/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Header */
.header {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.header h1 {
    margin: 0;
    font-size: 24px;
    letter-spacing: 1px;
}

/* Sidebar */
.sidebar {
    width: 220px;
    background-color: #fff;
    border-right: 1px solid #ddd;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding-top: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

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

.sidebar ul li {
    margin: 10px 0;
}

.sidebar ul li a {
    text-decoration: none;
    color: #333;
    padding: 10px 20px;
    display: block;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
}

.sidebar ul li a:hover {
    background-color: #007bff;
    color: #fff;
}

/* Main Content */
.main-content {
    margin-left: 240px;
    padding: 20px;
    background-color: #fff;
    min-height: 100vh;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Form Styles */
form {
    margin-bottom: 20px;
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

form input,
form button {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

form input:focus,
form button:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

form button {
    background-color: #007bff;
    color: #fff;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

form button:hover {
    background-color: #0056b3;
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

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

table th {
    background-color: #f4f4f4;
    font-weight: bold;
    text-transform: uppercase;
}

table tr:hover {
    background-color: #f9f9f9;
}

/* Buttons inside Table */
table a {
    text-decoration: none;
    padding: 5px 10px;
    margin: 0 5px;
    color: #fff;
    background-color: #007bff;
    border-radius: 4px;
    transition: background-color 0.3s;
}

table a:hover {
    background-color: #0056b3;
}

table .delete-link {
    background-color: #dc3545;
}

table .delete-link:hover {
    background-color: #a71d2a;
}

/* Footer */
.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .sidebar {
        width: 180px;
    }

    .main-content {
        margin-left: 200px;
    }

    table th,
    table td {
        font-size: 14px;
        padding: 8px;
    }

    form input,
    form button {
        font-size: 14px;
    }
}

@media screen and (max-width: 480px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
    }

    .main-content {
        margin-left: 0;
    }

    table th,
    table td {
        font-size: 12px;
    }

    form input,
    form button {
        font-size: 12px;
    }
}