/* Same confirmation surface and controls as the extension's normal send dialog. */
.sw-empty-subject-backdrop{position:fixed;inset:0;z-index:2100;background:rgba(20,24,32,.3)}
.sw-feature-dialog.sw-form28.sw-empty-subject-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2101;width:min(460px,calc(100vw - 28px));min-width:0;max-width:calc(100vw - 28px);max-height:calc(100dvh - 40px);box-sizing:border-box;padding:0;overflow:auto}
.sw-empty-subject-question{margin:4px 20px 16px;padding:12px 14px;border-radius:10px;background:#f6f6f8;color:#0d0d0d;font-size:14px;font-weight:600;line-height:20px}
.sw-empty-subject-actions{display:flex;justify-content:flex-end;gap:6px;padding:12px 20px;box-shadow:0 -1px 0 #e5e5e5}
.sw-feature-dialog.sw-form28 .sw-empty-subject-actions>button{height:36px;min-height:36px;padding:0 14px;background:transparent;color:#6e6e6e;border:0;border-radius:999px;font-size:13px;font-weight:500;cursor:pointer}
.sw-feature-dialog.sw-form28 .sw-empty-subject-actions>button.sw-primary{padding:0 18px;background:#0d0d0d;color:#fff!important}
.sw-feature-dialog.sw-form28 .sw-empty-subject-actions>button.sw-primary:hover{background:#0d0d0d;color:#fff!important}