/*
Theme Name:        The Journal
Theme URI:         https://example.com/the-journal
Author:            The Journal Team
Author URI:        https://example.com
Description:       A newspaper-style WordPress theme with carousel, article list, and sidebar.
Version:           1.0.0
Requires at least: 6.0
Tested up to:      6.5
Requires PHP:      7.4
License:           GNU General Public License v2 or later
License URI:       https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:       the-journal
Tags:              blog, news, two-columns, custom-menu, featured-images, sticky-post, threaded-comments
*/

/* ============================================
   THE JOURNAL — Theme Stylesheet
   字体：系统衬线 + 等宽，拒绝 AI 常用字体
   配色：黑白印刷 + 暖黄 #c8a84b + 砖红 #8b3a2a
   ============================================ */

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

:root {
  --ink:       #111111;
  --paper:     #f5f0e8;
  --paper-alt: #ede8dc;
  --gold:      #c8a84b;
  --brick:     #8b3a2a;
  --muted:     #6b6355;
  --rule:      #c4bfb2;

  --font-serif: Georgia, "Times New Roman", "宋体", SimSun, serif;
  --font-mono:  "Courier New", Courier, "仿宋", FangSong, monospace;
  --font-sans:  "Helvetica Neue", Helvetica, "黑体", SimHei, sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2.5rem;
}

.header-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  width: 120px;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
}

.header-nav {
  display: flex;
  gap: 2rem;
  justify-content: flex-end;
}

.header-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.header-nav a:hover {
  color: var(--ink);
}

.header-rule {
  height: 2px;
  background: var(--ink);
}

/* ===== HEADER SEARCH ===== */
.header-search {
  display: flex;
  align-items: center;
}

.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 4px 2px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
  line-height: 1;
}

.search-toggle:hover,
.search-toggle[aria-expanded="true"] {
  color: var(--ink);
}

/* ===== SEARCH OVERLAY ===== */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 199;
  background: rgba(17, 17, 17, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.search-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* 搜索栏本体：紧贴 header 下方滑出 */
.search-overlay-inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  border-bottom: 2px solid var(--gold);
  padding: 1.4rem 2.5rem;
  transform: translateY(-100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.search-overlay.is-open .search-overlay-inner {
  transform: translateY(0);
}

.search-overlay-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-overlay-form {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.2);
}

.search-overlay-form input[type="search"] {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--paper);
  padding: 0.3rem 0;
  caret-color: var(--gold);
  -webkit-appearance: none;
}

.search-overlay-form input[type="search"]::-webkit-search-cancel-button {
  display: none;
}

.search-overlay-form input::placeholder {
  color: rgba(245, 240, 232, 0.2);
  font-weight: 400;
}

.search-overlay-submit {
  background: none;
  border: none;
  color: rgba(245, 240, 232, 0.35);
  cursor: pointer;
  padding: 0.3rem 0 0.3rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  flex-shrink: 0;
  transition: color 0.2s;
}

.search-overlay-submit:hover {
  color: var(--gold);
}

.search-overlay-close {
  background: none;
  border: 1px solid rgba(245, 240, 232, 0.15);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245, 240, 232, 0.35);
  cursor: pointer;
  padding: 0.35rem 0.7rem;
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.search-overlay-close:hover {
  border-color: rgba(245, 240, 232, 0.5);
  color: var(--paper);
}

/* ===== SEARCH RESULTS ===== */
.archive-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-top: 0.4rem;
}

.search-no-results {
  padding: 3rem 0;
}

.search-no-results p {
  font-family: var(--font-serif);
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.search-no-results-form {
  display: flex;
  gap: 0;
  max-width: 400px;
}

.search-no-results-form input {
  flex: 1;
  border: 1px solid var(--rule);
  border-right: none;
  background: var(--paper-alt);
  padding: 0.6rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
  outline: none;
}

