/*
Theme Name: Flavor AI
Theme URI: https://alopezari.wpcomstaging.com
Author: Alex Lopez
Author URI: https://alopezari.wpcomstaging.com
Description: A minimal, elegant, developer-oriented theme for AI engineering blogs. Features dark mode, monospace typography, and AI-first capabilities including llms.txt, MCP endpoint support, and structured data for AI agents.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: flavor-ai
Tags: blog, one-column, custom-menu, featured-images, translation-ready, dark-mode, developer, minimal

Flavor AI WordPress Theme © 2026 Alex Lopez
*/

/* ============================================
   CSS Variables & Reset
   ============================================ */

:root {
    /* Shared variables */
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
    --font-serif: 'Newsreader', 'Source Serif Pro', Georgia, serif;
    --max-width: 720px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
    --spacing-2xl: 80px;
    
    /* Dark mode (default) */
    --bg: #0a0a0a;
    --bg-elevated: #111111;
    --bg-hover: #1a1a1a;
    --text-primary: #e8e8e8;
    --text-secondary: #888888;
    --text-muted: #8a8a8a;
    --accent: #00ff88;
    --accent-hover: #00dd77;
    --accent-dim: rgba(0, 255, 136, 0.12);
    --border: #222222;
    --code-bg: #161616;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Light mode */
[data-theme="light"] {
    --bg: #fafafa;
    --bg-elevated: #ffffff;
    --bg-hover: #f0f0f0;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #6b6b6b;
    --accent: #047857;
    --accent-hover: #047857;
    --accent-dim: rgba(5, 150, 105, 0.1);
    --border: #e5e5e5;
    --code-bg: #f5f5f5;
    --shadow: rgba(0, 0, 0, 0.1);
}

/* System preference detection (when no manual preference set) */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]):not([data-theme="light"]) {
        --bg: #fafafa;
        --bg-elevated: #ffffff;
        --bg-hover: #f0f0f0;
        --text-primary: #1a1a1a;
        --text-secondary: #555555;
        --text-muted: #6b6b6b;
        --accent: #047857;
        --accent-hover: #047857;
        --accent-dim: rgba(5, 150, 105, 0.1);
        --border: #e5e5e5;
        --code-bg: #f5f5f5;
        --shadow: rgba(0, 0, 0, 0.1);
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 17px;
}

body {
    font-family: var(--font-serif);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--accent);
    color: var(--bg);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
    margin-bottom: 1.5em;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
a:focus {
    color: var(--accent);
}

code, pre, kbd, samp {
    font-family: var(--font-mono);
}

code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.9em;
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: var(--spacing-md);
    overflow-x: auto;
    margin-bottom: 1.5em;
}

pre code {
    background: none;
    padding: 0;
}

blockquote {
    border-left: 2px solid var(--accent);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.site-content {
    min-height: calc(100vh - 300px);
}

/* ============================================
   Header
   ============================================ */

.site-header {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-xl);
}

.site-branding .site-title {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.site-branding .site-title a {
    color: var(--text-primary);
}

.site-tagline {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
}

/* Navigation */
.main-navigation {
    display: flex;
    gap: var(--spacing-lg);
}

.main-navigation ul {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.main-navigation a {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
    position: relative;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.2s ease;
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

.main-navigation a:hover {
    color: var(--text-primary);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    cursor: pointer;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, background 0.2s ease;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

/* Show sun icon in dark mode (to switch to light) */
:root:not([data-theme="light"]) .theme-toggle .icon-sun,
[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

/* Show moon icon in light mode (to switch to dark) */
[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

/* System preference handling for toggle icon */
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]):not([data-theme="light"]) .theme-toggle .icon-sun {
        display: none;
    }
    :root:not([data-theme="dark"]):not([data-theme="light"]) .theme-toggle .icon-moon {
        display: block;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* ============================================
   Hero Section (Front Page)
   ============================================ */

.hero {
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    color: var(--accent);
    font-style: italic;
    white-space: nowrap;
}

.hero-text {
    color: var(--text-secondary);
    max-width: 600px;
}

.hero-text a {
    color: var(--text-primary);
    border-bottom: 1px solid var(--text-muted);
}

.hero-text a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ============================================
   Sections
   ============================================ */

.section {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.section-link {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   Posts List (Archive/Home)
   ============================================ */

