/* Component-specific styles */

/* Loading States */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.skeleton-card {
    height: 200px;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

/* Form Validation */
.form-group.error input,
.form-group.error textarea {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-group.success input,
.form-group.success textarea {
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.error-message {
    color: #dc3545;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #c3e6cb;
    margin-bottom: 1rem;
    display: none;
}

.success-message.show {
    display: block;
}

/* Notification Toast */
.toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background-color: var(--secondary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    z-index: 3000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background-color: #28a745;
}

.toast.error {
    background-color: #dc3545;
}

.toast.warning {
    background-color: #ffc107;
    color: #212529;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background-color: var(--background-gray);
    border-radius: 2px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--text-light);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 2rem 0;
}

.pagination-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--background-light);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn:disabled:hover {
    background-color: var(--background-light);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Search and Filter */
.filters-section {
    background: var(--card-bg, var(--background-gray));
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 100;
}

.filters-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-filter-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--background-light);
    color: var(--text-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.filter-dropdown {
    position: relative;
}

.filter-btn {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--background-light);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

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



.filter-dropdown {
    position: relative;
    z-index: 2000;
}

.filter-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    min-width: 200px;
    z-index: 2001;
    display: none;
}

.filter-menu.show {
    display: block;
}

.filter-option {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.filter-option:hover {
    background-color: var(--background-gray);
}

.filter-option.active {
    background-color: var(--primary-color);
    color: white;
}

/* Tags and Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background-color: var(--primary-color);
    color: white;
}

.badge-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.badge-success {
    background-color: #28a745;
    color: white;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

.badge-danger {
    background-color: #dc3545;
    color: white;
}

.badge-info {
    background-color: var(--accent-color);
    color: white;
}

/* Accordion */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    padding: 1rem 1.5rem;
    background-color: var(--background-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: #e9ecef;
}

.accordion-header.active {
    background-color: var(--primary-color);
    color: white;
}

.accordion-content {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content.active {
    padding: 1.5rem;
    max-height: 500px;
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

/* Tabs */
.tabs {
    margin-bottom: 2rem;
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    border-radius: var(--border-radius);
    padding: 0.5rem;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
}

.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--secondary-color) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Image Gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay-text {
    color: white;
    font-weight: 500;
    text-align: center;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #e68900;
    transform: translateY(-3px);
}

/* Social Share Buttons */
.social-share {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

.share-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-linkedin {
    background-color: #0077b5;
}

.share-twitter {
    background-color: #1da1f2;
}

.share-facebook {
    background-color: #1877f2;
}

.share-email {
    background-color: var(--secondary-color);
}

/* Reading Progress Bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: var(--primary-color);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* Code Syntax Highlighting */
.code-block {
    background-color: var(--background-gray);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

.code-inline {
    background-color: var(--background-gray);
    color: var(--primary-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 10000;
}

.skip-link:focus {
    top: 6px;
}