.mail-captcha { margin:20px 0 6px; padding-top:16px; border-top:1px solid #edf0f4; }
.mail-captcha > label { font-size:13px; font-weight:500; color:#65738a; margin-bottom:8px; }
.mail-captcha-row { display:flex; align-items:center; gap:10px; }
.mail-captcha-row .form-control { flex:1; min-width:0; height:42px; font-size:14px; }
.mail-captcha-refresh { display:flex; align-items:center; gap:6px; flex-shrink:0; border:1px solid #dfe5ed; background:#f8fafc; padding:2px 7px 2px 2px; border-radius:5px; cursor:pointer; color:#63738b; }
.mail-captcha-refresh img { width:144px; height:36px; object-fit:contain; }
.mail-captcha-refresh span { font-size:23px; line-height:1; }
.mail-captcha-refresh:focus-visible,.mail-security-close:focus-visible { outline:2px solid #2486e8; outline-offset:2px; }
.mail-security-overlay { position:fixed; inset:0; z-index:1080; background:rgba(20,34,52,.4); align-items:center; justify-content:center; padding:20px; }
.mail-security-overlay.is-open { display:flex !important; }
.mail-security-active .modal-dialog { transform:none !important; }
.mail-security-card { width:100%; max-width:390px; max-height:90vh; overflow:auto; background:white; border-radius:12px; padding:24px; box-shadow:0 16px 48px rgba(15,35,60,.23); color:#273b54; }
.mail-security-heading { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.mail-security-heading h4 { margin:0; font-size:20px; font-weight:600; }
.mail-security-close { border:0; background:transparent; font-size:26px; color:#8390a0; cursor:pointer; padding:0 4px; }
.mail-security-card > p { font-size:14px; line-height:1.6; color:#718096; margin:0 0 20px; }
.mail-security-card .mail-captcha { border:0; padding:0; margin:0; }
.mail-security-card .mail-captcha > label { display:none; }
.mail-security-error { color:#b33838; font-size:13px; margin-top:10px; }
.mail-security-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:22px; }
.mail-security-actions .btn { border-radius:5px; font-size:14px; padding:9px 14px; }
@media(max-width:420px) { .mail-security-card { padding:20px; } .mail-captcha-row { flex-wrap:wrap; } .mail-captcha-row .form-control { flex-basis:100%; } }