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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Lernplan - Dein persönlicher Lernassistent</title>
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
<style>
:root {
--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
--success-gradient: linear-gradient(135deg, #13f1fc 0%, #0470dc 100%);
--warning-gradient: linear-gradient(135deg, #f9d423 0%, #ff4e50 100%);
--cloud-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
--bg-pattern: radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
radial-gradient(circle at 40% 40%, rgba(240, 147, 251, 0.05) 0%, transparent 50%);
--glass-bg: rgba(255, 255, 255, 0.95);
--glass-border: rgba(255, 255, 255, 0.2);
--shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
--text-primary: #2d3748;
--text-secondary: #718096;
--border-light: #e2e8f0;
--spacing-xs: 0.5rem;
--spacing-sm: 1rem;
--spacing-md: 1.5rem;
--spacing-lg: 2rem;
--spacing-xl: 3rem;
--radius-sm: 0.5rem;
--radius-md: 1rem;
--radius-lg: 1.5rem;
--transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
--transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
color: var(--text-primary);
line-height: 1.6;
position: relative;
overflow-x: hidden;
}
body::before {
content: '';
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: var(--bg-pattern);
pointer-events: none;
z-index: 0;
}
.cloud-bg {
position: fixed;
width: 100%;
height: 100%;
top: 0;
left: 0;
z-index: -1;
opacity: 0.3;
background-image:
radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.2) 0%, transparent 40%),
radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.25) 0%, transparent 45%);
animation: floatClouds 20s ease-in-out infinite;
}
@keyframes floatClouds {
0%,
100% {
transform: translateY(0) translateX(0);
}
33% {
transform: translateY(-20px) translateX(10px);
}
66% {
transform: translateY(10px) translateX(-10px);
}
}
.animated-bg {
position: fixed;
width: 200%;
height: 200%;
top: -50%;
left: -50%;
z-index: -1;
animation: rotateBG 30s linear infinite;
background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.2) 0%, transparent 50%),
radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.2) 0%, transparent 50%),
radial-gradient(circle at 40% 20%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
}
@keyframes rotateBG {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.container {
max-width: 1400px;
margin: 0 auto;
padding: var(--spacing-lg);
position: relative;
z-index: 1;
}
header {
background: var(--glass-bg);
backdrop-filter: blur(20px);
border: 1px solid var(--glass-border);
border-radius: var(--radius-lg);
padding: var(--spacing-xl);
margin-bottom: var(--spacing-xl);
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
animation: slideDown 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
position: relative;
overflow: hidden;
}
header::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 4px;
background: var(--primary-gradient);
}
@keyframes slideDown {
from {
opacity: 0;
transform: translateY(-30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
h1 {
font-size: 3rem;
font-weight: 800;
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin-bottom: var(--spacing-md);
display: flex;
align-items: center;
gap: var(--spacing-md);
animation: glow 3s ease-in-out infinite;
}
@keyframes glow {
0%,
100% {
filter: brightness(1);
}
50% {
filter: brightness(1.2);
}
}
.header-icon {
width: 60px;
height: 60px;
background: var(--primary-gradient);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
color: white;
font-size: 28px;
box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
animation: pulse 2s infinite;
}
@keyframes pulse {
0%,
100% {
transform: scale(1);
}
50% {
transform: scale(1.05);
}
}
.description {
color: var(--text-secondary);
font-size: 1.25rem;
margin-bottom: var(--spacing-md);
line-height: 1.8;
}
.personal-info {
background: linear-gradient(135deg, rgba(79, 172, 254, 0.1), rgba(0, 242, 254, 0.1));
border-left: 4px solid #4facfe;
padding: var(--spacing-md);
border-radius: var(--radius-md);
margin: var(--spacing-lg) 0;
position: relative;
overflow: hidden;
}
