/* ============================================================
   PHUYENTRAVEL — page-cms.css
   Match style: single.css — variables, màu sắc, spacing đồng nhất
   ============================================================ */

.pht-cms-page {
  --pht-main: #dd3333;
  --pht-bg: #ffffff;
  --pht-bg-soft: #fafafa;
  --pht-text: #282828;
  --pht-text-light: #666666;
  --pht-line: #e9e9e9;
  --pht-radius: 13px;
  --pht-radius-sm: 8px;
  --pht-container: 1200px;
  --pht-font-title: "Poppins", "Outfit", Verdana, sans-serif;
  --pht-font-body: "Outfit", "Oxygen", Verdana, sans-serif;
}

.pht-cms-page {
  background: var(--pht-bg);
}

body[data-theme="dark"] .pht-cms-page {
  --pht-bg: #0c1422;
  --pht-bg-soft: #101b2d;
  --pht-text: #e8edf7;
  --pht-text-light: #9ba8bc;
  --pht-line: #223046;
  background:
    radial-gradient(circle at top left, rgba(221, 51, 51, 0.08), transparent 30%),
    var(--pht-bg);
}

.pht-cms-container {
  max-width: var(--pht-container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================================
   HERO
   ============================================================ */
.pht-cms-hero {
  position: relative;
  min-height: 365px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pht-cms-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1);
  transition: transform 12s linear;
}

.pht-cms-hero:hover .pht-cms-hero-bg {
  transform: scale(1.06);
}

.pht-cms-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.34),
    rgba(0, 0, 0, 0.52)
  );
}

.pht-cms-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  min-height: 365px;
  padding: 86px 20px 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.pht-cms-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--pht-font-body);
  font-size: 13px;
  color: rgba(255,255,255,.72);
}

.pht-cms-breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color .2s;
}

.pht-cms-breadcrumb a:hover {
  color: #fff;
}

.pht-cms-hero-tagline {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--pht-font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.pht-cms-hero-title {
  max-width: 1200px;
  margin: 0;
  font-family: var(--pht-font-title);
  font-size: clamp(2.5rem, 6vw, 5.15rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #fff;
  text-shadow: 0 6px 26px rgba(0, 0, 0, 0.2);
}

.pht-cms-hero-brush {
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  z-index: 3;
  line-height: 0;
  pointer-events: none;
}

.pht-cms-hero-brush img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70px;
  min-height: 28px;
  object-fit: cover;
  object-position: top center;
}

/* ============================================================
   BODY
   ============================================================ */
.pht-cms-body {
  background: var(--pht-bg);
  padding: 52px 0 80px;
}

.pht-cms-intro {
  margin: 0 auto 40px;
  max-width: 1160px;
}

.pht-cms-intro-text {
  font-family: var(--pht-font-body);
  font-size: 18px;
  line-height: 1.7;
  color: #3f3f3f;
}

body[data-theme="dark"] .pht-cms-intro-text {
  color: var(--pht-text-light);
}

.pht-cms-intro-text p {
  margin: 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.pht-cms-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

/*
 * SIDEBAR: position:relative — bắt buộc để absolute fallback hoạt động
 * JS sẽ set position:fixed trên .pht-cms-toc khi cuộn
 * Không dùng position:sticky vì WP theme thường có overflow:hidden
 * trên wrapper elements khiến CSS sticky vô hiệu
 */
.pht-cms-sidebar {
  position: relative;
  min-width: 0;
}

/* TOC card */
.pht-cms-toc {
  padding: 18px 26px 28px;
  border: 1px solid var(--pht-line);
  border-radius: var(--pht-radius);
  background: var(--pht-bg);
  box-shadow: 0 14px 36px rgba(17, 17, 17, 0.05);
  /* z-index khi fixed — đảm bảo nổi trên content */
  z-index: 100;
}

body[data-theme="dark"] .pht-cms-toc {
  background: rgba(16, 27, 45, 0.94);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

/* Toggle chỉ visible trên ≤1024px */
.pht-cms-toc-toggle {
  display: none;
}
.pht-cms-toc-panel {
  display: block;
}

/* TOC title — màu var(--pht-main) match site */
.pht-cms-toc-title {
  margin: 0 0 26px;
  font-family: var(--pht-font-title);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--pht-main);
  padding: 0;
}

