*{box-sizing:border-box}
:root{--bg:#0a0d10;--panel:#10161b;--panel-2:#141c24;--card:#181f26;--line:#28343e;--text:#edf4fa;--text-dim:#8fa1ad;--text-mute:#5c6b78;--accent:#20b6f3;--danger:#e0504f;--radius:14px}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit;cursor:pointer}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.hidden{display:none!important}

header{height:60px;background:var(--panel-2);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:10}
header b{letter-spacing:1.5px;font-size:16px}
nav{display:flex;gap:16px;align-items:center;font-size:13.5px}
.pill-btn{padding:7px 14px;border-radius:100px;border:1px solid var(--line);background:transparent;color:var(--text-dim);font-size:13px;cursor:pointer}
.pill-btn:hover{border-color:var(--accent);color:var(--text)}

main{padding:20px;max-width:1400px;margin:0 auto}

.auth-wrap{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;padding:30px}
.auth{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;max-width:400px;width:100%}
.auth h2{margin:0 0 4px}
.auth p.sub{color:var(--text-mute);font-size:13px;margin:0 0 18px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:5px}
.field input,.field textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font-size:14px}
.btn-block{width:100%;padding:11px;border-radius:10px;border:none;background:var(--accent);color:#031017;font-weight:700;cursor:pointer;font-size:14px;margin-top:6px}
.btn-secondary{width:100%;padding:11px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);font-weight:600;cursor:pointer;font-size:14px;margin-top:8px}
.err{color:var(--danger);font-size:12.5px;margin-top:8px;min-height:14px}
.auth-links{text-align:center;font-size:12.5px;color:var(--text-mute);margin-top:14px}

.chat-layout{display:grid;grid-template-columns:220px 1fr 260px;gap:14px;height:calc(100vh - 100px);min-height:520px}
.sidebar{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;overflow-y:auto}
.sidebar h4{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-mute);margin:14px 6px 8px}
.sidebar h4:first-child{margin-top:0}
.room-item,.user-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:10px;cursor:pointer;color:var(--text-dim);font-size:13.5px;margin-bottom:3px}
.room-item:hover,.user-item:hover{background:var(--panel-2)}
.room-item.active,.user-item.active{background:var(--card);color:var(--text);font-weight:600}
.dot{width:8px;height:8px;border-radius:50%;background:#20e070;flex-shrink:0}

.chat-main{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden}
.chat-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.chat-head b{font-size:15px}
.chat-head span{color:var(--text-mute);font-size:12px}
.messages{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:9px;max-width:76%}
.msg.mine{align-self:flex-end;flex-direction:row-reverse}
.msg .av{width:32px;height:32px;border-radius:50%;background:var(--card);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;overflow:hidden;color:var(--text-dim)}
.msg .av img{width:100%;height:100%;object-fit:cover}
.msg .bubble{background:var(--card);padding:8px 12px;border-radius:12px;font-size:14px;line-height:1.4}
.msg .who{font-size:11.5px;margin-bottom:2px;font-weight:700}
.msg .time{font-size:10px;color:var(--text-mute);margin-top:3px}
.msg .bubble img,.msg .bubble video{max-width:220px;border-radius:8px;display:block;margin-top:4px}
.msg .file-chip{display:flex;align-items:center;gap:6px;background:var(--panel-2);padding:6px 10px;border-radius:8px;margin-top:4px;font-size:12.5px}
.role-admin{color:var(--danger)}.role-staff{color:#4fb0e0}
.msg-actions{font-size:10.5px;color:var(--text-mute);cursor:pointer;margin-left:8px}
.msg-actions:hover{color:var(--danger)}
.yt-embed{margin-top:6px}
.yt-embed iframe{border-radius:8px;max-width:100%}
.yt-toggle{font-size:11px;color:var(--accent);cursor:pointer;margin-bottom:4px}

@keyframes fcz-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes fcz-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
@keyframes fcz-spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}
@keyframes fcz-flicker{0%,100%{opacity:1}50%{opacity:.5}}
.fcz-bounce{animation:fcz-bounce 1s infinite}
.fcz-pulse{animation:fcz-pulse 1s infinite}
.fcz-spin{animation:fcz-spin 2s linear infinite}
.fcz-flicker{animation:fcz-flicker .8s infinite}

.composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line);align-items:center;position:relative}
.composer input[type=text]{flex:1;padding:11px 14px;border-radius:100px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font-size:14px}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--panel-2);color:var(--text-dim);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.send-btn{width:40px;height:40px;border-radius:50%;border:none;background:var(--accent);color:#031017;cursor:pointer;font-size:15px;flex-shrink:0}

.badge{font-size:10px;padding:2px 7px;border-radius:100px;background:var(--panel-2);color:var(--text-dim)}

.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table th,.admin-table td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
.admin-table th{color:var(--text-mute);font-weight:600;font-size:11px;text-transform:uppercase}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px}
.notice{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-size:12.5px;color:var(--text-dim);margin-bottom:16px}
select,input.inline{background:var(--panel-2);border:1px solid var(--line);color:var(--text);padding:6px 8px;border-radius:6px;font-size:12px}

@media(max-width:880px){
  .chat-layout{grid-template-columns:1fr;height:auto}
  .sidebar{display:none}
}