/* Lixio Cloud 企業營運系統 — 教學手冊 共用樣式 */
:root {
  --primary: #1a56db;
  --primary-dark: #1e429f;
  --primary-light: #eff6ff;
  --accent: #0e7c5a;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg-soft: #f8fafc;
  --warn-bg: #fffbeb;
  --warn-border: #fcd34d;
  --ok-bg: #f0fdf4;
  --ok-border: #86efac;
  --info-bg: #eff6ff;
  --info-border: #93c5fd;
  --admin-bg: #f5f3ff;
  --admin-border: #c4b5fd;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
  color: var(--text);
  background: #fff;
  margin: 0;
  line-height: 1.8;
  font-size: 16px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 頂部導覽列 */
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 0 28px; display: flex; align-items: center; gap: 18px;
  height: 60px; box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.topnav .brand { font-weight: 700; font-size: 16px; color: var(--primary); white-space: nowrap; }
.topnav .brand small { color: var(--muted); font-weight: 400; margin-left: 6px; }
.topnav .crumb { color: var(--muted); font-size: 14px; flex: 1; }
.topnav a.navlink { font-size: 14px; color: var(--primary); padding: 6px 12px; border-radius: 6px; }
.topnav a.navlink:hover { background: var(--primary-light); text-decoration: none; }

/* 主內容 */
.wrap { max-width: 920px; margin: 0 auto; padding: 40px 28px 80px; }

/* 章節標題 */
.chapter-kicker { color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
h1 { font-size: 30px; color: var(--primary-dark); margin: 6px 0 8px; line-height: 1.3; }
h1.lead { font-size: 34px; }
.lead-sub { color: var(--muted); font-size: 16px; margin-bottom: 8px; }
h2 { font-size: 23px; color: var(--primary-dark); border-left: 5px solid var(--primary); padding-left: 14px; margin: 44px 0 16px; }
h3 { font-size: 19px; color: var(--primary); margin: 28px 0 10px; }
h4 { font-size: 16px; color: #374151; margin: 20px 0 8px; }
p { margin: 10px 0; }
ul, ol { padding-left: 26px; margin: 10px 0; }
li { margin: 6px 0; }
code { font-family: Consolas, Monaco, monospace; background: #eef1f4; padding: 1px 6px; border-radius: 4px; font-size: 13.5px; }
pre { background: #0f172a; color: #e2e8f0; padding: 16px 20px; border-radius: 8px; overflow-x: auto; font-size: 13.5px; line-height: 1.6; }
pre code { background: none; color: inherit; padding: 0; }

/* 表格 */
table { width: 100%; border-collapse: collapse; margin: 14px 0 22px; font-size: 14.5px; }
th { background: var(--primary); color: #fff; padding: 10px 12px; text-align: left; font-weight: 600; }
td { border: 1px solid var(--border); padding: 9px 12px; vertical-align: top; }
tr:nth-child(even) td { background: var(--bg-soft); }

/* 功能卡片（每項功能一格） */
.func { border: 1px solid var(--border); border-radius: 10px; padding: 20px 24px; margin: 20px 0; background: #fff; }
.func h4 { margin-top: 0; font-size: 18px; color: var(--primary-dark); display: flex; align-items: center; gap: 8px; }
.func .meta { font-size: 13px; color: var(--muted); margin: 4px 0 12px; }
.func .meta .tag { display: inline-block; background: var(--primary-light); color: var(--primary-dark); border-radius: 999px; padding: 1px 10px; font-size: 12px; margin-right: 6px; font-weight: 600; }
.func .meta .tag.role { background: #eef2ff; color: #4338ca; }
.func .field-label { font-weight: 700; color: var(--primary-dark); display: block; margin-top: 12px; font-size: 14px; }

/* 標示框 */
.box { border-radius: 8px; padding: 12px 18px; margin: 14px 0; border: 1px solid; font-size: 14.5px; }
.box-info { background: var(--info-bg); border-color: var(--info-border); }
.box-warn { background: var(--warn-bg); border-color: var(--warn-border); }
.box-ok { background: var(--ok-bg); border-color: var(--ok-border); }
.box-admin { background: var(--admin-bg); border-color: var(--admin-border); }
.box .boxtitle { font-weight: 700; display: block; margin-bottom: 4px; }

/* 管理員 / 員工 標籤 */
.badge { display: inline-block; padding: 2px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; }
.badge-admin { background: #6d28d9; }
.badge-staff { background: #0e7c5a; }

/* 截圖 */
.screenshot {
  margin: 18px 0 24px; text-align: center;
}
.screenshot img {
  max-width: 78%; max-height: 440px; width: auto; margin: 0 auto;
  border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.10);
}
.screenshot .caption {
  display: block; color: var(--muted); font-size: 13px; margin-top: 8px;
}

/* 步驟清單 */
.steps { counter-reset: step; padding-left: 0; list-style: none; }
.steps > li { counter-increment: step; position: relative; padding-left: 40px; margin: 10px 0; }
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 2px;
  background: var(--primary); color: #fff; width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px;
}

/* 相關功能導引 */
.related { background: var(--primary-light); border-radius: 8px; padding: 14px 18px; margin: 26px 0; font-size: 14.5px; border-left: 4px solid var(--primary); }

/* 章節導航（上一章 / 下一章） */
.chapter-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--border); }
.chapter-nav a { flex: 1; border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; }
.chapter-nav a:hover { border-color: var(--primary); background: var(--primary-light); text-decoration: none; }
.chapter-nav .dir { display: block; font-size: 12px; color: var(--muted); }
.chapter-nav .ttl { display: block; font-weight: 700; color: var(--primary-dark); margin-top: 2px; }

/* 目錄首頁卡片 */
.toc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin: 24px 0; }
.toc-card { border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; display: block; }
.toc-card:hover { border-color: var(--primary); background: var(--primary-light); text-decoration: none; }
.toc-card .num { color: var(--primary); font-weight: 700; font-size: 13px; }
.toc-card .ttl { font-weight: 700; font-size: 17px; color: var(--primary-dark); margin-top: 4px; }
.toc-card .desc { font-size: 13px; color: var(--muted); margin-top: 6px; line-height: 1.6; }

/* 品牌標語 */
.slogan { text-align: center; font-size: 18px; color: var(--primary-dark); font-weight: 600; margin: 24px 0; letter-spacing: 1px; }
.slogan .en { display: block; font-size: 13px; color: var(--muted); font-weight: 400; margin-top: 4px; }

@media (max-width: 640px) {
  .wrap { padding: 28px 18px 60px; }
  .topnav { padding: 0 16px; }
  h1 { font-size: 26px; }
  .chapter-nav { flex-direction: column; }
}