:root {
  --bg: #f5f7f8;
  --panel: #ffffff;
  --line: #dce3e8;
  --text: #17212b;
  --muted: #627184;
  --primary: #16735f;
  --primary-strong: #0d5143;
  --primary-soft: #e8f4f0;
  --bad: #b9313f;
  --bad-soft: #fdebed;
  --warn: #9a6500;
  --warn-soft: #fff4db;
  --good: #19764a;
  --good-soft: #e7f5ee;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  background: #fff;
  color: #1d2a35;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  border-color: #94aaa7;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.danger {
  border-color: #f0bdc2;
  color: var(--bad);
}

.admin-login {
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-card {
  width: min(380px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 56px rgba(29, 43, 53, 0.12);
}

.login-mark,
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}

.login-card h1 {
  margin: 14px 0 24px;
  font-size: 25px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

label span {
  color: #334451;
  font-size: 13px;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 11px;
  background: #fff;
  color: var(--text);
}

textarea {
  resize: vertical;
}

#admin-login-status,
#license-status,
#release-status,
#account-status,
#password-status,
#backup-status,
#restore-status {
  min-height: 22px;
  color: var(--bad);
}

.admin-app {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #ffffff;
}

.admin-brand {
  display: grid;
  gap: 5px;
  margin-bottom: 22px;
}

.admin-brand strong {
  font-size: 18px;
}

.admin-brand span {
  color: var(--muted);
  font-size: 12px;
}

.admin-sidebar button {
  width: 100%;
  margin-bottom: 8px;
  text-align: left;
}

.admin-sidebar button.is-active {
  border-color: #c1ddd4;
  background: var(--primary-soft);
  color: var(--primary-strong);
}

#admin-logout {
  margin-top: 22px;
  color: var(--bad);
}

.admin-main {
  min-width: 0;
  padding: 28px;
}

.admin-panel {
  display: none;
}

.admin-panel.is-active {
  display: block;
}

.admin-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.admin-head h1 {
  margin: 0;
  font-size: 28px;
}

.admin-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.admin-head input {
  max-width: 420px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 14px;
}

.transport-status {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 7px 12px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--bad);
  border-radius: var(--radius);
  padding: 13px 14px;
  background: var(--panel);
}

.transport-status.is-secure {
  border-left-color: var(--good);
}

.transport-status strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 14px;
}

.transport-status small {
  grid-column: 1 / -1;
  color: var(--muted);
}

.endpoint-strip {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(360px, 1fr);
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--panel);
}

.endpoint-title,
.endpoint-value {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.endpoint-secondary {
  padding-top: 2px;
}

.endpoint-value input {
  min-width: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.endpoint-value button {
  flex: 0 0 auto;
}

.endpoint-strip > p {
  grid-column: 2;
  min-height: 18px;
  margin: -4px 0 0;
}

.stat-card,
.list-card,
.release-form,
.license-form,
.settings-form,
.security-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.system-update-card {
  display: grid;
  gap: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--panel);
}

.system-update-card[data-state="failed"],
.system-update-card[data-state="rolled_back"],
.system-update-card[data-state="diverged"],
.system-update-card[data-state="unavailable"] {
  border-left-color: var(--bad);
}

.system-update-title,
.system-update-title > div,
.system-update-actions,
.dialog-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.system-update-title {
  justify-content: space-between;
}

.system-update-title h2,
.confirm-dialog h2 {
  margin: 0;
  font-size: 20px;
}

.system-update-title p {
  margin: 0;
  color: var(--muted);
}

.system-update-commit {
  display: grid;
  gap: 5px;
  border-radius: var(--radius);
  padding: 12px 14px;
  background: #f7f9fa;
}

.system-update-commit span {
  color: var(--muted);
  font-size: 13px;
}

.system-update-actions {
  flex-wrap: wrap;
}

.confirm-dialog {
  width: min(480px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  color: var(--text);
  box-shadow: 0 20px 70px rgba(23, 33, 43, 0.25);
}

.confirm-dialog::backdrop {
  background: rgba(23, 33, 43, 0.52);
}

.confirm-dialog form {
  padding: 20px;
}

.confirm-dialog p {
  color: var(--muted);
  line-height: 1.55;
}

.dialog-actions {
  justify-content: flex-end;
}

.stat-card {
  padding: 18px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
}

.admin-list {
  display: grid;
  gap: 12px;
}

.license-workbench,
.settings-grid {
  display: grid;
  grid-template-columns: minmax(360px, 1fr) minmax(280px, 0.7fr);
  gap: 14px;
  margin-bottom: 16px;
}

.license-form,
.release-form,
.settings-form,
.security-note {
  padding: 16px;
}

.security-note strong {
  display: block;
  margin-bottom: 10px;
}

.security-note p {
  overflow-wrap: anywhere;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.license-result,
.release-result {
  margin-top: 12px;
}

.release-result input {
  margin-top: 10px;
}

.result-head,
.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.result-head.compact {
  margin-top: 12px;
}

.result-head.compact > div {
  display: flex;
  gap: 8px;
}

.list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.license-code,
#license-output {
  margin-top: 10px;
  min-height: 96px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
}

.release-form {
  display: grid;
  gap: 2px;
  margin-bottom: 16px;
}

.release-form button[type="submit"] {
  width: min(240px, 100%);
}

.settings-form h2 {
  margin: 0 0 16px;
  font-size: 18px;
}

.settings-grid {
  max-width: 560px;
  grid-template-columns: 1fr;
}

.backup-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  gap: 14px;
}

.form-note {
  margin: -4px 0 16px;
  color: var(--muted);
  line-height: 1.55;
}

.danger-zone {
  border-color: #f0bdc2;
  background: #fffafa;
}

.list-card {
  padding: 16px;
}

.list-head h2 {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 18px;
}

.list-head p,
.list-card > p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.meta-grid div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.meta-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.meta-grid strong {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
  font-size: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  background: #eef2f5;
  color: #465668;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge.good {
  background: var(--good-soft);
  color: var(--good);
}

.badge.warn {
  background: var(--warn-soft);
  color: var(--warn);
}

.badge.bad {
  background: var(--bad-soft);
  color: var(--bad);
}

.danger-text {
  color: var(--bad);
}

.empty {
  padding: 22px;
  border: 1px dashed #c7d2da;
  border-radius: var(--radius);
  background: #fff;
  color: var(--muted);
}

.audit-card h2 {
  font-size: 15px;
}

@media (max-width: 980px) {
  .admin-app {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
    height: auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .admin-brand {
    grid-column: 1 / -1;
  }

  .admin-sidebar button {
    margin: 0;
    text-align: center;
  }

  .license-workbench,
  .settings-grid,
  .backup-grid,
  .endpoint-strip,
  .form-grid,
  .form-grid.three {
    grid-template-columns: 1fr;
  }

  .endpoint-strip > p {
    grid-column: 1;
  }

  .stat-grid,
  .meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .admin-main {
    padding: 18px;
  }

  .admin-head {
    align-items: stretch;
    flex-direction: column;
  }

  .system-update-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-head input {
    max-width: none;
  }

  .stat-grid,
  .meta-grid,
  .admin-sidebar {
    grid-template-columns: 1fr;
  }
}