/**
 * AI Tools Manager - Frontend Styles
 * Redesigned with sidebar layout for better UX
 * Matches ai-dla-firmy.pl dark theme
 */

/* ============================================
   CSS Variables - Dark Theme
   ============================================ */
:root {
    --ai-primary: #4a90d9;
    --ai-primary-hover: #3a7bc8;
    --ai-primary-light: #6ba3e0;
    --ai-secondary: #1a1a2e;
    --ai-accent: #00d4aa;
    --ai-background: #0a0a14;
    --ai-surface: #12121e;
    --ai-surface-light: #1a1a2e;
    --ai-surface-hover: #222235;
    --ai-text: #ffffff;
    --ai-text-muted: #9ca3af;
    --ai-text-dim: #6b7280;
    --ai-border: #2a2a40;
    --ai-border-light: #353550;
    --ai-success: #00d4aa;
    --ai-warning: #f5a623;
    --ai-error: #e8473f;
    --ai-info: #4a90d9;
    --ai-radius: 12px;
    --ai-radius-sm: 8px;
    --ai-radius-lg: 16px;
    --ai-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --ai-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --ai-transition: all 0.2s ease;
    --ai-sidebar-width: 280px;
}

/* ============================================
   Main Wrapper
   ============================================ */
.ai-tools-wrapper {
    max-width: 1600px;
    margin: 0 auto;
    padding: 24px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--ai-text);
    line-height: 1.6;
}

.ai-tools-wrapper * {
    box-sizing: border-box;
}

/* ============================================
   Top Bar with Search & Stats
   ============================================ */
.ai-tools-topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
    padding: 20px 24px;
    background: var(--ai-surface);
    border-radius: var(--ai-radius-lg);
    border: 1px solid var(--ai-border);
}

.ai-tools-search-box {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.ai-tools-search-box .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ai-text-muted);
    pointer-events: none;
}

.ai-tools-search-box input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    font-size: 15px;
    background: var(--ai-surface-light);
    border: 1px solid var(--ai-border);
    border-radius: 50px;
    color: var(--ai-text);
    transition: var(--ai-transition);
}

.ai-tools-search-box input:focus {
    outline: none;
    border-color: var(--ai-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
}

.ai-tools-search-box input::placeholder {
    color: var(--ai-text-dim);
}

.ai-tools-search-box .clear-search {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ai-border);
    border-radius: 50%;
    color: var(--ai-text-muted);
    text-decoration: none;
    font-size: 16px;
    transition: var(--ai-transition);
}

.ai-tools-search-box .clear-search:hover {
    background: var(--ai-primary);
    color: white;
}

.ai-tools-stats {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-primary-light));
    border-radius: 50px;
    white-space: nowrap;
}

.ai-tools-stats .stat-number {
    font-size: 24px;
    font-weight: 800;
    color: white;
}

.ai-tools-stats .stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
}

/* ============================================
   Layout: Sidebar + Main
   ============================================ */
.ai-tools-layout {
    display: flex;
    gap: 24px;
}

/* Sidebar */
.ai-tools-sidebar {
    width: var(--ai-sidebar-width);
    flex-shrink: 0;
}

.sidebar-section {
    background: var(--ai-surface);
    border-radius: var(--ai-radius);
    border: 1px solid var(--ai-border);
    padding: 20px;
    margin-bottom: 16px;
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ai-text-muted);
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ai-border);
}

.sidebar-title svg {
    color: var(--ai-accent);
}

/* Category List */
.category-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 400px;
    overflow-y: auto;
}

.category-list::-webkit-scrollbar {
    width: 4px;
}

.category-list::-webkit-scrollbar-track {
    background: var(--ai-surface-light);
    border-radius: 2px;
}

.category-list::-webkit-scrollbar-thumb {
    background: var(--ai-border);
    border-radius: 2px;
}

.category-list li {
    margin-bottom: 2px;
}

.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--ai-radius-sm);
    color: var(--ai-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: var(--ai-transition);
}

