:root{--board: #E6F2FF;--dot: #C9DDF2;--surface: #FFFFFF;--surface-2: #F4F6FA;--ink: #0E1630;--muted: #4F5A78;--line: #E1E6EF;--brand: #3346D3;--brand-dark: #2434A8;--brand-tint: #E8EBFC;--on-brand: #FFFFFF;--spark: #FFC43D;--spark-dark: #D99E10;--spark-ink: #0E1630;--meadow: #8FD694;--meadow-dark: #5DBB72;--lang: #C2410C;--lang-tint: #FFE3D6;--lang-edge: #F2BFA5;--lang-ink: #9A3412;--maths: #00897B;--maths-tint: #D3F2EC;--maths-edge: #9FD8D0;--maths-ink: #0B5C52;--sci: #6D3FD1;--sci-tint: #EAE0FC;--sci-edge: #C9B8F2;--sci-ink: #4C2A99;--type: #B57F00;--type-tint: #FFF0C2;--type-edge: #EED38A;--type-ink: #7A5500;--press: #B9D6F5;--plus: #E0412F;--wire: #2F7D6D;--focus: #3346D3;--lv0: #3346D3;--lv1: #E3A008;--lv2: #00897B;--lv3: #E0562B;--lv4: #6D3FD1;--good: #12805C;--bad: #B42318;--glow: rgba(255, 196, 61, .55);--scrim: rgba(14, 22, 48, .5);--f-display: "Fredoka", "Baloo 2", "Trebuchet MS", system-ui, sans-serif;--f-body: "Nunito", "Verdana", system-ui, sans-serif;--r: 22px;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--board: #0E1630;--dot: #22304A;--surface: #18223F;--surface-2: #131C36;--ink: #EEF2FA;--muted: #A9B4CC;--line: #2B3758;--brand: #7C8CFF;--brand-dark: #5566E6;--brand-tint: #252F5E;--on-brand: #0E1630;--spark: #FFC94D;--spark-dark: #C99316;--spark-ink: #1B1400;--meadow: #2F6B45;--meadow-dark: #24583A;--lang: #FF8A5C;--lang-tint: #3A2219;--lang-edge: #6B3A26;--lang-ink: #FFB394;--maths: #3CC8AB;--maths-tint: #12352F;--maths-edge: #1F5A4F;--maths-ink: #8BE3D0;--sci: #B29BF0;--sci-tint: #2A2148;--sci-edge: #4A3A80;--sci-ink: #D2C3FA;--type: #FFC533;--type-tint: #3A2F12;--type-edge: #6B5520;--type-ink: #FFDB80;--press: #0A1024;--plus: #FF6B58;--wire: #4CC2A8;--focus: #9AA6FF;--lv0: #7C8CFF;--lv1: #FFC533;--lv2: #3CC8AB;--lv3: #FF8A6E;--lv4: #B29BF0;--good: #4CD38A;--bad: #FF7A68;--glow: rgba(255, 201, 77, .5);--scrim: rgba(0, 0, 0, .6);color-scheme:dark}}:root[data-theme=dark]{--board: #0E1630;--dot: #22304A;--surface: #18223F;--surface-2: #131C36;--ink: #EEF2FA;--muted: #A9B4CC;--line: #2B3758;--brand: #7C8CFF;--brand-dark: #5566E6;--brand-tint: #252F5E;--on-brand: #0E1630;--spark: #FFC94D;--spark-dark: #C99316;--spark-ink: #1B1400;--meadow: #2F6B45;--meadow-dark: #24583A;--lang: #FF8A5C;--lang-tint: #3A2219;--lang-edge: #6B3A26;--lang-ink: #FFB394;--maths: #3CC8AB;--maths-tint: #12352F;--maths-edge: #1F5A4F;--maths-ink: #8BE3D0;--sci: #B29BF0;--sci-tint: #2A2148;--sci-edge: #4A3A80;--sci-ink: #D2C3FA;--type: #FFC533;--type-tint: #3A2F12;--type-edge: #6B5520;--type-ink: #FFDB80;--press: #0A1024;--plus: #FF6B58;--wire: #4CC2A8;--focus: #9AA6FF;--lv0: #7C8CFF;--lv1: #FFC533;--lv2: #3CC8AB;--lv3: #FF8A6E;--lv4: #B29BF0;--good: #4CD38A;--bad: #FF7A68;--glow: rgba(255, 201, 77, .5);--scrim: rgba(0, 0, 0, .6);color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0}body{background:var(--board);color:var(--ink);font:500 17px/1.55 var(--f-body);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}h1,h2,h3,h4{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.15}p{margin:0}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.wrap{max-width:1080px;margin:0 auto;padding-inline:16px;padding-block:0 56px}.stack{display:grid;gap:22px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.spacer{flex:1}.muted{color:var(--muted)}.lead{font-size:1.08rem;color:var(--muted);max-width:62ch}.sec{font-size:1.6rem}.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.btn{border:2px solid var(--line);background:var(--surface);border-radius:14px;padding:8px 16px;font-weight:800;text-decoration:none;display:inline-flex;align-items:center;gap:8px;justify-content:center;min-height:44px;box-shadow:0 3px 0 var(--line)}.btn.primary{background:var(--brand);color:var(--on-brand);border-color:var(--brand);box-shadow:0 3px 0 var(--brand-dark)}.btn.play{background:var(--spark);color:var(--spark-ink);border-color:var(--spark);box-shadow:0 4px 0 var(--spark-dark)}.btn.dark{background:var(--ink);color:var(--board);border-color:var(--ink);box-shadow:none}.btn.ghost{border-color:var(--line);box-shadow:none;background:transparent}.btn.danger{border-color:var(--bad);color:var(--bad)}.btn.big{font-family:var(--f-display);font-weight:600;font-size:1.25rem;padding:12px 24px;border-radius:20px;min-height:60px;box-shadow:0 5px 0 var(--press)}.btn.big.primary{box-shadow:0 5px 0 var(--brand-dark)}.btn.big.play{box-shadow:0 5px 0 var(--spark-dark)}.btn.big.ghost{box-shadow:none}.btn:disabled{opacity:.5;cursor:default}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:2px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 14px;font-weight:700;font-size:.92rem;text-decoration:none}.chip[aria-pressed=true],.chip.active{border-color:var(--ink);box-shadow:inset 0 -4px 0 var(--c, var(--spark))}.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--board);border-bottom:2px solid var(--line)}.topbar .wrap{padding-block:10px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand .bolt{width:36px;height:36px;display:grid;place-items:center;flex:none}.brand .bolt svg{width:34px;height:34px}.brand b{font-family:var(--f-display);font-size:1.5rem;font-weight:700}.pill{font-family:var(--f-display);font-weight:600;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 12px;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.kid-pill{font-size:1.05rem}.kid-pill .av{font-size:1.3rem;line-height:1}.mode-banner{background:color-mix(in srgb,var(--spark) 22%,var(--surface));border-bottom:2px solid var(--line);font-size:.9rem}.mode-banner .wrap{padding-block:6px}.toast{position:fixed;left:50%;transform:translate(-50%);bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:90;background:var(--ink);color:var(--board);border-radius:14px;padding:10px 16px;display:flex;gap:12px;align-items:center;max-width:calc(100% - 32px)}.toast button{background:none;border:0;color:var(--spark);font-weight:700}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:28px;align-items:center;padding-block:36px 12px}@media (max-width: 800px){.hero{grid-template-columns:1fr}}.hero h1{font-size:clamp(2.2rem,6vw,3.6rem);font-weight:700}.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--spark) 62%)}.hero-board{background:var(--surface);border:2px solid var(--line);border-radius:26px;padding:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.hero-board div{aspect-ratio:1;border-radius:16px;display:grid;place-items:center;font-size:2.2rem;background:color-mix(in srgb,var(--c) 18%,var(--surface));border:2px solid color-mix(in srgb,var(--c) 50%,var(--line))}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}.feature{background:var(--surface);border:2px solid var(--line);border-radius:var(--r);padding:16px;display:grid;gap:6px;align-content:start}.feature h3{font-size:1.15rem}.feature p{color:var(--muted);font-size:.95rem}.auth{max-width:440px;margin:40px auto 0;background:var(--surface);border:2px solid var(--line);border-radius:24px;padding:24px;display:grid;gap:16px}.field{display:grid;gap:6px}.field label{font-weight:700;font-size:.95rem}.field input,.field select,.field textarea{border:2px solid var(--line);background:var(--surface-2);border-radius:12px;padding:10px 12px;width:100%;min-width:0}.field textarea{min-height:84px;resize:vertical;line-height:1.45}.field small{color:var(--muted)}.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.9rem}.divider:before,.divider:after{content:"";flex:1;height:2px;background:var(--line)}.note{border-radius:12px;padding:10px 12px;background:var(--surface-2);font-size:.95rem}.note.error{background:color-mix(in srgb,var(--bad) 12%,var(--surface));color:var(--bad)}.note.ok{background:color-mix(in srgb,var(--good) 12%,var(--surface))}.play-screen{position:relative;min-height:100vh;overflow:hidden;background:var(--board);isolation:isolate}.sky-scene{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none}.sky-scene .clouds{fill:var(--surface)}.sky-scene .sun{fill:#ffd95a}.sky-scene .hill-back{fill:var(--meadow)}.sky-scene .hill-front{fill:var(--meadow-dark)}.play-screen .topbar{background:transparent;border-bottom:0}.who-wrap{display:grid;min-height:calc(100vh - 80px);grid-template-rows:1fr auto}.who{text-align:center;padding-top:24px;display:grid;gap:36px;justify-items:center;align-content:start}.who-head{display:grid;gap:8px;justify-items:center}.who h1{font-size:clamp(2.2rem,6vw,3.8rem);font-weight:700;color:#1b2a6b}.who-head p{font-size:1.3rem;font-weight:800;color:#2e4a8c;max-width:46ch}.kids{display:flex;flex-wrap:wrap;gap:24px;justify-content:center}.kid{width:210px;border:0;background:var(--surface);border-radius:36px;padding:22px 14px 18px;display:grid;gap:8px;justify-items:center;box-shadow:0 8px 0 var(--press);transition:transform .1s,box-shadow .1s}.kid:hover{transform:translateY(-4px)}.kid:active{transform:translateY(6px);box-shadow:0 2px 0 var(--press)}.kid-name{font-family:var(--f-display);font-size:1.9rem;font-weight:700}.kid .tag{font-weight:800;color:var(--muted)}.kid.add{background:color-mix(in srgb,var(--surface) 40%,transparent);border:4px dashed var(--surface);box-shadow:none;align-content:center}.kid.add .kid-name{font-size:1.4rem;color:#1b2a6b}.kid.add .tag{color:#2e4a8c}.add-plus{width:84px;height:84px;border-radius:50%;background:var(--surface);color:var(--brand);display:grid;place-items:center}.crew-row{display:flex;justify-content:space-between;align-items:flex-end;gap:8px;padding:32px 0 8px;overflow:hidden}.crew-row .crew{width:clamp(56px,10vw,110px);height:auto}@media (max-width: 560px){.kid{width:calc(50% - 12px);padding:16px 8px}.kid .av-xl{width:110px;height:110px}.kid-name{font-size:1.5rem}}.avatars{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:8px}.avatars button{min-width:0;padding:3px;border:3px solid transparent;background:none;border-radius:18px;aspect-ratio:1;display:grid;place-items:center}.avatars button .avatar{width:100%;height:100%}.avatars button[aria-pressed=true]{border-color:var(--brand)}.greet{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding-top:24px}.greet .face{width:72px;height:72px;border-radius:20px;display:grid;place-items:center;font-size:2.6rem;background:var(--surface);border:3px solid var(--spark)}.greet h1{font-size:clamp(1.8rem,4.5vw,2.4rem)}.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.module{text-decoration:none;background:var(--surface);border:2px solid var(--line);border-radius:22px;padding:18px;display:grid;gap:10px;position:relative;overflow:hidden;transition:transform .15s}.module:hover{transform:translateY(-3px)}.module:before{content:"";position:absolute;inset:0 0 auto 0;height:8px;background:var(--c)}.module .top{display:flex;align-items:center;gap:12px}.module .em{font-size:2.6rem;line-height:1}.module h3{font-size:1.3rem}.module p{color:var(--muted);font-size:.95rem}.bar{height:12px;background:var(--surface-2);border-radius:99px;overflow:hidden;border:2px solid var(--line)}.bar i{display:block;height:100%;background:var(--c, var(--spark));border-radius:99px;transition:width .4s}.