/* Globale Stile */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
    color: #333;
}

/* Banner */
.banner {
    width: 100%;
    height: 350px;
    background: url('../images/banner-bg.jpg') no-repeat center center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    text-align: center;
}

.banner h1 {
    font-size: 4em;
    margin: 0;
    letter-spacing: 5px;
}

.banner p {
    font-size: 1.2em;
    margin-top: 10px;
}

/* Menü-System */
.main-menu-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 0 20px;
}

.main-nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav ul li a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #333;
    transition: background-color 0.3s;
}

.main-nav ul li a:hover {
    background-color: #eee;
}

.main-nav .submenu {
    display: none;
    position: absolute;
    background-color: #fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
}

.main-nav .submenu li a {
    padding: 12px 16px;
}

.main-nav ul li:hover > .submenu {
    display: block;
}

/* Hauptinhaltsbereich & Seitenleiste */
.main-content-wrapper {
    display: flex;
    padding: 20px;
    gap: 20px;
}

.content-area {
    flex: 3;
}

.info-sidebar {
    flex: 1;
    background-color: #e9ecef;
    padding: 20px;
    border-radius: 8px;
}

.info-box {
    margin-bottom: 20px;
}

/* Formularstile */
.link-form-section, .upload-section {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.link-form label, .upload-section label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.link-form input, .link-form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.link-form button, .upload-section button {
    background-color: #28a745;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.link-form button:hover, .upload-section button:hover {
    background-color: #218838;
}

/* Drop-Zone */
.drop-zone {
    border: 2px dashed #007bff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 15px;
    transition: background-color 0.3s;
}

.drop-zone--over {
    background-color: #e9f5ff;
}

.drop-zone__prompt {
    color: #007bff;
}

.drop-zone__input {
    display: none;
}

.drop-zone__thumb {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    background-color: #ccc;
    background-size: cover;
    position: relative;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
    margin-top: 20px;
}

footer a {
    color: #fff;
    text-decoration: none;
}