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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>Exam Countdown</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600&family=Playfair+Display:wght@700&display=swap" rel="stylesheet">
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
--glass-bg: rgba(255, 255, 255, 0.03);
--glass-border: rgba(255, 255, 255, 0.08);
--text-primary: rgba(255, 255, 255, 0.95);
--text-secondary: rgba(255, 255, 255, 0.6);
--text-muted: rgba(255, 255, 255, 0.4);
}
body {
font-family: 'Lexend', sans-serif;
background: #000000;
min-height: 100vh;
color: var(--text-primary);
overflow-x: hidden;
position: relative;
}
/* Subtle animated gradient orbs */
body::before,
body::after {
content: '';
position: fixed;
border-radius: 50%;
filter: blur(150px);
opacity: 0.15;
animation: float 20s infinite ease-in-out;
pointer-events: none;
}
body::before {
width: 600px; height: 600px;
background: radial-gradient(circle, #ffffff 0%, transparent 70%);
top: -200px; right: -200px;
}
body::after {
width: 800px; height: 800px;
background: radial-gradient(circle, #ffffff 0%, transparent 70%);
bottom: -300px; left: -300px;
animation-delay: 10s;
}
@keyframes float {
0%, 100% { transform: translate(0, 0) scale(1); }
33% { transform: translate(30px, -30px) scale(1.1); }
66% { transform: translate(-20px, 20px) scale(0.9); }
}
/* Subtle particles */
.particles { position: fixed; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; z-index: 1; pointer-events: none; }
.particle { position: absolute; width: 1px; height: 1px; background: white; border-radius: 50%; opacity: 0; animation: twinkle 5s infinite; }
@keyframes twinkle {
0%, 100% { opacity: 0; transform: scale(0.5); }
50% { opacity: 0.8; transform: scale(1); }
}
/* Full-width container */
.container {
width: 100%;
max-width: none;
margin: 0 auto;
padding: 3rem 2rem;
position: relative;
z-index: 2;
}
/* Clean header */
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5rem; padding-bottom: 2rem; position: relative; }
.header::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1) 20%, rgba(255, 255, 255, 0.1) 80%, transparent); }
h1 {
font-family: 'Lexend', sans-serif;
font-size: 2.5rem;
font-weight: 300;
letter-spacing: -1px;
background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.6) 100%);
-webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
/* Glass settings button */
.settings-btn { width: 50px; height: 50px; background: var(--glass-bg); backdrop-filter: blur(20px) saturate(180%); -webkit-backdrop-filter: blur(20px) saturate(180%); border: 1px solid var(--glass-border); border-radius: 16px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1); position: relative; overflow: hidden; }
.settings-btn::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%); opacity: 0; transition: opacity 0.3s ease; }
.settings-btn:hover { transform: scale(1.05); background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.2); }
.settings-btn:hover::before { opacity: 1; }
.settings-btn svg { width: 24px; height: 24px; fill: var(--text-primary); transition: transform 0.4s ease; }
.settings-btn:hover svg { transform: rotate(90deg); }
/* Glass exam grid (rectangular cards, auto height) */
.exams-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; grid-auto-rows: auto; align-items: start; }
/* Glassmorphic exam cards */
.exam-card { background: var(--glass-bg); backdrop-filter: blur(40px) saturate(180%); -webkit-backdrop-filter: blur(40px) saturate(180%); border: 1px solid var(--glass-border); border-radius: 24px; padding: 2.5rem; text-align: center; transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1); position: relative; overflow: hidden; min-height: 220px; cursor: pointer; }
.exam-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2) 50%, transparent); opacity: 0; transition: opacity 0.3s ease; }
.exam-card::after { content: ''; position: absolute; inset: 0; background: radial-gradient( 600px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.06), transparent 40% ); opacity: 0; transition: opacity 0.3s ease; pointer-events: none; }
.exam-card:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.15); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1); }
.exam-card:hover::before, .exam-card:hover::after { opacity: 1; }
.exam-name {
font-size: 1.4rem;
font-weight: 400;
margin-bottom: 2rem;
