:root{--gh:#01213f;--gh2:#062a4d;--gold:#d9a66a;--muted:#9bb0c6;--line:rgba(255,255,255,.14)}
.ghm20{min-height:720px;background:var(--gh);color:#f2f6fa;border-radius:14px;overflow:hidden;font-family:Arial,sans-serif;position:relative}.ghm20 *{box-sizing:border-box}
.ghm20-lobby{min-height:720px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px}.ghm20-brand{text-align:center;margin-bottom:22px}.ghm20-logo{margin:auto auto 12px;width:68px;height:68px;border:2px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);font-weight:800;font-size:22px}.ghm20-brand h2{margin:0;font-size:28px}.ghm20-brand p{color:var(--muted);font-size:13px}.ghm20-card{width:min(430px,94vw);background:var(--gh2);border:1px solid var(--line);border-radius:12px;padding:26px}.ghm20-card label{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px}.ghm20-card input{display:block;width:100%;margin-top:7px;padding:12px;border-radius:8px;border:1px solid var(--line);background:#092f55;color:#fff}.ghm20-room{display:flex;gap:8px}.ghm20-room input{flex:1}.ghm20-room button{margin-top:7px;width:44px;background:#092f55;border:1px solid var(--line);color:#fff;border-radius:8px}.ghm20-primary{width:100%;padding:14px;border:0;border-radius:8px;background:var(--gold);color:var(--gh);font-weight:700;cursor:pointer}.ghm20-note{color:var(--muted);font-size:12px;line-height:1.5;text-align:center}
.ghm20-call{display:none;position:absolute;inset:0;background:#000;flex-direction:column}.ghm20-call.active{display:flex}.ghm20-call header{height:54px;background:var(--gh);display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line)}.ghm20-call header b{color:var(--gold);margin-right:12px}.ghm20-call header i{font-style:normal;color:var(--muted);font-size:11px;margin-left:12px}.ghm20-call header i.ok{color:#55d69a}.ghm20-call header button{background:transparent;border:1px solid var(--line);color:#fff;padding:7px 12px;border-radius:7px}
.ghm20-call main{flex:1;min-height:0;display:flex;gap:8px;padding:8px;background:#030303;overflow:hidden}
.ghm20-grid{flex:1;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px;overflow:auto}
.ghm20-participants{display:block;width:240px;background:#071b2d;border:1px solid var(--line);border-radius:9px;padding:12px;overflow:auto}
.ghm20-participants h3{font-size:13px;margin:0 0 10px;color:#fff}
.ghm20-participant{display:flex;align-items:center;gap:8px;padding:8px 4px;border-bottom:1px solid rgba(255,255,255,.07);font-size:12px}
.ghm20-avatar{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:#173a5a;color:#fff;font-weight:700}.ghm20-tile{position:relative;background:#101010;border-radius:9px;overflow:hidden;min-height:180px}.ghm20-tile video{width:100%;height:100%;min-height:180px;object-fit:cover}.ghm20-tile span{position:absolute;left:9px;bottom:8px;background:rgba(0,0,0,.55);padding:5px 8px;border-radius:6px;font-size:12px}
.ghm20-call footer{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;padding:10px;background:var(--gh)}.ghm20-call footer button,.ghm20-file{background:#092f55;border:1px solid var(--line);color:#fff;border-radius:7px;padding:8px 10px;font-size:11px;cursor:pointer}.ghm20-file input{display:none}
.ghm20-chatbox{}.ghm20-call aside{position:absolute;right:12px;top:66px;bottom:70px;width:310px;background:#062a4d;border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;z-index:5}.ghm20-call aside[aria-hidden=true]{display:none}.ghm20-chat-head{padding:12px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.ghm20-chat-head button{background:none;border:0;color:#fff;font-size:18px}.ghm20-call aside [data-messages]{flex:1;overflow:auto;padding:10px}.ghm20-message{padding:7px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:12px}.ghm20-message b{display:block;color:var(--gold)}.ghm20-message span{display:block;margin-top:3px}.ghm20-call form{display:flex;padding:8px;gap:6px}.ghm20-call form input{flex:1;background:#092f55;color:#fff;border:1px solid var(--line);padding:8px;border-radius:6px}.ghm20-call form button{background:var(--gold);border:0;border-radius:6px;padding:8px}
.ghm20-toast{position:absolute;left:50%;bottom:72px;transform:translateX(-50%);background:#092f55;border:1px solid var(--line);padding:8px 12px;border-radius:8px;font-size:12px;opacity:0;pointer-events:none;transition:.2s}.ghm20-toast.show{opacity:1}
@media(max-width:700px){.ghm20{min-height:650px}.ghm20-lobby{min-height:650px}.ghm20-call aside{left:8px;right:8px;width:auto}.ghm20-call main{grid-template-columns:1fr}}

@media(max-width:800px){.ghm20-call main{flex-direction:column}.ghm20-participants{display:block;width:100%;max-height:145px}.ghm20-grid{min-height:300px}}

/* 3.0 participant panel fixes */
.ghm20-participants{color:#f2f6fa!important}
.ghm20-participants h3{color:#fff!important}
.ghm20-participant{color:#f2f6fa!important;min-height:48px}
.ghm20-participant-name{display:block;flex:1;color:#fff!important}
.ghm20-participant-name small{display:block;margin-top:3px;font-size:10px}
.ghm20-participant-name small.is-active{color:#55d69a!important}
.ghm20-participant-name small.is-left{color:#9bb0c6!important}
.ghm20-participant-empty{padding:12px 4px;color:#9bb0c6;font-size:12px}