.posts-list {
    display: flex;
    flex-direction: column;
}

.post-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
    margin: 0 calc(-1 * var(--spacing-md));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    transition: background 0.2s ease;
}

.post-item:hover {
    background: var(--bg-hover);
}

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

.post-item-title {
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
}

.post-item-title a {
    color: var(--text-primary);
}

.post-item-excerpt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.post-item-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    text-align: right;
}

.post-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--accent-dim);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
    margin-top: var(--spacing-sm);
}

/* ============================================
   Single Post
   ============================================ */

.single-post-header {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    border-bottom: 1px solid var(--border);
}

.single-post-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.single-post-title {
    font-size: 2.25rem;
    line-height: 1.25;
    margin-bottom: var(--spacing-md);
}

.single-post-excerpt {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
}

.single-post-content {
    padding: var(--spacing-xl) 0;
}

.single-post-content h2 {
    margin-top: 2em;
    margin-bottom: 0.75em;
}

.single-post-content h3 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

.single-post-content ul,
.single-post-content ol {
    margin-bottom: 1.5em;
    padding-left: 1.5em;
}

.single-post-content li {
    margin-bottom: 0.5em;
}

.single-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: var(--spacing-lg) 0;
}

/* ============================================
   Table of Contents
   ============================================ */

.toc {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.toc-title {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

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

.toc-item {
    counter-increment: toc-counter;
    margin-bottom: var(--spacing-xs);
}

.toc-item a {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    padding: var(--spacing-xs) 0;
    transition: color 0.2s;
}

.toc-item a::before {
    content: counter(toc-counter) ".";
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    min-width: 20px;
}

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

.toc-item-sub {
    margin-left: var(--spacing-lg);
}

.toc-item-sub a::before {
    content: "—";
    color: var(--border);
}

/* ============================================
   Code Block with Copy Button
   ============================================ */

.code-block-wrapper {
    position: relative;
    margin: var(--spacing-lg) 0;
}

.copy-code-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    background: var(--bg);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s, color 0.2s;
    z-index: 1;
}

.code-block-wrapper:hover .copy-code-btn {
    opacity: 1;
}

.copy-code-btn:hover {
    background: var(--border);
    color: var(--text-primary);
}

.copy-code-btn.copied {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.code-block-wrapper pre {
    margin: 0;
}

/* Post navigation */
.post-navigation {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.post-navigation a {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

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

.post-navigation .next {
    text-align: right;
}

/* ============================================
   Related Posts
   ============================================ */

.related-posts {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
}

.related-posts-title {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.related-posts-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.related-post-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.2s;
}

.related-post-item:last-child {
    border-bottom: none;
}

.related-post-item:hover {
    padding-left: var(--spacing-sm);
}

.related-post-item:hover .related-post-title {
    color: var(--accent);
}

.related-post-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.related-post-title {
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: color 0.2s;
}

/* ============================================
   Newsletter Box
   ============================================ */

.newsletter-box {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.newsletter-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.newsletter-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.newsletter-form input[type="email"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
}

.newsletter-form input[type="submit"],
.newsletter-form button {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.newsletter-form input[type="submit"]:hover,
.newsletter-form button:hover {
    opacity: 0.9;
}

.newsletter-fallback {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

/* ============================================
   Experience List
   ============================================ */

.experience-list {
    display: flex;
    flex-direction: column;
}

.experience-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
}

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

.experience-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.experience-role {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.experience-company {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   Experience Timeline (scrollable + interactive)
   ============================================ */

.experience-timeline {
    margin-bottom: var(--spacing-lg);
}

.timeline-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.timeline-scroll::-webkit-scrollbar {
    height: 4px;
}

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

.timeline-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.timeline-inner {
    position: relative;
    padding: var(--spacing-lg) 20px;
}

.timeline-years {
    position: relative;
    height: 20px;
    margin-bottom: var(--spacing-sm);
}

.timeline-year {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    transform: translateX(-50%);
}

.timeline-track {
    position: relative;
    height: 48px;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
}

.timeline-tick {
    position: absolute;
    top: -3px;
    width: 7px;
    height: 7px;
    background: var(--bg);
    border: 1px solid var(--text-muted);
    border-radius: 50%;
    transform: translateX(-50%);
}

.timeline-bar {
    position: absolute;
    top: 14px;
    height: 28px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    min-width: 60px;
    cursor: pointer;
    border: none;
    font: inherit;
    transition: opacity 0.2s, filter 0.2s;
    opacity: 0.6;
}

