@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
body { font-family: 'Open Sans'; font-weight: 350; color: #fff; background: #141414; }

.container { width: 80%; margin: 40px auto 20px; }
a { color: #2ca; }
a:hover, a:focus, a:active { text-decoration: none; }
label { background-color: #398; border-radius: 4px; cursor: pointer; padding: 4px 8px; width: 32px; font-size: 90%; }
label.select { cursor: default; margin-right: 4px; }

.boxes {
    display: flex;
    gap: 10px;
    width: 100%;
    align-items: flex-start;
}

.boxes textarea {
    flex: 1;
    min-height: 400px;
    max-height: 1000px;
    height: auto;
    box-sizing: border-box;
    resize: none;

    background-color: #303030;
    border: 1px solid #3c3c3c;
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: border 0.2s ease, box-shadow 0.2s ease;
    overflow-y: auto;
    tab-size: 10;
}

.boxes textarea:focus {
    outline: none;
    border-color: #2ca;
    box-shadow: 0 0 0 2px rgba(16, 163, 127, 0.2);
}