/* FAQ Portal - Stylesheet */

:root {
    --primary: #5D5CDE;
    --primary-dark: #4a49b3;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --light: #f8f9fa;
    --dark: #212529;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --border-radius: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo i {
    font-size: 1.5rem;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.main-nav .nav-link {
    padding: 8px 16px;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.main-nav .nav-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.main-nav .nav-link.active {
    background: var(--primary);
    color: white;
}

/* Search Section */
.search-section {
    background: linear-gradient(135deg, var(--primary) 0%, #7c7ce5 100%);
    padding: 40px 0;
}

.search-form-large {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.search-form-large input {
    flex: 1;
    padding: 18px 24px;
    border: none;
    font-size: 1.1rem;
    outline: none;
}

.search-form-large input::placeholder {
    color: var(--gray-400);
}

.search-form-large button {
    padding: 18px 30px;
    background: var(--gray-800);
    color: white;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-form-large button:hover {
    background: var(--gray-900);
}

/* Legacy search form (keep for backwards compatibility) */
.search-form {
    display: flex;
    max-width: 400px;
    flex: 1;
}

.search-form input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid var(--gray-200);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-form button {
    padding: 10px 18px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.search-form button:hover {
    background: var(--primary-dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #7c7ce5 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section h2 {
    font-size: 1.75rem;
    margin-bottom: 30px;
    color: var(--gray-800);
}

/* Categories Horizontal Scroll */
.categories-section {
    background: white;
}

.categories-scroll {
    overflow-x: auto;
    margin: 0 -20px;
    padding: 0 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

.categories-scroll::-webkit-scrollbar {
    height: 6px;
}

.categories-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.categories-scroll::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.categories-container {
    display: flex;
    gap: 20px;
    padding-bottom: 15px;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--gray-100);
    border-radius: var(--border-radius);
    padding: 25px 20px;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.category-card.active {
    border-color: var(--cat-color, var(--primary));
    box-shadow: var(--shadow);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--cat-color, var(--primary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
}

.category-card h3 {
    font-size: 0.95rem;
    color: var(--gray-800);
    margin-bottom: 5px;
    font-weight: 600;
}

.category-count {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* FAQ Grid */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.faq-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.faq-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 20px;
    width: fit-content;
}

.faq-card h3 {
    font-size: 1rem;
    color: var(--gray-800);
    line-height: 1.4;
}

.faq-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.faq-keyword {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: auto;
}

.faq-views {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: auto;
}

/* Category Hero */
.category-hero, .faq-hero {
    background: linear-gradient(135deg, var(--cat-color, var(--primary)) 0%, color-mix(in srgb, var(--cat-color, var(--primary)) 70%, white) 100%);
    color: white;
    padding: 40px 0;
}

.breadcrumb {
    display: flex;
    gap: 10px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 25px;
}

.category-icon-large {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.category-header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.category-header p {
    opacity: 0.9;
    margin-bottom: 8px;
}

.keyword-count {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Keywords Grid */
.keywords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.keyword-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.keyword-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.keyword-card h3 {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.keyword-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--gray-500);
}

.keyword-meta i {
    margin-right: 5px;
}

/* FAQ Accordion */
.faq-hero h1 {
    font-size: 1.75rem;
    margin-bottom: 15px;
}

.faq-meta {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.faq-meta i {
    margin-right: 5px;
}

.faq-content {
    background: white;
}

.faq-accordion {
    max-width: 800px;
}

.accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.accordion-header:hover {
    background: var(--gray-100);
}

.accordion-number {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
    font-weight: 600;
    font-size: 1rem;
    color: var(--gray-800);
}

.accordion-icon {
    color: var(--gray-500);
    transition: var(--transition);
}

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

.accordion-content {
    display: none;
    padding: 0 20px 20px 67px;
}

.accordion-content p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Related Topics */
.related-topics {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.related-topics h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--gray-700);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gray-100);
    color: var(--gray-700);
    font-size: 0.85rem;
    border-radius: 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--primary-dark);
}

