/* GitHub Style Documentation Theme for JichangTop (jichangtop.my) */
:root {
  --color-canvas-default: #ffffff;
  --color-canvas-subtle: #f6f8fa;
  --color-border-default: #d0d7de;
  --color-border-muted: hsla(210,18%,87%,1);
  --color-fg-default: #1f2328;
  --color-fg-muted: #656d76;
  --color-fg-subtle: #6e7781;
  --color-accent-fg: #0969da;
  --color-accent-emphasis: #0969da;
  --color-success-fg: #1a7f37;
  --color-success-subtle: #dafbe1;
  --color-attention-fg: #9a6700;
  --color-attention-subtle: #fff8c5;
  --color-severe-fg: #bc4c00;
  --color-severe-subtle: #fff1e5;
  --color-danger-fg: #d1242f;
  --color-danger-subtle: #ffebe9;
  --color-done-fg: #8250df;
  --color-done-subtle: #fbefff;
  --font-motto: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max-content-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-motto);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-fg-default);
  background-color: var(--color-canvas-default);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent-fg);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border-default);
  background-color: var(--color-canvas-default);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-top {
  border-bottom: 1px solid var(--color-border-muted);
  background-color: var(--color-canvas-subtle);
  padding: 8px 16px;
}
.header-top-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-fg-default);
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-title:hover {
  text-decoration: none;
}
.brand-tagline {
  font-size: 12px;
  color: var(--color-fg-muted);
  display: none;
}
@media (min-width: 768px) {
  .brand-tagline { display: inline; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-cta-btn {
  font-size: 13px;
  padding: 4px 10px;
  background-color: #2da44e;
  color: #fff;
  border-radius: 6px;
  font-weight: 500;
}
.header-cta-btn:hover {
  background-color: #2c974b;
  text-decoration: none;
  color: #fff;
}

.header-nav {
  padding: 6px 16px;
}
.nav-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow-x: auto;
}
.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
}
.nav-link {
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--color-fg-default);
  font-weight: 500;
  white-space: nowrap;
}
.nav-link:hover {
  background-color: var(--color-canvas-subtle);
  text-decoration: none;
}
.nav-link.active {
  background-color: var(--color-canvas-subtle);
  color: var(--color-accent-fg);
  font-weight: 600;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 16px;
  cursor: pointer;
}
@media (max-width: 860px) {
  .mobile-nav-toggle { display: block; }
  .nav-list { display: none; }
  .nav-list.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-canvas-default);
    border-bottom: 1px solid var(--color-border-default);
    padding: 12px 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
}

/* Breadcrumbs */
.breadcrumbs-bar {
  background-color: var(--color-canvas-subtle);
  border-bottom: 1px solid var(--color-border-muted);
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-fg-muted);
}
.breadcrumbs-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumbs-sep {
  color: var(--color-fg-subtle);
}

/* Main Layout */
.layout-container {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 24px 16px;
}
.doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 992px) {
  .doc-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
  }
}

/* Article & Markdown Content */
.markdown-body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-fg-default);
}
.markdown-body h1 {
  font-size: 28px;
  font-weight: 600;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border-default);
}
.markdown-body h2 {
  font-size: 22px;
  font-weight: 600;
  padding-bottom: 6px;
  margin-top: 32px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border-muted);
  scroll-margin-top: 85px;
}
.markdown-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  scroll-margin-top: 85px;
}
.markdown-body p, .markdown-body ul, .markdown-body ol {
  margin-bottom: 16px;
}
.markdown-body ul, .markdown-body ol {
  padding-left: 28px;
}
.markdown-body li {
  margin-bottom: 6px;
}

