/* Custom styles for Marketing Analytics API */

:root {
    --primary-gradient: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius-lg: 0.75rem;
}

body {
    background: var(--bs-body-bg);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    border: none;
    box-shadow: var(--card-shadow);
    border-radius: var(--border-radius-lg);
    margin-bottom: 2rem;
}

.card-header {
    background: var(--primary-gradient);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
    border: none;
    padding: 1.5rem;
}

.card-header .card-title {
    color: white;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 2rem;
}

.display-4 {
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(var(--bs-primary-rgb), 0.3);
}

.table {
    border-radius: 0.5rem;
    overflow: hidden;
}

.table th {
    background-color: var(--bs-secondary);
    color: var(--bs-body-color);
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table td {
    padding: 0.75rem 1rem;
    border-color: var(--bs-border-color);
}

.spinner-border {
    color: var(--bs-primary);
}

.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
}

.font-monospace {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

/* Responsive improvements */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
}

/* Animation for smooth transitions */
.card,
.btn {
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

/* Loading animation */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.loading {
    animation: pulse 2s infinite;
}