/* Allgemeines Layout */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}

header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

/* Navigation */
nav.mega-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    background: #34495e;
    display: flex;
    flex-wrap: wrap;
}

nav.mega-nav ul li {
    position: relative;
}

nav.mega-nav ul > li > a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    background: #34495e;
    position: relative;
}

nav.mega-nav ul > li > a::after {
    content: " ▼";
    font-size: 12px;
}

nav.mega-nav ul li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #2c3e50;
    min-width: 160px;
    z-index: 9999;
}

nav.mega-nav ul li:hover > ul,
nav.mega-nav ul li:focus-within > ul {
    display: block;
}

nav.mega-nav ul li ul li a {
    display: block;
    padding: 12px;
    color: white;
    text-decoration: none;
    white-space: nowrap;
}

nav.mega-nav ul li ul li a:hover {
    background: #27ae60;
}

/* Hauptbereich */
main {
    max-width: 1000px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    background: #2ecc71;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    margin: 5px;
}

.btn:hover {
    background: #27ae60;
}

.btn-klein {
    padding: 5px 10px;
    font-size: 14px;
    margin-right: 5px;
}

/* Such- und Filterleiste */
.button-leiste {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

#suchfeld {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

/* Tabellen-Stil */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

th {
    background-color: #34495e;
    color: white;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Modal-Fenster */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal.show {
    display: block;
}

.modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 30px;
    border: 1px solid #888;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    position: relative;
}

.modal-header {
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: bold;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    color: #aaa;
    font-size: 24px;
    cursor: pointer;
}

.modal-close:hover {
    color: #e74c3c;
}

/* Eingabeformular im Modal */
.modal-content form input,
.modal-content form select {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav.mega-nav ul {
        flex-direction: column;
    }

    .button-leiste {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}