/* Component-specific styles for LernQ */

/* Article Content Styles */
.article {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-md);
    background: var(--color-background-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.article-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.article-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.article-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    font-weight: 400;
    line-height: var(--line-height-relaxed);
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.article-meta-icon {
    width: 16px;
    height: 16px;
}

/* Content Structure */
.article-content {
    line-height: var(--line-height-relaxed);
}

.article-content h2 {
    font-size: var(--font-size-xxl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-separator);
}

.article-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.article-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
}

.article-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.article-content ul,
.article-content ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.article-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.article-content blockquote {
    background: var(--color-fill-secondary);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    font-style: italic;
}

.article-content code {
    background: var(--color-fill-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.article-content pre {
    background: var(--color-fill-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.article-content pre code {
    background: none;
    padding: 0;
}

/* Call-to-Action Box */
.cta-box {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.cta-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-system);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.3);
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-fill-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-separator);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--color-fill-secondary);
    color: var(--color-text-primary);
}

.btn-sm {
    padding: 6px var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-md);
}

.btn-icon {
    width: 16px;
    height: 16px;
}

/* Tag System */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px var(--spacing-sm);
    background: var(--color-fill-secondary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-1px);
}

.tag-icon {
    width: 12px;
    height: 12px;
}

/* Breadcrumb Navigation */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
    color: var(--color-primary);
}

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

.breadcrumb-separator {
    color: var(--color-text-tertiary);
    margin: 0 var(--spacing-xs);
}

/* Progress Indicator */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--color-fill-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-sm);
    transition: width var(--transition-normal);
}

/* Accordion/Collapse */
.accordion {
    border: 1px solid var(--color-separator);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

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

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

.accordion-header {
    background: var(--color-background-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.accordion-header:hover {
    background: var(--color-fill-secondary);
}

.accordion-title {
    font-weight: 500;
    color: var(--color-text-primary);
}

.accordion-icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-body {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-separator);
    background: var(--color-fill-quaternary);
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--color-background-primary);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-separator);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-fill-secondary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-separator);
}

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

.tooltip-content {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-label-primary);
    color: var(--color-background-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    z-index: var(--z-tooltip);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

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

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--color-label-primary);
}

/* Loading States */
.loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-fill-secondary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, var(--color-fill-secondary) 25%, var(--color-fill-tertiary) 50%, var(--color-fill-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

.skeleton-text {
    height: 1em;
    margin-bottom: var(--spacing-xs);
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: var(--spacing-sm);
}

.skeleton-paragraph {
    height: 0.8em;
    margin-bottom: var(--spacing-xs);
}

.skeleton-paragraph:last-child {
    width: 80%;
}

/* Alert/Notification */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-info {
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.2);
    color: var(--color-primary);
}

.alert-success {
    background: rgba(52, 199, 89, 0.1);
    border: 1px solid rgba(52, 199, 89, 0.2);
    color: var(--color-success);
}

.alert-warning {
    background: rgba(255, 149, 0, 0.1);
    border: 1px solid rgba(255, 149, 0, 0.2);
    color: var(--color-warning);
}

.alert-danger {
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.2);
    color: var(--color-danger);
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* Responsive adjustments for components */
@media (max-width: 768px) {
    .article {
        padding: var(--spacing-lg) var(--spacing-sm);
        margin: var(--spacing-sm);
    }
    
    .article-title {
        font-size: var(--font-size-xxxl);
    }
    
    .cards-grid {
        gap: var(--spacing-sm);
    }
    
    .modal-content {
        margin: var(--spacing-sm);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .btn + .btn {
        margin-top: var(--spacing-xs);
    }
    
    .tags {
        justify-content: center;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
    }
}

/* Auto-Complete Suggestions */
.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid #e1e5e9;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 400px;
    overflow: hidden;
    margin-top: 8px;
}

.autocomplete-suggestions.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.suggestions-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 4px;
}

.suggestion-item:last-child {
    margin-bottom: 0;
}

.suggestion-item:hover,
.suggestion-item.selected {
    background: var(--color-primary);
    color: white;
    transform: translateX(4px);
}

.suggestion-item.no-results {
    cursor: default;
    opacity: 0.7;
    color: var(--color-text-secondary);
}

.suggestion-item.no-results:hover {
    background: none;
    transform: none;
    color: var(--color-text-secondary);
}

.suggestion-icon {
    font-size: 20px;
    width: 32px;
    text-align: center;
    flex-shrink: 0;
}

.suggestion-content {
    flex: 1;
    min-width: 0;
}

.suggestion-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-title mark {
    background: rgba(255, 193, 7, 0.3);
    color: inherit;
    font-weight: 700;
    border-radius: 3px;
    padding: 1px 2px;
}

.suggestion-item:hover .suggestion-title mark,
.suggestion-item.selected .suggestion-title mark {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.suggestion-description {
    font-size: 12px;
    opacity: 0.8;
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.suggestion-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 10px;
    opacity: 0.7;
}

.suggestion-category {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 8px;
    font-weight: 500;
}