.personal-info::before {
content: '☁️';
position: absolute;
right: 20px;
top: 50%;
transform: translateY(-50%);
font-size: 2rem;
opacity: 0.3;
animation: cloudFloat 3s ease-in-out infinite;
}
@keyframes cloudFloat {
0%,
100% {
transform: translateY(-50%) translateX(0);
}
50% {
transform: translateY(-50%) translateX(10px);
}
}
.personal-info h3 {
color: #4facfe;
font-size: 1.5rem;
margin-bottom: var(--spacing-sm);
}
.personal-info .name {
font-size: 1.8rem;
font-weight: 800;
background: var(--cloud-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin-bottom: var(--spacing-xs);
margin-top: var(--spacing-sm);
display: inline-block;
position: relative;
}
.personal-info .name::after {
content: '✨';
position: absolute;
right: -30px;
top: 0;
animation: sparkle 2s ease-in-out infinite;
}
@keyframes sparkle {
0%,
100% {
opacity: 0;
transform: scale(0);
}
50% {
opacity: 1;
transform: scale(1);
}
}
.attribution {
font-size: 0.95rem;
color: var(--text-secondary);
padding-top: var(--spacing-md);
border-top: 1px solid var(--border-light);
display: flex;
justify-content: space-between;
align-items: center;
}
.attribution a {
color: #667eea;
text-decoration: none;
font-weight: 600;
transition: var(--transition-base);
position: relative;
}
.attribution a::after {
content: '';
position: absolute;
bottom: -2px;
left: 0;
right: 0;
height: 2px;
background: #667eea;
transform: scaleX(0);
transition: transform 0.3s ease;
}
.attribution a:hover::after {
transform: scaleX(1);
}
.main-content {
display: grid;
grid-template-columns: 1fr;
gap: var(--spacing-xl);
animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.card {
background: var(--glass-bg);
backdrop-filter: blur(20px);
border: 1px solid var(--glass-border);
border-radius: var(--radius-lg);
padding: var(--spacing-xl);
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
transition: var(--transition-base);
position: relative;
overflow: hidden;
}
.card::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 3px;
background: var(--primary-gradient);
transform: scaleX(0);
transition: transform 0.3s ease;
}
.card:hover::before {
transform: scaleX(1);
}
.card:hover {
transform: translateY(-5px);
box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}
.card-title {
font-size: 1.75rem;
font-weight: 700;
margin-bottom: var(--spacing-lg);
color: var(--text-primary);
display: flex;
align-items: center;
gap: var(--spacing-sm);
}
.card-title i {
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
font-size: 1.5rem;
}
.form-group {
margin-bottom: var(--spacing-md);
position: relative;
}
label {
display: block;
font-weight: 600;
margin-bottom: var(--spacing-xs);
color: var(--text-primary);
font-size: 0.95rem;
text-transform: uppercase;
letter-spacing: 0.5px;
}
input[type="text"],
input[type="number"],
input[type="date"] {
width: 100%;
padding: 14px 18px;
border: 2px solid var(--border-light);
border-radius: var(--radius-md);
font-size: 1rem;
transition: var(--transition-base);
background: rgba(255, 255, 255, 0.8);
backdrop-filter: blur(10px);
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus {
outline: none;
border-color: #667eea;
background: white;
box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
transform: translateY(-2px);
}
.checkbox-group {
display: flex;
align-items: center;
gap: var(--spacing-sm);
padding: 18px;
background: rgba(102, 126, 234, 0.05);
border: 2px solid var(--border-light);
border-radius: var(--radius-md);
cursor: pointer;
transition: var(--transition-base);
}
.checkbox-group:hover {
background: rgba(102, 126, 234, 0.1);
border-color: #667eea;
transform: translateX(5px);
}
input[type="checkbox"] {
width: 24px;
height: 24px;
cursor: pointer;
accent-color: #667eea;
}
.checkbox-label {
cursor: pointer;
user-select: none;
font-weight: 500;
}
.help-text {
font-size: 0.875rem;
color: var(--text-secondary);
margin-top: var(--spacing-xs);
font-style: italic;
}
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--spacing-sm);
padding: 14px 32px;
font-size: 1rem;
font-weight: 700;
border: none;
border-radius: var(--radius-md);
cursor: pointer;
transition: var(--transition-base);
text-transform: uppercase;
