.aula{--aula-max:1200px;--aula-gutter:1.5rem;--aula-side:300px;--aula-header:56px;--aula-ink:var(--sb-text-black,#1a1a1a);--aula-body:var(--sb-text-body,#2d3a3a);--aula-muted:var(--sb-text-muted,#718096);--aula-hair:var(--sb-border-light,#e8e8e0);--aula-well:var(--sb-bg-light,#fafaf7);--aula-well-2:#f1f1ec;--aula-white:#fff;--aula-dark:#0f0f0f;--aula-dark-2:#1c1c1c;--aula-cream:var(--sb-bg-cream,#f8f6f0);--aula-teal:var(--sb-teal,#2d5f5d);--aula-teal-soft:#e4f0ee;--aula-coral:var(--sb-coral,#e05566);--aula-coral-hover:var(--sb-coral-hover,#c45);--aula-coral-soft:var(--sb-highlight-pink,#fadadd);--aula-amber-soft:var(--sb-highlight-yellow,#f0e6c0);--aula-blue-soft:var(--sb-highlight-blue,#c5e8f0);--aula-radius:10px;--aula-radius-lg:16px;--aula-ease:var(--sb-ease,cubic-bezier(.4, 0, .2, 1));--aula-duration:var(--sb-duration,.2s);--aula-sans:var(--sb-font-heading,"Inter", sans-serif);--aula-serif:var(--sb-font-body,"Source Serif 4", Georgia, serif);--aula-mono:ui-monospace, "SF Mono", 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auto;display:grid}.aula-header__left,.aula-header__right{align-items:center;gap:.75rem;min-width:0;display:flex}.aula-header__right{grid-auto-flow:column;justify-content:end;align-items:center;gap:.75rem;display:grid}.aula-header__right>*{justify-self:end;width:auto!important;max-width:none!important}.aula-brand{color:var(--aula-ink);white-space:nowrap;align-items:center;gap:.5rem;font-size:.9375rem;font-weight:600;display:inline-flex}.aula-brand__mark{object-fit:contain;width:26px;height:26px}.aula-header__title{white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:.9375rem;font-weight:600;overflow:hidden}.aula-icon-btn{border:1px solid var(--aula-hair);background:var(--aula-white);width:36px;height:36px;color:var(--aula-ink);cursor:pointer;transition:background-color var(--aula-duration) var(--aula-ease);border-radius:50%;flex:none;justify-content:center;align-items:center;display:inline-flex}.aula-icon-btn:hover{background:var(--aula-well-2)}.aula-icon-btn svg{width:16px;height:16px}.aula-header__center{align-items:center;gap:.75rem;min-width:0;display:flex}.aula-segment{background:var(--aula-well-2);border-radius:999px;gap:2px;padding:3px;display:inline-flex}.aula-segment__tab{color:var(--aula-body);white-space:nowrap;transition:background-color var(--aula-duration) var(--aula-ease), color var(--aula-duration) var(--aula-ease);border-radius:999px;padding:.35rem .9rem;font-size:.875rem;font-weight:500}.aula-segment__tab:hover{color:var(--aula-ink)}.aula-segment__tab--active{background:var(--aula-white);color:var(--aula-ink);font-weight:600;box-shadow:0 1px 2px #1a1a1a14}.aula-search{width:min(280px,100%);position:relative}.aula-search input{border:1px solid var(--aula-hair);background:var(--aula-well);width:100%;height:36px;font:inherit;color:var(--aula-ink);border-radius:999px;padding:0 .9rem 0 2.1rem;font-size:.875rem}.aula-search input:focus{border-color:var(--aula-teal);background:var(--aula-white);outline:none}.aula-search svg{width:14px;height:14px;color:var(--aula-muted);pointer-events:none;position:absolute;top:50%;left:.8rem;transform:translateY(-50%)}.aula-avatar{background:#d9d3c3;border-radius:50%;flex:none;width:32px;height:32px;overflow:hidden}.aula-avatar img{object-fit:cover;width:100%;height:100%}.aula-page{max-width:var(--aula-max);padding:1.75rem var(--aula-gutter) 4rem;margin:0 auto}.aula-page--narrow{max-width:880px}.aula-page__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1.5rem;margin-bottom:1.5rem;display:flex}.aula-title{letter-spacing:-.01em;margin:0;font-size:1.75rem;font-weight:600;line-height:1.2}.aula-subtitle{color:var(--aula-muted);max-width:62ch;margin:.25rem 0 0;font-size:.9375rem}.aula-h2{letter-spacing:-.005em;margin:0 0 .75rem;font-size:1.0625rem;font-weight:600}.aula-section-label{color:var(--aula-muted);margin:0 0 .75rem;font-size:.8125rem;font-weight:500}.aula-meta{color:var(--aula-muted);flex-wrap:wrap;gap:.25rem 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1.1rem;font-size:.875rem;font-weight:600;line-height:1;display:inline-flex}.aula-btn:disabled,.aula-btn[aria-disabled=true]{opacity:.45;cursor:not-allowed}.aula-btn--primary{background:var(--aula-coral);color:#fff}.aula-btn--primary:hover:not(:disabled){background:var(--aula-coral-hover)}.aula-btn--secondary{background:var(--aula-white);border-color:var(--aula-hair)}.aula-btn--secondary:hover:not(:disabled){background:var(--aula-well);border-color:#c9c6b9}.aula-btn--dark{color:#fff;background:#ffffff24}.aula-btn--dark:hover:not(:disabled){background:#ffffff38}.aula-btn--ghost{color:var(--aula-body);padding:0 .75rem}.aula-btn--ghost:hover:not(:disabled){background:var(--aula-well-2);color:var(--aula-ink)}.aula-btn--danger{color:var(--aula-coral)}.aula-btn--danger:hover:not(:disabled){background:var(--aula-coral-soft)}.aula-btn--sm{height:32px;padding:0 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