.email-preview {
    box-sizing: border-box;
    position: fixed;
    inset: 0;
    width: min(820px, calc(100vw - 32px));
    max-width: none;
    max-height: calc(100dvh - 32px);
    margin: auto;
    padding: 0;
    overflow: auto;
    border: 1px solid #d9e2ec;
    border-radius: 12px;
    background: #fff;
    color: #1f2933;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .35);
    font: 14px/1.5 Arial, sans-serif;
    text-align: left;
}

.email-preview::backdrop { background: rgba(8, 10, 11, .7); }
.email-preview__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 20px 24px; background: #f4efdf; border-bottom: 1px solid #d9e2ec; }
.email-preview .email-preview__sandbox { margin: 0 0 6px; color: #6c5930; font: 700 12px/1.5 Arial, sans-serif; }
.email-preview #email-preview-title { margin: 0; color: #1f2933; font: 700 22px/1.3 Arial, sans-serif; letter-spacing: normal; }
.email-preview .email-preview__notice { margin: 6px 0 0; color: #52606d; font: 14px/1.5 Arial, sans-serif; }
.email-preview .email-preview__close { display: grid; place-items: center; flex-shrink: 0; width: 36px; min-height: 36px; margin: 0; padding: 0; border: 1px solid #c2b280; border-radius: 6px; background: #fff; color: #30291b; font: 24px/1 Arial, sans-serif; cursor: pointer; }
.email-preview__close:focus-visible { outline: 2px solid #6c5930; outline-offset: 3px; }
.email-preview__message + .email-preview__message { border-top: 2px solid #d9e2ec; }
.email-preview .email-preview__subject { margin: 0; padding: 20px 24px 12px; color: #1f2933; font: 700 18px/1.4 Arial, sans-serif; overflow-wrap: anywhere; letter-spacing: normal; }
.email-preview__details { display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 6px 12px; margin: 0; padding: 0 24px 20px; border-bottom: 1px solid #d9e2ec; }
.email-preview__details dt { color: #52606d; font-weight: 700; }
.email-preview__details dd { margin: 0; overflow-wrap: anywhere; }
.email-preview__body { display: block; width: 100%; height: min(55dvh, 500px); min-height: 220px; border: 0; background: #fff; }
.email-preview__text { padding: 24px; white-space: pre-wrap; overflow-wrap: anywhere; }

@media (max-width: 479px) {
    .email-preview__header { padding: 16px; }
    .email-preview .email-preview__subject { padding: 16px 16px 12px; }
    .email-preview__details { padding: 0 16px 16px; }
    .email-preview__text { padding: 16px; }
}