:root{--bg:#0c0d14;--surface:#151620;--surface-soft:#1b1d2a;--sidebar:#101119;--text:#f2f1fa;--muted:#a4a5ba;--line:#292b3c;--green:#b5a1ff;--green-hover:#c8baff;--lime:#b6f1d6;--hero:#211b3a;--purple:#252039;--peach:#35272b;--shadow:0 12px 35px #00000016;--field:#10121b;--accent-soft:#a58cff16;--mint:#9ae6c3;--coral:#f4b8a1;--heading:"Space Grotesk Variable","Inter Variable",sans-serif;color-scheme:dark}:root[data-theme=light]{--bg:#f5f5fc;--surface:#fff;--surface-soft:#f2f1fa;--sidebar:#eeedf7;--text:#242238;--muted:#69677f;--line:#dfdfea;--field:#f8f8fc;--green:#6a48d0;--green-hover:#5836ba;--accent-soft:#805fe911;--purple:#efebfc;--peach:#fcf0e8;--shadow:0 12px 32px #50427b08}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 Inter Variable,sans-serif;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(ellipse at 65% -20%,#7966d015,transparent 55%)}button,input,select,textarea{font:inherit}a,button{touch-action:manipulation}button{cursor:pointer;color:inherit;border:0;background:none}button:disabled{opacity:.5;cursor:not-allowed}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--heading);font-weight:600;letter-spacing:-.045em;line-height:1.3}svg{flex-shrink:0}::selection{background:#aa8df85c;color:var(--text)}input,select,textarea{border:1px solid var(--line);border-radius:10px;background:var(--field);color:var(--text)}input::placeholder,textarea::placeholder{color:var(--muted)}select{cursor:pointer}[tabindex]:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:4px}kbd{font:10px Inter Variable,sans-serif;color:var(--muted)}.skip-link{position:fixed;top:-80px;left:20px;background:var(--green);color:var(--bg);padding:12px 20px;z-index:100;border-radius:8px}.skip-link:focus{top:15px}.app-shell{display:flex;min-height:100vh}.sidebar{width:244px;padding:31px 19px 0;position:fixed;inset:0 auto 0 0;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:40}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-family:var(--heading);font-size:23px;font-weight:650;letter-spacing:-1.3px}.brand-light{font-weight:450}.brand-period{color:var(--green)}.brand-mark{position:relative;width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#c4b1ff,#8362dd);color:#1a122e;box-shadow:0 4px 20px #9b79ff26}.brand-mark i{position:absolute;width:3px;height:3px;background:#1a122e;border-radius:50%;left:16px;top:16px}.workspace-label{display:flex;align-items:center;gap:10px;margin:34px 2px 30px;padding:13px 10px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(110deg,var(--accent-soft),transparent)}.workspace-avatar{height:33px;width:33px;background:var(--surface-soft);border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--green)}.workspace-label strong{font-size:11px;font-weight:600;display:block}.workspace-label div>span{display:block;color:var(--muted);font-size:10px;margin-top:2px}.nav-label{margin:0 13px 12px;font-size:9px;font-weight:600;letter-spacing:1.8px;color:var(--muted)}.nav-item{width:100%;display:flex;align-items:center;gap:12px;font-size:12px;padding:12px 14px;min-height:46px;border:1px solid transparent;border-radius:10px;color:var(--muted);position:relative;transition:background .2s,color .2s,transform .2s}.nav-item svg{stroke-width:1.7}.nav-item:hover{background:var(--surface-soft);color:var(--text)}.nav-item.active{background:linear-gradient(100deg,#987bff22,#987bff09);border-color:#a28afb23;color:var(--green)}.nav-item.active:before{content:"";position:absolute;left:-20px;top:14px;bottom:14px;width:3px;background:var(--green);border-radius:0 4px 4px 0;box-shadow:0 0 14px #a17bf987}.nav-count{margin-left:auto;font-size:10px;color:var(--green);background:var(--accent-soft);padding:1px 6px;border-radius:5px}.nav-active-dot{width:5px;height:5px;border-radius:50%;background:var(--green);margin-left:auto}.explore-label{margin-top:30px}.soon-tag{font-size:7px;letter-spacing:1px;margin-left:auto;padding:3px 5px;background:var(--surface-soft);border:1px solid var(--line);border-radius:4px;color:var(--muted)}.sidebar-bottom{margin-top:auto;padding-top:32px}.grow-card{padding:20px 17px 18px;border-radius:15px;border:1px solid #a28afb26;background:radial-gradient(circle at 90% 0,#8462e92e,transparent 75%),var(--surface);position:relative;overflow:hidden;margin:0 3px 20px}.grow-card:after{content:"";position:absolute;width:70px;height:70px;border:1px solid #b59eff18;border-radius:50%;right:-15px;top:25px}.grow-symbol{display:block;color:var(--green);margin-bottom:13px}.grow-card h3{font-size:18px}.grow-card p{font-size:11px;line-height:1.8;color:var(--muted);margin-top:7px}.grow-card a{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:550;color:var(--green);margin-top:16px}.sidebar-bottom>.nav-item{font-size:10px;min-height:36px;padding:8px 12px;gap:9px}.sidebar-bottom>.nav-item svg{width:16px}.sidebar-user{display:flex;gap:10px;align-items:center;border-top:1px solid var(--line);margin-top:17px;padding:20px 4px 23px}.avatar{height:35px;width:35px;flex-shrink:0;border-radius:12px;background:linear-gradient(140deg,#c8b8ff,#a4e7d8);color:#29223e;display:grid;place-items:center;font-size:13px;font-weight:650}.sidebar-user strong{display:block;font-size:11px;font-weight:550}.sidebar-user div>a,.sidebar-user div>span{font-size:9px;color:var(--muted);display:flex;gap:5px;align-items:center;margin-top:3px}.sidebar-user .icon-button{margin-left:auto}.main-shell{margin-left:244px;width:calc(100% - 244px);min-width:0;display:flex;flex-direction:column}.topbar{height:82px;padding:0 40px;border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(16px)}.breadcrumb,.topbar{display:flex;align-items:center}.breadcrumb{gap:12px;font-size:11px}.breadcrumb-home,.breadcrumb>svg{color:var(--muted)}.breadcrumb>svg{opacity:.5}.breadcrumb strong{font-weight:500;text-transform:capitalize}.topbar-right{gap:23px}.global-search,.topbar-right{display:flex;align-items:center}.global-search{gap:10px;background:var(--surface);border:1px solid var(--line);padding:7px 10px 7px 13px;border-radius:9px;color:var(--muted)}.global-search input{background:none;border:0;padding:2px 0;width:175px;font-size:10px;outline:none}.global-search kbd{font-size:8px;padding:2px 5px;border:1px solid var(--line);border-radius:4px;white-space:nowrap}.topbar-divider{height:23px;width:1px;background:var(--line)}.top-avatar{width:33px;height:33px}.main-content{padding:35px 40px 25px;max-width:1510px;margin:0 auto;width:100%;flex:1}.main-footer{justify-content:space-between;padding:24px 40px;border-top:1px solid var(--line);font-size:10px;color:var(--muted);margin-top:auto;gap:15px}.main-footer,.main-footer>span{display:flex;align-items:center}.main-footer>span{gap:8px}.footer-dot{padding:0 3px}.button{display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:12px 18px;min-height:43px;border-radius:9px;font-size:12px;font-weight:600;line-height:1.3;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--green);color:#1a1230;border:1px solid transparent;box-shadow:0 5px 20px #9877ec16}.button.primary:hover{background:var(--green-hover);box-shadow:0 5px 28px #9877ec36}.button.outline{background:var(--surface);border:1px solid var(--line);color:var(--text)}.button.outline:hover{background:var(--surface-soft);border-color:var(--green)}.button.small{padding:10px 14px;font-size:10px;min-height:35px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:7px;color:var(--muted)}.icon-button:hover{background:var(--accent-soft);color:var(--green)}.text-link{font-size:11px;color:var(--green);display:inline-flex;align-items:center;gap:7px;font-weight:500}.text-link:hover{color:var(--text)}.eyebrow{display:block;color:var(--muted);font-size:9px;font-weight:600;letter-spacing:1.7px;text-transform:uppercase}.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.panel-heading{padding:25px 25px 20px;display:flex;align-items:center;justify-content:space-between;gap:15px}.panel-heading h2{font-size:22px;font-weight:550}.panel-heading .eyebrow{font-size:8px;margin-bottom:8px;letter-spacing:1.5px}.muted{color:var(--muted);font-size:12px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}.section-head h1{font-size:36px;margin-top:10px;font-weight:550;letter-spacing:-1.6px}.section-head p{font-size:13px;color:var(--muted);margin-top:10px;max-width:650px;line-height:1.8}.difficulty{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:500;white-space:nowrap}.difficulty i{width:4px;height:4px;border-radius:50%;background:currentColor}.difficulty.easy{color:#9de3c4}.difficulty.medium{color:#f1cf96}.difficulty.hard{color:#f3aaba}.streak-chip{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:9px;font-size:11px}.streak-chip>svg{color:var(--coral)}.streak-chip>span{color:var(--muted)}.studio-dashboard{animation:studio-enter .5s ease both}.studio-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:27px}.studio-heading .eyebrow{display:flex;gap:8px;align-items:center;font-size:8px;letter-spacing:1.9px}.live-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);box-shadow:0 0 9px #96eac750;flex-shrink:0}.studio-heading h1{font-size:30px;font-weight:550;letter-spacing:-1.2px;margin-top:9px}.studio-heading p{color:var(--muted);font-size:12px;margin-top:8px}.studio-date{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:10px 13px;font-size:10px;white-space:nowrap;color:var(--muted)}.studio-date svg{color:var(--green)}.studio-hero{position:relative;isolation:isolate;overflow:hidden;border:1px solid #a18ef144;border-radius:22px;min-height:357px;padding:34px 34px 30px;background:radial-gradient(ellipse at 95% 40%,#754dd458,transparent 50%),radial-gradient(ellipse at -10% 110%,#4a3e77a6,transparent 55%),#211b37;box-shadow:inset 0 1px 0 #e6d9ff0e,0 16px 50px #0000001a;color:#f7f4ff}.studio-hero:after{content:"";position:absolute;right:-180px;top:-260px;width:690px;height:690px;border:1px solid #be9eff12;border-radius:50%;box-shadow:0 0 0 80px #be9eff03,0 0 0 160px #be9eff03;z-index:-1}.hero-noise{position:absolute;inset:0;background-image:radial-gradient(#d7c4ff26 .6px,transparent 0);background-size:6px 