/* Base Styles */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: #03376a;
}

header, footer {
    background-color: #03376a;
    color: #ffffff;
    text-align: center;
    padding: 1.5rem 0;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
}

header h1 {
    color: #ffffff;  
    font-size: 2rem;
    margin: 0; 
    padding: 0;
}

main {
    flex: 1;
    width: 80%;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #f4f7fa; 
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1, h2, h3 {
    color: #03376a;
    margin-top: 0;
}

h1, h2 {
    border-bottom: 2px solid #03376a;  
    padding-bottom: 10px;
    margin-bottom: 1.5rem;
}

header .name {
    font-size: 1.5rem;  
    margin-bottom: 0.5rem;  
}

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

#timeline li {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: #ffffff; 
    border: 1px solid #d1d8e0;  
    border-radius: 8px;
    transition: background-color 0.3s;
}

#timeline li:hover {
    background-color: #e6eef4;  
}

a {
    color: #007BFF; 
    transition: color 0.3s;
}

a:hover {
    color: #0056b3; 
}

a.download-btn {
    display: inline-block;
    background-color: #03376a;
    color: #ffffff;
    padding: 10px 15px;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
}

a.download-btn:hover {
    background-color: #022654;
}

.sort-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.sort-controls label {
    margin-right: 1rem;
}

.sort-controls select {
    padding: 0.5rem;
    border: 1px solid #d1d8e0;
    border-radius: 4px;
    background-color: #ffffff;
    color: #03376a;
}