:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-muted: #f1f5f9;
  --border: #dbe3ea;
  --border-strong: #bdc9d6;
  --text: #111827;
  --muted: #64748b;
  --muted-strong: #475569;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #b45309;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b91c1c;
  --info: #2563eb;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-low: 0 1px 2px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

button,
input {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 16px;
  background: #111827;
  border-right: 1px solid #0f172a;
  color: #e5e7eb;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  color: #f8fafc;
}

.brand:hover {
  color: #f8fafc;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
}

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

.brand strong {
  font-size: 15px;
  font-weight: 700;
}

.brand small {
  color: #9ca3af;
  font-size: 12px;
}

.nav-list {
  display: grid;
  gap: 4px;
  margin-top: 24px;
}

.nav-list a {
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-md);
  color: #cbd5e1;
  font-weight: 600;
}

.nav-list a:hover,
.nav-list a.active {
  background: #1f2937;
  color: #ffffff;
  text-decoration: none;
}

.sidebar-status {
  display: grid;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid #243244;
  color: #9ca3af;
  font-size: 12px;
}

.status-chip,
.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 700;
}

.status-chip {
  background: #1f2937;
  border-color: #334155;
  color: #d1d5db;
}

.status-chip.ok,
.badge.ok {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: var(--success);
}

.status-chip.warn,
.badge.warn {
  border-color: #fde68a;
  background: #fffbeb;
  color: var(--warning);
}

.status-chip.fail,
.badge.fail {
  border-color: #fecaca;
  background: #fef2f2;
  color: var(--danger);
}

.badge.disabled {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--muted-strong);
}

.main {
  min-width: 0;
  padding: 24px 32px 40px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.topbar h1,
.section-header h2,
.panel-header h3 {
  margin: 0;
  letter-spacing: 0;
}

.topbar h1 {
  font-size: 28px;
  line-height: 1.15;
}

.topbar p,
.section-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

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

.view {
  display: none;
}

.view.active {
  display: block;
}

.section-header {
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 18px;
  line-height: 1.25;
}

.market-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 2fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-low);
}

.market-panel h3 {
  margin: 2px 0 0;
  font-size: 20px;
}

.eyebrow {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.market-values {
  display: grid;
  grid-template-columns: minmax(140px, 1.2fr) repeat(2, minmax(120px, 1fr));
  gap: 10px;
}

.market-value {
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
}

.market-value span,
.market-value strong {
  display: block;
}

.market-value span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.market-value strong {
  margin-top: 4px;
  font-size: 16px;
  line-height: 1.2;
}

.market-value.primary strong {
  color: var(--primary-dark);
  font-size: 20px;
}

.market-panel.is-stale .market-value.primary strong {
  color: var(--warning);
}

.coin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.coin-panel,
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-low);
}

.coin-panel {
  padding: 16px;
}

.trend-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.trend-card {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-low);
}

.trend-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.trend-header h3 {
  margin: 0;
  font-size: 14px;
}

.trend-header span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.trend-chart,
.trend-empty {
  display: block;
  width: 100%;
  height: 92px;
}

.trend-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--muted);
  background: var(--surface-muted);
  font-size: 12px;
  font-weight: 700;
}

.coin-header,
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.coin-header h3 {
  margin: 0;
  font-size: 18px;
}

.coin-role {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--border);
}

.metric {
  min-width: 0;
  padding: 10px 12px;
  background: var(--surface);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.metric strong {
  display: block;
  overflow: hidden;
  margin-top: 3px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 16px;
}

.panel {
  min-width: 0;
  padding: 16px;
}

.panel-header h3 {
  font-size: 16px;
}

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

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--surface);
}

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

th {
  background: var(--surface-muted);
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 700;
}

td {
  font-size: 13px;
}

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

tbody tr.block-row-orphaned td {
  background: #fff7f7;
}

tbody tr.block-row-orphaned td:first-child {
  border-left: 3px solid var(--danger);
}

.hash,
.mono {
  max-width: 300px;
  overflow: hidden;
  font-family: var(--mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty,
.empty-cell {
  color: var(--muted);
}

.empty-cell {
  padding: 20px 12px;
  text-align: center;
}

.button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

.button.secondary,
.button.text {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.button.secondary:hover,
.button.text:hover {
  background: var(--surface-muted);
  border-color: var(--muted);
}

.button.text {
  min-height: 30px;
  padding: 0 8px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--muted-strong);
  font-weight: 700;
  cursor: pointer;
}

.tab.active {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.lookup-form {
  max-width: 920px;
  margin-bottom: 16px;
}

.lookup-form label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
}

.input-row {
  display: flex;
  gap: 8px;
}

input {
  width: 100%;
  min-width: 0;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  font-family: var(--mono);
}

input:focus {
  border-color: var(--primary);
  outline: 2px solid rgba(15, 118, 110, 0.18);
  outline-offset: 1px;
}

.miner-result,
.command-list {
  display: grid;
  gap: 16px;
}

.balance-grid,
.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--border);
}

.admin-accounting {
  display: grid;
  gap: 16px;
}

.admin-coin {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.admin-coin:first-child {
  padding-top: 0;
  border-top: 0;
}

.admin-coin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.admin-coin h4 {
  margin: 0;
  font-size: 14px;
}

.balance-item,
.admin-item {
  min-width: 0;
  padding: 12px;
  background: var(--surface);
}

.balance-item span,
.admin-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.balance-item strong,
.admin-item strong {
  display: block;
  overflow: hidden;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.health-row {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.health-row strong {
  display: block;
}

.health-row small {
  display: block;
  overflow: hidden;
  margin-top: 2px;
  color: var(--muted);
  font-family: var(--mono);
  text-overflow: ellipsis;
  white-space: normal;
}

.command-card {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.command-card-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.command-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

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

.command-card code {
  display: block;
  overflow-x: auto;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #0f172a;
  color: #e5e7eb;
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

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

  .market-panel,
  .trend-grid,
  .coin-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .main {
    padding: 20px 16px 32px;
  }

  .topbar,
  .input-row,
  .command-card-link {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-actions,
  .input-row .button,
  .command-card-link .button {
    width: 100%;
  }

  .button-row {
    width: 100%;
  }

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

  .metric-grid,
  .market-values,
  .balance-grid,
  .admin-stats {
    grid-template-columns: 1fr;
  }
}