6px;opacity:.12;pointer-events:none;z-index:-1}.studio-hero-copy{position:relative;z-index:3;max-width:61%}.hero-kicker{font-size:8px;display:inline-flex;gap:7px;align-items:center;letter-spacing:1.1px;color:#d7c6ff;border:1px solid #b597f738;border-radius:25px;padding:6px 10px;background:#9f79ef0b;font-weight:500}.studio-hero-copy h2{font-size:52px;line-height:1.12;letter-spacing:-2.6px;font-weight:550;margin-top:22px}.studio-hero-copy h2>span{background:linear-gradient(100deg,#c5a8ff 10%,#f3b7db 55%,#f2caad);-webkit-background-clip:text;background-clip:text;color:transparent}.studio-hero-copy p{font-size:12px;line-height:1.95;color:#c3b8d7;margin-top:18px}.studio-hero-actions{display:flex;align-items:center;gap:20px;margin-top:26px}.hero-cta.button.primary{background:#c2adff;color:#211735;box-shadow:0 6px 26px #a57cfb20;border:1px solid #d0bcff}.hero-cta.button.primary:hover{background:#d6c8ff;box-shadow:0 7px 30px #a57cfb4d}.hero-secondary{display:inline-flex;align-items:center;gap:7px;color:#e0d6f1;font-size:11px;font-weight:450}.hero-secondary:hover{color:#fff}.hero-trust{gap:11px;margin-top:25px;font-size:8px;color:#b9abcc;white-space:nowrap}.hero-trust,.hero-trust>span{display:flex;align-items:center}.hero-trust>span{gap:5px}.hero-trust>i{height:10px;width:1px;background:#a18daf38}.code-sculpture{position:absolute;right:8px;top:12px;width:41%;height:330px;pointer-events:none;perspective:900px}.sculpture-halo{position:absolute;left:11%;top:0;width:82%;height:90%;border-radius:50%;background:radial-gradient(circle,#a184e545,#8262d11f 43%,transparent 69%);filter:blur(13px)}.sculpture-grid{position:absolute;width:110%;height:55%;left:-2%;top:42%;transform:rotateX(65deg) rotate(-15deg);background-image:linear-gradient(#bba5fa18 1px,transparent 0),linear-gradient(90deg,#bba5fa18 1px,transparent 0);background-size:22px 22px;mask-image:radial-gradient(ellipse,#000,transparent 70%)}.sculpture-sphere{position:absolute;width:166px;height:166px;left:32%;top:25px;display:grid;place-items:center;border-radius:45px;transform:rotate(-15deg) rotateY(-18deg);color:#f1e9ff;background:radial-gradient(circle at 27% 20%,#e7dbff,#b08ce7 27%,#6946a6 68%,#402c67);box-shadow:inset 3px 4px 12px #f7f0ff70,inset -10px -13px 20px #37234d90,0 20px 42px #0e062c60;animation:sculpture-float 7s ease-in-out infinite}.sculpture-sphere svg{filter:drop-shadow(0 4px 4px #42265d50)}.sculpture-orbit{position:absolute;border:1px solid #b39adc46;width:280px;height:110px;border-radius:50%;left:10%;top:80px;transform:rotate(-28deg)}.orbit-back{opacity:.6;border-style:dashed;transform:rotate(32deg);top:90px}.floating-language{position:absolute;width:47px;height:48px;border-radius:12px;display:grid;place-items:center;font-family:var(--heading);font-weight:650;font-size:20px;box-shadow:0 10px 25px #09051e4d;z-index:2}.floating-language>span{position:absolute;top:52px;white-space:nowrap;font-family:Inter Variable,sans-serif;font-size:7px;font-weight:450;color:#c3addb}.language-js{background:linear-gradient(140deg,#ffe7aa,#d3ab62);color:#503b16;left:8%;top:89px;transform:rotate(-12deg)}.language-py{background:linear-gradient(140deg,#b7f0dd,#65ad9b);color:#1e4b45;right:8%;top:22px;transform:rotate(15deg)}.language-cpp{background:linear-gradient(140deg,#dbccff,#a18ad1);color:#453166;right:0;top:181px;transform:rotate(12deg);font-size:16px;width:42px;height:44px}.sculpture-code{position:absolute;top:161px;left:8%;width:280px;border:1px solid #c6b3f34d;border-radius:12px;background:linear-gradient(140deg,#312845ef,#181526f2);box-shadow:0 20px 35px #08031360;transform:rotate(-5deg);backdrop-filter:blur(12px);z-index:3;overflow:hidden;animation:code-float 8s ease-in-out infinite}.code-window-bar{height:31px;border-bottom:1px solid #a990d829;display:flex;align-items:center;gap:4px;padding:0 12px}.code-window-bar>span{width:5px;height:5px;border-radius:50%;background:#e699b4}.code-window-bar>span:nth-child(2){background:#e6c49c}.code-window-bar>span:nth-child(3){background:#99cdb4}.code-window-bar i{font-style:normal;font-size:7px;color:#b4a6cc;margin-left:8px}.code-window-bar>svg{color:#9c8bba;margin-left:auto}.sculpture-code pre{font:10px/1.9 Consolas,monospace;color:#e4deee;padding:16px 15px;margin:0}.syntax-purple{color:#c8a5ff}.syntax-mint{color:#9ae6c3}.syntax-yellow{color:#e5cda5}.code-caret{display:inline-block;width:5px;height:11px;background:#b9a3f4;vertical-align:middle;margin-left:4px;opacity:.7}.code-window-footer{font-size:7px;color:#b4a7c9;display:flex;gap:5px;align-items:center;padding:8px 12px;border-top:1px solid #a990d829}.code-window-footer>svg{margin-left:auto;color:#c0a5f2}.code-window-footer .live-dot{width:4px;height:4px}.sculpture-caption{position:absolute;right:2%;bottom:1px;display:flex;align-items:center;gap:7px;color:#d8c8ed;font-size:8px;z-index:4}.sculpture-caption>span{width:24px;height:24px;display:grid;place-items:center;background:#655085;border:1px solid #d4c1f638;border-radius:7px;color:#e4d0ff}.studio-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:21px}.metric-card{display:block;padding:20px 21px 21px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(130deg,var(--accent-soft),transparent 60%),var(--surface);position:relative;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}.metric-card:hover{transform:translateY(-3px);border-color:#aa91e95e;box-shadow:0 10px 30px #09051e35}.metric-top{display:flex;align-items:center;justify-content:space-between}.metric-top>svg{color:var(--muted);opacity:.6}.metric-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;color:#c3afff;background:#a585ff17;border:1px solid #af8cfc21}.metric-mint .metric-icon{color:#a6e9d1;background:#78e4ba12;border-color:#78e4ba21}.metric-peach .metric-icon{color:#f0c4ac;background:#edb48e12;border-color:#edb48e21}.metric-line{display:flex;align-items:baseline;gap:7px;margin-top:15px;position:relative;min-height:42px}.metric-line>strong{font:500 37px/1 var(--heading);letter-spacing:-1.7px}.metric-line>span{font-size:12px;color:var(--muted)}.metric-card h3{font-size:12px;letter-spacing:0;font-weight:500;font-family:Inter Variable,sans-serif;margin-top:10px}.metric-card p{color:var(--muted);font-size:10px;margin-top:5px}.mini-bars{position:absolute;right:0;bottom:0;width:76px;height:60px;display:flex;align-items:flex-end;gap:4px;opacity:.65}.mini-bars>i{background:linear-gradient(#b19aef66,#b19aef0d);width:7px;border:1px solid #b19aef25;border-bottom:0;border-radius:3px 3px 0 0}.metric-target{position:absolute;width:68px;height:68px;right:0;top:-22px;border:1px solid #8fe3c01f;border-radius:50%;display:grid;place-items:center;opacity:.9}.metric-target>i{position:absolute;border:1px solid #8fe3c02e;width:46px;height:46px;border-radius:50%}.metric-target>i:nth-child(2){width:23px;height:23px;background:#8fe3c009}.metric-target>i:nth-child(3){width:5px;height:5px;background:#8fe3c05c}.metric-dots{display:grid;grid-template-columns:repeat(7,6px);gap:5px;position:absolute;right:0;bottom:3px;transform:rotate(-12deg)}.metric-dots>i{width:6px;height:6px;border:1px solid #ecbc9f30;background:#ecbc9f13;border-radius:2px}.metric-dots>i:nth-child(3n){background:#ecbc9f40}.studio-feature-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;margin-top:28px}.studio-practice .panel-heading{padding-bottom:15px}.recommendations{padding:0 25px}.problem-recommendation{display:flex;gap:13px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}.problem-recommendation:last-child{border:0}.recommendation-number{width:42px;height:43px;border-radius:12px;background:#a890f713;border:1px solid #a890f724;display:grid;place-items:center;color:#bda8f8;flex-shrink:0}.recommendation-number.n1{color:#a3ddca;background:#8ee5c20d;border-color:#8ee5c224}.recommendation-number.n2{color:#ecc1a5;background:#ecc1a50d;border-color:#ecc1a524}.problem-recommendation h3{font-size:14px;letter-spacing:-.3px;font-weight:500}.problem-recommendation p{font-size:10px;color:var(--muted);margin-top:5px}.problem-recommendation>.difficulty{margin-left:auto}.round-arrow{width:28px;height:28px;border:1px solid var(--line);display:grid;place-items:center;border-radius:50%;color:var(--muted);margin-left:3px;transition:background .2s,color .2s}.problem-recommendation:hover .round-arrow{background:var(--green);color:#1a1230;border-color:var(--green)}.problem-recommendation:hover h3{color:var(--green)}.practice-footnote{padding:15px 25px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);background:var(--surface-soft);font-size:8px;color:var(--muted)}.practice-footnote>a,.practice-footnote>span{display:flex;gap:6px;align-items:center}.practice-footnote>a{font-size:8px;color:var(--green)}.studio-path-card{display:flex;flex-direction:column;position:relative;overflow:hidden;border:1px solid #bdb0ed46;border-radius:18px;padding:24px 25px 25px;color:#f5eeff;background:radial-gradient(ellipse at 90% 0,#a381dd5c,transparent 68%),linear-gradient(135deg,#302641,#473359);transition:transform .2s,box-shadow .2s;isolation:isolate}.studio-path-card:before{content:"";position:absolute;z-index:-1;right:-100px;bottom:-120px;width:300px;height:300px;border-radius:50%;border:1px solid #d8beff17;box-shadow:0 0 0 35px #d8beff04,0 0 0 70px #d8beff04}.studio-path-card:hover{transform:translateY(-3px);box-shadow:0 15px 40px #4c2e8733}.path-card-top{justify-content:space-between;color:#c7b5df}.path-card-top,.path-pill{display:flex;align-items:center}.path-pill{gap:7px;font-size:8px;letter-spacing:1.25px}.path-route-art{height:115px;position:relative;margin:13px 0 0}.route-track{position:absolute;left:30px;right:35px;top:52px;height:40px;border-top:1px dashed #c4acdc6b;transform:rotate(-17deg)}.route-point{position:absolute;display:grid;place-items:center;height:39px;width:39px;border:1px solid #cdb0ee55;border-radius:12px;background:#4c3b60;color:#ddc8f8;box-shadow:0 8px 18px #1c0f302e}.route-point.one{left:9px;top:58px;transform:rotate(-12deg)}.route-point.two{left:43%;top:22px;transform:rotate(8deg);width:48px;height:48px;background:linear-gradient(135deg,#b69ad6,#6d5189);color:#f2e6ff}.route-point.three{right:9px;top:2px;transform:rotate(12deg);background:#bea3d6;color:#49345d}.route-star{position:absolute;right:33px;bottom:-4px;font-size:39px;color:#aa8cc8;font-weight:300}.path-card-bottom{margin-top:auto}.path-card-bottom