letter-spacing: 1px;
position: relative;
overflow: hidden;
}
.btn::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
width: 0;
height: 0;
border-radius: 50%;
background: rgba(255, 255, 255, 0.3);
transform: translate(-50%, -50%);
transition: width 0.6s, height 0.6s;
}
.btn:hover::before {
width: 300px;
height: 300px;
}
.btn-primary {
background: var(--primary-gradient);
color: white;
box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}
.btn-primary:hover:not(:disabled) {
transform: translateY(-3px);
box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}
.btn:disabled {
opacity: 0.6;
cursor: not-allowed;
}
.spinner {
width: 20px;
height: 20px;
border: 3px solid rgba(255, 255, 255, 0.3);
border-top-color: white;
border-radius: 50%;
animation: spin 0.8s linear infinite;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
.kpi-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: var(--spacing-md);
margin-bottom: var(--spacing-xl);
}
.kpi-card {
background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
padding: var(--spacing-lg);
border-radius: var(--radius-md);
border: 1px solid var(--border-light);
transition: var(--transition-base);
position: relative;
overflow: hidden;
}
.kpi-card::before {
content: '';
position: absolute;
top: -50%;
right: -50%;
width: 200%;
height: 200%;
background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
animation: rotate 10s linear infinite;
}
@keyframes rotate {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.kpi-card:hover {
transform: translateY(-5px) scale(1.02);
box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}
.kpi-label {
font-size: 0.875rem;
color: var(--text-secondary);
margin-bottom: var(--spacing-xs);
text-transform: uppercase;
letter-spacing: 1px;
font-weight: 600;
}
.kpi-value {
font-size: 2.5rem;
font-weight: 800;
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.table-container {
overflow-x: auto;
border-radius: var(--radius-md);
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
table {
width: 100%;
border-collapse: collapse;
background: white;
}
thead {
background: var(--primary-gradient);
color: white;
}
th {
padding: 18px;
text-align: left;
font-weight: 700;
letter-spacing: 1px;
text-transform: uppercase;
font-size: 0.875rem;
}
td {
padding: 18px;
border-bottom: 1px solid var(--border-light);
}
tbody tr {
transition: var(--transition-fast);
}
tbody tr:hover {
background: rgba(102, 126, 234, 0.05);
transform: scale(1.01);
}
tbody tr:last-child td {
border-bottom: none;
}
.empty-state {
text-align: center;
padding: 80px 20px;
color: var(--text-secondary);
}
.empty-icon {
font-size: 4rem;
margin-bottom: var(--spacing-lg);
opacity: 0.5;
animation: float 3s ease-in-out infinite;
}
@keyframes float {
0%,
100% {
transform: translateY(0);
}
50% {
transform: translateY(-10px);
}
}
.toast {
position: fixed;
top: 20px;
right: 20px;
padding: 16px 24px;
border-radius: var(--radius-md);
color: white;
font-weight: 600;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
display: flex;
align-items: center;
gap: var(--spacing-sm);
z-index: 1000;
animation: slideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
backdrop-filter: blur(10px);
}
@keyframes slideIn {
from {
opacity: 0;
transform: translateX(100%);
}
to {
opacity: 1;
transform: translateX(0);
}
}
.toast.success {
background: var(--success-gradient);
}
.toast.error {
background: var(--secondary-gradient);
}
.hidden {
display: none !important;
}
.fade-in {
animation: fadeIn 0.5s ease-out;
}
@keyframes fadeIn {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
#calendar {
background: white;
border-radius: var(--radius-md);
padding: var(--spacing-lg);
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
#calendarHeader {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: var(--spacing-md);
padding: 0 var(--spacing-sm);
}
#calendarHeader button {
background: var(--primary-gradient);
color: white;
border: none;
width: 40px;
height: 40px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: var(--transition-base);
font-size: 1.2rem;
}
#calendarHeader button:hover {
