.PageLayout-module__UAvyiG__page{max-width:var(--sd-page-max);width:100%;padding:var(--sd-page-pad-y) var(--sd-page-pad-x) 72px;flex:1;margin:0 auto}
.ThemeToggle-module__Z5gSZG__btn{background:var(--sd-surface2);width:30px;height:30px;color:var(--sd-muted);cursor:pointer;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:color .15s,background .15s;display:flex}.ThemeToggle-module__Z5gSZG__btn:hover{color:var(--sd-text);background:var(--sd-border-strong)}
.Breadcrumb-module__SOJ6CW__breadcrumb{background:color-mix(in srgb, var(--sd-bg) 80%, transparent);-webkit-backdrop-filter:blur(10px);font-family:var(--sd-font-mono);color:var(--sd-muted);letter-spacing:.04em;z-index:50;justify-content:space-between;align-items:center;padding:14px 40px;font-size:11px;display:flex;position:sticky;top:0}.Breadcrumb-module__SOJ6CW__left{align-items:center;gap:0;display:flex}.Breadcrumb-module__SOJ6CW__sep{margin:0 8px}.Breadcrumb-module__SOJ6CW__lesson{color:var(--sd-text)}.Breadcrumb-module__SOJ6CW__section{color:var(--sd-muted);text-decoration:none;transition:color .15s}.Breadcrumb-module__SOJ6CW__section:hover{color:var(--sd-text);text-decoration:underline}.Breadcrumb-module__SOJ6CW__action{align-items:center;gap:10px;display:flex}
.PageNav-module__KwZR2a__nav{background:var(--sd-surface);border-top:1px solid var(--sd-border);justify-content:space-between;align-items:center;padding:16px 40px;display:flex}.PageNav-module__KwZR2a__btn{color:var(--sd-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:9px 16px;font-size:14px;text-decoration:none;transition:background .2s,color .2s;display:flex}.PageNav-module__KwZR2a__btn:hover{background:var(--sd-surface2);color:var(--sd-text)}.PageNav-module__KwZR2a__btn:disabled{opacity:.3;cursor:default}.PageNav-module__KwZR2a__center{font-family:var(--sd-font-mono);color:var(--sd-muted);text-align:center;font-size:11px;line-height:1.4}.PageNav-module__KwZR2a__center strong{font-family:var(--sd-font-display);color:var(--sd-text);font-size:13px;display:block}
.DeepDiveButton-module__H93zNa__btn{color:var(--sd-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:6px;align-items:center;gap:7px;padding:6px 13px;font-size:12px;transition:color .2s,background .2s;display:inline-flex}.DeepDiveButton-module__H93zNa__btn:hover{color:var(--sd-text);background:var(--sd-accent-wash)}.DeepDiveButton-module__H93zNa__icon{color:var(--sd-accent);font-size:13px}
.SidePanel-module__B32FWq__overlay{z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;display:none;position:fixed;inset:0}.SidePanel-module__B32FWq__overlayOpen{display:block}.SidePanel-module__B32FWq__panel{background:var(--sd-surface);z-index:201;flex-direction:column;width:420px;max-width:95vw;height:100%;transition:transform .32s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;right:0;overflow:hidden;transform:translate(100%);box-shadow:-24px 0 48px #00000059}.SidePanel-module__B32FWq__panelOpen{transform:translate(0)}.SidePanel-module__B32FWq__header{flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:16px;padding:24px 24px 20px;display:flex}.SidePanel-module__B32FWq__eyebrow{font-family:var(--sd-font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--sd-accent);margin-bottom:4px;font-size:10px;font-weight:700}.SidePanel-module__B32FWq__title{font-family:var(--sd-font-display);color:var(--sd-text);font-size:16px;font-weight:700;line-height:1.3}.SidePanel-module__B32FWq__close{background:var(--sd-surface2);color:var(--sd-muted);cursor:pointer;border:none;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;margin-top:2px;font-size:16px;transition:color .15s,background .15s;display:flex}.SidePanel-module__B32FWq__close:hover{color:var(--sd-text);background:var(--sd-border-strong)}.SidePanel-module__B32FWq__body{scrollbar-width:thin;scrollbar-color:var(--sd-border) transparent;flex-direction:column;flex:1;gap:8px;min-height:0;padding:20px;display:flex;overflow-y:auto}
