/*
Theme Name:   GeneratePress Địa Chính
Theme URI:    https://diachinh.hanoi.vn
Description:  Child theme của GeneratePress cho website BDS diachinh.hanoi.vn
Author:       diachinh.hanoi.vn
Template:     generatepress
Version:      1.0.0
Text Domain:  generatepress-diachinh
*/

/* ===================================================
   Design Tokens — BDS Hà Nội
   =================================================== */
:root {
  /* Brand colors — aligned with Stitch design system */
  --color-primary:       #c0392b;   /* Đỏ đất — primary-container token */
  --color-primary-dark:  #8e130c;   /* on-primary-fixed-variant */
  --color-primary-light: #e74c3c;
  --color-secondary:     #2c3e50;   /* Xanh đậm — chuyên nghiệp */
  --color-accent:        #f39c12;   /* Vàng — nổi bật giá / badge */
  --color-bg:            #f7f9ff;   /* background token từ Stitch */
  --color-bg-card:       #ffffff;   /* surface-container-lowest */
  --color-text:          #091d2e;   /* on-surface token */
  --color-text-muted:    #59413d;   /* on-surface-variant token */
  --color-border:        #e1bfb9;   /* outline-variant token */
  --color-success:       #27ae60;

  /* Spacing scale */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   40px;
  --space-2xl:  64px;

  /* Typography */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;

  /* Border radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  20px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.12);

  /* Transitions */
  --transition: 200ms ease;
}

/* ===================================================
   Base overrides
   =================================================== */
/* Material Symbols icon font */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  font-size: 18px;
  vertical-align: middle;
  line-height: 1;
}

body {
  font-family: 'Public Sans', system-ui, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-dark); }

/* ===================================================
   BDS Listing Cards
   =================================================== */
.bds-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.bds-card:hover {
  box-shadow: var(--shadow-md);
}
.bds-card__image {
  position: relative;
  height: 192px;
  overflow: hidden;
  display: block;
}
.bds-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 500ms ease;
}
.bds-card:hover .bds-card__image img {
  transform: scale(1.05);
}
.bds-card__badge {
  position: absolute; top: var(--space-sm); right: var(--space-sm);
  background: var(--color-accent); color: #1a1a1a;
  font-size: var(--text-xs); font-weight: 600;
  padding: 2px var(--space-sm); border-radius: var(--radius-sm);
}
.bds-card__price-badge {
  position: absolute; top: var(--space-sm); left: var(--space-sm);
  background: var(--color-primary); color: #fff;
  font-size: var(--text-sm); font-weight: 700;
  padding: 4px var(--space-sm); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.bds-card__body {
  padding: var(--space-md);
  flex-grow: 1;
  display: flex; flex-direction: column; justify-content: space-between;
}
.bds-card__title {
  font-size: var(--text-base); font-weight: 600;
  margin: 0 0 var(--space-sm);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.bds-card__title a { color: var(--color-text); text-decoration: none; }
.bds-card__title a:hover { color: var(--color-primary); }
.bds-card__location {
  display: flex; align-items: center; gap: 4px;
  font-size: var(--text-sm); color: var(--color-text-muted);
  margin: 0 0 var(--space-sm);
}
.bds-card__meta {
  display: flex; gap: var(--space-md);
  font-size: var(--text-sm); color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
  margin-top: auto;
}
.bds-card__meta span {
  display: flex; align-items: center; gap: 4px;
}

/* ===================================================
   Floating Zalo Button
   =================================================== */
.zalo-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex; align-items: center; gap: var(--space-sm);
  background: #0068ff;
  color: #fff; font-weight: 600; font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-xl);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: background var(--transition), transform var(--transition);
  animation: zalo-pulse 2s infinite;
}
.zalo-float:hover {
  background: #004fb3; color: #fff;
  transform: scale(1.05);
}
.zalo-float img { width: 28px; height: 28px; }

@keyframes zalo-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,104,255,.5); }
  50%       { box-shadow: 0 0 0 8px rgba(0,104,255,0); }
}

