/* Help Center Theme Colors */
:root {
    --help-primary: #4A90E2; /* Professional Blue */
    --help-primary-dark: #357ABD; /* Darker Blue */
    --help-primary-light: #EAF2FA; /* Lighter Blue */
    --help-secondary: #4A4A4A; /* Dark Gray for text */
    --help-accent: #F5A623; /* Warm Accent (Orange/Yellow) */
    --help-light: #FDFDFD; /* Off-white background */
    --help-dark: #333333; /* Very Dark Gray for headings/strong text */
    --help-gray: #7F8C8D; /* Medium Gray for subtext */
    --help-success: #27AE60;
    --help-danger: #C0392B;
    --help-warning: #F39C12;
    --help-info: #2980B9;
    --help-border-radius: 0.5rem; /* Softer corners */
    --help-border-radius-lg: 0.75rem;
    --help-box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --help-box-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --help-transition: all 0.25s ease-in-out;
    --help-border: #E0E0E0; /* Lighter border color */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: 'Georgia', Cambria, "Times New Roman", Times, serif;
}

/* Global Styles */
body {
    font-family: var(--font-sans);
    background-color: var(--help-light);
    color: var(--help-secondary);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Removed complex background gradients for a cleaner look */
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--help-dark);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 1.5em;
    margin-bottom: 0.75em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

a {
    color: var(--help-primary);
    text-decoration: none;
    transition: var(--help-transition);
}

a:hover {
    color: var(--help-primary-dark);
    text-decoration: underline;
}

.container {
    max-width: 1140px; /* Standard container width */
}

/* Helper class for a subtle text color */
.text-muted-soft {
    color: var(--help-gray) !important;
    font-size: 0.9rem;
}

/* Help Center Navigation */
.help-navbar {
    background: linear-gradient(135deg, var(--help-primary) 0%, var(--help-accent) 100%);
    padding: 1rem 0;
    box-shadow: var(--help-box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.help-navbar .navbar-brand {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.help-navbar .nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.75rem 1.25rem;
    transition: var(--help-transition);
    border-radius: var(--help-border-radius);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.help-navbar .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: var(--help-transition);
}

.help-navbar .nav-link:hover::before {
    transform: translateX(0);
}

.help-navbar .nav-link:hover {
    color: white;
    transform: translateY(-2px);
}

/* Hero Section - General Styling */
.help-hero {
    padding: 4rem 1rem;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    background-color: var(--help-primary-light);
    border-bottom: 1px solid var(--help-border);
}

.help-hero .container {
    position: relative;
    z-index: 2;
}

/* Decorative elements for hero */
.help-hero::before, .help-hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    background-color: var(--help-primary);
    z-index: 1;
}

.help-hero::before {
    width: 200px;
    height: 200px;
    top: -50px;
    left: -50px;
    transform: scale(1.5);
}

.help-hero::after {
    width: 300px;
    height: 300px;
    bottom: -100px;
    right: -100px;
    transform: scale(1.2);
}

/* Hero titles and text */
.help-hero h1, .help-hero .display-4 {
    color: var(--help-dark);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.help-hero p, .help-hero .lead {
    color: var(--help-secondary);
    font-size: 1.1rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

/* Search-specific hero adjustments (from search.php styles) */
.help-hero.search-hero-variant {
    background: var(--search-gradient, var(--help-primary-light)); /* Use search gradient if defined, else default */
    padding: 4rem 0 6rem; 
    margin-bottom: -4rem; 
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.help-hero.search-hero-variant::before {
    background: radial-gradient(circle at 20% 150%, rgba(var(--help-primary-rgb, 74,144,226), 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% -50%, rgba(var(--help-primary-rgb, 74,144,226), 0.08) 0%, transparent 50%);
    opacity: 1; /* Override general opacity if using this complex background */
    width: 100%; height: 100%; top: 0; left: 0; transform: none; border-radius: 0;
}
.help-hero.search-hero-variant::after { display: none; } /* Hide the second decorator */

.help-hero.search-hero-variant .search-stats p {
    color: var(--help-dark);
    font-weight: 500;
    font-size: 1.1rem;
}


/* Search Box in Hero */
.help-hero .search-box {
    background: white;
    padding: 1.5rem;
    border-radius: var(--help-border-radius-lg);
    box-shadow: var(--help-box-shadow-lg);
    margin-top: 2rem;
    transition: var(--help-transition);
}

.help-hero .search-box:focus-within {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.help-hero .search-input-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--help-light);
    padding: 0.75rem 1.25rem;
    border-radius: var(--help-border-radius);
    border: 1px solid var(--help-border);
}

