/*
Theme Name: Ferg Terminal
Theme URI: https://fergatron.org/
Author: Aaron Tracy
Author URI: https://fergatron.org/
Description: Terminal chrome meets Medium-style longform reading. Dark, calm, code-friendly cybersecurity blog theme.
Version: 1.3.0
Requires at least: 5.8
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ferg-terminal
Tags: blog, dark, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ========== Design tokens: terminal chrome + Medium reading ========== */
:root {
  /* Soft dark with deep purple undertones */
  --bg: #0e0c12;
  --bg-elevated: #16131c;
  --bg-panel: #13101a;
  --bg-soft: #1c1826;
  --border: #2a2436;
  --border-bright: #3d3450;
  --text: #d6d2de;
  --text-dim: #918a9e;
  --text-bright: #f3f0f7;
  --accent: #a78bfa;
  --accent-dim: #7c5cbf;
  --accent-soft: rgba(167, 139, 250, 0.12);
  --warn: #e0b34d;
  --danger: #e06b7a;
  --link: #c4b5fd;
  --link-hover: #ddd6fe;
  --code-bg: #0a0810;
  --selection: rgba(167, 139, 250, 0.28);

  /* Medium-like reading stack + terminal mono for chrome/code */
  --font-serif: "Source Serif 4", "Iowan Old Style", "Apple Garamond", Palatino, "Palatino Linotype", Georgia, serif;
  --font-sans: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, Menlo, monospace;

  /* Medium-ish measure (~680px body) */
  --max: 42rem;
  --max-wide: 52rem;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03), 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* ========== Reset / base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--selection);
  color: var(--text-bright);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.15s ease;
}

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

img,
video {
  max-width: 100%;
  height: auto;
}

/* ========== Layout shell ========== */
.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 18, 16, 0.88);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.site-branding {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.site-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.site-title a {
  color: var(--text-bright);
  text-decoration: none;
}

.site-title a::before {
  content: ">_ ";
  color: var(--accent);
  font-weight: 500;
}

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

.site-description {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.01em;
  max-width: 28rem;
}

/* Nav — terminal-ish but quiet */
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.2rem;
}

.main-nav a {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
}

.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
  color: var(--text-bright);
  background: var(--bg-soft);
}

/* Content frame */
.site-main {
  flex: 1;
  max-width: var(--max-wide);
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.content-width {
  max-width: var(--max);
  margin: 0 auto;
}

/* Topic chips under header */
.topics-bar {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 1.5rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.topics-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: lowercase;
  flex-shrink: 0;
}

.topics-label::after {
  content: ":";
}

.topics-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
}

.topics-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
  background: transparent;
}

.topics-list a:hover,
.topics-list .is-active a {
  color: var(--text-bright);
  border-color: var(--accent-dim);
  background: var(--accent-soft);
}

.topics-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  opacity: 0.9;
}

/* Home/archive: main + slim rail */
.layout-with-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

.layout-main {
  min-width: 0;
  max-width: var(--max);
}

.topics-rail {
  display: none;
  font-family: var(--font-sans);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.15rem;
  position: sticky;
  top: 5.5rem;
}

.topics-rail-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topics-rail-list {
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
}

.topics-rail-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
}

.topics-rail-list li:last-child a {
  border-bottom: 0;
}

.topics-rail-list a:hover {
  color: var(--accent);
}

.topics-rail-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.topics-rail-hint {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--text-dim);
}

@media (min-width: 960px) {
  .layout-with-rail {
    grid-template-columns: minmax(0, 1fr) 13.5rem;
  }

  .topics-rail {
    display: block;
  }
}

/* Home intro — light terminal, Medium lede */
.term-banner {
  max-width: var(--max);
  margin: 0 auto 2.75rem;
  padding: 0 0 1.75rem;
  border-bottom: 1px solid var(--border);
}

.term-banner .prompt-line {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 0 0 0.85rem;
}

.term-banner .prompt {
  color: var(--accent);
}

.term-banner .cmd {
  color: var(--text-dim);
}

.term-banner .lede {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--text-bright);
  font-weight: 400;
  letter-spacing: -0.015em;
}

/* ========== Post list (Medium-like feed) ========== */
.posts-list {
  display: flex;
  flex-direction: column;
  max-width: var(--max);
  margin: 0 auto;
}

.post-card {
  display: block;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  border-radius: 0;
  transition: none;
}

.post-card:first-child {
  padding-top: 0.25rem;
}

.post-card:hover {
  border-color: var(--border);
  box-shadow: none;
}

.post-card .entry-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.post-card .entry-title a {
  color: var(--text-bright);
  text-decoration: none;
}

.post-card .entry-title a:hover {
  color: var(--accent);
}

.entry-meta {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 0 0 0.65rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.15rem;
}

.entry-meta a {
  color: var(--text-dim);
  text-decoration: none;
}

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

.entry-meta .sep {
  display: inline-flex;
  align-items: center;
}

.entry-meta .sep::before {
  content: "·";
  margin: 0 0.55rem;
  color: var(--border-bright);
}

.entry-summary {
  margin: 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.65;
}

.entry-summary p {
  margin: 0;
}

.entry-summary p + p {
  margin-top: 0.65rem;
}

.read-more {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.read-more:hover {
  color: var(--link-hover);
}

/* ========== Single article (Medium column) ========== */
.single-article,
.page-article {
  max-width: var(--max);
  margin: 0 auto;
}

.single-article .entry-header,
.page-article .entry-header {
  margin-bottom: 2.25rem;
  padding-bottom: 0;
  border-bottom: 0;
  text-align: left;
}

