@font-face{font-family:__geistSans_1e4310;src:url(/_next/static/media/4473ecc91f70f139-s.p.woff) format("woff");font-display:swap;font-weight:100 900}@font-face{font-family:__geistSans_Fallback_1e4310;src:local("Arial");ascent-override:85.83%;descent-override:20.52%;line-gap-override:9.33%;size-adjust:107.19%}.__className_1e4310{font-family:__geistSans_1e4310,__geistSans_Fallback_1e4310}.__variable_1e4310{--font-geist-sans:"__geistSans_1e4310","__geistSans_Fallback_1e4310"}@font-face{font-family:__geistMono_c3aa02;src:url(/_next/static/media/463dafcda517f24f-s.p.woff) format("woff");font-display:swap;font-weight:100 900}@font-face{font-family:__geistMono_Fallback_c3aa02;src:local("Arial");ascent-override:69.97%;descent-override:16.73%;line-gap-override:7.61%;size-adjust:131.49%}.__className_c3aa02{font-family:__geistMono_c3aa02,__geistMono_Fallback_c3aa02}.__variable_c3aa02{--font-geist-mono:"__geistMono_c3aa02","__geistMono_Fallback_c3aa02"}:root{--bg-0:#07090d;--bg-1:#0c1118;--bg-2:#121823;--bg-3:#1a2230;--bg-4:#232d3e;--line-1:hsla(0,0%,100%,.06);--line-2:hsla(0,0%,100%,.1);--line-3:hsla(0,0%,100%,.16);--text-1:#eef2f7;--text-2:#b4becc;--text-3:#7c8699;--text-4:#4a5466;--peacock-50:#d6fbff;--peacock-100:#a8f0fb;--peacock-200:#6fdcef;--peacock-300:#2cc4dc;--peacock-400:#0aa6c4;--peacock-500:#0883a3;--peacock-600:#0a6584;--peacock-700:#0c4d68;--peacock-800:#0d3a4f;--peacock-900:#0a2935;--royal-300:#6f87ff;--royal-400:#4a64ee;--royal-500:#2c47d6;--royal-600:#1f37b3;--royal-700:#182a8b;--iris-300:#ff86d8;--iris-400:#f25cb6;--iris-500:#d6388f;--amber-300:#ffd06b;--amber-400:#ffae3d;--amber-500:#f08a17;--success-400:#34d399;--success-500:#10b981;--warning-400:#fbbf24;--danger-400:#f87171;--danger-500:#ef4444;--info-400:#60a5fa;--swift-glow:var(--iris-400);--swift-bg:color-mix(in oklch,var(--iris-400) 14%,transparent);--kotlin-glow:var(--amber-400);--kotlin-bg:color-mix(in oklch,var(--amber-400) 14%,transparent);--brand:var(--peacock-400);--brand-strong:var(--peacock-300);--brand-bg:color-mix(in oklch,var(--peacock-400) 14%,transparent);--brand-glow:0 0 32px color-mix(in oklch,var(--peacock-400) 36%,transparent);--code-bg:#0a0f17;--code-fg:#d8e1ec;--code-comment:#5a6577;--code-keyword:var(--iris-300);--code-string:var(--peacock-200);--code-number:var(--amber-300);--code-fn:var(--royal-300);--code-type:var(--peacock-300);--code-attr:#c4f0c0;--font-sans:var(--font-geist-sans),"Inter Tight","Söhne",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,sans-serif;--font-display:var(--font-geist-sans),"Fraktion Mono","JetBrains Mono","IBM Plex Sans","Inter Tight",sans-serif;--font-mono:var(--font-geist-mono),"JetBrains Mono","Fira Code","SF Mono",ui-monospace,Menlo,monospace;--t-2xs:10px;--t-xs:11px;--t-sm:12px;--t-md:14px;--t-base:15px;--t-lg:17px;--t-xl:20px;--t-2xl:24px;--t-3xl:30px;--t-4xl:38px;--t-5xl:48px;--t-6xl:64px;--r-xs:4px;--r-sm:6px;--r-md:10px;--r-lg:14px;--r-xl:20px;--r-2xl:28px;--r-pill:999px;--s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:20px;--s-6:24px;--s-8:32px;--s-10:40px;--s-12:48px;--s-16:64px;--s-20:80px;--sh-1:0 1px 0 hsla(0,0%,100%,.04) inset,0 1px 2px rgba(0,0,0,.4);--sh-2:0 1px 0 hsla(0,0%,100%,.05) inset,0 8px 24px rgba(0,0,0,.45);--sh-3:0 1px 0 hsla(0,0%,100%,.06) inset,0 16px 48px rgba(0,0,0,.55);--sh-glow-brand:0 0 0 1px color-mix(in oklch,var(--peacock-400) 40%,transparent),0 12px 40px -8px color-mix(in oklch,var(--peacock-400) 50%,transparent);--sh-glow-iris:0 0 0 1px color-mix(in oklch,var(--iris-400) 40%,transparent),0 12px 40px -8px color-mix(in oklch,var(--iris-400) 50%,transparent);--sh-glow-amber:0 0 0 1px color-mix(in oklch,var(--amber-400) 40%,transparent),0 12px 40px -8px color-mix(in oklch,var(--amber-400) 50%,transparent);--density:1;--row-h:calc(40px * var(--density));--pad-card:calc(20px * var(--density));--gap-stack:calc(16px * var(--density));--ease-out:cubic-bezier(.2,.7,.2,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);--d-fast:120ms;--d-med:220ms;--d-slow:380ms;--grad-peacock:linear-gradient(115deg,#0a2935,#0883a3 28%,#2cc4dc 48%,#4a64ee 70%,#d6388f 92%);--grad-peacock-soft:linear-gradient(115deg,rgba(10,166,196,.18),rgba(74,100,238,.18) 50%,rgba(214,56,143,.18));--grad-page:radial-gradient(1200px 800px at 12% -10%,rgba(10,166,196,.1),transparent 60%),radial-gradient(900px 700px at 100% 0%,rgba(74,100,238,.1),transparent 55%),radial-gradient(700px 600px at 50% 110%,rgba(214,56,143,.06),transparent 60%)}:root[data-theme=light]{--bg-0:#f4f6f9;--bg-1:#fff;--bg-2:#f7f9fc;--bg-3:#eef2f7;--bg-4:#e3e9f1;--line-1:rgba(8,20,40,.06);--line-2:rgba(8,20,40,.1);--line-3:rgba(8,20,40,.16);--text-1:#0c1422;--text-2:#3c4759;--text-3:#6b7689;--text-4:#a3acba;--code-bg:#0c1422;--code-fg:#e6ecf5;--grad-page:radial-gradient(1200px 800px at 12% -10%,rgba(10,166,196,.16),transparent 60%),radial-gradient(900px 700px at 100% 0%,rgba(74,100,238,.1),transparent 55%);--sh-1:0 1px 0 hsla(0,0%,100%,.6) inset,0 1px 2px rgba(15,30,60,.06);--sh-2:0 1px 0 hsla(0,0%,100%,.6) inset,0 8px 24px rgba(15,30,60,.08);--sh-3:0 1px 0 hsla(0,0%,100%,.6) inset,0 16px 48px rgba(15,30,60,.12)}:root[data-density=compact]{--density:0.82;--pad-card:14px;--gap-stack:12px;--row-h:34px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);font-size:var(--t-base);line-height:1.5;color:var(--text-1);background:var(--bg-0);background-image:var(--grad-page);background-attachment:fixed;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font:inherit;background:none;border:0;cursor:pointer}a,button{color:inherit}a{text-decoration:none}input,select,textarea{font:inherit;color:inherit}@import url("https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap");.mono{font-family:var(--font-mono)}.peacock-text{background:var(--grad-peacock);-webkit-background-clip:text;background-clip:text;color:transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:var(--r-pill);border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:var(--line-3);background-clip:padding-box;border:2px solid transparent}::selection{background:color-mix(in oklch,var(--peacock-400) 40%,transparent);color:var(--text-1)}:focus-visible{outline:2px solid var(--peacock-300);outline-offset:2px;border-radius:var(--r-sm)}.prose code,.prose pre,.prose-sm code,.prose-sm pre{font-family:var(--font-mono)}.prose code,.prose-sm code{font-size:.95em}.