* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #34495e;
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
}

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

.sidebar-menu li {
    border-bottom: 1px solid #34495e;
}

.menu-item {
    display: block;
    padding: 15px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: background-color 0.3s;
}

.menu-item:hover,
.menu-item.active {
    background-color: #3498db;
    color: white;
}

.menu-item.logout:hover {
    background-color: #e74c3c;
}

.menu-item i {
    margin-right: 10px;
    width: 20px;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 20px;
    width: calc(100% - 250px);
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.main-header h1 {
    color: #2c3e50;
    font-size: 28px;
}

.user-info {
    text-align: right;
}

.user-info span {
    display: block;
    color: #7f8c8d;
}

.date-time {
    font-size: 14px;
    margin-top: 5px;
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
}

.card-icon {
    background-color: #3498db;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 24px;
}

.card-content h3 {
    color: #2c3e50;
    font-size: 14px;
    margin-bottom: 5px;
}

.card-value {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 5px;
}

.card-change {
    font-size: 12px;
}

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

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

/* Quick Actions */
.quick-actions {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.quick-actions h2 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn.primary {
    background-color: #3498db;
    color: white;
}

.action-btn.primary:hover {
    background-color: #2980b9;
}

.action-btn.secondary {
    background-color: #95a5a6;
    color: white;
}

.action-btn.secondary:hover {
    background-color: #7f8c8d;
}

/* Recent Sales */
.recent-sales {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.recent-sales h2 {
    color: #2c3e50;
    margin-bottom: 15px;
}

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

.sales-table th,
.sales-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ecf0f1;
}

.sales-table th {
    background-color: #f8f9fa;
    color: #2c3e50;
    font-weight: 600;
}

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

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        margin-left: 200px;
        width: calc(100% - 200px);
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}