.PanelSection-module__GTpqRW__section{border-radius:10px;transition:box-shadow .3s}.PanelSection-module__GTpqRW__section.PanelSection-module__GTpqRW__highlight{box-shadow:0 0 0 2px var(--sd-accent)}.PanelSection-module__GTpqRW__head{text-align:left;cursor:pointer;background:var(--sd-surface2);border:none;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:14px 16px;transition:background .15s;display:flex}.PanelSection-module__GTpqRW__section.PanelSection-module__GTpqRW__open .PanelSection-module__GTpqRW__head{border-radius:10px 10px 0 0}.PanelSection-module__GTpqRW__head:hover{background:var(--sd-border-strong)}.PanelSection-module__GTpqRW__sectionTitle{color:var(--sd-text);font-size:13px;font-weight:600;line-height:1.4}.PanelSection-module__GTpqRW__chevron{color:var(--sd-muted);flex-shrink:0;font-size:12px;transition:transform .22s}.PanelSection-module__GTpqRW__section.PanelSection-module__GTpqRW__open .PanelSection-module__GTpqRW__chevron{transform:rotate(180deg)}.PanelSection-module__GTpqRW__body{opacity:0;height:0;transition:height .28s,opacity .22s;overflow:hidden}.PanelSection-module__GTpqRW__section.PanelSection-module__GTpqRW__open .PanelSection-module__GTpqRW__body{opacity:1}.PanelSection-module__GTpqRW__body.PanelSection-module__GTpqRW__settled{overflow:visible}.PanelSection-module__GTpqRW__inner{flex-direction:column;gap:8px;padding:14px;display:flex}
.QuizCarousel-module__51wBhG__wrap{position:relative}.QuizCarousel-module__51wBhG__card{background:var(--sd-surface);border-radius:16px;min-height:180px;padding:32px 34px}.QuizCarousel-module__51wBhG__num{font-family:var(--sd-font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--sd-muted);margin-bottom:8px;font-size:11px;font-weight:600}.QuizCarousel-module__51wBhG__question{font-family:var(--sd-font-display);letter-spacing:-.01em;color:var(--sd-text);margin-bottom:20px;font-size:18px;font-weight:600;line-height:1.4}.QuizCarousel-module__51wBhG__answers{flex-direction:column;gap:10px;list-style:none;display:flex}.QuizCarousel-module__51wBhG__answers li{color:var(--sd-text);align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;display:flex}.QuizCarousel-module__51wBhG__check{width:20px;height:20px;color:var(--sd-green);background:#9db0f726;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;font-size:11px;font-weight:700;display:flex}.QuizCarousel-module__51wBhG__note{color:var(--sd-muted);background:var(--sd-surface2);border-radius:0;margin-top:16px;padding:8px 12px;font-size:12px;line-height:1.5}.QuizCarousel-module__51wBhG__controls{justify-content:center;align-items:center;gap:16px;margin-top:16px;display:flex}.QuizCarousel-module__51wBhG__btn{color:var(--sd-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 18px;font-size:14px;transition:background .2s,color .2s}.QuizCarousel-module__51wBhG__btn:hover{background:var(--sd-surface2);color:var(--sd-text)}.QuizCarousel-module__51wBhG__btn:disabled{opacity:.35;cursor:default}.QuizCarousel-module__51wBhG__dots{align-items:center;gap:6px;display:flex}.QuizCarousel-module__51wBhG__dot{background:var(--sd-border);cursor:pointer;border:none;border-radius:50%;width:6px;height:6px;padding:0;transition:background .2s,width .2s}.QuizCarousel-module__51wBhG__dotActive{background:var(--sd-accent);border-radius:4px;width:18px}