/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f8f9fa;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Layout */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: white;
    border-right: 1px solid #e9ecef;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar.collapsed {
    transform: translateX(-280px);
}

.main-content {
    margin-left: 280px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

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

/* Sidebar Header */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.logo i {
    font-size: 2rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    background: #f8f9fa;
    color: #667eea;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section h3 {
    padding: 0 1.5rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-section ul {
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.nav-item:hover {
    background: #f8f9fa;
    color: #667eea;
}

.nav-item.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 0 25px 25px 0;
    margin-right: 1rem;
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* Header */
.header {
    background: white;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-left h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.header-left p {
    color: #666;
    font-size: 0.9rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-bar {
    display: flex;
    align-items: center;
    background: #f8f9fa;
    border-radius: 25px;
    padding: 0.5rem 1rem;
    min-width: 300px;
}

.search-bar i {
    color: #666;
    margin-right: 0.5rem;
}

.search-bar input {
    border: none;
    background: none;
    outline: none;
    flex: 1;
    font-size: 0.9rem;
}

.notifications {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
}

.notification-btn:hover {
    background: #f8f9fa;
    color: #667eea;
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.user-profile:hover {
    background: #f8f9fa;
}

.profile-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
}

.user-role {
    font-size: 0.8rem;
    color: #666;
}

/* Content */
.content {
    padding: 2rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-content h3 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-change {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.stat-change.positive {
    color: #27ae60;
}

.stat-change.negative {
    color: #e74c3c;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.chart-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.chart-actions {
    display: flex;
    gap: 0.5rem;
}

.chart-btn {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chart-btn:hover, .chart-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.chart-container {
    height: 300px;
    position: relative;
}

/* Activity Section */
.activity-section {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.activity-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.activity-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.view-all-btn {
    background: none;
    border: none;
    color: #667eea;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s ease;
}

.view-all-btn:hover {
    color: #5a6fd8;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: #e9ecef;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.8rem;
    color: #666;
}

/* Analytics Section */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.analytics-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.analytics-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1.5rem;
}

.team-performance {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.team-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.team-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.team-name {
    font-weight: 500;
    color: #333;
}

.team-progress {
    font-weight: 600;
    color: #667eea;
}

.progress-bar {
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric-item {
    text-align: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.8rem;
    color: #666;
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
}

.add-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Employees Grid */
.employees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.employee-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.employee-card:hover {
    transform: translateY(-5px);
}

.employee-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.employee-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.employee-info h3 {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.employee-role {
    font-size: 0.9rem;
    color: #666;
}

.employee-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.employee-stat {
    text-align: center;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.employee-stat-value {
    font-weight: 600;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.employee-stat-label {
    font-size: 0.8rem;
    color: #666;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.project-title {
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.project-status {
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-status.active {
    background: #d4edda;
    color: #155724;
}

.project-status.completed {
    background: #d1ecf1;
    color: #0c5460;
}

.project-status.pending {
    background: #fff3cd;
    color: #856404;
}

.project-description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-progress {
    margin-bottom: 1rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.progress-label {
    font-size: 0.9rem;
    color: #666;
}

.progress-percentage {
    font-weight: 600;
    color: #667eea;
}

.project-team {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.team-member {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Finance Section */
.finance-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.finance-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.finance-card h3 {
    font-size: 1rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.finance-amount {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.finance-change {
    font-size: 0.9rem;
    font-weight: 500;
}

.finance-change.positive {
    color: #27ae60;
}

.finance-change.negative {
    color: #e74c3c;
}

.finance-chart {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.finance-chart h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1.5rem;
}

/* Inventory Section */
.inventory-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.inventory-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
}

.inventory-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.inventory-filters select {
    padding: 0.5rem 1rem;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    background: white;
    outline: none;
}

.scan-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.scan-btn:hover {
    background: #5a6fd8;
}

.inventory-table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.inventory-table table {
    width: 100%;
    border-collapse: collapse;
}

.inventory-table th,
.inventory-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.inventory-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

.inventory-table tr:hover {
    background: #f8f9fa;
}

/* Reports Section */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.report-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.report-card:hover {
    transform: translateY(-5px);
}

.report-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.report-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.report-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.download-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Settings Section */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.settings-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.settings-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1.5rem;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    font-weight: 500;
    color: #333;
}

.setting-item input,
.setting-item select {
    padding: 0.5rem;
    border: 1px solid #e9ecef;
    border-radius: 5px;
    outline: none;
    transition: border-color 0.3s ease;
}

.setting-item input:focus,
.setting-item select:focus {
    border-color: #667eea;
}

/* Notifications Panel */
.notifications-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 2000;
}

.notifications-panel.open {
    right: 0;
}

.notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.notifications-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.close-notifications {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-notifications:hover {
    color: #e74c3c;
}

.notifications-list {
    padding: 1rem;
    overflow-y: auto;
    max-height: calc(100vh - 80px);
}

.notification-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.notification-item:hover {
    background: #f8f9fa;
}

.notification-item.unread {
    background: #e3f2fd;
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.25rem;
}

.notification-time {
    font-size: 0.8rem;
    color: #666;
}

/* Back to Portfolio Button */
.back-to-portfolio {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
}

.back-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #667eea;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.back-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-280px);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .header-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-bar {
        min-width: auto;
        flex: 1;
        margin-right: 1rem;
    }
    
    .content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .finance-overview {
        grid-template-columns: 1fr;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .notifications-panel {
        width: 100%;
        right: -100%;
    }
    
    .back-to-portfolio {
        bottom: 10px;
        left: 10px;
    }
    
    .back-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .employees-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .inventory-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .inventory-filters {
        flex-direction: column;
    }
    
    .inventory-table {
        overflow-x: auto;
    }
}