*{box-sizing:border-box}body{font-family:system-ui;margin:0;background:#f5f7f9;color:#243746}.shell{max-width:900px;margin:auto;padding:40px 20px}.tool-card{background:#fff;padding:28px;border-radius:18px}.drop-zone{display:grid;gap:8px;text-align:center;padding:50px;border:2px dashed #aaa;border-radius:14px;cursor:pointer}.drop-zone input{margin:auto}video{width:100%;max-height:430px;background:#111;margin-top:20px}select,input,button,a{font:inherit;padding:10px;margin:8px 0}.hidden{display:none!important}.error{background:#fff0f0;color:#8d2323;padding:12px}.hint,small{color:#687684}progress{width:100%}
.primary-button {
    display: inline-block;
    padding: 12px 20px;
    border: 0;
    border-radius: 8px;
    background: #243746;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 11px;
    padding: 13px 20px;
    background: #243746;
    color: white;
    text-decoration: none;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

.primary-button:hover,
.primary-button:focus {
    color: white;
    text-decoration: none;
}

.secondary-button {
    display: block;
    margin: 16px auto 0;
    border: 0;
    background: none;
    color: #315d7d;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.secondary-button:hover,
.secondary-button:focus {
    text-decoration: underline;
}