:root {
    --primary-color: 210 100% 50%; /* #007bff */
    --success-color: 120 100% 35%; /* #28a745 */
    --warning-color: 45 100% 50%; /* #ffc107 */
    --danger-color: 0 100% 50%; /* #dc3545 */
    --info-color: 195 100% 50%; /* #17a2b8 */
    --dark-color: 210 11% 15%; /* #343a40 */
    --light-color: 210 17% 98%; /* #f8f9fa */
    --border-color: 210 14% 89%; /* #dee2e6 */
    --text-muted: 210 7% 56%; /* #6c757d */
}

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

/* Loading animations */
.loading-robot {
    animation: robotSpin 2s linear infinite;
}

@keyframes robotSpin {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(90deg) scale(1.1); }
    50% { transform: rotate(180deg); }
    75% { transform: rotate(270deg) scale(1.1); }
    100% { transform: rotate(360deg); }
}

.spinner-border {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border-radius: 0.5rem;
}

.card-header {
    background-color: hsl(var(--light-color));
    border-bottom: 1px solid hsl(var(--border-color));
    font-weight: 600;
}

.source-item {
    transition: all 0.2s ease;
    background-color: white;
}

.source-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

.last-run-info p {
    margin-bottom: 0.5rem;
}

.last-run-info p:last-child {
    margin-bottom: 0;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

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

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

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

.modal-content {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 1px solid hsl(var(--border-color));
}

.modal-footer {
    border-top: 1px solid hsl(var(--border-color));
}

.form-control {
    border-radius: 0.375rem;
    border: 1px solid hsl(var(--border-color));
}

.form-control:focus {
    border-color: hsl(var(--primary-color));
    box-shadow: 0 0 0 0.2rem hsla(var(--primary-color), 0.25);
}

.badge {
    font-size: 0.75em;
    font-weight: 500;
}

.text-muted {
    color: hsl(var(--text-muted)) !important;
}

/* Custom animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert {
    animation: fadeIn 0.3s ease-out;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .source-item {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .source-item > div:last-child {
        margin-top: 1rem;
        align-self: flex-end;
    }
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Status indicators */
.bg-success {
    background-color: hsl(var(--success-color)) !important;
}

.bg-warning {
    background-color: hsl(var(--warning-color)) !important;
}

.bg-danger {
    background-color: hsl(var(--danger-color)) !important;
}

.bg-info {
    background-color: hsl(var(--info-color)) !important;
}

/* Alert variants */
.alert-success {
    color: hsl(var(--success-color));
    background-color: hsla(var(--success-color), 0.1);
    border-color: hsla(var(--success-color), 0.2);
}

.alert-warning {
    color: hsl(var(--warning-color));
    background-color: hsla(var(--warning-color), 0.1);
    border-color: hsla(var(--warning-color), 0.2);
}

.alert-danger {
    color: hsl(var(--danger-color));
    background-color: hsla(var(--danger-color), 0.1);
    border-color: hsla(var(--danger-color), 0.2);
}

.alert-info {
    color: hsl(var(--info-color));
    background-color: hsla(var(--info-color), 0.1);
    border-color: hsla(var(--info-color), 0.2);
}