iitm-bsyatra/cgpaccalculator.html at main · thearpit05/iitm-bsyatra · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>CGPA Calculator | IITM BSYATRA</title>
  <script src="https://cdn.tailwindcss.com"></script>
  <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" rel="stylesheet" />
  <style>
    @import url("https://fonts.googleapis.com/css2?family=Inter&display=swap");

    /* --- Styles from your navbar and footer preserved --- */
    .nav-3d {
      background: #000;
      border-radius: 1rem;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.9), inset 0 0 10px #4db8ff, 0 0 15px #4db8ff;
      transition: box-shadow 0.3s ease;
      perspective: 800px;
      transform-style: preserve-3d;
    }

    .nav-3d a {
      text-shadow: 0 0 5px #4db8ff, 0 0 10px #4db8ff;
      transition: transform 0.3s ease, text-shadow 0.3s ease;
      display: inline-block;
      transform-style: preserve-3d;
      will-change: transform;
      cursor: pointer;
    }

    .nav-3d a:hover {
      text-shadow: 0 0 15px #4db8ff, 0 0 25px #4db8ff, 0 0 35px #1a8cff;
      transform: translateZ(15px) scale(1.1);
    }

    .nav-3d a.login-btn {
      background: linear-gradient(145deg, #4db8ff, #1a8cff);
      box-shadow: 0 5px 15px #4db8ff, inset 0 0 8px #1a8cff;
      color: black;
      text-shadow: none;
    }

    .nav-3d a.login-btn:hover {
      background: linear-gradient(145deg, #1a8cff, #4db8ff);
      box-shadow: 0 7px 20px #1a8cff, inset 0 0 10px #4db8ff;
      transform: translateZ(20px) scale(1.1);
    }

    .icon-3d {
      position: relative;
      width: 40px;
      height: 40px;
      border-radius: 0.75rem;
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      box-shadow: 0 0 10px #7c3aed, 0 0 20px #8b5cf6, 0 0 30px #a78bfa, inset 0 0 10px #c4b5fd;
      display: flex;
      align-items: center;
      justify-content: center;
      filter: drop-shadow(0 0 10px #7c3aed);
      transform-style: preserve-3d;
      transform: rotateX(15deg) rotateY(15deg);
      transition: transform 0.3s ease;
    }

    .icon-3d:hover {
      transform: rotateX(0deg) rotateY(0deg) scale(1.05);
    }

    .shine {
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: linear-gradient(120deg,
          rgba(255, 255, 255, 0) 30%,
          rgba(255, 255, 255, 0.3) 50%,
          rgba(255, 255, 255, 0) 70%);
      transform: rotate(25deg);
      animation: shineMove 3s infinite;
      pointer-events: none;
      border-radius: 1rem;
      mix-blend-mode: screen;
    }

    @keyframes shineMove {
      0% {
        transform: translateX(-100%) rotate(25deg);
      }

      100% {
        transform: translateX(100%) rotate(25deg);
      }
    }

    .footer {
      background: #0f172a;
      color: #ffffff;
      font-family: 'Inter', sans-serif;
      padding: 4rem 2rem;
    }

    .footer-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 2.5rem;
      max-width: 1280px;
      margin: 0 auto;
    }

    .footer-logo,
    .footer-socials,
    .footer-section,
    .footer-contact {
      margin-bottom: 1.5rem;
    }

    .footer-bottom {
      border-top: 1px solid #334155;
      margin-top: 3rem;
      padding-top: 1.5rem;
      font-size: 0.8rem;
      text-align: center;
      color: #64748b;
    }

    .footer-bottom div a {
      margin: 0 1rem;
      color: #64748b;
    }

    .footer-bottom div a:hover {
      color: #60a5fa;
    }
  </style>
</head>

<body class="bg-black text-white font-['Inter']">

  <!-- NAVBAR -->
  <nav class="max-w-7xl mx-auto my-4 px-6 py-3 flex items-center justify-between nav-3d">
    <div class="flex items-center space-x-4">
      <div class="icon-3d relative">
        <img alt="Logo" src="https://storage.googleapis.com/a1aa/image/9d9826d9-ba7e-4744-b31c-55af136d1872.jpg"
          width="40" height="40" />
        <div class="shine"></div>
      </div>
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        <h1 class="text-white text-lg font-bold tracking-wide">IITM</h1>
        <h2 class="text-white text-sm tracking-widest">BSYATRA</h2>
      </div>
    </div>

