:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  color: #18202a;
  background: #f3f6f8;
}

* { box-sizing: border-box; }

.admin-body {
  margin: 0;
  min-height: 100vh;
  background: #f3f6f8;
}

.admin-header {
  min-height: 64px;
  padding: 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #17212b;
  border-bottom: 1px solid #2b3a47;
}

.admin-brand {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.admin-header-actions { display: flex; align-items: center; gap: 10px; }
.admin-header-actions form { margin: 0; }
.admin-nav-link { color: #d7e5f2; text-decoration: none; font-size: 14px; }
.admin-nav-link:hover { color: #fff; }

.admin-logout,
.admin-login-form button {
  border: 0;
  border-radius: 6px;
  color: #fff;
  background: #1677ff;
  font: inherit;
  cursor: pointer;
}

.admin-logout { padding: 8px 12px; background: #314150; }
.admin-main { max-width: 1120px; margin: 0 auto; padding: 46px 32px; }

.admin-page-heading h1,
.admin-login-panel h1 { margin: 5px 0 10px; font-size: 30px; }
.admin-page-heading p:last-child,
.admin-login-panel > p { margin: 0; color: #62707e; }

.admin-eyebrow {
  margin: 0;
  color: #1677ff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.admin-maintenance-stats .admin-stat-card { min-height: 108px; }
.admin-stat-date { font-size: 16px !important; line-height: 1.3 !important; overflow-wrap: anywhere; }
.admin-maintenance-actions { display: grid; gap: 14px; align-items: start; }
.admin-maintenance-actions form { margin: 0; }
.admin-maintenance-confirm { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 1fr) auto; gap: 12px; align-items: end; padding-top: 14px; border-top: 1px solid #e9eef2; }
.admin-maintenance-confirm label { display: grid; gap: 6px; color: #536371; font-size: 13px; }
.admin-maintenance-confirm input[type="text"],
.admin-maintenance-confirm input:not([type]) { min-width: 0; height: 36px; padding: 0 9px; border: 1px solid #c9d4dd; border-radius: 5px; font: inherit; }
.admin-maintenance-confirm .admin-confirm-check { display: flex; align-items: center; gap: 7px; min-height: 36px; }

@media (max-width: 900px) {
  .admin-maintenance-confirm { grid-template-columns: 1fr; }
}

.admin-stat-card,
.admin-version-card,
.admin-login-panel,
.admin-notice,
.admin-warning {
  border: 1px solid #dbe2e8;
  background: #fff;
  border-radius: 8px;
}

.admin-stat-card { min-height: 126px; padding: 22px; display: grid; gap: 10px; }
.admin-stat-card span,
.admin-version-card span { color: #667685; font-size: 13px; }
.admin-stat-card strong { font-size: 34px; line-height: 1; }

.admin-version-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding: 18px 22px;
}

.split-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.admin-secondary-link { color: #1677ff; text-decoration: none; white-space: nowrap; }

.admin-create-card { margin-top: 28px; padding: 22px; border: 1px solid #dbe2e8; border-radius: 8px; background: #fff; }
.admin-create-card h2 { margin: 0 0 18px; font-size: 18px; }
.admin-account-create-form { display: grid; grid-template-columns: 1.1fr 1.1fr 1.1fr 0.9fr 1fr auto; gap: 12px; align-items: end; }
.admin-account-create-form label { display: grid; gap: 6px; color: #536371; font-size: 13px; }
.admin-account-create-form input,
.admin-account-create-form select,
.account-detail-action input,
.account-detail-action select { min-width: 0; height: 36px; padding: 0 9px; border: 1px solid #c9d4dd; border-radius: 5px; font: inherit; }
.admin-account-create-form button { height: 36px; padding: 0 14px; border: 0; border-radius: 5px; color: #fff; background: #1677ff; font: inherit; cursor: pointer; }

