(110px,.8fr) minmax(0,1.2fr);align-items:center;gap:14px;min-height:68px;padding:13px 18px;display:grid}.profile-progress-row+.profile-progress-row{border-top:1px solid #ffffff1a}.profile-progress-row>strong{color:#fff;font-size:.94rem}.profile-progress-row>div{color:#c9d7e8;justify-content:flex-end;gap:16px;font-size:.86rem;font-weight:800;display:flex}.profile-empty-value{color:#8198af;text-align:right;font-size:.86rem}.profile-column-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.profile-column-grid .profile-topic-group{grid-template-columns:1fr}.profile-column-grid .profile-topic-group>div{border-top:1px solid #ffffff1f;border-left:0}.profile-history-section{background:#ffffff0a;border:1px solid #ffffff21;border-radius:8px;padding:24px}.profile-history-empty{text-align:center;padding:20px 0}.profile-history-empty strong{color:#fff;margin-bottom:6px;display:block}.profile-history-empty p{margin:0}.home-courses-band{background:#ffffff0f;border:1px solid #8be9ff33;border-radius:24px;justify-content:space-between;align-items:center;gap:24px;padding:30px;display:flex}.home-courses-band h2,.home-courses-band p{margin-bottom:8px}.home-social-channels{margin-top:44px}.course-format-highlights{background:linear-gradient(135deg,#0d2239c7,#081427ad);border:1px solid #8be9ff33;border-radius:20px;grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);align-items:center;gap:22px;margin:26px 0 34px;padding:22px;display:grid;box-shadow:inset 0 1px #ffffff08}.course-format-heading,.course-format-heading h2,.course-format-heading p{min-width:0;margin-top:0}.course-format-heading h2{margin-bottom:7px;font-size:clamp(1.35rem,2.2vw,1.8rem)}.course-format-heading>p:not(.eyebrow){color:#c5d8e8;margin-bottom:0;line-height:1.5}.course-format-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;min-width:0;display:grid}.course-format-list article{background:#020c195c;border:1px solid #8be9ff24;border-radius:14px;grid-template-columns:34px minmax(0,1fr);align-items:start;gap:11px;min-width:0;min-height:88px;padding:14px;display:grid}.course-format-list svg{fill:none;stroke:#8be9ff;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7px;background:#8be9ff17;border-radius:9px;width:30px;height:30px;padding:6px}.course-format-list strong,.course-format-list span{overflow-wrap:anywhere;min-width:0;display:block}.course-format-list strong{color:#eefaff;font-size:.92rem;line-height:1.35}.course-format-list span{color:#9fb6ca;margin-top:4px;font-size:.78rem;line-height:1.4}.course-format-highlights.compact{margin-top:22px;margin-bottom:26px;padding:18px 20px}.course-format-highlights.compact .course-format-heading h2{font-size:1.35rem}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.course-card{flex-direction:column;display:flex;overflow:hidden}.course-card>img,.course-card>.image-fallback,.course-cover-placeholder{aspect-ratio:16/9;object-fit:cover;width:100%}.course-cover-placeholder{color:#fff;background:linear-gradient(135deg,#20d8ff47,#6e68ff52);place-items:center;font-size:1.6rem;font-weight:900;display:grid}.image-fallback{color:#c9d7e8;text-align:center;background:linear-gradient(135deg,#20d8ff2e,#6e68ff33);place-items:center;min-height:180px;padding:20px;font-weight:900;display:grid}.course-card-body{flex-direction:column;flex:1;align-items:flex-start;padding:22px;display:flex}.course-card-body h2{margin-top:12px;font-size:1.55rem}.course-card-body p{flex:1}.course-card-body button{width:100%}.course-status{text-transform:uppercase;border-radius:999px;padding:7px 10px;font-size:.76rem;font-weight:900}.course-status.available{color:#9cffd1;background:#3fe89e24}.course-status.locked{color:#c9d7e8;background:#ffffff17}.courses-empty{text-align:center;padding:42px}.course-page>.ghost-button,.lesson-page>.ghost-button{margin-bottom:24px}.course-header{grid-template-columns:minmax(0,1fr) minmax(260px,.45fr);align-items:center;gap:30px;min-width:0;display:grid}.course-header img,.course-header .image-fallback{aspect-ratio:16/9;object-fit:cover;border-radius:20px;width:100%;min-width:0}.access-message{margin-top:28px;padding:22px}.access-message strong{color:#fff;margin-bottom:6px;font-size:1.15rem;display:block}.access-message p{margin:0}.lesson-list{gap:12px;display:grid}.lesson-list-item{color:#fff;text-align:left;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:18px;width:100%;min-width:0;min-height:108px;padding:20px;display:grid}.lesson-list-item>span{color:#8be9ff;font-size:1.25rem;font-weight:900}.lesson-list-item strong{font-size:1.2rem}.lesson-list-item p{margin:6px 0 0}.lesson-list-item b{color:#8be9ff}.lesson-list-item.locked{opacity:.65}.lesson-heading{min-width:0;max-width:820px;margin-bottom:30px}.lesson-section{margin-top:32px}.video-frame{aspect-ratio:16/9;background:#050c18;border-radius:20px;width:100%;overflow:hidden}.video-frame iframe,.lesson-video{border:0;width:100%;height:100%}.lesson-video{background:#050c18;border-radius:20px;max-height:680px}.lesson-content,.homework-card{min-width:0;margin-top:28px;padding:28px}.lesson-content