html.ya-dark{filter:invert(1) hue-rotate(180deg);background:#fff}
html.ya-dark img,html.ya-dark video,html.ya-dark iframe,html.ya-dark canvas,html.ya-dark .courseimage,html.ya-dark .card-img-top,html.ya-dark [style*="background-image"],html.ya-dark .ya-keep{filter:invert(1) hue-rotate(180deg)}
#ya-tools{position:fixed;left:18px;bottom:84px;z-index:1040;font-family:inherit}
#ya-tools>button{width:48px;height:48px;border-radius:50%;border:0;background:#0b1f3a;color:#fff;font-weight:800;font-size:17px;box-shadow:0 4px 14px rgba(0,0,0,.3);cursor:pointer}
#ya-panel{position:absolute;left:0;bottom:58px;width:260px;height:auto!important;min-height:0!important;max-height:80vh;overflow:auto;background:#fff;color:#1e293b;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.25);padding:14px;font-size:14px}
#ya-panel[hidden]{display:none}
#ya-panel h6{margin:0 0 8px;font-weight:700;font-size:14px}
#ya-panel .ya-row{display:flex;align-items:center;gap:6px;margin-bottom:12px}
#ya-panel .ya-row button{border:1px solid #cbd5e1;background:#f8fafc;border-radius:8px;min-width:40px;height:36px;font-weight:700;cursor:pointer;color:#0b1f3a}
#ya-panel .ya-row span{flex:1;text-align:center;font-weight:600}
#ya-panel .ya-wide{width:100%;border:0;border-radius:8px;height:38px;font-weight:600;cursor:pointer;margin-top:4px}
#ya-dark{background:#1e293b;color:#fff}#ya-install{background:#c9a24a;color:#fff}
#ya-banner{position:fixed;left:10px;right:10px;bottom:142px;z-index:1039;background:#0b1f3a;color:#fff;border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:10px;box-shadow:0 6px 20px rgba(0,0,0,.3);font-size:14px}
#ya-banner img{width:40px;height:40px;border-radius:8px}#ya-banner div{flex:1}
#ya-banner button{border:0;border-radius:8px;padding:8px 12px;font-weight:700;cursor:pointer}
#ya-banner .ya-go{background:#c9a24a;color:#fff}#ya-banner .ya-x{background:transparent;color:#cbd5e1;font-size:20px;padding:4px 8px}
#ya-congrats{position:fixed;inset:0;z-index:2000;background:rgba(11,31,58,.75);display:flex;align-items:center;justify-content:center;padding:16px}
#ya-congrats .ya-box{position:relative;background:#fff;color:#1e293b;border-radius:18px;max-width:440px;width:100%;padding:28px 24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.4);animation:yapop .45s ease}
#ya-congrats .ya-box.ya-big{max-width:520px;border:4px solid #c9a24a}
#ya-congrats .ya-ico{font-size:56px;line-height:1}#ya-congrats h3{margin:12px 0 6px;font-weight:800;color:#0b1f3a}
#ya-congrats p{margin:0 0 14px;color:#475569}#ya-congrats .btn{margin:4px}
#ya-confetti{position:fixed;inset:0;pointer-events:none;z-index:2001}
@keyframes yapop{from{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}
.ya-video-note{background:#fff7e6;border:1px solid #c9a24a;border-radius:10px;padding:10px 14px;margin:10px 0;font-weight:600;color:#7a5b12}
.ya-more{margin:28px auto 10px;padding:18px 1.25rem 0;max-width:1400px;border-top:2px solid #e2e8f0}
.ya-more h3{font-weight:800;color:#0b1f3a}.ya-mc-msg{color:#7a5b12;background:#fff7e6;border-radius:8px;padding:8px 12px;display:inline-block}
.ya-mc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:10px}
.ya-mc-card{border:1px solid #e2e8f0;border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.ya-mc-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.ya-mc-body{padding:12px;display:flex;flex-direction:column;gap:6px;flex:1}.ya-mc-body h4{font-size:15px;font-weight:700;margin:0;flex:1}
.ya-mc-price{margin:0}.ya-mc-price s{color:#94a3b8}.ya-mc-price strong{color:#0b1f3a;font-size:18px}