/* ========================================
   DPCN Components
   Built on DPCN Design System Tokens
   ======================================== */

/* -------- Global Base -------- */
body {
  background: var(--dpcn-color-bg);
  color: var(--dpcn-color-text);
  font-family: var(--dpcn-font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.heading-font {
  font-family: var(--dpcn-font-heading);
  color: var(--dpcn-color-text);
  line-height: 1.25;
  margin-top: 0;
}

/* Focus accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: var(--dpcn-shadow-focus);
  border-radius: var(--dpcn-radius-sm);
}

/* -------- Section Title -------- */
.dpcn-section-title {
  color: var(--dpcn-color-text);
  font-size: var(--dpcn-text-hero);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--dpcn-space-4);
  line-height: 1.2;
}

/* -------- Service Card -------- */
.dpcn-service-card {
  background: var(--dpcn-color-surface);
  border: 1px solid var(--dpcn-color-border-subtle);
  border-radius: var(--dpcn-radius-md);
  box-shadow: var(--dpcn-shadow-sm);
  overflow: hidden;
  transition: transform var(--dpcn-duration-base) var(--dpcn-easing-default),
              box-shadow var(--dpcn-duration-base) var(--dpcn-easing-default);
}

.dpcn-service-card:hover {
  box-shadow: var(--dpcn-shadow-md);
  transform: translateY(-4px);
}

/* -------- Buttons -------- */
.button,
button,
input[type="submit"] {
  border-radius: var(--dpcn-radius-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background-color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              border-color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              transform var(--dpcn-duration-fast) var(--dpcn-easing-default),
              box-shadow var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.button:active,
button:active,
input[type="submit"]:active {
  transform: translateY(1px);
}

/* Primary button */
.button.primary,
.button.is-primary,
input[type="submit"] {
  background: linear-gradient(135deg, var(--dpcn-color-primary) 0%, var(--dpcn-color-primary-700) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--dpcn-shadow-xs);
}

.button.primary:hover,
.button.is-primary:hover,
input[type="submit"]:hover {
  background: linear-gradient(135deg, var(--dpcn-color-primary-600) 0%, var(--dpcn-color-primary-800) 100%);
  box-shadow: var(--dpcn-shadow-sm);
}

.button.primary:active,
.button.is-primary:active,
input[type="submit"]:active {
  background: linear-gradient(135deg, var(--dpcn-color-primary-700) 0%, var(--dpcn-color-primary-900) 100%);
}

/* Secondary / Outline button */
.button.secondary,
.button.is-outline {
  border: 2px solid var(--dpcn-color-primary);
  color: var(--dpcn-color-primary);
  background: transparent;
}

.button.secondary:hover,
.button.is-outline:hover {
  background: var(--dpcn-color-primary-50);
  border-color: var(--dpcn-color-primary-700);
  color: var(--dpcn-color-primary-700);
}

/* Accent button */
.button.accent {
  background: linear-gradient(135deg, var(--dpcn-color-accent) 0%, var(--dpcn-color-accent-dark) 100%);
  border-color: transparent;
  color: #fff;
}

.button.accent:hover {
  background: linear-gradient(135deg, var(--dpcn-color-accent-light) 0%, var(--dpcn-color-accent) 100%);
}

/* -------- Blog & Product Cards -------- */
.blog-wrapper .post-item .box,
.products .product-small {
  background: var(--dpcn-color-surface);
  border: 1px solid var(--dpcn-color-border-subtle);
  border-radius: var(--dpcn-radius-md);
  box-shadow: var(--dpcn-shadow-sm);
  overflow: hidden;
  transition: transform var(--dpcn-duration-base) var(--dpcn-easing-default),
              box-shadow var(--dpcn-duration-base) var(--dpcn-easing-default);
}

.blog-wrapper .post-item .box-text,
.products .product-small .box-text {
  padding: var(--dpcn-space-4);
}

.blog-wrapper .post-item .post-title,
.products .product-small .name {
  color: var(--dpcn-color-text);
  font-size: var(--dpcn-text-lg);
  font-weight: 600;
  line-height: 1.4;
}