p:last-child,.homework-card p:last-child{margin-bottom:0}.lesson-materials{gap:16px;min-width:0;display:grid}.lesson-material{min-width:0;padding:24px}.lesson-material img{object-fit:contain;background:#050c1866;border-radius:16px;width:min(820px,100%);max-height:620px;display:block}.lesson-material .image-fallback{border-radius:16px;width:min(820px,100%);min-height:240px}.lesson-material a{color:#8be9ff;font-weight:900}.homework-card{border-color:#3fe89e52}.homework-submission-card{background:#050c1857;border:1px solid #8be9ff38;border-radius:24px;min-width:0;margin-top:18px;padding:28px}.homework-submission-card h3{margin-bottom:10px}.submission-heading,.admin-review-heading,.review-title{justify-content:space-between;align-items:flex-start;gap:18px;min-width:0;display:flex}.submission-heading .eyebrow,.admin-review-heading .eyebrow,.review-title .eyebrow{margin-bottom:8px}.submission-status{color:#dff9ff;text-align:center;overflow-wrap:anywhere;white-space:normal;border-radius:999px;justify-content:center;align-items:center;min-width:0;max-width:100%;min-height:34px;padding:6px 11px;font-size:.78rem;font-weight:900;line-height:1.2;display:inline-flex}.submission-status.submitted{color:#bdefff;background:#20d8ff29}.submission-status.accepted{color:#a9ffd6;background:#3fe89e29}.submission-status.needs_revision{color:#ffd59f;background:#ffae4a29}.submitted-work{gap:16px;min-width:0;margin-top:18px;display:grid}.submitted-work>div,.review-block,.submission-details>div{background:#ffffff0e;border-radius:16px;min-width:0;padding:16px}.submitted-work strong,.review-block>strong{color:#fff;margin-bottom:8px;display:block}.submitted-work p,.review-block p{overflow-wrap:anywhere;white-space:pre-wrap;margin:0}.teacher-comment{border:1px solid #8be9ff38}.submission-help,.revision-note,.local-photo-note,.submission-login-note{background:#8be9ff17;border-radius:15px;max-width:100%;margin:0;padding:14px 16px}.submission-help.accepted{color:#bdf9db;background:#3fe89e1a}.revision-note{color:#ffe1b7;background:#ffae4a1a}.local-photo-note{color:#c9f6ff}.homework-submission-form{gap:16px;min-width:0;margin-top:20px;display:grid}.homework-submission-form>label,.teacher-comment-field,.admin-search{color:#d9e7f4;gap:8px;font-weight:800;display:grid}.homework-submission-form textarea,.teacher-comment-field textarea,.admin-search input{resize:vertical;color:#fff;background:#050c1885;border:1px solid #ffffff29;border-radius:15px;outline:0;width:100%;min-width:0;padding:13px 15px}.homework-submission-form textarea:focus,.teacher-comment-field textarea:focus,.admin-search input:focus{border-color:#8be9ff;box-shadow:0 0 0 3px #8be9ff1a}.submission-upload{justify-content:space-between;align-items:center;gap:16px;display:flex}.submission-upload strong{color:#fff}.submission-upload p{margin:4px 0 0;font-size:.88rem}.photo-picker{cursor:pointer;flex:none;justify-content:center;align-items:center;display:inline-flex;position:relative}.photo-picker input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;overflow:hidden}.selected-photo-grid,.submission-photo-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;display:grid}.selected-photo-grid figure{min-width:0;margin:0;position:relative}.selected-photo-grid img,.submission-photo-grid img{aspect-ratio:1;object-fit:cover;background:#050c1880;border-radius:14px;width:100%;display:block}.selected-photo-grid button{color:#fff;background:#050c18d1;border-radius:50%;width:32px;height:32px;font-size:1.3rem;line-height:1;position:absolute;top:7px;right:7px}.selected-photo-grid figcaption{color:#aac0d6;text-overflow:ellipsis;white-space:nowrap;margin-top:7px;font-size:.78rem;overflow:hidden}.submission-photo-grid a{min-width:0;position:relative}.submission-message{width:100%;margin:0}.admin-homework-review{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;display:grid}.admin-review-heading>span{color:#bdefff;white-space:nowrap;background:#20d8ff1f;border-radius:999px;padding:8px 11px;font-size:.8rem;font-weight:900}.admin-search{margin-bottom:14px}.admin-search input{min-height:48px}.submission-filters{gap:8px;margin-bottom:16px;padding-bottom:3px;display:flex;overflow-x:auto}.submission-filters button{color:#c9d7e8;background:#ffffff12;border-radius:999px;flex:none;min-height:40px;padding:0 13px;font-size:.82rem;font-weight:900}.submission-filters button.active{color:#07111f;background:#fff}.admin-submission-list{gap:10px;max-height:700px;padding-right:3px;display:grid;overflow-y:auto}.admin-submission-list article{background:#050c1840;border:1px solid #ffffff1a;border-radius:16px;grid-template-columns:minmax(0,1fr) auto;gap:14px;padding:14px;display:grid}.admin-submission-list article.selected{background:#8be9ff14;border-color:#8be9ff94}.submission-list-main{min-width:0}.submission-list-main strong,.submission-list-main span{overflow-wrap:anywhere;display:block}.submission-list-main span{color:#aac0d6;margin-top:5px;font-size:.82rem}.submission-list-meta{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.submission-list-meta