/*
Theme Name: Norbert Feria Blog
Theme URI: https://blog.norbertferia.com
Author: Norbert Feria
Author URI: https://norbertferia.com
Description: Lightweight, custom Swiss typographic WordPress theme for Norbert Feria's engineering and technical operations blog. Replicating the exact design language, color tokens, and layout components of the main site.
Version: 1.0.0
Requires at least: 6.0
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: norbertferia-blog
Tags: blog, custom-background, custom-logo, custom-menu, featured-images, flexible-header, full-width-template, one-column, post-formats, theme-options, translation-ready
*/

/* ==========================================================================
   DESIGN TOKENS & CSS VARIABLES
   ========================================================================== */
:root {
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Color Tokens - Exact Match to Astro Portfolio */
  --color-primary: #C84028;            /* Rust / Terracotta Red */
  --color-primary-hover: #A8321D;      /* Burnt Red */
  --color-dark: #111111;               /* Charcoal / Pure Dark */
  --color-dark-surface: #0F172A;       /* Slate Dark Base */
  --color-dark-card: #181514;          /* Deep Charcoal */
  --color-bg: #FFFFFF;                 /* Pure White */
  --color-bg-alt: #F8F9FA;             /* Warm Light Grey */
  --color-bg-muted: #F3F4F6;           /* Muted Grey */
  --color-border: #E5E7EB;             /* Gray 200 */
  --color-border-dark: #D1D5DB;        /* Gray 300 */
  --color-border-subtle: #F3F4F6;      /* Gray 100 */
  --color-border-darker: #1F2937;      /* Gray 800 */
  --color-text: #111111;               /* Dark Slate Text */
  --color-text-secondary: #374151;     /* Gray 700 */
  --color-text-muted: #4B5563;         /* Gray 600 */
  --color-text-subtle: #6B7280;        /* Gray 500 */
  --color-text-light: #9CA3AF;         /* Gray 400 */

  /* Semantic Accents */
  --color-emerald-bg: #ECFDF5;
  --color-emerald-border: #A7F3D0;
  --color-emerald-text: #065F46;
  --color-emerald-accent: #10B981;
  --color-red-bg: #FEF2F2;
  --color-red-border: #FECACA;
  --color-red-text: #C84028;

  /* Code Block Colors */
  --color-code-bg: #111111;
  --color-code-header-bg: #1A1A1A;
  --color-code-text: #10B981;
  --color-code-border: #2D3748;

  /* Spacing & Layout */
  --container-max-w: 80rem;            /* 1280px / 7xl */
  --container-blog-w: 72rem;           /* 1152px / 6xl */
  --container-prose-w: 48rem;          /* 768px / 3xl */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   BASE RESET & TYPOGRAPHY
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

img, svg, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

.font-sans {
  font-family: var(--font-sans);
}

/* ==========================================================================
   LAYOUT & GRID UTILITIES
   ========================================================================== */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex-grow: 1;
}

.container {
  width: 100%;
  max-width: var(--container-max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-blog-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-prose {
  width: 100%;
  max-width: var(--container-prose-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 640px) {
  .container, .container-narrow, .container-prose {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  font-family: var(--font-sans);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-container {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem; /* space between text and badge */
    white-space: nowrap;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

/* Ensure WordPress custom logo doesn't break into a new line */
.brand-link .custom-logo-link {
    display: inline-flex;
    align-items: center;
}

.brand-link .custom-logo,
.brand-logo {
    height: 28px; /* adjust to your desired logo height */
    width: auto;
    display: block;
}

.brand-text {
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    line-height: 1;
}

/* Blog Badge Link */
.brand-badge-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-badge {
    display: inline-block;
    background-color: #dc2626; /* your red accent */
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 800;
    font-family: monospace;
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
    letter-spacing: 0.05em;
    line-height: 1;
    vertical-align: middle;
}

.primary-nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .primary-nav-desktop {
    display: flex;
  }
}

.primary-nav-desktop ul {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.primary-nav-desktop a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.primary-nav-desktop a:hover,
.primary-nav-desktop .current-menu-item > a {
  color: var(--color-text);
}

