/**
 * NAVS - Header Application
 * Design System based on README.md specifications
 * Full width header with Bootstrap compatibility
 */

/* ========================================
   HEADER FULL WIDTH - NAVS STYLE
   ======================================== */

.app-header {
    width: 100%;
    background: var(--background-dark-alt);
    border-bottom: 2px solid var(--accent-gold);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-wrapper {
    max-width: 100%;
    width: 100%;
    margin: 0;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo à gauche */
.header-logo {
    flex-shrink: 0;
}

.header-logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-light-alt);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-image: url('/public/images/icons/navandpilots-blanc.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 300;
    white-space: nowrap;
}

/* Recherche au centre */
.header-search {
    flex: 1;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.header-search input {
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: var(--background-dark);
    border: 1px solid rgba(201, 184, 150, 0.3);
    border-radius: var(--radius-md);
    color: var(--text-light);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all var(--transition-base);
}

.header-search input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 0.25rem rgba(201, 184, 150, 0.15);
}

.header-search input::placeholder {
    color: rgba(232, 220, 200, 0.4);
}

/* ========================================
   LANGUAGE SELECTOR
   ======================================== */

.language-selector {
    position: relative;
    flex-shrink: 0;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--background-dark);
    border: 1px solid rgba(201, 184, 150, 0.3);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    color: var(--text-light);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.lang-btn:hover {
    background: var(--background-dark-alt);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.lang-btn i {
    font-size: 1.1rem;
}

.lang-code {
    letter-spacing: 0.05em;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--background-dark-alt);
    border: 1px solid var(--accent-gold);
    border-radius: var(--radius-md);
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
    overflow: hidden;
}

.language-selector:hover .lang-dropdown,
.lang-btn:focus + .lang-dropdown,
.lang-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    transition: all var(--transition-base);
    border-bottom: 1px solid rgba(201, 184, 150, 0.1);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--background-dark);
    color: var(--accent-gold);
}

.lang-option.active {
    background: rgba(201, 184, 150, 0.1);
    color: var(--accent-gold);
}

.flag-icon {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    min-width: 2rem;
}

.lang-name {
    flex: 1;
    font-size: 0.9rem;
}

.lang-option i {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

/* Menu hamburger */
.hamburger-menu {
    background: none;
    border: 2px solid var(--accent-gold);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
    margin-left: auto;
}

.hamburger-menu:hover {
    background: var(--accent-gold);
}

.hamburger-menu span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--accent-gold);
    transition: all var(--transition-base);
}

.hamburger-menu:hover span {
    background: var(--accent-navy);
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   SIDEBAR MENU - NAVS STYLE
   ======================================== */

.sidebar-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--background-dark-alt);
    border-left: 2px solid var(--accent-gold);
    padding: 2rem;
    z-index: 1100;
    transition: right var(--transition-base);
    overflow-y: auto;
}

.sidebar-menu.active {
    right: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(201, 184, 150, 0.2);
}

.sidebar-header h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    margin: 0;
}

.close-menu {
    background: none;
    border: none;
    color: var(--accent-gold);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.close-menu:hover {
    color: var(--text-light-alt);
    transform: rotate(90deg);
}

.sidebar-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-family: var(--font-sans);
    font-weight: 500;
    transition: all var(--transition-base);
}

.sidebar-links a:hover {
    background: var(--background-dark);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateX(4px);
}

/* ========================================
   MENU OVERLAY
   ======================================== */

.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    z-index: 1050;
    transition: all var(--transition-base);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

body.menu-open {
    overflow: hidden;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .header-wrapper {
        padding: 0 1rem;
        gap: 1rem;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .header-search {
        max-width: none;
    }
}

@media (max-width: 576px) {
    .header-search input {
        font-size: 0.875rem;
        padding: 0.625rem 1rem;
    }

    .logo-text {
        display: none;
    }
}