.blog-wrapper .post-item .from_the_blog_excerpt,
.products .product-small .price {
  color: var(--dpcn-color-muted);
}

.products .product-small .price {
  font-weight: 600;
  font-size: var(--dpcn-text-md);
}

.blog-wrapper .post-item .box:hover,
.products .product-small:hover {
  box-shadow: var(--dpcn-shadow-md);
  transform: translateY(-4px);
}

/* -------- Single Post / Product -------- */
.single-post .entry-content,
.single-product .product-main {
  background: var(--dpcn-color-surface);
  border: 1px solid var(--dpcn-color-border-subtle);
  border-radius: var(--dpcn-radius-md);
  box-shadow: var(--dpcn-shadow-sm);
  padding: var(--dpcn-space-6);
}

.single-post .entry-header-text,
.single-product .product-title {
  margin-bottom: var(--dpcn-space-4);
}

.single-product .product-title {
  font-size: var(--dpcn-text-2xl);
  font-weight: 700;
}

/* -------- Archive Page Titles -------- */
.archive .page-title,
.blog .page-title,
.search .page-title {
  font-size: var(--dpcn-text-4xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--dpcn-color-text);
}

/* -------- Pagination -------- */
.nav-pagination > li > span,
.nav-pagination > li > a {
  border-radius: var(--dpcn-radius-pill);
  font-weight: 600;
  min-width: 40px;
  text-align: center;
  transition: background-color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              color var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.nav-pagination > li > a:hover {
  background: var(--dpcn-color-primary-50);
  color: var(--dpcn-color-primary);
}

.nav-pagination > li > span.current {
  background: var(--dpcn-color-primary);
  color: #fff;
  border-color: var(--dpcn-color-primary);
}

/* -------- Breadcrumbs -------- */
.dpcn-breadcrumbs {
  align-items: center;
  color: var(--dpcn-color-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: var(--dpcn-text-sm);
  gap: var(--dpcn-space-2);
  margin: var(--dpcn-space-2) 0 var(--dpcn-space-3);
}

.dpcn-breadcrumbs a {
  color: var(--dpcn-color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.dpcn-breadcrumbs a:hover {
  color: var(--dpcn-color-primary-700);
  text-decoration: underline;
}

.dpcn-breadcrumbs .separator {
  color: var(--dpcn-color-muted);
  font-size: var(--dpcn-text-xs);
  opacity: 0.7;
}

.dpcn-breadcrumbs span[aria-current="page"] {
  color: var(--dpcn-color-text-secondary);
  font-weight: 500;
}

/* -------- CTA Components -------- */
.dpcn-single-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--dpcn-space-3);
  margin: var(--dpcn-space-5) 0;
}

.dpcn-mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  display: none;
  grid-template-columns: 1fr 1fr;
  background: var(--dpcn-color-dark);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
}

.dpcn-mobile-sticky-cta a {
  color: #fff;
  padding: var(--dpcn-space-3) var(--dpcn-space-4);
  text-align: center;
  font-weight: 600;
  font-size: var(--dpcn-text-sm);
  text-decoration: none;
  transition: background-color var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.dpcn-mobile-sticky-cta a:first-child {
  background: rgba(255, 255, 255, 0.08);
}

.dpcn-mobile-sticky-cta a:first-child:hover {
  background: rgba(255, 255, 255, 0.14);
}

.dpcn-mobile-sticky-cta a:last-child {
  background: var(--dpcn-color-accent);
}

.dpcn-mobile-sticky-cta a:last-child:hover {
  background: var(--dpcn-color-accent-dark);
}

.dpcn-mobile-sticky-cta.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity var(--dpcn-duration-base) var(--dpcn-easing-default),
              transform var(--dpcn-duration-base) var(--dpcn-easing-default);
}