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

.btn-github {
  display: none;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  background: #ffffff;
  transition: all var(--transition-fast);
}

.btn-github:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

@media (min-width: 640px) {
  .btn-github {
    display: inline-block;
  }
}

.btn-contact {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background-color: #111827;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-contact:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-border-dark);
  background: transparent;
  cursor: pointer;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-nav-drawer {
  display: none;
  border-top: 1px solid var(--color-border);
  background-color: #ffffff;
  padding: 1rem 1.5rem 1.5rem;
}

.mobile-nav-drawer.is-open {
  display: block;
}

.mobile-nav-drawer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-drawer a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  display: block;
  padding: 0.375rem 0;
}

.mobile-nav-drawer a:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   HERO / BANNER STRIP
   ========================================================================== */
.hero-circuit-strip {
  background-color: var(--color-dark-surface);
  color: #F1F5F9;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-top: 1px solid var(--color-border-darker);
  border-bottom: 1px solid var(--color-border-darker);
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

.circuit-strip-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: flex-start;
}

@media (min-width: 640px) {
  .circuit-strip-inner {
    flex-direction: row;
    align-items: center;
  }
}

.status-indicator {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  line-height: 1.4;
}

.pulse-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 9999px;
  background-color: var(--color-emerald-accent);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

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

.circuit-strip-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  letter-spacing: 0.025em;
  text-transform: uppercase;
  white-space: nowrap;
}

.circuit-strip-btn:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
}

/* Page Header Strip */
.page-hero-header {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

@media (min-width: 1024px) {
  .page-hero-header {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.page-hero-title {
  font-size: 1.875rem;
  font-weight: 900;
  color: #0F172A;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .page-hero-title {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .page-hero-title {
    font-size: 3rem;
  }
}

.page-hero-desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 48rem;
  line-height: 1.625;
}

/* ==========================================================================
   BLOG ARCHIVE / CARD GRID
   ========================================================================== */
.blog-section {
  padding-top: 4rem;
  padding-bottom: 5rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.post-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border-dark);
  border-left: 4px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.post-card:hover {
  border-color: var(--color-text);
  border-left-color: var(--color-primary);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.post-card-featured {
  border-left-color: var(--color-primary);
}

.card-media-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.card-media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.post-card:hover .card-media-img {
  transform: scale(1.03);
}

/* Fallback Geometric Media Box */
.card-media-placeholder {
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    #F8F9FA,
    #F8F9FA 10px,
    #F1F5F9 10px,
    #F1F5F9 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.badge-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  background-color: var(--color-emerald-bg);
  color: var(--color-emerald-text);
  border: 1px solid var(--color-emerald-border);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  display: inline-block;
}

.badge-category:hover {
  background-color: #D1FAE5;
  color: var(--color-emerald-text);
}

.badge-date, .badge-reading-time {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-subtle);
}

.card-title {
  font-size: 1.1875rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 0.625rem;
  letter-spacing: -0.015em;
}

.card-title a {
  color: var(--color-text);
}

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

.card-excerpt {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.625;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border-subtle);
  background-color: #FAFAFA;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.card-author {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.card-read-more {
  color: var(--color-primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.card-read-more:hover {
  text-decoration: underline;
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.pagination-wrapper {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.75rem;
  border: 1px solid var(--color-border-dark);
  background-color: #ffffff;
  color: var(--color-text);
  font-weight: 600;
}

.page-numbers:hover {
  border-color: var(--color-text);
  color: var(--color-primary);
}

.page-numbers.current {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  color: #ffffff;
  font-weight: 700;
}

.page-numbers.dots {
  border: none;
  background: transparent;
}

.page-numbers.prev, .page-numbers.next {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 0 1rem;
}

/* ==========================================================================
   SINGLE POST TEMPLATE & PROSE TYPOGRAPHY
   ========================================================================== */
.single-article {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.single-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.back-link:hover {
  text-decoration: underline;
}