time{color:#aac0d6;font-size:.75rem}.submission-student-email{color:#8fa6bd;overflow-wrap:anywhere;margin-top:3px;font-size:.78rem;font-weight:700;display:block}.review-title h2,.admin-review-heading h2{margin-bottom:6px}.review-title p{margin-bottom:0}.submission-details{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0;display:grid}.submission-details dt{color:#8be9ff;text-transform:uppercase;margin-bottom:5px;font-size:.76rem;font-weight:900}.submission-details dd{overflow-wrap:anywhere;color:#fff;margin:0}.review-block{margin-bottom:12px}.auto-check-review-block{gap:12px;display:grid}.auto-check-review-head,.auto-check-review-card-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;min-width:0;display:flex}.auto-check-review-head span{color:#dcfff9;background:#5eead41f;border:1px solid #5eead438;border-radius:999px;padding:7px 10px;font-size:.82rem;font-weight:900}.auto-check-review-list{gap:10px;display:grid}.auto-check-review-card{background:#07111f61;border:1px solid #ffffff1a;border-radius:14px;gap:10px;min-width:0;padding:13px;display:grid}.auto-check-review-card.correct{border-color:#5eead452}.auto-check-review-card.wrong{border-color:#fb71854d}.auto-check-review-card.blank{border-color:#facc1547}.auto-check-review-card-head span{color:#7dd3fc;font-weight:900}.auto-check-review-card-head strong{overflow-wrap:anywhere;flex:1;min-width:0}.auto-check-review-card-head b{color:#f8fbff;background:#ffffff14;border-radius:999px;padding:5px 9px;font-size:.74rem}.auto-check-review-card.correct .auto-check-review-card-head b{color:#dcfff9;background:#5eead424}.auto-check-review-card.wrong .auto-check-review-card-head b{color:#ffd6df;background:#fb718524}.auto-check-review-card.blank .auto-check-review-card-head b{color:#fff4c2;background:#facc1524}.auto-check-review-card dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;display:grid}.auto-check-review-card dt{color:#8be9ff;text-transform:uppercase;margin-bottom:4px;font-size:.72rem;font-weight:900}.auto-check-review-card dd{color:#f8fbff;overflow-wrap:anywhere;margin:0}.auto-check-explanation{color:#d8e8f8;background:#ffffff0b;border-radius:10px;padding:10px 11px}.admin-photo-grid a span{color:#fff;background:#050c18d1;border-radius:999px;padding:5px 8px;font-size:.72rem;font-weight:900;position:absolute;bottom:7px;right:7px}.teacher-comment-field{margin-top:18px}.review-actions{gap:10px;margin-top:18px;display:flex}.review-actions button{flex:1}.course-meta-list{flex-wrap:wrap;gap:8px;margin:14px 0 0;display:flex}.course-meta-list span{color:#c9f6ff;background:#8be9ff12;border:1px solid #8be9ff2e;border-radius:999px;padding:7px 10px;font-size:.8rem;font-weight:800}.course-meta-list-labeled span{border-radius:12px;line-height:1.35}.course-meta-list-labeled b{color:#fff}.course-status-row{flex-wrap:wrap;gap:8px;min-width:0;margin:14px 0 18px;display:flex}.course-status-pill{color:#c9f6ff;text-align:center;overflow-wrap:anywhere;background:#8be9ff14;border:1px solid #8be9ff33;border-radius:999px;justify-content:center;align-items:center;width:fit-content;max-width:100%;padding:7px 10px;font-size:.78rem;font-weight:900;line-height:1.25;display:inline-flex}.course-status-pill.available{color:#9cffd1;background:#3fe89e1f;border-color:#3fe89e47}.course-status-pill.enrollment{color:#ffe6a3;background:#ffd6661f;border-color:#ffd66647}.lesson-material-text{white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%}.lesson-file-card,.video-fallback-card{background:#050c1857;border:1px solid #8be9ff2e;border-radius:16px;gap:12px;min-width:0;padding:18px;display:grid}.lesson-file-card p,.video-fallback-card p{color:#aac0d6;margin:0}.homework-attachments,.homework-attachments-admin{gap:14px;min-width:0;margin-top:18px;display:grid}.homework-attachment{border-top:1px solid #ffffff1f;padding-top:14px}.homework-attachment h3{margin:0 0 10px}.homework-attachment img{object-fit:contain;background:#050c1866;border-radius:14px;max-height:360px}.profile-preparation{gap:16px;display:grid}.preparation-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.preparation-card,.preparation-empty{padding:20px}.preparation-card{gap:12px;display:grid}.preparation-card h3,.preparation-empty h3{margin:0}.preparation-card p,.preparation-empty p{color:#b9cadb;margin:0}.preparation-card dl{gap:8px;margin:0;display:grid}.preparation-card dt{color:#8be9ff;text-transform:uppercase;font-size:.75rem;font-weight:900}.preparation-card dd{color:#fff;margin:0}.admin-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.admin-wide-panel{grid-column:1/-1}.admin-stats{grid-template-columns:minmax(220px,320px);margin-bottom:22px;display:grid}.admin-stats article{background:linear-gradient(145deg,#2b4157d1,#1c2541d6);border:1px solid #8be9ff33;border-radius:8px;flex-direction:column;justify-content:space-between;min-height:150px;padding:22px;display:flex}.admin-stats span{color:#8be9ff;text-transform:uppercase;font-size:.8rem;font-weight:900}.admin-stats