:root {
  --bg: #f3f6fc;
  --surface: #ffffff;
  --surface-soft: #f7f9fd;
  --surface-subtle: #eef2f8;
  --text: #172437;
  --text-secondary: #5a6c85;
  --text-muted: #70829b;
  --border: #dbe4f1;
  --border-strong: #c7d2e2;
  --primary: #356ad6;
  --primary-hover: #2855b0;
  --primary-soft: #e9f0ff;
  --success: #1d9965;
  --success-soft: #e8f7ef;
  --warning: #b9851d;
  --warning-soft: #fff6e5;
  --error: #cb4646;
  --error-soft: #fdeeee;
  --neutral: #75849a;
  --neutral-soft: #eef2f7;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-soft: 0 10px 28px rgba(20, 35, 63, 0.06);
  --shadow-focus: 0 0 0 3px rgba(53, 106, 214, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px 7px;
  color: var(--text);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
}

p {
  margin: 0;
}

.layout {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.brand {
  padding: 6px 10px;
}

.brand-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 12px;
}

.sidebar-group-label {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0 10px;
}

.nav {
  display: grid;
  gap: 4px;
}

.nav-link {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--text);
}

.nav-link.active {
  border-color: #b8c6dd;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

.nav-link.subtle {
  color: var(--text-muted);
  font-size: 13px;
}

.nav-link-icon {
  width: 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 5px;
  opacity: 0.8;
  flex: 0 0 auto;
}

.sidebar-footer {
  margin-top: auto;
  padding: 10px 4px 0;
  border-top: 1px solid var(--border);
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  padding: 16px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 15;
}

.topbar-kicker {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 2px;
}

.topbar-title {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.content {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 26px;
  display: grid;
  gap: 16px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-subtitle {
  margin-top: 7px;
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 760px;
}

.card,
.section-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.card.nested {
  background: var(--surface-soft);
  box-shadow: none;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 19px;
  font-weight: 650;
}

.section-description {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 14px;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.between {
  justify-content: space-between;
}

.inline-flex {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 13px;
  min-height: 38px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  background: var(--surface-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.05s ease;
}

.btn:hover {
  border-color: var(--border-strong);
  background: var(--surface-subtle);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background: var(--surface-soft);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
}

.btn-danger {
  background: #fff3f3;
  border-color: #f0caca;
  color: var(--error);
}

.btn-icon {
  width: 34px;
  min-width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 9px;
}

label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  padding: 9px 11px;
  min-height: 40px;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--border-strong);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}

input[disabled],
select[disabled],
textarea[disabled] {
  background: var(--surface-soft);
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.form-error {
  color: var(--error);
  font-size: 13px;
  font-weight: 500;
}

.form-hint {
  color: var(--text-muted);
  font-size: 12px;
}

.settings-list {
  display: grid;
  gap: 10px;
}

.settings-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  padding: 12px 14px;
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr auto;
  align-items: center;
}

.settings-item-title {
  font-weight: 600;
}

.settings-item-description {
  color: var(--text-secondary);
  font-size: 13px;
}

.settings-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-height: 20px;
  accent-color: var(--primary);
  cursor: pointer;
}

.summary-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.summary-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 12px;
  display: grid;
  gap: 7px;
}

.summary-title {
  color: var(--text-secondary);
  font-size: 13px;
}

.summary-value {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.summary-meta {
  color: var(--text-muted);
  font-size: 12px;
}

.status-badge,
.badge {
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid transparent;
}

.status-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-success {
  color: var(--success);
  background: var(--success-soft);
  border-color: #c8ecd9;
}

.status-warning {
  color: var(--warning);
  background: var(--warning-soft);
  border-color: #f0deb4;
}

.status-error {
  color: var(--error);
  background: var(--error-soft);
  border-color: #f2c8c8;
}

.status-neutral {
  color: var(--neutral);
  background: var(--neutral-soft);
  border-color: #d8e0ea;
}

.badge {
  border-color: var(--border);
  color: var(--text-muted);
  background: #fff;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 740px;
}

th,
td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 10px 12px;
  font-size: 13px;
  vertical-align: top;
}

th {
  color: var(--text-secondary);
  font-weight: 700;
  background: var(--surface-soft);
}

tbody tr:hover {
  background: #fafcff;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.cell-ellipsis {
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.table-actions {
  display: inline-flex;
  gap: 6px;
}

.empty-state {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  background: var(--surface-soft);
}

.empty-state-title {
  font-weight: 650;
}

.empty-state-text {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 14px;
}

.check-results-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.check-result-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  padding: 12px;
}

.check-result-title {
  font-size: 13px;
  color: var(--text-secondary);
}

.check-result-meta {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.details-box {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  padding: 10px;
}

details summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-weight: 600;
}

.pre,
pre {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--text);
  padding: 10px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.kv-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.kv-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  background: var(--surface-soft);
}

.metrics-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  background: var(--surface-soft);
}

.metric-value {
  margin-top: 7px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--text-secondary);
  padding: 8px 11px;
  cursor: pointer;
  font-weight: 600;
}

.tab:hover {
  border-color: var(--border-strong);
}

.tab.active {
  color: var(--primary);
  border-color: #b8c6dd;
  background: var(--primary-soft);
}

.fields-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.field-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  background: var(--surface-soft);
}

.field-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.field-title {
  font-weight: 650;
}

.alert {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 14px;
}

.alert-error {
  border-color: #efc6c6;
  background: var(--error-soft);
  color: #9c2d2d;
}

.alert-info {
  border-color: #bdd1f6;
  background: #edf3ff;
  color: #2b5296;
}

.alert-success {
  border-color: #c6e7d7;
  background: var(--success-soft);
  color: #1f7c54;
}

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card {
  width: min(560px, 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.auth-card.wide {
  width: min(980px, 100%);
}

.stack {
  display: grid;
  gap: 8px;
}

.split-2 {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.qr-image {
  width: min(220px, 100%);
  height: auto;
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.toast-layer {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 8px;
  z-index: 100;
}

.toast {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow-soft);
  padding: 10px 12px;
  min-width: 260px;
  font-size: 14px;
}

.toast-success {
  border-color: #c6e7d7;
  background: var(--success-soft);
  color: #186443;
}

.toast-error {
  border-color: #f0cbcb;
  background: var(--error-soft);
  color: #8f2d2d;
}

.toast-info {
  border-color: #bdd1f6;
  background: #edf3ff;
  color: #2b5296;
}

.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 38, 0.52);
  display: grid;
  place-items: center;
  z-index: 120;
  padding: 16px;
}

.confirm-dialog {
  width: min(430px, 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  padding: 16px;
  box-shadow: var(--shadow-soft);
}

.confirm-dialog h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.confirm-dialog p {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

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

.muted {
  color: var(--text-secondary);
}

.small {
  font-size: 12px;
}

.hidden {
  display: none !important;
}

.mt-8 {
  margin-top: 8px;
}

.mt-12 {
  margin-top: 12px;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

@media (max-width: 1100px) {
  .content {
    padding: 18px;
  }
}

@media (max-width: 940px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .split-2 {
    grid-template-columns: 1fr;
  }
}