body {
    background-color: #0f1a2c; /* deep navy blue */
    color: #f0f0f0; /* soft white text */
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: auto;
    padding: 20px;
}

h1 {
    color: #ff6600; /* PeptideBuddy orange */
    text-align: center;
    margin-bottom: 20px;
}

p {
    text-align: center;
    color: #d0d0d0; /* muted light grey for description text */
}

.peptide {
    background-color: #1c2535; /* dark blue-gray peptide box */
    padding: 15px;
    margin: 15px 0;
    border: 1px solid #ff6600; /* orange outline */
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, border 0.3s;
}

.peptide:hover {
    background-color: #263045; /* lighter hover */
    border: 1px solid #ffa94d; /* lighter orange on hover */
}

.dossier {
    display: none;
    margin-top: 15px;
    background-color: #17202f; /* inner box background */
    padding: 15px;
    border-radius: 8px;
    color: #e0e0e0;
}

a {
    color: #ff6600;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    margin-top: 50px;
    font-size: 0.9em;
    color: #aaaaaa;
}