body {
    background: #181a20;
    color: #e5e6eb;
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

div {
    margin-top: 32px;
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-align: center;
}

button[type="button"] {
    background: linear-gradient(90deg,#41e1ce,#517aff 90%);
    color: #fff;
    border: none;
    padding: 0.9em 2.5em;
    border-radius: 2em;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 28px 0 0 0;
    box-shadow: 0 4px 18px 0 rgba(80,220,255,0.10);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    outline: none;
}
button[type="button"]:hover {
    background: linear-gradient(90deg,#517aff 10%,#41e1ce 100%);
    transform: scale(1.04);
    box-shadow: 0 2px 24px 0 rgba(80,220,255,0.20);
}

#webcam-container {
    margin-top: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
}
#webcam-container canvas {
    border-radius: 14px;
    box-shadow: 0 6px 42px 0 rgba(60,100,255,0.12);
    background: #25262b;
    margin: 0 auto;
    display: block;
    max-width: 100vw;
}

#label-container {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
#label-container div {
    font-size: 1.16rem;
    font-weight: 500;
    color: #c0f0fa;
    background: rgba(40,60,80,0.17);
    border-radius: 8px;
    padding: 7px 22px;
    margin-bottom: 11px;
    box-shadow: 0 1px 6px 0 rgba(45,180,255,0.08);
    transition: background 0.17s, color 0.17s;
}
#label-container div:last-child {
    margin-bottom: 0;
}

@media (max-width: 600px) {
    div {
        font-size: 1.3rem;
    }
    #webcam-container {
        margin-top: 20px;
    }
    button[type="button"] {
        font-size: 1rem;
        padding: 0.7em 1.4em;
    }
    #label-container div {
        font-size: 0.99rem;
        padding: 7px 10px;
    }
}