body {
    font-family: Arial, sans-serif;
    background: #f5f6fa;
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

input, textarea, select {
    padding: 10px;
    margin: 8px 0;
    width: 100%;
    box-sizing: border-box;
}

button {
    background: #ff9800;
    color: #fff;
    border: none;
    padding: 10px;
    cursor: pointer;
    width: 100%;
}

button:hover {
    background: #ff990091;
}

.header img.logo {
    max-width: 150px;
    margin-bottom: 10px;
}

table {
    border-collapse: collapse;
    margin-top: 10px;
}

table th, table td {
    padding: 10px;
}

button {
    background-color: #ff9800;
    color: #fff;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #ff990091;
}

/* Allgemeine Einstellungen */
body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f6fa;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* Container für Inhalt */
.container {
    width: 90%;
    max-width: 1000px;
    background: #fff;
    padding: 30px;
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
}

.header img.logo {
    max-width: 150px;
    margin-bottom: 10px;
}

/* Überschrift */
h2 {
    text-align: center;
}

/* Neue Kurse Button */
.new-course-btn {
    margin-bottom: 20px;
    text-align: center;
}

/* Tabelle */
table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 20px;
}

table th, table td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}

table th {
    background-color: #ff9800;
    color: #fff;
}

/* Links */
a {
    text-decoration: none;
    color: #ff9800;
}

/* Buttons */
button {
    background-color: #ff9800;
    color: #fff;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #ff990091;
}

/* Abmelden unten */
.bottom-button {
    text-align: center;
    margin-top: 30px;
}

/* Keine Kurse Meldung */
.no-courses {
    text-align: center;
    font-style: italic;
    color: #636e72;
}

a.delete-btn {
    color: #e74c3c;
    font-weight: bold;
}

a.delete-btn:hover {
    color: #c0392b;
}

form input, form textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

form button {
    background-color: #ff9800;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
}

form button:hover {
    background-color: ff990091;
}

video {
    max-width: 100%;
    height: auto;
}

a.delete-btn {
    color: #e74c3c;
    font-weight: bold;
}

a.delete-btn:hover {
    color: #c0392b;
}

form input, form select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

form button {
    background-color: #ff9800;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
}

form button:hover {
    background-color: #ff990091;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 20px auto;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header img.logo {
    max-width: 150px;
    margin-bottom: 10px;
}

.course-box {
    padding: 15px;
    border: 1px solid #ddd;
    margin-bottom: 15px;
    border-radius: 5px;
}

.course-box h3 {
    margin: 0 0 10px 0;
}

.course-box a {
    text-decoration: none;
    color: #0984e3;
    font-weight: bold;
}

.course-box a:hover {
    color: #ff990091;
}

.bottom-nav {
    text-align: center;
    margin-top: 30px;
}

.bottom-nav a {
    text-decoration: none;
    color: #636e72;
    margin: 0 10px;
}

.bottom-nav a:hover {
    color: #ff990091;
}

.no-courses {
    text-align: center;
    font-style: italic;
    color: #636e72;
}

.video-item {
    margin-bottom: 20px;
}

video {
    max-width: 100%;
    height: auto;
}