.drop-zone {
    border: 2px dashed #cccccc;
    border-radius: 4px;
    padding: 20px;
    text-align: center;
    font-family: Arial, sans-serif;
    /* color: #cccccc; */
    transition: background-color 0.3s;
}
.drop-zone.dragover {
    background-color: #f0f0f0;
    border-color: #666666;
}
.hidden {
    display: none;
}

.pdf-drop-zone {
    position: relative;
    display: grid;
    place-items: center;
    gap: .4rem;
    min-height: 132px;
    padding: 1rem;
    border: 2px dashed #a9b8ca;
    border-radius: 12px;
    background: #fff;
    color: #526274;
    text-align: center;
    cursor: pointer;
    transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.pdf-drop-zone:hover,
.pdf-drop-zone:focus-visible,
.pdf-drop-zone.is-dragover {
    border-color: #0d6efd;
    background: #f3f7ff;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, .1);
    outline: none;
}

.pdf-drop-zone.is-valid {
    border-color: #198754;
    background: #f2fbf6;
}

.pdf-drop-zone.is-invalid {
    border-color: #dc3545;
    background: #fff5f5;
}

.pdf-drop-zone__icon {
    color: #0d6efd;
    font-size: 1.8rem;
}

.pdf-drop-zone__title {
    color: #25364a;
    font-weight: 700;
}

.pdf-drop-zone__hint,
.pdf-drop-zone__filename {
    font-size: .8rem;
}

.pdf-drop-zone__filename {
    color: #25364a;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.pdf-requirements {
    display: grid;
    gap: .25rem;
    margin: .75rem 0 0;
    padding: 0;
    list-style: none;
    text-align: left;
}

.pdf-requirement {
    display: flex;
    align-items: flex-start;
    gap: .4rem;
    color: #526274;
    font-size: .78rem;
    font-weight: 600;
}

.pdf-requirement i {
    flex: 0 0 1rem;
    width: 1rem;
    margin-top: .1rem;
    text-align: center;
}