transform: scale(1.1);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}
#calendarTitle {
margin: 0;
font-size: 1.5rem;
font-weight: 700;
background: var(--primary-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.calendar-day {
border: 1px solid var(--border-light);
border-radius: var(--radius-sm);
padding: 8px;
min-height: 90px;
transition: var(--transition-fast);
background: white;
}
.calendar-day:hover {
background: rgba(102, 126, 234, 0.05);
transform: scale(1.05);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}
.calendar-day-header {
font-weight: 700;
text-align: center;
padding: 10px;
background: rgba(102, 126, 234, 0.1);
color: #667eea;
text-transform: uppercase;
font-size: 0.875rem;
letter-spacing: 1px;
}
.calendar-today {
background: rgba(102, 126, 234, 0.1) !important;
border: 2px solid #667eea !important;
}
.calendar-exam {
background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 193, 7, 0.2)) !important;
border: 2px solid gold !important;
box-shadow: 0 0 20px rgba(255, 215, 0, 0.3) !important;
}
.calendar-learning {
background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1)) !important;
}
#plansList {
list-style: none;
padding: 0;
}
#plansList li {
background: white;
padding: var(--spacing-md);
border-radius: var(--radius-md);
margin-bottom: var(--spacing-sm);
display: flex;
justify-content: space-between;
align-items: center;
transition: var(--transition-base);
border: 2px solid transparent;
}
#plansList li:hover {
border-color: #667eea;
transform: translateX(5px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}
#plansList button {
background: none;
border: none;
font-size: 1.2rem;
cursor: pointer;
transition: var(--transition-fast);
padding: var(--spacing-xs);
}
#plansList button:hover {
transform: scale(1.2);
}
@media (max-width: 768px) {
h1 {
font-size: 2rem;
}
.container {
padding: var(--spacing-md);
}
.card {
padding: var(--spacing-lg);
}
.kpi-grid {
grid-template-columns: 1fr;
}
table {
font-size: 0.875rem;
}
th,
td {
padding: 12px;
}
.header-icon {
width: 40px;
height: 40px;
font-size: 20px;
}
.personal-info .name {
font-size: 1.4rem;
}
}
</style>
</head>
<body>
<div class="cloud-bg"></div>
<div class="animated-bg"></div>
<div class="container">
<header>
<h1>
<div class="header-icon">
<i class="fas fa-cloud"></i>
</div>
Lernplan
</h1>
<div class="personal-info">
<h3>👋 Willkommen bei deinem persönlichen Lernassistenten!</h3>
<div class="name">Max Mustermann</div>
</div>
<p class="description">
Erstelle automatisch einen personalisierten Lernplan für deine Prüfungsvorbereitung.
Gib einfach dein Fachthema, das Prüfungsdatum und deine tägliche Lernzeit ein.
</p>
<p class="attribution">
<span>📚 Optimiert für Studenten</span>
<span>Built with <a href="https://huggingface.co/spaces/akhaliq/anycoder">anycoder</a></span>
</p>
</header>
<main class="main-content">
<section class="card">
<h2 class="card-title">
<i class="fas fa-cloud-upload-alt"></i> Lernplandetails
</h2>
<form id="planForm">
<div class="form-group">
<label for="subject">Fachthema</label>
<input type="text" id="subject" name="subject" required placeholder="z.B. AWS Services, Docker, Kubernetes">
</div>
<div class="form-group">
<label for="examDate">Prüfungsdatum</label>
<input type="date" id="examDate" name="examDate" required>
</div>
<div class="form-group">
<label for="hoursPerDay">Stunden pro Tag</label>
<input type="number" id="hoursPerDay" name="hoursPerDay"
min="0.5" max="24" step="0.5" required placeholder="z.B. 2">
<div class="help-text">Gib an, wie viele Stunden du täglich lernen möchtest.</div>
</div>
<div class="form-group">
<div class="checkbox-group">
<input type="checkbox" id="skipWeekends" name="skipWeekends" checked>
<label for="skipWeekends" class="checkbox-label">Wochenenden überspringen</label>
</div>
<div class="help-text">Keine Lerneinheiten an Samstagen und Sonntagen planen.</div>
</div>
<div class="form-group">
<label for="blockedDates">Blockierte Daten</label>
<input type="text" id="blockedDates" name="blockedDates"
placeholder="YYYY-MM-DD,YYYY-MM-DD">
<div class="help-text">
Kommaseparierte Liste von Daten, an denen nicht gelernt werden soll.