color: var(--text-primary);
letter-spacing: -0.5px;
}
.countdown {
font-family: 'Playfair Display', serif;
font-size: 4.5rem;
font-weight: 700;
margin-bottom: 0.5rem;
letter-spacing: -2px;
line-height: 1.1;
background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
-webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.countdown-label { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 2px; font-weight: 500; }
.exam-date { font-size: 0.9rem; color: var(--text-muted); margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.05); }
/* Syllabus indicator badge */
.syllabus-badge {
position: absolute;
top: 1.5rem;
left: 1.5rem;
padding: 0.4rem 0.8rem;
background: rgba(255, 255, 255, 0.08);
border: 1px solid rgba(255, 255, 255, 0.1);
border-radius: 8px;
font-size: 0.7rem;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 1px;
display: flex;
align-items: center;
gap: 0.4rem;
opacity: 0;
transition: opacity 0.3s ease;
}
.syllabus-badge.has-syllabus {
opacity: 1;
background: rgba(100, 200, 100, 0.15);
border-color: rgba(100, 200, 100, 0.3);
color: rgba(150, 255, 150, 0.9);
}
.exam-card:hover .syllabus-badge {
opacity: 1;
}
.syllabus-badge svg {
width: 12px;
height: 12px;
fill: currentColor;
}
/* Click hint */
.click-hint {
position: absolute;
bottom: 1rem;
left: 50%;
transform: translateX(-50%);
font-size: 0.7rem;
color: var(--text-muted);
opacity: 0;
transition: opacity 0.3s ease;
text-transform: uppercase;
letter-spacing: 1px;
}
.exam-card:hover .click-hint {
opacity: 0.6;
}
/* Minimal delete button */
.delete-btn { position: absolute; top: 1.5rem; right: 1.5rem; width: 32px; height: 32px; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s ease; opacity: 0; z-index: 10; }
.exam-card:hover .delete-btn { opacity: 1; }
.delete-btn:hover { background: rgba(255, 100, 100, 0.15); border-color: rgba(255, 100, 100, 0.3); transform: scale(1.1); }
.delete-btn svg { width: 16px; height: 16px; fill: var(--text-secondary); transition: fill 0.3s ease; pointer-events: none; }
.delete-btn:hover svg { fill: rgba(255, 150, 150, 1); }
/* Glass modal */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 1000; align-items: center; justify-content: center; padding: 2rem; opacity: 0; transition: opacity 0.3s ease; }
.modal.active { display: flex; opacity: 1; }
.modal-content { background: rgba(255, 255, 255, 0.03); backdrop-filter: blur(40px) saturate(180%); -webkit-backdrop-filter: blur(40px) saturate(180%); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 24px; padding: 3rem; width: 100%; max-width: 450px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1); animation: modalSlide 0.4s cubic-bezier(0.23, 1, 0.320, 1); }
/* Syllabus modal is wider */
.modal-content.syllabus-modal-content {
max-width: 650px;
max-height: 85vh;
overflow-y: auto;
}
@keyframes modalSlide { from { transform: translateY(-20px) scale(0.95); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.modal-title { font-family: 'Lexend', sans-serif; font-size: 1.5rem; font-weight: 400; letter-spacing: -0.5px; }
.modal-subtitle { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; }
.close-btn { width: 36px; height: 36px; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 10px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; flex-shrink: 0; }
.close-btn:hover { background: rgba(255, 255, 255, 0.08); transform: rotate(90deg); }
.close-btn svg { width: 18px; height: 18px; fill: var(--text-secondary); }
/* Clean form */
.form-group { margin-bottom: 2rem; }
.form-group label { display: block; margin-bottom: 0.75rem; font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; letter-spacing: 0.5px; }
.form-group input,
.form-group textarea {
width: 100%;
padding: 1rem 1.25rem;
background: rgba(255, 255, 255, 0.03);
border: 1px solid rgba(255, 255, 255, 0.08);
border-radius: 12px;
color: var(--text-primary);
font-size: 1rem;
transition: all 0.3s ease;
font-family: 'Lexend', sans-serif;
}
.form-group textarea {
resize: vertical;
min-height: 200px;
line-height: 1.7;
}
.form-group input:focus,
.form-group textarea:focus {
outline: none;
background: rgba(255, 255, 255, 0.05);
border-color: rgba(255, 255, 255, 0.2);
box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.02), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
color: var(--text-muted);
}
/* Syllabus tips */
.syllabus-tips {
background: rgba(255, 255, 255, 0.02);
