:root {
  font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
  color: #17302b;
  background: #f4f7f6;
  line-height: 1.55;
  --green: #14725f;
  --border: #d7e2df;
  --muted: #687b76;
  --red: #a63c32;
  --amber: #98630b;
  --soft: #e8f3f0;
}
* { box-sizing: border-box; }
body { margin: 0; }
.hidden { display: none !important; }
header {
  min-height: 58px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
header a { color: var(--green); text-decoration: none; font-weight: 650; }
header span { color: var(--green); font-size: 14px; text-align: right; }
header span.pending { color: var(--amber); }
main { max-width: 660px; margin: 0 auto; padding: 26px 16px 60px; }
h1, h2, p { margin-top: 0; }
.intro h1 { margin-bottom: 6px; font-size: 28px; }
.intro p, .message, .muted { color: var(--muted); }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-top: 18px;
  box-shadow: 0 8px 30px #17362d0b;
}
.card h2 { margin-bottom: 6px; font-size: 20px; }
.tool-heading { display: flex; gap: 14px; align-items: center; justify-content: space-between; }
.tool-heading p { margin: 3px 0; color: var(--muted); font-size: 14px; }
.tool-heading button { width: auto; white-space: nowrap; }
#share-result { margin-top: 12px; background: #fff; border-radius: 10px; padding: 10px 12px; overflow-wrap: anywhere; }
#share-result p { margin: 6px 0; }
#share-result a { color: var(--green); }
.renewal-guide { margin-top: 8px; border-top: 1px solid var(--border); padding-top: 8px; }
.renewal-guide ol { margin: 7px 0 10px; padding-left: 22px; color: #4c625d; font-size: 14px; }
.renewal-guide code { font-family: Consolas, monospace; overflow-wrap: anywhere; }
.renewal-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.renew-action { display: inline-block; background: var(--green); color: #fff !important; border-radius: 8px; padding: 8px 12px; text-decoration: none; font-weight: 650; }
.share-link { padding: 6px 0; }
.share-link small { display: block; color: var(--muted); }
.share-link > div { display: flex; align-items: center; gap: 12px; margin-top: 7px; }
.share-link .secondary { margin: 0; padding: 7px 10px; }
label { display: block; font-size: 14px; color: #4c625d; margin-bottom: 15px; }
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  border: 1px solid #bdceca;
  border-radius: 9px;
  padding: 11px 12px;
  font: inherit;
  font-size: 16px;
  color: #17302b;
  background: #fff;
}
textarea { resize: vertical; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.inline-name { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 6px; }
.inline-name input { margin-top: 0; }
.inline-name button { width: auto; background: #fff; color: var(--green); border: 1px solid var(--border); white-space: nowrap; }
button {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  padding: 12px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
button:disabled { opacity: .58; cursor: default; }
.secondary { margin-top: 9px; background: #fff; color: var(--green); border: 1px solid var(--border); }
.text-button { width: auto; min-height: 40px; padding: 7px 4px; border: 0; background: transparent; color: var(--green); }
.error { color: var(--red); min-height: 1.5em; }
.roster-summary { background: var(--soft); border-radius: 11px; padding: 12px 14px; margin: 14px 0 17px; }
.roster-summary strong, .current-roster strong { display: block; }
.roster-summary p, .current-roster p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.roster-summary a, .current-roster a { color: var(--green); }
.admin-tools { margin-top: 18px; border: 1px solid var(--border); border-radius: 14px; background: #fff; padding: 13px 16px; }
.admin-tools > summary { cursor: pointer; color: var(--green); font-weight: 650; }
.admin-tools > .muted { margin: 10px 0 0; font-size: 14px; }
.tool-section { margin-top: 14px; padding-top: 14px; border-top: 1px solid #e8efed; }
.source-settings label:first-of-type { margin-top: 14px; }
.session-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--soft);
  padding: 14px 17px;
  border-radius: 13px;
  margin-top: 18px;
}
.session-bar small { display: block; color: var(--muted); margin-bottom: 3px; }
.session-bar strong { font-size: 17px; }
.form-heading, .records-heading, .record-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.form-heading { margin-bottom: 20px; }
.form-heading p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.edit-badge { color: var(--green); background: var(--soft); border-radius: 999px; padding: 5px 9px; font-size: 13px; white-space: nowrap; }
.records-heading { align-items: center; margin-bottom: 10px; }
.records-heading h2 { margin: 0; }
.records-heading span { color: var(--muted); font-size: 14px; }
details.records > summary { cursor: pointer; list-style-position: outside; }
details.records > summary h2 { display: inline; }
.registration-table-wrap { overflow-x: auto; margin-top: 10px; }
.registration-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.registration-table th,
.registration-table td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.registration-table th { color: var(--muted); font-weight: 600; background: #f5f8f7; }
.registration-table td:last-child { white-space: normal; min-width: 120px; }
.registration-export { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 10px 0 2px; padding: 9px 10px; border-radius: 9px; background: #f5f8f7; color: var(--muted); font-size: 13px; }
.registration-export a { flex: 0 0 auto; color: var(--green); font-weight: 700; text-decoration: none; }
.record { padding: 12px 0; border-top: 1px solid #edf1f0; }
.record:first-child { border-top: 0; }
.record strong { font-size: 16px; }
.record p { margin: 3px 0; color: var(--muted); font-size: 14px; }
.record button { width: auto; min-height: 34px; padding: 5px 10px; background: #e5f2ee; color: var(--green); font-size: 13px; }
.record .pending-label { color: var(--amber); }
.empty { color: var(--muted); }
.save-receipt {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 20;
  width: min(620px, calc(100% - 28px));
  transform: translateX(-50%);
  border: 1px solid #afd2c8;
  border-radius: 12px;
  background: #e8f3f0;
  color: #124f43;
  padding: 12px 15px;
  box-shadow: 0 10px 30px #17362d2b;
  font-size: 14px;
  font-weight: 650;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.save-receipt button { width: 34px; min-height: 34px; padding: 0; flex: 0 0 34px; background: transparent; color: inherit; font-size: 22px; }
.record-head small { color: var(--muted); }
.save-receipt.pending { border-color: #e2c78d; background: #fff6df; color: #7a4e06; }
@media (max-width: 520px) {
  .pair { grid-template-columns: 1fr; gap: 0; }
  .intro h1 { font-size: 25px; }
  .card { padding: 16px; }
  .tool-heading { align-items: flex-start; }
  .tool-heading button { width: auto; }
  .share-link .secondary { width: auto; }
}