.pht-cms-toc-list {
  margin: 0;
  padding: 0;
  list-style: decimal inside;
}

.pht-cms-toc-item {
  margin-bottom: 16px;
  font-family: var(--pht-font-body);
  font-size: 16px;
  line-height: 1.55;
  color: #323232;
}

body[data-theme="dark"] .pht-cms-toc-item {
  color: #d7deea;
}

.pht-cms-toc-item a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.pht-cms-toc-item a:hover {
  color: var(--pht-main);
}

/* Active TOC link — highlight khi heading vào viewport */
.pht-cms-toc-item a.is-active {
  color: var(--pht-main);
  font-weight: 600;
}

.pht-cms-toc-item--level-3 {
  font-size: 15px;
  color: var(--pht-text-light);
}

/* ============================================================
   MAIN CONTENT — match single.css .pht-content
   ============================================================ */
.pht-cms-maincol {
  min-width: 0;
}

.pht-cms-article {
  max-width: 860px;
}

.pht-cms-content {
  font-family: var(--pht-font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--pht-text);
}

.pht-cms-content > :first-child {
  margin-top: 0;
}

.pht-cms-content p {
  margin: 0 0 1.35em;
  font-size: 16px;
  line-height: 1.7;
  color: var(--pht-text);
}

.pht-cms-content h2,
.pht-cms-content h3,
.pht-cms-content h4,
.pht-cms-content h5,
.pht-cms-content h6 {
  margin: 1.5em 0 0.58em;
  font-family: var(--pht-font-title);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #000;
  scroll-margin-top: 110px;
  text-transform: none;
}

body[data-theme="dark"] .pht-cms-content h2,
body[data-theme="dark"] .pht-cms-content h3,
body[data-theme="dark"] .pht-cms-content h4,
body[data-theme="dark"] .pht-cms-content h5,
body[data-theme="dark"] .pht-cms-content h6 {
  color: #f5f7fb;
}

.pht-cms-content h2 {
  font-size: 32px;
}
.pht-cms-content h3 {
  font-size: 28px;
}
.pht-cms-content h4 {
  font-size: 24px;
}
.pht-cms-content h5 {
  font-size: 20px;
}
.pht-cms-content h6 {
  font-size: 16px;
}

/* Heading đầu tiên — accent màu site, match TOC title */
.pht-cms-content > h2:first-child,
.pht-cms-content > h3:first-child {
  margin-top: 0;
  margin-bottom: 26px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--pht-main);
}

.pht-cms-content strong,
.pht-cms-content b {
  font-weight: 700;
  color: #000;
}

body[data-theme="dark"] .pht-cms-content strong,
body[data-theme="dark"] .pht-cms-content b {
  color: #ffffff;
}

.pht-cms-content a {
  color: var(--pht-main);
  text-decoration: none;
  transition: opacity 0.2s;
}

.pht-cms-content a:hover {
  text-decoration: underline;
}

.pht-cms-content ul,
.pht-cms-content ol {
  margin: 0 0 1.4em 1.6em;
  padding: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--pht-text);
}

.pht-cms-content li {
  margin-bottom: 0.5em;
}

/* Blockquote — hệt single.css */
.pht-cms-content blockquote {
  margin: 2em 0;
  padding: 1.2em 1.6em;
  border-top: 4px solid var(--pht-main);
  border-left: 4px solid var(--pht-main);
  border-radius: 0 var(--pht-radius-sm) var(--pht-radius-sm) 0;
  background: var(--pht-bg-soft);
}

body[data-theme="dark"] .pht-cms-content blockquote {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.pht-cms-content blockquote p {
  margin: 0 0 0.5em;
  font-size: 17px;
  font-style: italic;
  color: #333;
}

body[data-theme="dark"] .pht-cms-content blockquote p {
  color: #d6dfef;
}

.pht-cms-content blockquote cite {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-style: normal;
  color: #888;
}

body[data-theme="dark"] .pht-cms-content blockquote cite,
body[data-theme="dark"] .pht-cms-content figure figcaption {
  color: #93a1b5;
}

.pht-cms-content hr {
  margin: 40px 0;
  border: none;
  border-top: 1px solid var(--pht-line);
}

.pht-cms-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1em 0;
  border-radius: var(--pht-radius-sm);
}

.pht-cms-content figure {
  margin: 1.8em 0;
}

.pht-cms-content figure img {
  border-radius: var(--pht-radius);
}

.pht-cms-content figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: #888;
  text-align: center;
}

.pht-cms-content table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  font-size: 14px;
}

