/*
Theme Name: Chronicle
Theme URI: https://example.com/chronicle
Author: Chronicle Theme
Author URI: https://example.com
Description: A bold editorial WordPress theme with custom chapter taxonomy, photo galleries, and a left-hand navigation sidebar. Features 5 pages, unlimited posts, and a striking typographic identity.
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: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: chronicle
Tags: blog, editorial, custom-menu, featured-images, full-width-template, left-sidebar, sticky-post, theme-options, two-columns, translation-ready
*/

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
  --color-ink:        #0f0e0d;
  --color-paper:      #f5f2ec;
  --color-accent:     #c0392b;
  --color-gold:       #b8860b;
  --color-mid:        #6b6560;
  --color-rule:       #d4cfc8;
  --color-sidebar-bg: #1a1714;
  --color-sidebar-fg: #e8e3da;
  --color-sidebar-accent: #c0392b;

  --font-display:  'Playfair Display', 'Georgia', serif;
  --font-body:     'Crimson Pro', 'Georgia', serif;
  --font-sans:     'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono:     'Courier Prime', 'Courier New', monospace;

  --sidebar-width: 280px;
  --max-content:   860px;
  --gap:           2rem;

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html { font-size: 18px; scroll-behavior: smooth; }

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

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

.chronicle-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

.chronicle-sidebar  { grid-column: 1; grid-row: 1 / 4; }
.chronicle-header   { grid-column: 2; grid-row: 1; }
.chronicle-main     { grid-column: 2; grid-row: 2; }
.chronicle-footer   { grid-column: 2; grid-row: 3; }

/* ==========================================================================
   Sidebar
   ========================================================================== */

.chronicle-sidebar {
  background: var(--color-sidebar-bg);
  color: var(--color-sidebar-fg);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 2.5rem 0;
  scrollbar-width: thin;
  scrollbar-color: #333 var(--color-sidebar-bg);
}

.sidebar-brand {
  padding: 0 1.75rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}

.sidebar-brand a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  display: block;
  line-height: 1.2;
}

.sidebar-brand .tagline {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sidebar-accent);
  margin-top: 0.35rem;
}

/* Sidebar Photo Gallery (3 photos) */
.sidebar-photos {
  padding: 0 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.sidebar-photos .photo-large {
  grid-column: 1 / -1;
}

.sidebar-photo-item {
  display: block;
  overflow: hidden;
  position: relative;
}

.sidebar-photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
  aspect-ratio: 4/3;
}

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

.sidebar-photo-item .photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  padding: 0.75rem 0.5rem 0.4rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.sidebar-photo-item:hover .photo-caption { opacity: 1; }

/* Sidebar Nav */
.sidebar-nav {
  padding: 0 1.25rem;
  flex: 1;
}

.sidebar-nav-label {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav ul li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  border-radius: 4px;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}

.sidebar-nav ul li a::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-sidebar-accent);
  opacity: 0;
  transition: opacity var(--transition);
  flex-shrink: 0;
}

.sidebar-nav ul li a:hover,
.sidebar-nav ul li.current-menu-item a {
  color: #fff;
  background: rgba(255,255,255,0.06);
}

.sidebar-nav ul li.current-menu-item a::before,
.sidebar-nav ul li a:hover::before { opacity: 1; }

/* Chapter (Category) list in sidebar */
.sidebar-chapters { padding: 1.5rem 1.25rem 0; }

.sidebar-chapters h3 {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

.sidebar-chapters ul { list-style: none; }

.sidebar-chapters ul li a {
  display: block;
  padding: 0.4rem 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
  border-left: 2px solid transparent;
}

.sidebar-chapters ul li a:hover {
  color: var(--color-sidebar-accent);
  border-left-color: var(--color-sidebar-accent);
}

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

.chronicle-header {
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--color-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--color-paper);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-date {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-mid);
}

.header-search form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 2px;
}

.header-search input {
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-ink);
  width: 140px;
}

.header-search button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-mid);
  font-size: 0.8rem;
  padding: 0;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.chronicle-main {
  padding: 3rem;
  max-width: var(--max-content);
}

/* ==========================================================================
   Front Page — Photo Grid (10 photos)
   ========================================================================== */

.front-photo-grid {
  margin-bottom: 3.5rem;
}

.front-photo-grid h2 {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-rule);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 0.75rem;
}

/* Featured large photo spans 2 cols and 2 rows */
.photo-grid .grid-featured {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}

.photo-card {
  position: relative;
  overflow: hidden;
  display: block;
  background: var(--color-rule);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 140px;
}

.grid-featured img { min-height: 296px; }

.photo-card:hover img { transform: scale(1.04); }

.photo-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0) 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.photo-card:hover .photo-card-overlay { opacity: 1; }

.photo-card-overlay .photo-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.photo-card-overlay .photo-chapter {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sidebar-accent);
  margin-bottom: 0.25rem;
}

/* Photo placeholder when no image set */
.photo-card-placeholder {
  background: var(--color-rule);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

.photo-card-placeholder span {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: var(--color-mid);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Front Page — Latest Posts
   ========================================================================== */

.front-latest { margin-top: 2rem; }

.section-rule {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.section-rule h2 {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mid);
  white-space: nowrap;
}