.single-title {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #0F172A;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .single-title {
    font-size: 3rem;
  }
}

.single-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  padding-top: 0.5rem;
}

.single-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.single-featured-image {
  margin-bottom: 2.5rem;
  border: 1px solid var(--color-border-dark);
  overflow: hidden;
}

.single-featured-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ==========================================================================
   PROSE / CONTENT TYPOGRAPHY ENGINE
   ========================================================================== */
.entry-content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #1F2937;
}

.entry-content > * + * {
  margin-top: 1.5rem;
}

.entry-content p {
  margin-bottom: 1.5rem;
}

.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
  font-family: var(--font-sans);
  font-weight: 800;
  color: #0F172A;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.entry-content h1 { font-size: 2rem; }
.entry-content h2 { 
  font-size: 1.625rem; 
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.entry-content h3 { font-size: 1.3125rem; }
.entry-content h4 { font-size: 1.125rem; }
.entry-content h5 { font-size: 1rem; }
.entry-content h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

.entry-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.entry-content a:hover {
  color: var(--color-primary-hover);
}

.entry-content strong,
.entry-content b {
  font-weight: 700;
  color: #0F172A;
}

.entry-content ul,
.entry-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.entry-content ul {
  list-style-type: disc;
}

.entry-content ol {
  list-style-type: decimal;
}

.entry-content li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}

.entry-content li::marker {
  color: var(--color-primary);
  font-weight: bold;
}

/* Blockquotes */
.entry-content blockquote {
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-bg-alt);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: #374151;
}

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

/* Code Blocks & Inline Code */
.entry-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--color-bg-muted);
  color: #C84028;
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--color-border);
  font-weight: 500;
}

.entry-content pre {
  background-color: var(--color-code-bg);
  color: #E5E7EB;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  padding: 1.25rem;
  border: 1px solid var(--color-border-darker);
  overflow-x: auto;
  margin: 1.75rem 0;
  position: relative;
}

.entry-content pre code {
  background-color: transparent;
  color: #34D399;
  padding: 0;
  border: none;
  font-size: inherit;
  font-weight: 400;
}

/* Tables */
.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.875rem;
}

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

.entry-content th {
  background-color: var(--color-bg-alt);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.entry-content tr:nth-child(even) td {
  background-color: #FAFAFA;
}

/* Horizontal Rule */
.entry-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* WordPress Core Alignment Styles */
.alignwide {
  max-width: var(--container-blog-w);
  margin-left: auto;
  margin-right: auto;
}

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

.aligncenter {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.wp-caption {
  max-width: 100%;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
  padding: 0.5rem;
}

.wp-caption img {
  width: 100%;
  height: auto;
}

.wp-caption-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  padding-top: 0.5rem;
  text-align: center;
}

/* ==========================================================================
   POST TAGS & AUTHOR BIO
   ========================================================================== */
.post-tags-section {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.tags-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-secondary);
}

.tag-badge:hover {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  color: #ffffff;
}

.author-bio-card {
  margin-top: 3rem;
  padding: 1.75rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .author-bio-card {
    flex-direction: row;
    align-items: flex-start;
  }
}

.author-avatar-img {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 9999px;
  border: 1px solid var(--color-border-dark);
  object-fit: cover;
  flex-shrink: 0;
  background-color: #ffffff;
}

.author-bio-details h4 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.author-role-subtitle {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.author-bio-p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.author-bio-links {
  display: flex;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.author-bio-links a {
  color: var(--color-text-secondary);
  text-decoration: underline;
}

.author-bio-links a:hover {
  color: var(--color-primary);
}

/* Post Navigation (Next / Prev) */
.post-navigation-grid {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .post-navigation-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.post-nav-card {
  padding: 1.25rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-text);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.post-nav-dir {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.post-nav-title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.post-nav-card:hover .post-nav-title {
  color: var(--color-primary);
}

/* ==========================================================================
   COMMENTS STYLING
   ========================================================================== */
.comments-area {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.comments-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.comment-list {
  list-style: none;
  padding: 0;
  margin-bottom: 2.5rem;
}