.help-hero .search-input-group:focus-within {
    border-color: var(--help-primary);
    box-shadow: 0 0 0 3px rgba(var(--help-primary-rgb, 74,144,226), 0.2);
}

.help-hero .search-input-group i {
    color: var(--help-primary);
    font-size: 1.2rem;
}

.help-hero .search-input {
    border: none;
    background: none;
    width: 100%;
    font-size: 1rem;
    color: var(--help-dark);
    padding: 0.5rem 0;
}

.help-hero .search-input:focus {
    outline: none;
}

.help-hero .search-input::placeholder {
    color: var(--help-gray);
}

/* Search Box */
.search-container {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.search-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1.5rem;
    border-radius: var(--help-border-radius);
    backdrop-filter: blur(10px);
    box-shadow: var(--help-box-shadow);
}

.search-input {
    background: white;
    border: none;
    padding: 1.25rem 1.5rem;
    border-radius: var(--help-border-radius);
    width: 100%;
    font-size: 1.1rem;
    box-shadow: var(--help-box-shadow);
    transition: var(--help-transition);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(253, 126, 20, 0.3);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: var(--help-border-radius);
    box-shadow: var(--help-box-shadow-lg);
    margin-top: 1rem;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.search-result-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--help-border);
    display: block;
    color: var(--help-dark);
    text-decoration: none;
    transition: var(--help-transition);
}

.search-result-item:hover {
    background: var(--help-primary-light);
}

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

.result-category {
    font-size: 0.9rem;
    color: var(--help-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.result-preview {
    font-size: 0.9rem;
    color: var(--help-gray);
}

/* Category Cards */
.category-card {
    background: white;
    border-radius: var(--help-border-radius-lg);
    padding: 2rem;
    height: 100%;
    transition: var(--help-transition);
    border: 1px solid var(--help-border);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--help-primary), var(--help-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--help-transition);
}

.category-card:hover::before {
    transform: scaleX(1);
}

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

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--help-primary);
    transition: var(--help-transition);
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Article Cards */
.article-card {
    background: white;
    border-radius: var(--help-border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--help-transition);
    border: 1px solid var(--help-border);
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.article-card:hover {
    transform: translateX(10px);
    box-shadow: var(--help-box-shadow);
}

.article-icon {
    font-size: 1.5rem;
    color: var(--help-primary);
    padding: 1rem;
    background: var(--help-primary-light);
    border-radius: var(--help-border-radius);
    transition: var(--help-transition);
}

.article-card:hover .article-icon {
    transform: rotate(15deg);
    background: var(--help-primary);
    color: white;
}

/* Article Content */
.article-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    background: white;
    padding: 2.5rem;
    border-radius: var(--help-border-radius-lg);
    box-shadow: var(--help-box-shadow);
}

.article-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--help-border);
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--help-dark);
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--help-gray);
    font-size: 0.9rem;
}

.article-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    color: var(--help-dark);
    font-weight: 700;
    font-size: 1.75rem;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--help-dark);
    font-weight: 600;
    font-size: 1.5rem;
}

.article-content p {
    margin-bottom: 1.5rem;
    color: var(--help-secondary);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    color: var(--help-secondary);
    padding-left: 1.25rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--help-border-radius);
    margin: 2rem 0;
    box-shadow: var(--help-box-shadow);
}

/* Table of Contents */
.table-of-contents {
    position: sticky;
    top: 100px;
    background: white;
    border-radius: var(--help-border-radius);
    padding: 1.5rem;
    box-shadow: var(--help-box-shadow);
    max-height: calc(100vh - 150px);
    overflow-y: auto;
}

.toc-title {
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--help-border);
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-item {
    margin-bottom: 0.5rem;
}

.toc-h2 {
    padding-left: 0;
}

.toc-h3 {
    padding-left: 1.25rem;
}

.toc-link {
    color: var(--help-secondary);
    text-decoration: none;
    transition: var(--help-transition);
    display: block;
    padding: 0.5rem;
    border-radius: var(--help-border-radius);
}

.toc-link:hover,
.toc-link.active {
    color: var(--help-primary);
    background: var(--help-primary-light);
}

/* Feedback Section */
.feedback-section {
    background: white;
    border-radius: var(--help-border-radius);
    padding: 2rem;
    margin-top: 3rem;
    border: 1px solid var(--help-border);
}

.feedback-title {
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.feedback-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.feedback-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--help-border-radius);
    border: 1px solid var(--help-border);
    background: white;
    color: var(--help-secondary);
    transition: var(--help-transition);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feedback-btn:hover {
    background: var(--help-primary-light);
    transform: translateY(-2px);
}

