/* Scoped to the mail reader; other popup, theme and landing effects stay intact. */
html:has(#mail-modal[style*="display: flex"]), body:has(#mail-modal[style*="display: flex"]) { overflow: hidden !important; }
#mail-modal { backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); z-index: 100000 !important; box-sizing: border-box; padding: 12px; height: 100dvh; }
#mail-modal .mail-reader { animation: mailReaderAppear 120ms ease-out !important; transform: none; width: 1000px !important; max-width: 100% !important; height: 92vh; height: 92dvh; max-height: 100% !important; min-height: 0; margin: 0; }
#mail-modal .mail-reader-titlebar { padding: 10px 14px !important; gap: 12px; flex: 0 0 auto; align-items: flex-start !important; }
#mail-modal #modal-subject { flex: 1; min-width: 0; max-width: none !important; font-size: 18px !important; line-height: 1.35; white-space: normal !important; overflow-wrap: anywhere; text-overflow: clip !important; max-height: 20vh; overflow-y: auto !important; }
#mail-modal .mail-reader-titlebar .btn-icon { flex: 0 0 36px; }
#mail-modal .reader-header { flex: 0 0 auto; padding: 8px 14px !important; gap: 4px !important; }
#mail-modal .reader-header > div { gap: 8px !important; font-size: 12px !important; line-height: 1.4; min-width: 0; }
#mail-modal .reader-header > div > span:first-child { min-width: 58px !important; flex-shrink: 0; font-weight: 500 !important; }
#mail-modal #modal-sender, #mail-modal #modal-time { padding: 2px 6px !important; border-radius: 5px !important; min-width: 0; overflow-wrap: anywhere; }
#mail-modal #modal-body { flex: 1 1 0; min-height: 0 !important; padding: 0 !important; overflow: auto !important; overscroll-behavior: contain; }
#mail-modal .mail-content-frame { display: block; border: 0; width: 100%; height: 100%; min-height: 180px; background: white; }
#mail-modal .mail-plain-text, #mail-modal .mail-reader-note, #mail-modal .mail-attachments { padding: 12px 16px; margin: 0; }
#mail-modal .mail-plain-text { white-space: pre-wrap; overflow-wrap: anywhere; }
#mail-modal .mail-reader-note { color: #555; padding: 12px 0; }
#mail-modal .mail-attachments { border-top: 1px solid #ddd; margin-top: 16px; padding-top: 12px; }
#mail-modal .mail-attachments h3 { font: 600 16px/1.4 Arial, sans-serif; color: #222; }
#mail-modal .mail-attachment { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; overflow-wrap: anywhere; }
#mail-modal .mail-attachment img { max-width: 100%; max-height: 360px; width: auto; object-fit: contain; align-self: flex-start; border-radius: 8px; }
#mail-modal .mail-attachment a { color: #5b21b6; text-decoration: underline; }
#mail-modal .mail-attachment small { color: #555; }
#mail-modal .mail-reader-retry { color: white; background: #6d28d9; border: 0; border-radius: 8px; padding: 10px 18px; cursor: pointer; }
@keyframes mailReaderAppear { from { opacity: 0; } to { opacity: 1; } }
@media (max-width: 600px) {
    #mail-modal { padding: max(6px, env(safe-area-inset-top)) max(4px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(4px, env(safe-area-inset-left)); }
    #mail-modal .mail-reader { height: 100%; border-radius: 14px; }
    #mail-modal .mail-reader-titlebar { padding: 8px 10px !important; gap: 8px; }
    #mail-modal #modal-subject { font-size: 16px !important; }
    #mail-modal .reader-header { padding: 6px 10px !important; }
}
@media (prefers-reduced-motion: reduce) { #mail-modal .mail-reader { animation: none !important; } }