body.light-mode {
    background-color: #f8f9fa;
    color: #343a40;
}

body.dark-mode {
    background-color: #343a40;
    color: #f8f9fa;
}

h1 {
    font-size: 2.5rem;
    font-weight: bold;
}

.toolbar {
    margin-bottom: 10px;
}

.toolbar .btn {
    margin-right: 5px;
    margin-bottom: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.editor-container {
    background-color: #ffffff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    padding: 15px;
    min-height: 300px;
    color: #343a40;
    font-size: 1rem;
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode .editor-container {
    background-color: #495057;
    color: #f8f9fa;
    border: 1px solid #6c757d;
}

.footer {
    margin-top: 40px;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode .footer {
    background-color: #212529;
    color: #adb5bd;
}