/*
Theme Name: Con Duong Ba Chu
Theme URI: https://conduongbachu.vip
Description: Theme cho website Con Đường Bá Chủ — giao diện đọc truyện nền tối, không cần theme cha.
Author: Winter
Version: 1.0.0
Text Domain: conduongbachu
*/

/* ==========================================================================
   Design tokens (dark reading palette, mirrors conduongbachu.vip)
   ========================================================================== */
:root {
  --cdbc-bg: #0e0e0e;
  --cdbc-bg-soft: #171717;
  --cdbc-bg-card: #1c1c1c;
  --cdbc-text: #e6e6e6;
  --cdbc-muted: #9a9a9a;
  --cdbc-accent: #b20000;
  --cdbc-accent-hover: #e60000;
  --cdbc-border: #2a2a2a;
  --cdbc-maxw: 1100px;
  --cdbc-readw: 820px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background-color: var(--cdbc-bg);
  color: var(--cdbc-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

a { color: #d0d0d0; text-decoration: none; }
a:hover { color: var(--cdbc-accent-hover); }

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

.cdbc-container {
  max-width: var(--cdbc-maxw);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.cdbc-header {
  background-color: #0a0a0a;
  border-bottom: 1px solid var(--cdbc-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.cdbc-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}
.cdbc-logo img { display: block; max-height: 56px; width: auto; }
.cdbc-logo-text {
  color: var(--cdbc-accent);
  font-weight: 800;
  font-size: 1.3rem;
  text-transform: uppercase;
}

/* Primary nav */
.cdbc-nav ul {
  list-style: none;
  display: flex;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
  align-items: center;
}
.cdbc-nav li { position: relative; }
.cdbc-nav a {
  color: var(--cdbc-text);
  text-transform: uppercase;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .4rem 0;
  display: block;
}
.cdbc-nav a:hover { color: var(--cdbc-accent-hover); }
/* Dropdown submenus */
.cdbc-nav .sub-menu,
.cdbc-nav .children {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #141414;
  border: 1px solid var(--cdbc-border);
  padding: .4rem 0;
  display: none;
  flex-direction: column;
  gap: 0;
  z-index: 200;
}
.cdbc-nav li:hover > .sub-menu,
.cdbc-nav li:hover > .children { display: flex; }
.cdbc-nav .sub-menu a { padding: .5rem 1rem; text-transform: none; font-weight: 500; }

/* Header search box */
.cdbc-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--cdbc-border);
  border-radius: 4px;
  overflow: hidden;
  background: #141414;
}
.cdbc-search input[type="search"] {
  background: transparent;
  border: 0;
  color: var(--cdbc-text);
  padding: .45rem .6rem;
  font-size: .85rem;
  width: 180px;
  outline: none;
}
.cdbc-search input[type="search"]::placeholder { color: #777; }
.cdbc-search button {
  background: var(--cdbc-accent);
  border: 0;
  color: #fff;
  padding: .45rem .7rem;
  cursor: pointer;
  font-size: .85rem;
}
.cdbc-search button:hover { background: var(--cdbc-accent-hover); }

/* Mobile nav toggle */
.cdbc-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--cdbc-border);
  color: var(--cdbc-text);
  font-size: 1.4rem;
  line-height: 1;
  padding: .3rem .6rem;
  border-radius: 4px;
  cursor: pointer;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.cdbc-hero {
  position: relative;
  text-align: center;
  padding: 6rem 1rem;
  background:
    linear-gradient(rgba(0,0,0,.6), rgba(0,0,0,.85)),
    radial-gradient(circle at 50% 30%, #1e1e1e, #0a0a0a 70%);
}
.cdbc-hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 0 1rem;
  color: #fff;
  letter-spacing: .02em;
}
.cdbc-hero p {
  max-width: 640px;
  margin: 0 auto 1.8rem;
  color: #cfcfcf;
  font-size: 1.05rem;
}
.cdbc-hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.cdbc-btn {
  display: inline-block;
  padding: .8rem 1.8rem;
  border: 2px solid #fff;
  color: #fff;
  text-transform: uppercase;
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .04em;
  border-radius: 3px;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.cdbc-btn:hover { background: var(--cdbc-accent); border-color: var(--cdbc-accent); color: #fff; }
.cdbc-btn-accent { border-color: var(--cdbc-accent); background: var(--cdbc-accent); }
.cdbc-btn-accent:hover { background: var(--cdbc-accent-hover); border-color: var(--cdbc-accent-hover); }

