/* ==========================================================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ========================================================================== */

:root {
    /* Colors - Graphite Theme */
    --bg-primary: #111111;
    --bg-secondary: #1b1b1b;
    --text-primary: #d1d1d1;
    --text-secondary: #8c8c8c;
    --text-accent: #9ad200;
    --border-primary: #3a3a3a;
    --border-secondary: rgba(154, 210, 0, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.4em;
    --spacing-sm: 0.8em;
    --spacing-md: 1em;
    --spacing-lg: 1.5em;
    --spacing-xl: 2em;
    --spacing-xxl: 3em;
    
    /* Typography */
    --font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    --font-size-base: 1em;
    --font-size-sm: 0.9em;
    --font-size-lg: 1.1em;
    --font-size-xl: 1.2em;
    --font-size-xxl: 1.4em;
    --font-size-hero: 2em;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 0px;
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.4s;
    
    /* Z-index */
    --z-nav: 999;
    --z-header: 100;
    --z-entry: 2;
    --z-timeline: 1;
}

/* ==========================================================================
   GLOBAL STYLES
   ========================================================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal) ease, color var(--transition-normal) ease;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

header {
    background-color: transparent;
    padding: 0;
    text-align: center;
    border: none;
    position: relative;
    z-index: var(--z-header);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    background: var(--bg-secondary);
    padding: 0.8em 0;
    z-index: var(--z-nav);
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: normal;
    padding: 0.8em var(--spacing-md);
    border-radius: var(--border-radius);
    text-transform: uppercase;
    display: inline-block;
    min-width: 4em;
    text-align: center;
}

nav a:hover, 
nav a.active {
    color: var(--bg-primary);
    background: var(--text-primary);
}


/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */

.container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    padding-top: 4.5em;
    overflow-x: hidden;
}

main {
    flex: 1;
}

section {
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

#hero {
    text-align: left;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    margin: var(--spacing-md);
    border: 2px solid var(--border-primary);
    font-family: var(--font-family);
}

#hero h1 {
    font-size: var(--font-size-hero);
    margin-bottom: 0.5em;
    color: var(--text-accent);
    text-transform: uppercase;
    font-weight: normal;
}

#hero p {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    line-height: 1.4;
}

/* ==========================================================================
   TABS SYSTEM
   ========================================================================== */

.home-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-container {
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-primary);
}

.tabs {
    display: inline-flex;
    margin-bottom: 2rem;
    background: var(--bg-primary);
    padding: 4px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
}

.tab-button {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-xl);
    cursor: pointer;
    font-size: var(--font-size-lg);
    transition: all var(--transition-normal) ease;
    border-radius: var(--border-radius);
    font-weight: normal;
    position: relative;
    margin: 0;
    min-width: 140px;
    text-transform: uppercase;
    font-family: var(--font-family);
}

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

.tab-button.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: 1px solid var(--text-primary);
}

.tab-content {
    width: 100%;
    position: relative;
    min-height: 200px;
    margin-top: var(--spacing-xl);
}

.content-box {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal) ease-in-out;
    width: 100%;
    border-radius: 18px;
    margin-bottom: var(--spacing-xl);
    padding: 25px;
}

.content-box.active {
    display: block;
    opacity: 1;
}

.work-content-box {
    border-radius: 18px;
    margin-bottom: var(--spacing-xl);
    padding: 25px;
    opacity: 0;
    display: none;
    transition: opacity var(--transition-slow);
}

/* Content Box Links */
.content-box ul li a {
    color: inherit !important;
    text-decoration: none !important;
    font-weight: inherit;
    transition: none;
}

.content-box ul li a:hover {
    color: inherit !important;
    text-decoration: underline dotted !important;
}

.content-box ul li a .external-link-icon {
    margin-left: 0.25em;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    vertical-align: text-bottom;
}

.content-box ul li a:hover .external-link-icon {
    opacity: 1;
}

/* ==========================================================================
   ENTRY BOXES (Work, Education, etc.)
   ========================================================================== */

.entry-box {
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    margin-bottom: var(--spacing-xl);
    padding: 25px;
    transition: opacity var(--transition-slow) ease-in-out;
    position: relative;
    z-index: var(--z-entry);
    padding-left: var(--spacing-xxl);
}

.entry-box:last-child {
    margin-bottom: 0;
}

.entry-box .entry-date {
    display: block;
    font-size: 0.95em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.entry-box h3 {
    margin-top: 0;
    margin-bottom: 0.5em;
    color: var(--text-accent);
    font-size: var(--font-size-xxl);
    text-transform: uppercase;
}

.entry-box h4 {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    border-bottom: 2px solid var(--border-primary);
    padding-bottom: var(--spacing-sm);
    display: inline-block;
    text-transform: uppercase;
}

.entry-box ul {
    list-style-type: none;
    padding-left: 0;
    margin-top: 0.5em;
}

.entry-box li {
    margin-bottom: 0.6em;
    position: relative;
    padding-left: 20px;
}