/* ===================================================
   Search Filter Box (trang chủ)
   =================================================== */
.bds-search-box {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  display: flex; flex-wrap: wrap; gap: var(--space-md);
  align-items: flex-end;
}
.bds-search-box select,
.bds-search-box input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-base);
  flex: 1; min-width: 160px;
}
.bds-search-box .btn-search {
  background: var(--color-primary); color: #fff;
  border: none; border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-xl);
  font-size: var(--text-base); font-weight: 600;
  cursor: pointer; transition: background var(--transition);
}
.bds-search-box .btn-search:hover { background: var(--color-primary-dark); }

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 768px) {
  .bds-search-box { flex-direction: column; }
  .bds-search-box select,
  .bds-search-box input,
  .bds-search-box .btn-search { min-width: 100%; }
  .zalo-float span { display: none; }
}

/* ===================================================
   BDS Grid (3 cols → 2 → 1)
   =================================================== */
.bds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
@media (max-width: 1024px) {
  .bds-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .bds-grid { grid-template-columns: 1fr; }
}

/* ===================================================
   BDS Section wrapper
   =================================================== */
.bds-section {
  padding: var(--space-2xl) 0;
}
.bds-section--gray { background: var(--color-bg); }
.bds-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}
.bds-section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-secondary);
  position: relative;
  padding-bottom: var(--space-sm);
}
.bds-section__title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}
.bds-section__more {
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
}
.bds-section__more:hover {
  background: var(--color-primary); color: #fff;
}

/* ===================================================
   BDS Hero (front-page)
   =================================================== */
.bds-hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1a252f 100%);
  overflow: hidden;
}
.bds-hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .35;
}
.bds-hero__content {
  position: relative; z-index: 1;
  width: 100%; max-width: 900px; margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center; color: #fff;
}
.bds-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700; line-height: 1.2;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.bds-hero__subtitle {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
  opacity: .9;
}

/* ===================================================
   BDS Pagination
   =================================================== */
.bds-pagination {
  display: flex; justify-content: center;
  gap: var(--space-sm); margin-top: var(--space-xl);
  flex-wrap: wrap;
}
.bds-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm); font-weight: 500;
  transition: all var(--transition);
}
.bds-pagination .page-numbers:hover,
.bds-pagination .page-numbers.current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ===================================================
   BDS Detail Gallery
   =================================================== */
.bds-detail-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.bds-detail-gallery__main { aspect-ratio: 16/9; }
.bds-detail-gallery__thumbs {
  display: grid; grid-template-rows: 1fr 1fr;
  gap: var(--space-sm);
}
.bds-detail-gallery__main img,
.bds-detail-gallery__thumbs img {
  width: 100%; height: 100%; object-fit: cover;
  cursor: pointer; transition: opacity var(--transition);
}
.bds-detail-gallery__main img:hover,
.bds-detail-gallery__thumbs img:hover { opacity: .85; }
@media (max-width: 600px) {
  .bds-detail-gallery { grid-template-columns: 1fr; }
  .bds-detail-gallery__thumbs { grid-template-rows: unset; grid-template-columns: 1fr 1fr; }
}

/* ===================================================
   BDS Specs Table (thông số kỹ thuật)
   =================================================== */
.bds-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.bds-specs-table tr { border-bottom: 1px solid var(--color-border); }
.bds-specs-table tr:last-child { border-bottom: none; }
.bds-specs-table td {
  padding: var(--space-sm) var(--space-md);
  vertical-align: top;
}
.bds-specs-table td:first-child {
  color: var(--color-text-muted);
  width: 40%; white-space: nowrap;
}
.bds-specs-table td:last-child {
  font-weight: 600; color: var(--color-text);
}

/* ===================================================
   BDS Sidebar (archive + single)
   =================================================== */
.bds-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-xl);
  align-items: start;
}
.bds-sidebar {
  position: sticky; top: var(--space-xl);
}
.bds-sidebar__widget {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.bds-sidebar__widget-title {
  font-size: var(--text-base); font-weight: 700;
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
}
.bds-sidebar__list {
  list-style: none; margin: 0; padding: 0;
}
.bds-sidebar__list li { padding: var(--space-xs) 0; }
.bds-sidebar__list a {
  color: var(--color-text);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition);
}
.bds-sidebar__list a:hover { color: var(--color-primary); }
@media (max-width: 900px) {
  .bds-layout { grid-template-columns: 1fr; }
  .bds-sidebar { position: static; }
}

