/**
 * Messages de confirmation / erreur : fixe, centre-haut, vert = succès, rouge = erreur.
 * (Inclus par app.css via @import, ou seul sur les pages auth client.)
 */

.app-flash-stack {
    position: fixed;
    top: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10050;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    max-width: min(92vw, 32rem);
    width: 100%;
    padding: 0 0.75rem;
    box-sizing: border-box;
    pointer-events: none;
}

.app-flash-stack .app-alert {
    pointer-events: auto;
    margin: 0;
    width: 100%;
    max-width: min(90vw, 28rem);
    justify-content: center;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    line-height: 1.4;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    padding: 0.65rem 1.1rem;
}

.app-flash-stack .app-alert i {
    flex-shrink: 0;
}

/* Succès : vert */
.app-alert--success,
.app-flash-stack .app-alert--success {
    background: #d1fae5;
    color: #047857;
    border: 1px solid #6ee7b7;
}

/* Erreur : rouge */
.app-alert--error,
.app-flash-stack .app-alert--error {
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

/* Bootstrap / vues héritées */
.alert,
.alert-success,
.alert.alert-success {
    border-radius: 8px;
    padding: 0.65rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-success,
.alert.alert-success {
    background: #d1fae5;
    color: #047857;
    border: 1px solid #6ee7b7;
}

.alert-danger,
.alert.alert-danger,
.alert--danger,
.alert-danger.mb-4 {
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}