border: 1px solid rgba(255, 255, 255, 0.05);
border-radius: 12px;
padding: 1.25rem;
margin-bottom: 2rem;
}
.syllabus-tips-title {
font-size: 0.8rem;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 1px;
margin-bottom: 0.75rem;
display: flex;
align-items: center;
gap: 0.5rem;
}
.syllabus-tips-title svg {
width: 14px;
height: 14px;
fill: var(--text-secondary);
}
.syllabus-tips ul {
list-style: none;
font-size: 0.85rem;
color: var(--text-muted);
line-height: 1.8;
}
.syllabus-tips li::before {
content: '→';
margin-right: 0.5rem;
color: var(--text-secondary);
}
/* Sleek add button */
.add-btn { width: 100%; padding: 1.25rem; background: rgba(255, 255, 255, 0.95); border: none; border-radius: 12px; color: #000; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1); position: relative; overflow: hidden; letter-spacing: 0.5px; }
.add-btn:hover { transform: translateY(-2px); background: white; box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2), 0 1px 0 rgba(255, 255, 255, 0.2); }
.add-btn:active { transform: translateY(0); }
/* Saved indicator */
.saved-indicator {
display: none;
align-items: center;
justify-content: center;
gap: 0.5rem;
padding: 1rem;
background: rgba(100, 200, 100, 0.1);
border: 1px solid rgba(100, 200, 100, 0.2);
border-radius: 12px;
color: rgba(150, 255, 150, 0.9);
font-size: 0.9rem;
margin-top: 1rem;
animation: fadeIn 0.3s ease;
}
.saved-indicator.show {
display: flex;
}
.saved-indicator svg {
width: 18px;
height: 18px;
fill: currentColor;
}
@keyframes fadeIn {
from { opacity: 0; transform: translateY(-10px); }
to { opacity: 1; transform: translateY(0); }
}
/* Elegant empty state */
.empty-state { text-align: center; padding: 6rem 2rem; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.empty-icon { width: 80px; height: 80px; margin-bottom: 2rem; background: var(--glass-bg); backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.empty-state p { font-size: 1.1rem; color: var(--text-secondary); max-width: 400px; line-height: 1.6; font-weight: 300; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); cursor: pointer; }
/* Enhanced scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 10px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }
/* Responsive tweaks */
@media (max-width: 768px) {
h1 { font-size: 2rem; }
.countdown { font-size: 3.5rem; }
.exams-grid { grid-template-columns: 1fr; }
.container { padding: 2rem 1rem; }
.modal-content.syllabus-modal-content { max-width: 100%; }
}
</style>
</head>
<body>
<div class="particles" id="particles"></div>
<div class="container">
<div class="header">
<h1>Exam Countdown</h1>
<div class="settings-btn" id="openModalBtn">
<svg viewBox="0 0 24 24">
<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm5 11h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/>
</svg>
</div>
</div>
<div class="exams-grid" id="examsGrid"></div>
<div class="empty-state" id="emptyState" style="display: none;">
<div class="empty-icon">📚</div>
<p>No exams scheduled yet. Add your first exam to start tracking.</p>
</div>
</div>
<!-- Add Exam Modal -->
<div class="modal" id="modal">
<div class="modal-content">
<div class="modal-header">
<h2 class="modal-title">Add New Exam</h2>
<button class="close-btn" id="closeModalBtn">
<svg viewBox="0 0 24 24">
<path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
</svg>
</button>
</div>
<form id="addExamForm">
<div class="form-group">
<label for="examName">Exam Name</label>
<input type="text" id="examName" required placeholder="e.g., Mathematics Final">
</div>
<div class="form-group">
<label for="examDate">Exam Date</label>
<input type="date" id="examDate" required>
</div>
<button type="submit" class="add-btn">Add Exam</button>
</form>
</div>
</div>
<!-- Syllabus Modal -->
<div class="modal" id="syllabusModal">
<div class="modal-content syllabus-modal-content">
<div class="modal-header">
<div>
<h2 class="modal-title" id="syllabusExamName">Exam Syllabus</h2>
<p class="modal-subtitle" id="syllabusExamDate"></p>
</div>
<button class="close-btn" id="closeSyllabusModalBtn">
<svg viewBox="0 0 24 24">
<path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
</svg>
</button>
</div>
<form id="syllabusForm">
<div class="form-group">
<label for="syllabusContent">Syllabus / Topics to Study</label>
<textarea id="syllabusContent" rows="12" placeholder="Enter your syllabus here...
