/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Color palette */
    --cream: #edeec0;
    --drab-dark-brown: #433e0e;
    --reseda-green: #7c9082;
    --sage-2: #a7a284;
    --sage: #d0c88e;
    
    /* SWAPPED: Dark background, light text */
    --color-bg: var(--cream);           /* Dark brown background */
    --color-text: var(--drab-dark-brown);         /* Cream text */
    --color-text-light: var(--sage);   /* Sage-2 for lighter text */
    --color-border: var(--sage-2);       /* Sage for borders */
    --color-accent: var(--reseda-green);       /* Reseda green for accents */
    --color-accent-hover: var(--sage); /* Sage-2 for hover */
    --color-code-bg: #5a5418;      /* Darker brown for code */
    --color-code-border: var(--sage-2);  /* Sage for code borders */
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --shadow-sm: 0 1px 3px 0 rgba(237, 238, 192, 0.1), 0 1px 2px 0 rgba(237, 238, 192, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(237, 238, 192, 0.1), 0 2px 4px -1px rgba(237, 238, 192, 0.06);
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Keep the same scheme since we're already using dark background */
        --color-bg: var(--cream);
        --color-text: var(--drab-dark-brown);
        --color-text-light: var(--sage-2);
        --color-border: var(--sage);
        --color-code-bg: #5a5418;
        --color-code-border: var(--reseda-green);
    }
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    font-size: 16px;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 3rem;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-text {
    flex: 0 0 60%; /* 60% width, no grow/shrink */
}

/* Logo positioning fixes */
.header-logo {
    flex: 0 0 40%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    min-height: 120px; /* Ensure consistent height */
}

.logo-main {
    max-width: 100%;
    max-height: 120px;
    cursor: pointer;
    display: block;
    object-fit: contain;
    /* No positioning - let flexbox handle it */
}

.logo-alt {
    /* Position alt logo exactly on top of main logo */
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    max-height: 120px;
    cursor: pointer;
    display: none;
    object-fit: contain;
}

/* Remove any transforms during interaction */
.logo-main:active {
    transform: none !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-logo {
        min-height: 100px;
    }
    
    .logo-main, .logo-alt {
        max-height: 100px;
    }
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--reseda-green); /* Make site title green */
}

.header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.header a {
    color: var(--reseda-green); /* Make site title link green */
    text-decoration: none;
}

.header a:hover {
    color: var(--color-accent-hover);
}

/* Navigation */
.nav {
    margin-top: 1rem;
}

.nav a {
    color: var(--color-text-light);
    text-decoration: none;
    margin-right: 2rem;
    font-weight: 500;
}

.nav a:hover {
    color: var(--color-accent);
}

.nav a.active {
    color: var(--color-accent);
}

/* Main content */
.main {
    min-height: 70vh;
}

/* Gist list - override the 32px row-gap */
.gist-list {
    margin: 0 !important;
    padding: 0 !important;
    row-gap: 0rem !important; /* Override the 32px gap */
    gap: 0rem !important;
    grid-gap: 0rem !important;
    column-gap: 0 !important;
}

/* Force tight spacing on gist cards */
.gist-card {
    margin: 0 !important;
    padding: 1rem !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--reseda-green); /* Beautiful green headers */
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* Image containers in markdown */
p img {
    margin: 1rem auto;
}

/* Lightbox Styles */
.lightbox-overlay {
    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: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-overlay.lightbox-active {
    opacity: 1;
    visibility: visible;
}

.lightbox-container {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    cursor: default;
    margin: 0;
}

.lightbox-image:hover {
    transform: none;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 10px;
    line-height: 1;
    transition: opacity 0.2s ease;
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-caption {
    color: white;
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    max-width: 80%;
}

/* Responsive image handling */
@media (max-width: 768px) {
    img {
        margin: 1rem auto;
        border-radius: 2px;
    }
    
    .lightbox-container {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .lightbox-close {
        top: -40px;
        font-size: 1.5rem;
    }
    
