/* En-tête compact : retour + navigation secondaire */

.ia-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.ia-back {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-button);
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
    flex-shrink: 0;
    box-shadow: 0 4px 16px var(--color-shadow);
    transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.ia-back:hover,
.ia-back:focus-visible {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    transform: translateX(-1px);
}

.ia-back i {
    font-size: 1rem;
}

.ia-tabs {
    display: flex;
    flex: 1;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
    margin-bottom: 0;
}

.ia-tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-surface);
    color: var(--color-muted);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
}

.ia-tab.is-active {
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 12%, var(--color-surface));
    color: var(--color-primary);
    box-shadow: 0 6px 18px var(--color-shadow-primary);
}

.ia-tab__icon-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ia-tab__icon-wrap > i {
    font-size: 1rem;
}

@media (max-width: 640px) {
    .ia-top {
        align-items: stretch;
    }

    .ia-tabs {
        flex-direction: column;
        width: 100%;
    }

    .ia-tab {
        width: 100%;
        justify-content: center;
    }
}