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px}.badge{background:var(--surface);border:2px solid var(--line);border-radius:16px;padding:12px 8px;text-align:center;display:grid;gap:4px;justify-items:center}.badge .em{font-size:2rem;line-height:1}.badge b{font-family:var(--f-display);font-weight:600;font-size:.98rem;line-height:1.2}.badge small{color:var(--muted);font-size:.78rem;line-height:1.3}.badge.locked .em{filter:grayscale(1);opacity:.35}.badge.locked b{color:var(--muted)}.badge.earned{border-color:var(--spark);background:color-mix(in srgb,var(--spark) 12%,var(--surface))}.mod-head{display:flex;gap:16px;align-items:center;background:var(--c-tint, var(--surface));color:var(--c-ink, var(--ink));border-radius:32px;padding:12px 22px;box-shadow:0 6px 0 var(--c-edge, var(--press))}.mod-head .em{font-size:3rem;line-height:1}.mod-guide{width:92px;height:92px;margin-block:-8px}.mod-head h1{font-size:clamp(1.8rem,4.5vw,2.5rem);font-weight:700}.mod-head p{font-weight:700}.tabs{display:flex;flex-wrap:wrap;gap:6px;padding-bottom:4px}.tabs a,.tabs button{flex:none;border:0;background:var(--surface);border-radius:999px;padding:9px 18px;font-family:var(--f-display);font-weight:600;font-size:1.05rem;text-decoration:none;box-shadow:0 4px 0 var(--press)}.tabs .active{background:var(--c, var(--brand));color:#fff;box-shadow:0 4px color-mix(in srgb,var(--c, var(--brand)) 65%,#000)}.section-bar{position:relative;display:flex;align-items:center;gap:10px}.sb-row{position:relative;flex:1;min-width:0;display:flex;align-items:center}.sb-chips{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;scroll-behavior:smooth;padding:4px 2px 8px;min-width:0;flex:1}.sb-chips::-webkit-scrollbar{display:none}.sb-row.more-l .sb-chips{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 56px);mask-image:linear-gradient(90deg,transparent 0,#000 56px)}.sb-row.more-r .sb-chips{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 56px),transparent 100%);mask-image:linear-gradient(90deg,#000 calc(100% - 56px),transparent 100%)}.sb-row.more-l.more-r .sb-chips{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 56px,#000 calc(100% - 56px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 56px,#000 calc(100% - 56px),transparent 100%)}.sb-group{display:flex;gap:6px;flex:none}.sb-group+.sb-group{padding-left:10px;margin-left:4px;border-left:2px solid var(--line)}.sb-chip{position:relative;flex:none;display:inline-flex;align-items:center;gap:7px;height:48px;padding:0 13px 0 11px;border-radius:16px;background:var(--surface);color:var(--ink);text-decoration:none;border:2px solid transparent;box-shadow:0 3px 0 var(--press);font-weight:800;white-space:nowrap}.sb-chip .icon{color:var(--c-ink, var(--brand-dark))}.sb-chip:hover{border-color:color-mix(in srgb,var(--c, var(--brand)) 45%,transparent)}.sb-chip:active{transform:translateY(3px);box-shadow:none}.sb-chip.active{background:var(--c-tint, var(--brand-tint));color:var(--c-ink, var(--brand-dark));border-color:var(--c, var(--brand));box-shadow:0 3px 0 var(--c-edge, var(--press))}.sb-name{font-family:var(--f-display);font-weight:600;font-size:1.02rem}.sb-count{font-size:.78rem;font-weight:900;padding:2px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-variant-numeric:tabular-nums}.sb-chip.active .sb-count{background:color-mix(in srgb,var(--c, var(--brand)) 22%,transparent);color:inherit}.sb-prog{position:absolute;left:12px;right:12px;bottom:5px;height:3px;border-radius:2px;background:color-mix(in srgb,var(--c, var(--brand)) 16%,transparent);overflow:hidden}.sb-prog i{display:block;height:100%;background:var(--c, var(--brand));border-radius:2px}.sb-start{font-size:.72rem;font-weight:900;padding:2px 8px;border-radius:999px;background:var(--spark);color:var(--spark-ink)}.sb-arrow{position:absolute;top:calc(50% - 22px);z-index:2;width:40px;height:40px;border-radius:50%;border:0;background:var(--surface);color:var(--ink);display:grid;place-items:center;box-shadow:0 3px 10px color-mix(in srgb,var(--ink) 18%,transparent);cursor:pointer}.sb-arrow.l{left:-6px}.sb-arrow.r{right:-6px}@media (pointer: coarse){.sb-arrow{display:none}}.sb-all{flex:none;display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 12px 0 14px;border-radius:16px;border:2px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-weight:800;cursor:pointer;margin-bottom:4px}.sb-all.on{border-color:var(--c, var(--brand));background:var(--c-tint, var(--brand-tint));color:var(--c-ink, var(--brand-dark))}.sb-n{min-width:24px;height:24px;border-radius:12px;display:inline-grid;place-items:center;background:var(--surface-2);font-size:.8rem;font-weight:900}.sb-scrim{display:none}.sb-panel{position:absolute;z-index:40;top:calc(100% + 6px);left:0;right:0;max-height:min(70vh,640px);overflow-y:auto;background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:14px 16px 18px;box-shadow:0 18px 44px color-mix(in srgb,var(--ink) 22%,transparent);display:grid;gap:14px}.sb-panel-h{display:flex;align-items:center;justify-content:space-between}.sb-panel-h b{font-family:var(--f-display);font-size:1.3rem;font-weight:600}.sb-panel-group{display:grid;gap:8px}.sb-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}.sb-tiles .sm-item{box-shadow:none;border-color:var(--line)}.sb-tiles .sm-item.active{border-color:var(--c, var(--brand))}@media (max-width: 760px){.sb-all .lbl{display:none}.sb-all{padding:0 10px}.sb-scrim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:var(--scrim)}.sb-panel{position:fixed;z-index:91;left:0;right:0;top:auto;bottom:0;max-height:78dvh;border-radius:26px 26px 0 0;padding-bottom:calc(18px + env(safe-area-inset-bottom,0px))}.sb-tiles{grid-template-columns:1fr}}.sm-item{position:relative;display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:22px;background:var(--surface);color:var(--ink);text-decoration:none;border:3px solid transparent;box-shadow:0 5px 0 var(--press);transition:transform .1s,box-shadow .1s,border-color .1s}.sm-item:hover{border-color:color-mix(in srgb,var(--c, var(--brand)) 45%,transparent)}.sm-item:active{transform:translateY(4px);box-shadow:0 1px 0 var(--press)}.sm-item.active{background:var(--c-tint, var(--brand-tint));color:var(--c-ink, var(--brand-dark));border-color:var(--c, var(--brand));box-shadow:0 5px 0 var(--c-edge, var(--press))}.sm-ic{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;flex:none;background:var(--c-tint, var(--brand-tint));color:var(--c-ink, var(--brand-dark))}.sm-item.active .sm-ic{background:var(--c, var(--brand));color:#fff}.sm-txt{display:grid;gap:1px;min-width:0;flex:1}.sm-kind{display:flex;align-items:center;gap:6px;font-size:.72rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.sm-item.active .sm-kind{color:inherit;opacity:.85}.sm-start{font-size:.68rem;letter-spacing:.02em;text-transform:none;background:var(--spark);color:var(--spark-ink);border-radius:999px;padding:1px 8px}.sm-title{font-family:var(--f-display);font-size:1.15rem;font-weight:600;line-height:1.15}.sm-about{font-size:.82rem;font-weight:600;color:var(--muted);line-height:1.3}.sm-item.active .sm-about{color:inherit;opacity:.8}.sm-meta{font-size:.85rem;font-weight:800;margin-top:2px}.sm-bar{height:6px;border-radius:99px;background:color-mix(in srgb,var(--c, var(--brand)) 18%,var(--surface));overflow:hidden;margin-top:4px}.sm-bar i{display:block;height:100%;background:var(--c, var(--brand));border-radius:99px}.lvl-h{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.lvl-h h3{font-size:1.25rem}.lvl-h span{color:var(--muted);font-size:.92rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}.tile{position:relative;text-align:left;border:2px solid var(--line);background:var(--surface);border-radius:var(--r);padding:14px 14px 12px;display:grid;gap:4px;align-content:start;transition:transform .15s}.tile:hover{transform:translateY(-3px)}.tile .pic{font-size:2.4rem;line-height:1}.tile .nm{font-family:var(--f-display);font-weight:600;font-size:1.15rem}.tile .sh{color:var(--muted);font-size:.88rem;line-height:1.35}.tile .dot{position:absolute;top:12px;right:12px;width:24px;height:24px;border-radius:50%;border:3px solid var(--c);display:grid;place-items:center;font-size:.8rem;font-weight:700}.tile.done{border-color:color-mix(in srgb,var(--c) 60%,var(--line))}.tile.done .dot{background:var(--c);color:var(--spark-ink)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:var(--scrim);display:grid;place-items:center;padding:16px;padding-top:calc(16px + env(safe-area-inset-top,0px));padding-bottom:calc(16px + env(safe-area-inset-bottom,0px))}.card{background:var(--surface);border-radius:24px;width:min(720px,100%);max-height:100%;overflow-y:auto;border:3px solid var(--c, var(--spark))}.card-hd{display:flex;gap:14px;align-items:center;padding:18px 20px;background:color-mix(in srgb,var(--c) 18%,var(--surface));flex-wrap:wrap}.card-hd .pic{font-size:3.4rem;line-height:1}.card-hd h2{font-size:1.9rem}.card-hd .acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.card-bd{padding:18px 20px 22px;display:grid;gap:18px}.blk h4{margin:0 0 4px;font-size:1.05rem;color:var(--muted);font-weight:600}.blk p{max-width:62ch}.like{background:color-mix(in srgb,var(--spark) 16%,var(--surface));border-radius:14px;padding:12px 14px;font-size:1.1rem}.places{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}.places li{border:2px dashed var(--line);border-radius:12px;padding:6px 12px;font-size:.95rem}.sym{display:flex;gap:16px;align-items:center;flex-wrap:wrap;border:2px solid var(--line);border-radius:14px;padding:10px 14px}.sym svg{width:150px;height:70px;flex:none;color:var(--ink)}.sym p{flex:1 1 200px;min-width:0;color:var(--muted);font-size:.95rem}.think{border-left:6px solid var(--c, var(--spark));padding:4px 0 4px 14px;display:grid;gap:8px;justify-items:start}.think .q{font-weight:700;font-size:1.08rem}.think .a{background:var(--surface-2);border-radius:12px;padding:8px 12px}.try{background:var(--surface-2);border-radius:14px;padding:12px 14px}.adult{display:inline-block;margin-top:6px;font-size:.85rem;font-weight:700;color:var(--plus)}.card-ft{display:flex;justify-content:space-between;gap:8px;padding:0 20px 18px;flex-wrap:wrap}.learned{color:var(--good);font-weight:700}.panel{background:var(--surface);border:0;border-radius:30px;padding:16px;box-shadow:0 6px 0 var(--press)}.panel h3{font-size:1.2rem;margin-bottom:8px}.bench{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px;align-items:start}@media (max-width: 760px){.bench{grid-template-columns:1fr}}.circuit{width:100%;height:auto;display:block}.circuit .w{fill:none;stroke:var(--wire);stroke-width:7;stroke-linecap:round;stroke-linejoin:round}.circuit .flow{fill:none;stroke:var(--spark);stroke-width:4;stroke-linecap:round;stroke-dasharray:3 14;opacity:0}.circuit.on .flow{opacity:1;animation:run .6s linear infinite}@keyframes run{to{stroke-dashoffset:-17}}.circuit .term{fill:var(--surface);stroke:var(--ink);stroke-width:3}.circuit .lever{stroke:var(--ink);stroke-width:7;stroke-linecap:round;transition:transform .25s;transform-origin:140px 40px;transform:rotate(-32deg)}.circuit.closed .lever{transform:rotate(0)}.circuit text{font-family:var(--f-display);fill:var(--ink);font-weight:600}.circuit .plate{stroke:var(--ink);stroke-linecap:round}.circuit .bulb-glass{fill:var(--surface-2);stroke:var(--ink);stroke-width:3;transition:fill .2s}.circuit.on .bulb-glass{fill:var(--spark);filter:drop-shadow(0 0 14px var(--glow))}.circuit .fan{transform-origin:320px 120px}.circuit.on .fan{animation:spin .5s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.circuit .waves{opacity:0}.circuit.on .waves{opacity:1;animation:pulse .4s ease-in-out infinite alternate}@keyframes pulse{0%{transform:translate(0)}to{transform:translate(4px)}}.circuit .led-body{fill:var(--surface-2);stroke:var(--ink);stroke-width:3;transition:fill .2s}.circuit.on .led-body{fill:var(--plus);filter:drop-shadow(0 0 12px var(--plus))}.circuit .led-rot{transform-origin:320px 120px;transition:transform .3s}.circuit .led-rot.flip{transform:rotate(180deg)}.switch-btn{font-family:var(--f-display);font-size:1.3rem;font-weight:700;border:none;border-radius:16px;padding:14px;background:var(--spark);color:var(--spark-ink)}.switch-btn.off{background:var(--ink);color:var(--board)}.say{font-size:1.12rem;font-weight:700;min-height:3.2em}.say small{display:block;font-weight:400;color:var(--muted);font-size:.95rem}.bin-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.bin-card{aspect-ratio:3 / 4;border-radius:16px;border:3px solid var(--ink);background:var(--surface);display:grid;place-items:center;padding:8px;transition:transform .25s,background .2s}.bin-card.off{background:var(--ink);color:var(--board);transform:rotateY(12deg)}.bin-card .dots{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;max-width:80px}.bin-card .dots