app.css

:root {
    --primary-color: #4CAF50;
    --secondary-color: #f0f0f0; 
    --text-color: #333; 
    --border-color: #ddd; 
    --button-hover-color: #45a049; 
    --danger-color: #f44336; 
    --font-family: 'Nunito', sans-serif;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    padding: 2rem;
    margin: 0;
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.signature-pad-form {
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    background-color: var(--white-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.75rem;
}

.clear-button {
    color: var(--danger-color);
    cursor: pointer;
    margin-top: 10px;
    text-decoration: none;
}

.clear-button:hover {
    color: darkred;
}

.submit-button {
    width: 100%;
    background-color: var(--primary-color);
    border: none;
    padding: 10px 20px;
    color: var(--white-color);
    cursor: pointer;
    margin-top: 20px;
    font-size: 1rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: var(--button-hover-color);
}

.canvas-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
}

#pdf-canvas {
    border: 1px solid var(--border-color);
    border-radius: 5px;
    display: none; 

.tools {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
    width: 100%;
}

.tools label {
    margin-bottom: 5px;
    color: var(--text-color);
}

.tools input[type="number"] {
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    width: 100%;
    box-sizing: border-box;
}

button, a {
    cursor: pointer;
    text-decoration: none;
}

@media(pointer: coarse) {
    body {
        overflow: hidden;
    }
}
.ad-container {
    margin-top: 20px;
    text-align: center;
}