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-sans);font-weight:700;letter-spacing:-.01em;font-size:var(--t-lg);color:var(--text-1)}.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--grad-peacock);position:relative;box-shadow:var(--sh-glow-brand);flex:none}.logo-mark:before{content:"";position:absolute;inset:4px;border-radius:5px;background:radial-gradient(circle at 30% 30%,hsla(0,0%,100%,.6),transparent 50%),radial-gradient(circle at 70% 70%,rgba(0,0,0,.4),transparent 55%);mix-blend-mode:overlay}.logo-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,#fff 0,var(--amber-300) 30%,var(--iris-400) 60%,transparent 75%)}.logo-sm{font-size:var(--t-md)}.logo-sm .logo-mark{width:22px;height:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;height:38px;border-radius:var(--r-md);font-weight:600;font-size:var(--t-md);letter-spacing:-.005em;border:1px solid transparent;background:var(--bg-3);color:var(--text-1);transition:transform var(--d-fast) var(--ease-out),background var(--d-fast),box-shadow var(--d-fast),border-color var(--d-fast);white-space:nowrap;user-select:none}.btn:hover{background:var(--bg-4)}.btn:active{transform:translateY(1px)}.btn-sm{height:30px;padding:0 12px;font-size:var(--t-sm);border-radius:var(--r-sm)}.btn-lg{height:46px;padding:0 22px;font-size:var(--t-base);border-radius:var(--r-md)}.btn-primary{background:var(--peacock-400);color:#02121a;box-shadow:var(--sh-glow-brand)}.btn-primary:hover{background:var(--peacock-300)}.btn-iridescent{background:var(--grad-peacock);color:#fff;box-shadow:var(--sh-glow-brand);position:relative;overflow:hidden}.btn-iridescent:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,hsla(0,0%,100%,.25) 50%,transparent 70%);transform:translateX(-100%);transition:transform .6s var(--ease-out)}.btn-iridescent:hover:after{transform:translateX(100%)}.btn-iridescent .auto-advance-fill{position:absolute;inset:0;width:0;background:hsla(0,0%,100%,.22);pointer-events:none;z-index:0;transition:width 0ms linear}.btn-iridescent.auto-advancing .auto-advance-fill{width:100%;transition:width 3s linear}.btn-iridescent .btn-iridescent-label{position:relative;z-index:1}.btn-ghost{background:transparent;color:var(--text-2);border-color:var(--line-2)}.btn-ghost:hover{background:var(--bg-2)}.btn-ghost:hover,.btn-outline{color:var(--text-1);border-color:var(--line-3)}.btn-outline{background:transparent}.btn-icon{width:38px;padding:0}.btn-icon.btn-sm{width:30px}.card{background:var(--bg-1);border:1px solid var(--line-1);border-radius:var(--r-lg);padding:var(--pad-card);box-shadow:var(--sh-1)}.card-elevated{background:var(--bg-2);box-shadow:var(--sh-2)}.card-glow{position:relative;background:linear-gradient(var(--bg-2),var(--bg-2)) padding-box,var(--grad-peacock) border-box;border:1px solid transparent}.input{display:flex;align-items:center;height:38px;padding:0 12px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-md);color:var(--text-1);outline:none;transition:border-color var(--d-fast),background var(--d-fast);width:100%;font-size:var(--t-md)}.input::placeholder{color:var(--text-3)}.input:focus{border-color:var(--peacock-400);background:var(--bg-3)}.input-search{padding-left:36px}.search{position:relative}.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:var(--r-pill);font-size:var(--t-xs);font-weight:600;letter-spacing:.02em;background:var(--bg-3);color:var(--text-2);border:1px solid var(--line-2);text-transform:uppercase}.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.badge-brand{color:var(--peacock-200);background:var(--brand-bg);border-color:color-mix(in oklch,var(--peacock-400) 30%,transparent)}.badge-iris{color:var(--iris-300);background:color-mix(in oklch,var(--iris-400) 14%,transparent);border-color:color-mix(in oklch,var(--iris-400) 30%,transparent)}.badge-amber{color:var(--amber-300);background:color-mix(in oklch,var(--amber-400) 14%,transparent);border-color:color-mix(in oklch,var(--amber-400) 30%,transparent)}.badge-success{color:var(--success-400);background:color-mix(in oklch,var(--success-400) 14%,transparent);border-color:color-mix(in oklch,var(--success-400) 30%,transparent)}.badge-mono{font-family:var(--font-mono);text-transform:none}.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-pill);font-size:var(--t-sm);font-weight:500;background:var(--bg-2);border:1px solid var(--line-2);color:var(--text-2);cursor:pointer;transition:all var(--d-fast)}.chip:hover{border-color:var(--line-3);color:var(--text-1)}.chip.active{background:var(--brand-bg);border-color:color-mix(in oklch,var(--peacock-400) 50%,transparent);color:var(--peacock-200)}.bar{height:6px;background:var(--bg-3);overflow:hidden;position:relative}.bar,.bar-fill{border-radius:var(--r-pill)}.bar-fill{height:100%;background:var(--grad-peacock);transition:width var(--d-slow) var(--ease-out)}.bar-thin{height:3px}.bar-thick{height:10px}.ring{--p:0;--size:56px;--thick:6px;width:var(--size);height:var(--size);border-radius:50%;background:conic-gradient(var(--peacock-400) calc(var(--p) * 1%),var(--bg-3) 0);display:grid;place-items:center;position:relative}.ring:before{content:"";position:absolute;inset:var(--thick);background:var(--bg-1);border-radius:50%}.code-block,.ring>*{position:relative}.code-block{font-family:var(--font-mono);font-size:var(--t-sm);line-height:1.65;background:var(--code-bg);color:var(--code-fg);border:1px solid var(--line-1);border-radius:var(--r-md);padding:16px 