:root{color-scheme:dark;color:#f3f5f7;background:#0b0d12;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;--ink: #f3f5f7;--muted: #9ba3b0;--paper: #151922;--paper-raised: #1a1f2a;--line: rgba(255, 255, 255, .1);--line-bright: rgba(255, 255, 255, .2);--navy: #0b0d12;--purple: #c7ff4a;--purple-dark: #c7ff4a;--lime: #c7ff4a;--coral: #ff826f;--blue: #72a9ff;--green: #71e69a;--accent-dark: #101608;--shadow: 0 28px 80px rgba(0, 0, 0, .42)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 75% 8%,rgba(199,255,74,.08),transparent 28rem),#0b0d12;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(199,255,74,.75);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3,strong{font-family:ui-rounded,Arial Rounded MT Bold,Inter,ui-sans-serif,system-ui,sans-serif}h1{font-size:clamp(2.2rem,4.4vw,5.5rem);line-height:.98;letter-spacing:-.06em}h2{font-size:clamp(1.55rem,2.7vw,3rem);line-height:1.08;letter-spacing:-.04em}p{line-height:1.7}.shell-width{width:min(1180px,calc(100% - 40px));margin-inline:auto}.eyebrow{margin-bottom:12px;color:var(--purple-dark);font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 20px;border:1px solid transparent;border-radius:14px;cursor:pointer;font-weight:800;transition:transform .18s ease,background .18s ease}.button:hover{transform:translateY(-2px)}.button:disabled{cursor:wait;opacity:.6;transform:none}.button-primary{color:var(--accent-dark);background:var(--purple);box-shadow:0 10px 30px #c7ff4a21}.button-primary:hover{background:#d4ff72}.button-secondary{color:var(--ink);background:#ffffff09;border-color:var(--line-bright)}.button-secondary:hover,.button-quiet:hover{border-color:#c7ff4a59;background:#c7ff4a0f}.button-quiet{color:var(--muted);background:transparent;border-color:transparent}.button-wide{width:100%}.app-brand{display:inline-flex;align-items:center;gap:10px;font-family:ui-rounded,Inter,ui-sans-serif,system-ui,sans-serif;font-size:1.04rem;font-weight:800}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;color:var(--accent-dark);background:var(--purple);box-shadow:0 10px 24px #c7ff4a24}.offline-banner{position:fixed;z-index:100;inset:0 0 auto;padding:10px 16px;color:#fff;background:#b94747;text-align:center;font-size:.85rem;font-weight:700}.public-page{min-height:100vh;overflow:hidden;color:var(--ink);background:radial-gradient(circle at 75% 8%,rgba(199,255,74,.08),transparent 28rem),#0b0d12}.public-header{height:84px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.06)}.public-header nav{display:flex;gap:34px;color:var(--muted);font-size:.9rem;font-weight:700}.public-header nav a:hover{color:var(--ink)}.public-hero{min-height:690px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px;padding-block:70px 100px}.hero-copy h1{max-width:720px;margin-bottom:28px}.hero-copy h1 em{color:var(--purple);font-family:Georgia,Times New Roman,serif;font-style:normal;font-weight:400}.hero-lead{max-width:590px;color:var(--muted);font-size:1.12rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.hero-orbit{position:relative;width:min(480px,100%);aspect-ratio:1;margin-inline:auto;border:1px solid rgba(199,255,74,.22);border-radius:50%}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;border:1px solid rgba(199,255,74,.13);border-radius:50%;inset:13%}.hero-orbit:after{inset:30%;background:#c7ff4a06}.orbit-core{position:absolute;z-index:2;inset:31%;display:grid;place-content:center;text-align:center;border:1px solid var(--line-bright);border-radius:50%;background:var(--paper-raised);color:#fff;box-shadow:var(--shadow)}.orbit-core span,.orbit-core small{color:#ffffff9e;font-size:.72rem}.orbit-core strong{margin:5px 0;font-size:1.25rem}.orbit-chip{position:absolute;z-index:3;padding:12px 18px;border:1px solid var(--line-bright);border-radius:999px;color:var(--ink);background:var(--paper);box-shadow:0 14px 40px #0000004d;font-weight:800}.orbit-a{left:-3%;top:23%}.orbit-b{right:-2%;top:29%}.orbit-c{left:8%;bottom:16%}.orbit-d{right:8%;bottom:10%}.public-section{padding-block:110px}.public-section>h2,.public-section-dark h2{max-width:760px}.feature-grid,.direction-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}.feature-grid article,.direction-grid article{padding:32px;border:1px solid var(--line);border-radius:24px;background:#ffffff09}.feature-grid article>span{display:inline-grid;place-items:center;width:40px;height:40px;margin-bottom:32px;border-radius:50%;background:#c7ff4a1a;color:var(--purple-dark);font-weight:800}.feature-grid