/*
Theme Name: GridBlog
Theme URI: https://example.com/gridblog
Author: Your Name
Author URI: https://example.com
Description: A minimalist blog theme with CSS Grid layout, right sidebar, Classic Editor support, and three beautiful color schemes. Features fixed 800px width, custom headers, menus, post formats, microformats, RTL support, and all the bells and whistles. And a partridge in a pear tree.
Version: 1.0.0
Requires at least: 6.0
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: gridblog
Tags: blog, grid-layout, custom-colors, custom-header, custom-logo, custom-menu, editor-style, featured-images, flexible-header, microformats, post-formats, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready, right-sidebar, two-columns

GridBlog WordPress Theme, (C) 2025
GridBlog is distributed under the terms of the GNU GPL.
*/

/* ==========================================================================
   CSS CUSTOM PROPERTIES (Color Schemes)
   ========================================================================== */

:root {
  /* Default Color Scheme - Ocean Blue */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-secondary: #64748b;
  --color-background: #ffffff;
  --color-surface: #f8fafc;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-accent: #0ea5e9;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Layout */
  --content-width: 800px;
  --sidebar-width: 300px;
  --gap: 2rem;
}

/* Warm Amber Color Scheme */
[data-color-scheme="warm"] {
  --color-primary: #ea580c;
  --color-primary-dark: #c2410c;
  --color-secondary: #78716c;
  --color-background: #ffffff;
  --color-surface: #fef3f2;
  --color-text: #292524;
  --color-text-light: #78716c;
  --color-border: #f5f5f4;
  --color-accent: #f97316;
}

/* Cool Sage Color Scheme */
[data-color-scheme="sage"] {
  --color-primary: #059669;
  --color-primary-dark: #047857;
  --color-secondary: #6b7280;
  --color-background: #ffffff;
  --color-surface: #f0fdf4;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-accent: #10b981;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

html {
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
}

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

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

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

strong, b {
  font-weight: 700;
}

em, i {
  font-style: italic;
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-style: italic;
  color: var(--color-text-light);
}

code {
  font-family: 'Courier New', Courier, monospace;
  background-color: var(--color-surface);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

pre {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: var(--spacing-sm);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* ==========================================================================
   LAYOUT - CSS GRID SYSTEM (800px fixed width)
   ========================================================================== */

.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.header-container {
  max-width: calc(var(--content-width) + var(--sidebar-width) + var(--gap));
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.site-branding {
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.site-title {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

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

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

.site-description {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.custom-logo-link {
  display: inline-block;
}

.custom-logo {
  max-height: 80px;
  width: auto;
}

/* Custom Header */
.custom-header {
  width: 100%;
  max-height: 300px;
  overflow: hidden;
}

.custom-header img {
  width: 100%;
  height: auto;
  display: block;
}

/* Main Grid Container */
.site-content {
  flex: 1;
  max-width: calc(var(--content-width) + var(--sidebar-width) + var(--gap));
  margin: var(--spacing-lg) auto;
  padding: 0 var(--spacing-sm);
  display: grid;
  grid-template-columns: var(--content-width) var(--sidebar-width);
  gap: var(--gap);
  align-items: start;
}

.content-area {
  min-width: 0; /* Prevents grid blowout */
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.main-navigation {
  background-color: var(--color-primary);
  margin-top: var(--spacing-sm);
}

.main-navigation ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: #ffffff;
  font-weight: 500;
}

.main-navigation a:hover,
.main-navigation a:focus {
  background-color: var(--color-primary-dark);
}

.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a {
  background-color: var(--color-primary-dark);
}

/* Submenu */
.main-navigation ul ul {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-primary-dark);
  min-width: 200px;
  display: none;
  flex-direction: column;
}

.main-navigation li:hover > ul,
.main-navigation li:focus-within > ul {
  display: flex;
}

.main-navigation ul ul a {
  padding: var(--spacing-xs) var(--spacing-md);
}

.main-navigation ul ul ul {
  left: 100%;
  top: 0;
}

/* ==========================================================================
   POSTS & PAGES
   ========================================================================== */

.hentry {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.entry-header {
  margin-bottom: var(--spacing-md);
}

.entry-title {
  margin-bottom: var(--spacing-xs);
}

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

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

.entry-meta {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.entry-meta a {
  color: var(--color-text-light);
}

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

.byline,
.posted-on,
.cat-links,
.tags-links,
.comments-link {
  display: inline-block;
  margin-right: var(--spacing-sm);
}

.byline::before,
.posted-on::before,
.cat-links::before,
.tags-links::before,
.comments-link::before {
  content: "• ";
  margin-right: 0.5em;
}

.byline:first-child::before,
.posted-on:first-child::before {
  content: "";
  margin-right: 0;
}

/* Featured Images */
.post-thumbnail {
  margin-bottom: var(--spacing-md);
}

.post-thumbnail img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}

.featured-image-header .post-thumbnail {
  margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-lg) * -1) var(--spacing-md);
  border-radius: 8px 8px 0 0;
}