18px;overflow:auto}.code-block .ln{color:var(--text-4);user-select:none;padding-right:16px;display:inline-block;min-width:28px;text-align:right}.tok-k{color:var(--code-keyword)}.tok-s{color:var(--code-string)}.tok-n{color:var(--code-number)}.tok-c{color:var(--code-comment);font-style:italic}.tok-f{color:var(--code-fn)}.tok-t{color:var(--code-type)}.tok-a{color:var(--code-attr)}.tok-p{color:var(--text-2)}.code-frame{background:var(--code-bg);border:1px solid var(--line-1);border-radius:var(--r-md);overflow:hidden}.code-frame-head{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--line-1);background:hsla(0,0%,100%,.02)}.code-frame-tabs{display:flex;gap:4px}.code-tab{padding:4px 10px;font-size:var(--t-xs);font-family:var(--font-mono);border-radius:var(--r-sm);color:var(--text-3)}.code-tab.active{background:hsla(0,0%,100%,.05);color:var(--text-1)}.code-frame-body{padding:16px 18px}.kpi{display:flex;flex-direction:column;gap:4px}.kpi-label{font-size:var(--t-xs);color:var(--text-3);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.kpi-value{font-size:var(--t-3xl);font-weight:700;letter-spacing:-.02em;color:var(--text-1);font-variant-numeric:tabular-nums}.kpi-value.peacock-text{background:var(--grad-peacock);-webkit-background-clip:text;background-clip:text;color:transparent}.kpi-delta{font-size:var(--t-xs);color:var(--success-400);font-weight:600}.node{--node-c:var(--peacock-400);width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,hsla(0,0%,100%,.18),transparent 50%),color-mix(in oklch,var(--node-c) 22%,var(--bg-2));border:1px solid color-mix(in oklch,var(--node-c) 40%,transparent);color:var(--text-1);position:relative;cursor:pointer;transition:transform var(--d-med) var(--ease-spring),box-shadow var(--d-med)}.node:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 12px 36px -8px color-mix(in oklch,var(--node-c) 60%,transparent)}.node.completed{background:color-mix(in oklch,var(--node-c) 80%,var(--bg-2));box-shadow:0 0 28px -4px color-mix(in oklch,var(--node-c) 70%,transparent)}.node.locked{background:var(--bg-2);border-color:var(--line-2);color:var(--text-4);cursor:not-allowed}.node.locked:hover{transform:none;box-shadow:none}.node.current:after{content:"";position:absolute;inset:-6px;border-radius:22px;border:2px solid var(--node-c);animation:pulse 1.8s var(--ease-out) infinite}@keyframes pulse{0%{opacity:.9;transform:scale(1)}to{opacity:0;transform:scale(1.1)}}.avatar{width:32px;height:32px;border-radius:50%;background:var(--grad-peacock);display:grid;place-items:center;font-size:var(--t-sm);font-weight:700;color:#fff;flex:none;border:1.5px solid var(--bg-1)}.avatar-lg{width:64px;height:64px;font-size:var(--t-xl)}.avatar-sm{width:24px;height:24px;font-size:var(--t-2xs)}.row,.row-between{display:flex;align-items:center;gap:var(--gap-stack)}.row-between{justify-content:space-between}.col{display:flex;flex-direction:column;gap:var(--gap-stack)}.muted{color:var(--text-3)}.subtle{color:var(--text-2)}.divider{height:1px;background:var(--line-1);border:0;margin:var(--s-4) 0}.eyebrow{font-size:var(--t-2xs);font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);font-family:var(--font-mono)}.h-display{font-family:var(--font-sans);font-size:var(--t-5xl);letter-spacing:-.025em;line-height:1.05;color:var(--text-1)}.h-display,.h1{font-weight:700}.h1{font-size:var(--t-3xl);letter-spacing:-.02em;margin:0}.h2{font-size:var(--t-2xl);letter-spacing:-.015em}.h2,.h3{font-weight:600;margin:0}.h3{font-size:var(--t-xl);letter-spacing:-.01em}.h4{font-size:var(--t-lg);font-weight:600;letter-spacing:-.005em;margin:0}.tint-swift{--node-c:var(--iris-400)}.tint-kotlin{--node-c:var(--amber-400)}.tint-shared{--node-c:var(--peacock-400)}.tree-wrap{padding:40px 0}.tree-track{position:relative;margin:0 auto;max-width:760px}.tree-section{margin-bottom:80px}.tree-section-head{display:flex;align-items:center;gap:16px;margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--line-1)}.tree-row{display:flex;justify-content:center;margin:28px 0;position:relative}.tree-node-meta{position:absolute;font-size:var(--t-xs);white-space:nowrap;color:var(--text-2);pointer-events:none}.callout{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line-2);background:var(--bg-1);color:var(--text-1);font-size:var(--t-sm);line-height:1.55}.callout-sm{padding:8px 12px;gap:8px;font-size:var(--t-xs)}.callout-icon{display:inline-flex;align-items:center;justify-content:center;flex:none;line-height:1;margin-top:1px}.callout-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:4px}.callout-title{font-weight:600;color:var(--text-1);letter-spacing:-.005em}.callout-content{color:var(--text-2)}.callout-trailing{flex:none;display:inline-flex;align-items:center;gap:6px}.callout-neutral{background:var(--bg-2);border-color:var(--line-2)}.callout-neutral .callout-icon{color:var(--text-3)}.callout-brand{background:var(--brand-bg);border-color:color-mix(in oklch,var(--peacock-400) 30%,transparent)}.callout-brand .callout-icon,.callout-brand .callout-title{color:var(--peacock-200)}.callout-success{background:color-mix(in oklch,var(--success-400) 10%,var(--bg-1));border-color:color-mix(in oklch,var(--success-400) 30%,transparent)}.callout-success .callout-icon,.callout-success .callout-title{color:var(--success-400)}.callout-danger{background:color-mix(in oklch,var(--danger-400) 10%,var(--bg-1));border-color:color-mix(in oklch,var(--danger-400) 30%,transparent)}.callout-danger .callout-icon,.callout-danger .callout-title{color:var(--danger-400)}.callout-warning{background:color-mix(in oklch,var(--warning-400) 10%,var(--bg-1));border-color:color-mix(in oklch,var(--warning-400) 30%,transparent)}.callout-warning .callout-icon,.callout-warning .callout-title{color:var(--warning-400)}.callout-info{background:color-mix(in oklch,var(--info-400) 10%,var(--bg-1));border-color:color-mix(in oklch,var(--info-400) 30%,transparent)}.callout-info .callout-icon,.callout-info .callout-title{color:var(--info-400)}.step-dots{display:inline-flex;align-items:center;gap:8px}.step-dot{width:8px;height:8px;border-radius:50%;background:var(--line-2);transition:background var(--d-fast),transform var(--d-fast)}.step-dot.done{background:var(--success-400)}.step-dot.current{background:var(--peacock-400);box-shadow:0 0 0 3px color-mix(in oklch,var(--peacock-400) 22%,transparent)}.hexbar-sm .hex{width:12px;height:12px}.hexbar-lg .hex{width:22px;height:22px}.mc-option-body{flex:1;font-size:var(--t-sm)}.code-output{border:1px solid var(--line-1);border-radius:var(--r-md);overflow:hidden;background:var(--code-bg)}.code-output-label{font-family:var(--font-mono);font-size:var(--t-2xs);font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:6px 14px;color:var(--text-3);border-bottom:1px solid var(--line-1);background:hsla(0,0%,100%,.02)}.code-output-body{margin:0;padding:12px 14px;font-family:var(--font-mono);font-size:var(--t-xs);line-height:1.6;color:var(--code-fg);white-space:pre-wrap;overflow-x:auto}.code-output-stderr .code-output-body,.code-output-stderr .code-output-label{color:var(--danger-400)}.dnd-slot{display:inline-flex;align-items:center;justify-content:center;min-width:70px;height:28px;padding:0 12px;margin:0 3px;border-radius:var(--r-sm);border:1px dashed var(--line-3);background:transparent;color:var(--text-3);font-family:var(--font-mono);font-size:var(--t-sm);letter-spacing:0;vertical-align:middle;transition:border-color var(--d-fast),background var(--d-fast),color var(--d-fast);cursor:pointer;user-select:none}.dnd-slot:hover{border-color:var(--peacock-300);color:var(--text-1)}.dnd-slot:focus-visible{outline:2px solid var(--peacock-300);outline-offset:2px}.dnd-slot.filled{border-style:solid;border-color:color-mix(in oklch,var(--peacock-400) 50%,transparent);background:color-mix(in oklch,var(--peacock-400) 14%,var(--bg-2));color:var(--peacock-100);font-weight:500}.dnd-slot.filled.swift{border-color:color-mix(in oklch,var(--iris-400) 50%,transparent);background:color-mix(in oklch,var(--iris-400) 14%,var(--bg-2));color:var(--iris-300)}.dnd-slot.filled.kotlin{border-color:color-mix(in oklch,var(--amber-400) 50%,transparent);background:color-mix(in oklch,var(--amber-400) 14%,var(--bg-2));color:var(--amber-300)}.dnd-slot.correct{border-color:color-mix(in oklch,var(--success-400) 50%,transparent);background:color-mix(in oklch,var(--success-400) 14%,var(--bg-2));color:var(--success-400)}.dnd-slot.wrong{border-color:color-mix(in oklch,var(--danger-400) 50%,transparent);background:color-mix(in oklch,var(--danger-400) 14%,var(--bg-2));color:var(--danger-400)}.dnd-slot.disabled,.dnd-slot[disabled]{cursor:default;opacity:.85}.dnd-slot.disabled:hover,.dnd-slot[disabled]:hover{border-color:var(--line-3);color:var(--text-3)}.dnd-token{display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line-3);background:var(--bg-3);color:var(--text-1);font-family:var(--font-mono);font-size:var(--t-sm);font-weight:500;letter-spacing:0;cursor:grab;transition:transform var(--d-fast) var(--ease-out),background var(--d-fast),border-color var(--d-fast),opacity var(--d-fast)}.dnd-token:hover{background:var(--bg-4);border-color:var(--peacock-300);transform:translateY(-1px)}.dnd-token:active{cursor:grabbing;transform:translateY(0)}.dnd-token:focus-visible{outline:2px solid var(--peacock-300);outline-offset:2px}.dnd-token.used{opacity:.35;cursor:not-allowed;background:var(--bg-2);color:var(--text-3)}.dnd-token.used:hover{transform:none;border-color:var(--line-3)}.dnd-token[disabled]{cursor:not-allowed;opacity:.5}.dnd-token.dragging{opacity:.4;cursor:grabbing}.dnd-slot.drop-target{border-style:solid;border-color:var(--peacock-300);background:color-mix(in oklch,var(--peacock-400) 18%,var(--bg-2));color:var(--peacock-100);box-shadow:0 0 0 3px color-mix(in oklch,var(--peacock-400) 24%,transparent)}.dnd-pool{display:flex;flex-wrap:wrap;gap:8px;padding:6px;border-radius:var(--r-md);border:1px dashed transparent;transition:border-color var(--d-fast),background var(--d-fast)}.dnd-pool.drop-target{border-color:var(--peacock-300);background:color-mix(in oklch,var(--peacock-400) 8%,transparent)}.video{margin:0;display:flex;flex-direction:column;gap:10px}.video-frame{position:relative;width:100%;border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(135deg,rgba(10,166,196,.1),rgba(74,100,238,.06) 50%,rgba(214,56,143,.08)),repeating-linear-gradient(135deg,var(--bg-2) 0 14px,var(--bg-1) 14px 28px),var(--bg-2);border:1px solid var(--line-2);box-shadow:var(--sh-2)}.video-frame-inner{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.video-iframe,.video-native{width:100%;height:100%;border:0;display:block;background:#000}.video-fallback{color:var(--text-3);font-size:var(--t-sm);padding:16px;text-align:center}.video-caption{gap:8px;font-size:var(--t-xs);color:var(--text-3);font-family:var(--font-mono);letter-spacing:.05em}.phone-preview,.video-caption{display:flex;align-items:center}.phone-preview{justify-content:center;padding:28px;border-radius:var(--r-xl);background:radial-gradient(ellipse at 50% 50%,rgba(74,100,238,.08),transparent 70%),var(--bg-2);border:1px solid var(--line-2);min-height:480px}.phone-preview-body{position:relative;width:240px;height:480px;border-radius:36px;background:#000;border:1px solid hsla(0,0%,100%,.1);box-shadow:inset 0 0 0 4px hsla(0,0%,100%,.04),0 24px 60px -12px rgba(0,0,0,.6);overflow:hidden;display:flex;flex-direction:column}.phone-preview-stage{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}.phone-preview-caption{text-align:center;font-family:var(--font-mono);font-size:var(--t-2xs);color:var(--text-4);padding:8px 0 14px}.slider{display:flex;flex-direction:column;gap:6px;--slider-pct:0%}.slider-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:var(--t-sm)}.slider-label{color:var(--text-2)}.slider-value{color:var(--text-3);font-size:var(--t-xs)}.slider-input{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--peacock-400) 