:root {
    /* Colors */
    --primary-color: #6C5DD3;
    --secondary-color: #A098AE;
    --text-color: #11142D;
    --bg-color: #F7F7F7;
    --white: #FFFFFF;
    --success: #4CE1B6;
    --danger: #FF754C;
    --warning: #FFCD29;

    /* Pastel Colors for Categories */
    --pastel-red: #FFD4D4;
    --pastel-blue: #D4E4FF;
    --pastel-yellow: #FFF4D4;
    --pastel-purple: #EAD4FF;
    --pastel-green: #D4FFE4;
    --pastel-orange: #FFE4D4;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--white);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-links li a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-links li a.active,
.nav-links li a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Main Content */
.main-content {
    margin-left: 250px;
    flex: 1;
    padding: var(--spacing-lg);
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.3s;
}

.btn-primary:hover {
    background-color: #5a4cb4;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.stat-trend {
    font-size: 0.8rem;
    margin-top: auto;
}

.trend-up {
    color: var(--success);
}

.trend-down {
    color: var(--danger);
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.chart-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

/* Categories List */
.category-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid #f0f0f0;
}

.cat-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cat-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* Recent Transactions */
.recent-transactions {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-sm);
}

th {
    text-align: left;
    color: var(--secondary-color);
    font-weight: 500;
    padding: var(--spacing-sm);
    border-bottom: 1px solid #f0f0f0;
}

td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid #f0f0f0;
}

.amount-positive {
    color: var(--success);
}

.amount-negative {
    color: var(--danger);
}

.icon-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}