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<!DOCTYPE html>
<html lang="vi">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>UniCode - Kho mã nguồn & Trình biên dịch</title>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://unpkg.com/@phosphor-icons/web"></script>
<style>
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&display=swap');
body {
font-family: 'Be Vietnam Pro', sans-serif;
}
.hero-bg {
background: linear-gradient(135deg, #e0e7ff 0%, #f0fdf4 100%);
}
.animate-float {
animation: float 6s ease-in-out infinite;
}
@keyframes float {
0% {
transform: translateY(0px);
}
50% {
transform: translateY(-20px);
}
100% {
transform: translateY(0px);
}
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(20px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.animate-fade-in {
animation: fadeInUp 0.4s ease-out forwards;
}
/* Custom Scrollbar for tabs */
.custom-scrollbar::-webkit-scrollbar {
height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
background: #f1f5f9;
border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
background-color: #cbd5e1;
border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
background-color: #94a3b8;
}
</style>
</head>
<body class="bg-slate-50 text-slate-800 min-h-screen flex flex-col">
<!-- HERO SECTION -->
<header class="bg-white relative overflow-hidden border-b border-slate-100">
<!-- Background Decoration -->
<div
class="absolute top-0 right-0 w-[500px] h-[500px] bg-indigo-50/50 rounded-full blur-3xl -translate-y-1/2 translate-x-1/2 z-0">
</div>
<!-- TOP NAVIGATION -->
<nav class="container mx-auto px-6 py-6 relative z-20 flex items-center justify-between">
<!-- Logo -->
<div class="flex items-center gap-2">
<span class="bg-indigo-600 text-white p-1.5 rounded-lg shadow-sm flex items-center justify-center">
<i class="ph-bold ph-books text-lg"></i>
</span>
<span class="text-xl font-bold text-slate-800 tracking-tight">UniCode</span>
</div>
<!-- GitHub Button -->
<a href="https://github.com/TranHuuDat2004/UniDocs" target="_blank"
class="flex items-center gap-2 bg-slate-900 text-white px-3 py-2 rounded-full text-sm font-medium hover:bg-slate-800 transition shadow-lg hover:shadow-xl group">
<i class="ph-bold ph-github-logo text-lg"></i>
<div class="h-4 w-[1px] bg-slate-700 mx-1"></div>
<div class="flex items-center gap-1.5 text-amber-400">
<span id="repoStars" class="text-white group-hover:text-amber-400 transition font-bold">...</span>
<i class="ph-fill ph-star"></i>
</div>
</a>
</nav>
<div class="container mx-auto px-6 py-16 md:py-24 relative z-10">
<div class="flex flex-col md:flex-row items-center gap-12 lg:gap-20">
<!-- LEFT CONTENT (Text) -->
<div class="w-full md:w-1/2 text-left">
<h1 class="text-5xl md:text-6xl font-extrabold text-slate-900 leading-[1.15] tracking-tight mb-6">
Học tập qua <br>
<span class="text-indigo-600">UniCode.</span>
</h1>
<p class="text-lg text-slate-500 mb-10 leading-relaxed max-w-lg">
Hệ thống chia sẻ và chạy mã nguồn các môn học (C/C++, Java, Python).
Xem code, chỉnh sửa và nhận kết quả ngay trên trình duyệt.
