<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>GSC</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            background-image: url('https://one.sti.edu/images/bg_1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .container {
            width: 290px;
            height: 195px;
            border: 1px solid rgba(0, 0, 0, 0.397);
            padding: 5px;
            border-radius: 8px;
            box-shadow: 0 0.01px 20px rgba(0, 0, 0, 0.397);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            background-color: rgba(0, 0, 0, 0.397);
        }
        h1 {
            text-align: center;
            color: #fff;
            margin: 5px 0;
            font-size: 12px;
            position: relative;
            z-index: 1;
        }
        .input-group {
            display: flex;
            flex-direction: row;
            justify-content: space-between;
            width: 100%;
            margin-bottom: 2px;
        }
        label {
            color: #fff;
            font-size: 10px;
            width: 40%;
        }
        input {
            padding: 2px;
            border: 1px solid rgba(255, 255, 255, 0.9);
            border-radius: 5px;
            box-sizing: border-box;
            font-size: 10px;
            width: 160%;
            z-index: 1;
            outline: none;
        }
        input:focus {
            outline: none;
        }
        button {
            margin-top: auto;
            padding: 4px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 10px;
            transition: background-color 0.3s;
            z-index: 1;
            width: 20%;
            outline: none;
        }
        button:hover {
            background-color: #007bff9d;
            outline: none;
        }
        h2 {
            text-align: center;
            color: #fff;
            margin-top: 5px;
            font-size: 10px;
            position: relative;
            z-index: 1;
        }
        p {
            text-align: center;
            color: #fff;
            font-size: 10px;
            margin-top: 5px; 
        }
    </style>
</head>
<body>
    <audio autoplay loop>
        <source src="https://28093.live.streamtheworld.com/LOVERADIO_MNL.mp3" type="audio/mpeg">
    </audio>
    <div class="container">
        <h1>STI College</h1>
        <p>Input your grades for each term to calculate your final GWA</p>

        <div class="input-group">
            <label for="prelim">Prelim:</label>
            <input type="number" id="prelim" required>
        </div>

        <div class="input-group">
            <label for="midterm">Midterm:</label>
            <input type="number" id="midterm" required>
        </div>

        <div class="input-group">
            <label for="pre_finals">Pre Finals:</label>
            <input type="number" id="pre_finals" required>
        </div>

        <div class="input-group">
            <label for="finals">Finals:</label>
            <input type="number" id="finals" required>
        </div>

        <h2 id="result"></h2>

        <button onclick="calculateGrade()">Calculate</button>
    </div>
    <script>
    function calculateGrade() {
    const prelim = parseFloat(document.getElementById('prelim').value);
    const midterm = parseFloat(document.getElementById('midterm').value);
    const pre_finals = parseFloat(document.getElementById('pre_finals').value);
    const finals = parseFloat(document.getElementById('finals').value);

    const average = (prelim + midterm + pre_finals + finals) / 4;

    let grade;
    if (average >= 97.50 && average <= 100) {
        grade = "1.00 (Excellent)";
    } else if (average >= 94.50 && average < 97.50) {
        grade = "1.25 (Very Good)";
    } else if (average >= 91.50 && average < 94.50) {
        grade = "1.50 (Very Good)";
    } else if (average >= 88.50 && average < 91.50) {
        grade = "1.75 (Very Good)";
    } else if (average >= 85.50 && average < 88.50) {
        grade = "2.00 (Satisfactory)";
    } else if (average >= 81.50 && average < 85.50) {
        grade = "2.25 (Satisfactory)";
    } else if (average >= 77.50 && average < 81.50) {
        grade = "2.50 (Satisfactory)";
    } else if (average >= 73.50 && average < 77.50) {
        grade = "2.75 (Fair)";
    } else if (average >= 69.50 && average < 73.50) {
        grade = "3.00 (Fair)";
    } else if (average >= 69.49) {
        grade = "5.00 (Failed)";
    }
    document.getElementById('result').innerText = `Final Grade: ${grade} (Average: ${average.toFixed(2)}%)`;
    }
    </script>
    <script disable-devtool-auto src='https://cdn.jsdelivr.net/npm/disable-devtool'></script>
</body>
</html>