/* Callouts / Alerts */
.markdown-alert {
  padding: 12px 16px;
  margin-bottom: 16px;
  border-left: 4px solid var(--color-border-default);
  border-radius: 4px;
  background-color: var(--color-canvas-subtle);
}
.markdown-alert-note {
  border-left-color: var(--color-accent-emphasis);
  background-color: #ddf4ff;
}
.markdown-alert-tip {
  border-left-color: var(--color-success-fg);
  background-color: var(--color-success-subtle);
}
.markdown-alert-important {
  border-left-color: var(--color-done-fg);
  background-color: var(--color-done-subtle);
}
.markdown-alert-warning {
  border-left-color: var(--color-attention-fg);
  background-color: var(--color-attention-subtle);
}
.markdown-alert-caution {
  border-left-color: var(--color-danger-fg);
  background-color: var(--color-danger-subtle);
}
.markdown-alert-title {
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Code Blocks */
pre {
  background-color: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  padding: 14px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.45;
  margin-bottom: 16px;
  position: relative;
}
code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  background-color: rgba(175,184,193,0.2);
  padding: 2px 5px;
  border-radius: 4px;
}
pre code {
  background-color: transparent;
  padding: 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  display: block;
  overflow-x: auto;
}
table th, table td {
  border: 1px solid var(--color-border-default);
  padding: 10px 14px;
  text-align: left;
}
table th {
  background-color: var(--color-canvas-subtle);
  font-weight: 600;
}
table tr:nth-child(2n) {
  background-color: #fcfcfc;
}

/* TOC (Table of Contents) Sidebar */
.toc-sidebar {
  display: none;
}
@media (min-width: 992px) {
  .toc-sidebar {
    display: block;
    position: sticky;
    top: 85px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    font-size: 13px;
    border-left: 1px solid var(--color-border-muted);
    padding-left: 16px;
    scrollbar-width: thin;
  }
  .toc-sidebar::-webkit-scrollbar {
    width: 4px;
  }
  .toc-sidebar::-webkit-scrollbar-thumb {
    background-color: var(--color-border-muted);
    border-radius: 4px;
  }
}
.toc-title {
  font-weight: 700;
  color: var(--color-fg-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
}
.toc-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.toc-item {
  margin-bottom: 4px;
}
.toc-item.toc-level-3 {
  padding-left: 14px;
  font-size: 12px;
}
.toc-link {
  color: var(--color-fg-muted);
  display: block;
  line-height: 1.45;
  padding: 4px 8px;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: all 0.15s ease-in-out;
}
.toc-link:hover {
  color: var(--color-accent-fg);
  text-decoration: none;
  background-color: var(--color-canvas-subtle);
}
.toc-link.active {
  color: #0969da;
  font-weight: 600;
  background-color: #ddf4ff;
  border-left: 2px solid #0969da;
  text-decoration: none;
}

/* Cards & Grid for Landing Pages */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 20px;
  margin-bottom: 24px;
}
/* Steps Grid - All Side by Side on Desktop */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
  margin-bottom: 24px;
}
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}
.doc-card {
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  padding: 16px;
  background-color: var(--color-canvas-default);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s;
}
.doc-card:hover {
  border-color: var(--color-accent-emphasis);
  text-decoration: none;
}
.doc-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent-fg);
  margin-bottom: 8px;
}
.doc-card-desc {
  font-size: 13.5px;
  color: var(--color-fg-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}
.doc-card-meta {
  font-size: 12px;
  color: var(--color-fg-subtle);
  display: flex;
  justify-content: space-between;
}

/* Provider Showcase Cards */
.provider-card {
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  padding: 20px;
  background: var(--color-canvas-subtle);
  margin-bottom: 16px;
}
.provider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.provider-name-rank {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
}
.badge-rank {
  background-color: #0969da;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
}
.provider-cta-group {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.btn-doc-view {
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  color: var(--color-fg-default);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
}
.btn-doc-view:hover {
  border-color: var(--color-fg-muted);
  text-decoration: none;
}
.btn-aff-cta {
  background-color: #1f883d;
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
}
.btn-aff-cta:hover {
  background-color: #1a7f37;
  color: #fff;
  text-decoration: none;
}
.coupon-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f6f8fa;
  border: 1px dashed var(--color-border-default);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
}

