.expanding-category-menu {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99999;
}

.menu-trigger {
    width: 50px;
    height: 50px;
    background: #FF6B35;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    z-index: 100001;
}

.menu-trigger:hover {
    background: #FF5722;
}

.menu-icon {
    display: flex;
    flex-direction: column;
    gap: 4px;
    pointer-events: none;
}

.menu-icon span {
    width: 24px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-container {
    display: flex;
    background: white;
    border-radius: 0 12px 12px 0;
    box-shadow: 2px 0 20px rgba(0,0,0,0.1);
    overflow: hidden;
    height: 720px;
    max-height: 85vh;
    position: relative;
    z-index: 100000;
}

.menu-icons {
    width: 50px;
    background: #003D5C;
    display: flex;
    flex-direction: column;
    padding: 10px 0;
    overflow-y: auto;
    scrollbar-width: none;
    box-sizing: border-box;
}

.menu-icons::-webkit-scrollbar {
    display: none;
}

.menu-icon-item {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
    color: inherit;
}

.menu-icon-item:hover,
.menu-icon-item:focus {
    outline: none;
    text-decoration: none;
}

.menu-icon-item i {
    font-size: 20px;
    color: white;
    transition: all 0.3s ease;
}

.menu-icon-item img.menu-icon-img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.menu-icon-item:hover,
.menu-icon-item.active {
    background: rgba(255, 255, 255, 0.1);
}

.menu-icon-item:hover i,
.menu-icon-item.active i {
    transform: scale(1.2);
    color: #FF6B35;
}

.menu-icon-item:hover img.menu-icon-img,
.menu-icon-item.active img.menu-icon-img {
    transform: scale(1.2);
}

.menu-panel {
    width: 0;
    opacity: 0;
    overflow: hidden;
    overflow-y: auto;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    background: white;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
    padding: 10px 0;
    box-sizing: border-box;
}

.menu-panel::-webkit-scrollbar {
    width: 6px;
}

.menu-panel::-webkit-scrollbar-track {
    background: transparent;
}

.menu-panel::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 3px;
}

.expanding-category-menu:hover .menu-panel {
    width: 250px;
    opacity: 1;
}

.menu-panel-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-size: 14px;
    font-weight: 500;
    flex-shrink: 0;
}

.menu-panel-item span {
    flex: 1;
}

.menu-panel-item .fa-chevron-right {
    margin-left: auto;
    font-size: 12px;
    color: #999;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.menu-panel-item:hover {
    background: #F5F5F5;
    border-left-color: #FF6B35;
    padding-left: 24px;
}

.menu-panel-item:hover .fa-chevron-right {
    opacity: 1;
    transform: translateX(0);
}

/* Animacja wejścia elementów */
.expanding-category-menu:hover .menu-panel-item {
    animation: slideIn 0.3s ease forwards;
    opacity: 0;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.expanding-category-menu:hover .menu-panel-item:nth-child(1) { animation-delay: 0.05s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(2) { animation-delay: 0.1s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(3) { animation-delay: 0.15s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(4) { animation-delay: 0.2s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(5) { animation-delay: 0.25s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(6) { animation-delay: 0.3s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(7) { animation-delay: 0.35s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(8) { animation-delay: 0.4s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(9) { animation-delay: 0.45s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(10) { animation-delay: 0.5s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(11) { animation-delay: 0.55s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(12) { animation-delay: 0.6s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(13) { animation-delay: 0.65s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(14) { animation-delay: 0.7s; }
.expanding-category-menu:hover .menu-panel-item:nth-child(15) { animation-delay: 0.75s; }

/* Responsywność */
@media (max-width: 768px) {
    .expanding-category-menu {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        margin: 20px 0;
    }
    
    .menu-container {
        border-radius: 12px;
        min-height: auto;
    }
    
    .menu-icons {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        padding: 10px;
    }
    
    .expanding-category-menu:hover .menu-panel {
        width: 100%;
    }
}

/* Submenu Panel */
.menu-submenu-panel {
    width: 0;
    opacity: 0;
    overflow: hidden;
    overflow-y: auto;
    background: #f9f9f9;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid #e0e0e0;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
    box-sizing: border-box;
}

.menu-submenu-panel::-webkit-scrollbar {
    width: 6px;
}

.menu-submenu-panel::-webkit-scrollbar-track {
    background: transparent;
}

.menu-submenu-panel::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 3px;
}

.menu-submenu-panel.active {
    width: 220px;
    opacity: 1;
    padding: 10px 0;
}

.submenu-content {
    display: none;
}

.submenu-content.active {
    display: block;
    animation: fadeInSubmenu 0.3s ease;
}

@keyframes fadeInSubmenu {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.submenu-header {
    padding: 15px 20px;
    font-weight: 600;
    font-size: 15px;
    color: #1d2327;
    border-bottom: 2px solid #e0e0e0;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.submenu-header i {
    color: #FF6B35;
}

.submenu-items {
    display: flex;
    flex-direction: column;
}

.submenu-item {
    padding: 12px 20px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    display: block;
}

.submenu-item:hover {
    background: white;
    border-left-color: #FF6B35;
    padding-left: 24px;
    color: #FF6B35;
}

/* Trzeci i kolejne poziomy menu - automatyczne wcięcia */
.submenu-item-group {
    margin: 5px 0;
}

.submenu-item-parent {
    padding: 12px 20px;
    font-weight: 500;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    background: transparent;
    border-radius: 4px;
    margin-bottom: 2px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.submenu-item-parent:hover {
    background: white;
    border-left-color: #FF6B35;
    padding-left: 24px;
}

.submenu-item-parent a {
    color: inherit;
    text-decoration: none;
    flex: 1;
}

.submenu-item-parent:hover a {
    color: #FF6B35;
}

.submenu-item-parent i {
    color: #999;
    font-size: 10px;
    transition: all 0.3s ease;
}

.submenu-item-parent:hover i {
    color: #FF6B35;
}

.submenu-item-nested {
    padding-left: 15px;
}

/* Automatyczne style dla wszystkich poziomów */
.submenu-level-2 {
    /* Poziom 2 - domyślny */
}

.submenu-level-3 {
    padding-left: 15px;
}

.submenu-level-4 {
    padding-left: 30px;
}

.submenu-level-5 {
    padding-left: 45px;
}

.submenu-level-6 {
    padding-left: 60px;
}

.submenu-level-7 {
    padding-left: 75px;
}

.submenu-level-8 {
    padding-left: 90px;
}

.submenu-level-9 {
    padding-left: 105px;
}

.submenu-level-10 {
    padding-left: 120px;
}

/* Elementy z ikoną strzałki (poziom 3+) */
.submenu-item.submenu-level-3,
.submenu-item.submenu-level-4,
.submenu-item.submenu-level-5,
.submenu-item.submenu-level-6,
.submenu-item.submenu-level-7,
.submenu-item.submenu-level-8,
.submenu-item.submenu-level-9,
.submenu-item.submenu-level-10 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.submenu-item i {
    font-size: 10px;
    color: #999;
    flex-shrink: 0;
}

.submenu-item:hover i {
    color: #FF6B35;
}

.menu-icon-item::after {
    content: '';
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: #FF6B35;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-icon-item:hover::after {
    opacity: 1;
}