:root {
    --sidebar-width: 280px;
    --sidebar-bg: #201F31;
    --sidebar-color: #e9ecef;
    --sidebar-active-bg: #343a40;
    --sidebar-hover-bg: #2c3136;
    --header-bg: #f8f9fa;
    --content-bg: #f5f7fa;
}

body {
    font-family: 'Tajawal', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--content-bg);
    overflow-x: hidden;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: auto;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-color);
    transition: all 0.3s ease;
    z-index: 1050;
    box-shadow: none !important;
    border-right: 1px solid #374151;
    overflow-y: auto;
}

/* RTL Override for Sidebar */
[dir="rtl"] .sidebar {
    left: auto;
    right: 0;
    border-right: none;
    border-left: 1px solid #374151;
}

.sidebar .header-box {
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .header-box h3 {
    color: white;
    font-weight: 700;
    margin-bottom: 0;
}

.sidebar .nav {
    padding: 0;
    list-style: none;
    margin-bottom: 20px;
}

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

.sidebar .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--sidebar-color);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

[dir="rtl"] .sidebar .nav-link {
    border-left: none;
    border-right: 3px solid transparent;
}

.sidebar .nav-link:hover {
    background-color: var(--sidebar-hover-bg);
    color: white;
}

.sidebar .nav-link.active {
    background-color: var(--sidebar-active-bg);
    color: white;
    border-left-color: #0d6efd;
}

[dir="rtl"] .sidebar .nav-link.active {
    border-left-color: transparent;
    border-right-color: #0d6efd;
}

.sidebar .nav-link i {
    margin-right: 10px;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

[dir="rtl"] .sidebar .nav-link i {
    margin-right: 0;
    margin-left: 10px;
}

.sidebar .nav-link .fa-chevron-down {
    margin-left: auto;
    transition: transform 0.3s;
    font-size: 14px;
}

[dir="rtl"] .sidebar .nav-link .fa-chevron-down {
    margin-left: 0;
    margin-right: auto;
}

.sidebar .nav-link[aria-expanded="true"] .fa-chevron-down {
    transform: rotate(180deg);
}

/* Sub-menu styles */
.sidebar .submenu {
    list-style: none;
    padding: 0;
    background-color: rgba(0, 0, 0, 0.15);
    animation: fadeIn 0.3s;
}

.sidebar .submenu .nav-link {
    padding-left: 30px;
}

[dir="rtl"] .sidebar .submenu .nav-link {
    padding-left: 15px;
    padding-right: 30px;
}

.sidebar .submenu .submenu .nav-link {
    padding-left: 45px;
}

[dir="rtl"] .sidebar .submenu .submenu .nav-link {
    padding-left: 15px;
    padding-right: 45px;
}

/* Overlay for mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    display: none;
}

/* Main Content Styles */
.main-content {
    margin-left: var(--sidebar-width);
    transition: all 0.3s;
    min-height: 100vh;
}

[dir="rtl"] .main-content {
    margin-left: 0;
    margin-right: var(--sidebar-width);
}

.header {
    padding: 15px 25px;
    background-color: var(--sidebar-bg);
    box-shadow: none !important;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.content {
    padding: 25px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(calc(-1 * var(--sidebar-width)));
        left: calc(-1 * var(--sidebar-width));
        right: auto;
    }

    [dir="rtl"] .sidebar {
        transform: translateX(var(--sidebar-width));
        right: calc(-1 * var(--sidebar-width));
        left: auto;
    }

    .sidebar.active {
        transform: translateX(0);
        left: 0;
    }

    [dir="rtl"] .sidebar.active {
        transform: translateX(0);
        right: 0;
    }

    .main-content {
        margin-left: 0;
    }

    [dir="rtl"] .main-content {
        margin-right: 0;
    }

    .sidebar-collapse-btn {
        display: block !important;
    }

    .sidebar-overlay.active {
        display: block;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scrollbar styling */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-track {
    background-color: transparent;
}