/* Custom styles for SEO Audit Tool */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.navbar-brand {
    font-weight: 600;
}

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

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

.progress {
    height: 1rem;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.score-excellent {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.score-good {
    background: linear-gradient(135deg, #17a2b8, #6f42c1);
}

.score-fair {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
}

.score-poor {
    background: linear-gradient(135deg, #dc3545, #e83e8c);
}

.issue-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.severity-critical {
    background-color: var(--danger-color);
    color: white;
}

.severity-high {
    background-color: #fd7e14;
    color: white;
}

.severity-medium {
    background-color: var(--warning-color);
    color: #212529;
}

.severity-low {
    background-color: var(--info-color);
    color: #212529;
}

.audit-summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 1rem;
}

.stat-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid #e9ecef;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

.footer {
    margin-top: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .score-circle {
        width: 80px;
        height: 80px;
        font-size: 1.2rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}