body {
      font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    }

    body::before {
      content: '';
      position: fixed;
      top: 50%;
      left: 50%;
      width: 120vmin;
      height: 120vmin;
      background: radial-gradient(circle at center,
        rgba(123,97,255,0.25) 0%,
        rgba(123,97,255,0.1) 30%,
        rgba(10,10,20,0.9) 70%);
      transform: translate(-50%, -50%);
      filter: blur(80px);
      z-index: 0;
    }

    .center-glow {
      position: absolute;
      left: 50%;
      top: 36%;
      transform: translate(-50%, -50%);
      pointer-events: none;
      width: 64vmin;
      height: 28vmin;
      background: radial-gradient(closest-side, rgba(123,97,255,0.18), rgba(123,97,255,0.06) 35%, transparent 60%);
      filter: blur(20px);
      mix-blend-mode: screen;
      z-index: 0;
    }

    .neon-text {
      text-shadow: 0 6px 18px rgba(123,97,255,0.12);
    }

    .panel-glow::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      top: -30px;
      width: 160px;
      height: 12px;
      background: linear-gradient(90deg, transparent, rgba(123,97,255,0.25), transparent);
      filter: blur(10px);
      border-radius: 999px;
      opacity: .9;
    }

    #chat-box::-webkit-scrollbar { width: 8px }
    #chat-box::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 20px }