:root {
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --safe-color: #10b981;
    --text-color: #374151;
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.logo {
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

.navbar {
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    background-color: var(--card-bg);
}

.search-container {
    max-width: 800px;
    margin: 0 auto;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    transition: background-color 0.3s ease;
}

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

.result-safe {
    color: var(--safe-color);
}

.result-warning {
    color: var(--warning-color);
}

.result-danger {
    color: var(--danger-color);
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.article-content p {
    margin-bottom: 1rem;
}

.article-content ul, 
.article-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

.loading-spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    animation: spin 1s linear infinite;
}

/* Smaller loading spinner for buttons */
.loading-spinner-sm {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.screenshot-container {
    max-width: 100%;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin: 1.5rem 0;
}

.screenshot-container img {
    width: 100%;
    height: auto;
    display: block;
}

.review-card {
    border-left: 4px solid var(--secondary-color);
    padding-left: 1rem;
    margin: 1rem 0;
}

.search-history-item {
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-history-item:hover {
    background-color: rgba(79, 70, 229, 0.1);
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .search-container {
        padding: 0 1rem;
    }
    
    .article-content h2 {
        font-size: 1.35rem;
    }
    
    .article-content h3 {
        font-size: 1.15rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .navbar {
        position: sticky;
        top: 0;
        z-index: 50;
    }
}

/* Slider styling */
.slider-container {
    -webkit-overflow-scrolling: touch;
    position: relative;
    scroll-behavior: smooth;
}

.slider-container::-webkit-scrollbar {
    height: 6px;
}

.slider-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.slider-container::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.slider-container::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Additional animations */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}