/* Бургер-меню */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 3000;
    width: 44px;
    height: 44px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(194, 31, 31, 0.1);
    justify-content: center;
    align-items: center;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    transition: background 0.2s;
}
.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 3px;
    background: #252525;
    border-radius: 2px;
    transition: 0.3s;
    visibility: visible !important;
    opacity: 1 !important;
}
.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}
@media (max-width: 1200px) {
    .mobile-menu-btn {
        display: flex;
    }
    #sidebar-container {
        display: none !important;
    }
}

/* Мобільне меню */
.mobile-sidebar {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35);
    z-index: 2999;
    justify-content: flex-start;
    align-items: stretch;
    transition: background 0.3s;
}
.mobile-sidebar.active {
    display: flex;
}
/* Мобільне меню: сучасна світла гама */
.mobile-sidebar-content {
    background: #283c5a; /* фон */
    overflow-y: auto;
    max-height: 100vh;
}
.mobile-sidebar .sidebar-nav ul {
    padding: 0;
    margin: 0 7px;
}
.mobile-sidebar .sidebar-nav li {
    color: #c7c5c5;
    background: #cacace; /* кнопки меню */
    border-radius: 6px;
    margin-bottom: 2px;
    transition: background 0.2s, color 0.2s;
}
.mobile-sidebar .sidebar-nav li > a {
    color: #222 !important; /* колір тексту */
    background: none;
    display: block;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 1.05em;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}
.mobile-sidebar .sidebar-nav li > a:hover,
.mobile-sidebar .sidebar-nav li.open > a {
    background: #e9eef5;
    color: #222 !important;
}
.mobile-sidebar .sidebar-nav ul.submenu li > a {
    padding-left: 32px;
    font-size: 0.98em;
    color: #222 !important;
    background: none;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}
.mobile-sidebar .sidebar-nav ul.submenu li > a:hover {
    background: #f3f6fb;
    color: #222 !important;
}
.mobile-sidebar .sidebar-nav li.sidebar-special > a {
    color: #fff !important;
    background: #5081b1; /* кнопки меню */
    font-weight: 600;
}
.mobile-sidebar .sidebar-nav li.sidebar-special > a:hover {
    background: #00152b;
    color: #fff !important;
}
@keyframes slideInSidebar {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}
.mobile-sidebar-close {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
    z-index: 10;
}

/* Мобільне меню: згортання/розгортання підменю */
.mobile-sidebar .sidebar-nav ul ul.submenu {
    display: none;
    transition: max-height 0.3s;
}
.mobile-sidebar .sidebar-nav li.open > ul.submenu {
    display: block;
}
.mobile-sidebar .sidebar-nav li.has-submenu > a {
    position: relative;
    padding-right: 24px;
}
.mobile-sidebar .sidebar-nav li.has-submenu > a:after {
    content: '\25BC';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%) scaleY(1);
    font-size: 0.7em;
    transition: transform 0.2s;
}
.mobile-sidebar .sidebar-nav li.open > a:after {
    transform: translateY(-50%) scaleY(-1);
}