:root {
    --sidebar-bg: #1a1d21;
    --sidebar-hover: #2d3035;
    --sidebar-active: #2d3035;
    --sidebar-text: #e9ecef;
    --sidebar-accent: #3b82f6;
    --sidebar-border: rgba(255, 255, 255, 0.1);
}

#sidebar-container {
    min-height: 100vh;
    background-color: var(--sidebar-bg);
    padding: 0.5rem;
    width: 250px;
    transition: width 0.3s ease;
}

.sidebar-expanded {
    width: 250px !important;
}

.sidebar-collapsed {
    width: 60px !important;
    padding: 0.5rem;
}

/* Menu items */
#sidebar-container .list-group a {
    background-color: var(--sidebar-bg) !important;
    color: var(--sidebar-text);
    width: calc(100% - 3rem);
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    gap: 0.75rem;
    margin: 0.2rem 1.5rem;
    border-radius: 6px;
    border: none !important;
}

#sidebar-container .list-group a:hover {
    background-color: var(--sidebar-hover) !important;
    color: var(--sidebar-accent);
}

#sidebar-container .list-group a.active {
    background-color: var(--sidebar-active) !important;
    color: var(--sidebar-accent) !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

#sidebar-container .list-group a.list-group-item {
    color: var(--sidebar-text) !important;
}

#sidebar-container .list-group .list-group-item,
#sidebar-container .list-group .list-group-item-action {
    background-color: var(--sidebar-bg) !important;
    color: var(--sidebar-text) !important;
}

/* Icons */
.fa-fw {
    margin-right: 1rem !important;
}

#sidebar-container .list-group a .fa,
#sidebar-container .list-group a .fas {
    color: var(--sidebar-text);
    width: 20px;
    text-align: center;
    transition: color 0.2s ease;
}

#sidebar-container .list-group a:hover .fa,
#sidebar-container .list-group a:hover .fas,
#sidebar-container .list-group a.active .fa,
#sidebar-container .list-group a.active .fas {
    color: var(--sidebar-accent);
}

/* Logo */
.logosidebar {
    width: 32px !important;
    height: 32px !important;
    margin: 0.8rem 1rem;
}

/* Version info */
.version-info {
    position: fixed;
    bottom: 60px;
    padding: 0.5rem 1rem;
    color: #6c757d;
    font-size: 0.75rem;
    width: calc(250px - 1rem);
    background-color: var(--sidebar-bg);
    border-top: 1px solid var(--sidebar-border);
}

/* User profile section */
.fixed-bottom {
    width: calc(250px - 1rem);
    background-color: var(--sidebar-hover);
    border-top: 1px solid var(--sidebar-border);
    padding: 0.5rem;
    border-radius: 6px;
    margin: 0 0.5rem;
}

/* Collapse button */
[data-toggle="sidebar-colapse"] {
    color: #6c757d;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--sidebar-border);
}

[data-toggle="sidebar-colapse"]:hover {
    color: var(--sidebar-text);
}

/* Collapsed state */
.sidebar-collapsed .menu-collapsed,
.sidebar-collapsed .version-info span {
    display: none;
}

.sidebar-collapsed .version-info {
    text-align: center;
    padding: 0.5rem 0;
}

.sidebar-collapsed .list-group a {
    width: calc(100% - 1.5rem);
    padding: 0.6rem;
    margin: 0.2rem 0.75rem;
    justify-content: center;
}

/* Separator */
.sidebar-separator {
    display: block;
    height: 2rem;
    width: 100%;
    opacity: 0.2;
    margin: 0;
    border: 0;
}

/* Space between Statistics & FAQ */
.list-group a[href*="statistics"] {
    margin-bottom: 2rem !important;
}

#sidebar-container .list-group .list-group-item-action {
    background-color: var(--sidebar-hover) !important;
    color: var(--sidebar-accent) !important;
}

#sidebar-container .list-group .list-group-item {
    background-color: var(--sidebar-bg) !important;
    color: var(--sidebar-text) !important;
}