:root{--navy:#132a43;--blue:#315d7d;--gold:#c69a42;--cream:#f6f2e9;--ink:#17202a;--muted:#667085;--white:#fff;--green:#16845b;--red:#b42318;--line:#e4e7ec}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#f7f8fa}
.topbar{height:72px;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 5%;position:sticky;top:0;z-index:20}
.brand{display:flex;gap:12px;align-items:center}.brand-logo{width:48px;height:48px;object-fit:contain;background:white;border-radius:8px;padding:3px}.brand small{display:block;color:#d9e1e8}
nav{display:flex;gap:8px;align-items:center}button,.btn{border:0;border-radius:8px;padding:10px 14px;font-weight:700;cursor:pointer}.btn-primary{background:var(--gold);color:#17202a}.btn-secondary{background:#eaf0f5;color:var(--navy)}.btn-danger{background:#fee4e2;color:var(--red)}
.shell{max-width:1180px;margin:30px auto;padding:0 20px}.hero{background:linear-gradient(120deg,var(--navy),var(--blue));color:white;border-radius:18px;padding:34px;margin-bottom:24px}.hero h1{font-size:34px;margin:0 0 8px}.hero p{max-width:760px;color:#e4ebf0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{background:white;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 4px 14px rgba(16,24,40,.04)}.card h3{margin-top:0}.metric{font-size:30px;font-weight:800;color:var(--navy)}.muted{color:var(--muted)}.gold{color:var(--gold)}
table{width:100%;border-collapse:collapse;background:white;border-radius:12px;overflow:hidden}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);font-size:14px}th{background:#f2f4f7;color:#344054}
input,select,textarea{width:100%;padding:11px;border:1px solid #d0d5dd;border-radius:8px;margin:6px 0 14px;background:white}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#ecfdf3;color:#067647;font-size:12px;font-weight:700}.badge.gray{background:#f2f4f7;color:#475467}.badge.gold{background:#fff6df;color:#7a5411}
.progress{height:8px;background:#eaecf0;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--gold)}
.course-frame{width:100%;height:72vh;border:1px solid var(--line);border-radius:10px;background:white}.player-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.tabs button.active{background:var(--navy);color:white}
.login{max-width:460px;margin:70px auto}.toast{position:fixed;right:22px;bottom:22px;background:var(--navy);color:white;padding:12px 16px;border-radius:8px;display:none;z-index:99}
.audit{font-family:ui-monospace,monospace;font-size:12px}.warning{border-left:4px solid var(--gold);background:#fff9eb;padding:12px;border-radius:6px}
.enrollment-line{display:flex;align-items:center;gap:8px;margin:4px 0}.row-actions{text-align:right;width:80px}.row-delete{opacity:0;transition:opacity .15s ease;background:transparent;color:var(--red);padding:4px 7px;border:1px solid transparent}.row-delete:hover,.row-delete:focus{background:#fee4e2;border-color:#fecdca}.admin-row:hover .row-delete,.admin-row:focus-within .row-delete,.enrollment-line:hover .row-delete,.enrollment-line:focus-within .row-delete{opacity:1}.row-delete.danger{font-size:12px}
@media(max-width:800px){.grid,.grid-2,.form-row{grid-template-columns:1fr}.topbar{height:auto;padding:14px 20px;align-items:flex-start}.shell{margin-top:18px}nav{flex-wrap:wrap;justify-content:flex-end}.row-delete{opacity:1}.people-table{display:block;overflow-x:auto}}