/* Menu Hamburger */
.menu-toggle {
    position: fixed;
    top: 18px;
    left: 22px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    transition: all 0.25s ease;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: #a1a1aa;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Sidebar Menu */
.sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
    z-index: 999;
    transition: left 0.3s ease;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: 80px 30px 30px;
    border-bottom: 1px solid #333;
}

.sidebar-header h2 {
    color: #ffffff;
    font-size: 1.5rem;
    margin: 0;
}

.sidebar-nav {
    padding: 20px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 15px 30px;
    color: #e0e0e0;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: #ffffff;
    color: #ffffff;
}

.sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: #ffffff;
    color: #ffffff;
    font-weight: bold;
}

.sidebar-nav a span {
    margin-right: 15px;
    font-size: 1.3rem;
}

/* Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Responsywność */
@media (max-width: 768px) {
    .sidebar {
        width: 250px;
        left: -250px;
    }
}