h2{font-size:31px;line-height:1.14;font-weight:500;letter-spacing:-1.4px}.path-card-bottom>p{font-size:11px;color:#c5b6d4;margin-top:11px;line-height:1.85}.path-card-link{margin-top:22px;padding-top:16px;border-top:1px solid #c3aad22e;display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#f1e7fa}.path-card-link>span{height:28px;width:28px;border:1px solid #d2b9ec45;border-radius:50%;display:grid;place-items:center}.topic-section{margin-top:32px}.section-heading-inline{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:19px}.section-heading-inline h2{font-size:23px;font-weight:500;margin-top:8px}.section-heading-inline .eyebrow{font-size:8px}.studio-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.studio-topic{display:block;padding:21px 22px 24px;position:relative;border-radius:16px;border:1px solid var(--line);overflow:hidden;background:radial-gradient(ellipse at 30% 40%,#9779f314,transparent 75%),var(--surface);transition:transform .2s,border-color .2s;--topic:#b19af1}.studio-topic:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--topic) 60%,transparent)}.topic-coral{--topic:#edb496;background:radial-gradient(ellipse at 30% 40%,#edb4960d,transparent 75%),var(--surface)}.topic-mint{--topic:#95d9ba;background:radial-gradient(ellipse at 30% 40%,#95d9ba0d,transparent 75%),var(--surface)}.topic-card-top{display:flex;align-items:center;justify-content:space-between;color:var(--topic)}.topic-icon{width:34px;height:34px;border-radius:10px;background:color-mix(in srgb,var(--topic) 9%,transparent);border:1px solid color-mix(in srgb,var(--topic) 17%,transparent);display:grid;place-items:center}.topic-card-top>span:last-child{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:9px}.topic-art{height:95px;display:flex;align-items:center;justify-content:center;gap:7px;margin:8px 0;color:var(--topic);transform:rotate(-6deg)}.art-arrays>span{width:43px;height:44px;background:linear-gradient(135deg,#b79ff02b,#8466c51a);border:1px solid #b79ff04d;border-radius:9px;display:grid;place-items:center;font:16px var(--heading);box-shadow:4px 6px 0 #9d7ec610}.art-arrays>span:nth-child(2){transform:translateY(-9px)}.art-arrays>span:nth-child(3){transform:translateY(-18px);background:linear-gradient(135deg,#bfa5f377,#9873d14a);color:#ece1ff;box-shadow:4px 7px 15px #09051e26}.art-arrays>span:nth-child(4){transform:translateY(-9px)}.art-strings>span{font:38px var(--heading);font-weight:400}.art-strings>i{font-style:normal;opacity:.45;font-size:21px;padding:0 5px}.art-strings>span:nth-of-type(2){transform:translateY(-12px);color:#f7cab0;text-shadow:0 0 25px #edb49644}.art-graphs{transform:rotate(-6deg)}.art-graphs svg{width:210px;height:78px;overflow:visible}.art-graphs path{stroke:#95d9ba45;stroke-width:1;fill:none}.art-graphs circle{stroke:#b3e5cc;stroke-width:1;fill:#2b4a41;filter:drop-shadow(0 3px 8px #95d9ba2e)}.topic-label{font-size:8px;letter-spacing:1.6px;color:var(--topic);font-weight:600}.studio-topic h3{font-size:20px;font-weight:500;margin-top:8px}.studio-topic>p{font-size:10px;color:var(--muted);margin-top:6px}.studio-rhythm{margin-top:28px}.rhythm-grid{display:flex;gap:28px;align-items:center;padding:2px 26px 27px}.rhythm-copy{width:34%;flex-shrink:0}.rhythm-spark{color:var(--green);display:block;margin-bottom:10px}.rhythm-copy h3{font-size:16px;font-weight:500;line-height:1.5}.rhythm-copy p{font-size:11px;color:var(--muted);line-height:1.9;margin-top:8px}.rhythm-copy .text-link{font-size:10px;margin-top:12px}.activity{flex:1;min-width:0}.activity-months{display:flex;justify-content:space-between;font-size:8px;color:var(--muted);padding-bottom:10px}.activity-grid{display:grid;grid-template-columns:repeat(20,1fr);grid-template-rows:repeat(7,1fr);grid-auto-flow:column;gap:5px}.heat-cell{display:block;aspect-ratio:1;min-width:3px;border:1px solid var(--line);border-radius:3px;background:var(--surface-soft)}.heat-1{background:#554670;border-color:#6a548b}.heat-2{background:#7b62a3;border-color:#876cb4}.heat-3{background:#a186ce;border-color:#b094df}.heat-4{background:#cab3f4;border-color:#e0cdff}.activity-key{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:10px;color:var(--muted);font-size:8px}.activity-key .heat-cell{height:9px;width:9px}.studio-closing{padding:35px 13px 14px;display:flex;align-items:center;justify-content:center;gap:15px}.studio-closing>span{font-size:43px;line-height:1;color:var(--green);font-weight:300}.studio-closing>p{font-size:11px;color:var(--muted);line-height:1.8}.studio-closing strong{font-family:var(--heading);font-size:18px;font-weight:500;color:var(--text)}.studio-closing>a{display:grid;place-items:center;width:39px;height:39px;border-radius:50%;border:1px solid var(--line);color:var(--green);margin-left:12px}.library-total{display:flex;align-items:center;gap:9px;font-size:11px;border:1px solid var(--line);background:var(--surface);padding:11px 13px;border-radius:10px;white-space:nowrap}.library-total svg{color:var(--green)}.library-banner{display:flex;gap:15px;align-items:center;background:linear-gradient(110deg,var(--accent-soft),transparent),var(--surface);border:1px solid var(--line);padding:22px 24px;border-radius:15px;margin-bottom:25px}.library-banner h3{font-size:17px;font-weight:500}.library-banner p{color:var(--muted);font-size:12px;margin-top:5px}.library-banner>.text-link{margin-left:auto;white-space:nowrap}.stat-icon{width:42px;height:42px;flex-shrink:0;border:1px solid #ad91fa24;border-radius:12px;display:grid;place-items:center;color:var(--green);background:var(--accent-soft)}.stat-icon.green{color:#9bdfc0;background:#88d8b615;border-color:#88d8b626}.stat-icon.purple{color:#b9a0f1;background:#a080e715;border-color:#a080e726}.stat-icon.peach{color:#e7b393;background:#e7b39315;border-color:#e7b39326}.library-tabs{display:flex;gap:27px;padding:0 25px;border-bottom:1px solid var(--line)}.library-tabs>button{display:flex;gap:7px;align-items:center;font-size:12px;color:var(--muted);border-bottom:2px solid transparent;padding:20px 0}.library-tabs>button.active{color:var(--green);border-bottom-color:var(--green)}.library-tabs>button>span{background:var(--surface-soft);padding:1px 6px;border-radius:5px;font-size:9px;color:var(--muted)}.filters{display:flex;gap:10px;padding:24px 24px 0}.filter-search{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--field);border-radius:10px;padding:0 12px;flex:1;min-width:120px;color:var(--muted)}.filter-search input{border:0;background:none;padding:12px 0;font-size:11px;width:100%;outline:none}.filter-search>button{display:flex}.filters>select{padding:10px 9px;font-size:10px;max-width:150px}.library-summary{display:flex;align-items:center;justify-content:space-between;padding:21px 25px 16px;font-size:10px;color:var(--muted)}.library-summary label{display:flex;gap:6px;align-items:center}.library-summary select{border:0;background:none;font-size:10px;padding:4px;color:var(--text)}.problem-table-wrap{overflow-x:auto}.problem-table{border-collapse:collapse;width:100%;min-width:620px;text-align:left}.problem-table th{font-size:8px;letter-spacing:1.3px;font-weight:550;color:var(--muted);background:var(--surface-soft);border-block:1px solid var(--line);padding:13px 16px}.problem-table th:first-child{width:42px;padding-left:25px}.problem-table th:nth-child(2){padding-left:0;width:43%}.problem-table td{padding:20px 16px;border-bottom:1px solid var(--line)}.problem-table td:first-child{padding-left:25px;padding-right:10px}.problem-table td:nth-child(2){padding-left:0}.problem-table tr:last-child td{border-bottom:0}.problem-table tbody tr:hover{background:var(--accent-soft)}.problem-table td a{display:block}.problem-table td strong{display:block;font-size:13px;font-family:var(--heading);font-weight:500;letter-spacing:-.2px}.problem-table td a>span{display:block;font-size:10px;color:var(--muted);margin-top:5px;max-width:290px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.unsolved-icon{color:#6c6b85}.solved-icon{color:var(--mint)}.topic-tags{display:flex;gap:5px;flex-wrap:wrap}.topic-tags>button,.topic-tags>span{font-size:9px;white-space:nowrap;background:var(--accent-soft);border:1px solid #a28afb18;color:var(--muted);border-radius:5px;padding:4px 7px}.bookmark-button.saved{color:var(--green)}.learning-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}.learning-card{display:block;padding:25px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(150deg,var(--accent-soft),transparent),var(--surface);text-align:left;position:relative;transition:transform .2s,border-color .2s}.learning-card:hover{transform:translateY(-4px);border-color:#a28afb5c}.learning-card.selected{border-color:var(--green);box-shadow:0 0 0 3px var(--accent-soft)}.learning-card .stat-icon{margin-bottom:25px}.learning-count{position:absolute;top:35px;right:21px;color:var(--muted);font-size:10px}.learning-card h2{font-size:23px;font-weight:500;line-height:1.35}.learning-card p{font-size:12px;line-height:1.85;color:var(--muted);margin-top:13px;min-height:85px}.learning-card .text-link{margin-top:25px}.track-panel{margin-top:30px}.track-step{display:flex;gap:18px;align-items:center;margin:0 25px;padding:22px 0;border-top:1px solid var(--line)}.step-number{display:grid;place-items:center;flex-shrink:0;width:37px;height:37px;border-radius:12px;background:var(--accent-soft);border:1px solid var(--line);color:var(--green);font:12px var(--heading)}.track-step h3{font-size:15px;font-weight:500}.track-step p{font-size:11px;color:var(--muted);margin-top:5px}.track-step>.topic-tags{margin-left:auto}.track-step>svg{color:var(--green);margin-left:10px}.track-note{padding:20px 25px;background:var(--surface-soft);border-top:1px solid var(--line);color:var(--muted);font-size:11px}.notice,.track-note{display:flex;gap:10px;align-items:center}.notice{border:1px solid #a28afb35;background:var(--accent-soft);padding:17px 