/* ===== BANNIÈRE D'ALERTE - Café Sain Fractal ===== */
.sf-alerte {
    display: none;
    width: 100%;
    padding: 0.65rem 1.2rem;
    font-family: 'Open Sans', sans-serif;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 99;
    animation: alerteSlide 0.35s ease;
}
@keyframes alerteSlide {
    from { transform: translateY(-100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
.sf-alerte.visible { display: flex; align-items: center; gap: 0.7rem; }

/* Types */
.sf-alerte.warning { background: #F59E0B; color: #fff; }
.sf-alerte.danger  { background: #DC2626; color: #fff; }
.sf-alerte.info    { background: #6B885F; color: #fff; }
.sf-alerte.success { background: #059669; color: #fff; }

.sf-alerte-icon { display: flex; flex-shrink: 0; }
.sf-alerte-msg  { flex: 1; }
.sf-alerte-close {
    background: rgba(255,255,255,0.25);
    border: none; border-radius: 50%;
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 1rem; color: white;
    flex-shrink: 0; transition: background 0.15s;
    line-height: 1;
}
.sf-alerte-close:hover { background: rgba(255,255,255,0.4); }