    <div class="flex space-x-8">
      <a class="text-white text-lg font-normal font-['Inter']" href="index.html">Home</a>
      <a class="text-white text-lg font-normal font-['Inter']" href="#">Quiz </a>
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    </div>

    <a class="text-lg font-semibold rounded-lg px-6 py-2 login-btn" href="#">Log In</a>
  </nav>

  <!-- MAIN SECTION: CGPA CALCULATOR -->
  <main class="max-w-3xl mx-auto px-6 py-10 bg-gray-900 rounded-xl shadow-xl mt-10 mb-16">
    <h2 class="text-3xl font-bold mb-6 text-center text-blue-400">CGPA Calculator</h2>
    <p class="text-gray-300 mb-4">Enter your academic details below to calculate your total CGPA.</p>

    <form id="cgpaForm" class="space-y-5">
      <div>
        <label class="block text-gray-300">Previous Term CGPA (0 if none):</label>
        <input type="number" step="0.01" id="lastCgpa" placeholder="e.g., 8.23"
          class="w-full p-2 rounded bg-gray-800 text-white border border-blue-500" required />
      </div>
      <div>
        <label class="block text-gray-300">Total Subjects Completed till Last Term:</label>
        <input type="number" id="completedSubjects" placeholder="e.g., 8"
          class="w-full p-2 rounded bg-gray-800 text-white border border-blue-500" required />
      </div>
      <div>
        <label class="block text-gray-300">Grades this Term (comma-separated, e.g., A,B,C):</label>
        <input type="text" id="grades" placeholder="S, A, B, C etc."
          class="w-full p-2 rounded bg-gray-800 text-white border border-blue-500" required />
      </div>
      <div>
        <label class="block text-gray-300">Number of Subjects in Current Term:</label>
        <input type="number" id="currentSubjects" placeholder="e.g., 4"
          class="w-full p-2 rounded bg-gray-800 text-white border border-blue-500" required />
      </div>
      <button type="submit"
        class="w-full py-2 bg-blue-600 hover:bg-blue-700 rounded text-white font-bold transition">Calculate</button>
    </form>

    <h3 class="mt-6 text-xl font-semibold text-center">Your Total CGPA: <span id="result" class="text-blue-400">-</span>
    </h3>
  </main>


  <!-- SCRIPT -->
  <script>
    const gradePoints = {
      'S': 10, 'A': 9, 'B': 8, 'C': 7, 'D': 6, 'E': 5, 'F': 0
    };

    document.getElementById('cgpaForm').addEventListener('submit', function (e) {
      e.preventDefault();
      const lastCgpa = parseFloat(document.getElementById('lastCgpa').value);
      const completedSubjects = parseInt(document.getElementById('completedSubjects').value);
      const gradesInput = document.getElementById('grades').value.trim().toUpperCase();
      const currentSubjects = parseInt(document.getElementById('currentSubjects').value);

      const grades = gradesInput.split(',').map(g => g.trim());

      if (grades.length !== currentSubjects) {
        alert("Number of grades and subjects must match!");
        return;
      }

      let totalPoints = lastCgpa * completedSubjects;
      for (let grade of grades) {
        if (!gradePoints.hasOwnProperty(grade)) {
          alert("Invalid grade: " + grade);
          return;
        }
        totalPoints += gradePoints[grade];
      }

      const totalSubjects = completedSubjects + currentSubjects;
      const cgpa = (totalPoints / totalSubjects).toFixed(2);
      document.getElementById('result').innerText = cgpa;
    });
  </script>

</body>

<footer class="footer">
  <div class="footer-container">

    <!-- LOGO Section -->
    <div class="footer-brand">
      <div class="footer-logo">
        <img alt="Logo" src="https://storage.googleapis.com/a1aa/image/9d9826d9-ba7e-4744-b31c-55af136d1872.jpg" />
        <h2>IITM BSYATRA</h2>
      </div>
      <p>A platform by IITM BS students to help you <span>learn smarter</span>.</p>
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      <h3>Resources</h3>
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        <li><a href="#">Lectures</a></li>
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      <h3>DS Documents</h3>
      <ul>
        <li><a href="IITM BS Degree Programme - Student Handbook (Updated 08052025) - Student version.html">DS
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      <h3>Contact</h3>
      <p>Email: <a href="mailto:founder@bsyatra.in">founder@bsyatra.in</a></p>
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    © 2025 IITM BS Yatra. All rights reserved.| Built with <span class="text-red-500">❤</span>  by IITM BS Students(Arpit Verma)
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