strong{color:#fff;font-size:clamp(2.4rem,5vw,3.5rem);line-height:1}.admin-stats p{color:#b9cadb;margin:0;font-size:.88rem}.admin-subsection{margin-top:18px}.admin-panel{padding:24px}.admin-panel h2{font-size:1.7rem}.admin-users-panel{grid-auto-rows:max-content;align-content:start;align-self:start;gap:22px;display:grid}.admin-users-layout{align-items:start}.admin-users-layout>*,.admin-user-details-panel{align-self:start;min-width:0}.admin-users-heading{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.admin-users-heading h2,.admin-users-heading p{margin:0}.admin-users-heading .eyebrow{margin-bottom:8px}.admin-users-heading h2+p{color:#b9cadb;margin-top:8px}.admin-users-total{background:#050c184d;border:1px solid #8be9ff33;border-radius:8px;gap:7px;min-width:190px;padding:16px 18px;display:grid}.admin-users-total span{color:#aac0d6;font-size:.78rem;font-weight:800}.admin-users-total strong{color:#fff;font-size:2rem;line-height:1}.admin-users-search{color:#d9e7f4;align-self:start;gap:8px;width:100%;max-width:520px;font-weight:800;display:grid}.admin-users-search input{color:#fff;background:#050c1880;border:1px solid #ffffff29;border-radius:14px;outline:0;width:100%;height:52px;min-height:48px;max-height:56px;padding:12px 14px}.admin-users-search input:focus{border-color:#8be9ff;box-shadow:0 0 0 3px #8be9ff1a}.admin-users-list{background:#050c1838;border:1px solid #ffffff1a;border-radius:8px;min-width:0;overflow:auto hidden}.admin-users-list-head,.admin-user-row{grid-template-columns:minmax(150px,.9fr) minmax(220px,1.3fr) minmax(120px,.6fr) minmax(120px,.55fr) minmax(120px,.5fr);align-items:center;gap:16px;min-width:850px;display:grid}.admin-user-details-panel .admin-muted,.admin-user-details-panel input,.admin-user-details-panel textarea,.admin-user-details-panel select{overflow-wrap:anywhere}.admin-users-list-head{color:#8be9ff;text-transform:uppercase;background:#8be9ff12;padding:13px 16px;font-size:.76rem;font-weight:900}.admin-user-row{color:#d9e7f4;cursor:pointer;border-top:1px solid #ffffff14;min-height:68px;padding:14px 16px;transition:background .18s,border-color .18s}.admin-user-row:hover,.admin-user-row:focus-visible,.admin-user-row.selected{background:#8be9ff14}.admin-user-row.selected{box-shadow:inset 3px 0 #8be9ff}.admin-user-row strong,.admin-user-row a,.admin-user-row time{overflow-wrap:anywhere}.admin-user-row a{color:#c9f6ff}.admin-role-badge{color:#c9f6ff;background:#8be9ff14;border:1px solid #8be9ff38;border-radius:999px;width:fit-content;padding:6px 9px;font-size:.72rem;font-weight:900}.admin-role-badge.admin{color:#9cffd1;background:#3fe89e1a;border-color:#3fe89e47}.admin-users-empty{color:#aac0d6;text-align:center;padding:28px 18px}.admin-form{gap:14px;display:grid}.admin-form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.admin-form label,.admin-select{color:#d9e7f4;gap:7px;font-weight:800;display:grid}.admin-form input,.admin-form textarea,.admin-form select,.admin-select select{color:#fff;background:#050c1880;border:1px solid #ffffff29;border-radius:14px;outline:0;width:100%;min-width:0;padding:12px 14px}.admin-form input,.admin-form select,.admin-select select{min-height:48px}.admin-form textarea{resize:vertical;min-height:110px}.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus,.admin-select select:focus{border-color:#8be9ff;box-shadow:0 0 0 3px #8be9ff1a}.checkbox-row,.admin-form .checkbox-row{cursor:pointer;justify-content:flex-start;align-items:center;gap:10px;width:fit-content;max-width:100%;display:inline-flex}.checkbox-row input[type=checkbox],.admin-form .checkbox-row input{accent-color:#5eead4;flex:none;width:20px;height:20px;min-height:20px;margin:0}.image-uploader{background:#050c183d;border:1px solid #ffffff1a;border-radius:16px;gap:12px;padding:14px;display:grid}.image-uploader-preview{object-fit:contain;background:#050c1866;border-radius:12px;width:min(420px,100%);max-height:260px}.image-upload-button{cursor:pointer;justify-content:center;align-items:center;display:inline-flex}.image-upload-button input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute;overflow:hidden}.upload-mode-note,.upload-help,.upload-error{margin:0;font-size:.85rem;line-height:1.45}.upload-mode-note{color:#c9f6ff}.upload-help{color:#aac0d6}.upload-error{color:#ffc2d2;font-weight:800}.admin-select{max-width:520px;margin-bottom:18px}.admin-inline-form{gap:10px;margin:18px 0;display:flex}.admin-inline-form input{color:#fff;background:#050c1880;border:1px solid #ffffff29;border-radius:14px;flex:1;min-width:0;padding:12px 14px}.admin-upload-field{background:#8be9ff0f;border:1px dashed #8be9ff47;border-radius:16px;padding:14px}.admin-upload-field span,.admin-muted{color:#aac0d6;font-size:.9rem}.material-type-picker{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.material-type-picker button{color:#d9e7f4;background:#050c1857;border:1px solid #8be9ff2e;border-radius:14px;min-height:48px;padding:10px 12px;font-weight:900}.material-type-picker button.active,.material-type-picker