</p>
<!-- Buttons -->
<div class="flex flex-wrap items-center gap-4 mb-12">
<a href="#subjects" id="exploreBtn"
class="bg-indigo-600 hover:bg-indigo-700 text-white px-8 py-3.5 rounded-full font-bold shadow-lg shadow-indigo-200 transition-all hover:-translate-y-1 flex items-center gap-2">
<i class="ph-bold ph-rocket-launch"></i> Khám phá ngay
</a>
<a href="https://github.com/TranHuuDat2004/UniDocs/issues" target="_blank"
class="bg-white text-indigo-600 border border-indigo-100 hover:bg-indigo-50 px-8 py-3.5 rounded-full font-bold transition-all flex items-center gap-2">
<i class="ph-bold ph-github-logo"></i> Đóng góp
</a>
</div>
<!-- Mini Feature Cards -->
<div class="grid grid-cols-3 gap-4 max-w-md">
<div
class="flex flex-col items-center text-center p-3 rounded-xl bg-slate-50 border border-slate-100 hover:shadow-sm transition">
<div
class="w-8 h-8 rounded-full bg-orange-100 text-orange-600 flex items-center justify-center mb-2">
<i class="ph-fill ph-lightning"></i>
</div>
<span class="text-xs font-bold text-slate-700">Code & Chạy</span>
</div>
<div
class="flex flex-col items-center text-center p-3 rounded-xl bg-slate-50 border border-slate-100 hover:shadow-sm transition">
<div
class="w-8 h-8 rounded-full bg-blue-100 text-blue-600 flex items-center justify-center mb-2">
<i class="ph-fill ph-files"></i>
</div>
<span class="text-xs font-bold text-slate-700">Đa ngôn ngữ</span>
</div>
<div
class="flex flex-col items-center text-center p-3 rounded-xl bg-slate-50 border border-slate-100 hover:shadow-sm transition">
<div
class="w-8 h-8 rounded-full bg-emerald-100 text-emerald-600 flex items-center justify-center mb-2">
<i class="ph-fill ph-check-circle"></i>
</div>
<span class="text-xs font-bold text-slate-700">Miễn phí</span>
</div>
</div>
</div>
<!-- RIGHT CONTENT (Illustration) -->
<div class="w-full md:w-1/2 flex justify-center relative">
<div
class="relative w-[350px] h-[350px] md:w-[450px] md:h-[450px] bg-white rounded-[40px] shadow-[0_20px_50px_rgba(0,0,0,0.05)] border border-slate-100 flex items-center justify-center animate-float z-10">
<div class="relative">
<div class="absolute inset-0 bg-indigo-200 rounded-full blur-2xl opacity-50"></div>
<i class="ph-fill ph-books text-[120px] text-indigo-600 relative z-10 drop-shadow-xl"></i>
</div>
<div class="absolute -top-6 -right-6 bg-white p-4 rounded-2xl shadow-xl border border-slate-50 animate-bounce"
style="animation-duration: 3s;">
<i class="ph-fill ph-file-pdf text-3xl text-red-500"></i>
</div>
<div class="absolute -bottom-8 -left-8 bg-white p-4 rounded-2xl shadow-xl border border-slate-50 animate-bounce"
style="animation-duration: 4s;">
<i class="ph-fill ph-file-doc text-3xl text-blue-500"></i>
</div>
<div
class="absolute top-1/2 -right-12 bg-white px-4 py-2 rounded-xl shadow-lg border border-slate-50 flex items-center gap-2">
<span class="w-2 h-2 rounded-full bg-green-500"></span>
<span class="text-xs font-bold text-slate-600">Free 100%</span>
</div>
</div>
<div
class="absolute -bottom-10 left-1/2 -translate-x-1/2 w-2/3 h-10 bg-black/5 blur-2xl rounded-full">
</div>
</div>
</div>
</div>
</header>
<!-- SUBJECTS SECTION -->
<main id="subjects" class="container mx-auto px-6 py-16">
<div class="flex items-center justify-between mb-8">
<div>
<h2 class="text-2xl font-bold text-slate-800">Môn học hiện có</h2>
<p class="text-slate-500 mt-1">Chọn môn học để xem bài tập và code mẫu</p>
</div>
<div
class="hidden md:flex items-center bg-white border border-slate-200 rounded-lg px-4 py-2 w-64 focus-within:ring-2 ring-indigo-500/20 transition">
<i class="ph ph-magnifying-glass text-slate-400 text-lg"></i>
<input type="text" placeholder="Tìm kiếm bài tập, code..."