.timeline-bar:hover,
.timeline-bar.active {
    opacity: 1;
}

.timeline-bar.active {
    box-shadow: inset 0 0 0 1px var(--accent);
}

.timeline-bar-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-bar-current {
    background: var(--accent);
    color: var(--bg);
}

.timeline-bar-past {
    background: var(--border);
    color: var(--text-secondary);
}

/* Detail panel shown below the timeline on click */
.timeline-details {
    margin-top: var(--spacing-md);
}

.timeline-detail {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-elevated);
    border: none;
    box-shadow: inset 0 0 0 1px var(--accent);
    border-radius: 6px;
    animation: detailFadeIn 0.2s ease;
}

@keyframes detailFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.timeline-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.timeline-detail-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.timeline-detail-logo-wrapper,
.timeline-v-logo-wrapper {
    flex-shrink: 0;
}

.timeline-detail-logo {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    object-fit: contain;
    padding: 8px;
}

.timeline-v-logo {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    object-fit: contain;
    padding: 6px;
}

/* Default (dark mode): show dark logo, hide light logo */
.logo-dark {
    display: block;
}

.logo-light {
    display: none;
}

/* Light mode: show light logo, hide dark logo */
html[data-theme="light"] .logo-dark,
:root[data-theme="light"] .logo-dark {
    display: none;
}

html[data-theme="light"] .logo-light,
:root[data-theme="light"] .logo-light {
    display: block;
}

.timeline-detail-role {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.timeline-detail-company {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.timeline-detail-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.timeline-detail-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-top: var(--spacing-sm);
    max-width: 640px;
}

/* ============================================
   Vertical Timeline (Mobile)
   ============================================ */

.timeline-vertical {
    display: none;
    position: relative;
    padding-left: 24px;
}

.timeline-vertical::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.timeline-v-item {
    position: relative;
    padding-bottom: 24px;
    cursor: pointer;
}

.timeline-v-item:last-child {
    padding-bottom: 0;
}

.timeline-v-dot {
    position: absolute;
    left: -24px;
    top: 4px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--border);
    border: 2px solid var(--bg);
    transition: all 0.2s;
}

.timeline-v-item.current .timeline-v-dot {
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.2);
}

.timeline-v-item.active .timeline-v-dot {
    box-shadow: 0 0 0 3px var(--accent);
}

.timeline-v-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.timeline-v-company {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.timeline-v-item.current .timeline-v-company {
    color: var(--accent);
}

.timeline-v-date {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

.timeline-v-role {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.timeline-v-detail {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-elevated);
    border-radius: 6px;
    box-shadow: inset 0 0 0 1px var(--accent);
    animation: detailFadeIn 0.2s ease;
}

.timeline-v-detail-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

/* timeline-v-logo styles defined above with timeline-detail-logo */

.timeline-v-detail-role {
    font-weight: 500;
    font-size: 15px;
}

.timeline-v-detail-company {
    color: var(--text-secondary);
    font-size: 13px;
}

.timeline-v-desc {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

/* ============================================
   Skills Grid
   ============================================ */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.skill-category h4 {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: var(--spacing-sm);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: var(--spacing-xs) 0;
}

/* ============================================
   About Section
   ============================================ */

.about-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 640px;
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-content a {
    color: var(--text-primary);
    border-bottom: 1px solid var(--text-muted);
}

.about-content a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ============================================
   Now Section
   ============================================ */

.section-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   Now Grid (Categorized)
   ============================================ */

.now-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.now-category {
    padding: var(--spacing-md);
    background: var(--bg-elevated);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.now-category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

.now-category-icon {
    font-size: 18px;
}

.now-category-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
}

.now-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.now-item:last-child {
    margin-bottom: 0;
}

.now-bullet {
    color: var(--text-muted);
    flex-shrink: 0;
}

.now-item-title {
    color: var(--text-primary);
}

.now-item-desc {
    color: var(--text-secondary);
}

/* ============================================
   Stack Grid
   ============================================ */

.stack-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.stack-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stack-category {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    min-width: 64px;
    flex-shrink: 0;
    padding-top: 2px;
}

/* ============================================
   Uses Grid (Compact)
   ============================================ */

.uses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.uses-category {
    display: flex;
    flex-direction: column;
}

.uses-category-title {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.uses-category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.uses-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.uses-list-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border);
}