.section-rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-rule);
}

/* ==========================================================================
   Post Cards
   ========================================================================== */

.post-list { display: flex; flex-direction: column; gap: 2rem; }

.post-card {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-rule);
}

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

.post-card-body {}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.post-chapter-tag {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(192, 57, 43, 0.08);
  padding: 0.2em 0.5em;
  border-radius: 2px;
}

.post-date {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--color-mid);
}

.post-card h2,
.post-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.25;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.post-card h2 a,
.post-card h3 a { transition: color var(--transition); }
.post-card h2 a:hover,
.post-card h3 a:hover { color: var(--color-accent); }

.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-mid);
  line-height: 1.6;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition);
}

.read-more:hover { gap: 0.6rem; }

.post-card-thumb {
  align-self: start;
  overflow: hidden;
}

.post-card-thumb img {
  width: 160px;
  height: 110px;
  object-fit: cover;
  transition: transform var(--transition);
}

.post-card:hover .post-card-thumb img { transform: scale(1.04); }

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

.entry-header { margin-bottom: 2rem; }

.entry-chapter-label {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.entry-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.entry-meta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--color-mid);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--color-rule);
}

.entry-featured-image {
  margin: 1.5rem 0 2rem;
}

.entry-featured-image img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.entry-content {
  font-size: 1.05rem;
  line-height: 1.75;
}

.entry-content h2,
.entry-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.01em;
}

.entry-content h2 { font-size: 1.5rem; }
.entry-content h3 { font-size: 1.2rem; }

.entry-content p { margin-bottom: 1.25rem; }

.entry-content a {
  color: var(--color-accent);
  border-bottom: 1px solid rgba(192,57,43,0.3);
  transition: border-color var(--transition);
}

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

.entry-content blockquote {
  border-left: 3px solid var(--color-accent);
  margin: 1.5rem 0;
  padding: 0.75rem 0 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-mid);
}

.entry-content ul,
.entry-content ol {
  margin: 0 0 1.25rem 1.5rem;
}

.entry-content li { margin-bottom: 0.4rem; }

.entry-content pre {
  background: var(--color-ink);
  color: #e8e3da;
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 1.5rem 0;
}

.entry-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(0,0,0,0.06);
  padding: 0.1em 0.35em;
  border-radius: 2px;
}

.entry-content pre code { background: none; padding: 0; }

/* ==========================================================================
   Chapter Archive
   ========================================================================== */

.archive-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-ink);
}

.archive-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  display: block;
}

.archive-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.chronicle-pagination {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.chronicle-pagination a,
.chronicle-pagination .current {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-rule);
  transition: all var(--transition);
}

.chronicle-pagination a:hover,
.chronicle-pagination .current {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

/* ==========================================================================
   Widgets
   ========================================================================== */

.widget { margin-bottom: 2rem; }

.widget-title {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-rule);
}

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

.chronicle-footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--color-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--color-mid);
}

.footer-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.footer-nav ul li a:hover { color: var(--color-ink); }

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

.comments-area { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-rule); }

.comments-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

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

.comment { margin-bottom: 1.5rem; padding: 1.25rem; background: rgba(0,0,0,0.03); }

.comment-author { font-family: var(--font-sans); font-weight: 600; font-size: 0.82rem; margin-bottom: 0.25rem; }

.comment-meta { font-family: var(--font-sans); font-size: 0.65rem; color: var(--color-mid); margin-bottom: 0.75rem; }

.comment-form input,
.comment-form textarea {
  width: 100%;
  border: 1px solid var(--color-rule);
  background: #fff;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  margin-bottom: 0.75rem;
}

.comment-form input:focus,
.comment-form textarea:focus { border-color: var(--color-ink); }

.comment-form .submit {
  background: var(--color-ink);
  color: var(--color-paper);
  border: none;
  padding: 0.65rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition);
}

.comment-form .submit:hover { background: var(--color-accent); }

/* ==========================================================================
   Utility
   ========================================================================== */

.screen-reader-text {
  clip: rect(1px,1px,1px,1px);
  clip-path: inset(50%);
  height: 1px; width: 1px;
  overflow: hidden; white-space: nowrap;
  position: absolute;
}

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

@media (max-width: 900px) {
  .chronicle-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
  }

  .chronicle-sidebar {
    grid-column: 1;
    grid-row: 1;
    position: static;
    height: auto;
    overflow: visible;
  }

  .chronicle-header  { grid-column: 1; grid-row: 2; }
  .chronicle-main    { grid-column: 1; grid-row: 3; }
  .chronicle-footer  { grid-column: 1; grid-row: 4; }

  .sidebar-photos { grid-template-columns: 1fr 1fr 1fr; }
  .sidebar-photos .photo-large { grid-column: 1 / -1; }

  .chronicle-main { padding: 2rem 1.5rem; }
  .chronicle-header { padding: 1rem 1.5rem; }
  .chronicle-footer { padding: 1.5rem; flex-direction: column; text-align: center; }

  .photo-grid { grid-template-columns: repeat(3, 1fr); }
  .photo-grid .grid-featured { grid-column: 1 / -1; grid-row: auto; }
}

@media (max-width: 600px) {
  .post-card { grid-template-columns: 1fr; }
  .post-card-thumb { display: none; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
}