Example:
Chapter 1: Introduction to Calculus
- Limits and Continuity (pg 1-25)
- Derivatives (pg 26-50) ★
Chapter 2: Integration
- Definite Integrals (pg 51-75)
- Applications (pg 76-100)
Important Formulas:
- d/dx(x^n) = nx^(n-1)
- ∫x^n dx = x^(n+1)/(n+1) + C"></textarea>
</div>
<input type="hidden" id="syllabusExamId">
<button type="submit" class="add-btn">Save Syllabus</button>
<div class="saved-indicator" id="savedIndicator">
<svg viewBox="0 0 24 24">
<path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/>
</svg>
Syllabus saved successfully!
</div>
</form>
</div>
</div>
<script type="module">
// Firebase SDK modules
import { initializeApp } from "https://www.gstatic.com/firebasejs/10.7.1/firebase-app.js";
import { getDatabase, ref, onValue, push, remove, update } from "https://www.gstatic.com/firebasejs/10.7.1/firebase-database.js";
// Your web app's Firebase configuration
const firebaseConfig = {
apiKey: "AIzaSyCBGYdGdPjYJiKsTMjVYZ9mf9F82ns7g4Q",
authDomain: "pikachu-rxppbp.firebaseapp.com",
databaseURL: "https://pikachu-rxppbp.firebaseio.com",
projectId: "pikachu-rxppbp",
storageBucket: "pikachu-rxppbp.appspot.com",
messagingSenderId: "241970333280",
appId: "1:241970333280:web:704e8930bd591c138d6505"
};
// Initialize Firebase
const app = initializeApp(firebaseConfig);
const database = getDatabase(app);
const examsRef = ref(database, 'exams');
// Store exams data globally for easy access
let examsData = [];
// DOM Elements
const elements = {
modal: document.getElementById('modal'),
openModalBtn: document.getElementById('openModalBtn'),
closeModalBtn: document.getElementById('closeModalBtn'),
addExamForm: document.getElementById('addExamForm'),
examNameInput: document.getElementById('examName'),
examDateInput: document.getElementById('examDate'),
examsGrid: document.getElementById('examsGrid'),
emptyState: document.getElementById('emptyState'),
particlesContainer: document.getElementById('particles'),
// Syllabus modal elements
syllabusModal: document.getElementById('syllabusModal'),
closeSyllabusModalBtn: document.getElementById('closeSyllabusModalBtn'),
syllabusForm: document.getElementById('syllabusForm'),
syllabusExamName: document.getElementById('syllabusExamName'),
syllabusExamDate: document.getElementById('syllabusExamDate'),
syllabusContent: document.getElementById('syllabusContent'),
syllabusExamId: document.getElementById('syllabusExamId'),
savedIndicator: document.getElementById('savedIndicator')
};
// --- Core Functions ---
const openModal = () => elements.modal.classList.add('active');
const closeModal = () => {
elements.modal.classList.remove('active');
elements.addExamForm.reset();
};
const openSyllabusModal = (examId) => {
const exam = examsData.find(e => e.id === examId);
if (!exam) return;
elements.syllabusExamName.textContent = exam.name;
const dateObject = new Date(exam.date);
elements.syllabusExamDate.textContent = dateObject.toLocaleDateString('en-US', {
weekday: 'long', year: 'numeric', month: 'long', day: 'numeric'
});
elements.syllabusContent.value = exam.syllabus || '';
elements.syllabusExamId.value = examId;
elements.savedIndicator.classList.remove('show');
elements.syllabusModal.classList.add('active');
};
const closeSyllabusModal = () => {
elements.syllabusModal.classList.remove('active');
elements.savedIndicator.classList.remove('show');
};
const saveSyllabus = (event) => {
event.preventDefault();
const examId = elements.syllabusExamId.value;
const syllabusContent = elements.syllabusContent.value;
// Update the syllabus in Firebase
const examRef = ref(database, `exams/${examId}`);
update(examRef, { syllabus: syllabusContent })
.then(() => {
elements.savedIndicator.classList.add('show');
setTimeout(() => {
elements.savedIndicator.classList.remove('show');
}, 3000);
})
.catch((error) => {
console.error("Error saving syllabus:", error);
alert("Failed to save syllabus. Please try again.");
});
};
const addExam = (event) => {
event.preventDefault();
const newExam = {