0 var(--slider-pct),var(--bg-3) var(--slider-pct) 100%);outline:none;cursor:pointer}.slider-input::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--peacock-200);border:2px solid var(--peacock-500);box-shadow:0 0 0 4px color-mix(in oklch,var(--peacock-400) 18%,transparent);cursor:grab;transition:transform var(--d-fast)}.slider-input::-webkit-slider-thumb:active{transform:scale(1.1);cursor:grabbing}.slider-input::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--peacock-200);border:2px solid var(--peacock-500);cursor:grab}.slider-input:disabled{opacity:.5;cursor:not-allowed}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.toggle-label{font-size:var(--t-sm);color:var(--text-2)}.toggle{display:inline-flex;align-items:center;justify-content:center;min-width:56px;height:28px;padding:0 14px;border-radius:var(--r-pill);font-family:var(--font-mono);font-size:var(--t-2xs);font-weight:700;letter-spacing:.08em;background:var(--bg-3);color:var(--text-3);border:1px solid var(--line-2);transition:all var(--d-fast)}.toggle:hover{color:var(--text-2);border-color:var(--line-3)}.toggle.on{background:var(--peacock-400);color:#02121a;border-color:color-mix(in oklch,var(--peacock-400) 70%,transparent);box-shadow:var(--sh-glow-brand)}.toggle:disabled{opacity:.5;cursor:not-allowed}.swatch-picker{display:flex;gap:10px;flex-wrap:wrap}.swatch{width:32px;height:32px;border-radius:var(--r-md);border:1px solid hsla(0,0%,100%,.12);cursor:pointer;transition:transform var(--d-fast) var(--ease-out),box-shadow var(--d-fast)}.swatch:hover{transform:translateY(-1px)}.swatch.selected{box-shadow:0 0 0 2px var(--bg-2),0 0 0 4px var(--peacock-300)}.swatch:disabled{opacity:.5;cursor:not-allowed}.live-badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px 3px 8px;border-radius:var(--r-pill);font-family:var(--font-mono);font-size:var(--t-2xs);font-weight:700;letter-spacing:.08em;color:var(--success-400);background:color-mix(in oklch,var(--success-400) 10%,transparent);border:1px solid color-mix(in oklch,var(--success-400) 30%,transparent)}.live-dot{width:6px;height:6px;border-radius:50%;background:var(--success-400);animation:live-pulse 1.6s ease-in-out infinite}@keyframes live-pulse{0%,to{opacity:1;box-shadow:0 0 0 0 color-mix(in oklch,var(--success-400) 40%,transparent)}50%{opacity:.6;box-shadow:0 0 0 6px color-mix(in oklch,var(--success-400) 0,transparent)}}.playground-grid{display:grid;gap:16px;grid-template-columns:1fr}@media (min-width:960px){.playground-grid{grid-template-columns:minmax(280px,1fr) minmax(0,1.2fr)}}.playground-modifiers{display:flex;flex-direction:column;gap:14px}.playground-modifier{display:flex;flex-direction:column;gap:6px}.playground-modifier-label{font-size:var(--t-sm);color:var(--text-2)}.pg-button{display:inline-flex;padding:12px 28px;font-family:var(--font-sans);font-size:var(--t-md);font-weight:600;color:#fff;border:0;cursor:default;user-select:none;transition:background var(--d-fast),border-radius var(--d-fast),box-shadow var(--d-med)}.pg-button,.video-placeholder{align-items:center;justify-content:center}.video-placeholder{position:relative;display:flex;flex-direction:column;width:100%;height:100%;color:var(--text-3)}.video-placeholder .video-play{width:64px;height:64px;border-radius:50%;background:var(--grad-peacock);display:grid;place-items:center;color:#fff;box-shadow:var(--sh-glow-brand);cursor:pointer;transition:transform var(--d-fast) var(--ease-spring)}.video-placeholder .video-play:hover{transform:scale(1.06)}.video-placeholder .video-play svg{margin-left:3px}.video-placeholder .video-meta{margin-top:12px;font-size:var(--t-xs);font-family:var(--font-mono);color:var(--text-3);letter-spacing:.05em}.video-placeholder .video-scrubber{position:absolute;left:16px;right:16px;bottom:12px;display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:var(--t-2xs);color:var(--text-3)}.video-placeholder .video-scrubber .bar{flex:1;height:4px}.toast-stack{position:fixed;z-index:50;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast-stack-top-right{top:16px;right:16px;align-items:flex-end}.toast-stack-bottom-right{bottom:16px;right:16px;align-items:flex-end}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--r-md);background:var(--bg-2);border:1px solid var(--line-2);box-shadow:var(--sh-2);min-width:220px;max-width:360px;transition:transform var(--d-med) var(--ease-spring),opacity var(--d-med) var(--ease-out)}.toast-in{opacity:1;transform:translateY(0)}.toast-out{opacity:0;transform:translateY(-8px)}.toast-icon{font-size:var(--t-lg);line-height:1;flex:none}.toast-body{display:flex;flex-direction:column;gap:2px;min-width:0}.toast-title{font-size:var(--t-sm);font-weight:600;color:var(--text-1)}.toast-desc{font-size:var(--t-xs);color:var(--text-3)}.toast-brand{border-color:color-mix(in oklch,var(--peacock-400) 40%,transparent);box-shadow:var(--sh-glow-brand)}.toast-success{border-color:color-mix(in oklch,var(--success-400) 40%,transparent)}.textarea{display:block;width:100%;padding:10px 12px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-md);color:var(--text-1);font-family:var(--font-sans);font-size:var(--t-md);line-height:1.55;outline:none;resize:vertical;min-height:88px;transition:border-color var(--d-fast),background var(--d-fast)}.textarea::placeholder{color:var(--text-3)}.textarea:focus{border-color:var(--peacock-400);background:var(--bg-3)}.textarea-mono{font-family:var(--font-mono);font-size:var(--t-sm);line-height:1.7;background:var(--code-bg,var(--bg-2));color:var(--code-fg,var(--text-1))}.select{display:inline-flex;align-items:center;height:38px;padding:0 36px 0 12px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-md);color:var(--text-1);font-size:var(--t-md);font-family:var(--font-sans);appearance:none;outline:none;cursor:pointer;width:100%;background-image:linear-gradient(45deg,transparent 