20px;border-radius:12px;margin-bottom:25px;font-size:12px}.notice>svg{color:var(--green)}.notice>.text-link{margin-left:auto;white-space:nowrap}.progress-overview{display:grid;grid-template-columns:1fr 1.2fr;gap:24px}.progress-score{padding:32px;text-align:center}.score-ring{width:165px;height:165px;margin:0 auto 23px;background:conic-gradient(var(--green) var(--progress),var(--surface-soft) 0);border-radius:50%;display:grid;place-items:center}.score-ring>div{height:145px;width:145px;border-radius:50%;background:var(--surface);display:flex;align-items:center;justify-content:center;flex-direction:column}.score-ring strong{font:500 47px/1.2 var(--heading);letter-spacing:-2px}.score-ring span{font-size:10px;color:var(--muted);margin-top:4px}.progress-score h2{font-size:22px;font-weight:500}.progress-score>p{font-size:12px;color:var(--muted);margin-top:9px}.difficulty-progress{padding:30px}.difficulty-progress h2{font-size:23px;font-weight:500;margin-bottom:27px}.difficulty-progress-item{margin:25px 0}.difficulty-progress-item>div:first-child{display:flex;justify-content:space-between;align-items:center;font-size:12px}.progress-track{height:6px;border-radius:5px;background:var(--surface-soft);margin-top:12px;overflow:hidden}.progress-track>span{display:block;height:100%;background:linear-gradient(90deg,#8970db,#c8b2ff)}.progress-caption{display:flex;gap:8px;align-items:center;border-top:1px solid var(--line);padding-top:21px;color:var(--muted);font-size:10px}.journey-panel,.submissions-panel{margin-top:25px}.journey-panel>.activity{padding:0 25px 27px}.submission-row{display:flex;align-items:center;gap:13px;padding:20px 25px;border-top:1px solid var(--line)}.submission-row h3{font-size:14px;font-weight:500}.submission-row p{font-size:10px;color:var(--muted);margin-top:5px}.submission-row .stat-icon{width:35px;height:35px}.verdict-pill{font-size:10px;padding:5px 8px;background:var(--accent-soft);color:var(--green);border-radius:6px;margin-left:auto}.submission-row>svg{color:var(--muted)}.detail-panel{padding:27px}.detail-panel>.panel-heading{padding:0 0 20px}.detail-panel>h3{margin-top:30px}.code-block{padding:22px;border:1px solid var(--line);background:var(--field);border-radius:10px;font-size:12px;line-height:1.8;overflow:auto}.preferences-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.preference-card{padding:28px}.preference-card h2{font-size:24px;font-weight:500;margin-bottom:24px}form label{display:flex;flex-direction:column;gap:9px;margin-bottom:21px;font-size:12px;font-weight:500}form label input,form label select,form label textarea{padding:13px;font-size:13px;min-width:0}form label input:disabled{color:var(--muted);opacity:.7}.checkbox-label{flex-direction:row;align-items:center;gap:9px}.checkbox-label input{accent-color:var(--green)}.tiny-note{font-size:11px!important;color:var(--muted)!important;line-height:1.8;margin:13px 0 19px}.service-row{display:flex;gap:12px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.service-row .stat-icon{width:37px;height:37px}.service-row h3{font-size:14px;font-weight:500}.service-row p{font-size:10px;color:var(--muted);margin-top:5px}.service-badge{margin-left:auto;padding:4px 7px;border-radius:5px;font-size:8px;background:#9ae6c31a;color:#9ae6c3;white-space:nowrap}.service-badge.pending{color:#f0c4a2;background:#f0c4a215}.settings-note{display:flex;gap:10px;align-items:flex-start;background:var(--surface-soft);border:1px solid var(--line);border-radius:11px;padding:17px;color:var(--muted);margin:20px 0}.settings-note p{font-size:11px;line-height:1.9}.settings-note>svg{margin-top:3px}.draft-item{display:flex;gap:12px;align-items:center;border-top:1px solid var(--line);padding:18px 0}.draft-item h3{font-size:14px;margin-right:auto}.pill{font-size:8px;letter-spacing:1px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;color:var(--muted);display:inline-flex;white-space:nowrap}.upcoming-card{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:60px 30px 48px;border-radius:22px;border:1px solid var(--line);overflow:hidden;background:radial-gradient(ellipse at 60% 0,#a080db23,transparent 65%),var(--surface)}.upcoming-card.peach{background:radial-gradient(ellipse at 60% 0,#edb39320,transparent 65%),var(--surface)}.upcoming-icon{display:block;color:var(--green);margin-bottom:20px}.upcoming-card.peach .upcoming-icon{color:var(--coral)}.upcoming-card h2{font-size:37px;font-weight:500;margin:18px 0}.upcoming-card p{font-size:13px;line-height:1.9;max-width:490px;color:var(--muted)}.upcoming-card>.button{margin-top:28px}.upcoming-card>.text-link{margin-top:19px}.upcoming-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin:40px 10px}.upcoming-principles svg{color:var(--green);margin-bottom:14px}.upcoming-principles h3{font-size:20px;font-weight:500}.upcoming-principles p{font-size:12px;line-height:1.85;color:var(--muted);margin-top:9px}.pricing-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:23px;margin-top:35px}.pricing-card{padding:30px;background:linear-gradient(150deg,var(--accent-soft),transparent),var(--surface)}.pricing-card.featured{border-color:#b49aef7a;box-shadow:0 0 45px #9e75e812}.pricing-card h2{font-size:44px;font-weight:500;margin-top:18px}.pricing-card>p{font-size:12px;color:var(--muted);margin-top:9px}.pricing-card ul{list-style:none;padding:24px 0 20px;margin:27px 0 0;border-top:1px solid var(--line)}.pricing-card li{display:flex;gap:9px;align-items:center;padding:10px 0;font-size:12px;color:var(--muted)}.pricing-card li svg{color:var(--green)}.pricing-card>.button{width:100%;margin-top:10px}.future-plan{display:block;font-size:11px;color:var(--muted);padding-top:20px}.pricing-footnote{text-align:center;margin-top:28px;font-size:12px;color:var(--muted)}.auth-main{padding:42px;display:flex;align-items:center;justify-content:center;flex:1}.auth-wrap{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:22px;background:var(--surface);max-width:1080px;width:100%;overflow:hidden;min-height:650px;box-shadow:0 25px 65px #00000017}.auth-story{position:relative;padding:43px 37px;background:radial-gradient(ellipse at 90% 100%,#8961c84d,transparent 70%),#211a33;overflow:hidden;color:#f2ecfb}.auth-story>.eyebrow{font-size:8px;display:flex;gap:8px;align-items:center;color:#cdb9e9}.auth-story h1{font-size:47px;line-height:1.12;font-weight:500;letter-spacing:-2.2px;margin-top:30px}.auth-story h1 em{font-style:normal;background:linear-gradient(100deg,#c5a8ff,#edbddc);color:transparent;background-clip:text}.auth-story>p{font-size:12px;color:#c1b3d2;line-height:1.9;margin-top:22px}.auth-story .code-sculpture{width:86%;height:300px;top:auto;bottom:30px;right:4%;transform:scale(.9)}.auth-caption{position:absolute;bottom:24px;left:37px;font-size:8px;color:#c0a8d5;letter-spacing:1.4px}.auth-card{padding:45px 37px;display:flex;justify-content:center;flex-direction:column}.auth-card-icon{display:block;color:var(--green);margin-bottom:20px}.auth-card h2{font-size:30px;font-weight:500;line-height:1.3}.auth-card>p{font-size:12px;color:var(--muted);line-height:1.8;margin:13px 0 30px}.auth-card form label{font-size:11px}.auth-submit{width:100%;justify-content:space-between;padding:14px 16px;margin-top:6px}.auth-switch{font-size:11px!important;text-align:center;margin:22px 0 0!important}.auth-switch a{color:var(--green);font-weight:550}.auth-privacy{margin:28px 0 0!important;display:flex;align-items:center;justify-content:center;gap:6px;font-size:9px!important;color:var(--muted)!important}.forgot-password{text-align:center;color:var(--muted);font-size:10px;text-decoration:underline;text-underline-offset:4px;margin-top:15px}.form-error{display:flex;gap:9px;align-items:flex-start;border:1px solid #efb3a53d;background:#efb3a50e;border-radius:9px;padding:13px;margin:17px 0;font-size:12px;color:#f1b9ad}.auth-success{display:flex;flex-direction:column;gap:22px}.auth-success>svg{color:var(--mint)}.development-mail{border:1px solid var(--line);background:var(--surface-soft);padding:18px;border-radius:11px}.development-mail p{color:var(--muted);font-size:11px;line-height:1.8;margin-top:8px}.development-mail>.text-link{margin-top:12px}.development-mail code{display:block;font-size:10px;margin-top:10px;word-break:break-all;color:var(--muted)}.workspace-shell .main-shell{height:100vh}.workspace-shell .topbar{height:65px;flex-shrink:0;padding-inline:25px}.workspace-main{display:flex;flex-direction:column;flex:1;min-height:0}.workspace-toolbar{height:58px;flex-shrink:0;gap:20px;padding:0 24px;border-bottom:1px solid var(--line);background:var(--surface)}.back-link,.workspace-toolbar{display:flex;align-items:center}.back-link{font-size:11px;gap:8px;color:var(--muted);border-right:1px solid var(--line);padding-right:20px;white-space:nowrap}.workspace-problem-name{display:flex;gap:15px;align-items:center;font-size:13px;font-weight:500}.workspace-problem-name .difficulty{font-size:9px}.workspace-toolbar>.icon-button{margin-left:auto}.workspace-panes{display:flex;flex:1;min-height:0;overflow:hidden}.statement-pane{width:var(--pane-width);flex-shrink:0;display:flex;flex-direction:column;min-height:0;background:var(--surface)}.pane-tabs{height:49px;flex-shrink:0;display:flex;align-items:stretch;gap:23px;border-bottom:1px solid var(--line);padding:0 21px}.pane-tabs>button{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:11px;border-bottom:2px solid transparent;white-space:nowrap}.pane-tabs>button.active{border-bottom-color:var(--green);color:var(--green)}.tab-count{font-size:9px;background:var(--accent-soft);padding:0 4px;border-radius:4px;color:var(--green)}.statement-content{padding:28px 27px 40px;overflow:auto;flex:1;color:var(--muted);font-size:13px;min-height:0}.problem-category{font-size:9px;letter-spacing:1.3px;color:var(--green);text-transform:uppercase;margin-bottom:13px}.statement-content h1{font-size:29px;line-height:1.3;font-weight:500;color:var(--text)}.problem-meta{display:flex;align-items:center;gap:15px;margin:16px 0 26px}.problem-meta>span:nth-child(2){font-size:9px;display:flex;gap:5px;align-items:center;color:var(--muted)}.statement-content