body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

h1, h2 {
    background-color: #007bff;
    color: white;
    padding: 15px;
    text-align: center;
    border-radius: 5px 5px 0 0;
    margin-bottom: 20px;
}

form {
    margin: 20px 0;
    padding: 15px;
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

input, select, button, textarea {
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

button {
    background-color: #ff6f61;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #e85a50;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    background-color: #e9ecef;
    margin: 5px 0;
    padding: 10px;
    border-radius: 5px;
}

nav ul {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 0;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: white;
    background-color: #007bff;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

nav ul li a:hover {
    background-color: #0056b3;
}

/* Στυλ για πίνακες */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

table th, table td {
    border: 1px solid #ddd;
    padding: 15px;
    text-align: left;
    font-size: 16px;
}

table th {
    background-color: #007bff;
    color: white;
    cursor: pointer;
    text-transform: uppercase;
}

table th.sort-asc::after {
    content: ' ↑';
    font-size: 0.8em;
}

table th.sort-desc::after {
    content: ' ↓';
    font-size: 0.8em;
}

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

table tr:hover {
    background-color: #f1f1f1;
}

/* Στυλ για λίστα αντικειμένων */
.item-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.item-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #e9ecef;
    padding: 10px;
    margin: 5px 0;
    border-radius: 5px;
}

.inline-delete-form {
    display: inline; /* Διατήρηση του κουμπιού διαγραφής στη σειρά */
}

.delete-btn {
    margin-left: 10px;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.delete-btn:hover {
    background-color: #c82333;
}

/* Στυλ για τη σελίδα index */
.features {
    margin: 20px auto;
    padding: 15px;
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 600px;
}

.features h2 {
    text-align: center;
    background-color: #28a745;
    color: white;
    padding: 10px;
    border-radius: 5px;
}

.features ul {
    list-style-type: none;
    padding: 0;
}

.features ul li {
    background-color: #e9ecef;
    margin: 5px 0;
    padding: 10px;
    border-radius: 5px;
}

/* Media query για κινητές συσκευές */
@media (max-width: 768px) {
    body {
        font-size: 14px;
        padding: 10px;
    }

    h1, h2 {
        font-size: 18px;
        text-align: center;
    }

    form {
        margin: 10px 0;
    }

    input, select, button, textarea {
        width: 100%;
        box-sizing: border-box;
    }

    button {
        font-size: 16px;
    }

    ul {
        padding: 0;
    }

    li {
        font-size: 14px;
    }

    table {
        font-size: 14px;
    }

    table th, table td {
        padding: 8px;
    }

    nav ul {
        flex-direction: column;
        gap: 10px;
    }
}
.logout-container {
    text-align: right;
    margin: 10px 20px;
}

.logout-container button {
    background-color: #ff6f61; /* Coral */
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.logout-container button:hover {
    background-color: #e85a50;
}
form {
    display: inline-block;
    margin-right: 10px;
}

form button {
    background-color: #4CAF50; /* Πράσινο */
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

form button:hover {
    background-color: #45a049;
}
.search-container {
    display: flex;
    gap: 20px; /* Απόσταση μεταξύ των πεδίων */
    align-items: center;
}

.search-field {
    display: flex;
    flex-direction: column;
}
.welcome-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px 20px;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.welcome-container p {
    margin: 0;
    font-size: 16px;
    font-weight: bold;
}

.welcome-container button {
    background-color: #ff6f61;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.welcome-container button:hover {
    background-color: #e85a50;
}
.admin-tools {
    margin: 20px auto;
    padding: 15px;
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    text-align: center;
}

.admin-tools h2 {
    background-color: #007bff;
    color: white;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
}

.admin-tools .tool-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px; /* Απόσταση ανάμεσα στα κουμπιά */
}

.admin-tools .tool-buttons a {
    text-decoration: none;
    background-color: #28a745;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-weight: bold;
    text-align: center;
    margin: 5px; /* Πρόσθετη απόσταση για περισσότερη ευκρίνεια */
}

.admin-tools .tool-buttons a:hover {
    background-color: #218838;
}

.tool-btn {
    display: inline-block;
    text-decoration: none;
    background-color: #28a745;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    font-weight: bold;
    text-align: center;
    margin: 5px; /* Εξασφαλίζει ομοιομορφία με τα άλλα κουμπιά */
}

.tool-btn:hover {
    background-color: #218838;
}