/* Animation d'apparition */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

/* Cartes des opérateurs */
.op-card {
    border: 2px solid #f3f4f6;
    border-radius: 1rem;
    padding: 0.75rem 0.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.2s ease;
}

/* Onglets de preuve */
.preuve-tab {
    flex: 1;
    padding: 0.5rem;
    font-size: 11px;
    font-weight: bold;
    border-radius: 0.5rem;
    background-color: #f3f4f6;
    color: #6b7280;
    transition: all 0.2s;
}

.preuve-tab.active {
    background-color: #1e3a8a;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.preuve-content {
    animation: fadeIn 0.2s ease-in-out;
}