p{line-height:1.9}.statement-text{white-space:pre-line;line-height:1.95!important;margin:21px 0}.statement-content h3{font-family:Inter Variable,sans-serif;font-size:13px;letter-spacing:0;font-weight:600;color:var(--text);margin:25px 0 10px}.statement-content>.eyebrow{margin-bottom:15px;font-size:8px}.example{margin-top:30px}.example-code{border:1px solid var(--line);border-left:2px solid #ac8bec83;border-radius:0 10px 10px 0;background:var(--field);padding:16px 18px;margin:14px 0}.example-code>span{font-size:8px;letter-spacing:1.3px;color:var(--muted)}.example-code pre{font:12px/1.7 Consolas,monospace;color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0 15px}.example-code pre:last-child{margin-bottom:0}.constraints,.example>p{font-size:12px}.constraints{line-height:2;padding-left:17px}.statement-callout{display:flex;gap:10px;align-items:flex-start;background:var(--accent-soft);border:1px solid #a28afb2a;padding:16px;border-radius:11px;margin:27px 0;color:var(--muted)}.statement-callout>svg{color:var(--green);margin-top:3px}.statement-callout p{font-size:11px;line-height:1.9}.pane-divider{width:7px;flex-shrink:0;background:var(--bg);border-inline:1px solid var(--line);cursor:col-resize;display:grid;place-items:center;touch-action:none}.pane-divider>span{height:25px;border-left:2px dotted #76628f}.pane-divider:hover{background:var(--accent-soft)}.editor-pane{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--surface)}.editor-toolbar{height:49px;flex-shrink:0;padding:0 17px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line)}.editor-toolbar>div{display:flex;align-items:center;gap:8px;color:var(--muted)}.editor-toolbar select{background:none;border:0;appearance:none;color:var(--text);font-size:11px;padding:5px 0}.save-state{display:flex;align-items:center;gap:5px;font-size:8px;white-space:nowrap}.save-state>span{width:4px;height:4px;background:var(--mint);border-radius:50%}.editor-surface{flex:1;min-height:160px;overflow:hidden}.editor-loading{height:100%;min-height:130px;display:grid;place-items:center;color:var(--muted);font-size:12px}.results-pane{height:230px;min-height:150px;flex-shrink:0;border-top:1px solid var(--line);display:flex;flex-direction:column}.results-pane .pane-tabs{height:42px}.results-content{padding:16px 20px;flex:1;min-height:0;overflow:auto}.case-buttons{display:flex;gap:7px;align-items:center;margin-bottom:12px}.case-buttons>button{font-size:10px;background:var(--field);color:var(--muted);border:1px solid var(--line);padding:5px 9px;border-radius:6px}.case-buttons>button.active{color:var(--green);background:var(--accent-soft);border-color:#a28afb4a}.case-buttons>span{margin-left:auto;color:var(--muted);font-size:8px}.results-content>textarea{font:12px/1.7 Consolas,monospace;padding:12px;width:100%;height:104px;resize:vertical;background:var(--field)}.results-empty{height:100%;justify-content:center;flex-direction:column;gap:12px;color:var(--muted);font-size:11px}.execution-bar,.results-empty{display:flex;align-items:center}.execution-bar{height:68px;flex-shrink:0;padding:0 18px;background:var(--surface-soft);border-top:1px solid var(--line);gap:10px;justify-content:space-between}.execution-bar>div{display:flex;gap:9px}.execution-bar .button{font-size:11px;min-height:36px;padding:9px 12px;gap:7px}.execution-bar kbd{font-size:8px;margin-left:4px}.judge-indicator{font-size:8px;color:#e2c19a;display:flex;gap:6px;align-items:center}.judge-indicator>i{height:5px;width:5px;background:#d9b17e;border-radius:50%;flex-shrink:0}.judge-indicator.ready{color:var(--mint)}.judge-indicator.ready>i{background:var(--mint)}.result-warning{display:flex;align-items:flex-start;gap:11px;background:#e7bd8a0d;border:1px solid #e7bd8a30;border-radius:10px;padding:16px;color:#e8c69e}.result-warning h3{font-size:15px;font-weight:500}.result-warning p{font-size:11px;line-height:1.85;margin-top:6px}.result-warning>svg{margin-top:2px}.result-detail h3{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:500;margin-bottom:14px;text-transform:capitalize}.result-detail .accepted{color:var(--mint)}.result-detail>p{font-size:12px;color:var(--muted)}.result-detail pre{background:var(--field);padding:12px;border-radius:7px;font:12px/1.8 Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.result-detail>.text-link{margin-top:17px}.case-result{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:11px 0;font-size:11px;border-top:1px solid var(--line)}.case-result strong{font-weight:500}.case-result pre{width:100%;margin:0}.tab-dot{width:5px;height:5px;background:var(--green);border-radius:50%}.hint-card{display:flex;gap:13px;align-items:flex-start;padding:21px 0;border-bottom:1px solid var(--line)}.hint-level{width:32px;height:32px;flex-shrink:0;display:grid;place-items:center;background:var(--surface-soft);border:1px solid var(--line);color:var(--muted);font-size:10px;border-radius:10px}.hint-card h3{margin:2px 0 7px}.hint-card h3,.hint-card p{font-size:12px}.hint-card>svg{color:var(--muted);margin-left:auto;margin-top:6px;opacity:.6}.hint-locked{color:var(--muted);opacity:.8}.hint-card.revealed .hint-level{color:var(--green);background:var(--accent-soft)}.statement-content>.button{margin-top:24px}.language-picker{position:relative;flex-shrink:0;z-index:25}.language-trigger{display:flex;align-items:center;gap:9px;min-height:36px;padding:5px 10px 5px 6px;background:var(--field);border:1px solid var(--line);border-radius:9px;transition:border-color .18s,box-shadow .18s}.language-trigger.is-open,.language-trigger:hover{border-color:#a68ae96b;background:var(--surface-soft)}.language-trigger.is-open{box-shadow:0 0 0 3px var(--accent-soft)}.language-badge{height:25px;width:26px;flex-shrink:0;display:grid;place-items:center;border-radius:7px;font-family:var(--heading);font-weight:650;font-size:10px;letter-spacing:-.3px;border:1px solid transparent}.badge-javascript{background:#e7c77c19;color:#f0d18e;border-color:#e7c77c30}.badge-python{background:#8dd5bf15;color:#a8e8d2;border-color:#8dd5bf30}.badge-cpp{background:#b698eb17;color:#c6adf4;border-color:#b698eb30;font-size:8px}.language-trigger-name{font-size:11px;font-weight:550;color:var(--text)}.language-extension{color:var(--muted);font:9px Consolas,monospace;margin-left:3px;opacity:.8}.language-chevron{margin-left:5px;color:var(--muted);transition:transform .18s}.language-trigger.is-open .language-chevron{transform:rotate(180deg);color:var(--green)}.language-popover{position:absolute;top:calc(100% + 9px);left:0;width:278px;padding:8px;border:1px solid #a28afb3d;border-radius:14px;background:var(--surface);box-shadow:0 15px 45px #00000050,0 0 0 1px #14131b25;animation:studio-enter .16s ease both}.language-popover-heading{display:flex;align-items:center;gap:7px;padding:9px 8px 14px;border-bottom:1px solid var(--line);color:var(--muted);font-size:8px;letter-spacing:1px;font-weight:550}.language-popover-heading>svg{color:var(--green)}.language-popover-heading>kbd{margin-left:auto;letter-spacing:3px;font-size:9px}.language-options{padding:7px 0}.language-option{display:flex;align-items:center;gap:10px;width:100%;padding:11px 9px;border:1px solid transparent;border-radius:9px;text-align:left;transition:background .15s,border-color .15s;min-height:60px}.language-option .language-badge{height:33px;width:33px;border-radius:9px;font-size:13px}.language-option .badge-cpp{font-size:10px}.language-option.is-highlighted{background:var(--accent-soft)}.language-option.is-selected{border-color:#a78ae629;background:linear-gradient(100deg,var(--accent-soft),transparent)}.language-option-copy{display:flex;flex-direction:column;gap:3px}.language-option-copy>strong{color:var(--text);font-size:12px;font-weight:550}.language-option-copy>span{font-size:9px;color:var(--muted);white-space:nowrap}.language-option-extension{font:10px Consolas,monospace;color:var(--muted);margin-left:auto}.language-check{color:var(--green);margin-left:0}.language-popover-footer{border-top:1px solid var(--line);padding:12px 7px 5px;display:flex;align-items:center;gap:7px;font-size:8px;color:var(--muted)}.language-popover-footer .live-dot{width:4px;height:4px}:root[data-theme=light] .badge-javascript{color:#8c6523}:root[data-theme=light] .badge-python{color:#35775f}:root[data-theme=light] .badge-cpp{color:#7a50ae}@media(max-width:1100px){.language-trigger{gap:7px;min-height:34px;padding-right:8px}.language-trigger-name{font-size:10px}.language-extension{display:none}}@media(max-width:700px){.language-trigger{gap:8px;min-height:35px}.language-trigger-name{font-size:11px}.language-extension{display:inline}.language-popover{width:272px}}.empty{display:flex;flex-direction:column;align-items:center;gap:13px;text-align:center;padding:55px 25px}.empty-icon{display:grid;place-items:center;width:61px;height:61px;background:var(--accent-soft);border:1px solid #a28afb22;border-radius:19px;color:var(--green);margin-bottom:5px}.empty h3{font-size:23px;font-weight:500}.empty p{font-size:12px;line-height:1.9;color:var(--muted);max-width:430px}.empty .button{margin-top:10px}.initial-loading{gap:14px;min-height:100vh;font-size:13px}.initial-loading,.subtle-loading{display:flex;align-items:center;justify-content:center;color:var(--muted)}.subtle-loading{padding:45px 25px;gap:10px;font-size:12px}.service-error{display:flex;gap:10px;align-items:center;padding:16px 18px;background:#f4ba9410;border:1px solid #f4ba9433;color:#e8b899;border-radius:10px;margin-bottom:22px;font-size:12px}.service-error>button{margin-left:auto;font-size:11px;text-decoration:underline;text-underline-offset:4px}.toast{position:fixed;bottom:24px;left:calc(50% + 100px);transform:translateX(-50%);max-width:min(580px,90vw);padding:16px 19px;border:1px solid #a28afb4a;background:var(--surface);border-radius:12px;box-shadow:0 10px 50px #00000044;display:flex;align-items:center;gap:10px;font-size:12px;z-index:100;backdrop-filter:blur(15px)}.toast>svg{color:var(--mint)}.toast>button{display:flex;margin-left:14px;color:var(--muted)}.spin{animation:spin 1s linear