/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Header and Navigation */
.main-nav {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #000;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1rem;
}

.product-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.product-price {
    color: #e44d26;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.product-description {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #666;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    border: 1px solid transparent;
}

/* Button Variants */
.btn-primary {
    background-color: #007bff;
    color: #fff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-outline {
    background-color: transparent;
    color: #007bff;
    border-color: #007bff;
}

.btn-outline:hover {
    background-color: #007bff;
    color: #fff;
}

.btn-secondary {
    background-color: #6c757d;
    color: #fff;
    border-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #5a6268;
}

.btn-success {
    background-color: #28a745;
    color: #fff;
    border-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
    border-color: #218838;
}

.btn-danger {
    background-color: #dc3545;
    color: #fff;
    border-color: #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #c82333;
}

/* Social Media Buttons */
.btn-facebook {
    background-color: #1877f2;
    color: #fff;
    border-color: #1877f2;
}

.btn-facebook:hover {
    background-color: #166fe5;
    border-color: #166fe5;
}

.btn-twitter {
    background-color: #1da1f2;
    color: #fff;
    border-color: #1da1f2;
}

.btn-twitter:hover {
    background-color: #1a91da;
    border-color: #1a91da;
}

.btn-linkedin {
    background-color: #0077b5;
    color: #fff;
    border-color: #0077b5;
}

.btn-linkedin:hover {
    background-color: #006699;
    border-color: #006699;
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.25rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Button States */
.btn:disabled,
.btn.disabled {
    opacity: 0.65;
    pointer-events: none;
}

/* Button Groups */
.btn-group {
    display: flex;
    gap: 0.5rem;
}

.btn-group .btn {
    border-radius: 4px;
}

.btn-group .btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-group .btn:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Form-specific Buttons */
.auth-form button,
.form-actions .btn {
    width: 100%;
    margin-top: 1rem;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 1rem;
}

@media (max-width: 768px) {
    .share-buttons {
        flex-direction: column;
    }
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #444;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

/* Blog Styles */
.article-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.article-content {
    padding: 2rem;
}

.article-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Admin Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.dashboard-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dashboard-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

/* Affiliate Disclosure */
.affiliate-disclosure {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: #666;
}