/* Learn AI Basics course page (/course/) */
.cs-buy{margin-top:1.5rem}
.cs-price{font-family:var(--display);margin:0 0 .9rem!important}
.cs-price b{font-size:2.4rem;color:var(--signal)}
.cs-price span{font-size:var(--step-0);color:#d8e1ee}
.cs-small{font-size:var(--step--1)!important;margin-top:.9rem!important;color:#b9c6d8!important}
.cs-get{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.7rem;max-width:44rem}
.cs-get li{display:flex;gap:.7rem;align-items:flex-start;line-height:1.45}
.cs-lede{color:var(--slate);max-width:var(--measure)}
.cs-stages{list-style:none;padding:0;margin:1.25rem 0 0;display:grid;gap:1rem;grid-template-columns:1fr;align-items:stretch}
@media (min-width:52rem){.cs-stages{grid-template-columns:repeat(3,1fr)}}
.cs-stage{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:1.25rem;padding:1.2rem 1.25rem;background:var(--bg,transparent)}
.cs-stage h3{margin:.2rem 0 .4rem}
.cs-stage > p{color:var(--slate);line-height:1.45;margin:0 0 .6rem}
.cs-lessons{margin:0 0 .8rem;padding-left:1.2rem;line-height:1.5}
.cs-badge{margin-top:auto!important;font-size:var(--step--1)}
.cs-updated{margin-top:1.25rem;font-size:var(--step--1);color:var(--slate)}

/* player */
.cs-player{padding-top:2rem}
.cs-hello{font-family:var(--display);font-size:var(--step-1);margin:0 0 1rem}
.cs-path{list-style:none;padding:0;margin:0 0 1.5rem;display:grid;gap:.75rem;grid-template-columns:1fr;align-items:stretch}
@media (min-width:52rem){.cs-path{grid-template-columns:repeat(3,1fr)}}
.cs-step{display:flex;flex-direction:column;gap:.35rem;border:1px solid var(--line);border-radius:1.25rem;padding:1rem 1.15rem;background:var(--surface)}
.cs-step.is-done{border-color:#3fb950}
.cs-step.is-locked{opacity:.55}
.cs-step strong{font-family:var(--display);font-size:var(--step-1)}
.cs-step .cs-st{font-size:var(--step--1);color:var(--slate)}
.cs-step .btn-row{margin-top:auto;padding-top:.5rem}
.cs-view{border-top:1px solid var(--line);padding-top:1.5rem;max-width:var(--measure)}
.cs-lesson h2{margin-top:0}
.cs-lesson ol{padding-left:1.2rem}
.cs-nav{display:flex;justify-content:space-between;gap:.75rem;flex-wrap:wrap;margin-top:1.25rem}
.cs-dots{font-family:var(--mono);font-size:.85rem;color:var(--slate)}
.cs-q{margin:0 0 1.5rem}
.cs-q h3{font-size:var(--step-0);margin:0 0 .5rem}
.at-opt.sel{border-color:var(--signal);background:rgba(242,179,61,.12)}
.cs-result{padding:1rem 1.1rem;border-radius:1rem;background:var(--surface);margin:0 0 1.25rem}
.cs-certbox{border-top:1px solid var(--line);padding-top:1.5rem;max-width:var(--measure)}
.cs-certbox input{display:block;width:100%;max-width:24rem;margin:.3rem 0 1rem;padding:.6rem .8rem;border-radius:8px;border:1px solid var(--edge);background:var(--surface);color:var(--text);font:inherit}