/* ===================================================
   BDS Filter Bar
   =================================================== */
.bds-filter-bar {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  display: flex; flex-wrap: wrap; gap: var(--space-md);
  align-items: flex-end;
}
.bds-filter-bar select,
.bds-filter-bar input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px var(--space-md);
  font-size: var(--text-sm);
  min-width: 150px; flex: 1;
  background: #fff;
}
.bds-filter-bar__btn {
  background: var(--color-primary); color: #fff;
  border: none; border-radius: var(--radius-sm);
  padding: 8px var(--space-xl);
  font-size: var(--text-sm); font-weight: 600;
  cursor: pointer; transition: background var(--transition);
  white-space: nowrap;
}
.bds-filter-bar__btn:hover { background: var(--color-primary-dark); }
@media (max-width: 600px) {
  .bds-filter-bar { flex-direction: column; }
  .bds-filter-bar select,
  .bds-filter-bar input { min-width: 100%; }
}

/* Filter group (label + select with icon) */
.bds-filter-group { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 150px; }
.bds-filter-label { font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted); }
.bds-filter-select-wrap { position: relative; }
.bds-filter-select-wrap select {
  width: 100%; appearance: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 36px 8px var(--space-md);
  font-size: var(--text-sm); font-family: inherit;
  background: #fff; color: var(--color-text);
}
.bds-filter-select-wrap select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(192,57,43,.15);
}
.bds-filter-select-icon {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  pointer-events: none; font-size: 20px !important;
  color: var(--color-text-muted);
}
.bds-filter-select-wrap--sm select { padding: 6px 32px 6px var(--space-sm); font-size: var(--text-xs); }

/* Active filter chips */
.bds-filter-chips {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--space-sm); margin-bottom: var(--space-lg);
}
.bds-filter-chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: #e3efff; color: var(--color-text);
  font-size: var(--text-xs); font-weight: 500;
  padding: 4px var(--space-sm); border-radius: var(--radius-xl);
  text-decoration: none; transition: background var(--transition);
}
.bds-filter-chip:hover { background: var(--color-primary); color: #fff; }
.bds-filter-chip .material-symbols-outlined { font-size: 14px !important; }
.bds-filter-chips__clear {
  font-size: var(--text-xs); color: var(--color-primary);
  text-decoration: underline; margin-left: var(--space-xs);
}

/* Results header row */
.bds-archive-wrap { padding-top: var(--space-xl); }
.bds-archive-title {
  font-size: var(--text-3xl); font-weight: 700;
  color: var(--color-secondary); margin-bottom: var(--space-lg);
}
.bds-results-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--space-md);
}
.bds-results-header__count { font-size: var(--text-sm); color: var(--color-text-muted); }
.bds-results-header__sort { display: flex; align-items: center; gap: var(--space-sm); }
.bds-sort-form { display: flex; align-items: center; }

/* No results block */
.bds-no-results {
  text-align: center; padding: var(--space-2xl) 0;
  color: var(--color-text-muted);
}
.bds-no-results__icon { font-size: 48px !important; margin-bottom: var(--space-md); display: block; }
.bds-no-results p { font-size: var(--text-lg); margin-bottom: var(--space-md); }

/* Sidebar list links (with count badge) */
.bds-sidebar__list-link {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px var(--space-sm);
  font-size: var(--text-sm); color: var(--color-text);
  text-decoration: none; border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.bds-sidebar__list-link:hover { background: var(--color-bg); color: var(--color-primary); }
.bds-sidebar__list-link.is-active { color: var(--color-primary); font-weight: 600; }
.bds-sidebar__list-count {
  font-size: var(--text-xs); color: var(--color-text-muted);
  background: var(--color-bg); padding: 2px 6px; border-radius: var(--radius-xl);
}
.bds-filter-check-group__heading {
  font-size: var(--text-xs); font-weight: 700;
  color: var(--color-text-muted); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: var(--space-xs);
}

