/* ulab.tw 共用樣式。不引用外部字型與 CDN。
   文字色依 WCAG AA：主要 #1f2933、次要 #52606d、輔助 #475569（對白底皆 ≥ 4.5）。 */
:root {
  --ink: #1f2933;
  --ink-2: #52606d;
  --muted: #475569;
  --line: #d9e2ec;
  --line-soft: #e8edf2;
  --bg: #f5f7fa;
  --card: #ffffff;
  --accent: #2b6777;
  --accent-dark: #1f4e5a;
  --accent-tint: #e8f1f3;
  --accent-soft: #f2f7f8;
  --error: #b42318;
  --error-bg: #fdf0ee;
  --ok: #1d6b4f;
  --ok-bg: #ebf6f0;
  --draft-bg: #fff7e6;
  --draft-ink: #7c4a03;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(31, 41, 51, 0.04), 0 4px 16px rgba(31, 41, 51, 0.04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 3px solid rgba(43, 103, 119, 0.45); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.35; font-weight: 700; }
.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* ---------- 頁首 ---------- */
.topbar { background: var(--card); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand-mark { flex: none; width: 30px; height: 30px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand-name { font-weight: 700; font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-sub { color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topnav { display: flex; gap: 4px 18px; flex-wrap: wrap; justify-content: flex-end; font-size: 14px; }
.topnav a { color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.topnav a:hover { color: var(--accent-dark); text-decoration: underline; }

/* ---------- 主內容 ---------- */
main { flex: 1 0 auto; padding-top: 32px; padding-bottom: 56px; }
main.flush { padding-top: 0; }

.hero { background: linear-gradient(180deg, var(--accent-tint) 0%, var(--bg) 100%); border-bottom: 1px solid var(--line-soft); }
.hero-inner { padding-top: 48px; padding-bottom: 40px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.04em; color: var(--accent-dark); margin: 0 0 8px; }
.hero h1 { margin: 0 0 6px; font-size: 34px; }
.hero .en { margin: 0 0 14px; font-size: 18px; color: var(--ink-2); }
.hero .lead { margin: 0; max-width: 680px; font-size: 17px; color: var(--ink); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 18px; font-size: 14px; color: var(--muted); }
.hero-meta strong { color: var(--ink-2); font-weight: 600; }

.section { margin-top: 36px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.section-head h2 { margin: 0; font-size: 21px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card h1 { margin: 0 0 10px; font-size: 26px; }
.card h2 { margin: 0 0 8px; font-size: 19px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p:last-child { margin-bottom: 0; }
.narrow { max-width: 460px; margin-left: auto; margin-right: auto; }
.reading { max-width: 760px; margin-left: auto; margin-right: auto; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid > .card { margin-top: 0; }

/* 合作案卡片 */
.project-card { position: relative; display: flex; flex-direction: column; color: inherit; text-decoration: none;
  border-top: 4px solid var(--accent); padding-top: 20px; }
.project-card:hover { color: inherit; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(43, 103, 119, 0.12), var(--shadow); }
.project-card h3 { font-size: 19px; margin: 10px 0 2px; }
.project-card .en { margin: 0 0 10px; color: var(--ink-2); font-size: 15px; }
.project-card .summary { margin: 0 0 14px; }
.project-card .foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.project-card .go { color: var(--accent); font-weight: 600; white-space: nowrap; }

/* 原則清單 */
.points { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 0; padding: 0; list-style: none; }
.points li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.points h3 { margin: 0 0 4px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.points p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }

/* 連結清單 */
.link-list { list-style: none; margin: 0; padding: 0; }
.link-list li { border-top: 1px solid var(--line-soft); }
.link-list li:first-child { border-top: 0; }
.link-list a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 11px 2px;
  color: var(--ink); text-decoration: none; }
.link-list a:hover { color: var(--accent-dark); }
.link-list a::after { content: "›"; color: var(--muted); font-size: 20px; line-height: 1; }
.link-list .desc { display: block; font-size: 13.5px; color: var(--muted); }

