:root {
    --box-size: 400px; 
    --gray: #000000;
}

body {
    font-family: 'Barlow', sans-serif;
    letter-spacing: 0.5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    justify-content: space-between;
    background-color: #000; 
    color: #fff; 
}

section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

section#model {
    margin-top: 90px;
}

section#info {
    margin-top: 50px;
}

section > * {
    margin: 14px;
}

a, h1, h2 {
    text-align: center;
    color: #fff;
}

h1 {
    font-size: 24px;
    line-height: 29px;
    font-weight: bold;
}

h2 {
    font-size: 18px;
    line-height: 22px;
    font-weight: bold;
}

#webcam-wrapper {
    width: var(--box-size);
    height: var(--box-size);
    background-color: var(--gray);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 4px solid #ccc;
    border-top: 4px solid #fff;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: translate(100%, 100%) rotate(0deg); }
    100% { transform: translate(100%, 100%) rotate(360deg); }
}

#webcam-wrapper > canvas {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover; 
}

#webcam {
    width: 100%;
    height: 100%;
    transform: rotateY(180deg);
    object-fit: cover; 
}

#graph-wrapper > div {
    display: none; 
}

#graph-wrapper > div > * {
    display: inline-block;
    width: var(--box-size);
    margin: 0 10px;
}

#graph-wrapper > div > :first-child {
    text-align: right;
}

#graph-wrapper > div > progress {
    -webkit-appearance: none;
    appearance: none;
    height: 28px;
}

#graph-wrapper > div > progress::-webkit-progress-bar {
    border-radius: 4px;
    background-color: var(--color-light);
    border: 1px solid var(--color);
}

#graph-wrapper > div > progress::-webkit-progress-value {
    border-radius: 2px;
    background-color: var(--color);
}

footer {
    width: 100%;
    text-align: right;
    padding: 25px;
}

footer * {
    color: var(--gray);
    text-align: right;
}