p,.direction-grid p{margin-bottom:0;color:var(--muted)}.public-section-dark{color:#fff;border-block:1px solid var(--line);background:#11141b}.public-section-dark .eyebrow{color:var(--lime)}.direction-grid article{border-color:#ffffff1f;background:#ffffff0d}.direction-grid small{color:var(--lime);font-weight:800}.direction-grid h3{margin-top:32px;font-size:1.45rem}.direction-grid p{color:#ffffffa6}.public-footer{min-height:100px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:.82rem}.auth-page{min-height:100vh;display:grid;place-items:center;padding:90px 20px 40px;background:radial-gradient(circle at top,rgba(199,255,74,.08),transparent 42%),var(--navy)}.auth-brand{position:absolute;top:28px;left:32px;color:#fff}.auth-card{width:min(500px,100%);padding:clamp(28px,5vw,48px);border:1px solid var(--line);border-radius:28px;background:var(--paper);box-shadow:var(--shadow)}.auth-card h1{margin-bottom:12px;font-size:2.3rem}.auth-card>p:not(.eyebrow){color:var(--muted)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:28px 0 22px;padding:4px;border-radius:14px;background:#0f1218}.auth-tabs button{min-height:42px;border:0;border-radius:11px;color:var(--muted);background:transparent;cursor:pointer;font-weight:800}.auth-tabs button.is-active{color:var(--ink);background:var(--paper-raised);box-shadow:0 4px 16px #00000040}.auth-form,.profile-form{display:grid;gap:16px}.auth-form label,.profile-form label{display:grid;gap:7px;color:var(--muted);font-size:.78rem;font-weight:800}.auth-form input,.profile-form input{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:#0f1218}.auth-form .check-label{grid-template-columns:auto 1fr;align-items:center;gap:10px;color:var(--ink);font-weight:600}.auth-form .check-label input{width:20px;min-height:20px;accent-color:var(--purple)}.form-note{margin:0;color:var(--muted);font-size:.75rem}.form-error{margin:0;color:#ff8b91;font-size:.85rem}.app-shell{min-height:100vh;display:grid;grid-template-columns:220px minmax(0,1fr) 240px;color:var(--ink);background:#0b0d12}.app-sidebar,.user-rail{position:sticky;top:0;height:100vh;padding:28px 22px}.app-sidebar{display:flex;flex-direction:column;color:#fff;border-right:1px solid var(--line);background:#11141b}.app-sidebar .app-brand{margin-bottom:48px}.app-nav{display:grid;gap:8px}.app-nav a{min-height:50px;display:flex;align-items:center;gap:13px;padding:0 14px;border-radius:13px;color:#ffffff9e;font-weight:700}.app-nav a span{width:24px;text-align:center}.app-nav a:hover,.app-nav a.is-active{color:var(--lime);background:#c7ff4a12}.app-sidebar-note{margin-top:auto;color:#fff6;font-size:.76rem}.app-content{min-width:0;padding:40px clamp(24px,4vw,68px) 80px}.user-rail{border-left:1px solid var(--line);background:#11141b}.user-card{display:flex;align-items:center;gap:12px;padding-bottom:24px;border-bottom:1px solid var(--line)}.user-card>span:last-child{display:grid;min-width:0}.user-card strong,.user-card small{overflow:hidden;text-overflow:ellipsis}.user-card small{color:var(--muted)}.user-avatar,.profile-avatar{display:grid;place-items:center;flex:0 0 auto;border-radius:50%;color:var(--navy);background:var(--lime);font-family:ui-rounded,Inter,ui-sans-serif,system-ui,sans-serif;font-weight:800}.user-avatar{width:44px;height:44px}.rail-stat{display:grid;gap:4px;padding:24px 0;border-bottom:1px solid var(--line)}.rail-stat span{color:var(--muted);font-size:.72rem}.rail-message{margin:26px 0;padding:20px;border:1px solid rgba(199,255,74,.14);border-radius:18px;background:#c7ff4a0e}.rail-message p{margin:8px 0 0;color:var(--muted);font-size:.76rem;line-height:1.55}.mobile-nav{display:none}.app-shell-game{display:block;background:#0b0d12}.app-shell-game .app-sidebar,.app-shell-game .user-rail,.app-shell-game .mobile-nav{display:none}.app-shell-game .app-content{padding:0}.app-page{width:min(980px,100%);margin-inline:auto}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:38px}.page-header h1{margin-bottom:12px;font-size:clamp(2.3rem,4.5vw,4.6rem)}.page-header p:not(.eyebrow){margin-bottom:0;color:var(--muted)}.date-pill,.category-pill{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;font-size:.72rem;font-weight:800}.date-pill{color:var(--muted);background:var(--paper);border:1px solid var(--line)}.category-pill{color:var(--purple-dark);background:#c7ff4a17}.recommendation-card{min-height:320px;display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px;padding:clamp(28px,5vw,54px);border:1px