.entry-box li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--text-primary);
    font-weight: bold;
    font-size: 1.2em;
    line-height: 1;
}

.entry-box p {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.7;
}

/* Timeline connector between entry boxes */
.entry-box:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 32px;
    top: 100%;
    width: 2px;
    height: var(--spacing-xl);
    background: var(--border-primary);
    z-index: var(--z-timeline);
}

/* ==========================================================================
   SOCIAL LINKS
   ========================================================================== */

.social-links {
    display: flex;
    gap: 1.2em;
    justify-content: center;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0 0 0;
}

.social-links li {
    display: flex;
    align-items: center;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: var(--font-size-lg);
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.social-links a:hover {
    color: var(--text-accent);
}

.social-links svg {
    display: inline-block;
    vertical-align: middle;
    fill: currentColor; 
}

/* ==========================================================================
   BLOG STYLES
   ========================================================================== */

.blog-group {
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.blog-group-summary {
    cursor: pointer;
    list-style: none;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-primary);
    background: var(--bg-secondary);
    position: relative;
    padding-right: calc(var(--spacing-md) + 1.4em);
}

.blog-group-summary::-webkit-details-marker {
    display: none;
}

.blog-group-summary::marker {
    content: '';
}

.blog-group-summary::after {
    content: '▾';
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast);
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.blog-group[open] .blog-group-summary::after {
    transform: translateY(-50%) rotate(180deg);
}

.blog-group-title {
    letter-spacing: 0.04em;
}

.blog-group-count {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    text-transform: none;
    white-space: nowrap;
}

.blog-group-count-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.blog-group-count-value {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    min-width: 2ch;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.blog-group-list {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.blog-group-list .blog-entry:last-child {
    margin-bottom: 0;
}

.blog-entry {
    cursor: pointer;
    transition: transform var(--transition-fast) ease-in-out;
    padding-left: 25px !important;
}

.blog-entry:hover {
    transform: translateY(-3px);
}

/* Remove timeline connector for blog entries */
.blog-entry::after {
    display: none !important;
}

.blog-title {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.blog-title:hover {
    color: var(--text-accent);
    text-decoration: underline;
}

/* Filter controls */
.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: 0 0 var(--spacing-md);
}

.filter-button {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-button:hover,
.filter-button.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.filter-button:focus-visible {
    outline: 2px solid var(--text-accent);
    outline-offset: 2px;
}

/* Sort controls */
.sort-controls {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    border: 1px solid var(--border-secondary);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
}

.sort-controls label {
    margin-right: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.sort-controls select {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

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

/* Pinned posts */
.pinned-post {
    border: 2px solid var(--text-accent) !important;
    position: relative;
    background: var(--bg-secondary);
}

.pinned-badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--text-accent);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: 0 0 0 var(--border-radius);
}

.read-more {
    display: inline-block;
    margin: 0; /* CHANGED: remove top margin to align with .github-link */
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.read-more:hover {
    color: var(--text-accent);
    text-decoration: underline;
}

.back-link {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.back-link:hover {
    color: var(--text-accent);
}

.blog-post {
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    padding: 25px;
}

.blog-post-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
}

.blog-post-header h1 {
    margin: 0 0 0.3em 0;
    color: var(--text-accent);
}

.blog-post-content {
    line-height: 1.8;
}

/* Code block styling - Force horizontal scrolling with stronger rules */
.blog-post-content pre {
    background-color: rgba(139, 0, 0, 0.9) !important;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 1em;
    margin: 1.5em 0;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    white-space: pre !important;
    word-wrap: normal !important;
    word-break: normal !important;
    overflow-wrap: normal !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    width: 100% !important;
    display: block !important;
}

.blog-post-content pre code {
    display: block !important;
    color: #ddd;
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    white-space: pre !important;
    word-wrap: normal !important;
    word-break: normal !important;
    overflow-wrap: normal !important;
    max-width: none !important;
    background: transparent !important;
    padding: 0 !important;
    border: none !important;
    width: auto !important;
}

/* Force all parent containers to behave */
.blog-post-content {
    line-height: 1.8;
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.blog-post, .entry-box {
    max-width: 100% !important;
    min-width: 0 !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    width: 100% !important;
}

.container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    padding-top: 4.5em;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
    width: 100% !important;
}

/* Additional safety rules for any missed elements */
* {
    box-sizing: border-box;
}

pre, code {
    max-width: 100% !important;
}

/* Ensure parent containers don't overflow */
.blog-post-content {
    line-height: 1.8;
    overflow-wrap: break-word; /* Only break regular text, not code */
    word-wrap: break-word; /* Fallback for older browsers */
    max-width: 100%;
    min-width: 0;
    overflow-x: hidden; /* Hide any overflow from the content container */
}

/* Force all containers to respect width constraints */
.blog-post, .entry-box {
    max-width: 100%;
    min-width: 0;
    overflow: hidden; /* Prevent any child from breaking out */
    box-sizing: border-box;
}