50%,currentColor 0),linear-gradient(135deg,currentColor 50%,transparent 0);background-position:calc(100% - 18px) 17px,calc(100% - 13px) 17px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;color:var(--text-2);transition:border-color var(--d-fast),background-color var(--d-fast)}.select:focus{border-color:var(--peacock-400);color:var(--text-1);background-color:var(--bg-3)}.select-sm{height:30px;padding-right:30px;font-size:var(--t-sm);border-radius:var(--r-sm)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:var(--t-xs);font-weight:600;color:var(--text-2);letter-spacing:.02em}.field-help{font-size:var(--t-xs);color:var(--text-3)}.field-error{font-size:var(--t-xs);color:var(--danger-400)}.tabs{padding:3px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-md);gap:2px}.tab,.tabs{display:inline-flex}.tab{align-items:center;justify-content:center;gap:6px;height:28px;padding:0 12px;border-radius:calc(var(--r-md) - 4px);font-size:var(--t-sm);font-weight:600;color:var(--text-3);background:transparent;border:0;cursor:pointer;transition:color var(--d-fast),background var(--d-fast)}.tab:hover{color:var(--text-2)}.tab.active{color:var(--text-1);background:var(--bg-3);box-shadow:inset 0 0 0 1px var(--line-2)}.tabs-stretch{display:flex;width:100%}.tabs-stretch .tab{flex:1}.modal-backdrop{position:fixed;inset:0;background:color-mix(in oklch,#000 60%,transparent);backdrop-filter:blur(4px);display:grid;place-items:center;padding:24px;z-index:100;animation:modal-fade var(--d-fast) var(--ease-out)}@keyframes modal-fade{0%{opacity:0}to{opacity:1}}.modal{position:relative;background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-2);width:100%;max-width:480px;max-height:calc(100vh - 48px);display:flex;flex-direction:column;overflow:hidden;animation:modal-rise var(--d-med) var(--ease-spring)}@keyframes modal-rise{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-md{max-width:640px}.modal-lg{max-width:880px}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line-1)}.modal-title{font-size:var(--t-lg);font-weight:600;color:var(--text-1);margin:0}.modal-body{padding:20px;overflow:auto}.modal-foot{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line-1)}.menu,.modal-foot{background:var(--bg-2)}.menu{position:absolute;border:1px solid var(--line-2);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:4px;min-width:160px;z-index:50;animation:modal-fade var(--d-fast) var(--ease-out)}.menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;background:transparent;border:0;border-radius:var(--r-sm);color:var(--text-2);font-size:var(--t-sm);text-align:left;cursor:pointer;transition:background var(--d-fast),color var(--d-fast)}.menu-item:hover{background:var(--bg-3);color:var(--text-1)}.menu-item.danger{color:var(--danger-400)}.menu-item.danger:hover{background:color-mix(in oklch,var(--danger-400) 12%,transparent)}.menu-divider{height:1px;background:var(--line-1);margin:4px 0}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px 24px;border:1px dashed var(--line-2);border-radius:var(--r-lg);background:var(--bg-1);text-align:center}.empty-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--bg-2);color:var(--text-3);border:1px solid var(--line-2)}.empty-title{font-size:var(--t-md);font-weight:600;color:var(--text-1);margin:0}.empty-desc{font-size:var(--t-sm);color:var(--text-3);max-width:360px;margin:0}.builder{display:flex;flex-direction:column;height:100vh;background:var(--bg-1)}.builder-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;border-bottom:1px solid var(--line-1);background:rgba(7,9,13,.6);backdrop-filter:blur(10px);flex:none}:root[data-theme=light] .builder-topbar{background:hsla(0,0%,100%,.7)}.builder-grid{display:grid;grid-template-columns:280px minmax(0,1fr) 360px;flex:1 1 auto;min-height:0}.builder-rail{display:flex;flex-direction:column;border-right:1px solid var(--line-1);background:var(--bg-1);min-height:0}.builder-rail.right{border-right:0;border-left:1px solid var(--line-1)}.builder-rail-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line-1);min-height:48px;flex:none}.builder-rail-body{flex:1 1 auto;min-height:0;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:6px}.builder-rail-body.compact{padding:8px;gap:4px}.builder-canvas{overflow:auto;padding:24px 28px 80px;display:flex;flex-direction:column;gap:18px;min-width:0}.outline-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-md);border:1px solid transparent;background:var(--bg-2);cursor:pointer;transition:border-color var(--d-fast),background var(--d-fast);user-select:none}.outline-item:hover{border-color:var(--line-2)}.outline-item.active{border-color:color-mix(in oklch,var(--peacock-400) 50%,transparent);background:var(--brand-bg)}.outline-item.dragging{opacity:.5}.outline-item.drop-target{border-color:var(--peacock-400)}.outline-handle{color:var(--text-4);cursor:grab;display:inline-flex;align-items:center}.outline-handle:active{cursor:grabbing}.outline-index{font-family:var(--font-mono);font-size:var(--t-2xs);color:var(--text-4);min-width:16px;text-align:right}.outline-title{flex:1;min-width:0;font-size:var(--t-sm);color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.outline-item.active .outline-title{color:var(--text-1)}.palette-tile{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px dashed var(--line-2);border-radius:var(--r-md);background:transparent;color:var(--text-2);cursor:pointer;text-align:left;width:100%;transition:border-color var(--d-fast),background var(--d-fast),color var(--d-fast)}.palette-tile:hover{border-color:color-mix(in oklch,var(--peacock-400) 