/* Sidebar Styles */
:root {
    --sidebar-width: 200px;
    --sidebar-collapsed-width: 40px;
    --sidebar-bg: #1a1a1a;
    --sidebar-text: #ffffff;
    --sidebar-text-secondary: #cccccc;
    --sidebar-border: #333;
    --sidebar-hover: #2a2a2a;
    --sidebar-active: #3a3a3a;
    --topbar-height: 60px;
}

/* Override Bootstrap and other styles */
body.has-sidebar {
    margin: 0 !important;
    padding: 0 !important;
}

/* Hide the regular navbar when sidebar is active */
body.has-sidebar .navbar {
    display: none !important;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

/* Sidebar */
.sidebar {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: var(--sidebar-width) !important;
    height: 100vh !important;
    background-color: var(--sidebar-bg) !important;
    color: var(--sidebar-text) !important;
    display: flex !important;
    flex-direction: column !important;
    transition: width 0.3s ease !important;
    z-index: 1050 !important;
    border-right: 1px solid var(--sidebar-border) !important;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1) !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif !important;
}

.sidebar * {
    color: #ffffff !important;
}

.sidebar .item-text {
    color: #ffffff !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.sidebar .sidebar-brand {
    color: #ffffff !important;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--sidebar-border);
    min-height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand {
    display: flex !important;
    align-items: center !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    color: var(--sidebar-text) !important;
}

.sidebar.collapsed .brand-text {
    color: var(--sidebar-text) !important;
    display: none;
}

.sidebar-content {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-label {
    padding: 8px 20px !important;
    font-size: 12px !important;
    color: var(--sidebar-text-secondary) !important;
    text-transform: uppercase !important;
    font-weight: 500 !important;
    letter-spacing: 0.5px !important;
}

.sidebar.collapsed .sidebar-label {
    display: none;
}

.sidebar-item {
    display: flex !important;
    align-items: center !important;
    padding: 12px 20px !important;
    cursor: pointer !important;
    transition: background-color 0.2s ease !important;
    border-radius: 8px !important;
    margin: 0 12px !important;
    position: relative !important;
    color: var(--sidebar-text) !important;
}

.sidebar-item:hover {
    background-color: var(--sidebar-hover);
}

.sidebar-item.active {
    background-color: var(--sidebar-active);
}

.sidebar-item i {
    width: 20px !important;
    height: 20px !important;
    margin-right: 12px !important;
    flex-shrink: 0 !important;
    color: var(--sidebar-text) !important;
    stroke: var(--sidebar-text) !important;
}

.sidebar.collapsed .sidebar-item {
    justify-content: center;
    margin: 0 8px;
    padding: 12px 8px;
}

.item-text {
    color: var(--sidebar-text) !important;
    font-size: 14px !important;
    font-weight: 400 !important;
}

.sidebar.collapsed .item-text {
    display: none;
}

.sidebar-divider {
    height: 1px;
    background-color: var(--sidebar-border);
    margin: 16px 20px;
}

.sidebar.collapsed .sidebar-divider {
    margin: 16px 8px;
}

.sidebar-footer {
    border-top: 1px solid var(--sidebar-border);
    padding: 16px 0;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #4a90e2;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 500 !important;
    font-size: 14px !important;
    color: var(--sidebar-text) !important;
}

.user-role {
    font-size: 12px !important;
    color: var(--sidebar-text-secondary) !important;
}

.sidebar.collapsed .user-info {
    display: none;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width) !important;
    transition: margin-left 0.3s ease !important;
    min-height: 100vh !important;
    display: flex !important;
    flex-direction: column !important;
    position: relative !important;
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

.topbar {
    height: var(--topbar-height) !important;
    background-color: #fff !important;
    border-bottom: 1px solid #e5e5e5 !important;
    display: flex !important;
    align-items: center !important;
    padding: 0 20px !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 999 !important;
}

.sidebar-toggle {
    border: none;
    background: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
}

.sidebar-toggle:hover {
    background-color: #f5f5f5;
}

.topbar-title {
    flex: 1;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.content-area {
    flex: 1 !important;
    padding: 24px !important;
    background-color: #fafafa !important;
    overflow-y: auto !important;
}

.flash-messages {
    margin-bottom: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
}

/* Dark Theme Support */
.dark-theme {
    --sidebar-bg: #0f0f0f;
    --sidebar-text: #f0f0f0;
    --sidebar-text-secondary: #b0b0b0;
    --sidebar-border: #2a2a2a;
    --sidebar-hover: #1a1a1a;
    --sidebar-active: #2d2d2d;
}

.dark-theme .topbar {
    background-color: #1a1a1a;
    border-bottom-color: #333;
    color: #f0f0f0;
}

.dark-theme .content-area {
    background-color: #0f0f0f;
    color: #f0f0f0;
}

.dark-theme .sidebar-toggle:hover {
    background-color: #2a2a2a;
}

/* Tooltip for collapsed sidebar */
.sidebar.collapsed .sidebar-item {
    position: relative;
}

.sidebar.collapsed .sidebar-item:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background-color: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1001;
    margin-left: 8px;
}

.sidebar.collapsed .sidebar-item:hover::before {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-right-color: #333;
    margin-left: 4px;
}