/* ==========================================================================
   Sections & listings
   ========================================================================== */
.cdbc-section { padding: 3rem 0; }
.cdbc-section-title {
  text-align: center;
  text-transform: uppercase;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 1.8rem;
  position: relative;
}
.cdbc-section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--cdbc-accent);
  margin: .7rem auto 0;
}

.cdbc-chapter-list { list-style: none; margin: 0; padding: 0; }
.cdbc-chapter-list li { border-bottom: 1px solid var(--cdbc-border); }
.cdbc-chapter-list li a {
  color: var(--cdbc-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .7rem .25rem;
}
.cdbc-chapter-list li a:hover { color: var(--cdbc-accent-hover); background: var(--cdbc-bg-soft); }
.cdbc-chapter-list .cdbc-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cdbc-chapter-list .cdbc-date { color: var(--cdbc-muted); font-size: .82em; white-space: nowrap; }

/* Character / library cards grid */
.cdbc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}
.cdbc-card {
  background: var(--cdbc-bg-card);
  border: 1px solid var(--cdbc-border);
  border-radius: 6px;
  overflow: hidden;
}
.cdbc-card .cdbc-card-body { padding: 1rem; }
.cdbc-card h3 { margin: 0 0 .4rem; font-size: 1.05rem; }
.cdbc-card h3 a { color: #fff; }
.cdbc-card p { color: var(--cdbc-muted); font-size: .9rem; margin: 0; }

/* Character cards (portrait on top) */
.cdbc-char-card { display: block; color: inherit; transition: transform .15s ease, border-color .15s ease; }
.cdbc-char-card:hover { transform: translateY(-3px); border-color: var(--cdbc-accent); }
.cdbc-char-card h3 { font-size: .98rem; text-align: center; }
.cdbc-char-thumb { aspect-ratio: 3 / 4; overflow: hidden; background: #0a0a0a; }
.cdbc-char-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ==========================================================================
   Single chapter reading view
   ========================================================================== */
.cdbc-article {
  max-width: var(--cdbc-readw);
  margin: 2.5rem auto;
  padding: 0 1rem;
}
.cdbc-article-title {
  text-align: center;
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  color: #fff;
  margin: 0 0 .5rem;
}
.cdbc-article-meta {
  text-align: center;
  color: var(--cdbc-muted);
  font-size: .85rem;
  margin-bottom: 2rem;
}
.cdbc-content {
  background: var(--cdbc-bg-soft);
  border: 1px solid var(--cdbc-border);
  border-radius: 6px;
  padding: 1.8rem 1.6rem;
  font-size: 1.08rem;
  line-height: 1.95;
  color: #dcdcdc;
}
.cdbc-content p { margin: 0 0 1.15em; }
/* Rich content (e.g. the "Giới thiệu" page): headings, lists, links */
.cdbc-content h2 {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 2rem 0 .9rem;
  padding-left: .8rem;
  border-left: 4px solid var(--cdbc-accent);
  line-height: 1.3;
}
.cdbc-content h2:first-child { margin-top: 0; }
.cdbc-content h3 { color: #fff; font-size: 1.15rem; margin: 1.6rem 0 .7rem; }
.cdbc-content ul, .cdbc-content ol { margin: 0 0 1.15em; padding-left: 1.4rem; }
.cdbc-content li { margin: 0 0 .5em; }
.cdbc-content ul li::marker { color: var(--cdbc-accent-hover); }
.cdbc-content a { color: var(--cdbc-accent-hover); text-decoration: underline; }
.cdbc-content strong { color: #fff; }

/* Auto-generated intro line above the chapter body */
.cdbc-chapter-intro {
  color: var(--cdbc-muted);
  font-size: .95rem;
  font-style: italic;
  border-left: 3px solid var(--cdbc-accent);
  padding: .3rem 0 .3rem .9rem;
  margin: 0 0 1.4rem;
}
.cdbc-chapter-intro strong { color: var(--cdbc-text); font-style: normal; }