button:hover{color:#fff;background:#8be9ff1f;border-color:#8be9ff80}.admin-material-preview,.admin-material-file-preview{background:#050c183d;border:1px solid #ffffff1a;border-radius:16px;padding:12px}.admin-material-preview img{object-fit:contain;background:#050c1866;border-radius:12px;width:min(360px,100%);max-height:220px}.admin-material-file-preview{justify-content:space-between;align-items:center;gap:12px;display:flex}.admin-material-file-preview a,.admin-material-row a{color:#c9f6ff;font-weight:900}.admin-material-row{align-items:center;gap:14px;min-width:0;display:flex}.admin-material-row>div{min-width:0}.admin-material-row img{object-fit:cover;background:#050c1866;border-radius:10px;width:74px;height:52px}.admin-student-actions{align-items:center;gap:10px;display:flex}.admin-student-actions select{color:#fff;background:#050c1880;border:1px solid #ffffff29;border-radius:12px;min-height:42px;padding:8px 10px}.course-admin-list-view,.course-builder{gap:20px;display:grid}.admin-section-toolbar,.course-builder-header{background:#050c1833;border:1px solid #8be9ff24;border-radius:18px;justify-content:space-between;align-items:flex-start;gap:18px;padding:20px;display:flex}.admin-section-toolbar h2,.admin-section-toolbar p,.course-builder-header h2,.course-builder-header p{margin:0}.admin-section-toolbar h2,.course-builder-header h2{margin-bottom:8px}.admin-course-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;min-width:0;display:grid}.admin-course-card,.course-draft-card{min-width:0;padding:22px}.admin-course-card{gap:18px;display:grid}.admin-course-card-header,.course-builder-statuses{flex-wrap:wrap;gap:8px;min-width:0;margin-bottom:12px;display:flex}.admin-course-card h3,.admin-course-card p,.course-draft-card h3,.course-draft-card p{margin:0}.admin-course-card p{color:#b9cadb;overflow-wrap:anywhere}.admin-course-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;min-width:0;display:grid}.builder-tabs{flex-wrap:wrap;gap:10px;min-width:0;display:flex}.builder-tabs button{color:#d9e7f4;overflow-wrap:anywhere;background:#050c185c;border:1px solid #8be9ff2e;border-radius:999px;max-width:100%;min-height:44px;padding:0 16px;font-weight:900}.builder-tabs button.active,.builder-tabs button:hover{color:#fff;background:#8be9ff21;border-color:#8be9ff7a}.builder-panel{min-width:0;padding:24px}.builder-subpanel,.builder-info-card,.builder-danger-zone{background:#050c183d;border:1px solid #ffffff1a;border-radius:16px;gap:14px;min-width:0;padding:18px;display:grid}.builder-subpanel+.builder-subpanel,.builder-subpanel+.builder-danger-zone{margin-top:16px}.builder-subpanel-heading{justify-content:space-between;align-items:flex-start;gap:16px;min-width:0;display:flex}.builder-subpanel-heading>*,.course-structure-header>*,.course-week-admin-summary>*,.week-material-lines button>*,.course-week-card header>*,.homework-task-admin-head>*,.homework-task-student-card>div>*,.course-header>*,.admin-course-card-header>*,.course-builder-statuses>*{min-width:0}.builder-subpanel-heading h3,.builder-subpanel-heading p,.builder-info-card p,.builder-danger-zone h3,.builder-danger-zone p{overflow-wrap:anywhere;margin:0}.builder-subpanel-heading p,.builder-info-card p,.builder-danger-zone p,.builder-empty p{color:#aac0d6}.course-program-layout{grid-template-columns:minmax(270px,.42fr) minmax(0,1fr);align-items:start;gap:18px;min-width:0;display:grid}.builder-sidebar{padding:18px;position:sticky;top:90px}.lesson-builder-list{gap:10px;margin-top:16px;display:grid}.lesson-builder-list button{color:#fff;text-align:left;background:#050c1847;border:1px solid #ffffff1a;border-radius:14px;grid-template-columns:38px minmax(0,1fr);gap:10px;width:100%;padding:12px;display:grid}.lesson-builder-list button.active,.lesson-builder-list button:hover{background:#8be9ff1a;border-color:#8be9ff7a}.lesson-builder-list button>span{color:#8be9ff;font-weight:900}.lesson-builder-list small{color:#aac0d6;margin-top:4px;display:block}.lesson-builder-editor{min-width:0}.builder-danger-zone{grid-template-columns:minmax(0,1fr) auto;align-items:center}.builder-danger-zone.danger{background:#ff698e14;border-color:#ff698e42}.admin-archive-toggle{color:#d9e7f4;align-items:center;gap:8px;width:fit-content;font-weight:800;display:flex}.admin-archive-toggle input{width:18px;height:18px}.admin-list{gap:10px;display:grid}.admin-list article{background:#050c1840;border:1px solid #ffffff1a;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;padding:14px;display:flex}.admin-list article.selected{border-color:#8be9ff80}.admin-list strong,.admin-list span{display:block}.admin-list .course-access-badge{border-radius:999px;width:fit-content;padding:5px 8px;font-size:.7rem;font-weight:900}.admin-list .course-access-badge.public{color:#9cffd1;background:#3fe89e21}.admin-list .course-access-badge.private{color:#bfefff;background:#8be9ff17}.admin-list span{color:#aac0d6;margin-top:4px;font-size:.82rem}.admin-list-main{color:#fff;text-align:left;background:0 