class="bg-transparent border-none outline-none text-sm ml-2 w-full placeholder:text-slate-400">
</div>
</div>
<!-- TABS CONTAINER -->
<div id="categoryTabs" class="flex overflow-x-auto gap-2 mb-8 pb-4 border-b border-slate-200 custom-scrollbar">
<!-- Tabs will be injected here -->
</div>
<!-- Grid container for Categories -->
<div id="subjectContainer" class="min-h-[400px]">
<div class="text-center text-slate-400 py-12">
<i class="ph ph-spinner animate-spin text-3xl mb-3"></i>
<p>Đang tải danh sách môn học...</p>
</div>
</div>
</main>
<!-- NEW SECTION: PROJECTS -->
<section class="bg-white border-t border-slate-200">
<div class="container mx-auto px-6 py-16">
<div class="text-center mb-12">
<h2 class="text-2xl font-bold text-slate-800">Hệ sinh thái học tập</h2>
<p class="text-slate-500 mt-2">Các dự án mã nguồn mở khác được phát triển bởi Dat</p>
</div>
<div class="grid grid-cols-1 md:grid-cols-3 gap-8">
<!-- Project 1: UniDocs -->
<div
class="bg-slate-50 border border-slate-200 rounded-2xl p-6 flex flex-col hover:shadow-lg transition-all duration-300">
<div class="flex items-center gap-4 mb-4">
<div
class="w-12 h-12 rounded-xl bg-indigo-100 text-indigo-600 flex items-center justify-center">
<i class="ph-fill ph-books text-2xl"></i>
</div>
<div>
<h3 class="font-bold text-slate-800 text-lg">UniDocs</h3>
<span class="text-xs font-medium px-2 py-0.5 rounded bg-indigo-100 text-indigo-700">Hiện
tại</span>
</div>
</div>
<p class="text-sm text-slate-600 mb-6 flex-1">
Kho tài liệu môn học mở, giúp sinh viên chia sẻ và tiếp cận kiến thức dễ dàng.
</p>
<div class="flex gap-3 mt-auto">
<a href="#"
class="flex-1 text-center py-2 text-sm font-semibold text-white bg-indigo-600 rounded-lg hover:bg-indigo-700 transition">
Đang xem
</a>
<a href="https://github.com/TranHuuDat2004/UniDocs" target="_blank"
class="px-3 py-2 text-slate-500 bg-white border border-slate-200 rounded-lg hover:bg-slate-50"
title="Github Repo">
<i class="ph-bold ph-github-logo text-lg"></i>
</a>
</div>
</div>
<!-- Project 2: Slidify -->
<div
class="bg-slate-50 border border-slate-200 rounded-2xl p-6 flex flex-col hover:shadow-lg transition-all duration-300">
<div class="flex items-center gap-4 mb-4">
<div
class="w-12 h-12 rounded-xl bg-orange-100 text-orange-600 flex items-center justify-center">
<i class="ph-fill ph-presentation-chart text-2xl"></i>
</div>
<div>
<h3 class="font-bold text-slate-800 text-lg">Slidify</h3>
<span class="text-xs font-medium px-2 py-0.5 rounded bg-orange-100 text-orange-700">Slide
Platform</span>
</div>
</div>
<p class="text-sm text-slate-600 mb-6 flex-1">
Slidify - Nền tảng học tập qua Slide. Trình bày nội dung bài học trực quan và sinh động.
</p>
<div class="flex gap-3 mt-auto">
<a href="https://tranhuudat2004.github.io/Slidify/" target="_blank"
class="flex-1 text-center py-2 text-sm font-semibold text-slate-700 bg-white border border-slate-200 rounded-lg hover:border-orange-500 hover:text-orange-600 transition">
Truy cập Web
</a>
<a href="https://github.com/TranHuuDat2004/Slidify" target="_blank"
class="px-3 py-2 text-slate-500 bg-white border border-slate-200 rounded-lg hover:bg-slate-50"
title="Github Repo">
<i class="ph-bold ph-github-logo text-lg"></i>
</a>
</div>
</div>
<!-- Project 3: Aptis Practice -->
<div
class="bg-slate-50 border border-slate-200 rounded-2xl p-6 flex flex-col hover:shadow-lg transition-all duration-300">
<div class="flex items-center gap-4 mb-4">
<div
class="w-12 h-12 rounded-xl bg-emerald-100 text-emerald-600 flex items-center justify-center">
<i class="ph-fill ph-check-circle text-2xl"></i>
</div>
<div>
<h3 class="font-bold text-slate-800 text-lg">Aptis Practice</h3>
<span class="text-xs font-medium px-2 py-0.5 rounded bg-emerald-100 text-emerald-700">Luyện
thi</span>
</div>
</div>
<p class="text-sm text-slate-600 mb-6 flex-1">
Một trang web luyện thi Aptis ESOL tương tác được xây dựng bằng HTML, CSS và JavaScript.
