/* Shared cosmetic touches for the dossier-themed pages (login/menu +
   the three conversion tools). Pure visual polish, no layout/business
   rules - each page keeps its own page-specific styling untouched. */

.stamp-btn.processing {
    position: relative;
    overflow: hidden;
    background: var(--stamp-dark);
}

.stamp-btn.processing::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    border-radius: 50%;
    background: rgba(251, 248, 242, 0.55);
    animation: dossierInkBlot 1.4s ease-out infinite;
    pointer-events: none;
}

@keyframes dossierInkBlot {
    0%   { transform: scale(0); opacity: 0.65; }
    70%  { opacity: 0.15; }
    100% { transform: scale(9); opacity: 0; }
}