/* Header */
.header{
    margin-top: 14px;
    padding: 14px 18px;

    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 16px;

    background: rgba(255,255,255,.78);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226,232,240,.85);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);

    position: sticky;
    top: 14px;
    z-index: 50;
}

.brand{
    display:flex;
    align-items:center;
    gap: 0;
    flex: 0 0 auto;
}

.brand__logo{
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: var(--surface);
    border: 1px solid var(--stroke);
    box-shadow: 0 8px 18px rgba(15,23,42,.08);
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
}

.brand__logo img{
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.brand__text{ display:flex; gap:6px; align-items:baseline; }
.brand__title{
    font-weight: 950;
    font-size: 20px;
    letter-spacing: -0.01em;
    color: var(--orange);
}
.brand__sub{
    font-weight: 900;
    font-size: 18px;
    color: var(--blue2);
}

.nav{
    display:flex;
    gap: 8px;
    align-items:center;
}
.nav__link{
    padding: 10px 12px;
    border-radius: 12px;
    font-weight: 750;
    color: var(--muted);
    transition: background .15s ease, color .15s ease, transform .15s ease;
}
.nav__link:hover{
    background: var(--blue-soft);
    color: var(--blue2);
}
.nav__link:focus-visible{
    outline:none;
    box-shadow: var(--focus);
}

.header__actions{
    display:flex;
    align-items:center;
    gap: 12px;
}

.header__admin-link {
    background: #fff;
    color: var(--blue);
}

.header__cabinet-icon {
    margin-right: 6px;
}

.header__logout-form {
    display: inline-flex;
    margin: 0;
}

.header-lang-menu {
    position: relative;
}

.header-lang-menu summary {
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.header-lang-menu summary::-webkit-details-marker {
    display: none;
}

.header-lang-menu[open] summary i {
    transform: rotate(180deg);
}

.header-lang-menu summary i {
    font-size: 12px;
    transition: transform 0.2s ease;
}

.header-lang-menu__list {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 88px;
    padding: 8px;
    border-radius: 16px;
    border: 1px solid #DBEAFE;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    display: grid;
    gap: 6px;
    z-index: 30;
}

.header-lang-menu__item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 12px;
    border-radius: 12px;
    color: #1E293B;
    text-decoration: none;
    font-weight: 700;
}

.header-lang-menu__item:hover {
    background: #F8FAFC;
}

.header-lang-menu__item--active {
    background: #DBEAFE;
    color: #1D4ED8;
}

.header__burger{
    display:none;
    width:44px;
    height:44px;
    padding:0;
    border:none;
    border-radius:14px;
    background: var(--surface-soft);
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:5px;
    cursor:pointer;
}

.header__burger span{
    width:18px;
    height:2px;
    border-radius:999px;
    background: var(--text);
    transition: transform .2s ease, opacity .2s ease;
}

.mobile-menu-backdrop{
    position:fixed;
    inset:0;
    background: rgba(15,23,42,.42);
    backdrop-filter: blur(3px);
    z-index: 79;
}

.mobile-menu{
    position:fixed;
    top:0;
    right:0;
    width:min(86vw, 360px);
    height:100vh;
    padding:20px 18px 24px;
    background:#fff;
    box-shadow: -20px 0 40px rgba(15,23,42,.18);
    z-index:80;
    transform: translateX(100%);
    transition: transform .24s ease;
    display:flex;
    flex-direction:column;
    gap:20px;
}

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

.mobile-menu__head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
}

.mobile-menu__brand{
    display:flex;
    align-items:center;
    gap:12px;
}

.mobile-menu__brand-text{
    display:flex;
    gap:6px;
    align-items:baseline;
}

.mobile-menu__close{
    width:42px;
    height:42px;
    border:none;
    border-radius:14px;
    background: var(--surface-soft);
    color: var(--text);
    cursor:pointer;
}

.mobile-menu__nav{
    display:flex;
    flex-direction:column;
    gap:8px;
}

.mobile-menu__link{
    display:block;
    padding:14px 16px;
    border-radius:14px;
    background: var(--surface-soft);
    color: var(--text);
    font-weight:800;
}

.mobile-menu__actions{
    margin-top:auto;
    display:flex;
    flex-direction:column;
    gap:10px;
}

.mobile-menu__lang-list {
    display: grid;
    gap: 8px;
}

.mobile-menu__lang{
    display:block;
    padding:12px 14px;
    border-radius:14px;
    background:#F8FAFC;
    border:1px solid var(--stroke);
    color:var(--muted);
    font-weight:700;
    text-align:center;
}

.mobile-menu__lang--active {
    background: #EFF6FF;
    border-color: #BFDBFE;
    color: #1D4ED8;
}

.mobile-menu__button{
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:0 16px;
    border-radius:14px;
    font-weight:800;
    text-decoration:none;
}

.mobile-menu__button--primary{
    background: var(--orange);
    color:#fff;
}

.mobile-menu__button--secondary{
    background:#EFF6FF;
    color:var(--blue2);
    border:1px solid #BFDBFE;
}

.mobile-menu__logout-form {
    margin: 0;
}

.mobile-menu__logout-button {
    width: 100%;
    border: 0;
}

body.mobile-menu-open{
    overflow:hidden;
}

@media (max-width: 900px) {
    .nav,
    .header__actions{
        display:none;
    }

    .header__burger{
        display:flex;
    }

    .header{
        padding:12px 14px;
    }

    .brand__logo{
        width:40px;
        height:40px;
    }

    .brand__title{
        font-size:18px;
    }

    .brand__sub{
        font-size:16px;
    }
}