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

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

.back-link {
    margin-top: 40px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-600);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: 20px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.page-link:hover {
    box-shadow: var(--shadow);
}

.page-info {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Search Results */
.search-results h2 {
    margin-bottom: 20px;
}

.no-results {
    text-align: center;
    padding: 40px;
    color: var(--gray-600);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.faq-list .faq-card {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
}

.faq-list .faq-card h3 {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: var(--gray-400);
    padding: 30px 0;
    text-align: center;
    margin-top: 40px;
}

/* News Cards */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.news-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.news-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c7ce5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 10px;
}

.news-card-meta i {
    margin-right: 5px;
}

.news-card h3 {
    font-size: 1.15rem;
    color: var(--gray-800);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    flex: 1;
}

.news-card-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 20px;
    margin-top: 15px;
    width: fit-content;
}

/* News Detail */
.news-hero {
    background: linear-gradient(135deg, var(--primary) 0%, #7c7ce5 100%);
    color: white;
    padding: 60px 0;
}

.news-hero h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.news-content {
    background: white;
    padding: 40px 0;
}

.news-content .container {
    max-width: 800px;
}

.news-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.news-body p {
    margin-bottom: 20px;
}

/* How-To Cards */
.howto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.howto-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.howto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.howto-card-header {
    height: 160px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.howto-card-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.howto-card-icon {
    color: white;
    font-size: 3rem;
    opacity: 0.9;
}

.howto-difficulty {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 12px;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.howto-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.howto-card h3 {
    font-size: 1.1rem;
    color: var(--gray-800);
    margin-bottom: 10px;
    line-height: 1.4;
}

.howto-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    flex: 1;
}

.howto-card-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 15px;
}

.howto-card-meta i {
    margin-right: 4px;
}

.howto-card-category {
    display: inline-block;
    padding: 4px 12px;
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 20px;
    margin-top: 12px;
    width: fit-content;
}

/* How-To Detail */
.howto-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
}

.howto-hero h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.howto-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.9rem;
    align-items: center;
    margin-bottom: 15px;
}

.howto-meta i {
    margin-right: 5px;
}

.howto-difficulty-badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.howto-excerpt {
    opacity: 0.9;
    max-width: 700px;
    margin-top: 10px;
}

.howto-content {
    background: white;
    padding: 50px 0;
}

.howto-content .container {
    max-width: 800px;
}

.howto-steps {
    position: relative;
}

.howto-steps::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gray-200);
}

.howto-step {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding-top: 10px;
}

.step-content h3 {
    font-size: 1.2rem;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.step-text {
    color: var(--gray-600);
    line-height: 1.7;
}

.step-image {
    max-width: 100%;
    border-radius: var(--border-radius);
    margin-top: 15px;
    box-shadow: var(--shadow-sm);
}

.howto-complete {
    text-align: center;
    padding: 40px;
    background: #d4edda;
    border-radius: var(--border-radius);
    margin: 40px 0;
}

.howto-complete i {
    font-size: 3rem;
    color: #28a745;
    margin-bottom: 15px;
}

.howto-complete h3 {
    color: #155724;
    margin-bottom: 10px;
}

.howto-complete p {
    color: #155724;
}

.related-howtos {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.related-howtos h3 {
    font-size: 1.25rem;
    color: var(--gray-800);
}

/* Responsive */
@media (max-width: 992px) {
    .main-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
        height: auto;
        padding: 15px 20px;
    }

    .search-form {
        order: 3;
        max-width: 100%;
        width: 100%;
        margin-top: 10px;
    }

    .search-section {
        padding: 25px 0;
    }

    .search-form-large {
        flex-direction: column;
    }

    .search-form-large input {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .search-form-large button {
        justify-content: center;
        padding: 15px 20px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .category-header {
        flex-direction: column;
        text-align: center;
    }

    .category-header h1 {
        font-size: 1.5rem;
    }

    .accordion-content {
        padding-left: 20px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .howto-grid {
        grid-template-columns: 1fr;
    }

    .howto-step {
        gap: 15px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .howto-steps::before {
        left: 19px;
    }
}