solid var(--line);border-radius:30px;color:#fff;background:radial-gradient(circle at 85% 15%,rgba(199,255,74,.1),transparent 30%),#11141b;box-shadow:var(--shadow)}.recommendation-card .eyebrow{color:var(--lime)}.recommendation-card h2{margin:18px 0 12px}.recommendation-card p:not(.eyebrow){max-width:520px;margin-bottom:0;color:#ffffffa8}.recommendation-action{display:grid;gap:14px;justify-items:end}.recommendation-action>span{color:#ffffff80;font-size:.76rem}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 42px}.summary-grid article{min-height:145px;display:grid;align-content:center;padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--paper)}.summary-grid span,.summary-grid small{color:var(--muted);font-size:.74rem}.summary-grid strong{margin:8px 0 2px;font-size:2rem}.section-block{margin-top:22px;padding:clamp(24px,4vw,36px);border:1px solid var(--line);border-radius:24px;background:var(--paper)}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading h2{margin:0;font-size:1.65rem}.section-heading a{color:var(--purple-dark);font-size:.82rem;font-weight:800}.plan-list{display:grid;gap:10px}.plan-list article{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:14px;border:1px solid var(--line);border-radius:16px}.plan-list article>div{display:grid;gap:4px}.plan-list small{color:var(--muted)}.plan-position{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;color:var(--purple-dark);background:#c7ff4a17;font-weight:800}.state-card{width:min(720px,100%);margin:40px auto;padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--paper);text-align:center}.state-card-error{color:#ff9ca1;border-color:#ff656d4d}.boot-screen{min-height:100vh;display:grid;place-items:center}.back-link{display:inline-flex;margin-bottom:18px;color:var(--muted);font-size:.82rem;font-weight:800}.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.game-tile{overflow:hidden;border:1px solid var(--line);border-radius:25px;background:var(--paper)}.game-art{min-height:210px;display:grid;place-items:center;color:var(--lime);background:radial-gradient(circle at top,rgba(199,255,74,.12),transparent 60%),#11141b}.game-art span{transform:rotate(-7deg);font-family:ui-rounded,Inter,ui-sans-serif,system-ui,sans-serif;font-size:clamp(2.7rem,7vw,5rem);font-weight:800}.game-tile-math .game-art{color:#f1bf55;background:#f1bf5514}.game-tile-memory .game-art{color:var(--green);background:#71e69a14}.game-tile-copy{padding:26px}.game-tile-copy h2{margin:18px 0 8px;font-size:1.65rem}.game-tile-copy p{min-height:54px;color:var(--muted)}.game-tile-actions{display:flex;align-items:center;justify-content:space-between;margin-top:22px}.game-tile-actions>a:last-child{color:var(--purple-dark);font-size:.8rem;font-weight:800}.coming-label{padding:9px 13px;border-radius:12px;color:var(--muted);background:#ffffff0d;font-size:.78rem;font-weight:800}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.category-grid article{display:grid;gap:8px;padding:20px;border:1px solid var(--line);border-radius:16px;background:#ffffff06}.category-grid span,.category-grid small{color:var(--muted);font-size:.75rem}.progress-game-list{display:grid}.progress-game-list>a{min-height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;border-bottom:1px solid var(--line)}.progress-game-list>a:last-child{border:0}.progress-game-list div{display:grid}.progress-game-list small,.progress-game-list>a>span:last-child{color:var(--muted);font-size:.75rem}.progress-dot{width:12px;height:12px;border-radius:50%;background:var(--purple)}.progress-dot-memory{background:var(--green)}.progress-dot-math{background:#eeb746}.trend-chart{min-height:230px;display:flex;align-items:flex-end;gap:8px;overflow-x:auto;padding-top:18px}.trend-column{min-width:34px;height:190px;display:grid;grid-template-rows:1fr auto;align-items:end;gap:8px}.trend-column>span{width:100%;min-height:4px;border-radius:8px 8px 3px 3px;background:linear-gradient(var(--purple),#7fa51f)}.trend-column small{writing-mode:vertical-rl;color:var(--muted);font-size:.62rem}.profile-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}.profile-summary{text-align:center}.profile-avatar{width:84px;height:84px;margin:0 auto 20px;font-size:2rem}.profile-summary h2{margin-bottom:4px}.profile-summary>p{color:var(--muted)}.profile-summary dl{margin-top:30px;text-align:left}.profile-summary dl