i{width:10px;height:10px;border-radius:50%;background:var(--spark);border:1px solid var(--spark-ink)}.bin-card .val{font-family:var(--f-display);font-size:1.3rem;font-weight:700}.bin-card.off .dots{visibility:hidden}.bits{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:2rem;letter-spacing:.3em;font-weight:700}.total{font-family:var(--f-display);font-size:3rem;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.target{background:color-mix(in srgb,var(--lv2) 16%,var(--surface));border-radius:14px;padding:12px 14px;font-weight:700}.maze{display:grid;gap:6px;width:100%;max-width:420px}.maze .cell{aspect-ratio:1;border-radius:10px;background:var(--surface-2);border:2px solid var(--line);display:grid;place-items:center;font-size:clamp(1.1rem,5vw,1.8rem);position:relative}.maze .cell.wall{background:var(--ink);border-color:var(--ink)}.maze .cell.trail{background:color-mix(in srgb,var(--spark) 25%,var(--surface))}.maze .robot{transition:transform .2s;display:inline-block}.maze .bump{animation:shake .3s}@keyframes shake{25%{translate:-4px 0}75%{translate:4px 0}}.palette{display:flex;flex-wrap:wrap;gap:8px}.blockbtn{border:0;border-radius:12px;padding:10px 14px;font-weight:700;color:#fff;background:var(--lv4);font-family:var(--f-display);font-size:1.05rem}.blockbtn.turn{background:var(--lv0)}.blockbtn.rep{background:var(--lv3)}.program{min-height:64px;border:2px dashed var(--line);border-radius:14px;padding:10px;display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start}.program .blk-i{border-radius:10px;padding:6px 10px;color:#fff;font-weight:700;background:var(--lv4);display:inline-flex;gap:6px;align-items:center;border:0}.program .blk-i.turn{background:var(--lv0)}.program .blk-i.rep{background:var(--lv3)}.program .blk-i.cur{outline:3px solid var(--spark);outline-offset:2px}.levels{display:flex;flex-wrap:wrap;gap:6px}.levels button{width:42px;height:42px;border-radius:12px;border:2px solid var(--line);background:var(--surface);font-weight:700}.levels button.cur{border-color:var(--ink)}.levels button.won{background:var(--good);border-color:var(--good);color:#fff}.mgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.mach ol{margin:0;padding:0;list-style:none;display:grid;gap:6px}.mach li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:baseline}.mach li b{font-family:var(--f-display);font-weight:600;background:var(--surface-2);border-radius:8px;padding:1px 8px;white-space:nowrap}.body-map{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.body-map div{background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:10px 12px}.body-map b{display:block;font-family:var(--f-display);font-size:1.05rem}.body-map span{color:var(--muted);font-size:.92rem}.tablebox{overflow-x:auto;background:var(--surface);border:2px solid var(--line);border-radius:var(--r)}table.hunt{border-collapse:collapse;width:100%;min-width:640px}.hunt th,.hunt td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:center}.hunt th{font-family:var(--f-display);font-weight:600;font-size:.95rem}.hunt th:first-child{text-align:left;padding-left:14px;white-space:nowrap}.hcell{width:40px;height:40px;border-radius:12px;border:2px solid var(--line);background:var(--surface-2);font-size:1.2rem;font-weight:700;position:relative}.hcell.on{background:var(--wire);border-color:var(--wire);color:var(--surface)}.hcell.hint:after{content:"";position:absolute;right:-4px;top:-4px;width:12px;height:12px;border-radius:50%;background:var(--spark);border:2px solid var(--surface)}.quiz{max-width:640px;display:grid;gap:14px}.quiz h3{font-size:1.45rem}.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.opt{border:2px solid var(--line);background:var(--surface);border-radius:16px;padding:12px;font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:10px;text-align:left}.opt .e{font-size:1.7rem}.opt.right{border-color:var(--good);background:color-mix(in srgb,var(--good) 15%,var(--surface))}.opt.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 12%,var(--surface))}.fb{border-radius:14px;padding:12px 14px;background:var(--surface);border:2px solid var(--line)}.progress{height:10px;background:var(--surface);border-radius:99px;overflow:hidden;border:2px solid var(--line)}.progress i{display:block;height:100%;background:var(--spark);transition:width .3s}.dash{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}@media (max-width: 880px){.dash{grid-template-columns:1fr}}.child-sum{display:grid;gap:14px}.child-sum .hd{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.child-sum .face{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:1.9rem;background:var(--surface-2);border:2px solid var(--line)}.child-sum h3{font-size:1.35rem;margin:0}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}.stat{background:var(--surface-2);border-radius:12px;padding:10px 12px}.stat b{display:block;font-family:var(--f-display);font-size:1.6rem;font-variant-numeric:tabular-nums}.stat span{color:var(--muted);font-size:.85rem}.modrows{display:grid;gap:10px}.modrow{display:grid;grid-template-columns:170px minmax(0,1fr) minmax(90px,auto);gap:12px;align-items:center;font-size:.95rem}.modrow .bar-track{max-width:none;height:12px;background:var(--c-tint, var(--surface-2))}.modrow .bar-track i{background:var(--c, var(--brand))}.modrow .n{font-weight:700}.modrow .v{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}@media (max-width: 520px){.modrow{grid-template-columns:1fr 70px}.modrow .bar{grid-column:1 / -1;order:3}}.suggest{background:var(--type-tint);color:var(--type-ink);border-radius:18px;padding:12px 16px}.suggest .eyebrow{color:var(--type-ink)}.recent{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:.92rem}.recent li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding-bottom:6px}.recent b{font-variant-numeric:tabular-nums}.side{display:grid;gap:16px}.side ul{margin:0;padding-left:20px;display:grid;gap:6px}.safety{background:color-mix(in srgb,var(--plus) 10%,var(--surface));border:2px solid var(--plus);border-radius:var(--r);padding:14px 16px}.safety h3{color:var(--plus)}.guide{background:var(--surface);border:2px solid var(--line);border-radius:var(--r);padding:20px clamp(16px,4vw,36px);max-width:820px}.guide h1{font-size:2rem;margin-bottom:12px}.guide h2{font-size:1.5rem;margin:26px 0 10px}.guide h3{font-size:1.2rem;margin:20px 0 8px}.guide p,.guide li{max-width:68ch}.guide p{margin:0 0 12px}.guide hr{border:0;border-top:2px solid var(--line);margin:22px 0}.guide table{border-collapse:collapse;width:100%;margin:10px 0 16px;display:block;overflow-x:auto}.guide th,.guide td{border:1px solid var(--line);padding:6px 10px;text-align:left}.guide blockquote{margin:0 0 12px;padding:8px 14px;border-left:5px solid var(--spark);background:var(--surface-2);border-radius:0 10px 10px 0}.guide code{background:var(--surface-2);border-radius:6px;padding:1px 5px}.admin{display:grid;grid-template-columns:240px minmax(0,1fr);gap:20px;align-items:start}@media (max-width: 860px){.admin{grid-template-columns:1fr}}.admin-nav{display:grid;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:12px}.admin-nav button{text-align:left;border:0;background:none;border-radius:12px;padding:7px 10px;font-weight:700;display:flex;gap:8px;align-items:center;color:var(--ink)}.admin-nav button:hover{background:var(--surface-2)}.admin-nav button.active{background:var(--brand-tint);color:var(--brand-dark)}.admin-group{display:grid;gap:2px;margin-bottom:8px}.admin-group-h{display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:4px 6px}.admin-nav .admin-new{color:var(--brand-dark);border:1px dashed var(--brand);justify-content:center;margin-top:4px}.admin-nav .mastery{height:24px;font-size:.75rem}.admin-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:var(--c-tint);color:var(--c-ink);border-radius:22px;padding:10px 18px}.admin-head h2{font-size:1.6rem;font-weight:600}.admin-head .muted{color:var(--c-ink);font-weight:700}.list{display:grid;gap:6px}.list-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 12px;text-align:left}.list-row:hover{border-color:var(--brand)}.list-row .q-mark{width:30px;height:30px;border-radius:50%;background:var(--brand-tint);color:var(--brand-dark);display:grid;place-items:center;font-family:var(--f-display);font-weight:700;font-size:1.1rem}.list-row .em{font-size:1.5rem}.list-row .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-row small{color:var(--muted)}.tag{font-size:.75rem;font-weight:700;border-radius:99px;padding:2px 8px;background:var(--surface-2);color:var(--muted);white-space:nowrap}.tag.draft{background:color-mix(in srgb,var(--plus) 14%,var(--surface));color:var(--plus)}.form{display:grid;gap:14px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.check{display:flex;gap:8px;align-items:center;font-weight:700}.check input{width:20px;height:20px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@media (max-width: 440px){.brand b{display:none}.mode-banner{font-size:.8rem}}.btn.small{padding:3px 10px;font-size:.85rem;border-radius:10px;min-height:32px;box-shadow:0 2px 0 var(--line)}.btn.small.primary{box-shadow:0 2px 0 var(--brand-dark)}.center-row{justify-content:center}.journey .panel{padding:clamp(14px,3vw,24px)}.step-body{display:grid;gap:18px}.bit{display:flex;gap:12px;align-items:flex-end}.bit-face{flex:none;overflow:visible}.bit-face.cheer{animation:hop .6s ease-in-out 2}@keyframes hop{50%{transform:translateY(-8px) rotate(-4deg)}}.bit-glow{filter:drop-shadow(0 0 6px var(--glow))}.bubble{position:relative;flex:1;min-width:0;background:var(--c-tint, var(--surface-2));color:var(--ink);border-radius:26px 26px 26px 8px;padding:14px 18px;font-size:1.22rem;font-weight:800;line-height:1.4;display:grid;gap:8px;justify-items:start}.room{border-radius:22px;padding:22px;display:grid;place-items:center;background:var(--ink);transition:background .3s}.room.lit{background:color-mix(in srgb,var(--spark) 35%,var(--surface))}.lamps-row{gap:clamp(10px,3vw,22px)}.lamp{border:0;background:none;padding:0;display:grid;justify-items:center;gap:2px;font-family:var(--f-display);font-weight:700;color:var(--ink)}.lamp svg{width:64px;height:86px;overflow:visible}.lamp-lg svg{width:80px;height:106px}.lamp-xl svg{width:120px;height:160px}.lamp .glass{fill:var(--surface-2);stroke:var(--ink);stroke-width:3;transition:fill .2s,filter .2s}.lamp .base{fill:var(--muted)}.lamp.on .glass{fill:var(--spark);filter:drop-shadow(0 0 14px var(--glow))}.lamp:not(.ro):hover svg{transform:translateY(-2px)}.lamp-state{font-size:1rem;letter-spacing:.06em}.lamp.on .lamp-state{color:var(--spark-ink);background:var(--spark);border-radius:8px;padding:0 8px}.room .lamp .lamp-state{color:var(--board)}.room.lit .lamp .lamp-state{color:var(--spark-ink)}.lamp-label{font-size:.85rem;color:var(--muted)}.choices{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.choice{border:3px solid transparent;background:var(--surface);border-radius:22px;padding:14px 22px;font-family:var(--f-display);font-weight:600;font-size:1.35rem;min-width:120px;min-height:64px;box-shadow:0 5px 0 var(--c-edge, var(--press));transition:transform .08s,box-shadow .08s}.choice:hover:not(:disabled){border-color:var(--c, var(--brand))}.choice:active:not(:disabled){transform:translateY(4px);box-shadow:0 1px 0 var(--c-edge, var(--press))}.fb-line{text-align:center;font-weight:700;font-size:1.1rem}.fb-line.good{color:var(--good)}.fb-line.bad{color:var(--bad)}.q-line{font-size:1.1rem;text-align:center}.legend{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;font-weight:700;background:var(--surface-2);border-radius:14px;padding:10px 14px}.legend div{display:flex;gap:8px;align-items:center}.mini-lamps{display:inline-flex;gap:4px;vertical-align:middle}.mini-lamps i{width:16px;height:16px;border-radius:50%;background:var(--surface-2);border:2px solid var(--ink)}.mini-lamps i.on{background:var(--spark);box-shadow:0 0 6px var(--glow)}.found{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}.slot{border:2px