.uses-list-item:last-child {
    border-bottom: none;
}

.uses-list-name {
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.uses-list-detail {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
}

/* ============================================
   Experience Description
   ============================================ */

.experience-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    line-height: 1.5;
}

/* ============================================
   AI-First Section
   ============================================ */

.ai-first-section {
    background: var(--bg-elevated);
    margin: 0 calc(-50vw + 50%);
    padding: var(--spacing-xl) calc(50vw - 50%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 6px 12px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.ai-badge::before {
    content: '◉';
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.ai-first-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.ai-first-section > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.ai-endpoints {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.endpoint {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    transition: border-color 0.2s ease;
}

.endpoint:hover {
    border-color: var(--accent);
}

.endpoint-method {
    color: var(--accent);
    font-size: 10px;
    font-weight: 600;
    min-width: 36px;
}

.endpoint-path {
    color: var(--text-primary);
}

.endpoint-desc {
    color: var(--text-muted);
    margin-left: auto;
    font-size: 11px;
}

/* ============================================
   Page Templates
   ============================================ */

.page-header {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: 2rem;
}

.page-content {
    padding: var(--spacing-xl) 0;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.copyright {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.pagination a,
.pagination span {
    font-family: var(--font-mono);
    font-size: 13px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
}

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

.pagination .current {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg);
}

/* ============================================
   Comments
   ============================================ */

.comments-area {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border);
}

.comments-title {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.comment-list {
    list-style: none;
}

.comment {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border);
}

.comment-author {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.comment-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Comment form */
.comment-form label {
    display: block;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-serif);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.comment-form .submit {
    background: var(--accent);
    color: var(--bg);
    font-family: var(--font-mono);
    font-size: 13px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.comment-form .submit:hover {
    opacity: 0.9;
}

/* ============================================
   404 Page
   ============================================ */

.error-404 {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.error-404 h1 {
    font-family: var(--font-mono);
    font-size: 6rem;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.error-404 p {
    color: var(--text-secondary);
}

/* ============================================
   Animations
   ============================================ */

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

.animate-in {
    animation: fadeIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ============================================
   Responsive
   ============================================ */

/* Smooth theme transition */
html {
    transition: background-color 0.3s ease;
}

body,
.site-header,
.site-footer,
.ai-first-section,
.post-item,
.endpoint,
.theme-toggle,
code,
pre {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

@media (max-width: 768px) {
    html {
        font-size: 16px;
    }
    
    .site-header {
        padding: var(--spacing-md) 0;
    }
    
    .header-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .site-branding {
        flex-shrink: 0;
    }
    
    .site-title {
        font-size: 16px;
        white-space: nowrap;
    }
    
    .site-tagline {
        display: none;
    }
    
    .header-actions {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        width: auto;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .main-navigation {
        display: flex;
    }
    
    .main-navigation ul {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .main-navigation a {
        font-size: 12px;
    }
    
    .theme-toggle {
        padding: 4px 8px;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .single-post-title {
        font-size: 1.75rem;
    }
    
    .experience-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    /* Hide horizontal timeline, show vertical on mobile */
    .experience-timeline > .timeline-scroll,
    .experience-timeline > .timeline-details {
        display: none;
    }

    .timeline-vertical {
        display: block;
    }

    .timeline-detail-header {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

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

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

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

    .uses-list-item {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: flex-start;
    }

    .uses-list-item .uses-list-name {
        order: 2;
    }

    .uses-list-item .uses-list-detail {
        order: 1;
    }

    .uses-list-detail {
        text-align: left;
    }
    
    .post-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .post-item-meta {
        text-align: left;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .endpoint {
        flex-wrap: wrap;
    }
    
    .endpoint-desc {
        width: 100%;
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }
}

/* ============================================
   WordPress Core Styles
   ============================================ */

.alignleft {
    float: left;
    margin-right: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.alignright {
    float: right;
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* Block editor alignments */
.alignwide {
    margin-left: calc(-25vw + 50%);
    margin-right: calc(-25vw + 50%);
    max-width: 100vw;
    width: 100vw;
}

.alignfull {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    max-width: 100vw;
    width: 100vw;
}

/* ============================================
   Resume Page
   ============================================ */

.resume .page-header {
    border-bottom: none;
    padding-bottom: var(--spacing-md);
}