/* Sidebar: Dự Án Nổi Bật */
.bds-sidebar__projects { display: flex; flex-direction: column; gap: var(--space-md); }
.bds-sidebar__project-item {
  display: flex; gap: var(--space-md); align-items: flex-start;
  text-decoration: none; padding: var(--space-sm); border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.bds-sidebar__project-item:hover { background: var(--color-bg); }
.bds-sidebar__project-thumb {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: var(--radius-sm); overflow: hidden;
}
.bds-sidebar__project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.bds-sidebar__project-name {
  font-size: var(--text-sm); font-weight: 600; color: var(--color-text);
  margin: 0 0 2px; line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.bds-sidebar__project-item:hover .bds-sidebar__project-name { color: var(--color-primary); }
.bds-sidebar__project-location { font-size: var(--text-xs); color: var(--color-text-muted); margin: 0 0 2px; }
.bds-sidebar__project-price { font-size: var(--text-xs); color: var(--color-primary); font-weight: 600; margin: 0; }

/* Sidebar: CTA tư vấn widget */
.bds-cta-widget {
  background: var(--color-primary);
  color: #fff; text-align: center;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.bds-cta-widget__icon { font-size: 48px !important; opacity: .85; margin-bottom: var(--space-sm); display: block; }
.bds-cta-widget__title { font-size: var(--text-xl); font-weight: 700; margin: 0 0 var(--space-sm); }
.bds-cta-widget__desc { font-size: var(--text-sm); opacity: .9; margin: 0 0 var(--space-lg); }
.bds-cta-widget__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm);
  background: #fff; color: var(--color-primary);
  font-size: var(--text-sm); font-weight: 700;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-xl);
  text-decoration: none; width: 100%;
  transition: opacity var(--transition);
}
.bds-cta-widget__btn:hover { opacity: .88; color: var(--color-primary); }

/* ===================================================
   BDS Breadcrumb
   =================================================== */
.bds-breadcrumb {
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-md);
}
.bds-breadcrumb ol {
  display: flex; flex-wrap: wrap;
  list-style: none; margin: 0; padding: 0;
  font-size: var(--text-sm); color: var(--color-text-muted);
  align-items: center; gap: 2px;
}
.bds-breadcrumb a { color: var(--color-primary); text-decoration: none; }
.bds-breadcrumb a:hover { text-decoration: underline; }

/* ===================================================
   CTA Block (giới thiệu)
   =================================================== */
.bds-cta {
  background: linear-gradient(135deg, var(--color-secondary), #1a252f);
  color: #fff; text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--radius-lg);
}
.bds-cta h2 { font-size: var(--text-2xl); margin-bottom: var(--space-md); }
.bds-cta p  { margin-bottom: var(--space-xl); opacity: .9; }
.bds-btn-primary {
  display: inline-block;
  background: var(--color-primary); color: #fff;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-sm); font-weight: 700;
  text-decoration: none; font-size: var(--text-base);
  transition: background var(--transition);
}
.bds-btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.bds-btn-outline {
  display: inline-block;
  border: 2px solid #fff; color: #fff;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-sm); font-weight: 700;
  text-decoration: none; font-size: var(--text-base);
  transition: all var(--transition);
  margin-left: var(--space-md);
}
.bds-btn-outline:hover { background: #fff; color: var(--color-secondary); }

/* ===================================================
   Responsive — mobile patches
   =================================================== */
@media (max-width: 768px) {
  /* Hero height reduction */
  .bds-hero { min-height: 420px; }

  /* Section header: allow title + link to wrap */
  .bds-section__header {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  /* CTA buttons: stack vertically */
  .bds-cta {
    padding: var(--space-xl) var(--space-md);
  }
  .bds-btn-primary,
  .bds-btn-outline {
    display: block;
    width: 100%; max-width: 280px;
    margin: var(--space-sm) auto 0;
    text-align: center;
  }
  .bds-btn-outline { margin-left: auto; }

  /* Specs table: shrink first-col on small screens */
  .bds-specs-table td:first-child {
    white-space: normal;
    width: 35%;
  }
}