body[data-theme="base"]{--bg:#10131a;--panel:#1a202c;--line:#313c50;--text:#edf2f7;--muted:#94a3b8;--accent:#2f7ee8;--accent2:#67e8f9;--message:#111720;--input:#0e131c;--logo1:#b8f3ff;--logo2:#f35ce5;background:#10131a}body[data-theme="modern"]{--bg:#172033;--panel:#202a3be8;--line:#435470;--text:#edf2f7;--muted:#aebbd0;--accent:#3b82f6;--accent2:#60a5fa;--message:#111827e5;--input:#121b2a;--logo1:#b8f3ff;--logo2:#9d8cff;background:linear-gradient(#0c1623a8,#0c1623a8),url('assets/retro-chat-background.png') center/cover fixed}body[data-theme="retro"]{--bg:#050b14;--panel:#07101ce0;--line:#1e92ad;--text:#b8f8ff;--muted:#78b6c4;--accent:#079cb7;--accent2:#5cf2df;--message:#02070dd8;--input:#04101b;--logo1:#c8ffff;--logo2:#57d1ff;background:linear-gradient(#0208149c,#0208149c),url('assets/retro-chat-background.png') center/cover fixed}.user-group-title{margin:13px 0 5px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.09em}.empty-group{padding:5px 9px;color:var(--muted);font-size:12px}
body[data-theme="base"],body[data-theme="modern"],body[data-theme="retro"],body[data-theme="dark"],body[data-theme="neon"]{background:linear-gradient(#050716ad,#050716ad),url('assets/retrocset-background.png') center/cover fixed}
body[data-theme="base"],body[data-theme="modern"],body[data-theme="retro"],body[data-theme="dark"],body[data-theme="neon"]{background-position:center top}body{isolation:isolate}body::before{content:'RetroCset';position:fixed;z-index:0;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;white-space:nowrap;font:900 italic clamp(54px,11vw,260px)/1 Segoe UI,Tahoma,sans-serif;letter-spacing:-.07em;color:#d8f8ff;text-shadow:0 0 7px #fff,0 0 18px #18dcff,0 0 36px #f229e8,0 0 70px #5825ff;opacity:.48}.auth-screen,.app-shell{position:relative;z-index:1}
body[data-theme="classic"]{--bg:#07152a;--panel:#0b1d37ed;--line:#39618f;--text:#e4edf9;--muted:#a8bfdc;--accent:#2d5dc8;--accent2:#70d1ff;--message:#07182de8;--input:#071527;--logo1:#e4f7ff;--logo2:#6bb9ff;background:radial-gradient(circle at 50% 0,#173d72 0,#071326 58%,#040a14 100%)}body[data-theme="classic"] .topbar,body[data-theme="classic"] .channel-header,body[data-theme="classic"] .message-input{background:linear-gradient(180deg,#173f7ed9,#092143e8)}body[data-theme="classic"] .sidebar{background:linear-gradient(180deg,#0e2a4fde,#071a32e8)}body[data-theme="classic"] .chat-panel{background:#06172beF}body[data-theme="classic"] .room.active{background:linear-gradient(90deg,#1f5bc4,#3273df);box-shadow:inset 0 0 0 1px #78c9ff,0 0 12px #2a72dc88}body[data-theme="classic"] .messages{font-family:Consolas,"Courier New",monospace;font-size:14px}.private-section{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}.private-title{margin:0 1px 8px;color:var(--accent2);font-size:11px;font-weight:800;letter-spacing:.07em}