/* Prev / index / next navigation */
.cdbc-chapter-nav {
  display: flex;
  justify-content: space-between;
  gap: .8rem;
  margin: 1.8rem 0;
  flex-wrap: wrap;
}
.cdbc-chapter-nav a {
  flex: 1 1 30%;
  text-align: center;
  padding: .75rem .8rem;
  border: 1px solid var(--cdbc-accent);
  color: #fff;
  border-radius: 4px;
  font-size: .85rem;
  transition: background .15s ease;
}
.cdbc-chapter-nav a:hover { background: var(--cdbc-accent); color: #fff; }
.cdbc-chapter-nav a.cdbc-nav-mid { border-color: var(--cdbc-border); }
.cdbc-chapter-nav a.is-disabled { opacity: .4; pointer-events: none; }

/* Reading navigation replicating conduongbachu.vip */
.chapter-filter-container { margin: 1.6rem 0 1rem; }
.chapter-breadcrumb {
  font-size: .9rem;
  margin-bottom: .7rem;
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  align-items: center;
}
.chapter-breadcrumb .category-name { color: var(--cdbc-accent-hover); font-weight: 600; }
.chapter-breadcrumb .breadcrumb-separator { color: var(--cdbc-muted); }
.chapter-breadcrumb .current-chapter { color: var(--cdbc-text); }

.chapter-select-wrapper { position: relative; }
.chapter-selector {
  width: 100%;
  background: var(--cdbc-bg-card);
  color: var(--cdbc-text);
  border: 1px solid var(--cdbc-border);
  border-radius: 6px;
  padding: .7rem 2.4rem .7rem 1rem;
  font-size: .95rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23b20000' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
.chapter-selector:focus { outline: none; border-color: var(--cdbc-accent); }

.chapter-navigation-buttons {
  display: flex;
  justify-content: space-between;
  gap: .8rem;
  margin: 1.2rem 0;
}
.chapter-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .7rem 1.2rem;
  border: 1px solid var(--cdbc-accent);
  border-radius: 6px;
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  transition: background .15s ease;
}
.chapter-nav-btn:hover { background: var(--cdbc-accent); color: #fff; }
.chapter-nav-btn svg { display: block; }
.chapter-nav-btn.disabled {
  border-color: var(--cdbc-border);
  color: var(--cdbc-muted);
  opacity: .5;
  cursor: not-allowed;
}
.chapter-nav-btn.disabled:hover { background: transparent; }

/* Archive header */
.cdbc-archive-header {
  text-align: center;
  padding: 2.5rem 1rem 1rem;
}
.cdbc-archive-header h1 {
  color: #fff;
  text-transform: uppercase;
  font-size: 1.8rem;
  margin: 0 0 .4rem;
}
.cdbc-archive-header p { color: var(--cdbc-muted); margin: 0; }

/* Pagination */
.cdbc-pagination {
  display: flex;
  justify-content: center;
  gap: .4rem;
  margin: 2.5rem 0;
  flex-wrap: wrap;
}
.cdbc-pagination .page-numbers {
  padding: .5rem .85rem;
  border: 1px solid var(--cdbc-border);
  border-radius: 4px;
  color: var(--cdbc-text);
}
.cdbc-pagination .page-numbers.current { background: var(--cdbc-accent); border-color: var(--cdbc-accent); color: #fff; }
.cdbc-pagination a.page-numbers:hover { border-color: var(--cdbc-accent); color: #fff; }

/* ==========================================================================
   Footer
   ========================================================================== */
.cdbc-footer {
  background: #080808;
  border-top: 1px solid var(--cdbc-border);
  color: var(--cdbc-muted);
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}
.cdbc-footer a { color: var(--cdbc-muted); }
.cdbc-footer a:hover { color: var(--cdbc-accent-hover); }
.cdbc-footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 1.5rem;
}
.cdbc-footer h4 { color: #fff; font-size: 1rem; margin: 0 0 .8rem; text-transform: uppercase; }
.cdbc-footer ul { list-style: none; padding: 0; margin: 0; }
.cdbc-footer li { padding: .25rem 0; }
.cdbc-footer-bottom {
  text-align: center;
  border-top: 1px solid var(--cdbc-border);
  padding-top: 1.2rem;
  font-size: .85rem;
}

