.mail-body-viewer { min-width: 0; margin-top: 18px; }
.mail-body-toolbar { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px; }
.mail-body-toolbar button { width: auto; min-height: 38px; margin: 0; padding: 8px 13px; border: 1px solid #cfcbbf; border-radius: 8px; color: #122126; background: #fffaf0; box-shadow: none; font: 600 13px/1.4 sans-serif; cursor: pointer; }
.mail-body-toolbar button[aria-pressed="true"] { border-color: #122126; color: #fffaf0; background: #122126; }
.mail-body-toolbar button:focus-visible { outline: 3px solid #1f6f78; outline-offset: 3px; }
.mail-body-note { margin: 12px 20px !important; color: #53656a; font: 12px/1.6 sans-serif; }
.mail-body-frame { display: block; width: 100%; height: 520px; min-height: 390px; border: 0; background: #fff; }
.mail-body-viewer .mail-body-source { width: 100%; min-height: 300px; max-height: 620px; margin: 0; padding: 22px; overflow: auto; border: 0; border-radius: 0; color: #122126; background: #fff; font: 14px/1.7 Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 4; }
.mail-body-viewer [hidden] { display: none !important; }
.mail-item > details > summary { padding: 12px 0; }
@media (max-width: 640px) { .mail-body-toolbar { padding: 0 14px; } .mail-body-note { margin-right: 14px !important; margin-left: 14px !important; } .mail-body-frame { height: 440px; } .mail-body-viewer .mail-body-source { padding: 16px; } }