/* 會員頁、工具頁共用樣式（登入、我的歸根、我的出生資料、工具頁）。
   2026-10-21 改成跟全站一樣的「午後窗光」：米白底、森林綠字、古金細線，字體同 page.css。 */
:root {
  --bg: #F2EEE3;
  --bg-panel: #FBF7EF;
  --bg-moss: #EBE3CF;
  --forest: #2C3B27;
  --ink-1: #2C3B27;
  --ink-2: #55584B;
  --ink-3: #6A6C5C;
  --accent: #8A6E3E;
  --line: #CEC8AA;
  --danger: #A4533F;
  --ok: #4F6B3E;
  --line-green: #06C755;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --cn: "Noto Serif TC";
  --sans: "Noto Sans TC";
  --round: "Huninn";
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { font-synthesis: none; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100svh;
  background: var(--bg); color: var(--ink-2);
  font-family: var(--sans), sans-serif;
  font-size: 16px; line-height: 1.85; letter-spacing: 0.03em;
  overflow-x: clip; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--cn), serif; font-weight: 500; text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.en { font-family: var(--cn), serif; letter-spacing: 0.12em; }

/* ───────── 頁首（同全站） ───────── */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  height: 66px; padding: 0 max(20px, env(safe-area-inset-left));
  background: rgba(242, 238, 227, 0.92);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.bar__brand { display: grid; line-height: 1.15; }
.bar__brand b { font-family: var(--cn), serif; font-weight: 500; font-size: 22px; letter-spacing: 0.24em; color: var(--forest); }
.bar__brand small { font-family: var(--cn), serif; font-size: 10px; letter-spacing: 0.32em; color: var(--accent); text-transform: uppercase; }
.bar__right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.bar__link { padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; font-family: var(--cn), serif; font-size: 14px; letter-spacing: 0.1em; color: var(--ink-2); transition: border-color 0.3s ease, color 0.3s ease; white-space: nowrap; }
button.bar__link { background: none; font: inherit; font-family: var(--cn), serif; font-size: 14px; cursor: pointer; }
.bar__link:hover { color: var(--ink-1); border-color: var(--accent); }
.bar__link[aria-current="page"] { color: var(--forest); border-color: var(--forest); }
.back { display: inline-flex; align-items: center; gap: 8px; font-family: var(--cn), serif; font-size: 15px; letter-spacing: 0.12em; color: var(--ink-3); transition: color 0.3s ease; }
.back:hover { color: var(--ink-1); }

/* ───────── 版面 ───────── */
.page { width: 100%; max-width: 520px; margin: 0 auto; padding: 48px 20px 96px; }
.page--wide { max-width: 760px; }
.page__kicker { font-family: var(--cn), serif; font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--accent); }
.page__title { margin-top: 8px; font-size: clamp(28px, 6vw, 36px); letter-spacing: 0.16em; color: var(--ink-1); }
.page__lead { margin-top: 10px; color: var(--ink-3); }
.panel { margin-top: 28px; padding: clamp(22px, 5vw, 34px); border: 1px solid var(--line); border-radius: 16px; background: var(--bg-panel); }
.panel + .panel { margin-top: 18px; }
.panel__title { font-size: 19px; letter-spacing: 0.14em; color: var(--ink-1); display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.panel__title::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ───────── 分頁（登入／註冊） ───────── */
.tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.tabs button {
  appearance: none; border: 0; background: none; cursor: pointer;
  padding: 10px 0; font: inherit; font-family: var(--cn), serif; letter-spacing: 0.2em; color: var(--ink-3);
  border-bottom: 1.5px solid transparent; margin-bottom: -1px;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.tabs button[aria-selected="true"] { color: var(--forest); border-bottom-color: var(--forest); }

