/* Additional styles for the PHP implementation */
/* JavaScript-enhanced Styles */

/* Menu Toggle for Mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--card-bg);
        position: absolute;
        top: 100%;
        left: 0;
        box-shadow: var(--shadow);
        padding: 20px;
        z-index: 1000;
    }
    
    nav.show ul {
        display: flex;
    }
}

/* Input Error Styles */
.input-error {
    color: var(--danger) !important;
    font-size: 0.8rem;
    margin-top: 5px;
}

input.error, textarea.error, select.error {
    border-color: var(--danger) !important;
}

/* Loading States */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Animation for new elements */
.snippet-card, .user-card, .category-card {
    animation: fadeInUp 0.5s ease-out;
}

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

/* Like button animation */
.btn-like.liked {
    animation: heartBeat 0.6s ease;
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.3); }
    28% { transform: scale(1); }
    42% { transform: scale(1.3); }
    70% { transform: scale(1); }
}

/* Copy button styles */
.copy-btn {
    transition: all 0.3s ease;
}

.copy-btn:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

/* Tooltip styles */
.tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    z-index: 1000;
    pointer-events: none;
}

/* Avatar upload preview */
.avatar-preview {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    margin-bottom: 15px;
}

.avatar-upload-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

/* Homepage Styles */
.hero {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 60px 0;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
    font-size: 10rem;
    color: var(--primary);
}

.btn-large {
    padding: 12px 24px;
    font-size: 1rem;
}

.home-section {
    margin: 80px 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.category-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 25px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    color: var(--text-primary);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.category-card h3 {
    margin-bottom: 10px;
}

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.user-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.user-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
}

.user-info h3 {
    margin-bottom: 5px;
}

.user-stats {
    margin: 15px 0;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.stat {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.btn-full {
    width: 100%;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8rem;
}

/* About Page Styles */
.page-header {
    text-align: center;
    margin: 40px 0;
}

.page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.about-section {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 60px 0;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    text-align: center;
    font-size: 8rem;
    color: var(--primary);
}

.features-list {
    list-style: none;
    margin-top: 20px;
}

.features-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list i {
    color: var(--success);
}

.stats-section {
    text-align: center;
    margin: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.cta-section {
    text-align: center;
    margin: 80px 0;
    padding: 40px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cta-buttons {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Users Page Styles */
.filters {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-weight: 500;
    font-size: 0.9rem;
}

.filter-group select,
.search-box input {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    color: var(--text-primary);
}

.search-box {
    position: relative;
    margin-left: auto;
}

.search-box input {
    padding-right: 40px;
    width: 250px;
}

.search-box i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* Snippet Detail Styles */
.snippet-detail {
    max-width: 900px;
    margin: 0 auto;
}

.snippet-header h1 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-name {
    font-weight: 600;
    display: block;
}

.post-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.snippet-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.snippet-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-like {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background: var(--light-gray);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-like:hover,
.btn-like.liked {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.snippet-info {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.info-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--light-gray);
    border-radius: 50px;
    font-size: 0.9rem;
}

.snippet-content {
    margin-bottom: 40px;
}

.snippet-content h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.snippet-description {
    margin-bottom: 30px;
    line-height: 1.6;
}

.snippet-code pre {
    background: var(--code-bg);
    color: #f8f8f2;
    padding: 20px;
    border-radius: var(--radius);
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

.comments-section {
    margin-top: 40px;
}

.comment-form {
    margin: 30px 0;
}

.comment-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    color: var(--text-primary);
    resize: vertical;
}

.comment {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.comment-author {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 600;
}

.comment-content {
    margin-bottom: 15px;
    line-height: 1.5;
}

.comment-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.login-prompt {
    text-align: center;
    padding: 30px;
    background: var(--light-gray);
    border-radius: var(--radius);
    margin: 30px 0;
}

.no-comments {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Form Styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.snippet-form {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-color);
    color: var(--text-primary);
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.alert {
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination-link {
    padding: 8px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.pagination-link:hover,
.pagination-link.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* No results */
.no-results,
.no-snippets {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-results i,
.no-snippets i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--border);
}

.no-results h3,
.no-snippets h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image {
        font-size: 6rem;
    }
    
    .about-section,
    .about-section.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .about-image {
        font-size: 5rem;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .search-box {
        margin-left: 0;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .snippet-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.user-menu .dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 10px 0;
    min-width: 150px;
    display: none;
    z-index: 10;
}

.user-menu:hover .dropdown {
    display: block;
}

.user-menu .dropdown a {
    display: block;
    padding: 8px 15px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.user-menu .dropdown a:hover {
    background: var(--light-gray);
}

.no-snippets {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.no-snippets i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--border);
}

.no-snippets h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}