/**
 * Header & Navigation Styles
 */

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.header__logo {
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
    letter-spacing: 0.05em;
}

/* Navigation */
.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    height: 100%;
}

.header__nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.header__nav-link {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: var(--space-sm) var(--space-md);
}

.header__nav-link:hover,
.header__nav-item:hover .header__nav-link {
    color: var(--color-text-primary);
}

/* Dropdown indicator */
.header__nav-item--has-dropdown .header__nav-link::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: var(--space-xs);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.header__nav-item--has-dropdown:hover .header__nav-link::after {
    transform: rotate(180deg);
}

/* Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.header__action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.header__action-btn:hover {
    color: var(--color-text-primary);
}

.header-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.header-cart:hover {
    color: var(--color-text-primary);
}

.cart-icon {
    width: 24px;
    height: 24px;
}

/* Language Switcher */
.header__lang-switcher {
    position: relative;
}

.header__lang-current {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header__lang-current:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.header__lang-flag {
    font-size: 16px;
    line-height: 1;
}

.header__lang-code {
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header__lang-arrow {
    margin-left: var(--space-xs);
    transition: transform var(--transition-fast);
}

.header__lang-switcher:hover .header__lang-arrow {
    transform: rotate(180deg);
}

/* Language Dropdown */
.header__lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.header__lang-switcher:hover .header__lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header__lang-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-radius: 6px;
    margin: 4px;
}

.header__lang-option:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.header__lang-option:first-child {
    margin-top: 8px;
}

.header__lang-option:last-child {
    margin-bottom: 8px;
}

.header__lang-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

/* Currency Switcher */
.header__currency-switcher {
    position: relative;
}

.header__currency-current {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header__currency-current:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.header__currency-symbol {
    font-size: 14px;
    font-weight: var(--weight-medium);
}

.header__currency-code {
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header__currency-arrow {
    margin-left: var(--space-xs);
    transition: transform var(--transition-fast);
}

.header__currency-switcher:hover .header__currency-arrow {
    transform: rotate(180deg);
}

/* Currency Dropdown */
.header__currency-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 100px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.header__currency-switcher:hover .header__currency-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header__currency-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 6px;
    margin: 4px;
    box-sizing: border-box;
}

.header__currency-option:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.header__currency-option:first-child {
    margin-top: 8px;
}

.header__currency-option:last-child {
    margin-bottom: 8px;
}

.header__currency-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

/* ============================================
   Dropdown Menu (style Décathlon)
   ============================================ */
.header__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-text-primary);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.header__nav-item:hover .header__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header__dropdown-content {
    padding: var(--space-lg);
}

.header__dropdown-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.header__dropdown-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.header__dropdown-link {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding: var(--space-xs) 0;
    transition: all var(--transition-fast);
}

.header__dropdown-link:hover {
    color: var(--color-text-primary);
    padding-left: var(--space-sm);
}

.header__dropdown-see-all {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.header__dropdown-see-all:hover {
    text-decoration: underline;
}

/* ============================================
   Mega Menu (legacy, peut être supprimé)
   ============================================ */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 600px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-top: none;
    padding: var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.header__nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
}

.mega-menu__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.mega-menu__section-title {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.mega-menu__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mega-menu__link {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.mega-menu__link:hover {
    color: var(--color-text-primary);
}

.mega-menu__footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.mega-menu__footer-link {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.mega-menu__footer-link:hover {
    color: var(--color-text-primary);
}

/* ============================================
   Header Search (click to reveal)
   ============================================ */
.header__search {
    position: relative;
    display: flex;
    align-items: center;
}

/* Toggle button always visible */
.header__search-toggle {
    display: flex;
}

/* Search form hidden by default, absolute positioned */
.header__search-form-wrapper {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-sm);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    z-index: 1001;
}

/* Show form when open */
.header__search.is-open .header__search-form-wrapper {
    display: block;
}

.header__search-form-wrapper .search-form {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: border-color var(--transition-fast);
    position: relative;
}

.header__search-form-wrapper .search-form:focus-within {
    border-color: var(--color-text-primary);
}

.header__search-form-wrapper .search-form__input {
    width: 280px;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--text-sm);
}

.header__search-form-wrapper .search-form__input::placeholder {
    color: var(--color-text-muted);
}