0;flex:1;padding:0}.compact-list{margin-top:18px}.danger-button{color:#ffc2d2;text-align:center;overflow-wrap:anywhere;background:#ff698e1f;border:1px solid #ff698e52;border-radius:17px;justify-content:center;align-items:center;min-width:0;max-width:100%;min-height:52px;padding:0 20px;font-weight:900;line-height:1.2;display:inline-flex}.danger-button.small-button{border-radius:14px;min-height:42px;padding:0 14px}.secondary-danger-button{color:#ffb8c8;text-align:center;background:#230c186b;border:1px solid #ff748f66;border-radius:14px;justify-content:center;align-items:center;min-height:42px;padding:9px 15px;font-weight:850;line-height:1.2;transition:transform .18s,border-color .18s,background .18s,color .18s;display:inline-flex}.secondary-danger-button:hover:not(:disabled){color:#ffe2e9;background:#4b17288c;border-color:#ff859ea8;transform:translateY(-1px)}.secondary-danger-button:active:not(:disabled){background:#5c192da3;transform:translateY(0)}.suspicious-results-heading{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.suspicious-results-heading h2,.suspicious-results-heading p{margin:0}.suspicious-results-heading .eyebrow{margin-bottom:8px}.suspicious-results-heading h2+p{color:#b9cadb;max-width:720px;margin-top:8px}.suspicious-results-heading>strong{color:#fff;text-align:center;background:#050c1861;border:1px solid #8be9ff33;border-radius:14px;min-width:58px;padding:12px 14px;font-size:1.45rem;line-height:1}.suspicious-results-toolbar{justify-content:space-between;align-items:center;gap:14px;margin-top:22px;display:flex}.suspicious-result-filters{flex-wrap:wrap;gap:8px;display:flex}.suspicious-result-filters button{color:#b9cadb;background:#050c1861;border:1px solid #ffffff24;border-radius:13px;min-height:40px;padding:8px 13px;font-weight:800;transition:border-color .18s,background .18s,color .18s}.suspicious-result-filters button:hover,.suspicious-result-filters button.active{color:#effcff;background:#8be9ff1a;border-color:#8be9ff66}.suspicious-result-filters button:active{background:#8be9ff29}.suspicious-results-list article{align-items:flex-start}.suspicious-status{border:1px solid #ffcb6940;border-radius:999px;width:fit-content;padding:4px 9px;color:#ffe0a6!important}.suspicious-status.excluded{background:#ff748f14;border-color:#ff748f4d;color:#ffb8c8!important}.suspicious-results-empty{margin:4px 0 0}.admin-cleanup-modal-backdrop{z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#020711c7;place-items:center;padding:20px;display:grid;position:fixed;inset:0;overflow-y:auto}.admin-cleanup-modal{background:linear-gradient(145deg,#221326fa,#07111ffa);border:1px solid #ff748f4d;border-radius:24px;width:min(560px,100%);padding:28px;box-shadow:0 28px 90px #00000080}.admin-cleanup-modal h2{margin:8px 0 12px;font-size:clamp(1.55rem,4vw,2rem)}.admin-cleanup-modal>p:not(.eyebrow){margin:0}.admin-cleanup-modal-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}@keyframes pageIn{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes taskIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes answerPop{0%{opacity:0;transform:translateY(8px)scale(.94)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes correctPulse{45%{border-color:#3fe89ea6;box-shadow:0 24px 80px #00000042,0 0 80px #3fe89e57}}@keyframes optionCorrect{0%{transform:scale(.98)}50%{transform:scale(1.04)}to{transform:scale(1)}}@keyframes optionWrong{0%,to{transform:translate(0)}30%{transform:translate(-7px)}65%{transform:translate(7px)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-9px)}50%{transform:translate(9px)}75%{transform:translate(-5px)}}@keyframes pulseDanger{0%{box-shadow:inset 0 0 #ff568000}to{box-shadow:inset 0 0 36px #ff56802e}}@keyframes activityOverlayIn{0%{opacity:0}to{opacity:1}}@keyframes activityOverlayOut{0%{opacity:1}to{opacity:0}}@keyframes activityCardIn{0%{opacity:0;transform:translateY(14px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes activityGlowPulse{0%,to{opacity:.6;transform:scale(.95)}50%{opacity:1;transform:scale(1.08)}}@keyframes activityParticle{0%{opacity:0;transform:translate(0,0)scale(.55)}22%{opacity:.9}to{opacity:0;transform:translateY(-68px)scale(1.15)}}@media (width<=980px){.topbar{flex-direction:column;align-items:flex-start}.hero,.split-block,.trainer-grid,.course-weeks-manager,.week-material-admin-card,.course-week-card header,.course-structure-header,.course-week-admin-summary,.week-material-lines button{grid-template-columns:1fr}.course-structure-header,.legacy-lessons-archive summary,.course-structure-actions,.clean-course-actions,.week-row-actions{flex-direction:column;align-items:stretch}.course-structure-actions>*,.clean-course-actions>*,.week-row-actions>*,.course-card-more summary{justify-content:center;width:100%}.course-week-admin-summary em,.week-material-lines em{white-space:normal}.legacy-lessons-layout{padding:0 16px 18px}.stats-grid,.profile-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.best-results-grid,.calculation-results-columns{grid-template-columns:1fr}.training-modes-grid,.training-topic-grid,.topic-rating .training-topic-grid,.graph-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.graph-trainer-layout{grid-template-columns:1fr}.graph-task-panel{position:static}.home-benefits-grid,.home-training-preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-platform-band{grid-template-columns:1fr;gap:28px}.profile-summary-cards,.profile-ranking-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-topic-group{grid-template-columns:minmax(210px,.65fr) minmax(0,1.35fr)}.home-benefit:nth-child(3){border-left:0}.home-benefit:nth-child(n+3){border-top:1px solid #ffffff24}.arithmetic-modes-grid,.