/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f2f5;
    color: #495057;
}

/* Sidebar Styling */
.sidebar {
    background: linear-gradient(180deg, #1a237e 0%, #283593 100%);
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.sidebar .nav-link {
    border-radius: 8px;
    margin: 5px 15px;
    transition: all 0.3s ease;
    font-weight: 500;
    color: rgba(255,255,255,0.7) !important;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: rgba(255,255,255,0.1);
    color: #fff !important;
    transform: translateX(5px);
}

.sidebar h4 a {
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 1.2rem;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    background: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 600;
    border-radius: 12px 12px 0 0 !important;
    padding: 1.2rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Cards */
.bg-gradient-primary { background: linear-gradient(45deg, #4e73df, #224abe); border:none; }
.bg-gradient-success { background: linear-gradient(45deg, #1cc88a, #13855c); border:none; }
.bg-gradient-info    { background: linear-gradient(45deg, #36b9cc, #258391); border:none; }
.bg-gradient-warning { background: linear-gradient(45deg, #f6c23e, #dda20a); border:none; color: white !important; }
.bg-gradient-danger  { background: linear-gradient(45deg, #e74a3b, #be2617); border:none; }

.text-white .display-4 {
    font-weight: 600;
    font-size: 2.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Table Styling */
.table {
    vertical-align: middle;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #e3e6f0;
    color: #5a5c69;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fc;
}

/* Badge Styling */
.badge {
    padding: 0.5em 0.75em;
    border-radius: 6px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.5rem 1.2rem;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-primary {
    background: #4e73df;
    border-color: #4e73df;
}

.btn-success {
    background: #1cc88a;
    border-color: #1cc88a;
}