/* General Styles */
:root {
    --primary: #4e73df;
    --secondary: #858796;
    --success: #1cc88a;
    --info: #36b9cc;
    --warning: #f6c23e;
    --danger: #e74a3b;
    --light: #f8f9fc;
    --dark: #5a5c69;
}

body {
    background-color: var(--light);
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Sidebar */
.sidebar {
    width: 250px;
    min-height: 100vh;
    transition: all 0.3s;
    z-index: 1000;
}

.sidebar .nav-link {
    color: var(--secondary);
    padding: 0.75rem 1rem;
    margin: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    font-weight: 600;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: var(--primary);
    background-color: rgba(78, 115, 223, 0.1);
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: 0.5rem;
}

/* User avatar */
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    text-transform: uppercase;
}

/* Card */
.card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
    font-weight: 600;
}

/* Table */
.table-responsive {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.1);
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

/* Buttons */
.btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.9rem;
    border-radius: 0.35rem;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Forms */
.form-control, .form-select {
    padding: 0.5rem 0.75rem;
    border-radius: 0.35rem;
    border: 1px solid #d1d3e2;
}

.form-control:focus, .form-select:focus {
    border-color: #bac8f3;
    box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -250px;
        position: fixed;
    }
    
    .sidebar.show {
        margin-left: 0;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
}