</p>
<div class="flex gap-3 mt-auto">
<a href="https://tranhuudat2004.github.io/aptis-practice/" target="_blank"
class="flex-1 text-center py-2 text-sm font-semibold text-slate-700 bg-white border border-slate-200 rounded-lg hover:border-emerald-500 hover:text-emerald-600 transition">
Luyện ngay
</a>
<a href="https://github.com/TranHuuDat2004/aptis-practice" target="_blank"
class="px-3 py-2 text-slate-500 bg-white border border-slate-200 rounded-lg hover:bg-slate-50"
title="Github Repo">
<i class="ph-bold ph-github-logo text-lg"></i>
</a>
</div>
</div>
</div>
</div>
</section>
<!-- FOOTER -->
<footer class="bg-white border-t border-slate-200 pt-16 pb-8 mt-12">
<div class="container mx-auto px-6">
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-8 mb-12">
<!-- Col 1 -->
<div class="lg:col-span-1 pr-4">
<h3 class="text-2xl font-bold text-indigo-600 mb-4 tracking-tight">UniDocs</h3>
<p class="text-slate-500 text-sm leading-relaxed">
Hệ thống lưu trữ và chia sẻ tài liệu học tập miễn phí, giúp sinh viên dễ dàng tiếp cận với nguồn
giáo trình, bài giảng và đề thi chất lượng. Toàn bộ tài liệu được đóng góp và chia sẻ bởi cộng
đồng sinh viên.
</p>
</div>
<!-- Col 2 -->
<div class="lg:pl-8">
<h4 class="font-bold text-slate-800 mb-6 font-semibold">Điều hướng</h4>
<ul class="space-y-4 text-sm text-slate-600 font-medium tracking-wide">
<li><a href="#" class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-info text-indigo-500 text-lg"></i> Giới thiệu</a></li>
<li><a href="#subjects" class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-book-open text-indigo-500 text-lg"></i> Tài liệu môn học</a></li>
<li><a href="https://github.com/TranHuuDat2004/UniDocs/issues" target="_blank"
class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-upload-simple text-indigo-500 text-lg"></i> Đóng góp tài liệu</a>
</li>
<li><a href="https://github.com/TranHuuDat2004/UniDocs" target="_blank"
class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-github-logo text-indigo-500 text-lg"></i> Mã nguồn dự án</a></li>
</ul>
</div>
<!-- Col 3 -->
<div>
<h4 class="font-bold text-slate-800 mb-6 font-semibold">Danh mục nổi bật</h4>
<ul class="space-y-4 text-sm text-slate-600 font-medium tracking-wide">
<li><a id="footer-link-programming_algo" href="#subjects"
class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-code text-slate-800 text-lg"></i> Lập trình & Thuật toán</a></li>
<li><a id="footer-link-system_network" href="#subjects"
class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-cpu text-slate-800 text-lg"></i> Hệ thống & Mạng</a></li>
<li><a id="footer-link-math_basic" href="#subjects"
class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-function text-slate-800 text-lg"></i> Toán & Cơ sở ngành</a></li>
<li><a id="footer-link-skills" href="#subjects"
class="hover:text-indigo-600 transition flex items-center gap-3"><i
class="ph-fill ph-users-three text-slate-800 text-lg"></i> Kĩ năng & Bổ trợ</a></li>
</ul>
</div>
<!-- Col 4 -->
<div>
<h4 class="font-bold text-slate-800 mb-6 font-semibold">Thông tin</h4>
<ul class="space-y-4 text-sm text-slate-600 font-medium tracking-wide">
<li class="flex items-center gap-3"><i class="ph-fill ph-user text-indigo-500 text-xl"></i>
<span><strong>Triển khai phần mềm: </strong>Trần Hữu Đạt</span>
</li>
<li class="flex items-center gap-3"><i
class="ph-fill ph-chalkboard-teacher text-indigo-500 text-xl"></i> <span><strong>Nguồn
tài liệu: </strong>Sinh viên TDTU & Tham khảo</span></li>
<li class="flex items-center gap-3"><i class="ph-fill ph-columns text-indigo-500 text-xl"></i>
<span><strong>Cập nhật tài liệu: </strong>25/02/2026</span>
</li>
<li class="flex items-center gap-3"><i
class="ph-fill ph-git-branch text-indigo-500 text-xl"></i> <span><strong>Phiên bản mới
nhất: </strong>
26/02/2026
<!-- <script>document.write(new Date().toLocaleDateString('vi-VN'))</script> -->
</span></li>
</ul>
<div class="mt-6 flex items-center gap-3">
<a href="https://github.com/TranHuuDat2004/UniDocs" target="_blank"
class="flex items-center justify-center w-10 h-10 rounded-full bg-slate-100 text-slate-600 hover:bg-slate-200 transition"
title="Github">
<i class="ph-bold ph-github-logo text-xl"></i>
</a>
</div>
</div>
</div>
</div>
<!-- Bottom Border & Copyright -->
<div class="border-t border-slate-100 bg-slate-50/50 py-6 text-center text-slate-500 text-sm">
&copy; 2024 -
<script>document.write(new Date().getFullYear())</script> UniDocs Tool. All Rights Reserved.
