:root{--navy:#192D47;--gold:#CFA95B;--grey:#F5F5F5}
*{box-sizing:border-box}body{margin:0;font-family:'Nunito Sans',sans-serif;color:#1d2433;background:#fff;line-height:1.6}
h1,h2,h3{font-family:Manrope,sans-serif;color:var(--navy);line-height:1.25}
header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:var(--navy);position:sticky;top:0;z-index:5}
header img{height:38px;background:#fff;border-radius:4px;padding:3px}
nav a{color:#fff;text-decoration:none;margin-left:16px;font-weight:700;font-size:.95rem}nav a:hover{color:var(--gold)}
.hero{background:var(--navy);color:#fff;padding:40px 20px 48px;border-bottom:4px solid var(--gold)}
.hero h1{color:#fff;font-size:2rem;margin:0 0 10px;max-width:820px;margin-inline:auto}.hero p{max-width:820px;margin:0 auto;opacity:.9}
main,section#videos,section#chat{max-width:860px;margin:0 auto;padding:20px}
main h1{display:none}main h2{border-bottom:2px solid var(--gold);padding-bottom:6px;margin-top:2.2em}
blockquote{background:var(--grey);border-left:4px solid var(--gold);margin:1em 0;padding:10px 16px}
table{border-collapse:collapse;width:100%;display:block;overflow-x:auto;font-size:.92rem}
th,td{border:1px solid #dde1e7;padding:8px;text-align:left;vertical-align:top}th{background:var(--navy);color:#fff}
pre{background:var(--navy);color:#f3e3bd;padding:14px;border-radius:6px;overflow-x:auto;font-size:.8rem}
#chat{background:var(--grey);border-radius:10px;margin-bottom:30px!important}
#log{min-height:60px;max-height:460px;overflow-y:auto;margin-bottom:10px}
.m{padding:10px 14px;border-radius:10px;margin:8px 0;white-space:pre-wrap}.u{background:var(--navy);color:#fff;margin-left:15%}.a{background:#fff;border:1px solid #dde1e7;margin-right:10%}
#f{display:flex;gap:8px}#q{flex:1;padding:12px;border:1px solid #c5ccd6;border-radius:8px;font-size:1rem}
button{background:var(--gold);color:var(--navy);border:0;border-radius:8px;padding:12px 18px;font-weight:800;font-family:Manrope;cursor:pointer}
.small{font-size:.85rem;color:#5a6474}
footer{text-align:center;font-size:.85rem;color:#5a6474;padding:24px;border-top:1px solid #e5e8ec}
.login{max-width:360px;margin:12vh auto;padding:28px;background:var(--grey);border-radius:12px;text-align:center}
.login input{width:100%;padding:12px;margin:14px 0;border:1px solid #c5ccd6;border-radius:8px;font-size:1rem}
@media print{header,#chat,#videos nav{display:none}.hero{background:#fff;color:#000}.hero h1{color:var(--navy)}}
main,section{scroll-margin-top:84px}h2{scroll-margin-top:84px}
.vid{margin:22px 0 34px}.vid h3{margin:0 0 4px}.vid video{width:100%;border-radius:10px;background:#192D47;margin-top:8px}
@media print{#videos{display:none}}