Format: YYYY-MM-DD
</div>
</div>
<button type="submit" class="btn btn-primary" id="submitBtn">
<i class="fas fa-cloud-upload-alt"></i>
<span>Lernplan erstellen</span>
</button>
</form>
</section>
<section class="card">
<h2 class="card-title">
<i class="fas fa-server"></i> Gespeicherte Lernpläne
</h2>
<ul id="plansList"></ul>
</section>
<section class="card">
<h2 class="card-title">
<i class="fas fa-calendar-alt"></i> Learning Kalender
</h2>
<div id="calendarHeader">
<button onclick="changeMonth(-1)">
<i class="fas fa-chevron-left"></i>
</button>
<h3 id="calendarTitle"></h3>
<button onclick="changeMonth(1)">
<i class="fas fa-chevron-right"></i>
</button>
</div>
<div id="calendar"></div>
</section>
<section id="resultsSection" class="card hidden">
<h2 class="card-title">
<i class="fas fa-chart-line"></i> Dein Lernplan
</h2>
<div class="kpi-grid">
<div class="kpi-card">
<div class="kpi-label">Lerntage</div>
<div class="kpi-value" id="totalDays">0</div>
</div>
<div class="kpi-card">
<div class="kpi-label">Gesamtstunden</div>
<div class="kpi-value" id="totalHours">0</div>
</div>
<div class="kpi-card">
<div class="kpi-label">Startdatum</div>
<div class="kpi-value" id="startDate">-</div>
</div>
<div class="kpi-card">
<div class="kpi-label">Enddatum</div>
<div class="kpi-value" id="endDate">-</div>
</div>
</div>
<div id="tableContainer">
<div class="table-container">
<table id="planTable">
<thead>
<tr>
<th>Datum</th>
<th>Thema</th>
<th>Stunden</th>
</tr>
</thead>
<tbody id="planTableBody">
</tbody>
</table>
</div>
</div>
<div id="emptyState" class="empty-state hidden">
<div class="empty-icon">
<i class="fas fa-cloud-slash"></i>
</div>
<h3>Keine Lernplaneinträge</h3>
<p>Alle ausgewählten Daten sind blockiert. Bitte passe deine Einstellungen an.</p>
</div>
</section>
</main>
</div>
<script>
// DOM Elemente
const planForm = document.getElementById('planForm');
const submitBtn = document.getElementById('submitBtn');
const resultsSection = document.getElementById('resultsSection');
const planTableBody = document.getElementById('planTableBody');
const tableContainer = document.getElementById('tableContainer');
const emptyState = document.getElementById('emptyState');
// KPI Elemente
const totalDaysEl = document.getElementById('totalDays');
const totalHoursEl = document.getElementById('totalHours');
const startDateEl = document.getElementById('startDate');
const endDateEl = document.getElementById('endDate');
// JSON speichern
async function safeJson(res) {
const text = await res.text();
return text ? JSON.parse(text) : null;
}
// User-ID
function getUserId() {
let userId = localStorage.getItem("userId");
if (!userId) {
userId = crypto.randomUUID();
localStorage.setItem("userId", userId);
}
return userId;
}
let currentYear = new Date().getFullYear();
let currentMonth = new Date().getMonth();
let cachedLearningDays = [];
function toDateKey(date) {
if (typeof date === "string") return date;
return date.getFullYear() + "-" +
String(date.getMonth() + 1).padStart(2, "0") + "-" +
String(date.getDate()).padStart(2, "0");
}
function formatDate(dateString) {
const date = new Date(dateString);
const options = { day: '2-digit', month: '2-digit', year: 'numeric' };
return date.toLocaleDateString('de-DE', options);
}
// Kalender Funktionen
function renderCalendar() {
const firstDay = new Date(currentYear, currentMonth, 1);
const lastDay = new Date(currentYear, currentMonth + 1, 0);
const prevLastDay = new Date(currentYear, currentMonth, 0);
const firstDayIndex = firstDay.getDay();
const lastDayIndex = lastDay.getDay();
const nextDays = 7 - lastDayIndex - 1;
document.getElementById('calendarTitle').textContent =
new Date(currentYear, currentMonth).toLocaleDateString('de-DE', { month: 'long', year: 'numeric' });
let days = '';
let dayNum = 1;
// Wochentage Header
const weekDays = ['So', 'Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa'];
weekDays.forEach(day => {
days += `<div class="calendar-day-header">${day}</div>`;
});
// Leere Tage am Anfang
for (let x = firstDayIndex; x > 0; x--) {
days += `<div class="calendar-day">${prevLastDay.getDate() - x + 1}</div>`;
}
// Tage des Monats
for (let i = 1; i <= lastDay.getDate(); i++) {
const currentDate = new Date(currentYear, currentMonth, i);
const dateKey = toDateKey(currentDate);
let classes = 'calendar-day';
if (currentDate.toDateString() === new Date().toDateString()) {
classes += ' calendar-today';
}
if (cachedLearningDays.includes(dateKey)) {
classes += ' calendar-learning';
}
days += `<div class="${classes}">${i}</div>`;
}
// Leere Tage am Ende
for (let j