/* Hero Section */
.hero-box {
  background-color: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-default);
  border-radius: 8px;
  padding: 32px 24px;
  margin-bottom: 32px;
}
.hero-tagline {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent-fg);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.hero-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-fg-default);
}
.hero-desc {
  font-size: 16px;
  color: var(--color-fg-muted);
  margin-bottom: 24px;
  max-width: 880px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  background-color: #1f883d;
  color: #fff;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
}
.btn-primary:hover {
  background-color: #1a7f37;
  color: #fff;
  text-decoration: none;
}
.btn-secondary {
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  color: var(--color-fg-default);
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
}
.btn-secondary:hover {
  background-color: var(--color-canvas-subtle);
  text-decoration: none;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border-default);
  background-color: var(--color-canvas-subtle);
  padding: 40px 16px 24px;
  margin-top: 60px;
  font-size: 13px;
  color: var(--color-fg-muted);
}
.footer-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
}
.footer-seo-cluster {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-muted);
  line-height: 1.7;
}
.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.footer-col-title {
  font-weight: 600;
  color: var(--color-fg-default);
  margin-bottom: 8px;
}
.footer-link-list {
  list-style: none;
  padding-left: 0;
}
.footer-link-list li {
  margin-bottom: 6px;
}
.footer-link-list a {
  color: var(--color-fg-muted);
}
.footer-link-list a:hover {
  color: var(--color-accent-fg);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-muted);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 32px 0;
  list-style: none;
  padding: 0;
}
.page-item a, .page-item span {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  color: var(--color-fg-default);
  font-size: 13.5px;
}
.page-item.active span {
  background-color: #0969da;
  color: #fff;
  border-color: #0969da;
}
.page-item a:hover {
  background-color: var(--color-canvas-subtle);
  text-decoration: none;
}

/* Prominent Registration Button */
.btn-register-prominent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, #2ea44f 0%, #22863a 100%);
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none !important;
  box-shadow: 0 3px 8px rgba(34, 134, 58, 0.35);
  border: 1px solid rgba(27, 31, 36, 0.15);
  margin-top: 8px;
  transition: all 0.2s ease-in-out;
}
.btn-register-prominent:hover {
  background: linear-gradient(180deg, #2c974b 0%, #1e7e34 100%);
  box-shadow: 0 4px 12px rgba(34, 134, 58, 0.45);
  transform: translateY(-1px);
}


/* Search Bar in Header */
.search-box-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
#site-search-input {
  width: 220px;
  padding: 6px 12px 6px 30px;
  font-size: 13.5px;
  color: var(--color-fg-default);
  background-color: var(--color-canvas-default);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 16 16' fill='%23656d76'%3E%3Cpath d='M10.68 11.74a6 6 0 1 1 1.06-1.06l3.75 3.75a.75.75 0 1 1-1.06 1.06l-3.75-3.75ZM12 7a5 5 0 1 0-10 0 5 5 0 0 0 10 0Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 10px center;
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  outline: none;
  transition: width 0.2s ease, border-color 0.2s;
}
#site-search-input:focus {
  width: 280px;
  border-color: var(--color-accent-emphasis);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}
.search-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  width: 380px;
  max-height: 420px;
  overflow-y: auto;
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(140, 149, 159, 0.2);
  margin-top: 8px;
  z-index: 1000;
}
.search-dropdown.open {
  display: block;
}
.search-result-item {
  display: block;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-muted);
  text-decoration: none !important;
  color: var(--color-fg-default);
  transition: background-color 0.15s;
}
.search-result-item:last-child {
  border-bottom: none;
}
.search-result-item:hover {
  background-color: var(--color-canvas-subtle);
}
.search-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-fg);
  margin-bottom: 4px;
}
.search-item-snippet {
  font-size: 12px;
  color: var(--color-fg-muted);
  line-height: 1.4;
}

/* Expanded FAQ Card */
.faq-expanded-card {
  border: 1px solid var(--color-border-default);
  border-radius: 8px;
  padding: 20px 24px;
  background-color: var(--color-canvas-default);
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.faq-expanded-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-fg-default);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-muted);
}
.faq-expanded-body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-fg-default);
}

/* Mobile Responsiveness Improvements */
@media (max-width: 992px) {
  .header-actions {
    flex-wrap: wrap;
    gap: 8px;
  }
  #site-search-input {
    width: 160px;
  }
  #site-search-input:focus {
    width: 200px;
  }
  .search-dropdown {
    width: 300px;
    right: -40px;
  }
}
@media (max-width: 600px) {
  .header-top-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .brand-block {
    justify-content: space-between;
  }
  .header-actions {
    justify-content: space-between;
    width: 100%;
  }
  .search-box-wrapper {
    flex: 1;
  }
  #site-search-input {
    width: 100% !important;
  }
  .search-dropdown {
    width: 100vw;
    right: -16px;
    left: -16px;
    position: fixed;
    top: 105px;
  }
  .provider-cta-group {
    flex-direction: column;
  }
}