/* Alpheth 账户中心 — 单文件样式（无构建、无外部字体） */
:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #14171f;
  --muted: #5b6172;
  --line: #e5e8f0;
  --brand: #2b59ff;
  --brand-ink: #1739c4;
  --ok: #0f8a5f;
  --danger: #c8342b;
  --warn-bg: #fff5e6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 23, 31, .08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 10% -10%, #e8edff 0%, var(--bg) 55%) fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: 1080px;
  margin: 0 auto;
  width: 100%;
}
.logo {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .2px;
  color: var(--text);
  text-decoration: none;
}
.logo span { color: var(--brand); }
.lang-switch { display: flex; gap: 6px; }
.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.lang-switch a:hover { color: var(--text); border-color: var(--line); background: #fff; }
.lang-switch a.active { color: var(--brand-ink); background: #eaf0ff; border-color: #dbe6ff; }

.shell {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 28px 48px;
}

/* 认证卡片 */
.auth-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 520px;
  margin: 32px auto 0;
  padding: 34px 34px 28px;
}
.auth-card h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -.2px; }
.auth-card .lede { color: var(--muted); margin: 0 0 22px; font-size: 14px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; }
.field input[type="text"], .field input[type="email"], .field input[type="password"] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  background: #fbfcff;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(43, 89, 255, .12);
  background: #fff;
}
.hint { display: block; color: var(--muted); font-size: 12.5px; margin-top: 6px; }
.inline { display: flex; gap: 10px; align-items: stretch; }
.inline input { flex: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform .06s, background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); }
.btn-ghost { background: #fff; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: #cdd4e6; }
.btn-danger { background: #fff; color: var(--danger); border-color: #f0c9c5; }
.btn-danger:hover { background: #fff2f1; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn-block { width: 100%; }

.alert {
  border-radius: 10px;
  padding: 10px 13px;
  font-size: 13.5px;
  margin: 0 0 18px;
}
.alert-error { background: #fff1f0; border: 1px solid #f3cbc7; color: #8f2019; }
.alert-ok { background: #eefaf3; border: 1px solid #c6ebd8; color: #08643f; }
.alert-warn { background: var(--warn-bg); border: 1px solid #f5dcb4; color: #7a5200; }

.consent-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 18px 0;
  font-size: 13.5px;
  color: var(--muted);
}
.consent-row input { margin-top: 3px; }
.consent-row a { color: var(--brand-ink); }

.form-foot { margin-top: 20px; font-size: 13.5px; color: var(--muted); }
.form-foot a { color: var(--brand-ink); text-decoration: none; margin-left: 4px; }

/* 账户中心 */
.page-head { margin: 24px 0 18px; }
.page-head h1 { font-size: 26px; margin: 0 0 4px; }
.page-head p { color: var(--muted); margin: 0; font-size: 14px; }

.grid { display: grid; gap: 18px; }
@media (min-width: 900px) { .grid.two { grid-template-columns: 1.05fr .95fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 4px 16px rgba(20, 23, 31, .04);
}
.card h2 { font-size: 17px; margin: 0 0 4px; }
.card .muted { color: var(--muted); font-size: 13px; margin: 0 0 18px; }

.row { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.stack { display: flex; flex-direction: column; gap: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
tr:last-child td { border-bottom: 0; }

.tag {
  display: inline-block;
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef1f8;
  color: var(--muted);
}
.tag-current { background: #e8f0ff; color: var(--brand-ink); }
.tag-admin { background: #f3e9ff; color: #5a2bb3; }
.tag-off { background: #fff0ee; color: var(--danger); }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.divider { height: 1px; background: var(--line); margin: 18px 0; }

select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcff;
  font-size: 14.5px;
}

footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 28px 36px;
  color: var(--muted);
  font-size: 12.5px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: space-between;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .links { display: flex; flex-wrap: wrap; gap: 14px; }

@media (max-width: 560px) {
  .site-header { padding: 14px 18px; }
  .shell { padding: 6px 18px 36px; }
  .auth-card { padding: 26px 20px 22px; margin-top: 16px; }
  .card { padding: 20px; }
  footer { padding: 16px 18px 28px; }
}