:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

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

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

/* Sidebar Styles */
.sidebar {
    width: 250px;
    min-height: 100vh;
    background: linear-gradient(180deg, var(--dark-color) 0%, #343a40 100%);
    color: white;
    transition: all 0.3s;
    position: fixed;
    z-index: 1000;
}

.sidebar-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header .logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: contain;
    border: 2px solid var(--primary-color);
}

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

.sidebar-menu li {
    padding: 10px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.sidebar-menu li:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-menu li.active {
    background-color: var(--primary-color);
}

.sidebar-menu li a {
    color: white;
    text-decoration: none;
    display: block;
}

.sidebar-menu li a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 15px;
    position: absolute;
    bottom: 0;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content Styles */
.main-content {
    margin-left: 250px;
    width: calc(100% - 250px);
    transition: all 0.3s;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 10px 15px;
}

.content {
    padding: 20px;
    margin-top: 60px;
}

/* Stats Cards */
.stat-card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    border: none;
}

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

.stat-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
    opacity: 0.8;
}

.stat-value {
    font-weight: 700;
    margin-bottom: 0;
}

.stat-footer {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 10px;
}

/* Table Styles */
.table {
    font-size: 14px;
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
    border-top: none;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -250px;
    }
    
    .main-content {
        width: 100%;
        margin-left: 0;
    }
    
    .sidebar.active {
        margin-left: 0;
    }
    
    .main-content.active {
        margin-left: 250px;
    }
}

/* Badge Styles */
.badge {
    padding: 5px 10px;
    font-weight: 500;
    font-size: 12px;
}

.bg-primary-light {
    background-color: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
}

.bg-success-light {
    background-color: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
}

.bg-warning-light {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
}

.bg-danger-light {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

/* Button Styles */
.btn {
    font-weight: 500;
    padding: 8px 15px;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Modal Styles */
.modal-header {
    border-bottom: none;
    padding-bottom: 0;
}

/* Expense Type Buttons */
.btn-group .btn {
    font-size: 12px;
    padding: 5px 10px;
}

.btn-group .btn.active {
    background-color: var(--primary-color);
    color: white;
}