:root {
    --primary: #0d6efd;
    --sidebar-width: 250px;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Navbar active state */
.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 6px;
}

/* Card enhancements */
.card {
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 12px;
}

.card-header {
    background: white;
    border-bottom: 1px solid rgba(0,0,0,.08);
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.25rem;
}

/* Progress bars */
.progress {
    border-radius: 10px;
    background-color: rgba(0,0,0,.06);
}

/* Table improvements */
.table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    color: #6c757d;
}

.table td {
    vertical-align: middle;
}

/* Form controls */
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

/* Badge kaynak renkleri */
.badge.bg-light {
    border: 1px solid #dee2e6;
    font-size: 0.7rem;
}

/* Macro cards */
.display-6 {
    font-size: 1.8rem;
    line-height: 1.2;
}

/* Sticky navbar shadow */
.sticky-top {
    box-shadow: 0 2px 8px rgba(0,0,0,.15) !important;
}

/* Responsive table */
@media (max-width: 576px) {
    .display-6 {
        font-size: 1.4rem;
    }
}