dashed var(--line);border-radius:14px;padding:10px;display:grid;gap:6px;justify-items:center;min-height:72px;align-content:center;font-weight:700}.slot.filled{border-style:solid;border-color:var(--good);background:color-mix(in srgb,var(--good) 10%,var(--surface))}.doubling{border-collapse:collapse;margin:0 auto;font-size:1.2rem}.doubling th,.doubling td{padding:6px 18px;border-bottom:2px solid var(--line);text-align:center}.doubling td:last-child{font-family:var(--f-display);font-weight:700;font-size:1.5rem}.apples{font-size:1.6rem;letter-spacing:2px;line-height:1.3;word-break:break-all}.basket-target,.basket{display:grid;gap:4px;justify-items:center;text-align:center;border-radius:16px;padding:10px 14px}.basket-target{background:color-mix(in srgb,var(--lv3) 12%,var(--surface))}.basket{border:3px dashed var(--line);min-height:84px}.basket.full{border-style:solid;border-color:var(--good);background:color-mix(in srgb,var(--good) 10%,var(--surface))}.basket.over{border-color:var(--bad)}.basket small{color:var(--bad);font-weight:700}.apple-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.apple-card,.big-card{border:3px solid var(--ink);background:var(--ink);color:var(--board);border-radius:18px;padding:12px 8px;display:grid;gap:8px;justify-items:center;align-content:start;min-height:150px;transition:background .2s,transform .15s}.apple-card .apples{opacity:.35}.apple-card.on,.big-card.on{background:var(--surface);color:var(--ink);transform:translateY(-4px)}.apple-card.on .apples{opacity:1}.digit{font-family:ui-monospace,Menlo,monospace;font-size:1.6rem}.counter{display:flex;flex-wrap:wrap;gap:18px 28px;align-items:center;justify-content:center;text-align:center}.counter>div{display:grid;gap:2px}.counter .total.over{color:var(--bad)}.plus{font-size:1.8rem!important;min-width:110px}.big-cards{display:grid;gap:8px}.big-cards.n5{grid-template-columns:repeat(5,minmax(0,1fr))}.big-cards.n8{grid-template-columns:repeat(8,minmax(0,1fr))}@media (max-width: 560px){.big-cards.n8{grid-template-columns:repeat(4,minmax(0,1fr))}}.big-card{min-height:120px;padding:10px 4px}.big-card .dots{display:flex;flex-wrap:wrap;gap:3px;justify-content:center;max-width:64px;opacity:.35}.big-card.on .dots{opacity:1}.big-card .dots i{width:9px;height:9px;border-radius:50%;background:var(--spark);border:1px solid var(--spark-ink)}.big-card .bignum{font-family:var(--f-display);font-size:1.5rem;font-weight:700;opacity:.45}.big-card.on .bignum{opacity:1}.big-card .val{font-family:var(--f-display);font-weight:700}.pixel-wrap{overflow-x:auto}.pixels{display:grid;gap:4px;width:max-content;margin:0 auto}.pixel-row{display:flex;gap:4px;align-items:center}.px{width:clamp(26px,8vw,38px);aspect-ratio:1;border-radius:6px;border:2px solid var(--line);background:var(--surface)}.px.on{background:var(--plus);border-color:var(--plus)}.rowcode{font-size:.95rem;margin-left:8px;color:var(--muted);white-space:nowrap;font-weight:700}.rowcode.ok{color:var(--good)}.secret-word{display:flex;gap:8px;justify-content:center}.secret-word span{width:48px;height:56px;border-radius:12px;border:3px solid var(--line);display:grid;place-items:center;font-family:var(--f-display);font-size:1.8rem;font-weight:700;background:var(--surface)}.secret-word span.got{border-color:var(--good);color:var(--good)}.secret-word span.cur{border-color:var(--spark);box-shadow:0 0 0 3px color-mix(in srgb,var(--spark) 35%,transparent)}.key{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}.key.big{grid-template-columns:repeat(auto-fill,minmax(112px,1fr))}.key-item{border:2px solid var(--line);background:var(--surface);border-radius:12px;padding:8px;display:flex;gap:8px;align-items:center;justify-content:space-between}.key-item b{font-family:var(--f-display);font-size:1.3rem}.key.big .mini-lamps i{width:12px;height:12px}.celebrate{display:grid;gap:12px;justify-items:center;text-align:center}.celebrate h2{font-size:2.4rem;font-weight:700}.cele-stars{display:flex;align-items:flex-end;gap:6px;color:var(--spark);filter:drop-shadow(0 3px 0 var(--spark-dark))}.apple-card .mini-lamps i,.big-card .mini-lamps i{border-color:currentColor}.circuit.board,.circuit.ws{width:100%;height:auto;display:block}.circuit .flow.live{opacity:1;animation:run .6s linear infinite}.circuit .w.thin{stroke-width:5}.circuit .sw-lever{stroke:var(--ink);stroke-width:6;stroke-linecap:round;transition:transform .25s}.circuit .bulb-glass.lvl1{fill:color-mix(in srgb,var(--spark) 35%,var(--surface-2))}.circuit .bulb-glass.lvl2{fill:color-mix(in srgb,var(--spark) 70%,var(--surface-2));filter:drop-shadow(0 0 6px var(--glow))}.circuit .bulb-glass.lvl3{fill:var(--spark);filter:drop-shadow(0 0 14px var(--glow))}.circuit .led-body.lit{fill:var(--plus);filter:drop-shadow(0 0 10px var(--plus))}.circuit .fan.spin{animation:spin .5s linear infinite}.circuit .waves.on{opacity:1;animation:pulse .4s ease-in-out infinite alternate}.circuit .muted-text,.circuit .part-label{fill:var(--muted)}.gate path,.gate circle{fill:var(--surface-2);stroke:var(--ink);stroke-width:3;transition:fill .2s}.gate.on path:first-child{fill:color-mix(in srgb,var(--spark) 45%,var(--surface))}.gate .gate-line{fill:none}.circuit .gate-label{font-family:var(--f-body);font-weight:700}.gate-slot{fill:var(--surface);stroke:var(--muted);stroke-width:3;stroke-dasharray:8 6}.lwire{fill:none;stroke:var(--muted);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s}.lwire.on{stroke:var(--spark);filter:drop-shadow(0 0 3px var(--glow))}.in-toggle rect{fill:var(--surface-2);stroke:var(--ink);stroke-width:3;transition:fill .2s}.in-toggle.on rect{fill:var(--spark)}.in-toggle .knob{fill:var(--surface);stroke:var(--ink);stroke-width:3;transition:cx .2s}.circuit .in-toggle .bit,.circuit .in-toggle .lbl{font-family:var(--f-body);font-weight:700}.panel.flat{padding:10px;background:var(--surface-2);border:0}.switch-btn.small{font-size:1.05rem;padding:10px 16px;border:none;border-radius:14px;background:var(--spark);color:var(--spark-ink);font-family:var(--f-display);font-weight:700}.switch-btn.small.off{background:var(--ink);color:var(--board)}.sky.day{background:color-mix(in srgb,var(--spark) 25%,var(--surface))}.sky.night{background:color-mix(in srgb,var(--ink) 85%,var(--lv4))}.sky.night .circuit text{fill:var(--board)}.tt-wrap{overflow-x:auto;min-width:0}.tt{border-collapse:collapse;margin:0 auto;background:var(--surface);border-radius:12px;overflow:hidden}.tt th,.tt td{padding:8px 12px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap}.tt th{font-family:var(--f-display);font-weight:600;background:var(--surface-2)}.tt th.out,.tt td.out{background:color-mix(in srgb,var(--spark) 12%,var(--surface))}.tt tr.cur td{box-shadow:inset 0 0 0 9999px color-mix(in srgb,var(--spark) 14%,transparent)}.tt tr.seen td:first-child{box-shadow:inset 4px 0 0 var(--good)}.tt tr.bad td{color:var(--bad)}.tt.small th,.tt.small td{padding:4px 8px;font-size:.9rem}.tt-count{font-size:.85rem;margin-top:6px}.tray{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.tray-item{border:2px solid var(--line);background:var(--surface);border-radius:14px;padding:6px 12px;font-weight:700;display:inline-flex;gap:6px;align-items:center}.tray-item span{font-size:1.4rem}.tray-item.yes{border-color:var(--good);opacity:.6}.tray-item.no{border-color:var(--bad);opacity:.6}.bins{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.bin{border-radius:14px;padding:10px 12px;display:grid;gap:2px;min-height:90px;align-content:start}.bin.yes{background:color-mix(in srgb,var(--good) 12%,var(--surface));border:2px solid var(--good)}.bin.no{background:color-mix(in srgb,var(--bad) 10%,var(--surface));border:2px solid var(--bad)}.bin small{color:var(--muted)}.bin div{font-size:1.6rem;display:flex;gap:6px;flex-wrap:wrap}.checklist{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-weight:700}.checklist li.done{color:var(--good)}.controls{display:flex;flex-wrap:wrap;gap:14px 28px;justify-content:center}.controls .row{margin-top:6px}.adder{display:grid;gap:12px;overflow-x:auto}.bitrow{display:flex;gap:8px;align-items:center;justify-content:center}.bitrow-label{font-family:var(--f-display);font-size:1.4rem;font-weight:700;width:28px;text-align:center}.bitrow-num{font-family:var(--f-display);font-size:1.4rem;font-weight:700;min-width:58px;font-variant-numeric:tabular-nums}.bitbtn{width:56px;height:62px;border-radius:14px;border:3px solid var(--ink);background:var(--ink);color:var(--board);display:grid;place-items:center;align-content:center;gap:0;padding:0}.bitbtn b{font-family:ui-monospace,Menlo,monospace;font-size:1.5rem;line-height:1}.bitbtn small{font-size:.75rem;opacity:.8}.bitbtn.on{background:var(--spark);color:var(--spark-ink);border-color:var(--spark-ink)}.bitbtn.ro{cursor:default}.bitrow.result{border-top:3px solid var(--ink);padding-top:12px}.adders{display:grid;grid-template-columns:56px repeat(4,56px) 58px;gap:8px;justify-content:center;padding-left:36px}.adder-box{position:relative;height:56px;border-radius:12px;border:2px dashed var(--muted);display:grid;place-items:center;align-content:center;font-size:.75rem;color:var(--muted)}.adder-box b{font-size:1.2rem;color:var(--ink)}.adder-box.on{border-style:solid;border-color:var(--spark)}.adder-box.carry-out{font-weight:700}.adder-box.carry-out.on{background:color-mix(in srgb,var(--spark) 30%,var(--surface));color:var(--ink)}.carry-arrow{position:absolute;left:-12px;top:50%;transform:translateY(-50%);font-size:.9rem;color:var(--line)}.carry-arrow.on{color:var(--plus)}.ws-board{overflow-x:auto;border-radius:16px;background:var(--surface-2);padding:6px}.ws-board svg{min-width:520px}.ws .cell{fill:var(--surface);stroke:var(--line);stroke-width:1.5}.ws .cell.open{stroke:var(--wire);stroke-dasharray:6 6;stroke-width:2.5;cursor:pointer}.tdot{fill:var(--surface);stroke:var(--lv4);stroke-width:3;cursor:pointer}.tdot.sel{fill:var(--lv4)}.ex-select{border:2px solid var(--line);background:var(--surface);border-radius:12px;padding:7px 10px;font-weight:700}.parent-note{background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:10px 14px}.parent-note summary{cursor:pointer;font-weight:700;color:var(--muted)}.parent-note p{margin-top:8px;max-width:70ch}.celebrate .parent-note{text-align:left;width:min(640px,100%)}.paths{display:grid;gap:6px}.path-row{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;background:var(--surface-2);border-radius:18px;padding:8px 14px;font-size:.95rem}.path-row .pr-txt{display:grid;flex:1 1 220px;min-width:0}.path-row .bar-track{flex:1 1 160px;max-width:240px;height:12px;background:var(--c-tint)}.path-row .bar-track i{background:var(--c)}.path-row a{margin-left:auto;font-weight:700}.adder-grid{display:grid;grid-template-columns:44px repeat(5,56px) 70px;gap:10px 8px;justify-content:center;align-items:center;min-width:max-content;margin:0 auto}.ag-label{font-family:var(--f-display);font-size:1.4rem;font-weight:700;text-align:center}.ag-label.small{font-size:.75rem;color:var(--muted);font-family:var(--f-body)}.ag-num{font-family:var(--f-display);font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums}.adder-grid>.ag-label:nth-last-of-type(1){border:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.btn{transition:background .15s,border-color .15s,transform .08s,box-shadow .08s}.btn:hover:not(:disabled):not(.primary):not(.play):not(.danger):not(.dark){border-color:var(--ink)}.btn.primary:hover:not(:disabled){background:color-mix(in srgb,var(--brand) 90%,var(--ink))}.btn:active:not(:disabled){transform:translateY(3px);box-shadow:0 0 0 transparent}.page{padding-block:20px 32px}.kid-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--board)}.kid-top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;display:flex;align-items:center;gap:10px;padding:12px 20px;background:color-mix(in srgb,var(--board) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.kid-top .brand b{font-size:1.45rem}.kid-top .pill{font-size:1.15rem;padding:6px 14px;min-height:48px;border:0;box-shadow:0 4px 0 var(--press)}.pill.time{background:var(--maths-tint);color:var(--maths-ink)}.pill.time.low{background:color-mix(in srgb,var(--plus) 16%,var(--surface));color:var(--ink);animation:pulse 1s ease-in-out infinite alternate}.kid-body{flex:1;display:grid;grid-template-columns:124px minmax(0,1fr);max-width:1280px;width:100%;margin:0 auto}.kid-main{padding-inline:20px;min-width:0}.kid-nav{position:sticky;top:84px;align-self:start;display:grid;gap:6px;margin:12px 8px;padding:10px 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env(safe-area-inset-bottom,0px));left:10px;right:10px;z-index:40;margin:0;grid-auto-flow:column;grid-auto-columns:1fr;gap:2px;padding:6px;border-radius:26px}.kid-nav-item{padding:4px 2px;border-radius:18px;font-size:.74rem}.kid-nav-item .ic,.kid-nav-item .ic .crew{height:32px;width:32px}.kid-top .brand b,.acct-btn .nm,.acct-btn .caret{display:none}.kid-top .pill{font-size:1rem;padding:4px 10px;min-height:42px}}.acct{position:relative}.acct-btn{display:inline-flex;align-items:center;gap:8px;border:0;background:var(--surface);border-radius:999px;padding:5px 16px 5px 5px;font-family:var(--f-display);font-weight:600;font-size:1.15rem;min-height:52px;box-shadow:0 4px 0 var(--press)}.acct-btn:active{transform:translateY(3px);box-shadow:none}.acct-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:60;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:6px;display:grid;min-width:240px;box-shadow:0 16px 40px color-mix(in srgb,var(--ink) 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.av-emoji{font-size:3.4rem}.av-xl{width:150px;height:150px;border-radius:44px}.av-xl .av-emoji{font-size:5.4rem}.star-ic,.flame-ic{flex:none}.toast{z-index:95}.