/* ==============================================================
   SUFFAYA — Navigation / Header
   Barre de navigation principale responsive mobile-first
   ============================================================== */

/* --- Header principal --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height-mobile);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    gap: var(--spacing-md);
}

/* --- Logo --- */
.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.header-logo img {
    height: 32px;
    width: auto;
}

.header-logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

/* --- Barre de recherche --- */
.header-search {
    display: none;
    flex: 1;
    max-width: 480px;
    position: relative;
}

.header-search input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-full);
    background: var(--color-gray-50);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-50);
    outline: none;
    background: var(--color-white);
}

.header-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
    pointer-events: none;
}

/* --- Actions (icones) --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.header-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    color: var(--color-gray-600);
    transition: background var(--transition-fast), color var(--transition-fast);
    position: relative;
}

.header-action-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.header-action-btn svg {
    width: 22px;
    height: 22px;
}

.header-action-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--border-radius-full);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* --- Bouton menu mobile --- */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    color: var(--color-gray-700);
}

.menu-toggle:hover {
    background: var(--color-gray-100);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* --- Navigation categories (barre sous le header) --- */
.nav-categories {
    display: none;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: calc(var(--z-sticky) - 1);
}

.nav-categories-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 44px;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-categories-inner::-webkit-scrollbar { display: none; }

.nav-cat-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    white-space: nowrap;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.nav-cat-link:hover,
.nav-cat-link.active {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

/* --- Overlay mobile --- */
.header-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: calc(var(--z-drawer) - 1);
    opacity: 0;
    transition: opacity var(--transition);
}

.header-overlay.active {
    display: block;
    opacity: 1;
}

/* --- Desktop (768px+) --- */
@media (min-width: 768px) {
    .header {
        height: var(--header-height);
    }

    .page-content {
        padding-top: var(--header-height);
    }

    .header-search {
        display: block;
    }

    .menu-toggle {
        display: none;
    }

    .nav-categories {
        display: block;
    }

    .page-content.has-nav {
        padding-top: calc(var(--header-height) + 44px);
    }
}

/* --- Menu utilisateur connecte (header) --- */
.header-user-menu {
    position: relative;
}

.header-user-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: background var(--transition-fast);
    border: 2px solid var(--color-primary-light);
}

.header-user-btn:hover {
    background: var(--color-primary-dark);
}

.header-user-initial {
    line-height: 1;
}

.header-user-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: var(--z-dropdown);
    overflow: hidden;
    animation: dropdown-in 0.15s ease-out;
}

html[dir="rtl"] .header-user-dropdown {
    right: auto;
    left: 0;
}

.header-user-dropdown.open {
    display: block;
}

.header-user-info {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
}

.header-user-info strong {
    font-size: var(--font-size-sm);
    color: var(--color-gray-800);
}

.header-user-info small {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: 2px;
}

.header-user-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 16px;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    transition: background var(--transition-fast);
}

.header-user-link:hover {
    background: var(--color-gray-50);
}

.header-user-link svg {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
}

.header-user-logout {
    color: var(--color-danger);
    border-top: 1px solid var(--color-gray-100);
}

.header-user-logout svg {
    color: var(--color-danger);
}

@keyframes dropdown-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}