.category-link:hover {
    background: var(--ai-surface-hover);
    color: var(--ai-text);
}

.category-link.active {
    background: var(--ai-primary);
    color: white;
}

.category-link .cat-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-link .cat-count {
    font-size: 12px;
    padding: 2px 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    margin-left: 8px;
}

.category-link.active .cat-count {
    background: rgba(255,255,255,0.25);
}

/* Filter List */
.filter-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.filter-list li {
    margin-bottom: 4px;
}

.filter-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: var(--ai-radius-sm);
    color: var(--ai-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: var(--ai-transition);
}

.filter-link:hover {
    background: var(--ai-surface-hover);
    color: var(--ai-text);
}

.filter-link.active {
    background: var(--ai-surface-hover);
    color: var(--ai-accent);
    font-weight: 600;
}

.filter-link .pricing-icon {
    font-size: 16px;
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-link {
    display: inline-block;
    padding: 6px 12px;
    font-size: 12px;
    background: var(--ai-surface-light);
    border: 1px solid var(--ai-border);
    border-radius: 20px;
    color: var(--ai-text-muted);
    text-decoration: none;
    transition: var(--ai-transition);
}

.tag-link:hover {
    border-color: var(--ai-accent);
    color: var(--ai-accent);
}

.tag-link.active {
    background: var(--ai-accent);
    border-color: var(--ai-accent);
    color: #0a0a14;
    font-weight: 600;
}

.clear-filter {
    display: block;
    margin-top: 12px;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--ai-primary);
    text-decoration: none;
    text-align: center;
    border-radius: var(--ai-radius-sm);
    transition: var(--ai-transition);
}

.clear-filter:hover {
    background: rgba(74, 144, 217, 0.1);
}

/* ============================================
   Main Content Area
   ============================================ */
.ai-tools-main {
    flex: 1;
    min-width: 0;
}

/* Mobile Filters Toggle */
.mobile-filters-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    margin-bottom: 16px;
    background: var(--ai-surface);
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius-sm);
    color: var(--ai-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ai-transition);
    position: relative;
}

.mobile-filters-toggle:hover {
    background: var(--ai-surface-hover);
}

.mobile-filters-toggle .filter-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    background: var(--ai-primary);
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Active Filters Bar */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: var(--ai-surface);
    border-radius: var(--ai-radius-sm);
    border: 1px solid var(--ai-border);
}

.active-filters-label {
    font-size: 13px;
    color: var(--ai-text-muted);
    margin-right: 4px;
}

.active-filter {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    background: var(--ai-surface-light);
    border-radius: 20px;
    color: var(--ai-text);
}

.active-filter .remove-filter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: var(--ai-border);
    border-radius: 50%;
    color: var(--ai-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: var(--ai-transition);
}

.active-filter .remove-filter:hover {
    background: var(--ai-primary);
    color: white;
}

.clear-all-filters {
    margin-left: auto;
    font-size: 13px;
    color: var(--ai-primary);
    text-decoration: none;
}

.clear-all-filters:hover {
    text-decoration: underline;
}

/* Toolbar */
.ai-tools-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: var(--ai-surface);
    border-radius: var(--ai-radius-sm);
    border: 1px solid var(--ai-border);
}

.results-info {
    font-size: 14px;
    color: var(--ai-text-muted);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sort-options label {
    font-size: 14px;
    color: var(--ai-text-muted);
}

.sort-options select {
    padding: 8px 32px 8px 12px;
    font-size: 14px;
    background: var(--ai-surface-light);
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius-sm);
    color: var(--ai-text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.sort-options select:focus {
    outline: none;
    border-color: var(--ai-accent);
}

/* ============================================
   Tools Grid
   ============================================ */
.ai-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.ai-tools-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.ai-tools-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

/* Tool Card */
.ai-tool-card {
    position: relative;
    background: var(--ai-surface);
    border-radius: var(--ai-radius);
    border: 1px solid var(--ai-border);
    overflow: hidden;
    transition: var(--ai-transition);
}

