.header{position:sticky;top:0;z-index:100;min-height:var(--header-height);padding:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.header.landing-page-header{position:absolute;top:0;left:0;width:100%;background:transparent;border-bottom-color:transparent;box-shadow:none}.header .container .row{min-height:var(--header-height);justify-content:space-between;align-items:center;gap:16px}.header .container .row .logo{max-width:220px;display:inline-flex;align-items:center;position:relative;z-index:2;flex-shrink:0}.header .container .row .logo img{width:100%;max-height:40px;height:auto;-o-object-fit:contain;object-fit:contain}.header .container .row .nav{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.header .container .row .nav .nav-list{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-sm);pointer-events:auto}.header .container .row .nav .nav-list .nav-item{display:inline-flex}.header .container .row .nav .nav-list .nav-item .menu{display:inline-flex;align-items:center;min-height:36px;padding:8px 16px;font:var(--font-body-medium);color:var(--color-text);border-radius:var(--radius-sm);border:1px solid transparent;transition:background .15s ease,color .15s ease,border-color .15s ease}.header .container .row .nav .nav-list .nav-item .menu.active{background:var(--color-primary);color:#fff;box-shadow:none;border-color:transparent}.header .container .row .nav .nav-list .nav-item .menu:not(.active):hover{background:var(--color-row-header);border-color:var(--color-border)}.header .container .row .additional-nav{display:flex;align-items:center;gap:12px;position:relative;z-index:2}.header .container .row .additional-nav .qr-code .icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:6px;border-radius:var(--radius-sm);background:var(--color-primary);box-shadow:var(--shadow-sm);transition:background .15s ease}.header .container .row .additional-nav .qr-code .icon:hover{background:var(--color-primary-hover)}.header .container .row .additional-nav .lang{position:relative}.header .container .row .additional-nav .lang.active p{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.header .container .row .additional-nav .lang.active .lang-list{opacity:1;visibility:visible;transform:translateY(0)}.header .container .row .additional-nav .lang p{display:inline-flex;align-items:center;justify-content:center;min-width:36px;min-height:36px;padding:6px 8px;font:var(--font-body-medium);font-size:13px;color:var(--color-text);text-transform:uppercase;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:background .15s ease,color .15s ease,border-color .15s ease}.header .container .row .additional-nav .lang .lang-list{position:absolute;top:calc(100% + 4px);left:0;min-width:100%;padding:4px;display:flex;flex-direction:column;gap:2px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s ease,transform .15s ease,visibility .15s ease}.header .container .row .additional-nav .lang .lang-list a{display:flex;align-items:center;justify-content:center;min-height:32px;padding:4px 8px;font:var(--font-body-medium);font-size:13px;text-transform:uppercase;color:var(--color-text);border-radius:var(--radius-sm);transition:background .15s ease}.header .container .row .additional-nav .lang .lang-list a.active,.header .container .row .additional-nav .lang .lang-list a:hover{background:var(--color-primary-soft);color:var(--color-primary)}.header .container .row .additional-nav .lang .lang-list a.active{background:var(--color-primary);color:#fff}.header .container .row .additional-nav .user{display:flex;align-items:center;gap:12px}.header .container .row .additional-nav .user .full-name{font:var(--font-body-medium);font-size:15px;font-weight:600;color:var(--color-text);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header .container .row .additional-nav .user .user-img .img{width:40px;height:40px;border-radius:var(--radius-full);border:2px solid var(--color-border);background:var(--color-row-bg);overflow:hidden}.header .container .row .additional-nav .user .user-img .img img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.header .container .row .additional-nav .burger-menu{display:none;align-items:center;justify-content:center;width:var(--touch-min);height:var(--touch-min);padding:8px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);cursor:pointer;transition:border-color .15s ease}.header .container .row .additional-nav .burger-menu:hover{border-color:var(--color-primary)}@media(max-width:768px){.header .container .row .additional-nav .user,.header .container .row .nav{display:none}.header .container .row .additional-nav .burger-menu{display:inline-flex}}@media(max-width:900px){.header .container .row .logo{max-width:160px}.header .container .row .additional-nav .user .full-name{display:none}}