.suggestion-difficulty {
    padding: 2px 6px;
    border-radius: 8px;
    font-weight: 500;
}

.difficulty-anfänger {
    background: rgba(52, 199, 89, 0.2);
    color: #34C759;
}

.difficulty-fortgeschritten {
    background: rgba(255, 149, 0, 0.2);
    color: #FF9500;
}

.difficulty-experte {
    background: rgba(255, 59, 48, 0.2);
    color: #FF3B30;
}

.suggestion-item:hover .suggestion-category,
.suggestion-item.selected .suggestion-category {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.suggestion-item:hover .difficulty-anfänger,
.suggestion-item.selected .difficulty-anfänger,
.suggestion-item:hover .difficulty-fortgeschritten,
.suggestion-item.selected .difficulty-fortgeschritten,
.suggestion-item:hover .difficulty-experte,
.suggestion-item.selected .difficulty-experte {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Favorites System */
.favorites-toggle {
    background: var(--color-fill-secondary);
    border: 1px solid var(--color-separator);
    border-radius: 20px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text-primary);
    margin-right: 8px;
}

.favorites-toggle:hover {
    background: var(--color-fill-primary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.favorites-toggle.active {
    background: var(--color-warning);
    border-color: var(--color-warning);
    color: white;
}

.favorites-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.favorites-toggle.active .favorites-icon {
    transform: scale(1.2);
}

/* Favorites Panel */
.favorites-panel {
    position: fixed;
    top: 60px;
    right: -350px;
    width: 320px;
    height: calc(100vh - 60px);
    background: var(--color-background-primary);
    border-left: 1px solid var(--color-separator);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.favorites-panel.active {
    right: 0;
}

.favorites-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-separator);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-background-secondary);
}

.favorites-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.favorites-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
}

.favorites-close:hover {
    background: var(--color-fill-secondary);
    color: var(--color-text-primary);
}

.favorites-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.favorites-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-secondary);
}

.favorites-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.favorites-empty h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.favorites-empty p {
    font-size: 14px;
    line-height: 1.5;
}

.favorites-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.favorite-item {
    background: var(--color-background-tertiary);
    border: 1px solid var(--color-separator);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.favorite-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary);
}

.favorite-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.favorite-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.favorite-item-remove {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-tertiary);
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.favorite-item-remove:hover {
    color: var(--color-danger);
    background: rgba(255, 59, 48, 0.1);
}

.favorite-item-category {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.favorite-item-description {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .autocomplete-suggestions {
        border-radius: 12px;
        margin-top: 6px;
    }
    
    .suggestion-item {
        padding: 10px;
        gap: 10px;
    }
    
    .suggestion-icon {
        font-size: 16px;
        width: 24px;
    }
    
    .suggestion-title {
        font-size: 13px;
    }
    
    .suggestion-description {
        font-size: 11px;
    }
    
    .favorites-toggle {
        padding: 4px 8px;
        margin-right: 6px;
    }
    
    .favorites-toggle .favorites-icon {
        width: 14px;
        height: 14px;
    }
    
    .favorites-panel {
        width: 100%;
        right: -100%;
    }
    
    .favorites-panel.active {
        right: 0;
    }
}

/* Dark Mode Styles */
@media (prefers-color-scheme: dark) {
    .autocomplete-suggestions {
        background: rgba(28, 28, 30, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .suggestion-category {
        background: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.8);
    }
}

/* Custom Dark Mode (when toggled) */
body.dark-mode {
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #8E8E93;
    --color-text-tertiary: #48484A;
    --color-background-primary: #000000;
    --color-background-secondary: #1C1C1E;
    --color-background-tertiary: #2C2C2E;
    --color-separator: #38383A;
    --color-fill-secondary: #3A3A3C;
}

body.dark-mode .autocomplete-suggestions {
    background: rgba(28, 28, 30, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .suggestion-category {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

body.dark-mode .header {
    background: var(--color-background-primary);
    border-bottom-color: var(--color-separator);
}

body.dark-mode .footer {
    background: var(--color-background-primary);
    border-top-color: var(--color-separator);
}

/* Loading States */
.autocomplete-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--color-text-secondary);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-separator);
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Accessibility Improvements */
.autocomplete-suggestions {
    role: listbox;
}

.suggestion-item {
    role: option;
}

.suggestion-item.selected {
    aria-selected: true;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.suggestion-item {
    animation: fadeInUp 0.2s ease;
    animation-fill-mode: both;
}

.suggestion-item:nth-child(1) { animation-delay: 0.05s; }
.suggestion-item:nth-child(2) { animation-delay: 0.1s; }
.suggestion-item:nth-child(3) { animation-delay: 0.15s; }
.suggestion-item:nth-child(4) { animation-delay: 0.2s; }
.suggestion-item:nth-child(5) { animation-delay: 0.25s; }
.suggestion-item:nth-child(6) { animation-delay: 0.3s; }
.suggestion-item:nth-child(7) { animation-delay: 0.35s; }
.suggestion-item:nth-child(8) { animation-delay: 0.4s; }