.ai-tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ai-shadow);
    border-color: var(--ai-border-light);
}

.ai-tool-card-inner {
    padding: 24px;
}

/* Card Header */
.ai-tool-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}

.ai-tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--ai-radius-sm);
    background: linear-gradient(135deg, var(--ai-surface-light), var(--ai-border));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--ai-primary);
}

.ai-tool-title-wrap {
    flex: 1;
    min-width: 0;
}

.ai-tool-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--ai-text);
    margin: 0 0 4px 0;
    line-height: 1.3;
}

.ai-tool-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--ai-transition);
}

.ai-tool-title a:hover {
    color: var(--ai-primary);
}

.ai-tool-domain {
    font-size: 12px;
    color: var(--ai-text-dim);
}

/* Pricing Badge */
.ai-tool-pricing {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-radius: 20px;
}

.ai-tool-pricing.free {
    background: rgba(0, 212, 170, 0.15);
    color: var(--ai-success);
}

.ai-tool-pricing.freemium {
    background: rgba(74, 144, 217, 0.15);
    color: var(--ai-info);
}

.ai-tool-pricing.paid {
    background: rgba(245, 166, 35, 0.15);
    color: var(--ai-warning);
}

.ai-tool-pricing.trial {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.ai-tool-pricing.opensource {
    background: rgba(0, 212, 170, 0.15);
    color: var(--ai-success);
}

.ai-tool-pricing.enterprise {
    background: rgba(236, 72, 153, 0.15);
    color: #ec4899;
}

.ai-tool-pricing.unknown {
    background: rgba(107, 114, 128, 0.15);
    color: var(--ai-text-dim);
}

/* Description */
.ai-tool-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--ai-text-muted);
    margin: 0 0 16px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Category & Tags */
.ai-tool-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.ai-tool-category {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    background: var(--ai-primary);
    color: white;
    border-radius: 20px;
    text-decoration: none;
    transition: var(--ai-transition);
}

.ai-tool-category:hover {
    background: var(--ai-primary-hover);
}

.ai-tool-tag {
    display: inline-block;
    padding: 5px 10px;
    font-size: 11px;
    background: var(--ai-surface-light);
    color: var(--ai-text-muted);
    border-radius: 15px;
    border: 1px solid var(--ai-border);
}

/* Card Actions */
.ai-tool-actions {
    padding-top: 16px;
    border-top: 1px solid var(--ai-border);
}

.ai-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--ai-radius-sm);
    text-decoration: none;
    transition: var(--ai-transition);
    cursor: pointer;
    border: none;
}

.ai-tool-btn-primary {
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-primary-light));
    color: white;
}

.ai-tool-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(74, 144, 217, 0.4);
}

.ai-tool-btn-primary svg {
    transition: transform 0.2s ease;
}

.ai-tool-btn-primary:hover svg {
    transform: translate(2px, -2px);
}

.ai-tool-btn-secondary {
    background: var(--ai-surface-light);
    border: 1px solid var(--ai-border);
    color: var(--ai-text);
}

.ai-tool-btn-secondary:hover {
    background: var(--ai-surface-hover);
}

/* ============================================
   No Results
   ============================================ */
.ai-tools-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    background: var(--ai-surface);
    border-radius: var(--ai-radius);
    border: 1px solid var(--ai-border);
}

.ai-tools-no-results svg {
    color: var(--ai-text-dim);
    margin-bottom: 20px;
}

.ai-tools-no-results h3 {
    font-size: 22px;
    color: var(--ai-text);
    margin: 0 0 8px 0;
}

.ai-tools-no-results p {
    color: var(--ai-text-muted);
    margin: 0 0 24px 0;
}

/* ============================================
   Pagination
   ============================================ */
.ai-tools-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    padding: 20px;
    background: var(--ai-surface);
    border-radius: var(--ai-radius);
    border: 1px solid var(--ai-border);
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--ai-radius-sm);
    text-decoration: none;
    transition: var(--ai-transition);
    color: var(--ai-text-muted);
    background: var(--ai-surface-light);
    border: 1px solid var(--ai-border);
}

