/* Global Styles */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5f6fa;
    --text-color: #2d3436;
    --muted-color: #636e72;
    --border-color: #dfe6e9;
    --success-color: #27ae60;
    --warning-color: #f1c40f;
    --danger-color: #e74c3c;
    --primary-color-dark:var(--danger-color)
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Search Section */
.search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-color);
}

#toolSearch {
    padding-right: 40px;
    border-radius: 25px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

#toolSearch:focus {
    box-shadow: 0 0 0 0.25rem rgba(74, 144, 226, 0.25);
    border-color: var(--primary-color);
}

/* Categories Section */
.category-card {
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.category-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Tool Cards */
.tool-card {
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tool-card .card-body {
    padding: 1.5rem;
}

.tool-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Ad Spaces */
.ad-placeholder {
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
}

.footer-ad-placeholder {
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.ad-text {
    color: var(--muted-color);
    font-size: 0.9rem;
}

/* Footer Styles */
.footer {
    background-color: var(--secondary-color);
}

.social-links a {
    color: var(--muted-color);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    .category-card, .tool-card {
        margin-bottom: 1rem;
    }

    .footer {
        text-align: center;
    }

    .social-links {
        justify-content: center;
        margin-top: 1rem;
    }
}

/* Utility Classes */
.shadow-sm {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05) !important;
}

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

.btn-primary:hover {
    background-color: #357abd;
    border-color: #357abd;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}