.mail-send-form {
    max-width: 980px;
    margin-bottom: 24px;
}

.mail-body {
    min-height: 240px;
    line-height: 1.45;
}

.mail-attachment {
    margin-top: 16px;
    padding: 14px 16px;
    border: 1px solid #b7cae8;
    border-radius: 10px;
    background: #f5f8fd;
}

.mail-confirmation {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin: 16px 0;
    padding: 18px 20px;
    border: 2px solid #8cb4ee;
    border-radius: 14px;
    background: #f3f7ff;
    cursor: pointer;
}

.mail-resend-confirmation {
    border-color: #e7aa69;
    background: #fff8ee;
}

/* Höhere Spezifität als die allgemeine Breitenregel für Formulareingaben. */
.mail-send-form input.mail-checkbox {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    margin: 2px 0 0;
    accent-color: #0d5bd7;
    cursor: pointer;
}

.mail-confirmation > span {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 5px;
}

.mail-confirmation strong {
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #064895;
}

.mail-resend-confirmation strong {
    color: #a54700;
}

.mail-confirmation small {
    font-size: .95rem;
    color: #44566f;
}

.mail-submit {
    width: 100%;
    min-height: 52px;
    margin: 0 0 22px;
}

.mail-submit:disabled {
    opacity: .48;
    cursor: not-allowed;
}

.mail-send-form input,
.mail-send-form textarea {
    width: 100%;
}

@media (max-width: 720px) {
    .mail-confirmation {
        padding: 15px;
        gap: 12px;
    }

    .mail-send-form input.mail-checkbox {
        flex-basis: 32px;
        width: 32px;
        height: 32px;
    }
}