.stv-lms{--stv-lms-ink:#111;--stv-lms-line:#d9d9d9;color:var(--stv-lms-ink);background:#fff;font-family:'Noto Sans',system-ui,sans-serif;padding:clamp(12px,2vw,24px);border:1px solid var(--stv-lms-ink);margin:16px 0;overflow-wrap:anywhere}
.stv-lms *{box-sizing:border-box}.stv-lms a{color:inherit}.stv-lms-heading{border-bottom:2px solid #111;padding-bottom:12px;margin-bottom:14px}.stv-lms-kicker{font-size:.68rem;letter-spacing:.12em;font-weight:800;text-transform:uppercase;margin:0 0 5px}.stv-lms-heading h2{font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.12;margin:4px 0 8px}.stv-lms-heading p{color:#555}.stv-lms .stv-lms-button{display:inline-block;border:1px solid #111;background:#111;color:#fff;padding:9px 14px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;border-radius:0}.stv-lms .stv-lms-button:disabled{opacity:.6;cursor:default}.stv-lms :is(button,a,input,select,summary):focus-visible{outline:3px solid #666;outline-offset:3px}
.stv-lms-progress{padding:12px;background:#f5f5f5;border:1px solid var(--stv-lms-line);margin:12px 0}.stv-lms-progress-label{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.stv-lms-progress-label strong{font-size:1.4rem}.stv-lms-progress progress{display:block;width:100%;height:9px;margin:7px 0 9px;accent-color:#111}.stv-lms-progress progress::-webkit-progress-bar{background:#ddd}.stv-lms-progress progress::-webkit-progress-value{background:#111;transition:width .45s}.stv-lms-stats{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.8rem}.stv-lms-stats b{font-size:.95rem}.stv-lms-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.stv-lms-badges span{padding:3px 7px;border:1px solid #111;background:#fff;font-size:.72rem;font-weight:700}
.stv-lms-lesson-flow{border:1px solid #111;margin:12px 0 18px}.stv-lms-lesson-intro{padding:12px 14px;background:#f5f5f5}.stv-lms-step-label{font-size:.67rem;letter-spacing:.1em;text-transform:uppercase;font-weight:800;margin:0 0 6px;color:#555}.stv-lms-body{font-size:.95rem;line-height:1.5}.stv-lms-body>:first-child{margin-top:0}.stv-lms-body>:last-child{margin-bottom:0}.stv-lms-step-note{margin:0 0 8px;font-size:.9rem;line-height:1.4;color:#444}.stv-lms-assessment-note{font-size:.82rem;font-weight:700;margin:8px 0 0}.stv-lms-resource{margin:0;padding:10px;border-top:1px solid #111}.stv-lms-resource>.stv-slide{height:min(68vh,760px);min-height:360px}.stv-lms-video-link{display:inline-flex;align-items:center;gap:7px;background:#111;color:#fff!important;padding:8px 12px;text-decoration:none;font-weight:700}.stv-lms-dialogue{border-top:1px solid var(--stv-lms-line);margin:8px 0 0}.stv-lms-dialogue-line{display:grid;grid-template-columns:minmax(78px,auto) 1fr;gap:10px;padding:7px 0;margin:0;border-bottom:1px solid var(--stv-lms-line);line-height:1.4}.stv-lms-dialogue-line strong{font-size:.82rem}.stv-lms-dialogue-line span{min-width:0}.stv-lms-completion{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;border-top:1px solid #111;padding-top:12px;margin-top:16px}.stv-lms-module{border-top:1px solid #111;padding-top:12px;margin-top:18px}.stv-lms-module ol{list-style:none;padding:0;margin:0}.stv-lms-module li{display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid var(--stv-lms-line)}.stv-lms-module small{color:#666;font-size:.7rem}.stv-lms-done{background:#f7f7f7}.stv-lms-course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px}.stv-lms-course-card{border:1px solid #111;padding:14px}.stv-lms-course-card h3{margin-top:0}.stv-lms [data-stv-lms-status]{min-height:1.2em;font-weight:700}.stv-lms [hidden]{display:none!important}.stv-lms-celebrate .stv-lms-progress{animation:stv-lms-achievement .75s ease}@keyframes stv-lms-achievement{50%{box-shadow:0 0 0 4px #111;transform:translateY(-2px)}}
.stv-lms-teacher-preview{margin:8px 0;padding:8px 10px;border-left:3px solid #64748b;background:#f4f6f8;color:#374151;font-size:.9rem;line-height:1.45}