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:.95rem;color:var(--muted)}.crumbs a.back-btn{color:var(--ink);font-family:var(--f-display);font-size:1.05rem;min-height:44px;margin-right:10px}.crumbs a.back-btn:hover{text-decoration:none}@media (max-width: 600px){.crumbs>span{display:none}}.kid-main:focus{outline:none}.lock-hint{margin:6px 4px 0;font-weight:700}.oops{text-align:center;display:grid;gap:12px;justify-items:center;margin:32px auto;max-width:560px}.oops .em{font-size:4rem;line-height:1}.crumbs a{color:var(--muted);font-weight:700;text-decoration:none}.crumbs a:hover{color:var(--ink);text-decoration:underline}.crumbs .sep{margin:0 6px}.crumbs b{color:var(--ink)}.continue{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px;align-items:center;text-decoration:none;background:var(--surface);border:3px solid var(--c);border-radius:22px;padding:16px 20px;box-shadow:0 6px color-mix(in srgb,var(--c) 45%,transparent);transition:transform .15s}.continue:hover{transform:translateY(-2px)}.continue .em{font-size:3rem;line-height:1}.continue .txt{display:grid;gap:6px}.continue .txt b{font-family:var(--f-display);font-size:1.5rem;font-weight:600}.continue .bar{max-width:320px}.continue .go{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--spark);color:var(--spark-ink);font-size:1.4rem}.areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.area-card{position:relative;overflow:hidden;text-decoration:none;display:grid;gap:6px;align-content:start;padding:22px 20px 20px;border-radius:26px;background:color-mix(in srgb,var(--c) 16%,var(--surface));border:3px solid color-mix(in srgb,var(--c) 55%,var(--line));min-height:200px;transition:transform .15s}.area-card:hover{transform:translateY(-4px)}.area-card .em{font-size:3.4rem;line-height:1}.area-card h3{font-size:1.7rem}.area-card p{color:var(--muted)}.area-card .meta{margin-top:auto;font-weight:700;font-size:.9rem}.area-head{display:flex;gap:18px;align-items:center;padding:14px 24px;border-radius:36px;background:var(--c-tint);color:var(--c-ink);box-shadow:0 7px 0 var(--c-edge)}.area-guide{width:130px;height:130px;margin-block:-14px}.area-head p{font-weight:800;font-size:1.1rem}.area-head .em{font-size:3.2rem;line-height:1}.area-head h1{font-size:clamp(2rem,5vw,2.8rem);font-weight:700}@media (max-width: 560px){.area-guide{width:84px;height:84px;margin-block:-6px}.area-head{padding:12px 16px;gap:10px}}.module.soon{opacity:.75;cursor:default}.module.soon:hover{transform:none}.ribbon{position:absolute;top:14px;right:-34px;transform:rotate(35deg);background:var(--ink);color:var(--board);font-size:.75rem;font-weight:700;padding:3px 40px;letter-spacing:.04em}.badge-strip{display:flex;flex-wrap:wrap;gap:8px}.badge-chip{background:var(--type-tint);color:var(--type-ink);border:0;box-shadow:0 3px 0 var(--type-edge);border-radius:999px;padding:6px 14px;font-weight:800}.badge .got{font-size:.75rem;font-weight:700;color:var(--good)}.seg-field{border:0;padding:0;margin:0}.seg-field legend{font-weight:700;font-size:.95rem;margin-bottom:6px}.seg{display:flex;flex-wrap:wrap;gap:6px}.seg label,.seg a,.seg>button{border:2px solid var(--line);background:var(--surface);border-radius:12px;padding:8px 14px;font-weight:700;cursor:pointer;text-decoration:none}.seg label{position:relative}.seg label input{position:absolute;top:0;right:0;bottom:0;left:0;width:1px;height:1px;margin:0;opacity:0;pointer-events:none}.seg>button{color:var(--ink)}.seg .on{border-color:var(--ink);background:color-mix(in srgb,var(--spark) 22%,var(--surface))}.seg label:focus-within{outline:3px solid var(--focus);outline-offset:2px}.pc-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--surface-2)}.pc-top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--line)}.pc-tag{font-size:.8rem;font-weight:800;color:var(--brand-dark);background:var(--brand-tint);border-radius:8px;padding:2px 8px;margin-left:4px}.pc-user{font-size:.9rem}.pc-body{flex:1;display:grid;grid-template-columns:240px minmax(0,1fr);max-width:1320px;width:100%;margin:0 auto}.pc-nav{position:sticky;top:64px;align-self:start;display:grid;gap:2px;padding:20px 12px;margin:16px 0 16px 16px;background:var(--surface);border:1px solid var(--line);border-radius:22px}.pc-nav-item{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:14px;text-decoration:none;font-weight:800;font-size:.95rem;color:var(--muted)}.pc-nav-item:hover{background:var(--surface-2);color:var(--ink)}.pc-nav-item.active{background:var(--brand-tint);color:var(--brand-dark)}.pc-main{padding:24px 24px 48px;display:grid;gap:18px;align-content:start;min-width:0}.pc-title{font-size:2rem;font-weight:600}@media (max-width: 900px){.pc-body{grid-template-columns:1fr}.pc-nav{position:static;display:flex;overflow-x:auto;gap:6px;padding:10px 16px;margin:0;border:0;border-bottom:1px solid var(--line);border-radius:0;scrollbar-width:none}.pc-nav-item{flex:none;border:1px solid var(--line);background:var(--surface)}.pc-nav-item.active{border-color:var(--brand)}.pc-main{padding:18px 16px 40px}.pc-user{display:none}}.pc-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:20px 22px;display:grid;gap:14px;align-content:start;box-shadow:0 1px 2px color-mix(in srgb,var(--ink) 6%,transparent)}.pc-card h2{font-size:1.3rem;font-weight:600}.pc-card-hd{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.pc-card-hd h2{font-size:1.4rem;font-weight:600}.face{width:52px;height:52px;border-radius:14px;display:inline-grid;place-items:center;font-size:1.9rem;background:var(--surface-2);border:1px solid var(--line)}.face.sm{width:34px;height:34px;font-size:1.2rem;border-radius:10px;vertical-align:middle}.kid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:18px}@media (max-width: 420px){.kid-cards{grid-template-columns:1fr}}.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.kpis.wide{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.kpi{background:var(--surface-2);border-radius:12px;padding:12px 14px;display:grid;gap:2px;align-content:start;min-width:0}.kpis.wide .kpi{background:var(--surface);border:1px solid var(--line)}.kpi span{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.kpi b{font-family:var(--f-display);font-size:1.7rem;font-variant-numeric:tabular-nums}.kpi small{color:var(--muted)}.meter{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:6px}.meter i{display:block;height:100%;background:var(--lv2);border-radius:99px}.meter i.full{background:var(--plus)}.feed{list-style:none;margin:0;padding:0;display:grid}.feed li{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:12px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line);font-size:.95rem}.feed li:last-child{border-bottom:0}.feed .feed-who{font-weight:700;white-space:nowrap}.feed time{color:var(--muted);font-size:.85rem;white-space:nowrap;font-variant-numeric:tabular-nums}@media (max-width: 560px){.feed li{grid-template-columns:1fr auto}.feed .feed-who{grid-column:1 / -1}}.status{font-size:.78rem;font-weight:700;border-radius:99px;padding:2px 10px;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}.status.sent{background:color-mix(in srgb,var(--good) 14%,var(--surface));color:var(--good)}.status.queued{background:color-mix(in srgb,var(--spark) 20%,var(--surface));color:var(--ink)}.status.err{background:var(--surface-2);color:var(--muted)}.pc-table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:22px}.pc-table{width:100%;border-collapse:collapse;min-width:560px}.pc-table th{text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface-2)}.pc-table td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}.pc-table tr:last-child td{border-bottom:0}.pc-table .right{text-align:right}.select{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 10px;font-weight:700}.empty{background:var(--surface);border:1px dashed var(--line);border-radius:16px;padding:28px;display:grid;gap:10px;justify-items:start}.danger-zone{border-top:1px solid var(--line);padding-top:14px;display:grid;gap:10px}.subj-group{display:grid;gap:8px}.subj-group h3{font-size:1rem;color:var(--muted)}.modrow.soon{opacity:.6}.toggle-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer;position:relative}.toggle-row:last-child{border-bottom:0}.toggle-row span:first-child{display:grid;gap:2px}.toggle-row small{color:var(--muted)}.toggle-row input{position:absolute;opacity:0;width:1px;height:1px}.switch{width:48px;height:28px;border-radius:99px;background:var(--line);position:relative;transition:background .15s}.switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--surface);box-shadow:0 1px 2px #00000040;transition:transform .15s}.toggle-row input:checked+.switch{background:var(--good)}.toggle-row input:checked+.switch:after{transform:translate(20px)}.toggle-row input:focus-visible+.switch{outline:3px solid var(--focus);outline-offset:2px}.voice-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.voice-card{border:2px solid var(--line);border-radius:14px;padding:10px;display:grid;gap:8px;justify-items:stretch;background:var(--surface)}.voice-card.on{border-color:var(--good);background:color-mix(in srgb,var(--good) 8%,var(--surface))}.voice-pick{border:0;background:none;display:grid;justify-items:center;gap:2px;padding:6px}.voice-pick .em{font-size:2.2rem;line-height:1}.voice-pick small{color:var(--good);font-weight:700;font-size:.75rem}.voice-card.on .voice-pick b:after{content:" ✓";color:var(--good)}.chart{position:relative;margin:0}.chart svg{width:100%;height:auto;display:block;overflow:visible}.chart .grid{stroke:var(--line);stroke-width:1}.chart .baseline{stroke:var(--muted);stroke-width:1}.chart .axis{fill:var(--muted);font-size:11px;font-family:var(--f-body)}.chart .bar-mark{fill:var(--lv4);transition:opacity .15s}.chart .bar-mark.hot{opacity:.8}.chart .limit{stroke:var(--plus);stroke-width:2;stroke-dasharray:6 5}.chart-tip{position:absolute;top:0;transform:translate(-50%);background:var(--ink);color:var(--board);border-radius:10px;padding:6px 10px;display:grid;font-size:.85rem;pointer-events:none;white-space:nowrap}.feed li{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px}.feed li .what{flex:1 1 240px;min-width:0}.voice-card{grid-template-rows:1fr auto;align-content:stretch}.kid-shell .mode-banner .wrap,.pc-shell .mode-banner .wrap{max-width:none;padding-inline:20px}.practice-top{display:grid;gap:6px}.q-card{background:var(--c-tint, var(--surface-2));border-radius:28px;padding:clamp(14px,3vw,22px);display:grid;gap:16px;justify-items:center;text-align:center}.q-prompt{font-family:var(--f-display);font-size:clamp(1.3rem,3.4vw,1.7rem);font-weight:600;line-height:1.3;max-width:36ch;position:relative;padding-right:44px;text-wrap:balance}.q-prompt.big{font-size:clamp(2rem,7vw,3.2rem);letter-spacing:.04em}.q-prompt .hear{position:absolute;right:0;top:50%;transform:translateY(-50%)}.choices.letters .choice{font-size:2rem;min-width:88px;padding:10px 18px}.choice.right,.choice.right:disabled{border-color:var(--good);background:color-mix(in srgb,var(--good) 18%,var(--surface));box-shadow:0 5px 0 var(--good);opacity:1}.choice:disabled{opacity:.6}.numpad{display:grid;gap:10px;justify-items:center;width:min(320px,100%)}.num-display{width:100%;text-align:center;font-family:var(--f-display);font-size:2.4rem;font-weight:700;border:3px solid var(--c, var(--brand));border-radius:20px;padding:6px 10px;background:var(--surface);color:var(--ink);font-variant-numeric:tabular-nums}.