.header__search-form-wrapper .search-form__input:focus {
    outline: none;
}

.header__search-form-wrapper .search-form__btn {
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.header__search-form-wrapper .search-form__btn:hover {
    color: var(--color-text-primary);
}

/* Live Search dropdown in header */
.header__search-form-wrapper .live-search-dropdown {
    z-index: 1010;
    min-width: 320px;
    left: 0;
    right: auto;
    top: calc(100% + 4px);
}

/* ============================================
   Hamburger Button
   ============================================ */
.header__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1002;
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-line + .hamburger-line {
    margin-top: 5px;
}

/* Hamburger animation to X */
.header__hamburger.is-active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__hamburger.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.header__hamburger.is-active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Mobile Navigation Overlay
   ============================================ */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.mobile-nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Mobile Navigation Drawer
   ============================================ */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(300px, 80vw);
    background: var(--color-bg-primary);
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    padding-top: calc(var(--space-md) + env(safe-area-inset-top, 0));
}

.mobile-nav__title {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.mobile-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: calc(var(--space-sm) * -1);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.mobile-nav__close:hover {
    color: var(--color-text-primary);
}

.mobile-nav__content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-nav__search {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav__search .search-form {
    max-width: none;
}

.mobile-nav__section {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav__section--account {
    border-bottom: none;
}

.mobile-nav__user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
}

.mobile-nav__link {
    display: block;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link:focus {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.mobile-nav__link--parent {
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
}

.mobile-nav__link--danger {
    color: #ef4444;
}

/* Mobile Accordion */
.mobile-nav__accordion {
    border: none;
}

.mobile-nav__accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: none;
    border: none;
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__accordion-trigger:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.mobile-nav__accordion-icon {
    transition: transform 0.3s ease;
}

.mobile-nav__accordion-trigger[aria-expanded="true"] .mobile-nav__accordion-icon {
    transform: rotate(180deg);
}

.mobile-nav__accordion-content {
    max-height: 0;
    overflow: hidden;
    background: var(--color-bg-secondary);
    transition: max-height 0.3s ease;
}

.mobile-nav__accordion-content .mobile-nav__link {
    padding-left: calc(var(--space-lg) + var(--space-md));
    font-size: var(--text-sm);
}

/* Mobile Nav Footer */
.mobile-nav__footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Mobile Nav Switcher (Language & Currency Accordions) */
.mobile-nav__switcher {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.mobile-nav__switcher-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md);
    background: transparent;
    border: none;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-nav__switcher-trigger:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-hover);
}

.mobile-nav__switcher-current {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mobile-nav__switcher-icon {
    font-size: 16px;
    line-height: 1;
    min-width: 20px;
    text-align: center;
}

.mobile-nav__switcher-arrow {
    transition: transform 0.3s ease;
}

.mobile-nav__switcher-trigger[aria-expanded="true"] .mobile-nav__switcher-arrow {
    transform: rotate(180deg);
}

.mobile-nav__switcher-content {
    max-height: 0;
    overflow: hidden;
    background: var(--color-bg-primary);
    border-top: 1px solid transparent;
    transition: max-height 0.3s ease, border-color 0.3s ease;
}

.mobile-nav__switcher-trigger[aria-expanded="true"] + .mobile-nav__switcher-content {
    border-top-color: var(--color-border);
}

.mobile-nav__switcher-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md);
    background: transparent;
    border: none;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.mobile-nav__switcher-option:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.mobile-nav__switcher-option + .mobile-nav__switcher-option {
    border-top: 1px solid var(--color-border);
}

/* ============================================
   Mobile
   ============================================ */
@media (max-width: 768px) {
    .header__hamburger {
        display: flex;
        order: -1;
    }

    .header__nav {
        display: none;
    }

    .header__dropdown,
    .mega-menu {
        display: none;
    }

    .header__actions {
        gap: var(--space-sm);
    }

    .header__lang-switcher,
    .header__currency-switcher {
        display: none;
    }

    /* Hide account dropdown on mobile */
    .header__nav-item--has-dropdown {
        display: none;
    }

    /* Keep search toggle visible on mobile */
    .header__search {
        display: flex;
    }

    /* Hide the dropdown form on mobile - use fullscreen instead */
    .header__search-form-wrapper {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .header__logo {
        font-size: var(--text-base);
    }

    .header__action-btn,
    .header-cart {
        width: 36px;
        height: 36px;
    }
}