.pht-cms-content th,
.pht-cms-content td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--pht-line);
}

.pht-cms-content th {
  font-family: var(--pht-font-title);
  font-size: 13px;
  font-weight: 600;
  color: #111;
  background: #faf8f5;
}

body[data-theme="dark"] .pht-cms-content th {
  color: #f5f7fb;
  background: #132032;
}

body[data-theme="dark"] .pht-cms-content td {
  color: var(--pht-text-light);
}

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

@media (max-width: 1199px) {
  .pht-cms-hero {
    min-height: 330px;
  }

  .pht-cms-hero-inner {
    min-height: 330px;
    padding-bottom: 82px;
  }

  .pht-cms-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 34px;
  }

  .pht-cms-toc-title {
    font-size: clamp(1.85rem, 4vw, 2.6rem);
  }

  .pht-cms-content > h2:first-child,
  .pht-cms-content > h3:first-child {
    font-size: clamp(1.85rem, 4vw, 2.6rem);
  }
}

/* ── Tablet: ≤ 1024px ── */
@media (max-width: 1024px) {
  .pht-cms-body {
    padding: 42px 0 64px;
  }

  .pht-cms-intro {
    margin-bottom: 32px;
  }

  .pht-cms-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  /* Sidebar về vị trí tự nhiên khi mobile — JS đã reset inline styles */
  .pht-cms-sidebar {
    position: static;
    order: -1;
  }

  /* TOC collapse về accordion */
  .pht-cms-toc {
    padding: 0;
    overflow: hidden;
  }

  .pht-cms-toc-toggle {
    width: 100%;
    padding: 18px 22px;
    border: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    cursor: pointer;
  }

  .pht-cms-toc-toggle-label {
    font-family: var(--pht-font-title);
    font-size: clamp(1.35rem, 4vw, 1.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--pht-main);
  }

  .pht-cms-toc-toggle-icon {
    position: relative;
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
  }

  .pht-cms-toc-toggle-icon::before,
  .pht-cms-toc-toggle-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 2px;
    border-radius: 999px;
    background: var(--pht-main);
    transform: translate(-50%, -50%);
    transition:
      transform 0.2s,
      opacity 0.2s;
  }

  .pht-cms-toc-toggle-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }

  .pht-cms-toc.is-open .pht-cms-toc-toggle-icon::after {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg) scaleX(0);
  }

  .pht-cms-toc-panel {
    display: none;
    padding: 0 22px 22px;
  }

  .pht-cms-toc.is-open .pht-cms-toc-panel {
    display: block;
  }

  .pht-cms-toc-title {
    display: none;
  }

  /* 2 cột TOC list trên tablet */
  .pht-cms-toc-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 30px;
    list-style: decimal inside;
  }

  .pht-cms-article {
    max-width: none;
  }
}

/* ── Mobile: ≤ 768px — match single.css ── */
@media (max-width: 768px) {
  .pht-cms-container {
    padding: 0 15px;
  }

  .pht-cms-hero {
    min-height: 290px;
  }

  .pht-cms-hero-inner {
    min-height: 290px;
    padding: 74px 16px 62px;
  }

  .pht-cms-hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .pht-cms-body {
    padding: 34px 0 50px;
  }

  .pht-cms-intro-text {
    font-size: 16px;
  }

  .pht-cms-toc-list {
    display: block;
    padding-left: 0;
  }

  .pht-cms-content {
    font-size: 15px;
  }

  .pht-cms-content p,
  .pht-cms-content ul,
  .pht-cms-content ol {
    font-size: 15px;
  }

  .pht-cms-content h2 {
    font-size: 28px;
  }
  .pht-cms-content h3 {
    font-size: 24px;
  }
  .pht-cms-content h4 {
    font-size: 20px;
  }

  .pht-cms-content > h2:first-child,
  .pht-cms-content > h3:first-child {
    margin-bottom: 20px;
    font-size: clamp(1.7rem, 8vw, 2.35rem);
  }
}

/* ── Small mobile: ≤ 480px — match single.css ── */
@media (max-width: 480px) {
  .pht-cms-container {
    padding: 0 16px;
  }

  .pht-cms-hero {
    min-height: 245px;
  }

  .pht-cms-hero-inner {
    min-height: 245px;
    padding: 68px 12px 52px;
  }

  .pht-cms-intro-text {
    font-size: 15px;
  }

  .pht-cms-toc-item {
    font-size: 15px;
  }
}