.search-no-results-form input:focus {
  border-color: var(--ink);
}

.search-no-results-form button {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 0.6rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.search-no-results-form button:hover {
  background: var(--brick);
}

/* ===== PAGINATION ===== */
.pagination {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.pagination .nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pagination .page-numbers {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--rule);
  transition: border-color 0.2s, color 0.2s;
}

.pagination .page-numbers.current {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.pagination .page-numbers:hover:not(.current) {
  border-color: var(--ink);
  color: var(--ink);
}



/* ===== CAROUSEL ===== */
.carousel {
  position: relative;
  overflow: hidden;
  background: var(--ink);
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.carousel-slide {
  min-width: 100%;
  height: 520px;
  background: var(--bg, #1a1a1a);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem 3.5rem;
  position: relative;
  overflow: hidden;
}

.carousel-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255,255,255,0.015) 3px,
    rgba(255,255,255,0.015) 4px
  );
  pointer-events: none;
}

.slide-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.slide-content {
  max-width: 640px;
}

.slide-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--paper);
  margin-bottom: 1rem;
}

.slide-excerpt {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgba(245, 240, 232, 0.65);
  margin-bottom: 1.5rem;
  max-width: 480px;
}

.slide-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.slide-link:hover {
  opacity: 0.7;
}

.slide-number {
  position: absolute;
  top: 2.5rem;
  right: 3rem;
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  user-select: none;
}

.carousel-controls {
  position: absolute;
  bottom: 2rem;
  right: 3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ctrl-btn {
  background: none;
  border: 1px solid rgba(245,240,232,0.3);
  color: var(--paper);
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}

.ctrl-btn:hover {
  border-color: var(--gold);
  background: rgba(200,168,75,0.1);
}

.carousel-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 6px;
  height: 6px;
  background: rgba(245,240,232,0.3);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.dot.active {
  background: var(--gold);
  transform: scale(1.4);
}

.carousel-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255,255,255,0.1);
}

.progress-bar {
  height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width 0.1s linear;
}

/* ===== TICKER ===== */
.ticker-wrap {
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  padding: 0.55rem 0;
}

.ticker-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1.5rem;
}

.ticker-inner > span:first-child {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  flex-shrink: 0;
}

.ticker-track {
  display: flex;
  gap: 2rem;
  animation: ticker 22s linear infinite;
  white-space: nowrap;
}

.ticker-track span {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: rgba(245,240,232,0.55);
}

.ticker-track .sep {
  color: var(--gold);
}

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== MAIN GRID ===== */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2.5rem;
}

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
}

.section-more {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.2s;
}

.section-more:hover {
  color: var(--brick);
}

/* ===== ARTICLE CARDS ===== */
.articles-section {
  padding-right: 3rem;
  border-right: 1px solid var(--rule);
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.article-card {
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--rule);
}

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

.article-card.featured {
  padding-bottom: 2.2rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.card-cat {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--brick);
  padding: 2px 7px;
}

.card-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.3;
  transition: color 0.2s;
}

.featured .card-title {
  font-size: 1.75rem;
}

.article-card:not(.featured) .card-title {
  font-size: 1.2rem;
}

.article-card:hover .card-title {
  color: var(--brick);
}

.card-excerpt {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

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

.card-author {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.card-read {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--brick);
  transition: opacity 0.2s;
}

.card-read:hover {
  opacity: 0.65;
}

/* ===== SIDEBAR ===== */
.sidebar {
  padding-left: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.sidebar-block {
  border-top: 2px solid var(--ink);
  padding-top: 1.2rem;
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1rem;
}

/* 分类列表 */
.cat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.cat-list li {
  border-bottom: 1px solid var(--rule);
}

.cat-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0;
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--ink);
  transition: color 0.2s;
}

.cat-list a:hover {
  color: var(--brick);
}

.cat-list span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
}

/* 引言 */
.sidebar-quote {
  background: var(--paper-alt);
  border: none;
  padding: 1.5rem;
  border-left: 3px solid var(--gold);
}

