body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: #333;
}

.canvas-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-bottom: 20px;
}

.canvas-wrapper {
    margin: 10px;
    text-align: center;
}

h2 {
    margin: 10px 0;
    font-size: 1.2rem;
    color: #444;
}

canvas {
    background-color: white;
    border: 1px solid #ccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
}

.controls {
    margin: 10px 0;
}

.hough-selection {
    margin-bottom: 10px;
    font-size: 14px;
}

.hough-selection label {
    margin-right: 10px;
    cursor: pointer;
}

button {
    padding: 8px 12px;
    margin: 0 5px;
    background-color: #4a90e2;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #3a7bc8;
}

button.active {
    background-color: #2c5d99;
    font-weight: bold;
}

.slider-container {
    margin: 10px 0;
    width: 100%;
    text-align: center;
}

.slider-container label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

.slider-container input[type="range"] {
    width: 80%;
    margin: 0 auto;
}

.info-panel {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.info-panel h3 {
    margin-top: 0;
    color: #444;
}

.info-panel p {
    margin: 8px 0;
    color: #666;
}