infinite}.mobile-menu,.sidebar-scrim,.workspace-mobile-tabs{display:none}.growth-art{width:100%;height:auto;opacity:.7}:root[data-theme=light] .button.primary{color:#fff}:root[data-theme=light] .hero-cta.button.primary{color:#211735}:root[data-theme=light] .metric-icon,:root[data-theme=light] .stat-icon.purple{color:#7351bd}:root[data-theme=light] .metric-mint .metric-icon,:root[data-theme=light] .stat-icon.green{color:#38765e}:root[data-theme=light] .metric-peach .metric-icon,:root[data-theme=light] .stat-icon.peach{color:#a36842}:root[data-theme=light] .difficulty.easy{color:#32775a}:root[data-theme=light] .difficulty.medium{color:#936721}:root[data-theme=light] .difficulty.hard{color:#a1506c}:root[data-theme=light] .recommendation-number{color:#8464bc}:root[data-theme=light] .recommendation-number.n1{color:#49836c}:root[data-theme=light] .recommendation-number.n2{color:#a67954}:root[data-theme=light] .topic-violet{--topic:#8561b9}:root[data-theme=light] .topic-coral{--topic:#a87048}:root[data-theme=light] .topic-mint{--topic:#4c886d}:root[data-theme=light] .art-arrays>span{color:#7956ad}:root[data-theme=light] .art-arrays>span:nth-child(3){color:#fff}:root[data-theme=light] .art-strings>span:nth-of-type(2){color:#b67c53}:root[data-theme=light] .service-badge{color:#367256}:root[data-theme=light] .judge-indicator,:root[data-theme=light] .service-badge.pending{color:#8b6538}:root[data-theme=light] .result-warning,:root[data-theme=light] .service-error{color:#916339}:root[data-theme=light] .form-error{color:#a15145}@keyframes spin{to{transform:rotate(1turn)}}@keyframes studio-enter{0%{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@keyframes sculpture-float{0%,to{transform:translateY(0) rotate(-15deg) rotateY(-18deg)}50%{transform:translateY(-12px) rotate(-10deg) rotateY(-18deg)}}@keyframes code-float{0%,to{transform:translateY(0) rotate(-5deg)}50%{transform:translateY(6px) rotate(-3deg)}}@media(min-width:1600px){.main-content{padding:43px 55px 30px}.topbar{padding-inline:55px}.studio-hero{padding:43px;min-height:392px}.studio-hero-copy h2{font-size:61px}.studio-hero-copy p{font-size:14px}.hero-kicker{font-size:9px}.code-sculpture{height:357px;top:25px;right:23px}.sculpture-sphere{height:190px;width:190px;left:35%}.sculpture-code{top:185px;width:315px;left:11%}.sculpture-code pre{font-size:12px}.sculpture-caption{bottom:5px;right:4%}.hero-trust{font-size:9px}.metric-card{padding:24px}.metric-card h3{font-size:13px}.metric-card p{font-size:11px}.studio-feature-grid{grid-template-columns:1.65fr 1fr}.problem-recommendation{padding:23px 0}.studio-path-card{padding:27px}.path-card-bottom h2{font-size:35px}.path-route-art{height:125px}.studio-topic{padding:25px}.studio-topic h3{font-size:23px}.topic-art{height:110px}}@media(max-width:1300px){.sidebar{width:220px;padding-inline:15px}.main-shell{margin-left:220px;width:calc(100% - 220px)}.brand{font-size:21px;gap:8px}.brand-mark{width:32px;height:32px}.brand-mark i{left:14.5px;top:14.5px}.workspace-label{padding:12px 8px}.workspace-label strong{font-size:10px}.workspace-label div>span{font-size:9px}.main-content{padding:31px 28px 24px}.topbar{padding-inline:28px}.topbar-right{gap:17px}.global-search input{width:160px}.studio-heading h1{font-size:27px}.studio-hero{padding:30px 28px;min-height:345px}.studio-hero-copy h2{font-size:46px}.studio-hero-copy p{font-size:11px}.studio-hero-actions{gap:15px}.hero-cta{font-size:11px}.hero-secondary{font-size:10px}.hero-trust{font-size:7px;gap:8px}.code-sculpture{right:-3px;width:42%;transform:scale(.94);transform-origin:right center}.sculpture-code{width:255px;left:4%}.sculpture-code pre{font-size:9px}.sculpture-sphere{left:27%}.language-py{right:3%}.language-cpp{right:-1%}.metric-card{padding:18px}.metric-line>strong{font-size:34px}.metric-card p{font-size:9px}.mini-bars{width:60px}.metric-target{height:58px;width:58px}.studio-feature-grid{gap:18px;grid-template-columns:1.5fr 1fr}.panel-heading{padding-inline:22px}.panel-heading h2{font-size:20px}.panel-heading .text-link{font-size:10px}.recommendations{padding-inline:22px}.problem-recommendation{gap:10px}.problem-recommendation h3{font-size:13px}.practice-footnote{padding-inline:20px;flex-wrap:wrap}.studio-path-card{padding:24px 22px}.path-card-bottom h2{font-size:29px}.path-route-art{height:120px}.studio-topics{gap:15px}.studio-topic{padding:20px 18px}.studio-topic h3{font-size:18px}.topic-card-top>span:last-child{font-size:8px}.art-arrays>span{width:36px;height:39px}.art-strings>span{font-size:33px}.art-strings>i{padding:0 2px}.rhythm-copy h3{font-size:15px}.rhythm-copy p{font-size:10px}.auth-main{padding:30px}.auth-story{padding:35px 30px}.auth-story h1{font-size:42px}.auth-card{padding:35px 30px}.auth-card h2{font-size:27px}.learning-card{padding:22px}.learning-card h2{font-size:21px}.learning-count{font-size:9px;right:18px}.learning-card p{font-size:11px}.filters{flex-wrap:wrap}.filter-search{min-width:100%}.filters>select{flex:1;max-width:none}.workspace-shell .sidebar{width:205px}.workspace-shell .main-shell{margin-left:205px;width:calc(100% - 205px)}.workspace-shell .brand{font-size:19px}.workspace-shell .save-state{font-size:7px}.pane-tabs{gap:16px;padding-inline:17px}.pane-tabs>button{font-size:10px}.statement-content{padding:24px 22px}.statement-content h1{font-size:26px}.execution-bar{padding-inline:13px}.execution-bar .button{font-size:10px}.execution-bar kbd{display:none}.main-footer{padding-inline:28px}}@media(max-width:1100px){.sidebar{width:200px;padding-inline:12px}.main-shell{margin-left:200px;width:calc(100% - 200px)}.brand{font-size:19px;gap:7px}.workspace-label{gap:8px}.workspace-label strong{font-size:9px}.workspace-label div>span{font-size:8px}.nav-item{font-size:11px;gap:10px}.grow-card{padding:18px 13px}.grow-card h3{font-size:17px}.sidebar-user{gap:8px}.sidebar-user strong{font-size:10px}.sidebar-user div>a{font-size:8px}.sidebar-bottom>.nav-item{font-size:9px}.topbar{height:74px}.global-search{padding:6px 9px}.global-search input{width:130px;font-size:9px}.global-search kbd{display:none}.topbar-right{gap:13px}.studio-heading h1{font-size:25px}.studio-heading p{font-size:11px}.studio-date{font-size:8px;padding:9px}.studio-heading .eyebrow{font-size:7px}.studio-hero-copy{max-width:65%}.studio-hero-copy h2{font-size:43px}.hero-kicker{font-size:6px;gap:6px;letter-spacing:.8px}.hero-kicker svg{width:11px}.studio-hero{min-height:334px;padding:28px 24px}.studio-hero-copy p{font-size:10px}.hero-cta.button{font-size:10px;padding:12px 13px;gap:8px}.studio-hero-actions{gap:12px}.hero-secondary{font-size:8px;gap:4px}.hero-secondary svg{width:12px}.hero-trust{font-size:6px;gap:7px}.code-sculpture{width:43%;right:-16px;transform:scale(.84);top:13px}.sculpture-sphere{left:24%}.sculpture-code{left:-2%}.metric-card{padding:16px}.metric-card p{font-size:8px}.metric-card h3{font-size:11px}.mini-bars{width:48px;gap:3px}.mini-bars>i{width:5px}.metric-dots{gap:4px;grid-template-columns:repeat(7,4px)}.metric-dots>i{width:4px;height:4px}.metric-line>strong{font-size:33px}.metric-target{height:48px;width:48px}.metric-target>i:first-child{height:32px;width:32px}.studio-feature-grid{grid-template-columns:1.5fr 1fr;gap:16px}.panel-heading{padding:22px 18px 17px;gap:10px}.panel-heading h2{font-size:18px}.panel-heading .eyebrow{font-size:7px}.panel-heading .text-link{font-size:8px;gap:4px}.recommendations{padding-inline:18px}.problem-recommendation h3{font-size:12px}.problem-recommendation p{font-size:9px}.recommendation-number{height:36px;width:36px;border-radius:10px}.problem-recommendation>.difficulty{font-size:8px}.round-arrow{width:24px;height:24px;margin:0}.practice-footnote{padding-inline:18px;font-size:7px}.practice-footnote>a{font-size:7px}.studio-path-card{padding:23px 19px}.path-card-bottom h2{font-size:27px}.path-card-bottom>p{font-size:10px}.path-pill{font-size:6px}.path-card-link{font-size:9px}.route-point{width:33px;height:33px}.route-point.two{width:42px;height:42px}.path-route-art{height:103px}.route-star{font-size:29px}.section-heading-inline h2{font-size:21px}.studio-topics{gap:12px}.studio-topic{padding:18px 16px}.topic-card-top>span:last-child{font-size:7px;gap:3px}.topic-icon{width:28px;height:28px}.topic-icon svg{width:17px}.studio-topic h3{font-size:17px}.studio-topic>p{font-size:8px}.topic-art{height:82px;gap:5px}.art-arrays>span{width:30px;height:33px;font-size:13px;border-radius:7px}.art-strings>span{font-size:30px}.art-strings>i{font-size:17px;padding:0}.rhythm-grid{padding-inline:20px;gap:20px}.rhythm-copy{width:35%}.rhythm-copy h3{font-size:13px}.rhythm-copy p{font-size:9px}.activity-grid{gap:4px}.section-head h1{font-size:30px}.section-head p{font-size:12px}.library-total{font-size:9px}.learning-cards{gap:14px}.learning-card{padding:20px}.learning-card h2{font-size:19px}.learning-card p{font-size:10px}.learning-count{font-size:8px;top:33px}.learning-card .stat-icon{width:33px;height:33px}.pricing-cards{gap:15px}.pricing-card{padding:24px 20px}.pricing-card h2{font-size:37px}.pricing-card li{font-size:11px}.preferences-grid{gap:20px}.preference-card{padding:25px 22px}.service-badge{font-size:7px}.service-row p{font-size:9px}.auth-story h1{font-size:37px}.auth-wrap{grid-template-columns:.9fr 1.1fr}.auth-story .code-sculpture{transform:scale(.75);right:-4%}.auth-card{padding:35px 25px}.workspace-shell .sidebar{width:185px}.workspace-shell .main-shell{margin-left:185px;width:calc(100% - 185px)}.workspace-shell .brand{font-size:17px}.workspace-shell .sidebar-user strong{font-size:9px}.workspace-shell .topbar .global-search{display:none}.pane-tabs{gap:12px;padding-inline:14px}.pane-tabs>button{font-size:9px}.pane-tabs svg{width:13px}.save-state{display:none}.workspace-problem-name{font-size:12px}.workspace-problem-name .difficulty{display:none}.judge-indicator{font-size:7px}.editor-toolbar{padding-inline:13px}.statement-content{font-size:12px}.statement-content h1{font-size:24px}}@media(max-width:900px){.sidebar{display:none;width:244px;padding:28px 19px 0}.sidebar.open{display:flex}.main-shell,.workspace-shell .main-shell{margin-left:0;width:100%}.workspace-shell .sidebar{width:244px}.mobile-menu{display:inline-flex}.sidebar-scrim.visible{display:block;position:fixed;inset:0;background:#050611a3;backdrop-filter:blur(5px);z-index:39}.sidebar.open .brand,.workspace-shell .sidebar.open .brand{font-size:23px}.sidebar.open .workspace-label strong{font-size:11px}.sidebar.open .workspace-label div>span{font-size:10px}.sidebar.open .nav-item{font-size:12px}.sidebar.open .sidebar-user strong{font-size:11px}.sidebar.open .sidebar-user div>a{font-size:9px}.sidebar.open .sidebar-bottom>.nav-item{font-size:10px}.topbar{padding-inline:28px}.breadcrumb-home,.breadcrumb>svg{display:none}.breadcrumb{gap:10px}.breadcrumb strong{font-size:12px}.global-search input{width:160px}.studio-hero-copy h2{font-size:48px}.studio-hero{padding:30px;min-height:350px}.hero-kicker{font-size:7px}.studio-hero-copy p{font-size:11px}.hero-cta.button{font-size:11px;padding:12px 15px}.hero-secondary{font-size:9px}.hero-trust{font-size:7px}.code-sculpture{right:0;transform:scale(.93)}.studio-heading h1{font-size:29px}.studio-heading p{font-size:12px}.studio-heading .eyebrow{font-size:8px}.studio-date{font-size:9px}.metric-card{padding:20px}.metric-card h3{font-size:12px}.metric-card p{font-size:9px}.metric-line>strong{font-size:35px}.studio-feature-grid{grid-template-columns:1.6fr 1fr}.panel-heading h2{font-size:20px}.problem-recommendation h3{font-size:13px}.recommendation-number{width:39px;height:40px}.path-card-bottom h2{font-size:29px}.studio-topic h3{font-size:20px}.studio-topic>p{font-size:9px}.topic-art{height:95px}.topic-card-top>span:last-child{font-size:8px}.studio-topic{padding:20px 18px}.art-arrays>span{width:35px;height:37px}.rhythm-copy h3{font-size:15px}.rhythm-copy p{font-size:10px}.learning-card h2{font-size:22px}.learning-card p{font-size:12px}.learning-cards{grid-template-columns:1fr}.learning-card{display:grid;grid-template-columns:auto 1fr;column-gap:20px;padding:25px}.learning-card .stat-icon{grid-row:1/4;margin:0;width:42px;height:42px}.learning-card h2{padding-right:80px}.learning-count{font-size:10px;top:28px;right:24px}.learning-card p{min-height:0;margin-top:9px;grid-column:2}.learning-card .text-link{grid-column:2;margin-top:15px}.preferences-grid{grid-template-columns:1fr}.auth-wrap{grid-template-columns:1fr 1fr}.auth-story h1{font-size:39px}.auth-story .code-sculpture{right:1%;transform:scale(.9)}.workspace-shell .topbar{padding-inline:20px}.workspace-shell .save-state{display:flex;font-size:8px}.workspace-shell .pane-tabs{gap:21px;padding-inline:21px}.workspace-shell .pane-tabs>button{font-size:11px}.workspace-shell .pane-tabs svg{width:14px}.statement-content{font-size:13px}.statement-content h1{font-size:27px}.workspace-shell .execution-bar .button{font-size:11px}.workspace-shell .judge-indicator{font-size:8px}}@media(max-width:700px){.topbar{height:65px;padding-inline:20px}.topbar,.topbar-right{gap:12px}.global-search,.topbar-divider{display:none}.topbar .button.small{font-size:10px;min-height:33px;padding:9px 12px;gap:8px}.main-content{padding:27px 20px 23px}.studio-heading{margin-bottom:24px;gap:10px;align-items:flex-start}.studio-heading h1{font-size:26px;letter-spacing:-1px;margin-top:9px}.studio-heading p{font-size:11px;max-width:270px;line-height:1.8}.studio-heading .eyebrow{font-size:6px;letter-spacing:1.5px}.studio-date{display:none}.studio-hero{min-height:430px;padding:28px 25px;border-radius:19px}.studio-hero-copy{max-width:100%}.studio-hero-copy h2{font-size:46px;letter-spacing:-2.2px;margin-top:20px}.hero-kicker{font-size:6px;letter-spacing:1px;padding:6px 9px}.studio-hero-copy p{font-size:11px;max-width:80%;line-height:1.9;margin-top:18px}.studio-hero-actions{gap:15px;margin-top:24px;flex-direction:column;align-items:flex-start}.hero-cta.button{font-size:11px;min-height:43px;padding:12px 14px;gap:8px}.hero-secondary{font-size:9px}.hero-trust{position:relative;margin-top:26px;font-size:7px;gap:9px;flex-wrap:wrap;max-width:65%}.hero-trust>i:last-of-type,.hero-trust>span:last-child{display:none}.code-sculpture{width:250px;height:270px;top:auto;bottom:14px;right:-37px;transform:scale(.64);transform-origin:right top;opacity:.8}.sculpture-sphere{height:136px;width:136px;left:20%;top:15px;border-radius:37px}.sculpture-sphere svg{width:70px}.sculpture-code{top:140px;width:260px;left:-20px}.floating-language{height:42px;width:42px}.language-js{left:-8%;top:66px}.language-py{right:7%;top:3px}.language-cpp{top:155px;right:-7%}.sculpture-caption{display:none}.sculpture-orbit{left:-15%;width:260px}.studio-metrics{gap:10px;margin-top:15px}.metric-card{padding:16px 14px 17px;border-radius:13px}.metric-top>svg{width:12px}.metric-icon{height:30px;width:30px;border-radius:9px}.metric-icon svg{width:17px}.metric-line{margin-top:17px;min-height:32px;gap:5px}.metric-line>strong{font-size:31px}.metric-line>span{font-size:9px}.metric-card h3{font-size:10px;line-height:1.4;margin-top:10px}.metric-card p{font-size:8px;margin-top:6px}.metric-dots,.metric-target,.mini-bars{display:none}.studio-feature-grid{grid-template-columns:1fr;gap:20px;margin-top:22px}.panel{border-radius:16px}.panel-heading{padding:24px 21px 19px;gap:13px}.panel-heading h2{font-size:22px}.panel-heading .eyebrow{font-size:7px;letter-spacing:1.4px}.panel-heading .text-link{font-size:10px}.recommendations{padding-inline:21px}.problem-recommendation{padding:22px 0;gap:12px}.problem-recommendation h3{font-size:14px}.problem-recommendation p{font-size:10px}.recommendation-number{height:41px;width:41px}.problem-recommendation>.difficulty{font-size:9px}.round-arrow{height:28px;width:28px;margin-left:5px}.practice-footnote{padding:16px 21px;font-size:8px;gap:9px}.practice-footnote>a{font-size:8px}.studio-path-card{padding:24px;min-height:285px}.path-pill{font-size:8px}.path-route-art{position:absolute;right:24px;top:65px;width:45%;height:125px;transform:rotate(-10deg)}.route-point.one{left:0;top:80px}.route-point.two{left:40%;top:35px}.route-point.three{right:0;top:0}.route-track{top:65px;left:12px;right:0;transform:rotate(-34deg)}.route-star{right:10px;bottom:-15px}.path-card-bottom h2{font-size:33px;max-width:60%}.path-card-bottom>p{font-size:11px;max-width:65%}.path-card-bottom{margin-top:25px}.path-card-link{font-size:11px;margin-top:20px}.topic-section{margin-top:28px}.section-heading-inline h2{font-size:23px;max-width:270px}.section-heading-inline .text-link{font-size:10px;white-space:nowrap}.studio-topics{grid-template-columns:1fr;gap:13px}.studio-topic{padding:22px;min-height:185px}.topic-card-top{position:relative;z-index:2}.topic-icon{width:35px;height:35px}.topic-icon svg{width:21px}.topic-card-top>span:last-child{font-size:10px}.topic-art{position:absolute;right:20px;top:50px;width:42%;height:95px;opacity:.8;transform:rotate(-12deg)}.topic-label{display:block;margin-top:23px;font-size:8px}.studio-topic h3{font-size:24px}.studio-topic h3,.studio-topic>p{max-width:65%;position:relative;z-index:2}.studio-topic>p{font-size:10px;margin-top:8px}.art-arrays>span{width:32px;height:36px;font-size:13px}.art-strings>span{font-size:32px}.art-strings>i{font-size:18px}.art-graphs svg{width:160px;height:80px}.studio-rhythm{margin-top:23px}.rhythm-grid{flex-direction:column;align-items:stretch;gap:22px;padding:0 22px 23px}.rhythm-copy{width:100%;display:grid;grid-template-columns:auto 1fr;column-gap:13px}.rhythm-spark{grid-row:1/4;margin-top:3px}.rhythm-copy h3{font-size:16px}.rhythm-copy p{font-size:11px;max-width:none}.rhythm-copy>.text-link{grid-column:2}.activity-grid{gap:5px}.activity-months{font-size:8px}.studio-closing{padding:29px 0 10px;gap:13px}.studio-closing>p{font-size:9px}.studio-closing strong{font-size:17px}.studio-closing>span{font-size:38px}.studio-closing>a{margin-left:0;height:33px;width:33px}.main-footer{padding:21px 20px;font-size:8px;gap:12px}.main-footer>span:nth-child(2){font-size:7px}.toast{left:50%;bottom:15px;width:max-content;max-width:calc(100vw - 30px);font-size:11px;padding:14px}.toast>button{margin-left:4px}.section-head h1{font-size:31px;letter-spacing:-1.4px}.section-head .eyebrow{font-size:7px}.section-head p{font-size:12px}.library-total{display:none}.library-banner{padding:20px;gap:12px;flex-wrap:wrap}.library-banner h3{font-size:17px}.library-banner p{font-size:11px;max-width:250px}.library-banner>.text-link{margin-left:54px;font-size:10px}.library-tabs{padding-inline:20px;gap:23px}.library-tabs>button{font-size:11px;padding:18px 0}.filters{padding:20px 19px 0;gap:8px}.filters>select{font-size:9px;padding:9px 5px;max-width:33%}.library-summary{font-size:9px;padding:18px 20px 15px}.library-summary select{font-size:9px}.problem-table td strong{font-size:13px}.learning-cards{gap:15px;margin-top:25px}.learning-card{padding:22px;column-gap:15px}.learning-card h2{font-size:22px;padding-right:0}.learning-count{position:static;grid-column:2;grid-row:2;font-size:9px;margin-top:7px}.learning-card p{grid-row:3;font-size:12px}.learning-card .text-link{margin-top:14px}.track-panel>.panel-heading>.muted{display:none}.track-step{margin-inline:20px;gap:13px}.track-step h3{font-size:14px}.track-step p{font-size:10px}.track-step .topic-tags{display:none}.track-step>svg{margin-left:auto}.track-note{padding:18px 20px;font-size:10px;align-items:flex-start}.track-note>svg{margin-top:3px}.progress-overview{grid-template-columns:1fr}.progress-score h2{font-size:24px}.difficulty-progress h2{font-size:23px}.notice{font-size:11px;flex-wrap:wrap;gap:9px;align-items:flex-start}.notice>span{flex:1}.notice>.text-link{margin-left:27px;font-size:10px}.journey-panel>.activity{padding-inline:22px}.submission-row{padding:18px;gap:10px}.submission-row h3{font-size:13px}.submission-row p{font-size:9px}.verdict-pill{font-size:8px}.preference-card{padding:25px 22px}.service-row p{font-size:9px}.service-badge{font-size:8px}.upcoming-card{padding:45px 24px 37px}.upcoming-card h2{font-size:30px}.upcoming-card p{font-size:12px}.upcoming-principles{grid-template-columns:1fr;gap:28px;margin:33px 5px}.upcoming-principles>div{display:grid;grid-template-columns:auto 1fr;column-gap:15px}.upcoming-principles svg{grid-row:1/3;margin-top:4px}.upcoming-principles