.sidebar-quote blockquote {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 0.8rem;
}

.sidebar-quote cite {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  font-style: normal;
}

/* 热门列表 */
.hot-list {
  list-style: none;
  counter-reset: hot;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hot-list li {
  counter-increment: hot;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.hot-list li::before {
  content: counter(hot, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold);
  flex-shrink: 0;
}

.hot-list a {
  display: block;
  padding: 0.55rem 0;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--ink);
  transition: color 0.2s;
}

.hot-list a:hover {
  color: var(--brick);
}

/* 订阅 */
.sidebar-subscribe p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.subscribe-form input {
  background: var(--paper-alt);
  border: 1px solid var(--rule);
  padding: 0.55rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.subscribe-form input:focus {
  border-color: var(--ink);
}

.subscribe-form button {
  background: var(--ink);
  color: var(--paper);
  border: none;
  padding: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.subscribe-form button:hover {
  background: var(--brick);
}

/* ===== SINGLE POST ===== */
.single-post {
  max-width: 760px;
  margin: 3rem auto;
  padding: 0 2.5rem;
}

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

.post-header .card-meta {
  margin-bottom: 1rem;
}

.post-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 1rem;
}

.post-byline {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.post-thumbnail {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 2rem;
}

.post-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink);
}

.post-content p { margin-bottom: 1.4rem; }
.post-content h2 { font-size: 1.5rem; margin: 2rem 0 1rem; }
.post-content h3 { font-size: 1.2rem; margin: 1.8rem 0 0.8rem; }
.post-content blockquote {
  border-left: 3px solid var(--gold);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--paper-alt);
  font-style: italic;
}
.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}
.post-content li { margin-bottom: 0.4rem; }

.post-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.post-nav a { color: var(--brick); }
.post-nav a:hover { opacity: 0.7; }

/* ===== ARCHIVE ===== */
.archive-header {
  max-width: 1200px;
  margin: 2.5rem auto 0;
  padding: 0 2.5rem 1.5rem;
  border-bottom: 2px solid var(--ink);
}

.archive-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.archive-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
}

/* ===== PAGE ===== */
.page-content {
  max-width: 760px;
  margin: 3rem auto;
  padding: 0 2.5rem;
}

.page-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--ink);
}

/* ===== 404 ===== */
.error-404 {
  max-width: 600px;
  margin: 6rem auto;
  padding: 0 2.5rem;
  text-align: center;
}

.error-404 .error-code {
  font-family: var(--font-mono);
  font-size: 6rem;
  font-weight: 700;
  color: var(--rule);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-404 h1 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.error-404 p {
  font-family: var(--font-serif);
  color: var(--muted);
  margin-bottom: 2rem;
}

.btn-home {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 0.7rem 1.5rem;
  transition: background 0.2s;
}

.btn-home:hover { background: var(--brick); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--ink);
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--paper);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(245,240,232,0.4);
  letter-spacing: 0.08em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }

  .articles-section {
    padding-right: 0;
    border-right: none;
    border-bottom: 2px solid var(--ink);
    padding-bottom: 2.5rem;
    margin-bottom: 2.5rem;
  }

  .sidebar {
    padding-left: 0;
  }

  .header-inner {
    padding: 0.8rem 1.5rem;
  }

  .header-meta {
    display: none;
  }

  .carousel-slide {
    height: 420px;
    padding: 2rem 1.5rem;
  }

  .slide-number {
    right: 1.5rem;
  }

  .carousel-controls {
    right: 1.5rem;
  }
}

@media (max-width: 560px) {
  .site-logo {
    font-size: 1.1rem;
  }

  .header-nav {
    gap: 1.2rem;
    width: auto;
  }

  .carousel-slide {
    height: 380px;
  }

  .slide-title {
    font-size: 1.8rem;
  }
}