:root{color-scheme:dark;--bg:#0b0c11;--card:#171922;--line:#333746;--text:#f2f2f6;--muted:#b6bac9;--blue:#afcbff;--gold:#d3b885}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#182138 0,transparent 48%),var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}header,footer{width:min(1200px,calc(100% - 48px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid var(--line);gap:20px}.brand{font-family:Georgia,serif;font-size:22px;letter-spacing:.16em;text-decoration:none;color:var(--text)}.brand span{display:block;font:10px/1.5 system-ui,sans-serif;letter-spacing:.32em;color:var(--gold)}nav{display:flex;gap:20px;align-items:center}a{color:var(--blue);text-underline-offset:4px}button,.button{font:600 15px/1.4 system-ui,sans-serif;border:1px solid transparent;border-radius:99px;padding:13px 22px;background:var(--text);color:#12151d;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;gap:8px;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}.ghost{background:transparent;color:var(--text);border-color:var(--line)}button:hover:not(:disabled),.button:hover{filter:brightness(.9)}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}main{width:min(1200px,calc(100% - 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32px);padding:15px 24px;border:1px solid #b9896c;background:#30231e;border-radius:14px;color:#fff;box-shadow:0 10px 40px #0008}footer{padding:22px 0;color:#979eaf;font-size:12px;border-top:1px solid var(--line)}.term{max-width:820px;margin:0 auto}.term .panel{margin:20px 0}.term details{border-bottom:1px solid var(--line);padding:14px 0}.term summary{cursor:pointer;font-weight:600}.term .check{display:flex;gap:14px;align-items:flex-start;padding:16px;background:#ffffff05;border:1px solid var(--line);border-radius:14px;font-size:15px}.term .check span{flex:1}.water-preview{display:flex;justify-content:center;align-items:center;min-height:120px;background:linear-gradient(120deg,#2c3f58,#171d2a);border-radius:16px;color:#fff;padding:22px;text-align:center}.hero{background:linear-gradient(110deg,#293648,#202436 55%,#171b24);border:1px solid #3d4b61;border-radius:24px;padding:38px;margin-bottom:30px}.hero p{max-width:620px}.toolbar{display:flex;gap:16px;align-items:center;margin:28px 0}.toolbar label{margin:0;flex:1}.toolbar .eyebrow{display:block;margin-bottom:6px}.toolbar select{width:220px}.shelf{margin:36px 0}.shelf-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px}.shelf-head small{color:var(--muted)}.cards{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,calc((100% - 48px)/3));gap:24px;overflow:auto;padding:0 0 14px;scroll-snap-type:x mandatory}.lesson-card{display:flex;flex-direction:column;text-decoration:none;color:var(--text);border:1px solid var(--line);border-radius:18px;overflow:hidden;scroll-snap-align:start;background:var(--card)}.cover{min-height:112px;padding:22px;background:linear-gradient(135deg,#3d4353,#1d2330);display:flex;justify-content:space-between;align-items:center;color:#ddc59c}.cover.medico{background:linear-gradient(135deg,#294743,#16282c);color:#9ad7ca}.cover .play{font-size:30px}.card-text{padding:18px}.card-text p{font-size:13px}.card-text h3{font-size:16px;min-height:46px}.badge{display:inline-block;border-radius:99px;padding:3px 9px;background:#ffffff0b;border:1px solid #ffffff20;color:var(--muted);font-size:11px}.crumb{font-size:13px;color:var(--muted);margin-bottom:24px}.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px}.video{position:relative;aspect-ratio:16/9;border:1px solid #424959;border-radius:18px;overflow:hidden;background:radial-gradient(ellipse at 50% 50%,#233044,#10141d);display:flex;align-items:center;justify-content:center}.video iframe{position:absolute;inset:0;border:0;width:100%;height:100%}.video .placeholder{max-width:80%;text-align:center;padding:30px}.watermark{position:absolute;z-index:2;left:5%;top:13%;max-width:90%;overflow-wrap:anywhere;font-size:clamp(10px,1.1vw,14px);line-height:1.3;color:#fff;background:#0009;border-radius:5px;padding:6px 10px;pointer-events:none}.watermark.pos1{left:auto;right:5%;top:20%}.watermark.pos2{left:5%;top:auto;bottom:22%}.watermark.pos3{left:auto;right:5%;top:auto;bottom:26%}.video:fullscreen{width:100%;height:100%;border-radius:0}.modules{padding:22px;background:#151923;border:1px solid var(--line);border-radius:18px;align-self:start}.modules ol{list-style:none;padding:0;margin:20px 0 0}.modules li{border-top:1px solid var(--line);padding:13px 0}.modules a{font-size:14px;text-decoration:none;color:var(--muted)}.modules a[aria-current=page]{color:#fff;font-weight:650}.below{margin-top:20px;padding:22px;border:1px solid var(--line);border-radius:18px}.lesson-actions{margin:18px 0}.empty{border:1px dashed #606a7d;border-radius:18px;padding:30px}.notice{color:#edc085}.hidden,[hidden]{display:none!important}@media(max-width:700px){header,footer,main{width:calc(100% - 32px)}#mensagem:not(:empty){bottom:auto;top:12px}header{padding:18px 0}.brand{font-size:18px}nav{gap:12px}.center{margin:34px auto}.panel{padding:24px}main{margin-top:28px}h1{font-size:30px}.hero{padding:26px}.toolbar{flex-direction:column;align-items:stretch}.toolbar select{width:100%}.cards{grid-auto-columns:82%;gap:14px}.shelf-head{display:block}.lesson-grid{grid-template-columns:1fr}.term .check{padding:13px}.video .placeholder{padding:24px 12px 8px;max-width:90%;font-size:13px}.video .placeholder h2{font-size:20px;margin:10px 0 6px}.video .placeholder p{font-size:13px;line-height:1.5}.watermark{font-size:10px}.row{gap:12px}.row .button,.row button{padding:11px 16px}.modules{margin-top:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{@page{size:A4;margin:12mm}body{print-color-adjust:exact;-webkit-print-color-adjust:exact}header,footer,main{width:100%}main{min-height:0;margin:22px auto}.center{margin:36px auto}.panel,.hero,.lesson-card,.check,.video{break-inside:avoid}#mensagem{position:static}footer{margin-top:24px}.cards{grid-auto-columns:31%;gap:3%;overflow:hidden}.cards .lesson-card:nth-child(n+4){display:none}.shelf{break-inside:avoid}.lesson-grid{grid-template-columns:minmax(0,1fr) 230px;gap:16px}.modules{padding:16px}.preview-page{break-after:page;min-height:950px}.preview-page:last-child{break-after:auto}.mobile-preview{width:390px;margin:auto}.mobile-preview .lesson-grid{display:block}.mobile-preview .cards{grid-auto-columns:82%}.mobile-preview .toolbar{display:block}.mobile-preview .toolbar select{width:100%;margin-top:12px}}