.single-article .entry-title,
.page-article .entry-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 4.5vw, 2.55rem);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

/* No markdown # prefix — cleaner Medium titles */
.single-article .entry-title::before {
  content: none;
}

.single-article .entry-meta {
  margin-bottom: 0;
}

.post-thumbnail {
  margin: 0 0 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.post-thumbnail img {
  display: block;
  width: 100%;
}

/* Reading body — Medium density */
.entry-content {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text);
  letter-spacing: -0.003em;
}

.entry-content > *:first-child {
  margin-top: 0;
}

.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4 {
  font-family: var(--font-sans);
  color: var(--text-bright);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 2.4rem 0 0.85rem;
  font-weight: 700;
}

.entry-content h2 {
  font-size: 1.45rem;
  border-bottom: 0;
  padding-bottom: 0;
}

.entry-content h2::before,
.entry-content h3::before {
  content: none;
}

.entry-content h3 {
  font-size: 1.2rem;
}

.entry-content p {
  margin: 0 0 1.35rem;
}

.entry-content p:first-of-type {
  font-size: 1.18rem;
  color: var(--text-bright);
}

.entry-content ul,
.entry-content ol {
  margin: 0 0 1.35rem;
  padding-left: 1.4rem;
}

.entry-content li {
  margin-bottom: 0.45rem;
}

.entry-content li::marker {
  color: var(--accent-dim);
}

.entry-content blockquote {
  margin: 1.75rem 0;
  padding: 0.15rem 0 0.15rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: transparent;
  color: var(--text-bright);
  font-size: 1.2rem;
  line-height: 1.55;
  font-style: italic;
}

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

.entry-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2.5rem auto;
  max-width: 4rem;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
}

.entry-content th,
.entry-content td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
}

.entry-content th {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-bright);
  background: var(--bg-panel);
}

/* Code stays terminal */
.entry-content code,
.comment-content code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.12em 0.4em;
  color: var(--warn);
  font-style: normal;
}

.entry-content pre,
.comment-content pre {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.55;
  background: var(--code-bg);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  overflow-x: auto;
  margin: 0 0 1.75rem;
  box-shadow: var(--shadow-card);
}

.entry-content pre code {
  background: none;
  border: 0;
  padding: 0;
  color: #d4cfe0;
  font-size: inherit;
}

/* Soft terminal chrome on code blocks only */
.entry-content pre {
  position: relative;
  padding-top: 2rem;
}

.entry-content pre::before {
  content: "●  ●  ●";
  position: absolute;
  top: 0.55rem;
  left: 0.9rem;
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  opacity: 0.55;
  font-family: var(--font-mono);
}

.entry-content a {
  text-decoration: underline;
  text-decoration-color: rgba(196, 181, 253, 0.4);
}

.entry-content a:hover {
  text-decoration-color: var(--link-hover);
}

/* Footer of post */
.entry-footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.entry-footer a {
  color: var(--accent);
  text-decoration: none;
  margin-right: 0.65rem;
}

.entry-footer a:hover {
  text-decoration: underline;
}

/* Pagination / nav */
.nav-links,
.posts-navigation .nav-links,
.post-navigation .nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.nav-links a,
.posts-navigation a,
.post-navigation a {
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: var(--bg-elevated);
}

.nav-links a:hover,
.posts-navigation a:hover,
.post-navigation a:hover {
  color: var(--text-bright);
  border-color: var(--border-bright);
  background: var(--bg-soft);
}

/* Comments */
.comments-area {
  max-width: var(--max);
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.comments-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}

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

.comment-body {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.25rem;
  margin-bottom: 1rem;
}

.comment-author {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.comment-metadata {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.55rem;
}

.comment-content {
  font-family: var(--font-serif);
  font-size: 1rem;
}

.comment-form label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: block;
  margin-bottom: 0.3rem;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea,
.search-form input[type="search"] {
  width: 100%;
  max-width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius);
  margin-bottom: 0.85rem;
}

.comment-form textarea {
  font-family: var(--font-serif);
  min-height: 8rem;
}

.comment-form input:focus,
.comment-form textarea:focus,
.search-form input:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.comment-form .submit,
.search-form .search-submit,
.wp-block-button__link,
button,
input[type="submit"] {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.comment-form .submit:hover,
.search-form .search-submit:hover,
button:hover,
input[type="submit"]:hover {
  background: rgba(167, 139, 250, 0.2);
  color: var(--link-hover);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 1.35rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.footer-inner a {
  color: var(--text-dim);
  text-decoration: none;
}

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

.footer-prompt::before {
  content: "root@fergatron:~$ ";
  color: var(--accent-dim);
}

/* Empty / 404 */
.empty-state {
  max-width: var(--max);
  margin: 0 auto;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
}

.empty-state .err {
  color: var(--danger);
}

.empty-state .ok {
  color: var(--accent);
}

.page-header {
  max-width: var(--max);
  margin: 0 auto 2rem;
}

.page-header .archive-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-sans);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}

.page-header .archive-description {
  color: var(--text-dim);
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

/* Blocks */
.wp-block-image img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.alignwide {
  max-width: var(--max-wide);
}

.alignfull {
  max-width: none;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

/* Screen reader */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

/* Responsive */
@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-main {
    padding: 1.75rem 1.15rem 3rem;
  }

  .post-card .entry-title {
    font-size: 1.25rem;
  }

  .entry-content {
    font-size: 1.05rem;
  }

  .entry-content p:first-of-type {
    font-size: 1.1rem;
  }

  .term-banner .lede {
    font-size: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}