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}.key{border:0;background:var(--surface);border-radius:18px;padding:12px 0;min-height:60px;font-family:var(--f-display);font-size:1.6rem;font-weight:700;box-shadow:0 4px 0 var(--c-edge, var(--press))}.numpad .key{display:grid;place-items:center;grid-template-columns:none;color:var(--ink)}.key:active:not(:disabled){transform:translateY(4px);box-shadow:none;background:color-mix(in srgb,var(--spark) 30%,var(--surface))}.order{display:grid;gap:14px;width:100%}.order-answer{min-height:72px;border:3px dashed var(--c-edge, var(--line));border-radius:22px;padding:8px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;background:var(--surface)}.order-answer.tight{gap:4px}.order-pool{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.tile-btn{border:0;background:var(--surface);border-radius:16px;padding:10px 18px;min-height:56px;font-family:var(--f-display);font-size:1.45rem;font-weight:600;box-shadow:0 4px 0 var(--c-edge, var(--press))}.tile-btn:disabled{opacity:.25;box-shadow:none}.tile-btn.in{background:var(--spark);box-shadow:0 4px 0 var(--spark-dark)}.tile-btn.in:disabled{opacity:1}.stars-row{display:flex;gap:8px;justify-content:center;align-items:flex-end;color:var(--line)}.stars-row .on{color:var(--spark);filter:drop-shadow(0 4px 0 var(--spark-dark))}.learn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:10px}.learn-tile{border:3px solid transparent;background:var(--surface);border-radius:20px;box-shadow:0 4px 0 var(--c-edge, var(--press));padding:10px 4px;display:grid;justify-items:center;gap:2px}.learn-tile b{font-family:var(--f-display);font-size:1.7rem}.learn-tile span{font-size:1.5rem}.learn-tile.seen{border-color:var(--good)}.learn-tile.open{border-color:var(--spark);box-shadow:0 0 0 4px color-mix(in srgb,var(--spark) 30%,transparent)}.learn-big{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:center;background:color-mix(in srgb,var(--lv3) 12%,var(--surface));border-radius:22px;padding:16px}.lb-letter{font-family:var(--f-display);font-size:5rem;font-weight:700;line-height:1}.lb-letter small{font-size:3.4rem;margin-left:8px;color:var(--muted)}.lb-emoji{font-size:4.4rem;line-height:1}.lb-word{font-family:var(--f-display);font-size:2rem}.lb-word b{color:var(--plus)}.v-count{display:grid;grid-template-columns:repeat(5,auto);gap:6px 10px;justify-content:center;font-size:clamp(1.7rem,6vw,2.3rem);line-height:1.1}.v-count span.x{opacity:.35;position:relative}.v-count span.x:after{content:"";position:absolute;left:-2px;right:-2px;top:50%;height:4px;background:var(--plus);transform:rotate(-35deg);border-radius:2px}.v-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:center}.v-op{font-family:var(--f-display);font-size:2.4rem}.v-groups{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.v-groups .grp{border:3px solid var(--lv0);border-radius:50%;padding:12px;background:var(--surface)}.v-groups .v-count{grid-template-columns:repeat(3,auto);font-size:1.5rem}.v-plates{display:flex;flex-wrap:wrap;gap:6px;font-size:2rem;max-width:220px;justify-content:center}.v-blocks{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;justify-content:center}.v-blocks i{display:block;width:9px;height:9px;background:var(--lv4);border:1px solid color-mix(in srgb,var(--ink) 40%,var(--lv4))}.v-blocks .hund{display:grid;grid-template-columns:repeat(10,9px);background:var(--ink);padding:1px;gap:0}.v-blocks .ten{display:grid;grid-template-rows:repeat(10,9px);background:var(--ink);padding:1px}.v-blocks .ten i{background:var(--lv2)}.v-blocks .ones{display:grid;grid-template-columns:repeat(5,12px);gap:3px;align-self:flex-end}.v-blocks .ones i{width:12px;height:12px;background:var(--spark)}.v-frac{width:170px;height:auto}.v-frac path{fill:var(--surface);stroke:var(--ink);stroke-width:2.5}.v-frac path.on{fill:var(--lv3)}.v-rect{width:min(420px,100%);height:auto}.v-rect .shape{fill:color-mix(in srgb,var(--lv2) 18%,var(--surface));stroke:var(--ink);stroke-width:3}.v-rect .grid{stroke:color-mix(in srgb,var(--lv2) 45%,var(--surface));stroke-width:1}.v-rect text{fill:var(--ink);font-family:var(--f-display);font-weight:700;font-size:16px}.v-column{font-family:ui-monospace,Menlo,monospace;font-size:2.2rem;font-weight:700;text-align:right;line-height:1.2;background:var(--surface);padding:8px 20px;border-radius:14px;white-space:pre}.v-column .line{border-top:4px solid var(--ink);margin-top:6px;height:0}@media (max-width: 600px){.mod-head .em{font-size:2rem}.mod-head h1{font-size:1.5rem}.mod-guide{width:60px;height:60px;margin-block:-4px}.mod-head{padding:8px 14px;gap:10px}.mod-head p{display:none}.bit-face{width:60px;height:auto}.bubble{font-size:1rem;padding:10px 12px}.journey>.row{gap:8px}.q-card{padding:12px;gap:12px}.numpad .key{padding:9px 0}.v-count{font-size:1.6rem}}:root{--f1: #FFC9B0;--f2: #A8E6D8;--f3: #D4C4FA;--f4: #BFCBFF;--f0: #E1E6EF;--key-ink: #0E1630 }.fc-f0{--fc: var(--f0) }.fc-f1{--fc: var(--f1) }.fc-f2{--fc: var(--f2) }.fc-f3{--fc: var(--f3) }.fc-f4{--fc: var(--f4) }.small-note{font-size:.9rem;margin-top:6px}.type-tips{list-style:none;margin:0;padding:0;display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.type-tips li{display:flex;gap:10px;align-items:center;background:var(--surface-2);border-radius:12px;padding:10px 12px;font-weight:700}.type-tips span{font-size:1.4rem}.pro-intro{color:var(--ink)}.type-note{background:color-mix(in srgb,var(--spark) 18%,var(--surface));border:1px solid color-mix(in srgb,var(--spark) 50%,var(--line));border-radius:12px;padding:10px 12px;font-weight:700}.type-screen{gap:16px}.type-stats{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center;font-size:.95rem;color:var(--muted)}.type-stats b{font-family:var(--f-display);font-size:1.5rem;color:var(--ink);font-variant-numeric:tabular-nums}.type-screen.kids .type-progress{flex-basis:100%}.type-progress{flex:1;min-width:140px;height:10px;border-radius:99px;background:var(--surface-2);overflow:hidden}.type-progress i{display:block;height:100%;background:var(--good);border-radius:99px;transition:width .15s}.type-text{font:600 1.5rem/1.9 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--surface);border:0;box-shadow:0 5px 0 var(--type-edge);border-radius:24px;padding:14px 18px;color:var(--muted);-webkit-user-select:none;user-select:none;overflow-wrap:anywhere}.type-text.big{font:600 2.4rem/2 var(--f-display);letter-spacing:.05em}.type-text .tw{white-space:nowrap}.type-text .tc{border-radius:10px;padding:0 2px}.type-text .tc.ok{color:var(--good)}.type-text .tc.fixed{color:var(--good);text-decoration:underline wavy var(--bad) 2px;text-underline-offset:6px}.type-text .tc.cur{color:var(--key-ink);background:var(--spark);box-shadow:0 4px 0 var(--key-ink);padding:0 5px}.type-text.big .tc.ok{background:color-mix(in srgb,var(--good) 14%,transparent)}.type-text .tc.cur.err{background:color-mix(in srgb,var(--bad) 35%,transparent);box-shadow:inset 0 -4px 0 var(--bad);animation:type-shake .18s}@keyframes type-shake{25%{transform:translate(-2px)}75%{transform:translate(2px)}}.kb{display:grid;gap:7px;max-width:780px;width:100%;margin:0 auto;-webkit-user-select:none;user-select:none}.kb-row{display:flex;gap:7px}.kb-key{flex:1 1 0;min-width:0;height:clamp(32px,6.6vw,52px);display:grid;place-items:center;border-radius:clamp(8px,1.6vw,14px);font:600 clamp(.75rem,2vw,1.15rem)/1 var(--f-display);border:3px solid transparent;margin-bottom:4px;position:relative;padding:0;overflow:hidden;white-space:nowrap}.kb-key.taught{background:var(--fc);color:var(--key-ink);box-shadow:0 4px color-mix(in srgb,var(--fc) 70%,var(--ink))}.kb-key.dim{background:var(--surface-2);color:var(--muted);opacity:.6}.kb-key.bump:after{content:"";position:absolute;bottom:5px;left:50%;width:12px;height:3px;margin-left:-6px;border-radius:2px;background:currentColor;opacity:.55}.kb-key.next{background:var(--spark);color:var(--key-ink);opacity:1;border-color:var(--key-ink);box-shadow:0 4px 0 var(--key-ink),0 0 0 5px var(--glow);transform:translateY(-2px);transition:transform .08s}.kb-key.wrong{background:var(--bad);color:#fff;border-color:var(--bad);opacity:1}button.kb-key{cursor:pointer}.kb-key .kb-up{position:absolute;top:2px;left:5px;font-size:.62em;opacity:.75}.kb-key.armed{box-shadow:inset 0 0 0 3px var(--ink)}.hands{margin:0 auto;max-width:420px;width:100%;text-align:center;display:grid;gap:4px}.hands svg{width:100%;height:auto}.hand-palm{fill:var(--surface-2);stroke:var(--line);stroke-width:3}.hand-f{fill:color-mix(in srgb,var(--fc) 45%,var(--surface));stroke:var(--line);stroke-width:2}.hand-f.on{fill:var(--fc);stroke:var(--ink);stroke-width:4;filter:drop-shadow(0 0 6px var(--glow))}.hands figcaption{font-size:1rem;color:var(--muted)}.hands figcaption b{color:var(--ink)}.type-screen.pro .type-text{font-size:1.35rem}.type-screen.pro .hands{max-width:320px}.type-results .kpi b{font-family:var(--f-display);font-size:1.8rem}.type-kpis{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.type-why{font-weight:700;color:var(--ink);background:var(--surface-2);border-radius:12px;padding:10px 12px}.kbd{display:inline-block;min-width:1.8em;text-align:center;font:700 .95rem/1.6 ui-monospace,Menlo,Consolas,monospace;background:var(--surface);border:1px solid var(--line);border-bottom-width:3px;border-radius:6px;padding:0 6px;margin:0 3px;color:var(--ink)}@media (max-width: 560px){.type-text{font-size:1.2rem;padding:10px 12px}.type-text.big{font-size:1.5rem}.kb,.kb-row{gap:3px}.kb-key{border-radius:5px;border-width:1px}}.type-play{display:grid;grid-template-columns:84px minmax(0,1fr);gap:14px;align-items:stretch}.ladder{position:relative;width:84px;min-height:240px;background:var(--surface);border-radius:26px;box-shadow:0 5px 0 var(--type-edge);padding:8px 4px}.ladder svg{width:100%;height:100%;display:block}.ladder-rail{fill:#c77b12}.ladder-rung{fill:var(--surface-2);transition:fill .2s}.ladder-rung.done{fill:#e39a2d}.ladder-star{position:absolute;top:-14px;left:0;right:0;display:flex;justify-content:center}.ladder-star.won{animation:hop .6s ease-in-out 3}.ladder-keyo{position:absolute;left:50%;margin-left:-22px;transition:bottom .35s cubic-bezier(.3,1.4,.5,1)}.ladder-keyo.wobble{animation:ladder-wobble .3s}@keyframes ladder-wobble{25%{transform:rotate(-10deg)}75%{transform:rotate(10deg)}}.streak{font-family:var(--f-display);font-weight:700;border-radius:99px;padding:2px 12px;background:color-mix(in srgb,var(--plus) 16%,var(--surface));color:var(--plus);white-space:nowrap;transition:font-size .2s}.streak.off{display:none}.streak.sm{font-size:1rem}.streak.md{font-size:1.2rem}.streak.lg{font-size:1.4rem}.streak.xl{font-size:1.6rem;box-shadow:0 0 0 4px