/*
Theme Name: LitBuy Google Material Portal
Theme URI: https://cnfansfindspreadsheet.com/
Author: SEO & Google UX Specialist
Description: Google Material Design 3 inspired theme tailored for LitBuy. Features soft rounded Google cards, official Google Sans type styles, floating Google search-style bars, and structured Knowledge Graph-style intro sections.
Version: 3.0.0
License: GNU General Public License v2 or later
Text Domain: litbuy-google-material
*/

@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&family=Roboto:wght@400;500;700&display=swap');

:root {
  --g-blue: #1a73e8;
  --g-blue-hover: #1557b0;
  --g-blue-light: #e8f0fe;
  --g-red: #ea4335;
  --g-yellow: #fbbc04;
  --g-green: #34a853;
  --g-green-light: #e6f4ea;
  --g-gray-bg: #f8f9fa;
  --g-card-bg: #ffffff;
  --g-text-dark: #202124;
  --g-text-muted: #5f6368;
  --g-border: #dadce0;
  --g-radius-pill: 100px;
  --g-radius-card: 16px;
  --g-shadow-1: 0 1px 3px rgba(60,64,67,0.12), 0 1px 2px rgba(60,64,67,0.24);
  --g-shadow-2: 0 4px 12px rgba(60,64,67,0.15);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--g-gray-bg);
  color: var(--g-text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Google Style Top Header */
header.site-header {
  background: var(--g-card-bg);
  border-bottom: 1px solid var(--g-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; }

.logo a {
  font-family: 'Google Sans', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--g-text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span.g-blue { color: var(--g-blue); }
.logo span.g-red { color: var(--g-red); }
.logo span.g-yellow { color: var(--g-yellow); }
.logo span.g-green { color: var(--g-green); }

.google-verify-badge {
  font-size: 11px;
  font-weight: 500;
  background: var(--g-green-light);
  color: #137333;
  padding: 2px 10px;
  border-radius: var(--g-radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-menu { display: flex; list-style: none; gap: 6px; align-items: center; }
.nav-item { position: relative; }
.nav-item > a {
  font-family: 'Google Sans', sans-serif;
  font-weight: 500;
  font-size: 14px;
  padding: 8px 16px;
  color: var(--g-text-muted);
  border-radius: var(--g-radius-pill);
  transition: var(--transition);
}

.nav-item > a:hover {
  color: var(--g-blue);
  background: var(--g-blue-light);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--g-card-bg);
  min-width: 240px;
  border-radius: 12px;
  padding: 8px;
  border: 1px solid var(--g-border);
  box-shadow: var(--g-shadow-2);
  z-index: 100;
}

.nav-item:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: block;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--g-text-dark);
  border-radius: 8px;
  transition: var(--transition);
}

.dropdown-menu li a:hover {
  color: var(--g-blue);
  background: var(--g-blue-light);
}

/* Google Knowledge Graph / Special Introduction Section */
.google-intro-container {
  margin: 32px 0 20px;
}

.knowledge-card {
  background: var(--g-card-bg);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-card);
  padding: 28px 32px;
  box-shadow: var(--g-shadow-1);
  position: relative;
  overflow: hidden;
}

.knowledge-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--g-blue) 0%, var(--g-red) 33%, var(--g-yellow) 66%, var(--g-green) 100%);
}

.knowledge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.knowledge-title {
  font-family: 'Google Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--g-text-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.knowledge-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--g-blue);
  background: var(--g-blue-light);
  padding: 4px 12px;
  border-radius: var(--g-radius-pill);
}

.knowledge-body p {
  color: #3c4043;
  font-size: 15px;
  line-height: 1.7;
}

.knowledge-facts {
  display: flex;
  gap: 20px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #f1f3f4;
  flex-wrap: wrap;
}

.fact-item {
  font-size: 13px;
  color: var(--g-text-muted);
}

.fact-item strong {
  color: var(--g-text-dark);
}

/* Search Box Hero Section */
.google-hero-section {
  text-align: center;
  padding: 30px 0 40px;
}

.hero-title {
  font-family: 'Google Sans', sans-serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--g-text-dark);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.hero-title span.blue { color: var(--g-blue); }

.hero-subtitle {
  font-size: 16px;
  color: var(--g-text-muted);
  max-width: 620px;
  margin: 0 auto 28px;
}

/* Google Search Style Action Bar */
.search-bar-mock {
  max-width: 680px;
  margin: 0 auto 24px;
  background: var(--g-card-bg);
  border: 1px solid var(--g-border);
  border-radius: 28px;
  padding: 10px 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}

.search-bar-mock:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-color: rgba(0,0,0,0.1);
}

.search-icon { color: var(--g-text-muted); display: flex; align-items: center; }
.search-text { flex: 1; text-align: left; font-size: 15px; color: var(--g-text-dark); font-weight: 500; }

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  font-family: 'Google Sans', sans-serif;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  font-size: 14.5px;
  font-weight: 500;
  border-radius: var(--g-radius-pill);
  transition: var(--transition);
  cursor: pointer;
}

.btn-google-primary {
  background: var(--g-blue);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(26,115,232,0.3);
}

.btn-google-primary:hover {
  background: var(--g-blue-hover);
  box-shadow: 0 2px 8px rgba(26,115,232,0.4);
}

.btn-google-secondary {
  background: var(--g-card-bg);
  color: var(--g-blue);
  border: 1px solid var(--g-border);
}

.btn-google-secondary:hover {
  background: var(--g-blue-light);
  border-color: #d2e3fc;
}

/* Category Grid Material Cards */
.section-title {
  font-family: 'Google Sans', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--g-text-dark);
  margin: 40px 0 20px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 50px;
}

.cat-card {
  background: var(--g-card-bg);
  border: 1px solid var(--g-border);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--g-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-blue);
  font-size: 20px;
}

.cat-card h3 {
  font-family: 'Google Sans', sans-serif;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--g-text-dark);
}

.cat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--g-shadow-2);
  border-color: var(--g-blue);
}

/* SEO Articles Grid - Google Result Style */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.article-card {
  background: var(--g-card-bg);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-card);
  padding: 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-card h3 {
  font-family: 'Google Sans', sans-serif;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--g-blue);
}

.article-card p {
  color: var(--g-text-muted);
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.read-more-link {
  font-family: 'Google Sans', sans-serif;
  color: var(--g-blue);
  font-weight: 500;
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-card:hover {
  box-shadow: var(--g-shadow-2);
  border-color: #c2e7ff;
}

/* Single Post Area */
.content-area {
  background: var(--g-card-bg);
  padding: 40px;
  border-radius: var(--g-radius-card);
  border: 1px solid var(--g-border);
  box-shadow: var(--g-shadow-1);
  margin: 30px 0 60px;
}

.entry-title {
  font-family: 'Google Sans', sans-serif;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--g-text-dark);
}

.entry-content {
  color: #3c4043;
  font-size: 15.5px;
  line-height: 1.8;
}

.internal-link-box {
  background: var(--g-blue-light);
  border: 1px solid #c2e7ff;
  border-left: 4px solid var(--g-blue);
  padding: 20px;
  border-radius: 8px;
  margin: 30px 0 10px;
}

footer.site-footer {
  background: var(--g-card-bg);
  border-top: 1px solid var(--g-border);
  padding: 32px 0;
  text-align: center;
  color: var(--g-text-muted);
  font-size: 13.5px;
}

@media (max-width: 768px) {
  .hero-title { font-size: 30px; }
  .header-inner { flex-direction: column; height: auto; padding: 12px 0; gap: 8px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .content-area { padding: 20px; }
  .knowledge-card { padding: 20px; }
}