.beginner-guide-host { color: var(--fp-text, #262a23); font-family: var(--sx-sans, sans-serif); }
.beginner-guide-host[hidden] { display: none !important; }
#builder-beginner-guide { max-width: 1080px; margin: 0 auto; padding: 24px 24px 0; }
.bg-invite { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 22px; border: 1px solid var(--fp-border, #d9ddd3); border-radius: 18px; background: #f3f6e9; }
.bg-invite strong { font-size: 16px; }
.bg-invite p { max-width: 560px; margin: 6px 0 0; font-size: 14px; line-height: 1.5; }
.bg-button { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 18px; border: 1px solid #b9c1b1; border-radius: 24px; background: var(--sx-surface, #f8f9f4); color: #293126; font: 600 14px/1.4 var(--sx-sans, sans-serif); text-align: center; cursor: pointer; }
.bg-invite .bg-button { flex-shrink: 0; }
.bg-button.bg-primary { background: var(--fp-lime, #e6f79b); border-color: transparent; }
.bg-button:disabled { opacity: .5; cursor: default; }
.beginner-guide-host :is(button, a, summary):focus-visible { outline: 3px solid var(--sx-accent, #405530); outline-offset: 3px; }
.bg-panel { overflow: hidden; border: 1px solid var(--fp-border, #d9ddd3); border-radius: 20px; background: var(--sx-surface, #f8f9f4); }
#learn-tab .bg-panel { margin: 0; border: 0; border-radius: 0; background: transparent; }
#learn-tab .bg-header { display: none; }
#learn-tab .learn-guide-body:has(#beginner-learn-guide) { padding: 16px; }
.bg-header { position: static; top: auto; z-index: auto; display: flex; flex-direction: row; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 22px; border-bottom: 1px solid #d9ddd3; background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; font-size: 14px; font-weight: 700; }
.bg-text-button { border: 0; padding: 8px 0; background: transparent; color: var(--sx-accent, #405530); font: 600 14px/1.4 var(--sx-sans, sans-serif); text-decoration: underline; cursor: pointer; }
.bg-layout { display: grid; grid-template-columns: 170px minmax(0, 1fr); }
.bg-outline { display: flex; flex-direction: column; gap: 8px; align-self: start; padding: 22px 12px; }
.bg-outline button { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 9px 10px; border: 0; border-radius: 12px; color: #525c4c; background: transparent; font: 600 13px/1.4 var(--sx-sans, sans-serif); text-align: left; cursor: pointer; }
.bg-outline button[aria-current] { background: #e7efcf; color: #25331f; }
.bg-outline button span { display: grid; flex: 0 0 24px; place-items: center; height: 24px; border: 1px solid #a3af96; border-radius: 50%; }
.bg-outline button[aria-current] span { background: #405530; border-color: #405530; color: #fff; }
.bg-lesson { min-width: 0; max-width: 760px; padding: 24px 28px 22px; }
.bg-lesson .bg-progress { margin: 0 0 8px; color: #626c5b; font-size: 13px; font-weight: 600; }
#learn-tab .bg-lesson h2, .bg-lesson h2 { margin: 0 0 12px; color: inherit; font: 700 clamp(23px, 2.5vw, 30px)/1.2 var(--sx-sans, sans-serif); letter-spacing: -.03em; }
.bg-lesson h2, #builder-tab #bw-screen { scroll-margin-top: 110px; }
.bg-lesson :is(p, li, dd) { font-size: 15px; line-height: 1.65; }
.bg-lesson p { margin: 12px 0; }
.bg-lesson .bg-intro { font-size: 17px; font-weight: 500; }
.bg-lesson ul { padding-left: 20px; margin: 16px 0; }
.bg-lesson li + li { margin-top: 9px; }
.bg-lesson a { color: var(--sx-accent, #405530); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.bg-why, .bg-task, .bg-example { padding: 16px 18px; border-radius: 14px; margin: 18px 0; background: #eef1e8; }
.bg-task { background: #edf4d9; }
.bg-lesson :is(.bg-why, .bg-task) h3 { margin: 0 0 5px; font-size: 14px; font-weight: 700; }
.bg-lesson :is(.bg-why, .bg-task, .bg-example) p { margin: 5px 0 0; }
.bg-compare { margin: 18px 0; }
.bg-compare > div { padding: 12px 0; border-bottom: 1px solid #d9ddd3; }
.bg-compare dt { font-size: 15px; font-weight: 700; }
.bg-compare dd { margin: 3px 0 0; }
.bg-sources { margin: 18px 0; font-size: 13px; }
.bg-sources summary { cursor: pointer; color: #626c5b; }
.bg-sources p { font-size: 13px; }
.bg-name-example { margin: 18px 0; padding: 14px 16px; border: 1px solid #d9ddd3; border-radius: 12px; }
.bg-name-example summary { cursor: pointer; font-size: 14px; font-weight: 600; }
.bg-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid #d9ddd3; }
.bg-lesson .bg-note { margin: 16px 0 0; color: #626c5b; font-size: 12px; line-height: 1.5; }
@media (max-width: 700px) {
    #builder-beginner-guide { padding: 18px 16px 0; }
    .bg-invite { align-items: stretch; flex-direction: column; gap: 14px; padding: 18px; }
    .bg-layout { grid-template-columns: minmax(0, 1fr); }
    .bg-outline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; padding: 12px; border-bottom: 1px solid #d9ddd3; }
    .bg-outline button { padding: 8px 5px; font-size: 12px; gap: 6px; }
    .bg-outline button span { flex-basis: 21px; height: 21px; }
    .bg-header { padding: 14px 18px; }
    .bg-lesson { padding: 20px 18px; }
    .bg-lesson h2, #builder-tab #bw-screen { scroll-margin-top: 200px; }
    #learn-tab .learn-guide-body:has(#beginner-learn-guide) { padding: 20px 8px; }
    .bg-actions .bg-button { flex: 1 1 140px; }
}