/* birdy3sm 帳號中心：先求乾淨好按，之後給月月換皮（顏色都集中在 :root）
   🔴 狀態不能只靠顏色（柏逸色盲）：提示框一律有 ✓／✕／ⓘ 符號＋文字 */
:root {
  --bg: #f4f2ee;
  --card: #ffffff;
  --ink: #1f2328;
  --muted: #5d636b;
  --line: #d8d4cc;
  --primary: #2f5d8a;
  --primary-ink: #ffffff;
  --ok-bg: #e8f1fb;
  --err-bg: #fdf0e6;
  --info-bg: #f1f1f1;
  --danger: #8a2f2f;
  --radius: 12px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  display: flex;
  justify-content: center;
  padding: 24px 16px 48px;
}

.card {
  width: 100%;
  max-width: 440px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
  align-self: flex-start;
}

.brand { margin: 0; color: var(--muted); font-size: 14px; letter-spacing: 0.05em; }
h1 { margin: 4px 0 16px; font-size: 24px; }
h2 { margin: 28px 0 10px; font-size: 18px; }
section:first-of-type h2 { margin-top: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.lead { margin: 0 0 12px; }
.hint { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
a { color: var(--primary); }

label { display: block; margin: 14px 0 6px; font-weight: 600; }
input {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
input:focus { outline: 3px solid #9cc0e6; outline-offset: 1px; border-color: var(--primary); }

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 16px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.btn:focus-visible { outline: 3px solid #9cc0e6; outline-offset: 2px; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.btn.small { width: auto; min-height: 40px; margin: 0; padding: 6px 14px; font-size: 15px; }

.providers .btn { margin-top: 10px; }
.provider.line { background: #06c755; border-color: #06c755; color: #fff; }
.provider.discord { background: #5865f2; border-color: #5865f2; color: #fff; }
.provider.google { background: #fff; color: #1f2328; }

.divider { display: flex; align-items: center; gap: 12px; margin: 28px 0 4px; color: var(--muted); font-size: 14px; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px solid var(--line); }

.notice { margin: 0 0 16px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); }
.notice.ok { background: var(--ok-bg); }
.notice.err { background: var(--err-bg); border-color: #e2b48f; }
.notice.info { background: var(--info-bg); }

.status { margin: 8px 0 0; min-height: 1.6em; font-weight: 600; }
.rules { margin: 8px 0 0; padding-left: 20px; color: var(--muted); font-size: 14px; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 700; }

.ids { list-style: none; margin: 0; padding: 0; }
.ids li {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.ids li:last-child { border-bottom: 0; }
.ids .who { font-weight: 700; min-width: 72px; }
.ids .state { flex: 1; color: var(--muted); font-size: 14px; }
.ids .state.on { color: var(--ink); }

.row { display: flex; gap: 10px; }
.row .btn { margin-top: 0; }

.danger-zone { margin-top: 32px; padding-top: 4px; border-top: 2px dashed var(--line); }

/* 隱私權政策／服務條款：字比較多，卡片放寬一點 */
.card.doc { max-width: 600px; }
.doc ul { margin: 0; padding-left: 20px; }
.doc li + li { margin-top: 6px; }
.doc p { margin: 0 0 8px; }

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin-top: 28px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.legal-links a { display: inline-block; padding: 8px 0; }