.stv-lms-layout,.stv-lms-course-layout{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:18px;align-items:start}.stv-lms-main,.stv-lms-course-main{min-width:0}.stv-lms-sidebar{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto;border:1px solid #111;padding:12px;background:#fff}.stv-lms-sidebar>summary{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;list-style:none;font-size:1rem;font-weight:700}.stv-lms-sidebar>summary::-webkit-details-marker{display:none}.stv-lms-sidebar>summary::after{content:'−';font-size:1.1rem}.stv-lms-sidebar:not([open])>summary::after{content:'+'}.stv-lms-sidebar>summary small{font-size:.72rem;font-weight:500;color:#555}.stv-lms-sidebar nav{margin-top:10px}.stv-lms-nav-module{border-top:1px solid #d9d9d9;padding-top:8px;margin-top:8px}.stv-lms-nav-module h3{font-size:.82rem;margin:0 0 5px}.stv-lms-nav-module ol{list-style:none;padding:0;margin:0}.stv-lms-nav-module li{font-size:.78rem;line-height:1.35;padding:5px 4px;border-bottom:1px solid #eee}.stv-lms-nav-module li>a{display:grid;grid-template-columns:1rem minmax(0,1fr);gap:5px;text-decoration:none}.stv-lms-nav-module li>a:hover .stv-lms-nav-title{text-decoration:underline}.stv-lms-nav-module li.is-current{font-weight:800;background:#f2f2f2}.stv-lms-nav-mark{color:#555;text-align:center}.stv-lms-nav-title{min-width:0;overflow-wrap:anywhere}.stv-lms-activity-stamp{display:block;color:#555;font-size:.68rem;font-weight:400;margin:3px 0}.stv-lms-preview-banner{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 11px;border:1px solid #475569;background:#f5f7fa;margin:0 0 12px}.stv-lms-preview-banner small{display:block;color:#475569;font-size:.72rem}.stv-lms-preview-banner .stv-lms-button,.stv-lms-preview-resource .stv-lms-button{font-size:.75rem;padding:6px 9px}.stv-lms-preview-resource{margin-top:8px;padding-top:7px;border-top:1px solid #ddd}.stv-lms-preview-resource-wrap{min-width:0}.stv-lms-preview-resource-wrap .stv-lms-preview-resource>div{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.stv-lms-course-overview{border-block:1px solid #ddd;padding:16px 0}.stv-lms-course-overview h3{font-size:clamp(1.25rem,2vw,1.6rem);margin:0 0 8px}.stv-lms-course-overview p{margin:7px 0}
@media(max-width:760px){.stv-lms{padding:12px}.stv-lms-layout,.stv-lms-course-layout{grid-template-columns:minmax(0,1fr);gap:12px}.stv-lms-sidebar{position:static;max-height:none;overflow:visible;padding:10px 12px}.stv-lms-sidebar nav{max-height:55vh;overflow:auto}.stv-lms-sidebar:not([open]) nav{display:none}.stv-lms-preview-banner{align-items:flex-start;flex-direction:column}.stv-lms-preview-resource-wrap .stv-lms-preview-resource>div{align-items:flex-start;flex-direction:column}.stv-lms-progress-label{align-items:flex-start}.stv-lms-dialogue-line{grid-template-columns:minmax(64px,auto) minmax(0,1fr);gap:7px}.stv-lms-resource{padding:6px}.stv-lms-resource>.stv-slide{height:68vh;min-height:320px}}
@media(max-width:420px){.stv-lms-heading h2{font-size:1.35rem}.stv-lms-stats{gap:6px 12px}.stv-lms-nav-module li{font-size:.8rem}.stv-lms-preview-banner .stv-lms-button{width:100%;text-align:center}}
@media(prefers-reduced-motion:reduce){.stv-lms *{animation:none!important;transition:none!important}}
/* Mobile course navigation opens as an accessible left drawer. */
@media(max-width:760px){
  .stv-lms-sidebar{border:0;padding:0;background:transparent}
  .stv-lms-sidebar>summary{width:100%;min-height:44px;padding:9px 12px;border:1px solid #111;background:#fff}
  .stv-lms-sidebar>summary::after{content:'+'}
  .stv-lms-sidebar[open]{position:fixed;inset:0;z-index:1200;max-height:none;overflow:visible;padding:0;border:0;background:transparent}
  .stv-lms-sidebar[open]::before{content:'';position:absolute;inset:0;background:rgba(0,0,0,.48);animation:stv-lms-backdrop-in .18s ease-out both}
  .stv-lms-sidebar[open]>summary{position:absolute;z-index:1;left:0;top:0;width:min(360px,88vw);height:56px;padding:12px;border:1px solid #111;border-bottom:0;background:#fff}
  .stv-lms-sidebar[open]>summary::after{content:'×';font-size:1.5rem;line-height:1}
  .stv-lms-sidebar[open]>nav{position:absolute;z-index:1;left:0;top:56px;width:min(360px,88vw);height:calc(100vh - 56px);height:calc(100dvh - 56px);max-height:none;overflow:auto;margin:0;padding:0 12px 18px;border:1px solid #111;border-top:0;background:#fff;box-shadow:8px 0 28px rgba(0,0,0,.16);animation:stv-lms-drawer-in .22s ease-out both}
  .stv-lms-sidebar[open] .stv-lms-nav-module li>a{min-height:40px;align-items:center}
  body.stv-lms-drawer-open{overflow:hidden}
}
