.ctm-cb-student-blocks{margin-top:26px}.ctm-cb-text{font-size:1.02rem;line-height:1.75;margin:0 0 25px}.ctm-cb-heading{margin:34px 0 14px;line-height:1.2}.ctm-cb-callout{display:flex;gap:14px;border-radius:12px;padding:18px 20px;margin:25px 0;border:1px solid #d9dee3;background:#f7f9fa}.ctm-cb-callout-icon{flex:0 0 36px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#202931;color:#fff;font-weight:800}.ctm-cb-callout strong{display:block;margin:0 0 5px}.ctm-cb-callout p:last-child{margin-bottom:0}.ctm-cb-tip{border-left:4px solid #558b62}.ctm-cb-warning{border-left:4px solid #a34032;background:#fff8f6}.ctm-cb-material-block{margin:26px 0}.ctm-cb-separator{border:0;border-top:1px solid #dfe3e6;margin:36px 0}.ctm-cb-lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:38px;padding-top:24px;border-top:1px solid #e3e6e8}.ctm-cb-lesson-nav a{display:grid;gap:4px;text-decoration:none;padding:14px 16px;border:1px solid #dde1e4;border-radius:10px;color:#202931;background:#fff}.ctm-cb-lesson-nav a:hover{border-color:#a9b0b5;transform:translateY(-1px)}.ctm-cb-lesson-nav span{font-size:.82rem;color:#687078}.ctm-cb-nav-next{text-align:right}@media(max-width:680px){.ctm-cb-lesson-nav{grid-template-columns:1fr}.ctm-cb-lesson-nav>span:empty{display:none}.ctm-cb-nav-next{text-align:left}}

/* Multimedia integrada en bloques de texto · 0.1.10 */
.ctm-cb-material-clean .ctm-mv-item{padding:0;border:0;background:transparent;box-shadow:none}
.ctm-cb-material-clean .ctm-mv-item-head{display:none!important}
.ctm-cb-material-clean .ctm-mv-image img{border-radius:10px}
.ctm-cb-inline-media{display:block;margin:24px auto;max-width:100%;text-align:center}
.ctm-cb-inline-media img{display:block;width:auto;max-width:100%;height:auto;margin:0 auto;border-radius:10px}
.ctm-cb-inline-media video{display:block;width:100%;max-width:100%;max-height:72vh;margin:0 auto;background:#111;border-radius:10px}
.ctm-cb-text .ctm-cb-inline-media+p,.ctm-cb-text p+.ctm-cb-inline-media{margin-top:18px}

.ctm-cb-inline-video-shell{position:relative;overflow:hidden;border-radius:10px;background:linear-gradient(135deg,#101827,#244d72)}.ctm-cb-inline-video-shell video{border-radius:0;min-height:260px}.ctm-cb-play-cover{position:absolute;inset:0;border:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:linear-gradient(180deg,rgba(9,17,31,.18),rgba(9,17,31,.58));color:#fff;font-weight:700;cursor:pointer}.ctm-cb-play-icon{width:82px;height:82px;border-radius:50%;display:grid;place-items:center;padding-left:4px;background:rgba(255,255,255,.18);font-size:32px;box-shadow:0 10px 28px rgba(0,0,0,.24)}.ctm-cb-inline-video-shell.is-playing .ctm-cb-play-cover{display:none}

/* Portada real del video insertado · 0.1.12.2 */
.ctm-cb-video-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:2;background:#0f172a}.ctm-cb-play-cover{z-index:3}.ctm-cb-inline-video-shell.is-playing .ctm-cb-video-poster{display:none}.ctm-cb-inline-video-shell.is-playing .ctm-cb-play-cover{display:none}