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Blog de tecnología: Plantilla HTML de tecnología y software

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Smart Chat</title>
  <link href="https://fonts.googleapis.com/css2?family=Fredoka+One&display=swap" rel="stylesheet">
  <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css" rel="stylesheet">
  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Fredoka One', sans-serif;
    }
    body {
      background: #0d0d0d;
      color: white;
      min-height: 100vh;
      padding: 40px;
      position: relative;
    }
    .chat-button {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background-color: rgba(0, 255, 128, 0.2);
      border: 2px solid rgba(0, 255, 128, 0.6);
      color: white;
      font-size: 32px;
      width: 80px;
      height: 80px;
      border-radius: 50%;
      cursor: pointer;
      transition: 0.3s;
      backdrop-filter: blur(10px);
      box-shadow: 0 0 12px rgba(0,255,128,0.3);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .chat-button:hover {
      background-color: rgba(0, 255, 128, 0.3);
    }
    .chat-box {
      margin-top: 30px;
      width: 600px;
      background-color: rgba(0, 0, 0, 0.65);
      border: 1px solid rgba(0, 255, 128, 0.2);
      backdrop-filter: blur(12px);
      border-radius: 20px;
      padding: 20px;
      display: none;
      flex-direction: column;
      box-shadow: 0 0 12px rgba(0, 255, 128, 0.1);
      margin: 0 auto;
      margin-top: 100px;
    }
    .messages {
      flex-grow: 1;
      overflow-y: auto;
      max-height: 300px;
      margin-bottom: 10px;
    }
    .message {
      margin-bottom: 10px;
      padding: 10px;
      background-color: rgba(255,255,255,0.05);
      border-radius: 12px;
    }
    .input-area {
      display: flex;
      gap: 10px;
    }
    .input-area input {
      flex: 1;
      padding: 10px;
      border: 1px solid rgba(0, 255, 128, 0.2);
      background-color: rgba(255,255,255,0.03);
      border-radius: 10px;
      color: white;
    }
    .input-area button {
      background-color: rgba(0, 255, 128, 0.2);
      border: 2px solid rgba(0, 255, 128, 0.6);
      backdrop-filter: blur(10px);
      box-shadow: 0 0 12px rgba(0,255,128,0.3);
      color: white;
      padding: 10px 20px;
      border-radius: 10px;
      cursor: pointer;
      transition: 0.3s;
      font-size: 16px;
    }
    .input-area button:hover {
      background-color: rgba(0, 255, 128, 0.3);
    }
    .loading {
      display: inline-block;
      margin-left: 10px;
    }
    .loading span {
      display: inline-block;
      width: 8px;
      height: 8px;
      margin: 0 2px;
      background: white;
      border-radius: 50%;
      animation: blink 1s infinite alternate;
    }
    .loading span:nth-child(2) { animation-delay: 0.2s; }
    .loading span:nth-child(3) { animation-delay: 0.4s; }
    @keyframes blink {
      0% { opacity: 0.3; transform: scale(0.8);}
      100% { opacity: 1; transform: scale(1);}
    }
  </style>
</head>
<body>

chatButton.addEventListener('click', () => {
    chatBox.style.display = 'flex';
    chatButton.style.display = 'none';
  });

function sendMessage() {
    const input = document.getElementById('userInput');
    const text = input.value.trim();
    if (text === '') return;

appendMessage('You', text);
    input.value = '';

const loadingMessage = document.createElement('div');
    loadingMessage.className = 'message';
    loadingMessage.innerHTML = `<i class="fas fa-robot"></i> Assistant <div class="loading"><span></span><span></span><span></span></div>`;
    messagesDiv.appendChild(loadingMessage);
    messagesDiv.scrollTop = messagesDiv.scrollHeight;

setTimeout(() => {
      loadingMessage.remove();
      respond(text.toLowerCase());
    }, 2000);
  }

function respond(userText) {
    let reply = "Typing...";

if (userText.includes('how are you')) {
      reply = "I'm good, thanks! You?";
    } else if (userText.includes('what is your name')) {
      reply = "My name is Assistant!";
    } else if (userText.includes('what is this site')) {
      reply = "This is a smart chat demo!";
    } else if (userText.includes('hello')) {
      reply = "Hello!";
    } else {
      reply = "I did not understand the question.";
    }

appendMessage('Assistant', reply);
  }
</script>

</body>
</html>

CSS