/* ==========================================================================
   NexoraTopup Blog - Stylesheet (Mobile-First, WCAG 2.2 AA compliant)
   ========================================================================== */

:root {
  --primary: #6c5ce7;
  --primary-hover: #5849be;
  --primary-dark: #1e1045;
  --accent: #a855f7;
  --accent-light: #c084fc;
  --bg-page: #0f0a1e;
  --bg-card: #18122b;
  --bg-surface: #231b3d;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-color: #2e2452;
  --star-color: #fbbf24;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --touch-target: 44px;
}

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

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

a:hover {
  color: #e9d5ff;
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  background-color: rgba(24, 18, 43, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  min-height: var(--touch-target);
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-store-nav {
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn-store-nav:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.btn-menu-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  width: var(--touch-target);
  height: var(--touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-links a {
  display: flex;
  align-items: center;
  min-height: var(--touch-target);
  padding: 0.5rem;
  color: var(--text-main);
  border-radius: 6px;
  font-weight: 500;
}

.mobile-nav-links a:hover {
  background-color: var(--bg-surface);
}

/* ==========================================================================
   Layout Containers & Grids
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  width: 100%;
}

.main-content {
  flex: 1;
}

/* Game Pills Bar */
.game-chips-bar {
  display: flex;
  gap: 0.625rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.game-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.4rem 0.875rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  transition: all 0.15s ease;
}

.game-chip:hover, .game-chip.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* Featured Hero Section */
/* SVG Icons & Utilities */
.svg-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.hero-featured {
  background: linear-gradient(135deg, rgba(36, 22, 74, 0.95) 0%, rgba(22, 14, 48, 0.98) 100%), url('../img/game-pattern.svg');
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2.5rem;
  display: grid;
  grid-template-columns: 1fr;
  transition: transform 0.2s ease;
}

.hero-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge-featured {
  display: inline-flex;
  align-items: center;
  background-color: rgba(168, 85, 247, 0.2);
  color: var(--accent-light);
  border: 1px solid rgba(168, 85, 247, 0.4);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.625rem;
  border-radius: 6px;
  width: fit-content;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.hero-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.875rem;
  color: var(--text-dim);
  font-size: 0.8125rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Article Cards Grid */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: rgba(168, 85, 247, 0.5);
}

.card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--bg-surface);
}

.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.625rem;
  color: var(--text-main);
}

.card-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   Article Detail Page
   ========================================================================== */

.article-container {
  max-width: 860px;
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.breadcrumbs a {
  color: var(--text-muted);
}

.breadcrumbs span.sep {
  color: var(--text-dim);
}

.article-header {
  margin-bottom: 1.5rem;
}

.article-h1 {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: #ffffff;
}

.article-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
}

.article-featured-image {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.75rem;
  border: 1px solid var(--border-color);
}

/* Table of Contents */
.toc-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.toc-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.toc-item.level-2 {
  font-weight: 600;
  font-size: 0.9375rem;
}

.toc-item.level-3 {
  font-weight: 400;
  font-size: 0.875rem;
  padding-left: 1rem;
}

/* Article Body Typography */
.article-body {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #e2e8f0;
}

.article-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
  scroll-margin-top: 80px;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #f1f5f9;
  scroll-margin-top: 80px;
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.35rem;
}

.article-body blockquote {
  border-left: 4px solid var(--accent);
  background-color: var(--bg-card);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 1.5rem;
  font-style: italic;
  color: var(--text-muted);
}

/* Responsive Table Wrapper */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  -webkit-overflow-scrolling: touch;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.article-body th {
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
}

.article-body td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.article-body tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   Store Topup CTA Banner
   ========================================================================== */

.store-cta-banner {
  background: linear-gradient(135deg, rgba(59, 29, 119, 0.95) 0%, rgba(30, 16, 69, 0.98) 100%), url('../img/game-pattern.svg');
  border: 1px solid #7c3aed;
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.2);
}

.cta-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.cta-text p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.btn-cta-topup {
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #ffffff !important;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-cta-topup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.6);
}

/* ==========================================================================
   Rating Widget (PRD Section 15 with SVG Stars)
   ========================================================================== */

.rating-widget-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  margin: 2.5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.rating-widget-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #a855f7, transparent);
}

.rating-question {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.rating-meta-stats {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.rating-buttons-group {
  display: inline-flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-rate {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 10px;
  width: 52px;
  height: 52px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.75rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-rate svg {
  color: #64748b;
  transition: all 0.2s ease;
}

.btn-rate:hover, .btn-rate.selected {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(79, 70, 229, 0.3));
  border-color: #a855f7;
  color: #ffffff;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.btn-rate:hover svg, .btn-rate.selected svg {
  color: #fbbf24;
  filter: drop-shadow(0 0 6px rgba(251, 191, 36, 0.6));
}

.rating-feedback {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--success);
  min-height: 1.25rem;
}

/* Social Share & Author Box */
.social-share-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.btn-share {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 0.4rem 0.875rem;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.btn-share:hover {
  background-color: var(--bg-surface);
  color: var(--text-main);
}

.author-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 2rem 0;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  color: #ffffff;
  flex-shrink: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: #0b0718;
  border-top: 1px solid var(--border-color);
  padding: 3rem 1rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #ffffff;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 2.5rem 0;
}

.page-link {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  min-width: var(--touch-target);
  height: var(--touch-target);
  padding: 0 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9375rem;
}

.page-link.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* ==========================================================================
   Media Queries (360, 390, 768, 1440px without horizontal scroll)
   ========================================================================== */

@media (min-width: 640px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .btn-menu-toggle {
    display: none;
  }
  .hero-featured {
    grid-template-columns: 1.1fr 1fr;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .article-h1 {
    font-size: 2.35rem;
  }
  .store-cta-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .footer-container {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}