/* -------- Author Hero -------- */
.dpcn-author-hero {
  align-items: stretch;
  background: linear-gradient(135deg, var(--dpcn-color-dark-900) 0%, var(--dpcn-color-primary-800) 100%);
  border-radius: var(--dpcn-radius-lg);
  color: #fff;
  display: flex;
  gap: var(--dpcn-space-5);
  justify-content: space-between;
  margin: var(--dpcn-space-5) 0;
  padding: var(--dpcn-space-6);
  box-shadow: var(--dpcn-shadow-md);
}

.dpcn-author-hero__left {
  align-items: center;
  display: flex;
  gap: var(--dpcn-space-4);
}

.dpcn-author-avatar-wrap img {
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--dpcn-radius-pill);
  transition: border-color var(--dpcn-duration-base) var(--dpcn-easing-default);
}

.dpcn-author-hero:hover .dpcn-author-avatar-wrap img {
  border-color: rgba(255, 255, 255, 0.4);
}

.dpcn-author-name {
  color: #fff;
  font-size: var(--dpcn-text-hero);
  margin: 0;
  font-weight: 700;
}

.dpcn-author-position,
.dpcn-author-joined {
  margin: var(--dpcn-space-1) 0 0;
  opacity: 0.85;
  font-size: var(--dpcn-text-sm);
}

.dpcn-author-hero__stats {
  display: grid;
  gap: var(--dpcn-space-3);
  grid-template-columns: repeat(2, minmax(120px, 1fr));
}

.dpcn-author-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--dpcn-radius-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 80px;
  padding: var(--dpcn-space-3);
  text-align: center;
  transition: background-color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              border-color var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.dpcn-author-stat:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.dpcn-author-stat__value {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
}

.dpcn-author-stat__label {
  font-size: var(--dpcn-text-xs);
  margin-top: var(--dpcn-space-1);
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* -------- Author Bio Card -------- */
.dpcn-author-bio-card {
  background: var(--dpcn-color-surface);
  border: 1px solid var(--dpcn-color-border-subtle);
  border-radius: var(--dpcn-radius-md);
  box-shadow: var(--dpcn-shadow-sm);
  margin: var(--dpcn-space-4) 0 var(--dpcn-space-5);
  padding: var(--dpcn-space-5);
}

.dpcn-author-section-title {
  font-size: var(--dpcn-text-xl);
  margin: 0 0 var(--dpcn-space-3);
  color: var(--dpcn-color-text);
  font-weight: 700;
}

.dpcn-author-bio-content {
  color: var(--dpcn-color-text-secondary);
  line-height: 1.65;
}

/* -------- Utility: Out of Stock Badge -------- */
.out-of-stock-inline,
.out-of-stock-text {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: var(--dpcn-text-sm);
}

.out-of-stock-inline {
  color: var(--dpcn-color-error);
  background: var(--dpcn-color-error-bg);
  border: 1px solid var(--dpcn-color-error-border);
  padding: 2px 8px;
  border-radius: var(--dpcn-radius-sm);
}

.out-of-stock-text {
  color: var(--dpcn-color-error);
  background: var(--dpcn-color-error-bg);
  border: 1px solid var(--dpcn-color-error-border);
  padding: 2px 8px;
  border-radius: var(--dpcn-radius-sm);
}

/* -------- Form Inputs -------- */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
textarea,
select {
  background: var(--dpcn-color-surface);
  border: 1.5px solid var(--dpcn-color-border);
  border-radius: var(--dpcn-radius-sm);
  color: var(--dpcn-color-text);
  font-family: var(--dpcn-font-body);
  font-size: var(--dpcn-text-base);
  padding: 10px 14px;
  transition: border-color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              box-shadow var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
textarea:hover,
select:hover {
  border-color: var(--dpcn-color-primary-300);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  border-color: var(--dpcn-color-primary);
  box-shadow: var(--dpcn-shadow-focus);
  outline: none;
}

/* -------- Scrollbar (Webkit) -------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dpcn-color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--dpcn-color-muted);
  border-radius: var(--dpcn-radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--dpcn-color-text-secondary);
}

/* -------- Single Post: Xem them -------- */
.xem-them {
  background: var(--dpcn-color-surface);
  border: 1px solid var(--dpcn-color-border-subtle);
  border-radius: var(--dpcn-radius-md);
  box-shadow: var(--dpcn-shadow-sm);
  margin: var(--dpcn-space-5) 0;
  padding: var(--dpcn-space-4);
}