h3{font-size:20px}.upcoming-principles p{margin-top:7px}.pricing-cards{grid-template-columns:1fr;gap:20px}.pricing-card{padding:28px}.pricing-card h2{font-size:44px}.pricing-card li{font-size:12px}.pricing-card>.button{width:auto}.auth-main{padding:25px 18px}.auth-wrap{grid-template-columns:1fr;max-width:470px;min-height:580px}.auth-story{display:none}.auth-card{padding:35px 27px}.auth-card h2{font-size:30px}.auth-card>p{font-size:12px}.auth-privacy{font-size:8px!important}.workspace-shell .main-shell{height:100dvh}.workspace-shell .topbar{height:58px;padding-inline:17px}.workspace-toolbar{padding-inline:15px;gap:12px;height:53px}.back-link{font-size:10px;padding-right:12px;gap:5px}.workspace-problem-name{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px;font-size:12px}.workspace-mobile-tabs{display:flex;height:45px;flex-shrink:0;background:var(--surface);border-bottom:1px solid var(--line)}.workspace-mobile-tabs>button{flex:1;font-size:11px;color:var(--muted);border-bottom:2px solid transparent}.workspace-mobile-tabs>button.active{color:var(--green);border-bottom-color:var(--green)}.workspace-panes{display:block;position:relative}.editor-pane,.statement-pane{display:none;width:100%;height:100%}.editor-pane.mobile-visible,.statement-pane.mobile-visible{display:flex}.pane-divider{display:none}.statement-content{padding:27px;font-size:13px}.statement-content h1{font-size:30px}.workspace-shell .pane-tabs{height:46px;padding-inline:23px;gap:26px}.workspace-shell .pane-tabs>button{font-size:11px}.results-pane{height:215px}.results-pane .pane-tabs{height:40px}.editor-surface{min-height:135px}.editor-toolbar{padding-inline:18px}.execution-bar{height:65px;padding-inline:15px}.workspace-shell .execution-bar .button{font-size:11px;padding:10px 13px}.execution-bar kbd{display:inline}.results-content{padding-inline:18px}.case-buttons>span{display:none}.service-error{font-size:10px;padding:13px;margin:15px}.service-error>button{font-size:9px}.detail-panel{padding:23px}.detail-panel>.panel-heading{flex-wrap:wrap}}@media(max-width:390px){.main-content,.topbar{padding-inline:15px}.studio-heading h1{font-size:24px}.studio-hero{padding:25px 20px;min-height:445px}.studio-hero-copy h2{font-size:40px;letter-spacing:-1.9px}.hero-kicker{font-size:5px;letter-spacing:.8px}.studio-hero-copy p{max-width:90%;font-size:10px}.studio-hero-actions{gap:12px;flex-wrap:wrap}.hero-cta.button{font-size:10px;padding:12px}.hero-secondary{font-size:9px}.code-sculpture{top:auto;bottom:18px;transform:scale(.56);right:-41px}.hero-trust{max-width:58%;gap:8px}.metric-card{padding:14px 11px}.metric-card h3{font-size:9px}.metric-card p{font-size:7px}.metric-line>strong{font-size:28px}.metric-line>span{font-size:8px}.studio-metrics{gap:8px}.panel-heading{padding-inline:18px}.panel-heading h2{font-size:20px}.panel-heading .text-link{font-size:9px}.recommendations{padding-inline:18px}.problem-recommendation{gap:10px}.problem-recommendation h3{font-size:13px}.recommendation-number{height:36px;width:36px}.round-arrow{margin:0}.practice-footnote{padding-inline:18px}.studio-path-card{padding:22px}.path-card-bottom h2{font-size:31px}.path-route-art{right:16px;width:40%}.section-heading-inline h2{font-size:21px}.studio-topic h3{font-size:22px}.topic-art{right:9px;width:42%;opacity:.65}.studio-topic>p{font-size:9px}.activity-grid{gap:4px}.studio-closing>p{font-size:8px}.studio-closing strong{font-size:16px}.execution-bar kbd,.main-footer>span:nth-child(2){display:none}.case-buttons>button{font-size:9px}.auth-card{padding:30px 23px}}@media(prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.google-signin{width:100%;gap:12px;margin-top:26px;justify-content:center}.auth-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:10px;margin:20px 0}.auth-divider:after,.auth-divider:before{content:"";height:1px;flex:1;background:var(--line)}.auth-card .auth-divider+form{margin-top:0}.pricing-launch-grid{display:grid;grid-template-columns:minmax(280px,390px) 1fr;gap:70px;margin-top:35px;align-items:center}.pricing-launch-grid .pricing-card{padding:36px}.pricing-card h2 small{font-family:var(--font-body);font-size:12px;color:var(--muted);font-weight:400}.pricing-current{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:17px;font-size:11px;color:var(--green)}.pricing-trust{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:12px}.pricing-details>h2{font-size:37px;font-weight:500;line-height:1.2;letter-spacing:-1.5px;margin:22px 0 16px}.pricing-details>p{max-width:460px;color:var(--muted);font-size:13px;line-height:1.9}.pricing-capability{display:flex;gap:15px;margin-top:26px;align-items:flex-start}.pricing-capability>svg{color:var(--green);flex-shrink:0;margin-top:2px}.pricing-capability strong{font-size:13px;font-weight:500}.pricing-capability p{color:var(--muted);font-size:12px;line-height:1.8;margin-top:5px;max-width:390px}.status-dot{width:10px;height:10px;border-radius:50%;background:var(--coral);margin:6px 4px;flex-shrink:0}.status-dot.ready{background:var(--green)}.pricing-questions{max-width:810px;margin:60px auto 20px}.pricing-questions>h2{font-weight:500;font-size:30px;margin:14px 0 27px}.pricing-questions details{border-bottom:1px solid var(--line);padding:21px 0}.pricing-questions summary{cursor:pointer;font-size:14px}.pricing-questions details p{color:var(--muted);font-size:12px;line-height:1.9;margin-top:15px;max-width:720px}@media(max-width:900px){.pricing-launch-grid{gap:35px}.pricing-details>h2{font-size:31px}}@media(max-width:650px){.pricing-launch-grid{grid-template-columns:1fr;gap:35px}.pricing-trust{margin-top:20px}.pricing-launch-grid .pricing-card{padding:28px}.pricing-questions{margin-top:40px}.pricing-details>h2{font-size:31px}.pricing-questions summary{font-size:13px}.pricing-heading{flex-direction:column;align-items:flex-start;gap:0}.pricing-heading .pricing-trust{white-space:nowrap;margin-top:18px}}.catalog-navigation{display:flex;align-items:center;gap:9px;margin:0 0 24px;padding:5px;border:1px solid var(--line);border-radius:13px;background:var(--surface);width:fit-content;max-width:100%}.catalog-navigation>a{display:flex;align-items:center;gap:9px;padding:12px 17px;border-radius:9px;color:var(--muted);font-size:12px;transition:background .2s,color .2s}.catalog-navigation>a.active{background:var(--accent-soft);color:var(--green)}.catalog-navigation>a:hover{color:var(--text);background:var(--accent-soft)}.catalog-navigation>a>span{font-size:10px;border:1px solid var(--line);padding:2px 6px;border-radius:5px}.data-catalog-total{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;white-space:nowrap}.data-catalog-total strong,.data-catalog-total svg{color:var(--green)}.data-library-intro{display:flex;align-items:center;gap:17px;padding:24px 27px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(100deg,var(--accent-soft),transparent),var(--surface)}.data-library-intro h2{font-size:21px;font-weight:500}.data-library-intro p{color:var(--muted);font-size:12px;line-height:1.8;margin-top:6px;max-width:650px}.data-library-intro>.text-link{margin-left:auto;white-space:nowrap}.data-library-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}.data-difficulty-card{display:grid;grid-template-columns:1fr auto;text-align:left;padding:21px 24px;border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:border-color .2s,background .2s}.data-difficulty-card>span:first-child{font-size:12px;font-weight:500}.data-difficulty-card>strong{font-size:29px;font-weight:500;grid-column:2;grid-row:1/3;align-self:center}.data-difficulty-card>span:last-child{font-size:10px;color:var(--muted);margin-top:8px}.data-difficulty-card.easy>strong{color:var(--mint)}.data-difficulty-card.medium>strong{color:var(--green)}.data-difficulty-card.hard>strong{color:var(--coral)}.data-difficulty-card.selected,.data-difficulty-card:hover{border-color:var(--green);background:var(--accent-soft)}.data-library-panel .filters{padding-top:25px}.data-problem-row{display:grid;grid-template-columns:minmax(170px,1.5fr) 90px minmax(130px,1fr) 90px;align-items:center;gap:24px;margin:0 25px;padding:21px 0;border-top:1px solid var(--line);transition:background .2s}.data-problem-row:hover{background:var(--accent-soft)}.data-problem-title strong{display:block;font-size:14px;font-weight:500}.data-problem-title>span{display:block;font-size:10px;color:var(--muted);margin-top:7px}.data-problem-row>.difficulty{width:fit-content}.data-problem-source{display:flex;gap:7px;align-items:center;color:var(--green);font-size:11px;justify-content:flex-end}.data-catalog-note{font-size:10px;line-height:1.8;color:var(--muted);margin-top:23px}@media(max-width:1100px){.data-problem-row{gap:16px;grid-template-columns:minmax(150px,1.4fr) 80px minmax(100px,1fr) 70px}.data-library-intro{flex-wrap:wrap}.data-library-intro>.text-link{margin-left:58px}}@media(max-width:650px){.catalog-navigation{width:100%;gap:3px}.catalog-navigation>a{flex:1;justify-content:center;padding:12px 8px;font-size:10px;gap:6px}.data-library-heading{flex-direction:column;align-items:flex-start;gap:17px}.data-catalog-total{font-size:11px}.data-library-intro{padding:22px;gap:12px}.data-library-intro>div{flex:1;min-width:220px}.data-library-intro h2{font-size:19px}.data-library-intro p{font-size:11px}.data-library-intro>.text-link{margin-left:0;font-size:11px}.data-library-metrics{gap:9px;margin:18px 0}.data-difficulty-card{padding:15px 12px;display:flex;flex-direction:column;gap:7px}.data-difficulty-card>strong{align-self:flex-start;font-size:25px}.data-difficulty-card>span:last-child{font-size:8px;margin-top:0;line-height:1.6}.data-difficulty-card>span:first-child{font-size:10px}.data-problem-row{grid-template-columns:1fr auto;gap:13px;margin:0 20px;padding:20px 0}.data-problem-title strong{font-size:13px}.data-problem-row .topic-tags{grid-column:1;grid-row:2}.data-problem-source{grid-column:2;grid-row:2;font-size:10px}.data-problem-row>.difficulty{justify-self:end;font-size:9px}.data-problem-title>span{font-size:9px}.data-library-panel .filters>select{font-size:9px;max-width:33%}.data-catalog-note{font-size:9px}}