name: elements.examNameInput.value,
date: new Date(elements.examDateInput.value).getTime(),
syllabus: ''
};
push(examsRef, newExam);
closeModal();
};
const deleteExam = (id) => remove(ref(database, `exams/${id}`));
// --- Rendering Logic ---
const calculateCountdown = (examDate) => {
const now = new Date();
now.setHours(0, 0, 0, 0);
const targetDate = new Date(examDate);
targetDate.setHours(0, 0, 0, 0);
const diff = targetDate.getTime() - now.getTime();
const days = Math.ceil(diff / (1000 * 60 * 60 * 24));
if (days < 0) {
return { days: '✔', label: 'COMPLETED' };
}
return { days, label: days === 1 ? 'DAY LEFT' : 'DAYS LEFT' };
};
const renderExams = (exams) => {
examsData = exams; // Store for later access
const hasExams = exams && exams.length > 0;
elements.examsGrid.style.display = hasExams ? 'grid' : 'none';
elements.emptyState.style.display = hasExams ? 'none' : 'flex';
if (!hasExams) return;
exams.sort((a, b) => new Date(a.date) - new Date(b.date));
elements.examsGrid.innerHTML = exams.map(exam => {
const countdown = calculateCountdown(exam.date);
const dateObject = new Date(exam.date);
const hasSyllabus = exam.syllabus && exam.syllabus.trim().length > 0;
return `
<div class="exam-card" data-exam-id="${exam.id}">
<button class="delete-btn" data-delete-id="${exam.id}">
<svg viewBox="0 0 24 24">
<path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
</svg>
</button>
<div class="exam-name">${exam.name}</div>
<div class="countdown">${countdown.days}</div>
<div class="countdown-label">${countdown.label}</div>
<div class="exam-date">${dateObject.toLocaleDateString('en-US', {
weekday: 'long', year: 'numeric', month: 'long', day: 'numeric'
})}</div>
<div class="click-hint">Click to ${hasSyllabus ? 'view' : 'add'} syllabus</div>
</div>`;
}).join('');
};
// --- Visual Effects ---
function createParticles() {
const particleCount = 50;
let particleHtml = '';
for (let i = 0; i < particleCount; i++) {
const delay = Math.random() * 5;
const duration = 5 + Math.random() * 5;
const style = `
left: ${Math.random() * 100}%;
top: ${Math.random() * 100}%;
animation-delay: ${delay}s;
animation-duration: ${duration}s;
`;
particleHtml += `<div class="particle" style="${style}"></div>`;
}
elements.particlesContainer.innerHTML = particleHtml;
}
document.addEventListener('mousemove', (e) => {
document.querySelectorAll('.exam-card').forEach(card => {
const rect = card.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
card.style.setProperty('--mouse-x', `${x}px`);
card.style.setProperty('--mouse-y', `${y}px`);
});
});
// --- App Initialization & Event Listeners ---
createParticles();
elements.examDateInput.min = new Date().toISOString().split('T')[0];
// Modal Listeners
elements.openModalBtn.addEventListener('click', openModal);
elements.closeModalBtn.addEventListener('click', closeModal);
elements.addExamForm.addEventListener('submit', addExam);
window.addEventListener('click', e => {
if (e.target === elements.modal) closeModal();
if (e.target === elements.syllabusModal) closeSyllabusModal();
});
// Syllabus Modal Listeners
elements.closeSyllabusModalBtn.addEventListener('click', closeSyllabusModal);
elements.syllabusForm.addEventListener('submit', saveSyllabus);
// Exam card click listener (using event delegation)
elements.examsGrid.addEventListener('click', (event) => {
const deleteBtn = event.target.closest('.delete-btn');
if (deleteBtn) {
event.stopPropagation();
deleteExam(deleteBtn.dataset.deleteId);
return;
}
const examCard = event.target.closest('.exam-card');
if (examCard) {
const examId = examCard.dataset.examId;
openSyllabusModal(examId);
}
});
// Firebase real-time data listener
onValue(examsRef, (snapshot) => {
const data = snapshot.val();
const examList = data ? Object.entries(data).map(([id, value]) => ({ id, ...value })) : [];
renderExams(examList);
}, (error) => {
console.error("Firebase read failed:", error);
alert("Could not connect to the database. Please check your configuration.");
});
</script>
</body>
</html> |