:root {
    --primary-color: #2c5530;
    --primary-light: #4a7856;
    --primary-dark: #1e3a24;
    --secondary-color: #d4af37;
    --accent-color: #8b4513;
    --background-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    padding: 20px 0;
    box-shadow: var(--box-shadow);
}

.logo-section {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    width: 80px;
    height: auto;
    margin-bottom: 10px;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    padding: 12px 25px;
    display: flex;
    align-items: center;
    text-decoration: none;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--secondary-color);
}

.nav-item i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.header {
    background: var(--card-bg);
    padding: 20px 30px;
    box-shadow: var(--box-shadow);
    display: flex;
    justify-content: between;
    align-items: center;
}

.user-role-badge {
    background: var(--secondary-color);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

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

.stat-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 24px;
    color: white;
}

.stat-icon.patients { background: var(--info-color); }
.stat-icon.appointments { background: var(--success-color); }
.stat-icon.revenue { background: var(--secondary-color); }
.stat-icon.branches { background: var(--primary-color); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.chart-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Tables */
.data-table {
    width: 100%;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.data-table th {
    background: var(--primary-color);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 500;
}

.data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

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

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-light);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .charts-section {
        grid-template-columns: 1fr;
    }
}