50%,transparent);color:var(--text-1);background:var(--brand-bg)}.palette-tile-icon{width:28px;height:28px;display:grid;place-items:center;border-radius:var(--r-sm);background:var(--bg-3);color:var(--peacock-300);flex:none}.palette-tile-body{display:flex;flex-direction:column;gap:2px;min-width:0}.palette-tile-title{font-size:var(--t-sm);font-weight:600;color:var(--text-1)}.palette-tile-desc{font-size:var(--t-2xs);color:var(--text-3)}.block-card{position:relative;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-lg);transition:border-color var(--d-fast),box-shadow var(--d-fast)}.block-card:hover{border-color:var(--line-3)}.block-card.selected{border-color:color-mix(in oklch,var(--peacock-400) 50%,transparent);box-shadow:0 0 0 3px color-mix(in oklch,var(--peacock-400) 16%,transparent)}.block-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line-1)}.block-card-head-left{display:inline-flex;align-items:center;gap:10px;min-width:0}.block-card-body{padding:16px;display:flex;flex-direction:column;gap:12px}.block-divider{position:relative;height:28px;display:grid;place-items:center;cursor:pointer;color:var(--text-4);transition:color var(--d-fast)}.block-divider:hover{color:var(--peacock-300)}.block-divider:before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line-1);transition:background var(--d-fast)}.block-divider:hover:before{background:color-mix(in oklch,var(--peacock-400) 50%,transparent)}.block-divider-pill{position:relative;display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:var(--bg-1);border:1px solid var(--line-2);font-size:var(--t-2xs);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.inspector-section{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line-1)}.inspector-section:last-child{border-bottom:0}.inspector-section-title{font-size:var(--t-2xs);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3)}.builder-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-top:1px solid var(--line-1);background:var(--bg-1);min-height:56px;flex:none}.builder-foot-status{display:inline-flex;align-items:center;gap:6px;font-size:var(--t-xs);color:var(--text-3)}.builder-preview{background:var(--bg-1);padding:16px}.lesson-list-row{display:grid;grid-template-columns:1fr auto auto auto auto;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--line-1);border-radius:var(--r-md);background:var(--bg-1);transition:border-color var(--d-fast),background var(--d-fast)}.lesson-list-row:hover{border-color:var(--line-3);background:var(--bg-2)}.lesson-list-row a{text-decoration:none;color:inherit;min-width:0}.lesson-list-row .lesson-row-title{font-size:var(--t-sm);color:var(--text-1);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-list-row .lesson-row-meta{font-size:var(--t-2xs);color:var(--text-3);font-family:var(--font-mono);display:flex;gap:8px;align-items:center;margin-top:2px}.lesson-list-row .lesson-row-meta>*{flex:none}.lesson-list-row .lesson-row-meta>.truncate{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.side{border-right:1px solid var(--line-1);padding:22px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;background:rgba(7,9,13,.6);backdrop-filter:blur(10px);z-index:5}:root[data-theme=light] .side{background:hsla(0,0%,100%,.7)}.side-section{font-size:var(--t-2xs);font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3);padding:18px 10px 6px}.side-link{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--r-sm);font-size:var(--t-sm);color:var(--text-2);cursor:pointer;transition:background var(--d-fast),color var(--d-fast)}.side-link:hover{background:var(--bg-2);color:var(--text-1)}.side-link.active{background:var(--brand-bg);color:var(--peacock-100)}.side-link.active .side-icon{color:var(--peacock-300)}.side-icon{width:18px;height:18px;color:var(--text-3);flex:none}.side-link-label{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-link .badge{margin-left:auto;flex:none}.topbar{display:flex;align-items:center;gap:16px;padding:16px 32px;border-bottom:1px solid var(--line-1);background:rgba(7,9,13,.5);backdrop-filter:blur(10px);position:sticky;top:0;z-index:4}:root[data-theme=light] .topbar{background:hsla(0,0%,100%,.7)}.topbar .search{flex:1;max-width:480px}.main{padding:32px 32px 80px;max-width:1280px;margin:0 auto;width:100%}.main-narrow{max-width:980px;margin-inline:auto}.page-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}.page-head .h-display{font-size:var(--t-4xl)}.seg{padding:4px;border-radius:var(--r-md);background:var(--bg-2);border:1px solid var(--line-1)}.seg,.seg-btn{display:inline-flex}.seg-btn{padding:8px 14px;font-size:var(--t-sm);font-weight:600;color:var(--text-3);border-radius:var(--r-sm);align-items:center;gap:8px;transition:all var(--d-fast)}.seg-btn.active,.seg-btn:hover{color:var(--text-1)}.seg-btn.active{background:var(--bg-3);box-shadow:var(--sh-1)}.seg-btn.active.swift{color:var(--iris-300)}.seg-btn.active.kotlin{color:var(--amber-300)}.daily{border-radius:var(--r-xl);padding:28px;background:linear-gradient(135deg,rgba(10,166,196,.18),rgba(74,100,238,.1) 50%,rgba(214,56,143,.16)),var(--bg-2);border:1px solid var(--line-2);position:relative;overflow:hidden}.daily:after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(214,56,143,.3),transparent 60%);filter:blur(20px)}.daily-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;position:relative;z-index:1}.daily-grid,.lesson-row{display:grid;align-items:center}.lesson-row{grid-template-columns:56px 1fr auto auto;gap:16px;padding:14px 16px;border-radius:var(--r-md);border:1px solid var(--line-1);background:var(--bg-1);transition:all var(--d-fast);cursor:pointer}.lesson-row:hover{border-color:var(--line-3);background:var(--bg-2);transform:translateY(-1px)}.lesson-icon{width:44px;height:44px;border-radius:var(--r-md);background:var(--bg-3);display:grid;place-items:center;color:var(--text-2);border:1px solid var(--line-2);flex:none}.lesson-row.completed .lesson-icon{background:color-mix(in oklch,var(--success-400) 18%,var(--bg-2));color:var(--success-400);border-color:color-mix(in oklch,var(--success-400) 