.resume .page-header .hero-text {
    margin-top: var(--spacing-md);
}

.resume-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.resume-meta a {
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
}

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

.resume-verify {
    margin-top: var(--spacing-xs);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.resume-verify a {
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    text-decoration: none;
}

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

.resume-company + .resume-company {
    margin-top: var(--spacing-xl);
}

.resume-company-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.resume .uses-list .experience-desc {
    margin-bottom: var(--spacing-sm);
}

/* Talk and course titles are long: let them wrap instead of squeezing the meta. */
.resume .uses-list-item {
    flex-wrap: wrap;
    gap: var(--spacing-xs) var(--spacing-md);
}

.resume .uses-list-detail {
    white-space: normal;
}

@media (max-width: 768px) {
    .resume .experience-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .resume .stack-grid {
        grid-template-columns: 1fr;
    }

    .resume-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

@media print {
    /* Two-page CV: compact type, two columns for lists, no chrome. */
    @page {
        size: A4;
        margin: 12mm 12mm 10mm;
    }

    html,
    body {
        background: #fff !important;
        color: #000 !important;
        font-size: 9pt;
        line-height: 1.35;
    }

    .site-header,
    .site-footer,
    .theme-toggle,
    .menu-toggle,
    .main-navigation,
    .ai-first-section,
    .resume-print,
    .resume-verify,
    #atomic-proxy-bar,
    #wpadminbar {
        display: none !important;
    }

    html {
        margin-top: 0 !important;
    }

    .container,
    .resume {
        max-width: none;
        width: 100%;
        padding: 0;
        margin: 0;
    }

    .resume .page-header {
        padding: 0 0 6pt;
        border-bottom: 1px solid #ccc;
    }

    .resume .page-title {
        font-size: 18pt;
        margin: 0;
    }

    .resume-header-row {
        display: block;
    }

    .resume .page-header .hero-text {
        font-size: 9pt;
        margin: 4pt 0 0;
        color: #333;
    }

    .resume-meta {
        margin-top: 4pt;
        gap: 10pt;
        font-size: 8pt;
    }

    .resume .section {
        padding: 7pt 0 0;
        border: none;
        break-inside: auto;
    }

    .resume .section-header {
        margin-bottom: 4pt;
        padding-bottom: 2pt;
        border-bottom: 1px solid #ddd;
    }

    .resume .section-title {
        font-size: 10pt;
        letter-spacing: 1px;
    }

    /* Let long companies flow across the break; keep a role and its
       heading together so nothing is orphaned at the bottom. */
    .resume-company {
        break-inside: auto;
    }

    .resume .section-header,
    .resume-company-name {
        break-after: avoid;
    }

    .resume-company + .resume-company {
        margin-top: 6pt;
    }

    .resume-company-name {
        font-size: 10pt;
        margin-bottom: 1pt;
    }

    .resume .experience-item {
        grid-template-columns: 90px 1fr;
        gap: 10pt;
        padding: 3pt 0;
        break-inside: avoid;
    }

    .resume .experience-date {
        font-size: 7.5pt;
    }

    .resume .experience-role {
        font-size: 9.5pt;
        margin-bottom: 1pt;
    }

    .resume .experience-desc {
        font-size: 8.5pt;
        line-height: 1.35;
        margin-top: 1pt;
        color: #333;
    }

    /* Sidebar-like density: the short lists print in columns. */
    .resume .stack-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2pt 16pt;
    }

    .resume .stack-item {
        font-size: 8.5pt;
        padding: 2pt 0;
        break-inside: avoid;
    }

    .resume .stack-category {
        font-size: 7.5pt;
        min-width: 58px;
    }

    .resume .uses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10pt 16pt;
    }

    .resume .uses-category-title {
        font-size: 7.5pt;
        margin-bottom: 3pt;
    }

    .resume .uses-list-item {
        padding: 1.5pt 0;
        break-inside: avoid;
    }

    .resume .uses-list-name {
        font-size: 8.5pt;
    }

    .resume .uses-list-detail {
        font-size: 7.5pt;
    }

    .resume .uses-list .experience-desc {
        margin-bottom: 3pt;
    }

    .resume a {
        color: #000;
        text-decoration: none;
    }

    .resume-email::after {
        content: " " attr(data-user) "@" attr(data-domain);
    }
}

.resume-header-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.resume-print {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.resume-print:hover {
    color: var(--accent);
    border-color: var(--accent);
}