@keyframes stv-lms-drawer-in{from{transform:translateX(-100%)}to{transform:translateX(0)}}
@keyframes stv-lms-backdrop-in{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.stv-lms-sidebar[open]::before,.stv-lms-sidebar[open]>nav{animation:none!important}}
/* Keep course navigation out of the lesson layout until its trigger is opened. */
.stv-lms-layout,.stv-lms-course-layout{display:block;min-width:0}
.stv-lms-sidebar{position:relative;top:auto;max-height:none;overflow:visible;margin:0 0 12px;padding:0;border:0;background:transparent}
.stv-lms-sidebar>summary{display:inline-flex;width:auto;min-height:42px;padding:9px 12px;border:1px solid #111;background:#fff}
.stv-lms-sidebar>summary::after{content:'+'}
.stv-lms-sidebar:not([open])>nav{display:none}
.stv-lms-sidebar[open]{position:fixed;inset:0;z-index:1200;max-height:none;overflow:visible;margin:0;padding:0;border:0;background:transparent}
.stv-lms-sidebar[open]::before{content:'';position:absolute;inset:0;background:rgba(0,0,0,.48);animation:stv-lms-backdrop-in .18s ease-out both}
.stv-lms-sidebar[open]>summary{position:absolute;z-index:1;left:0;top:0;width:min(420px,90vw);height:56px;padding:12px;border:1px solid #111;border-bottom:0;background:#fff}
.stv-lms-sidebar[open]>summary::after{content:'×';font-size:1.5rem;line-height:1}
.stv-lms-sidebar[open]>nav{position:absolute;z-index:1;left:0;top:56px;width:min(420px,90vw);height:calc(100vh - 56px);height:calc(100dvh - 56px);max-height:none;overflow:auto;margin:0;padding:0 12px 18px;border:1px solid #111;border-top:0;background:#fff;box-shadow:8px 0 28px rgba(0,0,0,.16);animation:stv-lms-drawer-in .22s ease-out both}
.stv-lms-sidebar[open] .stv-lms-nav-module li>a{min-height:40px;align-items:center}
body.stv-lms-drawer-open{overflow:hidden}
@keyframes stv-lms-drawer-in{from{transform:translateX(-100%)}to{transform:translateX(0)}}
@keyframes stv-lms-backdrop-in{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.stv-lms-sidebar[open]::before,.stv-lms-sidebar[open]>nav{animation:none!important}}


/* Desktop: keep the course outline beside the lesson and let it collapse off-canvas. */
@media(min-width:761px){
  .stv-lms-layout,.stv-lms-course-layout{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:18px;align-items:start;transition:grid-template-columns .2s ease}
  .stv-lms-layout.stv-lms-sidebar-collapsed,.stv-lms-course-layout.stv-lms-sidebar-collapsed{grid-template-columns:minmax(0,1fr)}
  .stv-lms-sidebar:not([data-collapsed]){position:sticky;inset:auto;top:16px;width:auto;max-height:calc(100vh - 32px);overflow:auto;margin:0;padding:12px;border:1px solid #111;background:#fff;transform:none;transition:transform .22s ease}
  .stv-lms-sidebar:not([data-collapsed])[open]::before{display:none}
  .stv-lms-sidebar:not([data-collapsed])>summary{position:static;width:100%;height:auto;min-height:36px;padding:0;border:0;background:transparent}
  .stv-lms-sidebar:not([data-collapsed])>summary::after{content:'−';font-size:1.1rem}
  .stv-lms-sidebar:not([data-collapsed])>nav{position:static;width:auto;height:auto;max-height:none;overflow:visible;margin-top:10px;padding:0;border:0;background:transparent;box-shadow:none;animation:none}
  .stv-lms-sidebar[data-collapsed]{position:fixed;inset:auto auto auto 0;top:50%;z-index:1200;width:min(280px,85vw);max-height:calc(100vh - 32px);overflow:visible;margin:0;padding:0;border:0;background:transparent;transform:translateY(-50%) translateX(calc(-100% + 42px));transition:transform .22s ease}
  .stv-lms-sidebar[data-collapsed]>summary{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:42px;min-height:132px;padding:10px 6px;border:1px solid #111;background:#fff;box-shadow:3px 3px 12px #0002}
  .stv-lms-sidebar[data-collapsed]>summary>span{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap}
  .stv-lms-sidebar[data-collapsed]>summary small{display:none}
  .stv-lms-sidebar[data-collapsed]>summary::after{content:'+'}
  .stv-lms-sidebar[data-collapsed]>nav{display:none}
}
@media(max-width:760px){
  .stv-lms-layout,.stv-lms-course-layout{display:block}
}


@media(min-width:761px){
  .stv-lms-sidebar[data-collapsed]>summary{position:absolute;top:50%;right:0;left:auto;height:132px;min-height:132px;transform:translateY(-50%);overflow:hidden}
}