.vku-course{color:#142746;max-width:1100px;margin:30px auto 60px;font-family:inherit;background:#fff;border:1px solid #e4edf8;border-radius:18px;box-shadow:0 12px 40px #103a6914;padding:clamp(18px,3vw,36px)}.vku-course-head{display:flex;gap:20px;align-items:center;border-bottom:2px solid #edf3fc;padding-bottom:22px}.vku-course-head img{width:70px;height:70px;object-fit:contain}.vku-course h1{font-size:clamp(23px,3vw,33px);line-height:1.3;color:#113d82;margin:5px 0}.vku-eyebrow{color:#61748e;font-size:13px}.vku-course .vku-topic{font-size:clamp(17px,2vw,22px);line-height:1.55;margin:24px 0;color:#18345d}.vku-facts{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.vku-facts>div{flex:1;min-width:160px;padding:16px 20px;background:#f0f6ff;border-radius:12px;border:1px solid #e2ecfa}.vku-facts small{display:block;color:#60738d;margin-bottom:7px}.vku-facts strong{display:block;font-size:18px;color:#103e85}.vku-table-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:30px 0 15px}.vku-table-head h2{margin:0;color:#133e7b;font-size:23px}.vku-search-label{font-size:13px;color:#63758d}.vku-course-search{display:block;min-width:250px;padding:10px 12px;border:1px solid #d4e0f2;border-radius:9px}.vku-table-scroll{overflow-x:auto;border:1px solid #dbe7f5;border-radius:12px}.vku-course .vku-people{border-collapse:collapse;width:100%;margin:0;color:#17304f;font-size:15px}.vku-people th{background:#2157a5;color:white;text-align:left;padding:14px 18px}.vku-people td{padding:13px 18px;border-bottom:1px solid #e9eff7}.vku-people td:first-child,.vku-people th:first-child{width:72px;text-align:center}.vku-people tbody tr:nth-child(even){background:#f2f7ff}.vku-people tbody tr:hover{background:#e6f0ff}.vku-people tbody tr:last-child td{border-bottom:0}@media(max-width:600px){.vku-course-head img{width:50px;height:50px}.vku-course-search{min-width:0;width:100%}.vku-table-head{display:block}.vku-search-label{display:block;margin-top:15px}.vku-course .vku-people{font-size:14px}.vku-people td,.vku-people th{padding:11px 9px}}
/* The active theme already renders the post title; keep the course card compact. */
.vku-course{margin-top:12px}.vku-course-subtitle{font-size:19px;font-weight:700;color:#143b75;margin-top:4px}.vku-course-head{padding-bottom:14px}.vku-course .vku-topic{text-align:left;font-weight:600;word-spacing:normal;letter-spacing:normal}
/* Optional responsive watermark. The watermark is behind the rows, never on top of the text. */
.vku-table-scroll.vku-watermarked{position:relative;isolation:isolate;background:#fff}
.vku-table-scroll.vku-watermarked::before{content:"";position:absolute;z-index:0;pointer-events:none;inset:42px 0 0;background-image:var(--vku-watermark-url);background-position:center;background-repeat:no-repeat;background-size:auto min(75%,360px);opacity:var(--vku-watermark-opacity,.07)}
.vku-table-scroll.vku-watermarked .vku-people{position:relative;z-index:1;background:transparent}
.vku-table-scroll.vku-watermarked .vku-people tbody tr{background:rgba(255,255,255,.83)}
.vku-table-scroll.vku-watermarked .vku-people tbody tr:nth-child(even){background:rgba(240,247,255,.83)}
.vku-table-scroll.vku-watermarked .vku-people tbody tr:hover{background:rgba(225,238,255,.90)}
.vku-table-scroll.vku-watermarked .vku-people td{background:transparent}
@media(max-width:600px){.vku-table-scroll.vku-watermarked::before{background-size:auto min(72%,230px)}}

/* v1.2.1: watermark is intentionally placed above striped backgrounds, but behind readable text. */
.vku-course .vku-table-scroll.vku-watermarked{position:relative;isolation:isolate;overflow-x:auto;background:#fff}
.vku-course .vku-table-scroll.vku-watermarked::before{content:none}
.vku-course .vku-table-scroll.vku-watermarked .vku-people{position:relative;z-index:0;background:transparent}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody{position:relative}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody::after{content:"";position:absolute;pointer-events:none;z-index:2;inset:0;background-image:var(--vku-watermark-url);background-position:center;background-repeat:no-repeat;background-size:auto min(88%,340px);opacity:var(--vku-watermark-opacity,.07)}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody tr{position:relative;background:rgba(255,255,255,.94)}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody tr:nth-child(even){background:rgba(240,247,255,.94)}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody td{position:relative;z-index:3;background:transparent!important;color:#17304f}
@media(max-width:600px){.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody::after{background-size:auto min(86%,220px)}}

/* Layer above translucent stripe fills and below participant text; robust with four rows. */
.vku-course .vku-table-scroll.vku-watermarked::after{content:"";position:absolute;z-index:2;pointer-events:none;top:43px;bottom:0;left:0;right:0;background-image:var(--vku-watermark-url);background-repeat:no-repeat;background-position:center;background-size:auto min(85%,340px);opacity:var(--vku-watermark-opacity,.07)}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody::after{content:none}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody td{z-index:3}

/* v1.3.0: consistent watermark layer above the stripe fills but below the names. */
.vku-course .vku-table-scroll.vku-watermarked{position:relative;isolation:isolate}
.vku-course .vku-table-scroll.vku-watermarked::after{content:"";position:absolute;pointer-events:none;z-index:2;left:0;right:0;top:42px;bottom:0;background-image:var(--vku-watermark-url);background-repeat:no-repeat;background-position:center;background-size:auto min(88%,340px);opacity:var(--vku-watermark-opacity,.07)}
.vku-course .vku-table-scroll.vku-watermarked .vku-people{position:relative;z-index:1}
.vku-course .vku-table-scroll.vku-watermarked .vku-people td{position:relative;z-index:3}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody tr{background:rgba(255,255,255,.88)}
.vku-course .vku-table-scroll.vku-watermarked .vku-people tbody tr:nth-child(even){background:rgba(240,247,255,.88)}
@media(max-width:600px){.vku-course .vku-table-scroll.vku-watermarked::after{background-size:auto min(88%,210px)}}