var(--glow)}.type-stats.pro{gap:8px 22px}.speedo{margin:0;width:132px;display:grid;justify-items:center}.speedo svg{width:100%}.speedo-track,.speedo-fill{fill:none;stroke-width:9;stroke-linecap:round}.speedo-track{stroke:var(--surface-2)}.speedo-fill{stroke:var(--wire)}.speedo-best{stroke:var(--spark);stroke-width:4}.speedo-goal{stroke:var(--muted);stroke-width:2;stroke-dasharray:3 2}.speedo-needle{stroke:var(--ink);stroke-width:3;stroke-linecap:round;transition:all .25s}.speedo-hub{fill:var(--ink)}.speedo figcaption{margin-top:-6px;font-size:.9rem;color:var(--muted)}.speedo figcaption b{font-size:1.3rem}.type-record{font-weight:700;font-size:1.15rem;background:color-mix(in srgb,var(--spark) 25%,var(--surface));border-radius:12px;padding:10px 14px}.type-results{position:relative}.burst{position:absolute;left:50%;top:40px;width:0;height:0;pointer-events:none;z-index:2}.burst i{position:absolute;width:9px;height:14px;border-radius:2px;background:var(--c);animation:burst 1.1s ease-out forwards;transform:rotate(var(--a)) translateY(0)}@keyframes burst{to{transform:rotate(var(--a)) translateY(calc(-1 * var(--d) * 2.4)) rotate(200deg);opacity:0}}@media (prefers-reduced-motion: reduce){.burst{display:none}}.type-sections{margin-top:-6px}.timed-top{display:flex;gap:14px;align-items:center;flex-wrap:wrap;width:100%;justify-content:flex-start}.timed-visual{flex:1 1 300px;min-width:220px}.center{text-align:center}.ring{position:relative;width:64px;height:64px;display:grid;place-items:center;flex:none}.ring svg{position:absolute;top:0;right:0;bottom:0;left:0}.ring-bg{fill:none;stroke:var(--surface-2);stroke-width:7}.ring-fg{fill:none;stroke:var(--good);stroke-width:7;stroke-linecap:round;transition:stroke-dashoffset .1s linear}.ring.low .ring-fg{stroke:var(--bad)}.ring b{font-family:var(--f-display);font-size:1.3rem;font-variant-numeric:tabular-nums}.ring.low b{color:var(--bad)}.track{display:grid;gap:6px}.lane{display:grid;grid-template-columns:74px minmax(0,1fr) 24px;gap:8px;align-items:center}.lane-name{font-size:.8rem;font-weight:700;color:var(--muted);text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lane-road{position:relative;height:38px;border-radius:10px;background:repeating-linear-gradient(90deg,var(--surface-2) 0 18px,color-mix(in srgb,var(--line) 60%,var(--surface-2)) 18px 22px);border:2px solid var(--line)}.lane.ghost .car{opacity:.55;filter:grayscale(.4)}.car{position:absolute;top:2px;font-size:26px;line-height:30px;width:34px;text-align:center;transform:scaleX(-1);transition:left .12s linear}.lane.me .lane-road{border-color:var(--wire)}.flag{font-size:1.2rem}.speed-ladder{list-style:none;margin:0;padding:0 0 0 18px;display:grid;gap:6px;border-left:6px solid color-mix(in srgb,var(--lv3) 50%,var(--surface))}.speed-ladder button{width:100%;display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:10px;text-align:left;background:var(--surface);border:2px solid var(--line);border-radius:12px;padding:8px 14px;font-weight:700}.speed-ladder .rung-w{font-family:var(--f-display);font-size:1.5rem}.speed-ladder .rung-u{color:var(--muted);font-size:.9rem}.speed-ladder li.done button{border-color:var(--good);background:color-mix(in srgb,var(--good) 10%,var(--surface))}.speed-ladder li.next button{border-color:var(--spark);box-shadow:0 0 0 4px color-mix(in srgb,var(--spark) 30%,transparent)}.speed-ladder button:disabled{opacity:.5;cursor:default}.game-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.game-card{display:grid;gap:6px;justify-items:start;text-align:left;background:var(--surface);border:3px solid var(--line);border-radius:18px;padding:16px;transition:transform .1s,border-color .1s}.game-card:hover{transform:translateY(-2px);border-color:var(--spark)}.game-card b{font-family:var(--f-display);font-size:1.3rem}.game-card small{color:var(--muted)}.game-em{font-size:2.4rem}.game-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:4px}.game-rec{font-size:.85rem;font-weight:700;color:var(--wire)}.clock-score{display:flex;align-items:baseline;gap:8px;flex:1;min-width:160px}.clock-score b{font-family:var(--f-display);font-size:2.2rem;font-variant-numeric:tabular-nums}.clock-score span{color:var(--muted);font-weight:700}.combo{font-family:var(--f-display);border-radius:10px;padding:2px 10px;background:var(--surface-2)}.combo.x2{background:color-mix(in srgb,var(--lv2) 25%,var(--surface));color:var(--ink)}.combo.x3{background:color-mix(in srgb,var(--spark) 40%,var(--surface));color:var(--ink)}.combo.x4{background:var(--plus);color:#fff;box-shadow:0 0 0 4px var(--glow)}.lives{letter-spacing:2px}.rocket-row{display:flex;align-items:center;gap:12px}.rocket-count{font-family:var(--f-display);font-size:1.4rem}.rocket-scene{width:110px;flex:none}.rocket-scene svg{width:100%;overflow:visible}.tank{fill:var(--surface-2);stroke:var(--line);stroke-width:2}.tank-fuel{fill:var(--good);transition:y .2s,height .2s}.rk-hull{fill:var(--surface);stroke:var(--ink);stroke-width:3}.rk-window{fill:var(--lv4);stroke:var(--ink);stroke-width:3}.rk-fin{fill:var(--plus);stroke:var(--ink);stroke-width:2}.rk-flame{fill:var(--spark)}.pad{fill:var(--muted)}.rocket-scene.launch .rocket-body{animation:launch 1.6s ease-in forwards}@keyframes launch{20%{transform:translateY(4px)}to{transform:translateY(-260px)}}.sky{position:relative;width:100%;height:330px;border-radius:16px;overflow:hidden;border:2px solid var(--line);background:linear-gradient(var(--surface-2),color-mix(in srgb,var(--lv4) 18%,var(--surface)))}.balloon{position:absolute;width:58px;height:70px;margin-left:-29px;border-radius:50% 50% 46% 46%;background:color-mix(in srgb,var(--c) 80%,var(--surface));border:2px solid color-mix(in srgb,var(--c) 70%,var(--ink));display:grid;place-items:center;transition:transform .25s,opacity .25s}.balloon:after{content:"";position:absolute;top:100%;left:50%;width:2px;height:26px;background:var(--muted)}.balloon-l{font:700 1.7rem/1 ui-monospace,Menlo,Consolas,monospace;color:var(--key-ink)}.balloon.popped{transform:scale(1.6);opacity:0}@media (max-width: 560px){.type-play{grid-template-columns:52px minmax(0,1fr);gap:8px}.ladder{width:52px}.ladder-keyo{margin-left:-16px;transform:scale(.75)}.lane{grid-template-columns:54px minmax(0,1fr) 20px}.sky{height:280px}.balloon{width:46px;height:56px;margin-left:-23px}}.trend{position:relative;margin:0}.trend svg{width:100%;height:auto;display:block;touch-action:pan-y}.trend-title{font-weight:700;margin-bottom:4px}.trend-line{fill:none;stroke:var(--lv4);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.trend-area{fill:var(--lv4);opacity:.1}.trend-dot{fill:var(--lv4);stroke:var(--surface);stroke-width:2}.trend-end{font-size:13px;font-weight:700;fill:var(--ink)}.crosshair{stroke:var(--muted);stroke-width:1}.heat{margin:0;display:grid;gap:8px}.heat-key{cursor:default;border:0;color:var(--key-ink);font-size:clamp(.65rem,1.7vw,.9rem)}.heat-key.none{background:var(--surface-2);color:var(--muted)}.heat-key.h0,.heat-scale .h0{background:color-mix(in srgb,var(--plus) 8%,var(--surface))}.heat-key.h1,.heat-scale .h1{background:color-mix(in srgb,var(--plus) 25%,var(--surface))}.heat-key.h2,.heat-scale .h2{background:color-mix(in srgb,var(--plus) 45%,var(--surface))}.heat-key.h3,.heat-scale .h3{background:color-mix(in srgb,var(--plus) 68%,var(--surface));color:#fff}.heat-key.h4,.heat-scale .h4{background:var(--plus);color:#fff}.heat-key:hover,.heat-key:focus-visible{outline:2px solid var(--ink);outline-offset:1px}.heat-legend{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 14px;font-size:.9rem;color:var(--muted)}.heat-scale{display:inline-flex;align-items:center;gap:3px;white-space:nowrap}.heat-scale i{width:16px;height:12px;border-radius:3px;display:inline-block}.trend-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.smart-card{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;background:color-mix(in srgb,var(--spark) 14%,var(--surface));border:2px solid color-mix(in srgb,var(--spark) 45%,var(--line));border-radius:16px;padding:14px 16px}.board{list-style:none;margin:0;padding:0;display:grid;gap:6px}.board li{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:4px 10px;align-items:center;background:var(--surface-2);border-radius:12px;padding:8px 12px}.board li.me{outline:2px solid var(--spark)}.board-n{font-size:1.3rem;text-align:center}.board-v b{font-family:var(--f-display);font-size:1.3rem}.board-x{grid-column:2 / -1;font-size:.85rem}.cert-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}.cert-portal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:var(--scrim);overflow:auto;padding:20px 16px;display:grid;justify-items:center;align-content:start;gap:12px}.cert-actions{display:flex;gap:10px;flex-wrap:wrap}.cert{width:min(900px,100%);aspect-ratio:1.414;background:#fffdf6;color:#16233f;border-radius:6px;padding:clamp(10px,2.5vw,22px);box-shadow:0 10px 40px #0000004d}.cert-border{height:100%;border:6px double #C9A227;border-radius:4px;display:grid;align-content:center;justify-items:center;text-align:center;gap:clamp(2px,1vw,10px);padding:clamp(8px,3vw,30px)}.cert h1{font-size:clamp(1.3rem,4.5vw,2.8rem);color:#16233f;letter-spacing:.02em}.cert-brand{font-family:var(--f-display);font-weight:700;color:#b8860b;letter-spacing:.1em;text-transform:uppercase;font-size:clamp(.7rem,1.6vw,1rem)}.cert-line{color:#56647f;font-size:clamp(.75rem,1.8vw,1.1rem)}.cert-name{font-family:var(--f-display);font-size:clamp(1.4rem,5vw,3rem);font-weight:700;border-bottom:2px solid #C9A227;padding:0 24px 2px}.cert-score{font-size:clamp(.9rem,2.4vw,1.5rem)}.cert-score b{font-family:var(--f-display);font-size:1.5em;color:#2f7d6d}.cert-score span{color:#56647f}.cert-foot{width:100%;display:flex;justify-content:space-between;align-items:end;margin-top:clamp(4px,2vw,18px);gap:10px}.cert-sign{display:flex;align-items:center;gap:8px;text-align:left;font-weight:700;font-size:clamp(.7rem,1.6vw,1rem)}.cert-sign svg{--ink: #16233F;--surface: #fff;--lv1: #FFB800;--plus: #E0412F;--spark: #FFB800 }.cert-code{text-align:right;font-size:clamp(.65rem,1.4vw,.85rem);color:#56647f}@media print{@page{size:A4 landscape;margin:0}body.printing-cert{background:#fff!important}body.printing-cert>*:not(.cert-portal){display:none!important}body.printing-cert .cert-portal{position:static;background:none;padding:0}body.printing-cert .no-print{display:none!important}body.printing-cert .cert{width:100%;box-shadow:none;border-radius:0}}.tasks-card{background:color-mix(in srgb,var(--lv4) 10%,var(--surface));border:2px solid color-mix(in srgb,var(--lv4) 40%,var(--line));border-radius:16px;padding:14px 16px;display:grid;gap:8px}.tasks-card ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.tasks-card li{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--surface);border-radius:12px;padding:8px 12px}.join-code{font-weight:700;color:var(--muted)}.join-code b{font:700 1.4rem/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.15em;color:var(--ink);background:var(--surface-2);border-radius:8px;padding:4px 10px;margin-left:6px}.code-input{width:9em;font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.12em;text-transform:uppercase}.assign-form{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:end}.assign-form .field{display:grid;gap:4px;margin:0}.assign-form .field label{font-size:.85rem;font-weight:700;color:var(--muted)}.assign-form input[type=number],.assign-form input[type=date]{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 10px}.assign-preview{flex-basis:100%;font-size:.9rem}.class-table td,.class-table th{white-space:nowrap}.class-tabs{margin-bottom:4px}.check-row{display:flex;gap:10px;align-items:flex-start}.check-row input{width:20px;height:20px;margin-top:3px;flex:none}.kid .tag{display:block;margin:4px auto 0;width:max-content}.trend .chart-tip{top:30px}.mode-chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-display);font-weight:700;border-radius:99px;padding:6px 