.xem-them ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--dpcn-space-2);
}

.xem-them .tieu-de-xem-them {
  display: block;
  font-family: var(--dpcn-font-heading);
  font-size: var(--dpcn-text-lg);
  font-weight: 700;
  color: var(--dpcn-color-text);
  margin-bottom: var(--dpcn-space-3);
}

.xem-them .dpcn-service-card {
  padding: var(--dpcn-space-3) var(--dpcn-space-4);
}

.xem-them .dpcn-service-card a {
  color: var(--dpcn-color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.xem-them .dpcn-service-card a:hover {
  color: var(--dpcn-color-primary-700);
}

/* -------- Single Post: Bai viet lien quan -------- */
.bai-viet-lien-quan {
  margin: var(--dpcn-space-6) 0;
}

.bai-viet-lien-quan h3 {
  font-family: var(--dpcn-font-heading);
  font-size: var(--dpcn-text-xl);
  font-weight: 700;
  color: var(--dpcn-color-text);
  margin-bottom: var(--dpcn-space-4);
}

.list-bai-viet {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--dpcn-space-4);
}

.list-bai-viet .dpcn-service-card {
  display: flex;
  flex-direction: column;
}

.list-bai-viet .box-image {
  overflow: hidden;
  border-radius: var(--dpcn-radius-md) var(--dpcn-radius-md) 0 0;
}

.list-bai-viet .box-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--dpcn-duration-base) var(--dpcn-easing-default);
}

.list-bai-viet .dpcn-service-card:hover .box-image img {
  transform: scale(1.04);
}

.list-bai-viet .tieu-de-bai-viet {
  font-family: var(--dpcn-font-heading);
  font-size: var(--dpcn-text-md);
  font-weight: 600;
  color: var(--dpcn-color-text);
  margin: var(--dpcn-space-3) var(--dpcn-space-4) var(--dpcn-space-2);
  line-height: 1.4;
}

.list-bai-viet a:hover .tieu-de-bai-viet {
  color: var(--dpcn-color-primary);
}

/* -------- Entry Meta: Danh muc & Tags -------- */
.danh-muc,
.the-tim-kiem {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--dpcn-space-2);
  margin: var(--dpcn-space-3) 0;
  font-size: var(--dpcn-text-sm);
}

.danh-muc .title,
.the-tim-kiem .title {
  font-weight: 700;
  color: var(--dpcn-color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--dpcn-text-xs);
}

.danh-muc a,
.the-tim-kiem a {
  color: var(--dpcn-color-primary);
  font-weight: 600;
  text-decoration: none;
  background: var(--dpcn-color-primary-50);
  padding: 2px 10px;
  border-radius: var(--dpcn-radius-pill);
  transition: background-color var(--dpcn-duration-fast) var(--dpcn-easing-default),
              color var(--dpcn-duration-fast) var(--dpcn-easing-default);
}

.danh-muc a:hover,
.the-tim-kiem a:hover {
  background: var(--dpcn-color-primary);
  color: #fff;
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (min-width: 850px) and (max-width: 1024px) {
  .list-bai-viet {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 849px) {
  .single-post .entry-content,
  .single-product .product-main {
    padding: var(--dpcn-space-4);
  }

  .dpcn-mobile-sticky-cta {
    display: grid;
  }

  .dpcn-author-hero {
    flex-direction: column;
    gap: var(--dpcn-space-4);
    padding: var(--dpcn-space-4);
  }

  .dpcn-author-hero__stats {
    grid-template-columns: 1fr 1fr;
  }

  .dpcn-author-name {
    font-size: var(--dpcn-text-2xl);
  }

  .archive .page-title,
  .blog .page-title,
  .search .page-title {
    font-size: var(--dpcn-text-2xl);
  }

  .list-bai-viet {
    grid-template-columns: 1fr;
  }

  .xem-them {
    padding: var(--dpcn-space-3);
  }
}