/* hdsd.pandagamecenter.com — giao diện theo khuôn tài liệu PDF "Panda Game Center | Hướng dẫn …":
   thanh tiêu đề xanh, khung "Đường dẫn", ảnh bên trái + khung "Hướng dẫn thao tác" bên phải, chân trang. */
:root {
  --theme-color: #2563c4;
  --pg-blue: #2563c4;
  --pg-blue-soft: #e9eff8;
  --pg-panel: #f3f5f8;
  --pg-line: #d7dfeb;
  --pg-text: #1f2937;
  --pg-muted: #6b7280;
  --text-color-base: #1f2937;
}
body { font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--pg-text); background: #fff; }

/* Mục lục */
.sidebar { font-size: 14px; }
.sidebar > h1 { font-size: 1.05rem; margin: 0.6rem auto 0.8rem; }
.sidebar > h1 img { max-width: 44px; vertical-align: middle; margin-right: 6px; }
.sidebar ul li a { font-size: 13.5px; line-height: 1.35; white-space: normal; }
.sidebar-nav > ul > li > a, .sidebar-nav > ul > li > p { font-weight: 600; color: #111827; }
.sidebar-nav > ul > li.chapter > a::before { content: "▸ "; color: var(--pg-blue); }
.sidebar-nav > ul > li.chapter:not(.collapsed) > a::before { content: "▾ "; }
.sidebar-nav > ul > li.chapter.collapsed > ul { display: none; }
.sidebar-nav ul li ul li a { font-weight: 400; font-size: 13px; color: #374151; }

/* Khung trang */
.markdown-section { max-width: 1180px; padding: 1.4rem 2rem 3rem; }
.markdown-section h1 {
  background: var(--pg-blue); color: #fff; font-size: 1.75rem; font-weight: 700;
  padding: 0.75rem 1.1rem; border-radius: 6px; margin: 0.2rem 0 0.9rem; line-height: 1.3;
}
.markdown-section h1 a, .markdown-section h1 a:hover, .markdown-section h1 .anchor span, .markdown-section h1 * { color: #fff !important; text-decoration: none; }
.markdown-section h1 + blockquote, .markdown-section > blockquote:first-of-type {
  border: 0; background: none; padding: 0 0.2rem; margin: 0 0 0.8rem; color: var(--pg-muted); font-size: 1.08rem;
}
.markdown-section h1 + blockquote p { color: var(--pg-muted); margin: 0; }
.markdown-section h2 { font-size: 1.3rem; color: #1e3a6e; border-bottom: 1px solid var(--pg-line); padding-bottom: 0.3rem; margin-top: 1.8rem; }
.markdown-section h3 { font-size: 1.08rem; color: #1e3a6e; }

/* Đường dẫn + dòng thông tin */
.path-box {
  background: var(--pg-blue-soft); border: 1px solid #c9d6ea; border-radius: 4px;
  box-shadow: 0 2px 6px rgba(37, 99, 196, .08); padding: 0.65rem 1rem; margin: 0 0 0.6rem;
  color: #2f5fae; font-weight: 600; font-size: 1.05rem;
}
.path-box .path-label { color: #2f5fae; font-weight: 700; margin-right: 4px; }
.page-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin: 0 0 1.1rem; font-size: 13.5px; }
.page-meta .who { background: #fef3c7; color: #92400e; border-radius: 999px; padding: 2px 10px; font-weight: 600; }
.page-meta .help-link { color: var(--pg-blue); }

/* Bố cục slide: ảnh trái – hướng dẫn phải */
.slide { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr); gap: 22px; align-items: start; margin: 0.4rem 0 1.4rem; }
.slide.no-shots { grid-template-columns: minmax(0, 1fr); max-width: 760px; }
.slide.no-shots .slide-shots { display: none; }
.slide-shots p { margin: 0 0 1rem; }
.slide-steps {
  background: var(--pg-panel); border: 1px solid var(--pg-line); border-radius: 6px;
  box-shadow: 0 3px 10px rgba(15, 23, 42, .07); padding: 1.1rem 1.3rem 0.9rem; position: sticky; top: 12px;
}
.slide-steps-title { text-align: center; font-weight: 700; font-size: 1.3rem; color: #111827; margin-bottom: 0.7rem; }
.slide-steps ul, .slide-steps ol { padding-left: 1.2rem; margin: 0 0 0.8rem; }
.slide-steps li { margin: 0 0 0.55rem; line-height: 1.55; }
.slide-steps p { line-height: 1.55; }
.slide-steps em { color: #6b7a90; }
.slide-steps p:last-child em:only-child { display: block; font-size: 0.97em; }

/* Ảnh + chú thích */
.markdown-section img { max-width: 100%; border: 1px solid #e5e7eb; border-radius: 6px; box-shadow: 0 2px 8px rgba(0, 0, 0, .07); cursor: zoom-in; }
.markdown-section .cap { display: block; text-align: center; font-size: 13px; color: var(--pg-muted); font-style: italic; margin: 0.25rem 0 0.2rem; }

/* Bảng, ghi chú */
.markdown-section table { display: table; width: 100%; }
.markdown-section th { background: #eef2f8; }
.markdown-section td, .markdown-section th { padding: 6px 10px; }
.markdown-section blockquote { border-left: 4px solid #f59e0b; background: #fffbeb; padding: 6px 14px; color: #78350f; }
.markdown-section blockquote p { color: inherit; }
kbd { background: #f3f4f6; border: 1px solid #d1d5db; border-bottom-width: 2px; border-radius: 4px; padding: 1px 6px; font-size: 12px; font-family: inherit; }

/* Trang trước / sau + chân trang */
.page-nav { display: flex; justify-content: space-between; gap: 12px; margin: 2.2rem 0 0.6rem; }
.page-nav a { flex: 0 1 48%; border: 1px solid var(--pg-line); border-radius: 6px; padding: 0.55rem 0.9rem; text-decoration: none; color: #1e3a6e; background: #fff; }
.page-nav a:hover { border-color: var(--pg-blue); background: var(--pg-blue-soft); }
.page-nav a small { display: block; color: var(--pg-muted); font-size: 12px; }
.page-nav a.next { text-align: right; margin-left: auto; }
.page-foot { border-top: 2px solid #e5e7eb; margin-top: 1.2rem; padding-top: 0.6rem; text-align: center; font-size: 13px; color: #8a94a6; }

/* Trang chủ */
.home-hero { display: flex; gap: 18px; align-items: center; margin-bottom: 0.4rem; }
.home-hero img { width: 92px; border: 0; box-shadow: none; cursor: default; }

@media (max-width: 900px) {
  .markdown-section { padding: 1rem; }
  .slide { grid-template-columns: minmax(0, 1fr); }
  .slide-steps { position: static; order: -1; }
  .markdown-section h1 { font-size: 1.4rem; }
}