div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.profile-summary dt{color:var(--muted)}.profile-summary dd{margin:0;font-weight:700}.game-focus{width:min(900px,calc(100% - 40px));margin:0 auto;padding:30px 0 70px}.game-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:22px}.game-header h1{margin:0;font-size:clamp(2rem,4vw,3.8rem)}.game-header>span{color:var(--muted);font-size:.75rem}.game-stage{min-height:590px;display:grid;place-items:center;overflow:hidden;border:1px solid var(--line);border-radius:30px;color:#fff;background:radial-gradient(circle at top,#1a201c,#0b0d12 58%);box-shadow:var(--shadow)}.game-setup,.game-result{width:min(610px,calc(100% - 40px));padding:40px 0;text-align:center}.stroop-preview{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:44px;font-weight:800}.game-setup h2{font-size:clamp(1.8rem,4vw,3rem)}.game-setup p{color:#fff9}.game-setup .game-error{color:#ffb6aa;font-weight:700}.game-play{width:100%;align-self:stretch;display:grid;grid-template-rows:auto 1fr auto;padding:clamp(20px,4vw,42px)}.game-hud{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.game-hud div{display:grid;gap:3px;padding:12px;border:1px solid rgba(255,255,255,.1);border-radius:13px;text-align:center}.game-hud span{color:#ffffff73;font-size:.68rem}.game-hud strong{font-size:1.15rem}.stimulus{display:grid;place-content:center;text-align:center}.stimulus strong{font-size:clamp(3.2rem,10vw,7rem);letter-spacing:.04em}.stimulus p{color:#ffffffa6}.color-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.color-grid button{min-height:72px;display:flex;align-items:center;justify-content:space-between;padding:14px;border:2px solid color-mix(in srgb,var(--game-color) 70%,white);border-radius:15px;color:#fff;background:color-mix(in srgb,var(--game-color) 25%,transparent);cursor:pointer;font-weight:800}.color-grid kbd{min-width:25px;padding:3px;border-radius:6px;background:#0000002e}.game-result h2{margin:5px 0 0;font-size:clamp(4rem,10vw,7rem);color:var(--lime)}.game-result>span{color:#ffffff80}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:34px 0}.result-grid div{display:grid;gap:6px;padding:18px;border-radius:14px;background:#ffffff12}.result-grid small{color:#ffffff73}.game-result>p:not(.eyebrow){color:#ffffff9e}@media(max-width:1100px){.app-shell{grid-template-columns:200px minmax(0,1fr)}.user-rail{display:none}}@media(max-width:760px){.shell-width{width:min(1180px,calc(100% - 28px))}.public-header{height:72px;gap:12px}.public-header nav{display:none}.public-header>.button{min-height:40px;padding-inline:14px}.public-hero{min-height:auto;grid-template-columns:minmax(0,1fr);gap:50px;padding-block:70px}.hero-copy{min-width:0}.hero-copy h1{font-size:clamp(2.35rem,11vw,4rem);overflow-wrap:anywhere}.hero-lead{font-size:1rem}.hero-actions .button{flex:1 1 100%}.hero-orbit{width:min(320px,calc(100vw - 48px))}.orbit-chip{padding:9px 13px;font-size:.82rem}.orbit-a{left:0}.orbit-b{right:0}.orbit-c{left:4%}.orbit-d{right:4%}.feature-grid,.direction-grid,.game-grid,.category-grid,.profile-layout{grid-template-columns:1fr}.public-section{padding-block:75px}.public-footer{flex-direction:column;align-items:flex-start;justify-content:center;gap:8px}.app-shell{display:block}.app-sidebar{display:none}.app-content{padding:28px 16px 100px}.mobile-nav{position:fixed;z-index:50;inset:auto 10px 10px;display:grid;grid-template-columns:repeat(4,1fr);padding:7px;border:1px solid rgba(255,255,255,.13);border-radius:18px;color:#fff9;background:#11141bf0;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:0 18px 40px #0000006b}.mobile-nav a{min-height:48px;display:grid;place-items:center;gap:1px;border-radius:12px}.mobile-nav a.is-active{color:var(--lime);background:#c7ff4a14}.mobile-nav small{font-size:.61rem}.page-header,.game-header{flex-direction:column}.date-pill{align-self:flex-start}.recommendation-card{min-height:380px;grid-template-columns:1fr}.recommendation-action{justify-items:stretch}.recommendation-action>span{display:none}.summary-grid{grid-template-columns:1fr}.summary-grid article{min-height:115px}.plan-list article{grid-template-columns:auto 1fr}.plan-list .button{grid-column:1 / -1}.game-tile-copy p{min-height:auto}.game-focus{width:min(100% - 20px,900px)}.game-stage{min-height:calc(100svh - 150px);border-radius:22px}.color-grid{grid-template-columns:repeat(2,1fr)}.color-grid button{min-height:64px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}