.admin-table-wrap { overflow-x: auto; margin-top: 18px; border: 1px solid #dbe2e8; border-radius: 8px; background: #fff; }
.admin-table { width: 100%; min-width: 1120px; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 13px 15px; border-bottom: 1px solid #e9eef2; text-align: left; vertical-align: top; white-space: nowrap; font-size: 13px; }
.admin-table th { color: #607181; background: #f8fafb; font-weight: 700; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-empty { color: #7e8b96; text-align: center !important; }
.inline-limit-form { display: inline-flex; align-items: center; gap: 6px; }
.inline-limit-form input { width: 72px; padding: 6px 7px; border: 1px solid #c9d4dd; border-radius: 5px; }

.account-status { display: inline-flex; padding: 3px 8px; border-radius: 4px; font-size: 12px; }
.status-active { color: #16794c; background: #eaf8ef; }
.status-paused { color: #a35b00; background: #fff3df; }
.status-deleted { color: #b42318; background: #ffebeb; }
.status-expired { color: #7a3a00; background: #fff0e5; }
.account-actions { display: flex; min-width: 310px; gap: 7px; flex-wrap: wrap; }
.account-actions form { margin: 0; }
.small-action { padding: 6px 9px; border: 1px solid #c9d4dd; border-radius: 5px; color: #314150; background: #fff; font: inherit; font-size: 12px; cursor: pointer; }
.danger-action { color: #b42318; border-color: #f4c3c0; background: #fff7f7; }
.account-detail-action { position: relative; }
.account-detail-action summary { padding: 6px 9px; border: 1px solid #c9d4dd; border-radius: 5px; color: #314150; background: #fff; cursor: pointer; font-size: 12px; }
.account-detail-action[open] { z-index: 2; }
.account-detail-action[open] form { position: absolute; top: 32px; right: 0; display: grid; gap: 6px; width: 180px; padding: 10px; border: 1px solid #dbe2e8; border-radius: 6px; background: #fff; box-shadow: 0 10px 24px rgba(25, 42, 58, 0.15); }

.admin-login-panel { width: min(440px, 100%); margin: 56px auto; padding: 34px; }
.admin-login-form { display: grid; gap: 10px; margin-top: 26px; }
.admin-login-form label { color: #394956; font-size: 14px; font-weight: 700; }
.admin-login-form input { height: 42px; padding: 0 12px; border: 1px solid #c9d4dd; border-radius: 6px; font: inherit; }
.admin-login-form button { min-height: 42px; margin-top: 6px; }
.admin-login-form button:disabled { cursor: not-allowed; opacity: 0.55; }

.admin-notice,
.admin-warning { margin-bottom: 20px; padding: 12px 16px; color: #9b2c2c; background: #fff7f7; border-color: #f5c2c7; }
.admin-notice p { margin: 0; }
.admin-warning { margin-top: 20px; }