16px;font-size:1rem}.mode-chip.kids{background:color-mix(in srgb,var(--spark) 30%,var(--surface));color:var(--ink);border:2px solid var(--spark)}.linklike{border:0;background:none;padding:0;font-weight:700;color:var(--ink);text-decoration:underline;cursor:pointer}.kid.grown .face{background:color-mix(in srgb,var(--lv4) 12%,var(--surface))}.kids-mode-card{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;background:color-mix(in srgb,var(--spark) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--spark) 45%,var(--line));border-radius:16px;padding:14px 18px}.pc-nav-group{display:grid;gap:2px;margin-bottom:10px}.pc-nav-h{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:6px 12px 2px}@media (max-width: 900px){.pc-nav-group{display:contents}.pc-nav-h{display:none}}@media (max-width: 520px){.hide-sm{display:none}}.pc-card{min-width:0}.error-text{color:var(--bad);font-weight:700}.lvl-switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:700;white-space:nowrap}.lvl-switch input{position:absolute;opacity:0;width:1px;height:1px}.lvl-track{width:40px;height:24px;border-radius:99px;background:var(--line);position:relative;flex:none;transition:background .15s}.lvl-track i{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--surface);box-shadow:0 1px 2px #0000004d;transition:left .15s}.lvl-switch input:checked+.lvl-track{background:var(--good)}.lvl-switch input:checked+.lvl-track i{left:19px}.lvl-switch input:focus-visible+.lvl-track{outline:3px solid var(--wire);outline-offset:2px}.concept{gap:18px}.concept-steps{list-style:none;margin:0;padding:6px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;background:var(--surface);border-radius:22px;box-shadow:0 4px 0 var(--press)}.concept-steps button{width:100%;border:0;background:none;padding:0;display:grid;gap:4px;font-family:var(--f-display);font-weight:600;font-size:.9rem;color:var(--muted)}.concept-steps .seg{height:16px;border-radius:99px;background:var(--surface-2)}.concept-steps li.done .seg{background:var(--c, var(--brand))}.concept-steps li.on .seg{background:var(--spark)}.concept-steps li.on .lbl{color:var(--ink);font-weight:700}.concept-steps li.done .lbl{color:var(--ink)}.concept-steps button:disabled{cursor:default}.concept-steps button:not(:disabled):hover .seg{filter:brightness(.95)}@media (max-width: 480px){.concept-steps .lbl{font-size:.72rem}}.check-why{position:static;animation:fb-in .25s ease-out}.check-why .right-order{margin:6px 0}.hook-choices{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.strong-lead{color:var(--ink)}.like-box{background:color-mix(in srgb,var(--lv2) 12%,var(--surface));border-left:5px solid var(--lv2);border-radius:12px;padding:12px 16px}.like-box p{margin-top:4px;font-size:1.05rem}.check-opts{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.check-opt{border:3px solid transparent;background:var(--surface);border-radius:22px;padding:14px 16px;min-height:60px;font-weight:800;font-size:1.15rem;text-align:left;box-shadow:0 5px 0 var(--c-edge, var(--press));transition:transform .08s,box-shadow .08s}.check-opt:hover:not(:disabled){border-color:var(--c, var(--brand))}.check-opt:active:not(:disabled){transform:translateY(4px);box-shadow:0 1px 0 var(--c-edge, var(--press))}.check-opt.right{border-color:var(--good);background:color-mix(in srgb,var(--good) 16%,var(--surface));box-shadow:0 5px 0 var(--good)}.check-opt.wrong{border-color:#f07c2e;background:#ffe9c7;box-shadow:0 5px #f5c77e}.check-opt.faded{opacity:.55}.check-opt:disabled{cursor:default;color:var(--ink)}.recap-box{background:color-mix(in srgb,var(--spark) 14%,var(--surface));border-radius:16px;padding:14px 18px}.recap-box ul{margin:6px 0 0;padding-left:20px;display:grid;gap:4px;font-size:1.05rem}.recap-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.links-box{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:var(--surface-2);border-radius:12px;padding:10px 14px}.link-chip{text-decoration:none;font-weight:700;border:2px solid var(--lv4);border-radius:99px;padding:4px 12px;background:var(--surface)}.link-chip small{font-weight:400;color:var(--muted)}.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:6px;justify-content:center}.flow-step{display:flex;align-items:center;gap:6px}.flow-arrow{font-size:1.4rem;color:var(--line);transition:color .3s}.flow-arrow.lit{color:var(--good)}.flow-node{position:relative;display:grid;justify-items:center;gap:2px;min-width:110px;padding:12px 10px;border:3px solid var(--line);border-radius:16px;background:var(--surface);text-align:center;transition:border-color .3s,transform .3s}.flow-node.on{border-color:var(--spark);transform:translateY(-4px);box-shadow:0 0 0 4px var(--glow)}.flow-node.done{border-color:var(--good)}.flow-e{font-size:2rem}.flow-node small{color:var(--muted);font-size:.8rem;max-width:120px}.flow-token{position:absolute;top:-14px;right:-10px;background:var(--ink);color:var(--board);border-radius:99px;padding:2px 8px;font-weight:700;animation:pop .3s}@keyframes pop{0%{transform:scale(.4)}}.inside-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.inside-item{display:grid;justify-items:center;gap:2px;border:3px solid var(--line);border-radius:16px;padding:10px;background:var(--surface);text-align:center;transition:border-color .3s}.inside-item.yes{border-color:var(--good)}.inside-e{font-size:2rem}.inside-tag{font-size:.8rem;color:var(--muted);font-weight:700}.inside-item.yes .inside-tag{color:var(--good)}.steps-anim{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.prog{flex:1 1 260px;background:var(--ink);color:var(--board);border-radius:14px;padding:12px 16px;font-family:ui-monospace,Menlo,Consolas,monospace}.prog-title{font-size:.85rem;opacity:.75;margin-bottom:6px}.prog ol{margin:0;padding-left:22px;display:grid;gap:4px}.prog li{opacity:.55;transition:opacity .3s}.prog li.on{opacity:1;color:var(--spark);font-weight:700}.prog li.done{opacity:.9}.prog-result{display:grid;justify-items:center;gap:4px;min-width:120px;font-size:2.6rem}.prog-result small{font-size:.8rem;color:var(--muted)}.power-anim{display:grid;gap:10px}.power-sw{justify-self:start;font-weight:700;border-radius:99px;padding:4px 14px;background:var(--surface-2)}.power-sw.on{background:color-mix(in srgb,var(--spark) 35%,var(--surface))}.power-boxes{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.pbox{border:3px solid var(--line);border-radius:16px;padding:12px;background:var(--surface);display:grid;gap:6px;align-content:start;transition:opacity .3s}.pbox.off{opacity:.6;border-style:dashed}.pbox small{color:var(--muted)}.pitems{display:flex;flex-wrap:wrap;gap:6px;min-height:36px;align-items:center}.pitems>span,.pitem{background:var(--surface-2);border-radius:10px;padding:4px 10px;font-weight:700;display:inline-flex;gap:6px;align-items:center}.layers{display:grid;gap:6px;max-width:520px}.layer{display:grid;grid-template-columns:64px 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;border:3px solid var(--line);border-radius:14px;padding:8px 12px;background:var(--surface);transition:border-color .3s,transform .3s}.layer span{grid-row:span 2;font-size:1.5rem;text-align:center}.layer small{color:var(--muted)}.layer.on{border-color:var(--spark);transform:translate(6px)}.pixels-anim{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.px-grid{display:grid;grid-template-columns:repeat(5,36px);gap:3px}.px-grid i,.px-grid button{width:36px;height:36px;border-radius:4px;background:var(--surface-2);border:1px solid var(--line);padding:0;transition:background .15s}.px-grid .dark{background:var(--ink)}.px-grid .light{background:var(--surface)}.px-grid.play button{cursor:pointer}.px-nums{display:grid;gap:3px}.px-nums code{font:700 1.1rem/36px ui-monospace,Menlo,Consolas,monospace;letter-spacing:.2em;color:var(--muted)}.px-nums code.on{color:var(--ink)}.sort-pool{display:flex;flex-wrap:wrap;gap:8px}.sort-item{display:inline-flex;gap:6px;align-items:center;border:2px solid var(--line);background:var(--surface);border-radius:12px;padding:8px 12px;font-weight:700}.sort-item span{font-size:1.3rem}.sort-item.sel{border-color:var(--spark);box-shadow:0 0 0 4px 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h1{font-size:clamp(2.6rem,6.4vw,4.8rem);font-weight:700;line-height:1;color:#1b2a6b}.lh-lead{font-size:clamp(1.1rem,2vw,1.3rem);font-weight:600;color:#2e3f75;max-width:34em}.lh-note{font-weight:700;color:#2e3f75;font-size:.95rem;max-width:40em}.lh-crew{position:relative;height:440px;background:var(--surface);border-radius:48px;box-shadow:0 10px 0 var(--press)}.lh-crew .crew{position:absolute}.lh-crew .c1{left:8%;top:16%}.lh-crew .c2{left:40%;top:18%}.lh-crew .c3{right:8%;top:36%}.lh-crew .c4{left:4%;bottom:6%}.lh-crew .c5{left:36%;bottom:10%}.lh-crew .c6{right:5%;bottom:6%}.lh-bubble{position:absolute;right:6%;top:-22px;background:var(--brand);color:var(--on-brand);border-radius:22px 22px 6px;padding:10px 18px;font-family:var(--f-display);font-weight:600;font-size:1.2rem;box-shadow:0 4px 0 var(--brand-dark)}@media (max-width: 560px){.lh-crew{height:320px}.lh-crew 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.crew{flex:none}.module h3{font-size:1.45rem;font-weight:700}.module:active{transform:translateY(5px);box-shadow:0 2px 0 var(--c-edge, var(--press))}.mod-foot{display:flex;align-items:center;gap:10px}.mod-count{font-family:var(--f-display);font-weight:600;display:inline-flex;gap:4px;align-items:center;color:var(--c-ink, var(--ink))}.mod-go{margin-left:auto;width:44px;height:44px;border-radius:50%;background:var(--c, var(--brand));color:#fff;display:grid;place-items:center;flex:none}.module .bar-track{background:var(--c-tint, var(--surface-2))}.module .bar-track i{background:var(--c, var(--brand))}.lesson-progress{display:grid;gap:6px}.lp-track{position:relative;height:22px;border-radius:99px;background:var(--surface);box-shadow:0 3px 0 var(--press);margin-right:22px}.lp-track i{display:block;height:100%;border-radius:99px;background:var(--c, var(--brand));transition:width .35s 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b{font-family:var(--f-display);font-size:1.5rem;font-weight:700;line-height:1.15}.fb-txt span{font-weight:800}@keyframes fb-in{0%{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}@media (max-width: 860px){.fb-bar{bottom:104px}}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .fb-bar.right{background:#12352a;color:#8be3b5;box-shadow:0 5px #0a2219}:root:not([data-theme=light]) .fb-bar.wrong{background:#3a2614;color:#ffc58a;box-shadow:0 5px #24170c}}:root[data-theme=dark] .fb-bar.right{background:#12352a;color:#8be3b5;box-shadow:0 5px #0a2219}:root[data-theme=dark] .fb-bar.wrong{background:#3a2614;color:#ffc58a;box-shadow:0 5px #24170c}.q-prompt .hear{background:var(--spark);border-color:var(--spark);color:var(--spark-ink);box-shadow:0 2px 0 var(--spark-dark)}.check-btn{min-width:180px}.trail-stars{display:inline-flex;gap:1px;color:var(--spark);flex:none;filter:drop-shadow(0 2px 0 var(--spark-dark))}.report-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.rh-txt{flex:1;min-width:200px;display:grid}.rh-txt h1{font-size:2.2rem;font-weight:600}.learner-tabs{display:flex;flex-wrap:wrap;gap:6px}.learner-tabs a{display:inline-flex;align-items:center;gap:8px;padding:4px 14px 4px 4px;border-radius:999px;background:var(--surface);border:1px solid var(--line);text-decoration:none;font-weight:800}.learner-tabs a.on{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-dark)}.report-nav{display:flex;gap:4px;flex-wrap:wrap;position:sticky;top:64px;z-index:5;background:var(--surface-2);padding:6px 0}.report-nav a{padding:7px 14px;border-radius:999px;font-weight:800;font-size:.92rem;text-decoration:none;color:var(--muted)}.report-nav a:hover{background:var(--surface);color:var(--ink)}.pc-card[id]{scroll-margin-top:120px}.subj-group h3{display:flex;align-items:center;gap:8px;color:var(--c-ink, 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