.featured-image-header .post-thumbnail img {
  border-radius: 8px 8px 0 0;
}

.entry-content {
  line-height: 1.7;
}

.entry-content > * {
  margin-bottom: var(--spacing-md);
}

.entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
}

.entry-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Sticky Posts */
.sticky {
  border: 2px solid var(--color-primary);
  position: relative;
}

.sticky::before {
  content: "📌 Featured";
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ==========================================================================
   POST FORMATS
   ========================================================================== */

/* Aside */
.format-aside {
  background-color: var(--color-surface);
  font-style: italic;
}

.format-aside .entry-title {
  font-size: 1.125rem;
}

/* Quote */
.format-quote {
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-surface);
}

.format-quote .entry-content {
  font-size: 1.25rem;
  font-style: italic;
}

/* Link */
.format-link .entry-title a::after {
  content: " →";
  color: var(--color-primary);
}

/* Gallery */
.format-gallery .entry-title::before {
  content: "🖼️ ";
}

/* Image */
.format-image .post-thumbnail {
  margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-lg) * -1) var(--spacing-md);
  border-radius: 8px 8px 0 0;
}

.format-image .post-thumbnail img {
  border-radius: 8px 8px 0 0;
}

/* Video */
.format-video .entry-title::before {
  content: "🎥 ";
}

/* Audio */
.format-audio .entry-title::before {
  content: "🎵 ";
}

/* Status */
.format-status {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
}

.format-status .entry-title {
  display: none;
}

/* Chat */
.format-chat {
  background-color: var(--color-surface);
}

.format-chat .entry-content p {
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background-color: var(--color-background);
  border-radius: 5px;
}

.format-chat .entry-content p:nth-child(even) {
  background-color: var(--color-surface);
  margin-left: var(--spacing-sm);
}

/* Code Format */
.format-code pre {
  background-color: #1e293b;
  color: #e2e8f0;
  padding: var(--spacing-md);
}

.format-code .entry-title::before {
  content: "</> ";
  color: var(--color-primary);
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */

.widget-area {
  position: sticky;
  top: var(--spacing-lg);
}

.widget {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.widget-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-primary);
}

.widget ul {
  list-style: none;
}

.widget li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.widget li:last-child {
  border-bottom: none;
}

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

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

/* Search Widget */
.widget_search .search-form {
  display: flex;
  gap: 0.5rem;
}

.widget_search .search-field {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.widget_search .search-submit {
  padding: 0.5rem var(--spacing-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

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

/* ==========================================================================
   COMMENTS
   ========================================================================== */

.comments-area {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid var(--color-border);
}

.comments-title {
  margin-bottom: var(--spacing-md);
}

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

.comment {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: 8px;
}

.comment .children {
  list-style: none;
  margin-left: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.comment-author {
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.comment-meta {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.comment-content {
  margin-bottom: var(--spacing-sm);
}

.reply {
  font-size: 0.875rem;
}

.reply a {
  color: var(--color-primary);
}

.comment-respond {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: 8px;
}

.comment-form {
  display: grid;
  gap: var(--spacing-sm);
}

.comment-form-comment,
.comment-form-author,
.comment-form-email,
.comment-form-url {
  display: grid;
  gap: 0.5rem;
}

.comment-form label {
  font-weight: 500;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.comment-form textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  margin-top: var(--spacing-sm);
}

.submit {
  padding: 0.75rem var(--spacing-md);
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

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

/* ==========================================================================
   PAGINATION
   ========================================================================== */

.pagination,
.navigation {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin: var(--spacing-lg) 0;
}

.page-numbers {
  display: inline-block;
  padding: 0.5rem var(--spacing-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
}

.page-numbers:hover,
.page-numbers.current {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.nav-previous a,
.nav-next a {
  padding: 0.75rem var(--spacing-md);
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: 4px;
  display: inline-block;
}

.nav-previous a:hover,
.nav-next a:hover {
  background-color: var(--color-primary-dark);
}

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

.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: auto;
}

.footer-container {
  max-width: calc(var(--content-width) + var(--sidebar-width) + var(--gap));
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  text-align: center;
}

.site-info {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.partridge-easter-egg {
  margin-top: var(--spacing-sm);
  font-size: 0.75rem;
  opacity: 0.5;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media screen and (max-width: 1200px) {
  .site-content {
    grid-template-columns: 1fr 300px;
  }
}

@media screen and (max-width: 768px) {
  .site-content {
    grid-template-columns: 1fr;
  }
  
  .widget-area {
    position: static;
  }
  
  .main-navigation ul {
    flex-direction: column;
  }
  
  .main-navigation ul ul {
    position: static;
    display: none;
  }
  
  .main-navigation li:hover > ul {
    display: flex;
  }
}

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

.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;
}

.screen-reader-text:focus {
  background-color: var(--color-surface);
  border-radius: 3px;
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  clip: auto;
  clip-path: none;
  color: var(--color-primary);
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

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

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

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

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

.wp-caption-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.5rem;
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
}

.gallery-item {
  overflow: hidden;
  border-radius: 5px;
}

.gallery-item img {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 100000;
}

.skip-link:focus {
  top: 0;
}