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

.feedback-text {
    display: none;
    margin-top: 1.5rem;
}

.feedback-text textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--help-border);
    border-radius: var(--help-border-radius);
    resize: vertical;
    min-height: 100px;
}

.feedback-success {
    text-align: center;
    padding: 2rem;
}

.feedback-success i {
    font-size: 3rem;
    color: var(--help-success);
    margin-bottom: 1rem;
}

/* Related Articles */
.related-articles {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--help-border);
}

.related-title {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.related-article-card {
    padding: 1rem;
    border-radius: var(--help-border-radius);
    transition: var(--help-transition);
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--help-secondary);
    text-decoration: none;
}

.related-article-card:hover {
    background: var(--help-primary-light);
    color: var(--help-primary);
}

/* Image Preview Modal */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    padding: 2rem;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
}

.modal-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--help-border-radius);
}

.close-modal {
    position: absolute;
    top: -2rem;
    right: -2rem;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--help-transition);
}

.close-modal:hover {
    transform: rotate(90deg);
}

/* Code Block Styles */
pre {
    background: var(--help-dark);
    color: white;
    padding: 1.5rem;
    border-radius: var(--help-border-radius);
    position: relative;
    margin: 1.5rem 0;
}

.copy-code-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: var(--help-border-radius);
    cursor: pointer;
    transition: var(--help-transition);
}

.copy-code-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --help-light: #1a1a1a;
        --help-dark: #ffffff;
        --help-secondary: #a3a3a3;
        --help-border: #2d2d2d;
    }
    
    body {
        background-image: 
            radial-gradient(circle at 20% 20%, rgba(253, 126, 20, 0.05) 0%, transparent 20%),
            radial-gradient(circle at 80% 50%, rgba(255, 193, 7, 0.05) 0%, transparent 40%),
            radial-gradient(circle at 40% 90%, rgba(230, 106, 0, 0.05) 0%, transparent 30%);
    }

    .category-card,
    .article-card,
    .article-content,
    .table-of-contents,
    .feedback-section,
    .search-results {
        background: #2d2d2d;
    }

    .search-input {
        background: #2d2d2d;
        color: white;
    }

    .article-icon {
        background: rgba(253, 126, 20, 0.2);
    }

    pre {
        background: #000000;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .help-hero {
        padding: 3rem 0;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .article-card {
        flex-direction: column;
    }
    
    .article-icon {
        font-size: 1.25rem;
        padding: 0.75rem;
    }

    .article-content {
        padding: 1.5rem;
    }

    .table-of-contents {
        position: static;
        margin-bottom: 2rem;
    }

    .search-input {
        padding: 1rem;
        font-size: 1rem;
    }
}

/* Card - General Styling */
.card, .category-card, .article-card, .feedback-section, .related-articles, .no-results {
    background: white;
    border-radius: var(--help-border-radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--help-border);
    box-shadow: var(--help-box-shadow);
    transition: var(--help-transition);
    position: relative; /* For pseudo-elements or positioned children */
}

.card:hover, .category-card:hover, .article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--help-box-shadow-lg);
}

/* Adding a top border accent on hover for cards */
.category-card::before, .article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--help-primary);
    opacity: 0;
    transition: var(--help-transition);
    border-radius: var(--help-border-radius-lg) var(--help-border-radius-lg) 0 0;
}

.category-card:hover::before, .article-card:hover::before {
    opacity: 1;
    height: 6px; /* Slightly expand on hover */
}

/* Card titles and text */
.card-title, .category-card .h5, .article-card .article-title {
    color: var(--help-dark);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card-text, .category-card p, .article-card .article-preview {
    color: var(--help-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Buttons - General Styling */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--help-border-radius);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--help-transition);
    border: 1px solid transparent;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: var(--help-primary-dark);
    border-color: var(--help-primary-dark);
    color: white; /* Ensure text color remains white */
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(var(--help-primary-rgb, 74,144,226), 0.3);
}

.btn-secondary {
    background-color: var(--help-secondary);
    color: white;
    border-color: var(--help-secondary);
}

.btn-secondary:hover {
    background-color: var(--help-dark);
    border-color: var(--help-dark);
    color: white;
}

.btn-outline-primary {
    color: var(--help-primary);
    border-color: var(--help-primary);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}


/* Breadcrumb Styling */
.breadcrumb-container {
    background-color: var(--help-light);
    padding: 0.75rem 1rem;
    border-radius: var(--help-border-radius);
    margin-bottom: 2rem; 
    border: 1px solid var(--help-border);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

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

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

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--help-gray);
    padding-right: .75rem;
    padding-left: .75rem;
}