</div>
</footer>
<script>
document.addEventListener('DOMContentLoaded', () => {
loadSubjects();
fetchGitHubStars();
});
// --- GITHUB STARS API ---
async function fetchGitHubStars() {
try {
const res = await fetch('https://api.github.com/repos/TranHuuDat2004/UniDocs');
if (res.ok) {
const data = await res.json();
document.getElementById('repoStars').innerText = data.stargazers_count;
} else {
document.getElementById('repoStars').innerText = '-';
}
} catch (e) {
console.error("Lỗi tải sao GitHub:", e);
document.getElementById('repoStars').innerText = '-';
}
}
// --- CATEGORY CONFIG ---
const CATEGORIES = {
"math_basic": { name: "Toán & Cơ sở ngành", icon: "ph-function" },
"programming_algo": { name: "Lập trình & Thuật toán", icon: "ph-code" },
"system_network": { name: "Hệ thống & Mạng", icon: "ph-cpu" },
"software_db": { name: "Phần Mềm & Cơ sở dữ liệu", icon: "ph-database" },
"app_dev": { name: "Lập trình Ứng dụng", icon: "ph-device-mobile" },
"ai": { name: "Trí tuệ nhân tạo", icon: "ph-brain" },
"skills": { name: "Tổ bộ môn Kĩ năng", icon: "ph-users-three" },
"intern": { name: "Thực tập", icon: "ph-buildings" },
"other": { name: "Khác", icon: "ph-dots-three-circle" }
};
async function loadSubjects() {
try {
const res = await fetch('data/subjects.json');
const allSubjects = await res.json();
if (allSubjects.length > 0) {
const firstSubject = allSubjects[0];
const btn = document.getElementById('exploreBtn');
if (btn) btn.href = `/subject?id=${firstSubject.id}`;
}
renderCategorizedSubjects(allSubjects);
} catch (e) {
console.error("Lỗi tải subjects:", e);
const container = document.getElementById('subjectContainer');
if (container) {
container.innerHTML = `
<div class="text-center py-12">
<div class="bg-red-50 text-red-600 rounded-lg p-4 inline-block">
<i class="ph-bold ph-warning-circle text-2xl mb-2"></i>
<p>Không thể tải dữ liệu môn học.</p>
</div>
</div>
`;
}
}
}
function renderCategorizedSubjects(subjects) {
const tabContainer = document.getElementById('categoryTabs');
const contentContainer = document.getElementById('subjectContainer');
if (!tabContainer || !contentContainer) return;
tabContainer.innerHTML = '';
contentContainer.innerHTML = '';
// Group subjects
const grouped = {};
subjects.forEach(sub => {
const cat = sub.category || 'other';
if (!grouped[cat]) grouped[cat] = [];
grouped[cat].push(sub);
});
// Update footer links to point to the first subject of each category
const footerCats = ['programming_algo', 'system_network', 'math_basic', 'skills'];
footerCats.forEach(cat => {
const linkEl = document.getElementById(`footer-link-${cat}`);
if (linkEl && grouped[cat] && grouped[cat].length > 0) {
linkEl.href = `/subject?id=${grouped[cat][0].id}`;
}
});
// Order of categories to display
const order = ["math_basic", "programming_algo", "system_network", "software_db", "app_dev", "ai", "skills", "intern", "other"];
// Filter empty categories
const activeCategories = order.filter(k => grouped[k] && grouped[k].length > 0);
// Set default active
let currentActive = activeCategories[0] || 'other';
// RENDER TABS & SECTIONS
activeCategories.forEach(catKey => {
const subs = grouped[catKey];
const catInfo = CATEGORIES[catKey] || CATEGORIES['other'];