.page-link:hover {
    border-color: var(--ai-primary);
    color: var(--ai-primary);
}

.page-link.current {
    background: var(--ai-primary);
    border-color: var(--ai-primary);
    color: white;
}

.page-link.prev,
.page-link.next {
    padding: 0 16px;
}

.page-dots {
    padding: 0 8px;
    color: var(--ai-text-dim);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
    .ai-tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 992px) {
    .ai-tools-sidebar {
        display: none;
    }

    .ai-tools-sidebar.show {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: 100%;
        background: var(--ai-background);
        z-index: 1000;
        padding: 20px;
        overflow-y: auto;
    }

    .mobile-filters-toggle {
        display: flex;
    }

    .ai-tools-topbar {
        flex-direction: column;
        gap: 16px;
    }

    .ai-tools-search-box {
        max-width: 100%;
    }

    .ai-tools-stats {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .ai-tools-wrapper {
        padding: 16px;
    }

    .ai-tools-grid {
        grid-template-columns: 1fr;
    }

    .ai-tools-toolbar {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .results-info {
        text-align: center;
    }

    .sort-options {
        justify-content: center;
    }

    .ai-tools-pagination {
        flex-wrap: wrap;
    }

    .page-link.prev,
    .page-link.next {
        flex: 1;
        min-width: 120px;
    }

    .active-filters {
        flex-direction: column;
        align-items: flex-start;
    }

    .clear-all-filters {
        margin-left: 0;
        margin-top: 8px;
    }
}

@media (max-width: 480px) {
    .ai-tool-card-inner {
        padding: 20px;
    }

    .ai-tool-title {
        font-size: 16px;
    }

    .page-numbers {
        flex-wrap: wrap;
        justify-content: center;
    }
}

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

.ai-tool-card {
    animation: fadeIn 0.3s ease-out;
}

.ai-tool-card:nth-child(2) { animation-delay: 0.05s; }
.ai-tool-card:nth-child(3) { animation-delay: 0.1s; }
.ai-tool-card:nth-child(4) { animation-delay: 0.15s; }
.ai-tool-card:nth-child(5) { animation-delay: 0.2s; }
.ai-tool-card:nth-child(6) { animation-delay: 0.25s; }

/* Loading state */
.ai-tools-grid.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* ============================================
   Categories Shortcode Styles
   ============================================ */
.ai-tools-categories-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ai-tools-categories-pills .category-item {
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    background: var(--ai-surface);
    border: 1px solid var(--ai-border);
    border-radius: 25px;
    color: var(--ai-text-muted);
    text-decoration: none;
    transition: var(--ai-transition);
}

.ai-tools-categories-pills .category-item:hover {
    border-color: var(--ai-primary);
    color: var(--ai-primary);
}

.ai-tools-categories-pills .category-item .count {
    color: var(--ai-text-dim);
    font-size: 12px;
}

.ai-tools-categories-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ai-tools-categories-list .category-item {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid var(--ai-border);
    color: var(--ai-text);
    text-decoration: none;
    transition: var(--ai-transition);
}

.ai-tools-categories-list .category-item:hover {
    background: var(--ai-surface-hover);
    color: var(--ai-primary);
}

.ai-tools-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.ai-tools-categories-grid .category-item {
    padding: 20px;
    background: var(--ai-surface);
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius);
    color: var(--ai-text);
    text-decoration: none;
    text-align: center;
    transition: var(--ai-transition);
}

.ai-tools-categories-grid .category-item:hover {
    border-color: var(--ai-primary);
    transform: translateY(-2px);
}

/* ============================================
   LLM Version Badge
   ============================================ */
.ai-llm-version-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--ai-primary) 0%, var(--ai-primary-hover) 100%);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ai-tool-title a .ai-llm-version-badge {
    font-size: 10px;
    padding: 2px 6px;
}