:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.card {
    border: none;
    border-radius: 0.5rem;
}

.card-header {
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1rem 1.25rem;
}

.form-range::-webkit-slider-thumb {
    background: var(--primary-color);
}

.form-range::-moz-range-thumb {
    background: var(--primary-color);
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.table th {
    font-weight: 600;
    border-top: none;
}

.toast-container {
    z-index: 1100;
}

code {
    background: rgba(0,0,0,0.05);
    padding: 0.2em 0.4em;
    border-radius: 0.25rem;
    color: inherit;
}

.list-group-item {
    border-left: none;
    border-right: none;
}

.list-group-item:first-child {
    border-top: none;
}

.display-5 {
    font-weight: 300;
}

.alert {
    border: none;
}

.modal-content {
    border: none;
    border-radius: 0.5rem;
}

.badge {
    font-weight: 500;
}

.btn {
    border-radius: 0.375rem;
    font-weight: 500;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}