/* 商店按鈕（未上架時停用） */
.stores { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0 4px; }
.store { display: inline-flex; flex-direction: column; justify-content: center; min-width: 150px; padding: 8px 18px;
  border-radius: 10px; background: var(--ink); color: #fff; text-decoration: none; line-height: 1.3; }
.store small { font-size: 11.5px; opacity: 0.85; }
.store span { font-size: 16px; font-weight: 600; }
.store.disabled { background: #e4e9ee; color: var(--ink-2); cursor: default; }

/* 標籤與提示 */
.status { display: inline-block; font-size: 12.5px; font-weight: 600; color: var(--accent-dark);
  background: var(--accent-tint); border-radius: 999px; padding: 2px 10px; line-height: 1.6; }
.draft { background: var(--draft-bg); color: var(--draft-ink); border-radius: 8px; padding: 8px 12px; font-size: 14px; }
.notice { border-radius: 8px; padding: 10px 14px; font-size: 14.5px; margin: 0 0 16px; }
.notice-error { background: var(--error-bg); color: var(--error); font-weight: 600; }
.notice-ok { background: var(--ok-bg); color: var(--ok); font-weight: 600; }
.notice-info { background: var(--accent-soft); color: var(--accent-dark); border: 1px solid var(--accent-tint); }
.error { color: var(--error); font-weight: 600; }

/* 文章頁（隱私權政策等） */
.prose h1 { font-size: 26px; }
.prose h2 { font-size: 18px; margin: 28px 0 6px; }
.prose ol, .prose ul { padding-left: 1.4em; }
.big { font-size: 18px; }

/* ---------- 表單 ---------- */
form label { display: block; margin: 14px 0; font-weight: 600; font-size: 15px; }
form label .hint { display: block; font-weight: 400; font-size: 13.5px; color: var(--muted); }
form input:not([type=hidden]) { display: block; width: 100%; margin-top: 6px; padding: 9px 12px; font-size: 16px; font-family: inherit;
  color: var(--ink); background: #fff; border: 1px solid #b9c4cf; border-radius: 8px; }
form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(43, 103, 119, 0.18); }
.form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 7px 20px; font-size: 14.5px; font-family: inherit;
  line-height: 1.5; border-radius: 999px; cursor: pointer; text-decoration: none;
  border: 1px solid #cbd2d9; background: #fff; color: var(--ink-2); }
.btn:hover { border-color: var(--ink-2); color: var(--ink); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-block { width: 100%; padding: 10px 20px; font-size: 16px; }
.btn-sm { padding: 4px 14px; font-size: 13px; }
.linklike { background: none; border: 0; padding: 0; font: inherit; color: var(--ink-2); cursor: pointer; }
.linklike:hover { color: var(--accent-dark); text-decoration: underline; }

.auth-card h1 { font-size: 24px; margin-bottom: 2px; }
.auth-card .sub { margin: 0 0 18px; color: var(--muted); font-size: 14.5px; }
.steps { display: flex; gap: 6px; margin: 0 0 16px; padding: 0; list-style: none; font-size: 13px; color: var(--muted); }
.steps li { flex: 1; border-top: 3px solid var(--line); padding-top: 6px; }
.steps li.on { border-color: var(--accent); color: var(--accent-dark); font-weight: 600; }
.qr { text-align: center; margin: 14px 0; }
.qr svg { width: 200px; height: 200px; }
code { background: #eef2f6; padding: 2px 6px; border-radius: 4px; word-break: break-all; font-size: 0.95em; }

/* ---------- 後台 ---------- */
.adminbar { background: var(--ink); color: #e4e9ee; font-size: 14px; }
.adminbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; min-height: 44px; }
.adminbar nav { display: flex; gap: 4px 18px; flex-wrap: wrap; align-items: center; }
.adminbar a, .adminbar .linklike { color: #e4e9ee; text-decoration: none; }
.adminbar a:hover, .adminbar .linklike:hover { color: #fff; text-decoration: underline; }
.adminbar a.on { color: #fff; font-weight: 600; }
.adminbar .who { color: #b9c4cf; }
.adminbar form { margin: 0; display: inline; }

.page-title { margin: 0 0 4px; font-size: 26px; }
.page-sub { margin: 0 0 22px; color: var(--muted); }
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; }
.stat .label { font-size: 13px; color: var(--muted); }
.stat .value { font-size: 18px; font-weight: 700; }

