style.css

:root {
    --bg-color-light: #f4f4f4;
    --bg-color-dark: #2e2e2e;
    --text-color-light: #000;
    --text-color-dark: #fff;
    --alert-bg-color: red;
    --alert-text-color: white;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    margin: 0;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.dark-mode {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
}

button {
    padding: 10px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #555;
    color: #fff;
}

button:hover {
    background-color: #777;
}

#dark-mode-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
}

#camera-toggle {
    position: absolute;
    top: 50px;
    right: 10px;
}

#webcam-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

#webcam-frame {
    border: 5px solid #555;
    padding: 10px;
    border-radius: 10px;
    width: fit-content;
    background-color: var(--bg-color-light);
}

#webcam {
    border-radius: 10px;
    max-width: 100%;
}

.alert-box {
    display: none;
    background-color: var(--alert-bg-color);
    color: var(--alert-text-color);
    padding: 15px;
    text-align: center;
    border-radius: 5px;
    margin-top: 20px;
}

.alert-box p {
    margin: 0;
    font-size: 18px;
}

.alert-box button {
    background-color: green;
    color: #fff;
}

.alert-box button:hover {
    background-color: darkgreen;
}

.matrix-container {
    margin-top: 20px;
    text-align: center;
}

.matrix-level {
    display: inline-block;
    width: 50px;
    height: 50px;
    margin: 5px;
    border-radius: 50%;
    background-color: grey;
}

.level-1 {
    background-color: green;
}

.level-2 {
    background-color: yellow;
}

.level-3 {
    background-color: orange;
}

.level-4 {
    background-color: red;
}

#description {
    margin-bottom: 20px;
    text-align: center;
}