/* ============================================================
   Navbar — css/components/navbar.css
   ============================================================ */

#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-height, 70px);
    z-index: 1000;
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    border-bottom: 1px solid transparent;
}

#navbar.nav-scrolled {
    background: color-mix(in srgb, var(--bg-dark) 94%, transparent);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom-color: var(--border-color);
    box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

/* Ligne gradient sous navbar au scroll */
#navbar::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-primary) 30%,
        var(--color-secondary) 70%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

#navbar.nav-scrolled::after { opacity: 0.7; }

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* ── Logo ─────────────────────────────────────────────── */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo-mark {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -1px;
    line-height: 1;
}

.nav-logo-divider {
    width: 1px;
    height: 28px;
    background: var(--border-color);
    flex-shrink: 0;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.nav-logo-name {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.nav-logo-sub {
    font-size: 0.68rem;
    color: var(--text-secondary);
    white-space: nowrap;
    letter-spacing: 0.2px;
}

/* ── Liens desktop ────────────────────────────────────── */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.86rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: var(--radius-sm, 6px);
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: var(--font-body, inherit);
    transition: all 0.2s ease;
    white-space: nowrap;
    position: relative;
}

.nav-link > i:first-child {
    font-size: 0.76rem;
    opacity: 0.65;
    transition: opacity 0.2s;
}

.nav-link:hover,
.nav-link.nav-active,
.nav-dropdown.dd-has-active > .nav-dropdown-btn {
    color: var(--color-primary);
    background: rgba(255,255,255,0.05);
}

.nav-link:hover > i:first-child,
.nav-link.nav-active > i:first-child {
    opacity: 1;
}

/* Trait actif */
.nav-link.nav-active::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-primary);
}

/* ── Chevron partagé ──────────────────────────────────── */
.nav-chevron {
    font-size: 0.58rem !important;
    opacity: 0.45 !important;
    transition: transform 0.25s ease !important;
    margin-left: 2px;
}

.nav-dropdown.dd-open  > .nav-dropdown-btn .nav-chevron,
.nav-dropdown:hover    > .nav-dropdown-btn .nav-chevron,
.nav-theme-dropdown.tm-active .nav-chevron {
    transform: rotate(180deg);
    opacity: 0.85 !important;
}

/* ── Dropdown nav (À propos / Domaines) ──────────────── */
.nav-dropdown { position: relative; }

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    width: 220px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md, 12px);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    z-index: 200;
}

/* Petite flèche */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px; height: 10px;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
}

.nav-dropdown.dd-open .nav-dropdown-menu,
.nav-dropdown:hover   .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.84rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s ease;
}

.nav-dropdown-menu a i {
    font-size: 0.75rem;
    width: 14px;
    text-align: center;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: color 0.15s;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.nav-active {
    color: var(--color-primary);
    background: rgba(255,255,255,0.05);
}

.nav-dropdown-menu a:hover i { color: var(--color-primary); }

/* ── Actions droite ───────────────────────────────────── */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Masqué par défaut sur desktop */
.nav-mobile-langs { display: none; }

/* ── Boutons langue ───────────────────────────────────── */
.nav-langs {
    display: flex;
    gap: 2px;
}

.nav-lang-btn {
    width: 32px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    border-radius: var(--radius-sm, 6px);
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
    position: relative;
}

.nav-lang-btn:hover {
    border-color: var(--border-color);
    background: rgba(255,255,255,0.06);
}

.nav-lang-btn.active {
    border-color: var(--color-primary);
    background: rgba(255,255,255,0.08);
}

/* Petit point sous le flag actif */
.nav-lang-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--color-primary);
}

/* ── Menu déroulant THÈMES ────────────────────────────── */
.nav-theme-dropdown {
    position: relative;
}

.nav-theme-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 12px;
    border-radius: var(--radius-sm, 6px);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.82rem;
    font-family: var(--font-body, inherit);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-theme-trigger:hover,
.nav-theme-dropdown.tm-active .nav-theme-trigger {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(255,255,255,0.05);
}

.nav-theme-trigger > i:first-child {
    font-size: 0.78rem;
}

.theme-current-emoji {
    font-size: 0.95rem;
    line-height: 1;
}

/* Le menu lui-même */
.nav-theme-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md, 12px);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: all 0.22s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 16px 48px rgba(0,0,0,0.55);
    z-index: 300;
}