/* ───────── 一鍵登入 ───────── */
.oauth { display: grid; gap: 12px; }
.oauth__btn {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 10px 20px; border-radius: 999px;
  font: inherit; font-size: 16px; font-weight: 500; letter-spacing: 0.08em; cursor: pointer;
  transition: filter 0.25s ease, transform 0.25s var(--ease);
}
.oauth__btn svg, .oauth__btn img { width: 22px; height: 22px; flex: none; }
.oauth__btn:hover { filter: brightness(0.96); }
.oauth__btn:active { transform: scale(0.99); }
.oauth__btn[disabled] { opacity: 0.55; cursor: progress; }
.oauth__btn--line { border: 0; background: var(--line-green); color: #fff; }
.oauth__btn--google { border: 1px solid var(--line); background: #fff; color: #3C4043; }
.or { display: flex; align-items: center; gap: 14px; margin: 22px 0 18px; font-family: var(--round), var(--sans), sans-serif; font-size: 13px; color: var(--ink-3); }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.consent { margin-top: 18px; font-family: var(--round), var(--sans), sans-serif; font-size: 13px; color: var(--ink-3); text-align: center; }
.consent a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ───────── 表單 ───────── */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field > label, .field > .label { font-size: 14px; letter-spacing: 0.1em; color: var(--ink-2); }
.hint { font-family: var(--round), var(--sans), sans-serif; font-size: 13px; color: var(--ink-3); }
.row { display: grid; gap: 12px; grid-template-columns: 1.3fr 1fr 1fr; }
.input, .select {
  width: 100%; min-height: 50px; padding: 10px 16px;
  border: 1px solid var(--line); border-radius: 12px;
  background: #fff; color: var(--ink-1);
  font: inherit; letter-spacing: 0.04em;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.input:hover, .select:hover { border-color: var(--accent); }
.input:focus, .select:focus { outline: none; border-color: var(--forest); box-shadow: 0 0 0 3px rgba(44, 59, 39, 0.1); }
.input--code { font-size: 24px; letter-spacing: 0.5em; text-align: center; font-variant-numeric: tabular-nums; }
.input[aria-invalid="true"], .select[aria-invalid="true"] { border-color: var(--danger); }
.error { font-size: 13px; color: var(--danger); }
.error:empty { display: none; }
.seg { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.seg button {
  appearance: none; border: 0; cursor: pointer; min-height: 46px;
  background: transparent; color: var(--ink-2); font: inherit; letter-spacing: 0.14em;
  transition: background-color 0.25s ease, color 0.25s ease;
}
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed="true"] { background: var(--forest); color: var(--bg); }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.check input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--forest); flex: none; }
.check a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 12px 28px; border-radius: 999px;
  border: 1px solid var(--forest); background: var(--forest);
  color: var(--bg); font: inherit; letter-spacing: 0.16em; cursor: pointer;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}
.btn:hover { background: #1D2618; }
.btn[disabled] { opacity: 0.55; cursor: progress; }
.btn--block { width: 100%; }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink-2); }
.btn--ghost:hover { background: var(--bg-moss); }
.btn--danger { background: transparent; border-color: rgba(164, 83, 63, 0.45); color: var(--danger); }
.btn--danger:hover { background: rgba(164, 83, 63, 0.06); border-color: var(--danger); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.actions--split { justify-content: space-between; }
.textlink { background: none; border: 0; padding: 0; font: inherit; font-size: 14px; color: var(--ink-3); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 4px; cursor: pointer; }
.textlink:hover { color: var(--ink-1); }

/* ───────── 提示訊息 ───────── */
.notice { padding: 12px 16px; border-left: 2px solid var(--accent); border-radius: 0 10px 10px 0; background: var(--bg-moss); font-size: 14px; color: var(--ink-1); }
.notice[hidden] { display: none; }
.notice--error { border-left-color: var(--danger); background: rgba(164, 83, 63, 0.07); }
.notice--ok { border-left-color: var(--ok); background: rgba(79, 107, 62, 0.08); }
.mock-banner { padding: 10px 16px; font-size: 13px; text-align: center; color: #fff; background: var(--accent); }
.mock-banner[hidden] { display: none; }

.divider { height: 1px; margin: 8px 0; background: var(--line); }
.privacy { font-family: var(--round), var(--sans), sans-serif; font-size: 13px; color: var(--ink-3); }

@media (max-width: 480px) {
  .row { grid-template-columns: 1fr 1fr; }
  .row .field:first-child { grid-column: 1 / -1; }
  .bar__brand small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* 登入方式串聯（account.html，2026-10-30） */
.links { list-style: none; margin: 12px 0 0; padding: 0; border-top: 1px solid var(--line); }
.links li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.links__ok { font-size: 13.5px; color: var(--ink-2, #6E8A76); }
.btn--sm { padding: 6px 16px; font-size: 14px; min-height: 0; }