<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <title>Qwen Cloud - Time Tools</title>

  <meta name="viewport" content="width=device-width, initial-scale=1">

  <style>

    body {

      font-family: Arial, sans-serif;

      background: #f5f7fa;

      margin: 0;

      padding: 0;

    }

    .container {

      max-width: 700px;

      margin: 40px auto;

      background: white;

      padding: 30px;

      border-radius: 12px;

      box-shadow: 0 6px 20px rgba(0,0,0,0.08);

    }

    h1 {

      text-align: center;

      margin-bottom: 20px;

    }

    .section {

      margin-bottom: 40px;

    }

    label {

      font-weight: bold;

    }

    input, button {

      padding: 10px;

      font-size: 16px;

      width: 100%;

      margin-top: 8px;

      border-radius: 6px;

      border: 1px solid #ccc;

      box-sizing: border-box;

    }

    button {

      background: black;

      color: white;

      cursor: pointer;

    }

    .result {

      margin-top: 15px;

      font-size: 18px;

      font-weight: bold;

    }

    .footer {

      margin-top: 40px;

      text-align: center;

      color: #888;

    }

  </style>

</head>

<body>

  <div class="container">

    <h1>Qwen Cloud - Time Tools</h1>


    <!-- Local Time -->

    <div class="section">

      <h2>Current Local Time</h2>

      <div id="local-time" class="result"></div>

    </div>


    <!-- Timestamp converter -->

    <div class="section">

      <h2>Timestamp → Local Time</h2>

      <label>Enter Timestamp (in seconds):</label>

      <input type="number" id="timestamp-input">

      <button onclick="convertTimestamp()">Convert</button>

      <div id="timestamp-result" class="result"></div>

    </div>


    <!-- Local time to timestamp -->

    <div class="section">

      <h2>Local Time → Timestamp</h2>

      <input type="datetime-local" id="localtime-input">

      <button onclick="convertToTimestamp()">Convert</button>

      <div id="localtime-result" class="result"></div>

    </div>


    <!-- Countdown -->

    <div class="section">

      <h2>Countdown Timer</h2>

      <input type="number" id="countdown-input" placeholder="Enter seconds">

      <button onclick="startCountdown()">Start</button>

      <div id="countdown-display" class="result"></div>

    </div>


    <div class="footer">

      Qwen Cloud - Simple Online Time Tools

    </div>

  </div>


  <script>

    // Local time

    function updateLocalTime() {

      document.getElementById("local-time").innerText = new Date().toLocaleString();

    }

    setInterval(updateLocalTime, 1000);


    // Timestamp → Local time

    function convertTimestamp() {

      const ts = document.getElementById("timestamp-input").value;

      if (!ts) return;

      document.getElementById("timestamp-result").innerText =

        new Date(ts * 1000).toLocaleString();

    }


    // Local time → Timestamp

    function convertToTimestamp() {

      const dt = document.getElementById("localtime-input").value;

      if (!dt) return;

      document.getElementById("localtime-result").innerText =

        Math.floor(new Date(dt).getTime() / 1000);

    }


    // Countdown

    let countdownTimer;

    function startCountdown() {

      let sec = parseInt(document.getElementById("countdown-input").value);

      if (!sec) return;


      clearInterval(countdownTimer);

      countdownTimer = setInterval(() => {

        document.getElementById("countdown-display").innerText =

          sec + " seconds remaining";

        sec--;

        if (sec < 0) {

          clearInterval(countdownTimer);

          document.getElementById("countdown-display").innerText = "Time's up!";

        }

      }, 1000);

    }

  </script>

</body>

</html>