body {
      margin: 0;
      font-family: "Inter", sans-serif;
      background: linear-gradient(135deg, #0f172a, #1e293b, #0f172a);
      background-size: 400% 400%;
      animation: gradientShift 15s ease infinite;
      color: #f1f5f9;
      height: 100vh;
      width: 100vw;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    .chat-container {
      width: 100%;
      height: 100%;
      background: rgba(30, 41, 59, 0.95);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    /* Header bar */
    .chat-header {
      background: #1e293b;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid #334155;
    }

    .chat-header img {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      object-fit: cover;
    }

    .chat-header .info {
      display: flex;
      flex-direction: column;
    }

    .chat-header .info .name {
      font-weight: 600;
      font-size: 15px;
    }

    .chat-header .info .status {
      font-size: 12px;
      color: #22c55e;
    }

    /* Messages */
    .chat-messages {
      flex: 1;
      padding: 16px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .message {
      max-width: 80%;
      padding: 10px 14px;
      border-radius: 16px;
      line-height: 1.4;
      font-size: 15px;
      white-space: pre-wrap;
      word-wrap: break-word;
      opacity: 0;
      transform: translateY(10px);
      animation: fadeIn 0.3s forwards;
    }

    .message.bot {
      background: #334155;
      align-self: flex-start;
      border-bottom-left-radius: 4px;
    }

    .message.user {
      background: #3b82f6;
      align-self: flex-end;
      border-bottom-right-radius: 4px;
    }

    .typing-indicator {
      display: flex;
      gap: 4px;
      align-items: center;
      padding: 8px 12px;
      background: #334155;
      border-radius: 12px;
      width: fit-content;
      margin-bottom: 8px;
    }

    .typing-indicator span {
      width: 6px;
      height: 6px;
      background: #f1f5f9;
      border-radius: 50%;
      animation: blink 1.4s infinite both;
    }

    .typing-indicator span:nth-child(2) {
      animation-delay: 0.2s;
    }
    .typing-indicator span:nth-child(3) {
      animation-delay: 0.4s;
    }

    @keyframes blink {
      0%, 80%, 100% { opacity: 0.2; }
      40% { opacity: 1; }
    }

    @keyframes fadeIn {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Fake input */
    .chat-input {
      padding: 12px;
      background: #0f172a;
      border-top: 1px solid #334155;
    }

    .chat-input input {
      width: 100%;
      padding: 10px;
      border-radius: 8px;
      border: none;
      background: #1e293b;
      color: #94a3b8;
      font-size: 14px;
    }

    .chat-input input:disabled {
      opacity: 0.6;
    }

    /* Social icons inside bot message */
    .social-links {
      margin-top: 8px;
      display: flex;
      gap: 12px;
    }

    .social-links a {
      color: #f1f5f9;
      font-size: 18px;
      transition: color 0.2s;
    }

    .social-links a:hover {
      color: #3b82f6;
    }

    /* Mobile adjustments */
    @media (max-width: 600px) {
      .chat-messages {
        padding: 12px;
      }
      .message {
        max-width: 90%;
        font-size: 14px;
        padding: 8px 12px;
      }
      .chat-header .info .name {
        font-size: 14px;
      }
      .chat-header .info .status {
        font-size: 11px;
      }
    }