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.top-schools-hero,.top-schools-preparation,.top-schools-test-picker,.top-schools-test-locked,.top-schools-test-intro,.top-school-test-result{grid-template-columns:1fr}.top-schools-hero{min-height:0}.top-school-list-item{grid-template-columns:48px minmax(180px,.8fr) minmax(0,1.2fr)}.top-school-list-item .top-school-tags{grid-column:2}.top-school-list-fact{grid-area:1/3/span 2}.top-schools-intro{grid-template-columns:1fr}.top-schools-intro p+p{border-top:1px solid #ffffff26;border-left:0}.course-header,.admin-columns,.admin-homework-review,.teacher-contacts,.social-channels,.course-format-highlights{grid-template-columns:1fr}}@media (width<=680px){.app-shell{padding:12px;overflow-x:clip}.page{padding-top:42px}.api-config-notice{flex-direction:column;align-items:flex-start;padding:13px 14px}.site-footer{flex-direction:column;align-items:flex-start}.teacher-contacts{margin-top:30px;padding:19px}.teacher-contact-list,.teacher-contacts.compact .teacher-contact-list,.social-channel-list,.course-format-list{grid-template-columns:1fr;gap:7px;display:grid}.teacher-contacts.compact .teacher-contact-list>a,.teacher-contacts.compact .teacher-contact-list>div{align-items:center;min-height:38px;padding:6px 0}.social-channels{border-radius:17px;padding:19px}.social-channels.compact .social-channel-list{grid-template-columns:1fr;gap:4px;display:grid}.social-channels.compact .social-channel-list>a{min-height:38px;padding:6px 24px 6px 0}.course-format-highlights,.course-format-highlights.compact{border-radius:17px;margin:20px 0 28px;padding:18px}.course-format-list article{min-height:0}.legal-document{padding:22px 18px}.legal-document .secondary-button{width:100%}.topbar{border-radius:20px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px;display:grid}.brand{min-width:0;max-width:100%}.mobile-menu-toggle{display:grid}.nav-links{background:#050c186b;border:1px solid #8be9ff29;border-radius:18px;grid-column:1/-1;width:100%;padding:10px;display:none}.nav-links.mobile-open{grid-template-columns:1fr;gap:8px;display:grid}.nav-links button{text-align:left;justify-content:flex-start;width:100%;min-height:46px;padding:0 14px}.auth-actions,.button-row,.tabs{width:100%}.auth-actions button,.button-row button,.tabs button{flex:1}.auth-actions{grid-column:1/-1;justify-content:flex-start;gap:8px}.auth-actions .sound-toggle-button{flex:0 0 42px}.tabs{scrollbar-width:thin;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;gap:8px;max-width:100%;padding:0 2px 8px;overflow:auto hidden}.tabs button{white-space:nowrap;flex:none}.profile-menu,.profile-menu-trigger{width:auto;min-width:0}.profile-menu-trigger{justify-content:space-between;max-width:100%}.profile-dropdown{width:min(260px,100vw - 24px);left:0;right:auto}.cards-grid.two,.graph-mode-grid,.training-modes-grid,.arithmetic-modes-grid,.training-topic-grid,.topic-rating .training-topic-grid,.feature-list,.tag-grid,.answer-options,.hero-scoreboard,.difficulty-panel,.stats-grid{grid-template-columns:1fr}.result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.result-grid div:last-child{grid-column:1/-1}.graph-training-card{flex-direction:column;align-items:stretch}.graph-training-card .primary-button{width:100%}.course-week-material-grid{grid-template-columns:1fr}.course-material-view{padding:22px 18px}.graph-mode-grid button{min-height:0}.graph-task-panel{padding:24px}.graph-block-tabs button{flex:100%}.graph-coordinate-inputs,.graph-answer-grid{grid-template-columns:1fr}.coordinate-plane-shell{padding:8px}.home-benefits-grid,.home-training-preview-grid,.home-topic-list{grid-template-columns:1fr}.home-platform-band{padding:30px 0}.top-schools-page{gap:46px}.top-schools-hero{gap:28px;padding:28px 20px;overflow:hidden}.top-schools-hero h1{overflow-wrap:anywhere;max-width:100%;font-size:clamp(2.15rem,10.5vw,3.2rem);line-height:1.06}.top-schools-intro p{padding:22px 4px}.top-school-list-item{grid-template-columns:42px minmax(0,1fr);gap:12px 14px;min-height:0;padding:20px 0}.top-school-list-heading{grid-column:2}.top-school-list-item .top-school-tags,.top-school-list-fact{grid-area:auto/2}.top-school-list-number{grid-row:1;align-self:start}.raex-explainer{margin-top:22px;padding:14px 16px}.top-schools-preparation,.top-schools-test-picker,.top-schools-test,.top-schools-test-locked{padding:26px 20px}.top-schools-test-heading{flex-direction:column;align-items:flex-start}.top-schools-test-options{grid-template-columns:1fr}.top-school-question-meta