/* ==========================================================================
   Reader feedback (testimonials)
   ========================================================================== */
.cdbc-review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.cdbc-review {
  position: relative;
  background: linear-gradient(160deg, #202020 0%, #181818 100%);
  border: 1px solid var(--cdbc-border);
  border-radius: 12px;
  padding: 2.4rem 1.6rem 1.5rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
/* Top accent bar */
.cdbc-review::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cdbc-accent), var(--cdbc-accent-hover), transparent);
  opacity: .8;
}
/* Decorative opening quote */
.cdbc-review::after {
  content: "\201C";
  position: absolute;
  top: .35rem;
  right: 1.1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.5rem;
  line-height: 1;
  color: var(--cdbc-accent);
  opacity: .18;
  pointer-events: none;
}
.cdbc-review:hover {
  transform: translateY(-5px);
  border-color: var(--cdbc-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .45);
}
.cdbc-stars { color: #f5b301; font-size: 1.05rem; letter-spacing: .18em; }
.cdbc-review blockquote {
  margin: 0;
  color: #e2e2e2;
  font-style: italic;
  font-size: .98rem;
  line-height: 1.75;
  flex: 1;
}
.cdbc-review figcaption {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-top: .9rem;
  border-top: 1px solid var(--cdbc-border);
}
.cdbc-avatar {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, var(--cdbc-accent), var(--cdbc-accent-hover));
  box-shadow: 0 0 0 3px rgba(178, 0, 0, .18);
}
.cdbc-review-meta { display: flex; flex-direction: column; line-height: 1.3; }
.cdbc-review-name { color: #fff; font-weight: 700; font-size: .95rem; }
.cdbc-review-role {
  color: var(--cdbc-accent-hover);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ==========================================================================
   FAQ accordion
   ========================================================================== */
.cdbc-faq-container { max-width: 820px; }
.cdbc-faq { display: flex; flex-direction: column; gap: .8rem; }
.cdbc-faq-item {
  position: relative;
  background: var(--cdbc-bg-card);
  border: 1px solid var(--cdbc-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.cdbc-faq-item:hover { border-color: #3a3a3a; }
.cdbc-faq-item[open] {
  border-color: var(--cdbc-accent);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
}
/* Left accent bar that grows in when open */
.cdbc-faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cdbc-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .2s ease;
}
.cdbc-faq-item[open]::before { transform: scaleY(1); }
.cdbc-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.3rem;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color .15s ease;
}
.cdbc-faq-item summary::-webkit-details-marker { display: none; }
.cdbc-faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(178, 0, 0, .15);
  color: var(--cdbc-accent-hover);
  font-size: 1.3rem;
  line-height: 1;
  transition: transform .25s ease, background .2s ease;
}
.cdbc-faq-item[open] summary::after {
  content: "+";
  transform: rotate(135deg);
  background: var(--cdbc-accent);
  color: #fff;
}
.cdbc-faq-item summary:hover { color: var(--cdbc-accent-hover); }
.cdbc-faq-answer {
  padding: 0 1.3rem 1.2rem;
  color: #b8b8b8;
  font-size: .95rem;
  line-height: 1.7;
  animation: cdbc-faq-reveal .25s ease;
}
@keyframes cdbc-faq-reveal {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cdbc-faq-answer p { margin: 0 0 .7rem; }
.cdbc-faq-answer p:last-child { margin-bottom: 0; }
.cdbc-faq-answer strong { color: var(--cdbc-text); }
.cdbc-faq-answer a { color: var(--cdbc-accent-hover); text-decoration: underline; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 782px) {
  .cdbc-nav-toggle { display: block; }
  .cdbc-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: #0a0a0a;
    border-bottom: 1px solid var(--cdbc-border);
    display: none;
  }
  .cdbc-nav.is-open { display: block; }
  .cdbc-nav ul { flex-direction: column; gap: 0; align-items: stretch; padding: .5rem 1rem; }
  .cdbc-nav .sub-menu,
  .cdbc-nav .children { position: static; display: flex; border: none; padding-left: 1rem; }
  .cdbc-hero { padding: 4rem 1rem; }
  .cdbc-search { order: 3; margin-left: auto; }
  .cdbc-search input[type="search"] { width: 120px; }
}