body, html {
    overflow: auto !important;
}

.dashboard {
    min-height: 100vh;
}

.top-panel {
    height: 76px;
    background: linear-gradient(to bottom, #000000, #0e0e0e);
    display: flex;
    align-items: end;
    justify-content: center;
    position: relative;
    padding: 30px;
    z-index: 1000;
    filter: drop-shadow(0 0 30px rgba(0, 0, 0, 1));
}

.top-panel h1 {
    font-size: 3rem;
    font-weight: 300;
    color: #f0f0f0;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.main-content {
    display: flex;
    min-height: calc(100vh - 200px);
    position: relative;
}

.sidebar-toggle {
    position: absolute;
    left: 220px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 60px;
    background-color: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1001;
    border: 1px solid #111;
    border-left: none;
    border-radius: 0 4px 4px 0;
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    background-color: #111;
}

.sidebar-toggle i {
    color: #f0f0f0;
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.sidebar-toggle i {
    transform: rotate(0deg);
}

.sidebar.collapsed + .sidebar-toggle i {
    transform: rotate(180deg);
}

.sidebar {
    width: 220px;
    background-color: #0e0e0e;
    border-right: 1px solid #111;
    transform: translateX(0);
    transition: all 0.3s ease;
    z-index: 999;
    height: calc(100vh - 76px);
    position: relative;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    filter: drop-shadow(0 0 30px rgba(0, 0, 0, 1));
}

.sidebar.collapsed {
    transform: translateX(-220px);
    width: 0;
}

.sidebar.collapsed + .sidebar-toggle {
    left: 0;
}

.content-area {
    flex: 1;
    padding-left: 20px;
    padding-right: 20px;
    background-color: #000;
    transition: all 0.3s ease;
    height: calc(100vh - 76px);
    width: calc(100% - 220px);
    margin: 0;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed ~ .content-area {
    width: 100%;
    margin-left: 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-item {
    border-bottom: 1px solid #111;
}

.menu-header {
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
}

.menu-header:hover {
    background-color: #111;
}

.menu-header:hover::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: #f0f0f0;
}

.menu-header span {
    display: flex;
    align-items: center;
    gap: 10px;
}

.menu-header .arrow {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.menu-header.active .arrow {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #0a0a0a;
    padding: 0;
    margin: 0;
}

.submenu.expanded {
    max-height: 300px;
}

.submenu-item {
    padding: 12px 20px 12px 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid rgb(41, 41, 41);
}

.submenu-item:hover {
    background-color: #111;
    border-left-color: #f0f0f0;
    text-decoration: underline;
}

.submenu-item.active {
    background-color: #111;
    border-left-color: #f0f0f0;
}

.single-item .menu-header .arrow {
    display: none;
}

.content-item {
    display: none;
    animation: fadeIn 0.5s ease;
}

.content-item.active {
    display: block;
}

.content-item h2 {
    font-size: 4rem;
    margin-bottom: 20px;
    margin-top: 20px;
    color: #f0f0f0;
    font-weight: 300;
    position: relative;
    z-index: 10;
}

.content-item p {
    line-height: 1.6;
    color: #e7e7e7;
    z-index: 10;
    position: relative;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .top-panel {
        height: 60px;
        padding: 4px 15px;
        align-items: center;
        background: linear-gradient(to bottom, #0e0e0e, #0e0e0e);
        justify-content: start;
        position: sticky;
        top: 0;
    }

    .top-panel h1 {
        font-size: 22px;
    }

    .sidebar {
        position: fixed;
        height: calc(100vh - 60px);
        z-index: 998;
        width: 280px;
        top: 60px;
        transform: translateX(-280px);
    }
    
    .sidebar:not(.collapsed) {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        position: fixed;
        left: 280px;
        top: 50%;
        z-index: 1001;
        transition: left 0.3s ease;
    }
    
    .sidebar.collapsed {
        transform: translateX(-280px);
    }
    
    .sidebar:not(.collapsed) + .sidebar-toggle {
        left: 280px;
    }
    
    .sidebar.collapsed + .sidebar-toggle {
        left: 0;
    }
    
    .content-area {
        transition: none;
    }

    .content-item h2 {
        font-size: 2.6rem;
    }

    .content-item i {
        font-size: 2.6rem;
    }
}

@media (max-width: 480px) {
    .main-content {
        min-height: calc(100vh - 200px);
    }
    
    .content-item h2 {
        font-size: 1.5rem;
    }

    .content-item i {
        font-size: 1.5rem;
    }
}

.sidebar-menu .menu-item {
    position: relative;
}

.submenu {
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.submenu.expanded {
    opacity: 1;
}

@media (max-width: 768px) {
    .sidebar:not(.collapsed) {
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    }
}

.dashboard.loading * {
    transition: none !important;
}

.sidebar-search {
    padding: 12px 15px;
    background-color: #0a0a0a;
    border-bottom: 1px solid #111;
    border-top: 1px solid #111;
    border-radius: 8px;
}

.sidebar-search input {
    width: 100%;
    padding: 8px 12px;
    background-color: #111;
    border: 1px solid #222;
    border-radius: 4px;
    color: #f0f0f0;
    font-size: 0.9rem;
    outline: none;
    transition: border 0.3s ease, background 0.3s ease;
}

.sidebar-search input::placeholder {
    color: #888;
}

.sidebar-search input:focus {
    border-color: #444;
    background-color: #0e0e0e;
}

.back-to-dashboard {
    cursor: pointer;
    margin-right: 6px;
    color: #f0f0f0;
    font-size: 3.3rem;
    transition: color 0.2s ease;
}

.back-to-dashboard:hover {
    color: #ffffff;
}

.spacer {
    height: 50px;
    width: auto;
}