.blog-post-content h2 {
    color: var(--text-accent);
    margin-top: var(--spacing-lg);
}

.blog-post-content p {
    margin: var(--spacing-md) 0;
}

.blog-post-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: var(--spacing-md) 0;
}

/* Enhanced link styling */
.blog-post-content a {
    color: #4aa8d8; /* Softer blue for graphite theme */
    text-decoration: underline; /* Always show underline */
    padding: 0px 2px; /* Small padding around links */
    border-radius: 2px;
    font-weight: 600; /* Make links slightly bolder */
    transition: all var(--transition-fast);
}

.blog-post-content a:hover {
    background-color: rgba(74, 168, 216, 0.12); /* Subtle background on hover */
    color: #7ac5f0; /* Softer hover color */
}


/* Blockquote styling */
.blog-post-content blockquote {
    background-color: rgba(128, 128, 128, 0.1);
    border-left: 4px solid var(--border-primary);
    margin: 1.5em 0;
    padding: 0.8em 1.2em;
    font-style: italic;
    color: var(--text-accent);
}

/* Inline code styling */
.blog-post-content code {
    background-color: rgba(139, 0, 0, 0.432); /* Dark red background */
    border-radius: 3px;
    padding: 0.2em 0.4em;
    font-family: 'Courier New', monospace;
    color: #ffffff; /* White text for better contrast on red */
}


.loading-spinner {
    text-align: center;
    padding: var(--spacing-xl);
    color: #a0a0a0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    border-top: none;
    padding: 0;
    font-size: 0.95em;
    background: none;
    text-align: center;
    color: inherit;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */

/* Medium screens (tablets and small desktops) */
@media (max-width: 1200px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .entry-box, 
    .content-box, 
    .work-content-box, 
    .blog-post {
        max-width: 100%;
        padding: 20px;
        margin-left: 0;
        margin-right: 0;
        overflow-wrap: break-word;
        word-break: break-word;
    }
    
    .blog-entry {
        padding: 25px;
        margin-bottom: var(--spacing-xl);
    }
    
    #hero {
        margin: 0.5em;
        padding: 4em var(--spacing-lg);
    }
    
    .tabs {
        max-width: 100%;
        overflow: hidden;
    }
    
    .tab-button {
        min-width: 120px;
        padding: 0.6rem var(--spacing-lg);
    }
}

/* Small screens (mobile) */
@media (max-width: 600px) {
    header, footer {
        padding: var(--spacing-md);
    }
    
    main {
        padding: var(--spacing-md);
    }
    
    #hero {
        padding: var(--spacing-xxl) var(--spacing-md);
        margin: var(--spacing-md);
    }
    
    #hero h1 {
        font-size: var(--font-size-hero);
    }
    
    .container {
        padding-top: 3.5em;
        padding-left: 1.2rem;
        padding-right: 1.2rem;
    }
    
    .entry-box, 
    .content-box, 
    .work-content-box {
        padding: 20px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        border-radius: 12px !important;
        box-sizing: border-box;
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        overflow-wrap: break-word;
        word-break: break-word;
    }
    
    .blog-post {
        padding: 25px !important;
        margin: var(--spacing-md) !important;
    }
    
    .blog-entry {
        padding: 25px !important;
        margin-bottom: var(--spacing-lg) !important;
    }
    
    .blog-post-header {
        padding-bottom: var(--spacing-lg) !important;
        margin-bottom: var(--spacing-lg) !important;
    }
    
    .blog-post-content {
        padding: 0 !important;
    }
    
    ul, ol {
        padding-left: 1.2em !important;
    }
    
    .tab-button {
        min-width: 100px;
        padding: 0.6rem var(--spacing-md);
        font-size: var(--font-size-base);
    }
    
    footer {
        padding: 0.3em 0;
        font-size: var(--font-size-sm);
    }
}

/* ==========================================================================
   PROFILE IMAGE
   ========================================================================== */

.profile-image {
    width: 200px;
    height: 267px; /* Maintains 3:4 aspect ratio */
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius); /* 0px for sharp corners to match your design */
    object-fit: cover;
    margin-bottom: var(--spacing-lg);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* For smaller screens */
@media (max-width: 600px) {
    .profile-image {
        width: 150px;
        height: 200px; /* Maintains 3:4 aspect ratio */
        margin-bottom: var(--spacing-md);
    }
}

/* For very small screens */
@media (max-width: 400px) {
    .profile-image {
        width: 120px;
        height: 160px; /* Maintains 3:4 aspect ratio */
    }
}


/* Blog links container */
.blog-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    align-items: center; /* NEW: vertically center the links */
}

/* GitHub link styling to match read-more */
.github-link {
    display: inline-block;
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.github-link:hover {
    color: var(--text-accent);
    text-decoration: underline;
}

/* Read more styling: remove top margin so it aligns with github-link */
.read-more {
    display: inline-block;
    margin: 0; /* CHANGED: remove top margin to align with .github-link */
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.read-more:hover {
    color: var(--text-accent);
    text-decoration: underline;
}