// 1. Create Tab Button
const btn = document.createElement('button');
const isSelected = catKey === currentActive;
btn.className = `whitespace-nowrap px-4 py-3 text-sm font-semibold transition-all border-b-2 flex items-center gap-2 ${isSelected
? 'text-indigo-600 border-indigo-600'
: 'text-slate-500 border-transparent hover:text-indigo-600 hover:border-indigo-100'
}`;
btn.innerHTML = `<i class="ph-bold ${catInfo.icon}"></i> ${catInfo.name}`;
btn.onclick = () => switchTab(catKey);
btn.dataset.tab = catKey;
tabContainer.appendChild(btn);
// 2. Create Section Content
const section = document.createElement('div');
section.id = `cat-${catKey}`;
section.className = isSelected ? 'block animate-fade-in' : 'hidden'; // Removed fade-in-section specific class if not defined
section.innerHTML = `
<div class="mb-6">
<h3 class="text-xl font-bold text-slate-800 flex items-center gap-2">
<i class="ph-fill ${catInfo.icon} text-indigo-600"></i> ${catInfo.name}
<span class="text-xs font-medium text-slate-500 bg-slate-100 px-2 py-1 rounded-full">${subs.length} môn</span>
</h3>
<p class="text-slate-500 text-sm mt-1">Danh sách các môn học thuộc nhóm ${catInfo.name}</p>
</div>
<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6">
${subs.map(sub => createSubjectCard(sub)).join('')}
</div>
`;
contentContainer.appendChild(section);
});
}
function switchTab(catKey) {
// Update Tabs
document.querySelectorAll('#categoryTabs button').forEach(btn => {
const isSelected = btn.dataset.tab === catKey;
btn.className = `whitespace-nowrap px-4 py-3 text-sm font-semibold transition-all border-b-2 flex items-center gap-2 ${isSelected
? 'text-indigo-600 border-indigo-600'
: 'text-slate-500 border-transparent hover:text-indigo-600 hover:border-indigo-100'
}`;
});
// Update Sections
document.querySelectorAll('#subjectContainer > div').forEach(div => {
if (div.id === `cat-${catKey}`) {
div.classList.remove('hidden');
div.classList.add('block', 'animate-fade-in');
} else {
div.classList.add('hidden');
div.classList.remove('block', 'animate-fade-in');
}
});
}
function createSubjectCard(sub) {
return `
<a href="/subject?id=${sub.id}" class="group relative bg-white border border-slate-200 rounded-2xl p-6 hover:shadow-xl hover:shadow-indigo-500/10 transition-all hover:-translate-y-1 block h-full flex flex-col">
<div class="absolute top-4 right-4 opacity-0 group-hover:opacity-100 transition-opacity">
<i class="ph-bold ph-arrow-up-right text-indigo-500 text-xl"></i>
</div>
<div class="w-12 h-12 rounded-xl bg-gradient-to-br from-indigo-500 to-purple-500 flex items-center justify-center text-white shadow-lg shadow-indigo-500/30 mb-4 group-hover:scale-110 transition-transform duration-300">
<i class="ph-fill ${sub.icon || 'ph-folder'} text-2xl"></i>
</div>
<h3 class="text-lg font-bold text-slate-800 mb-2">${sub.name}</h3>
<p class="text-sm text-slate-500 line-clamp-2 flex-1">
${sub.description || 'Truy cập tài liệu, bài giảng, đề thi và nhiều hơn nữa.'}
</p>
<div class="mt-4 flex items-center gap-2 text-xs font-medium text-indigo-600 bg-indigo-50 w-fit px-2 py-1 rounded-md">
<i class="ph-fill ph-files"></i> Tài liệu có sẵn
</div>
</a>
`;
}
</script>
</body>
</html>