    .lightbox-caption {
        font-size: 0.8rem;
    }
}

/* Footer */
.footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Enhanced Code Blocks - FIXED VERSION */
.code-block-wrapper {
    margin: 1.5rem 0;
    border-radius: 8px;
    background: var(--sage);
    border: 1px solid var(--sage);
    overflow: hidden;
    position: relative;
}

/* Header Styles */
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--sage);
    border-bottom: 1px solid var(--sage-2);
    font-size: 0.875rem;
}

.code-language {
    color: var(--sage);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.code-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.code-info {
    color: var(--sage);
    font-size: 0.75rem;
}

/* Copy Button */
.copy-button {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--cream);
    border: 1px solid var(--reseda-green);
    border-radius: 4px;
    color: var(--reseda-green);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-button:hover {
    background: var(--sage-2);
    border-color: var(--reseda-green);
    color: var(--sage);
}

.copy-button.copied {
    background: var(--reseda-green);
    border-color: var(--reseda-green);
    color: var(--cream);
}

.copy-button.error {
    background: #c53030;
    border-color: #c53030;
    color: var(--cream);
}

/* Pre and Code Elements - FIXED HORIZONTAL SCROLLING WITH LINE NUMBERS */
.code-block-wrapper pre {
    margin: 0 !important;
    padding: 1rem !important;
    background: var(--sage-2) !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    white-space: pre !important;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace !important;
    font-size: 0.875rem !important;
    line-height: 1.5 !important;
    color: var(--cream) !important;
    border: none !important;
    border-radius: 0 !important;
    position: relative !important;
    /* Better scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--sage) var(--sage-2);
}

/* Line numbers styling */
.code-block-wrapper pre.line-numbers {
    padding-left: 3.5rem !important;
}

.line-numbers-rows {
    /* JavaScript handles all positioning */
}

.code-block-wrapper code {
    background: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    font-family: inherit !important;
    font-size: inherit !important;
    color: inherit !important;
    white-space: pre !important;
    word-wrap: normal !important;
    overflow-wrap: normal !important;
}

/* Webkit scrollbar styling */
.code-block-wrapper pre::-webkit-scrollbar {
    height: 8px;
}

.code-block-wrapper pre::-webkit-scrollbar-track {
    background: var(--sage-2);
    border-radius: 4px;
}

.code-block-wrapper pre::-webkit-scrollbar-thumb {
    background: var(--sage);
    border-radius: 4px;
}

.code-block-wrapper pre::-webkit-scrollbar-thumb:hover {
    background: var(--reseda-green);
}

/* Override Prism.js styles completely */
pre[class*="language-"] {
    background: var(--sage-2) !important;
    color: var(--cream) !important;
    border: none !important;
    margin: 0 !important;
    padding: 1rem !important;
    border-radius: 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    white-space: pre !important;
}

code[class*="language-"] {
    background: none !important;
    color: inherit !important;
    white-space: pre !important;
    word-wrap: normal !important;
    overflow-wrap: normal !important;
}

/* Syntax highlighting for the new color scheme - Override Prism defaults */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: var(--sage-2) !important;
    font-style: italic !important;
}

.token.punctuation {
    color: var(--cream) !important;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
    color: var(--sage) !important;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
    color: #b8d4c1 !important; /* Lighter green */
}

.token.operator,
.token.entity,
.token.url {
    color: var(--reseda-green) !important; /* Orange for URLs */
}

.token.atrule,
.token.attr-value,
.token.keyword {
    color: var(--reseda-green) !important;
    font-weight: 600 !important;
}

.token.function,
.token.class-name {
    color: #b8d4c1 !important;
    font-weight: 500 !important;
}

.token.regex,
.token.important,
.token.variable {
    color: var(--sage) !important;
    font-weight: 500 !important;
}

/* Override Prism's background and ensure our colors show */
code[class*="language-"],
pre[class*="language-"] {
    color: var(--cream) !important;
    background: var(--sage-2) !important;
    text-shadow: none !important;
}

/* Hide Prism's default theme completely */
.code-block-wrapper pre[class*="language-"] {
    background: var(--sage-2) !important;
    color: var(--cream) !important;
}