.comment-list .comment {
  border: 1px solid var(--color-border);
  background-color: #ffffff;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.comment-list .children {
  list-style: none;
  padding-left: 1.5rem;
  margin-top: 1rem;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.comment-author {
  font-weight: 700;
  color: var(--color-text);
}

.comment-metadata a {
  color: var(--color-text-subtle);
}

.comment-content {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.comment-reply-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-top: 0.5rem;
}

.comment-respond {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border-dark);
  padding: 1.5rem;
}

.comment-reply-title {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.comment-form p {
  margin-bottom: 1rem;
}

.comment-form label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.375rem;
  color: var(--color-text-secondary);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border-dark);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text);
  border-radius: 0;
}

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

.comment-form input[type="submit"] {
  background-color: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.comment-form input[type="submit"]:hover {
  background-color: var(--color-dark);
}

/* ==========================================================================
   404 TEMPLATE (MATCHING ASTRO 404)
   ========================================================================== */
.error-404-main {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding-top: 4rem;
  padding-bottom: 6rem;
  flex-grow: 1;
}

.badge-404 {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-red-bg);
  border: 1px solid var(--color-red-border);
  color: var(--color-red-text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.pulse-dot-red {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background-color: var(--color-primary);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.error-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: #0F172A;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .error-title {
    font-size: 3.75rem;
  }
}

.error-desc {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.625;
  max-width: 42rem;
  margin-bottom: 2rem;
}

/* Diagnostic Telemetry Terminal Box */
.telemetry-terminal {
  background-color: var(--color-dark);
  border: 1px solid var(--color-border-darker);
  color: #E5E7EB;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #1F2937;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.6875rem;
  color: var(--color-text-light);
}

.telemetry-body {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  line-height: 1.6;
}

.telemetry-row {
  display: flex;
  flex-direction: column;
}

@media (min-width: 640px) {
  .telemetry-row {
    flex-direction: row;
    align-items: center;
  }
}

.telemetry-key {
  color: #6B7280;
  min-width: 9.5rem;
  text-transform: uppercase;
}

.telemetry-val-amber {
  color: #FBBF24;
  font-weight: 700;
  word-break: break-all;
}

.telemetry-val-red {
  color: #F87171;
  font-weight: 700;
}

.telemetry-val-green {
  color: #34D399;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.btn-error-primary {
  padding: 0.875rem 1.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-error-primary:hover {
  background-color: var(--color-dark);
  color: #ffffff;
}

.btn-error-secondary {
  padding: 0.875rem 1.5rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border-dark);
  color: var(--color-text);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-error-secondary:hover {
  border-color: var(--color-text);
}

/* ==========================================================================
   SEARCH TEMPLATE & SEARCH FORM
   ========================================================================== */
.search-form-technical {
  display: flex;
  width: 100%;
  max-width: 36rem;
  margin: 1.5rem 0 2rem;
}

.search-field-technical {
  flex-grow: 1;
  padding: 0.75rem 1rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border-dark);
  border-right: none;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  border-radius: 0;
}

.search-field-technical:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-submit-technical {
  padding: 0.75rem 1.25rem;
  background-color: var(--color-dark);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.search-submit-technical:hover {
  background-color: var(--color-primary);
}

/* ==========================================================================
   FOOTER (MATCHING ASTRO FOOTER)
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark);
  color: #ffffff;
  border-top: 1px solid #1F2937;
  padding-top: 3rem;
  padding-bottom: 3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  height: 1.5rem;
  width: auto;
  filter: brightness(200%);
}

.footer-copy {
  color: var(--color-text-light);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  color: var(--color-text-light);
}

.footer-nav a {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: #ffffff;
}

.footer-top-link {
  color: var(--color-primary) !important;
}

.footer-top-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   NO POSTS / CONTENT NONE
   ========================================================================== */
.no-posts-card {
  padding: 3rem 2rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border-dark);
  text-align: center;
  font-family: var(--font-mono);
}

.no-posts-icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.no-posts-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.no-posts-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}