40%,transparent)}.stack{display:flex;flex-direction:column;gap:16px}.stack-tight{gap:8px}.stack-loose{gap:24px}.player{display:grid;grid-template-rows:auto 1fr auto;min-height:100vh;background:var(--bg-0)}.player-head{display:flex;align-items:center;gap:20px;padding:14px 28px;border-bottom:1px solid var(--line-1);background:rgba(7,9,13,.6);backdrop-filter:blur(10px);position:sticky;top:0;z-index:4}:root[data-theme=light] .player-head{background:hsla(0,0%,100%,.7)}.player-progress{flex:1;max-width:520px;margin:0 auto;display:flex;flex-direction:column;gap:4px}.player-body{padding:48px 32px;max-width:820px;margin:0 auto;width:100%}.player-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-top:1px solid var(--line-1);background:rgba(7,9,13,.6);backdrop-filter:blur(10px);position:sticky;bottom:0;z-index:4}:root[data-theme=light] .player-foot{background:hsla(0,0%,100%,.7)}.hexbar{display:inline-flex;gap:4px;align-items:center}.hex{width:16px;height:16px;display:inline-block;clip-path:polygon(25% 5%,75% 5%,100% 50%,75% 95%,25% 95%,0 50%);background:var(--line-2)}.hex.first_try{background:var(--peacock-400)}.hex.eventual{background:linear-gradient(90deg,var(--peacock-400) 50%,var(--line-2) 50%)}.profile-head{border-radius:var(--r-xl);padding:36px;background:linear-gradient(135deg,rgba(10,166,196,.16),rgba(214,56,143,.12)),var(--bg-2);border:1px solid var(--line-2);position:relative;overflow:hidden;margin-bottom:32px}.heat{display:grid;grid-template-columns:repeat(26,1fr);gap:4px;margin-top:12px}.heat-cell{aspect-ratio:1;border-radius:3px;background:var(--bg-3)}.heat-1{background:color-mix(in oklch,var(--peacock-400) 25%,var(--bg-3))}.heat-2{background:color-mix(in oklch,var(--peacock-400) 50%,var(--bg-3))}.heat-3{background:color-mix(in oklch,var(--peacock-400) 75%,var(--bg-3))}.heat-4{background:var(--peacock-400)}.medal{width:80px;height:80px;border-radius:50%;display:grid;place-items:center;font-size:32px;background:radial-gradient(circle at 30% 30%,hsla(0,0%,100%,.25),transparent 50%),var(--grad-peacock);color:#fff;flex:none;box-shadow:var(--sh-2);position:relative}.medal.locked{background:var(--bg-2);border:1px dashed var(--line-2);color:var(--text-4);box-shadow:none}.medal-row{grid-template-columns:80px 1fr;gap:16px}.lb-row,.medal-row{display:grid;align-items:center}.lb-row{grid-template-columns:32px 1fr auto;gap:14px;padding:12px 14px;border-radius:var(--r-md);border:1px solid transparent}.lb-row.you{background:var(--brand-bg);border-color:color-mix(in oklch,var(--peacock-400) 40%,transparent)}.lb-rank{font-family:var(--font-mono);font-weight:700;color:var(--text-3);text-align:center}.lb-rank.top{color:var(--amber-400)}.mc-option{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--r-md);border:1px solid var(--line-2);background:var(--bg-2);color:var(--text-1);cursor:pointer;transition:border-color var(--d-fast),background var(--d-fast),transform var(--d-fast)}.mc-option:hover{border-color:var(--peacock-300);background:var(--bg-3)}.mc-option.picked{border-color:var(--peacock-400);background:var(--brand-bg)}.mc-option.correct{border-color:var(--success-500);background:color-mix(in oklch,var(--success-400) 10%,var(--bg-2))}.mc-option.wrong{border-color:var(--danger-500);background:color-mix(in oklch,var(--danger-400) 10%,var(--bg-2))}.mc-option.disabled{cursor:default;opacity:.85}.mc-key{width:28px;height:28px;flex:none;display:grid;place-items:center;border-radius:6px;border:1px solid var(--line-3);background:var(--bg-1);font-family:var(--font-mono);font-size:var(--t-sm);font-weight:700;color:var(--text-2);transition:color var(--d-fast),border-color var(--d-fast)}.mc-option.picked .mc-key{color:var(--peacock-200);border-color:var(--peacock-400)}.mc-option.correct .mc-key{color:var(--success-400);border-color:var(--success-500)}.mc-option.wrong .mc-key{color:var(--danger-400);border-color:var(--danger-500)}.fb-blank{display:inline-block;min-width:110px;padding:2px 10px;margin:0 3px;border:1px dashed var(--line-3);border-radius:6px;background:var(--bg-2);color:var(--text-1);font-family:var(--font-mono);font-size:inherit;text-align:center;outline:none;transition:border-color var(--d-fast),background var(--d-fast)}.fb-blank:focus{border-color:var(--peacock-400);border-style:solid;background:var(--bg-3)}.fb-blank:disabled{opacity:.85;cursor:default}.code-actions{display:flex;gap:8px;flex-wrap:wrap}.code-ex-grid{display:grid;gap:16px;grid-template-columns:1fr;align-items:stretch}@media (min-width:960px){.code-ex-grid{grid-template-columns:minmax(0,1.45fr) minmax(280px,1fr)}}.code-ex-editor{display:flex;flex-direction:column;min-width:0}.code-ex-editor>.code-frame{flex:1;display:flex;flex-direction:column}.code-ex-editor>.code-frame>.code-frame-body{flex:1}.code-ex-output{display:flex;flex-direction:column;min-width:0}.code-ex-output-body{flex:1;margin-top:12px;padding-top:12px;border-top:1px solid var(--line-1);min-height:240px;overflow:auto}.code-ex-output-body>.stack{gap:12px}.code-ex-submit{display:flex;justify-content:flex-end}.predict-answer{width:100%;min-height:96px;padding:12px 14px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-md);color:var(--text-1);font-family:var(--font-mono);font-size:var(--t-sm);line-height:1.7;resize:vertical;outline:none;transition:border-color var(--d-fast),background var(--d-fast)}.predict-answer:focus{border-color:var(--peacock-400);background:var(--bg-3)}.predict-answer:disabled{opacity:.85}.check-result{border-radius:var(--r-md);padding:12px 16px;font-size:var(--t-sm);font-weight:600;border:1px solid transparent}.check-result.passed{color:var(--success-400);background:color-mix(in oklch,var(--success-400) 10%,var(--bg-1));border-color:color-mix(in oklch,var(--success-400) 30%,transparent)}.check-result.failed{color:var(--danger-400);background:color-mix(in oklch,var(--danger-400) 10%,var(--bg-1));border-color:color-mix(in oklch,var(--danger-400) 30%,transparent)}