small{width:100%;margin-left:0}.top-school-test-result{align-items:stretch}.top-school-result-actions{width:100%}.test-picker-list>div,.test-picker-list>button{grid-template-columns:30px minmax(0,1fr)}.test-picker-list small{grid-column:2}.top-school-answer-review{grid-template-columns:1fr}.home-benefit+.home-benefit{border-top:1px solid #ffffff24;border-left:0}.training-topic-heading{grid-template-columns:56px minmax(0,1fr);gap:14px}.topic-number{width:52px;height:52px;font-size:1.25rem}.training-topics{gap:48px}.exercise-card-meta{min-height:0}.hero-scoreboard div{min-height:118px}.hero{min-height:auto}.hero-panel,.trainer-card{height:auto;min-height:auto}.trainer-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.exercise-heading-nav{flex-direction:column;align-items:flex-start}.trainer-actions,.restart-training-button{width:100%}.restart-training-button{justify-content:center}.profile-info-card,.profile-summary-grid,.best-result-values,.profile-identity,.profile-summary-cards,.profile-ranking-grid,.profile-column-grid{grid-template-columns:1fr}.profile-identity>div+div{border-top:1px solid #ffffff24;border-left:0;padding-left:0}.profile-identity-action{min-height:44px;padding-inline:15px}.profile-public-name-actions{flex-direction:column;align-items:stretch}.profile-public-name-actions>button{width:100%}.profile-disclosure-heading{flex-direction:column;align-items:stretch;gap:12px}.profile-disclosure-toggle,.profile-inline-toggle,.preparation-show-all{width:100%}.profile-disclosure{padding:15px}.profile-topic-group{grid-template-columns:1fr}.profile-topic-group>div{border-top:1px solid #ffffff1f;border-left:0}.profile-progress-row{grid-template-columns:1fr;gap:7px}.profile-progress-row>div{flex-wrap:wrap;justify-content:flex-start}.activity-event-row{grid-template-columns:1fr;align-items:start}.activity-reward-overlay{padding:16px}.activity-reward-card{min-height:244px;padding:30px 22px 26px}.activity-reward-note{max-width:280px}.profile-empty-value{text-align:left}.profile-ranking-card dl{grid-template-columns:repeat(3,minmax(80px,1fr))}.profile-history-section{padding:18px}.manual-answer-form>div{grid-template-columns:1fr}.manual-answer-form .primary-button{width:100%}.home-courses-band,.home-progress-band{flex-direction:column;align-items:stretch}.course-grid{grid-template-columns:1fr}.lesson-list-item{grid-template-columns:42px minmax(0,1fr)}.lesson-list-item b{grid-column:2}.admin-list article{flex-direction:column;align-items:stretch}.admin-section-toolbar,.course-builder-header,.builder-subpanel-heading,.builder-danger-zone{flex-direction:column;grid-template-columns:1fr;align-items:stretch}.admin-course-grid,.course-program-layout{grid-template-columns:1fr}.builder-sidebar{position:static}.admin-course-actions,.admin-form-grid,.preparation-grid,.material-type-picker{grid-template-columns:1fr}.admin-inline-form,.admin-student-actions,.admin-material-file-preview,.admin-material-row{flex-direction:column;align-items:stretch}.admin-stats{grid-template-columns:1fr}.admin-users-heading,.suspicious-results-heading,.suspicious-results-toolbar{flex-direction:column;align-items:stretch}.suspicious-results-heading>strong{align-self:flex-start}.suspicious-result-filters{grid-template-columns:1fr;display:grid}.suspicious-result-filters button,.secondary-danger-button{width:100%;min-height:44px}.admin-cleanup-modal-backdrop{padding:12px}.admin-cleanup-modal{border-radius:20px;padding:22px 18px}.admin-cleanup-modal-actions{flex-direction:column-reverse;align-items:stretch}.admin-cleanup-modal-actions>*{width:100%}.admin-users-total,.admin-users-search{width:100%;max-width:none}.admin-users-list-head{display:none}.admin-user-row{grid-template-columns:1fr;gap:10px;min-width:0;padding:16px}.admin-users-list{overflow:hidden}.admin-user-row>div{justify-content:space-between;align-items:center;gap:18px;display:flex}.admin-user-row>div:before{content:attr(data-label);color:#8da5bc;text-transform:uppercase;flex:none;font-size:.72rem;font-weight:900}.admin-user-row>div>*{text-align:right;min-width:0}.admin-list .button-row,.admin-list .button-row button{width:100%}.homework-submission-card{padding:20px}.submission-heading,.review-title,.submission-upload{flex-direction:column;align-items:stretch}.submission-status{white-space:normal;align-self:flex-start}.photo-picker,.homework-submission-form .primary-button{width:100%}.selected-photo-grid,.submission-photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-submission-list article,.submission-details{grid-template-columns:1fr}.submission-list-meta{align-items:stretch}.submission-list-meta .submission-status{align-self:flex-start}.review-actions{flex-direction:column}}@media (prefers-reduced-motion:reduce){.activity-reward-overlay,.activity-reward-overlay.leaving,.activity-reward-card,.activity-reward-glow,.activity-reward-particles span{animation:none}.activity-reward-glow,.activity-reward-particles{display:none}}