:root{--chat-bg: #0a0a0a;--chat-border: #222;--chat-yellow: #FFD700;--chat-other: #4a5568}.chat-toggle-btn{position:fixed;bottom:20px;right:20px;width:56px;height:56px;background:var(--chat-yellow);border:none;border-radius:50%;cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 4px 20px #ffd7004d}.chat-toggle-btn:hover{transform:scale(1.08);box-shadow:0 6px 25px #ffd70080}.chat-icon{font-size:1.5rem;filter:grayscale(1) brightness(0)}.chat-unread{position:absolute;top:-5px;right:-5px;min-width:20px;height:20px;background:#ef4444;color:#fff;font-size:.7rem;font-weight:700;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 5px;font-family:JetBrains Mono,monospace}.chat-box{position:fixed;bottom:90px;right:20px;width:350px;height:540px;background:var(--chat-bg);border:1px solid var(--chat-border);border-radius:12px;z-index:1001;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 10px 40px #00000080;animation:chatSlideIn .2s ease}@keyframes chatSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:15px;border-bottom:1px solid var(--chat-border);background:#ffffff05}.chat-title{font-size:.85rem;color:var(--chat-yellow);letter-spacing:1px;font-family:JetBrains Mono,monospace}.chat-online{color:#4ade80;font-size:.7rem;margin-left:5px;position:relative}.chat-online:hover .online-tooltip{display:block}.online-tooltip{display:none;position:absolute;top:100%;left:0;margin-top:8px;background:#111;border:1px solid #333;border-radius:6px;padding:8px 12px;font-size:.75rem;color:#ccc;white-space:nowrap;z-index:100;box-shadow:0 4px 15px #0006}.online-tooltip:before{content:"";position:absolute;top:-6px;left:15px;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:6px solid #333}.online-user{display:block;padding:2px 0;color:#4ade80}.chat-close{background:transparent;border:none;color:#666;font-size:1rem;cursor:pointer;padding:5px;transition:color .2s}.chat-close:hover{color:#fff}.chat-messages{flex:1;overflow-y:auto;padding:15px;display:flex;flex-direction:column;gap:12px}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#333;border-radius:3px}.chat-loading{text-align:center;color:#555;font-size:.85rem;padding:20px}.chat-message{max-width:85%;padding:10px 12px;border-radius:8px;font-size:.85rem;font-family:JetBrains Mono,monospace}.chat-message.own{align-self:flex-end;background:#ffd70026;border:1px solid rgba(255,215,0,.3)}.chat-message.other{align-self:flex-start;background:#ffffff0d;border:1px solid var(--chat-border)}.chat-msg-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px;gap:10px}.chat-msg-user{font-size:.7rem;font-weight:500}.chat-message.own .chat-msg-user{color:var(--chat-yellow)}.chat-message.other .chat-msg-user{color:#888}.chat-msg-time{font-size:.65rem;color:#555}.chat-msg-text{color:#ccc;line-height:1.4;word-break:break-word}.chat-input-area{display:flex;gap:10px;padding:15px;border-top:1px solid var(--chat-border);background:#ffffff05}.chat-input{flex:1;padding:10px 14px;background:#000;border:1px solid var(--chat-border);border-radius:6px;color:#fff;font-family:JetBrains Mono,monospace;font-size:.85rem;outline:none;transition:border-color .2s}.chat-input:focus{border-color:var(--chat-yellow)}.chat-input::placeholder{color:#444}.chat-send-btn{width:40px;height:40px;background:var(--chat-yellow);border:none;border-radius:6px;color:#000;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.chat-send-btn svg{transform:rotate(-30deg);margin-left:2px}.chat-send-btn:hover{box-shadow:0 0 15px #ffd70066}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}@media(max-width:480px){.chat-box{width:calc(100vw - 40px);height:60vh;bottom:80px;right:20px}}