.admin-formula-section { margin-top: 28px; }
.admin-formula-section h2,
.admin-formula-card h2 { margin: 0 0 12px; font-size: 19px; }
.admin-formula-card { margin-top: 24px; padding: 22px; border: 1px solid #dbe2e8; border-radius: 8px; background: #fff; }
.admin-formula-card p { margin: 7px 0; }
.admin-muted { color: #667685; font-size: 13px; }
.admin-code { font-family: Consolas, monospace; }
.admin-empty-copy { margin: 0; color: #667685; }
.admin-inline-form { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.admin-inline-form input,
.admin-formula-description input,
.admin-parameter-grid input,
.admin-preview-form input { min-width: 0; height: 36px; padding: 0 9px; border: 1px solid #c9d4dd; border-radius: 5px; font: inherit; }
.admin-primary-action { min-height: 36px; padding: 0 13px; border: 0; border-radius: 5px; color: #fff; background: #1677ff; font: inherit; cursor: pointer; }
.admin-version-meta { display: flex; flex-wrap: wrap; gap: 14px; color: #607181; font-size: 13px; }
.admin-formula-edit-form { display: grid; gap: 16px; margin-top: 18px; }
.admin-formula-description { display: grid; gap: 6px; max-width: 520px; color: #536371; font-size: 13px; }
.admin-formula-edit-form fieldset { margin: 0; padding: 15px; border: 1px solid #dbe2e8; border-radius: 6px; }
.admin-formula-edit-form legend { padding: 0 6px; color: #314150; font-weight: 700; }
.admin-parameter-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.admin-parameter-grid label { display: grid; gap: 6px; color: #394956; font-size: 13px; }
.admin-parameter-grid small { color: #667685; font-weight: 400; }
.admin-parameter-grid em { color: #667685; font-size: 12px; font-style: normal; line-height: 1.4; }
.admin-delete-draft-form { margin-top: 14px; }
.admin-readonly-parameters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.admin-readonly-parameters h3 { margin: 0 0 7px; font-size: 14px; }
.admin-readonly-parameters dl { margin: 0; padding: 12px; border: 1px solid #e1e8ed; border-radius: 5px; }
.admin-readonly-parameters dl div { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; font-size: 13px; }
.admin-readonly-parameters dt { color: #607181; }.admin-readonly-parameters dd { margin: 0; color: #24384b; }
.admin-compare-form { display: flex; align-items: end; gap: 8px; flex-wrap: wrap; }
.admin-compare-form label { display: grid; gap: 6px; color: #536371; font-size: 13px; }
.admin-compare-form select { min-width: 230px; height: 36px; padding: 0 9px; border: 1px solid #c9d4dd; border-radius: 5px; font: inherit; }
.admin-active-formula-card { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }.admin-actions form { margin: 0; }
.admin-publish-action { border-color: #1677ff; color: #125ebd; }
.admin-publish-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
.admin-publish-summary > div { display: grid; gap: 5px; padding: 13px; border: 1px solid #dbe2e8; border-radius: 6px; }.admin-publish-summary small, .admin-publish-summary span { color: #667685; font-size: 12px; }.admin-publish-summary strong { font-size: 16px; }.admin-publish-summary code { color: #536371; }
.admin-publish-form { display: grid; gap: 14px; margin-top: 20px; max-width: 620px; }.admin-publish-form label { display: grid; gap: 7px; color: #394956; font-size: 14px; }.admin-publish-form input[type='text'], .admin-publish-form input:not([type]) { height: 38px; padding: 0 10px; border: 1px solid #c9d4dd; border-radius: 5px; font: inherit; }.admin-publish-form > div { display: flex; gap: 8px; flex-wrap: wrap; }.admin-confirm-check { display: flex !important; align-items: center; gap: 8px !important; }
.admin-preview-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: end; margin-top: 16px; }
.admin-preview-form label { display: grid; gap: 6px; color: #536371; font-size: 13px; }
.admin-preview-results { margin-top: 20px; padding-top: 18px; border-top: 1px solid #e9eef2; }
.admin-preview-results h3 { margin: 0 0 12px; font-size: 16px; }
.admin-preview-results > div { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.admin-preview-results span { display: grid; gap: 5px; min-height: 66px; padding: 10px; border: 1px solid #e1e8ed; border-radius: 5px; }
.admin-preview-results small { color: #667685; font-size: 12px; }
.admin-preview-results strong { color: #24384b; font-size: 16px; }

@media (max-width: 820px) {
  .admin-header { padding: 0 20px; }
  .admin-main { padding: 30px 20px; }
  .admin-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-account-create-form { grid-template-columns: 1fr 1fr; }
  .admin-parameter-grid, .admin-preview-form { grid-template-columns: 1fr; }
  .admin-readonly-parameters { grid-template-columns: 1fr; }
  .admin-active-formula-card { align-items: flex-start; flex-direction: column; }.admin-publish-summary { grid-template-columns: 1fr; }
  .admin-preview-results > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}