:root {
  --admin-bg: #f4f7fb;
  --admin-panel: #ffffff;
  --admin-ink: #111827;
  --admin-muted: #667085;
  --admin-line: #d8e1ed;
  --admin-accent: #0f766e;
  --admin-danger: #b42318;
  --admin-warn: #b7791f;
  --admin-ok: #047857;
}

.admin-body {
  min-height: 100vh;
  background: var(--admin-bg);
  color: var(--admin-ink);
}

.admin-login-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(244,247,251,0.96), rgba(255,255,255,0.96)),
    repeating-linear-gradient(0deg, rgba(38,51,71,0.04) 0, rgba(38,51,71,0.04) 1px, transparent 1px, transparent 48px),
    repeating-linear-gradient(90deg, rgba(38,51,71,0.035) 0, rgba(38,51,71,0.035) 1px, transparent 1px, transparent 48px);
}

.admin-login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(18, 27, 43, 0.14);
}

.admin-login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-login-brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
}

.admin-login-brand strong,
.admin-login-brand small {
  display: block;
}

.admin-login-brand small {
  margin-top: 2px;
  color: var(--admin-muted);
  font-size: 11px;
}

.admin-login-card h1 {
  margin: 0 0 6px;
  font-size: 24px;
  line-height: 1.2;
}

.admin-login-card p {
  margin: 0;
  color: var(--admin-muted);
}

.admin-login-card label {
  display: grid;
  gap: 6px;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 800;
}

.admin-login-error {
  min-height: 20px;
  color: var(--admin-danger) !important;
  font-size: 13px;
  font-weight: 800;
}

.admin-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

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

.admin-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--admin-ink);
  text-decoration: none;
}

.admin-brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.admin-brand strong,
.admin-brand small {
  display: block;
}

.admin-brand small {
  margin-top: 2px;
  color: var(--admin-muted);
  font-size: 11px;
  letter-spacing: 0;
}

.admin-nav {
  display: grid;
  gap: 6px;
}

.admin-nav button,
.admin-link-btn {
  min-height: 38px;
  width: 100%;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--admin-muted);
  font: inherit;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
}

.admin-nav button.active,
.admin-nav button:hover,
.admin-link-btn:hover {
  border-color: rgba(15, 118, 110, 0.16);
  background: #e7f7f2;
  color: #0b4f4a;
}

.admin-side-actions {
  margin-top: auto;
  display: grid;
  gap: 8px;
}

.admin-link-btn {
  display: flex;
  align-items: center;
}

.admin-link-btn.danger {
  color: var(--admin-danger);
}

.admin-main {
  min-width: 0;
  padding: 24px;
}

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

.admin-top h1 {
  margin: 0 0 4px;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}

.admin-top p {
  margin: 0;
  color: var(--admin-muted);
}

.admin-top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-badge,
.admin-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eef3f8;
  color: #334155;
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.admin-pill.ok { background: #ecfdf3; color: var(--admin-ok); }
.admin-pill.warn { background: #fffaeb; color: var(--admin-warn); }
.admin-pill.bad { background: #fef3f2; color: var(--admin-danger); }

.admin-page {
  display: none;
}

.admin-page.active {
  display: block;
}

.admin-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.admin-summary-card,
.admin-panel {
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: var(--admin-panel);
  box-shadow: 0 12px 28px rgba(18, 27, 43, 0.06);
}

.admin-summary-card {
  padding: 16px;
}

.admin-summary-card span {
  display: block;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 800;
}

.admin-summary-card strong {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  line-height: 1;
}

.admin-grid {
  display: grid;
  gap: 14px;
}

.admin-grid.two {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.admin-panel {
  overflow: hidden;
}

.admin-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-line);
  background: #fbfcfe;
}

.admin-panel-head h2,
.admin-panel h2 {
  margin: 0;
  font-size: 15px;
}

.admin-form,
.admin-todo,
.admin-detail-body,
.admin-system-block {
  padding: 16px;
}

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

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

.admin-form label {
  display: grid;
  gap: 6px;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 800;
}

.admin-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px auto auto;
  gap: 10px;
  margin-bottom: 12px;
  align-items: center;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--admin-line);
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

.admin-table th {
  color: var(--admin-muted);
  background: #fbfcfe;
  font-size: 12px;
  font-weight: 900;
}

.admin-table tr:last-child td {
  border-bottom: 0;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

.admin-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}

.admin-kv {
  display: grid;
  gap: 8px;
}

.admin-kv-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid #edf1f7;
}

.admin-kv-row:last-child {
  border-bottom: 0;
}

.admin-kv-row span {
  color: var(--admin-muted);
}

.admin-detail-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 16px;
}

.admin-list {
  display: grid;
  gap: 8px;
}

.admin-list-item {
  border: 1px solid #edf1f7;
  border-radius: 8px;
  padding: 10px;
  background: #fbfcfe;
}

.admin-denied {
  max-width: 520px;
  padding: 28px;
  border: 1px solid var(--admin-line);
  border-radius: 8px;
  background: #fff;
}

.hidden {
  display: none !important;
}

.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(17, 24, 39, 0.42);
}

.admin-modal-box {
  width: min(560px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(18, 27, 43, 0.24);
}

.admin-modal-head,
.admin-modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-line);
}

.admin-modal-foot {
  justify-content: flex-end;
  border-top: 1px solid var(--admin-line);
  border-bottom: 0;
}

.admin-modal-head h3 {
  margin: 0;
  font-size: 16px;
}

.admin-modal-body {
  padding: 16px;
}

.admin-modal-body label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--admin-muted);
  font-size: 12px;
  font-weight: 800;
}

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

  .admin-side {
    position: static;
    height: auto;
  }

  .admin-summary-grid,
  .admin-grid.two,
  .admin-form-row {
    grid-template-columns: 1fr;
  }

  .admin-toolbar {
    grid-template-columns: 1fr;
  }
}