/* Petite flèche */
.nav-theme-menu::before {
    content: '';
    position: absolute;
    top: -5px;
    right: 20px;
    transform: rotate(45deg);
    width: 10px; height: 10px;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
}

.nav-theme-menu.tm-open {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateY(0);
}

/* En-tête du menu thème */
.theme-menu-header {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 6px 10px 10px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 6px;
}

.theme-menu-header i {
    color: var(--color-primary);
    font-size: 0.72rem;
}

/* Options de thème */
.theme-options {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    border-radius: var(--radius-sm, 6px);
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: var(--font-body, inherit);
    transition: all 0.15s ease;
    text-align: left;
}

.theme-option:hover {
    background: rgba(255,255,255,0.06);
}

.theme-option.t-active {
    background: rgba(255,255,255,0.06);
    border-left: 2px solid var(--color-primary);
    padding-left: 10px;
}

.theme-opt-emoji {
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
}

.theme-opt-label {
    font-size: 0.84rem;
    color: var(--text-secondary);
    flex: 1;
    transition: color 0.15s;
}

.theme-option:hover .theme-opt-label,
.theme-option.t-active .theme-opt-label {
    color: var(--color-primary);
}

.theme-opt-check {
    font-size: 0.68rem;
    color: var(--color-primary);
    opacity: 0;
    transition: opacity 0.15s;
    flex-shrink: 0;
}

.theme-option.t-active .theme-opt-check { opacity: 1; }

/* ── Hamburger ────────────────────────────────────────── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm, 6px);
    border: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: border-color 0.2s;
}

.nav-hamburger:hover { border-color: var(--color-primary); }

.ham-line {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-secondary);
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-hamburger.is-open .ham-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--color-primary);
}
.nav-hamburger.is-open .ham-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav-hamburger.is-open .ham-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--color-primary);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .nav-logo-text { display: none; }
    .nav-logo-divider { display: none; }
}

@media (max-width: 900px) {
    .nav-hamburger { display: flex; }
    .nav-langs { display: none; }

    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        position: fixed;
        top: var(--navbar-height, 70px);
        left: 0; right: 0;
        background: color-mix(in srgb, var(--bg-card) 98%, transparent);
        backdrop-filter: blur(20px);
        padding: 10px;
        gap: 2px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 12px 40px rgba(0,0,0,0.5);
        z-index: 999;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: max-height 0.38s ease, opacity 0.28s ease;
    }

    .nav-links.nav-open {
        max-height: 80vh;
        overflow-y: auto;
        opacity: 1;
        pointer-events: all;
    }

    .nav-link { padding: 11px 16px; width: 100%; justify-content: flex-start; }

    .nav-dropdown { width: 100%; }
    .nav-dropdown-btn { width: 100%; justify-content: flex-start; }

    .nav-dropdown-menu {
        position: static;
        opacity: 1 !important;
        transform: none !important;
        box-shadow: none;
        border: none;
        border-left: 2px solid var(--border-color);
        border-radius: 0;
        background: transparent;
        padding-left: 16px;
        max-height: 0;
        overflow: hidden;
        visibility: hidden;
        pointer-events: none;
        transition: max-height 0.3s ease;
    }
    .nav-dropdown-menu::before { display: none; }

    .nav-dropdown.dd-open .nav-dropdown-menu {
        max-height: 400px;
        visibility: visible;
        pointer-events: all;
    }

    /* Grille de langues spécifique au menu mobile */
    .nav-mobile-langs {
        display: block;
        margin-top: 24px;
        padding: 20px 10px 10px;
        border-top: 1px solid var(--border-color);
    }

    .mobile-lang-title {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.72rem;
        font-weight: 700;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 1.2px;
        margin-bottom: 12px;
    }

    .mobile-lang-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .mobile-lang-grid .nav-lang-btn {
        width: 100%;
        height: 44px;
        border: 1px solid var(--border-color);
        background: rgba(255,255,255,0.03);
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .nav-inner { padding: 0 16px; }
    .nav-logo-mark { font-size: 1.25rem; }
    .nav-theme-trigger .theme-current-emoji { display: none; }
}