body {
    font-family: Arial, sans-serif;
    background: #fff;
    color: #000;
    margin: 0;
    padding: 0;
}

.navbar {
    background: #AD2A13;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    color: #fff;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    margin-left: 10px;
}

h2 {
    color: #AD2A13;
    text-align: center;
    margin: 20px 0;
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-box {
    background: #f8e5e3;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.login-box input, .form-box input, .form-box textarea {
    display: block;
    width: 90%;
    margin: 10px auto;
    padding: 10px;
    border: 1px solid #AD2A13;
    border-radius: 5px;
}

button {
    background: #AD2A13;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #801f0d;
}

table {
    width: 90%;
    margin: auto;
    border-collapse: collapse;
}

table th, table td {
    border: 1px solid #AD2A13;
    padding: 8px;
    text-align: center;
}

table td a {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    margin: 2px;
}

table td a[href*="edit_material.php"] {
    background: #f8e5e3;
    border: 1px solid #AD2A13;
    color: #AD2A13;
}

table td a[href*="edit_material.php"]:hover {
    background: #AD2A13;
    color: #fff;
}

table td a[href*="delete_material.php"] {
    background: #eee;
    border: 1px solid #444;
    color: #000;
}

table td a[href*="delete_material.php"]:hover {
    background: #444;
    color: #fff;
}


.pagination {
    text-align: center;
    margin: 20px;
}

.pagination a {
    margin: 0 5px;
    text-decoration: none;
    color: #AD2A13;
    padding: 5px 10px;
    border: 1px solid #AD2A13;
    border-radius: 5px;
}

.pagination a.active, .pagination a:hover {
    background: #AD2A13;
    color: #fff;
}

.menu {
    width: 250px;
    margin: 40px auto;
    background: #fff;
    border: 2px solid #AD2A13;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
}

.menu h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #AD2A13;
    border-bottom: 2px solid #AD2A13;
    padding-bottom: 8px;
}

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

.menu li {
    margin: 15px 0;
}

.menu a {
    display: block;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    color: #000;
    background: #f8e5e3; /* rojo claro */
    padding: 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #AD2A13;
}

.menu a:hover {
    background: #AD2A13;
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}