/* ============================================================
   PADINO - Header du thème « black »
   Chargé après style-black.css (home, pages compte) et seul sur
   les pages de doc mkdocs (cf. pages/_docs_header.html), d'où
   l'absence de règles globales ici. Variables : cf. style-black.css.
   ============================================================ */

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(18,20,23,0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.10);
}

.header-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { height: 22px; width: auto; filter: invert(1); }
.logo-text {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--on-ink);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.main-nav a {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #a8aeb5;
}
.main-nav a:hover { color: var(--on-ink); }
.main-nav a[aria-current="page"] { color: var(--on-ink); }

.main-nav .nav-pdf,
.main-nav .nav-account {
    display: inline-flex;
    align-items: center;
    padding: 9px 16px;
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 6px;
    color: var(--on-ink);
    font: inherit;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: none;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}
.main-nav .nav-pdf:hover,
.main-nav .nav-account:hover { border-color: var(--silver); color: var(--silver); }

.nav-user { display: inline-flex; align-items: center; gap: 12px; }
.nav-logout-form { margin: 0; }
.nav-hello { color: var(--on-ink-dim); }

.lang-switch {
    margin-left: auto;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--on-ink-dim);
}
.lang-switch:hover { color: var(--on-ink); }

.nav-toggle { display: none; }

.nav-burger {
    display: none;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    flex-shrink: 0;
}
.nav-burger span {
    width: 22px;
    height: 2px;
    background: var(--on-ink);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Entre le burger et le grand écran : espacements resserrés pour garder
   le menu sur une ligne (ex. tablette paysage 1024px, non connecté). */
@media (max-width: 1100px) {
    .header-inner { gap: 24px; }
    .main-nav { gap: 18px; }
}

@media (max-width: 900px) {
    .header-inner { position: relative; flex-wrap: nowrap; }
    .nav-burger { display: flex; order: 3; margin-left: 16px; }
    .lang-switch { order: 2; }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        background: var(--ink);
        border-bottom: 1px solid rgba(255,255,255,0.10);
        padding: 8px 32px 24px;
    }
    .nav-toggle:checked ~ .main-nav { display: flex; }
    .main-nav .nav-pdf,
    .main-nav .nav-account,
    .nav-user { margin-top: 8px; }
}

@media (max-width: 560px) {
    .main-nav { padding-left: 20px; padding-right: 20px; }
}