:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#17382f;background:#f6f4ee;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #d7ae62;outline-offset:3px}a{color:inherit}button{border:0}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,serif;font-weight:400}h1{font-size:clamp(32px,5vw,54px);line-height:1.1}h2{font-size:28px}p{line-height:1.6}.loading{text-align:center;padding:20vh 20px}.shell{max-width:1180px;margin:auto;padding:0 32px 90px}.header{display:flex;align-items:center;justify-content:space-between;padding:26px 0;border-bottom:1px solid #dadfd5;margin-bottom:28px;gap:15px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:600;text-decoration:none}.brand 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p{font-size:14px}.toolbar{display:block}.toolbar h2{margin-bottom:15px}.search{max-width:none}.grid{gap:13px}.card img{height:125px}.card-body{padding:14px}.card h3{font-size:14px;margin:8px 0 12px}.meta{font-size:11px}.lesson-title{font-size:27px}.lesson-actions .button{font-size:13px;padding:12px 13px}.text-content{padding:20px}.footer{font-size:11px}.login{margin:4vh auto}.header .button{font-size:12px;padding:10px}.card .eyebrow{font-size:9px;letter-spacing:1px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

#stream-container>p{color:#fff;padding:24px}#stream-container:has(>button){color:#fff;padding:20px}

/* Biblioteca: leitura, progresso e controles em telas pequenas. */
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.card{align-self:stretch;display:flex;flex-direction:column}.card-body{width:100%;flex:1}
.text-content,.attachments a{overflow-wrap:anywhere}.text-content img{max-width:100%;height:auto}.text-content table{display:block;max-width:100%;overflow:auto}
.tabs button,.back,.header .button{min-height:44px}.back{padding:12px 0}.button:disabled{opacity:.65;cursor:wait}
.header>div{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:4px}
@media(max-width:520px){.hero-stat{display:flex;align-items:center;gap:12px;width:auto;height:auto;border-radius:12px;padding:12px 16px;text-align:left}.hero-stat strong{font-size:26px}.hero-stat small{font-size:12px}.meta{flex-wrap:wrap;gap:4px}.card h3{overflow-wrap:anywhere}.footer{flex-wrap:wrap}}
@media(max-width:360px){.header{flex-wrap:wrap}.header>div{margin-left:auto}.grid{grid-template-columns:1fr}.card img{height:180px}}