/* tarsa 共用樣式(vanilla RWD;批次 A) */
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #f5f7fa;
  font-family: system-ui, -apple-system, "Noto Sans TC", sans-serif;
  color: #1a2b3c;
  line-height: 1.6;
}
.wrap { max-width: 560px; margin: 0 auto; padding: 24px 16px 48px; }
.card { background: #fff; border-radius: 10px; padding: 24px; box-shadow: 0 1px 3px rgba(16, 30, 54, .06); }
h1 { font-size: 1.35rem; margin: 0 0 4px; }
.sub { color: #5a6b7c; font-size: .9rem; margin: 0 0 20px; }
fieldset { border: none; padding: 0; margin: 0 0 8px; }
legend { font-weight: 700; padding: 0; margin: 16px 0 8px; font-size: 1rem; }
label { display: block; margin: 12px 0 4px; font-size: .92rem; font-weight: 500; }
label .req { color: #d03050; }
input[type="text"], input[type="email"], input[type="password"], input[type="tel"], input[type="date"] {
  width: 100%; padding: 10px 12px; border: 1px solid #cfd8e3; border-radius: 8px; font-size: 1rem; background: #fff;
}
input:focus { outline: 2px solid #1a56db33; border-color: #1a56db; }
.hint { color: #8a97a5; font-size: .8rem; margin-top: 4px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0; font-size: .92rem; }
.check input { margin-top: 4px; }
button.primary {
  width: 100%; padding: 12px; margin-top: 20px; background: #1a56db; color: #fff;
  border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer;
}
button.primary:disabled { background: #9db4d8; cursor: not-allowed; }
button.ghost {
  width: 100%; padding: 11px; margin-top: 10px; background: #fff; color: #1a56db;
  border: 1px solid #1a56db; border-radius: 8px; font-size: .95rem; cursor: pointer;
}
.error-banner { background: #fdecec; color: #b42318; border-radius: 8px; padding: 10px 14px; margin: 14px 0 0; font-size: .9rem; display: none; }
.success-banner { background: #e8f6ee; color: #147a3d; border-radius: 8px; padding: 10px 14px; margin: 14px 0 0; font-size: .9rem; display: none; }
.terms details { border: 1px solid #e5e9ef; border-radius: 8px; padding: 10px 14px; margin: 8px 0; font-size: .88rem; }
.terms summary { cursor: pointer; font-weight: 500; }
.terms .content { white-space: pre-wrap; color: #4a5b6c; margin-top: 8px; }
.foot { text-align: center; margin-top: 18px; font-size: .9rem; color: #5a6b7c; }
.foot a { color: #1a56db; text-decoration: none; }
.hidden { display: none !important; }
.account-choice { border: 1px solid #cfd8e3; border-radius: 8px; padding: 12px 14px; margin: 8px 0; width: 100%; background: #fff; text-align: left; font-size: .95rem; cursor: pointer; }
.account-choice:hover { border-color: #1a56db; }
.badge { display: inline-block; min-width: 18px; padding: 1px 6px; border-radius: 999px; background: #d03050; color: #fff; font-size: .72rem; text-align: center; vertical-align: middle; }
.inbox-item { border-bottom: 1px solid #eef1f5; padding: 12px 4px; }
.inbox-item h3 { margin: 0 0 4px; font-size: .95rem; }
.inbox-item p { margin: 0; color: #4a5b6c; font-size: .88rem; white-space: pre-wrap; }
.inbox-item time { color: #8a97a5; font-size: .78rem; }
.inbox-item.unread h3::after { content: "●"; color: #d03050; margin-left: 6px; font-size: .7rem; vertical-align: middle; }