/* SPARQL-specific syntax highlighting */
.sparql-keyword {
    color: var(--reseda-green);
    font-weight: 600;
}

.sparql-function {
    color: #b8d4c1;
    font-weight: 500;
}

.sparql-operator {
    color: var(--sage);
    font-weight: 500;
}

.sparql-prefix {
    color: #e8ea9b;
    font-weight: 500;
}

.sparql-uri {
    color: #d4a574;
    font-style: italic;
}

.sparql-variable {
    color: var(--sage);
    font-weight: 500;
}

.sparql-string {
    color: #b8d4c1;
}

.sparql-comment {
    color: var(--sage-2);
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .code-header {
        padding: 0.5rem;
        font-size: 0.8125rem;
    }
    
    .copy-button {
        padding: 0.25rem 0.5rem;
        font-size: 0.6875rem;
    }
    
    .code-block-wrapper pre {
        padding: 0.75rem;
        font-size: 0.8125rem;
    }
}

/* Utilities */
.text-muted {
    color: var(--color-text-light);
}

.text-sm {
    font-size: 0.875rem;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

.article-title {
    font-size: 2.25rem !important;
}

/* Inline code styling */
code {
    background-color: var(--sage);
    color: var(--reseda-green);
    border: 1px solid var(--reseda-green);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

/* Override for code blocks - keep them unstyled */
.code-block-wrapper code {
    background: none !important;
    color: inherit !important;
    border: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    font-size: inherit !important;
}

pre code {
    background: none !important;
    color: inherit !important;
    border: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
}

/* Search Interface Styles */
.search-container {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.search-box {
    position: relative;
    margin-bottom: 1rem;
}

#search-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 1rem;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s ease;
}

#search-input:focus {
    outline: none;
    border-color: var(--reseda-green);
    box-shadow: 0 0 0 3px rgba(124, 144, 130, 0.1);
}

#search-input::placeholder {
    color: var(--color-text-light);
}

.clear-button {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.2s ease;
}

.clear-button:hover {
    color: var(--color-text);
}

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

.filter-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.9rem;
}

.tag-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-filter-button {
    padding: 0.375rem 0.75rem;
    background: var(--reseda-green);
    color: var(--cream);
    border: 1px solid var(--reseda-green);
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.tag-filter-button:hover {
    background: var(--sage);
    transform: translateY(-1px);
}

.tag-filter-button.active {
    background: var(--sage);
    color: var(--reseda-green);
    border-color: var(--sage);
}

.clear-filters-button {
    padding: 0.375rem 0.75rem;
    background: var(--color-bg);
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
    border-radius: 0.25rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-filters-button:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.search-info {
    padding: 0.5rem 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
}

.no-results {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-light);
}

.no-results h3 {
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

/* Highlight search terms in results */
.search-highlight {
    background: var(--sage);
    color: var(--drab-dark-brown);
    padding: 0.1rem 0.2rem;
    border-radius: 0.2rem;
    font-weight: 500;
}

/* Hide/show states for search */
.gist-card.hidden {
    display: none;
}

.gist-card.search-result {
    animation: fadeIn 0.3s ease;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .search-container {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .search-filters {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .filter-group {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .tag-filter-buttons {
        width: 100%;
    }
    
    .tag-filter-button {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

/* Header anchor links */
.header-link {
    color: var(--color-text-light);
    text-decoration: none;
    margin-left: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
    font-weight: normal;
    font-size: 0.8em;
    vertical-align: middle;
}

/* Show link on heading hover */
h2:hover .header-link,
h3:hover .header-link,
h4:hover .header-link,
h5:hover .header-link,
h6:hover .header-link {
    opacity: 0.7;
}

/* Style link on hover */
.header-link:hover {
    opacity: 1 !important;
    color: var(--color-accent);
    text-decoration: none;
}

/* Focus styles for accessibility */
.header-link:focus {
    opacity: 1;
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Ensure headings with links are positioned properly for scroll offset */
h2[id], h3[id], h4[id], h5[id], h6[id] {
    scroll-margin-top: 2rem; /* Accounts for any fixed headers */
}