.table-wrap { overflow-x: auto; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { font-weight: 600; color: var(--ink-2); background: var(--accent-soft); }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
tbody tr:hover td { background: #fafbfc; }

/* ---------- 頁尾 ---------- */
.footer { flex: none; border-top: 1px solid var(--line); background: var(--card); font-size: 14px; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; padding-top: 20px; padding-bottom: 20px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.footer a { color: var(--ink-2); }
.footer a:hover { color: var(--accent-dark); }

/* ---------- 手機 ---------- */
@media (max-width: 640px) {
  main { padding-top: 22px; padding-bottom: 40px; }
  .hero-inner { padding-top: 32px; padding-bottom: 28px; }
  .hero h1 { font-size: 26px; }
  .hero .lead { font-size: 16px; }
  .card { padding: 18px; }
  .topnav { display: none; }
  .page-title { font-size: 22px; }
  .store { flex: 1 1 140px; }
}
.after-form { margin-top: 18px; }
[hidden] { display: none !important; }
.hero .status { background: #fff; border: 1px solid var(--line); }
.hero-status { margin: 0 0 10px; }

/* ---------- 帳號管理 ---------- */
.adminbar-console { background: #12343d; }
.adminbar-console strong { color: #fff; margin-right: 6px; }
.crumbs { margin: 0 0 6px; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--ink-2); }
.btn-soft { background: rgba(43, 103, 119, 0.08); border-color: rgba(43, 103, 119, 0.4); color: var(--accent-dark); font-weight: 600; }
.btn-soft:hover { background: rgba(43, 103, 119, 0.16); border-color: var(--accent); color: var(--accent-dark); }
.btn-danger { background: rgba(220, 53, 69, 0.06); border-color: rgba(220, 53, 69, 0.4); color: #c0392b; font-weight: 600; }
.btn-danger:hover { background: rgba(220, 53, 69, 0.14); border-color: #c0392b; color: #a93226; }
table.accounts td { vertical-align: middle; }
table.accounts tr.inactive td { color: var(--muted); background: #fafbfc; }
td.actions { white-space: normal; min-width: 260px; }
td.actions form, td.actions > a { display: inline-block; margin: 2px 4px 2px 0; }
td.badges { white-space: normal; min-width: 130px; }
.badge { display: inline-block; font-size: 12.5px; font-weight: 600; border-radius: 999px; padding: 1px 9px; margin: 1px 4px 1px 0; line-height: 1.7; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-wait { background: var(--draft-bg); color: var(--draft-ink); }
.badge-warn { background: var(--error-bg); color: var(--error); }
.badge-off { background: #e4e9ee; color: var(--ink-2); }
.inline-form { display: grid; gap: 0 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); align-items: end; }
.inline-form .form-actions { margin-top: 0; padding-bottom: 14px; }
form select { display: block; width: 100%; margin-top: 6px; padding: 9px 12px; font-size: 16px; font-family: inherit;
  color: var(--ink); background: #fff; border: 1px solid #b9c4cf; border-radius: 8px; }
.credential { display: grid; grid-template-columns: max-content 1fr; gap: 8px 14px; margin: 18px 0; align-items: center; }
.credential dt { color: var(--muted); font-size: 14px; }
.credential dd { margin: 0; }
.temp-pw { font-size: 20px; letter-spacing: 0.06em; padding: 4px 10px; }
.card.section { margin-top: 24px; }
.credential code { font-size: 14px; }
.credential .temp-pw { font-size: 20px; }
@media (max-width: 720px) {
  table.accounts thead { display: none; }
  table.accounts, table.accounts tbody, table.accounts tr, table.accounts td { display: block; width: 100%; }
  table.accounts tr { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin-bottom: 10px; }
  table.accounts td { border: 0; padding: 4px 0; white-space: normal; min-width: 0; display: flex; gap: 10px; align-items: baseline; }
  table.accounts td::before { content: attr(data-label); flex: none; width: 4.5em; color: var(--muted); font-size: 13px; }
  table.accounts td.actions { display: block; padding-top: 8px; }
  table.accounts td.actions::before { display: block; width: auto; margin-bottom: 4px; }
  table.accounts tbody tr:hover td { background: none; }
  .accounts-wrap { margin: 0; }
}
table.accounts td.badges { flex-wrap: wrap; }