:root {
    --primary-color: #0f4a73;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
}

.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-header {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
}

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

.btn-primary:hover {
    background-color: #0d3d5c;
    border-color: #0d3d5c;
}

.table {
    background-color: white;
}

.badge {
    padding: 0.35em 0.65em;
    font-size: 0.85em;
}

.metric-card {
    text-align: center;
    padding: 20px;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.metric-label {
    font-size: 1rem;
    color: var(--secondary-color);
}

#install-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.875rem;
    }
    
    /* Mobile-friendly form inputs */
    input[type="email"],
    input[type="text"],
    input[type="number"],
    input[type="tel"],
    input[type="date"],
    select.form-select,
    textarea.form-control {
        font-size: 16px !important; /* Prevent auto-zoom on iOS */
        max-width: 100%;
        width: 100%;
    }
    
    /* Ensure columns stack properly on mobile */
    .row > [class*="col-md-"] {
        margin-bottom: 1rem;
    }
    
    /* Make form control more touch-friendly */
    .form-control,
    .form-select {
        min-height: 44px; /* Improve touch targets */
        padding: 0.5rem 0.75rem;
    }
}

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