/* Allgemeines Styling */
:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --background-color: #f1f1f1;
    --text-color: #333;
    --header-color: #222;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --accent-color: #00d1d1;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header Styling */
.header-container {
    width: 100%;
    background-color: var(--header-color);
    padding: 20px 0;
    color: white;
    text-align: center;
    box-shadow: 0px 4px 8px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container .logo a {
    color: #fff;
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

nav .menu {
    list-style: none;
    padding: 0;
    margin: 10px auto;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

nav .menu-btn {
    color: #fff;
    background-color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0px 2px 4px var(--shadow-color);
    flex: 1 1 auto;
    text-align: center;
    min-width: 120px;
    margin: 5px 0;
}

nav .menu-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* Hauptinhalt Styling */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0px 4px 12px var(--shadow-color);
    transition: all 0.3s ease;
}

/* Karten */
.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 4px 8px var(--shadow-color);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Footer Styling */
footer {
    width: 100%;
    background-color: var(--header-color);
    color: white;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
    box-shadow: 0px -4px 6px var(--shadow-color);
}

.footer-link {
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #d3d3d3;
    text-decoration: underline;
}

/* Tabellen */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
    border-radius: 12px;
    padding: 10px;
    background-color: var(--card-bg);
    box-shadow: 0px 4px 8px var(--shadow-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
    border-radius: 10px;
    overflow: hidden;
}

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

table th {
    background-color: var(--primary-color);
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

table tbody tr:nth-child(even) {
    background-color: #f1f1f1;
}

table tbody tr:hover {
    background-color: #e9ecef;
    transition: background-color 0.3s ease;
}

/* Buttons */
button, .btn, input[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0px 2px 4px var(--shadow-color);
    width: auto;
    margin: 10px 0;
    display: inline-block;
}

button:hover, .btn:hover, input[type="submit"]:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* Formulare und Eingabefelder */
input[type="text"], input[type="password"], input[type="email"], input[type="time"], select {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #fff;
}

input:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0px 0px 8px rgba(0, 123, 255, 0.6);
    outline: none;
}

/* Fehler- und Erfolgsmeldungen */
.success {
    color: #28a745;
    background-color: #d4edda;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0px 2px 4px var(--shadow-color);
}

.error {
    color: #dc3545;
    background-color: #f8d7da;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0px 2px 4px var(--shadow-color);
}

/* Mobile Styles */
@media (max-width: 768px) {
    body {
        font-size: 0.9rem;
    }
    .container {
        width: 95%;
        padding: 20px;
    }
    nav .menu {
    list-style: none;
    padding: 0;
    margin: 10px auto;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
    button, .btn, input[type="submit"] {
        width: 100%;
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 0.8rem;
    }
    .container {
        padding: 15px;
    }
    table {
        font-size: 0.75rem;
    }

    nav .menu-btn {
        width: 100%;
        margin: 10px 0;
    }

    button, .btn, input[type="submit"] {
        width: 100%;
        margin: 10px 0;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #121212;
        --text-color: #e0e0e0;
        --card-bg: #1e1e1e;
        --shadow-color: rgba(0, 0, 0, 0.5);
        --header-color: #1a1a1a;
    }

    table th {
        background-color: #007bff;
    }
}