:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #667085;
  --line: #d7dee8;
  --panel: #ffffff;
  --page: #eef3f7;
  --accent: #147a84;
  --accent-strong: #0b5d66;
  --good: #178a52;
  --warn: #bd6b00;
  --danger: #b42318;
  --shadow: 0 18px 50px rgba(30, 45, 62, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 28px;
  background: #f8fafc;
  border-right: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 800;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.device-card h3,
.device-card p,
.route-panel h3,
.route-panel h4,
.route-panel p,
.setup-panel h3,
.setup-panel h4,
.setup-panel p,
.history-panel h3,
.history-panel p,
.security-panel h3,
.security-panel p,
.billing-panel h3,
.billing-panel p,
.settings-panel h3,
.settings-panel p,
.relay-card p,
dialog h3 {
  margin: 0;
}

.brand h1 {
  font-size: 1.2rem;
}

.brand p,
.relay-card p,
.device-card p,
.eyebrow {
  color: var(--muted);
}

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

.nav-item,
.relay-card,
.metrics article,
.device-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.nav-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  color: var(--ink);
}

.nav-item.active {
  border-color: rgba(20, 122, 132, 0.45);
  background: #e7f5f6;
}

.relay-card {
  margin-top: auto;
  display: flex;
  gap: 12px;
  padding: 14px;
}

.status-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--warn);
}

.status-dot.online {
  background: var(--good);
}

.content {
  padding: 32px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

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

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0;
  font-weight: 800;
}

.topbar h2 {
  max-width: 780px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.06;
}

.primary-button,
.secondary-button,
.icon-button,
.segment {
  border: 1px solid transparent;
  border-radius: 8px;
  min-height: 42px;
}

.primary-button {
  padding: 0 18px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.primary-button:hover {
  background: var(--accent-strong);
}

.secondary-button {
  padding: 0 16px;
  background: white;
  border-color: var(--line);
  color: var(--ink);
}

.compact-button {
  min-height: 34px;
  padding: 0 12px;
  font-size: 0.85rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.route-layout,
.setup-layout,
.security-grid,
.billing-layout,
.settings-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.route-panel,
.setup-panel,
.history-panel,
.security-panel,
.billing-panel,
.settings-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 18px;
  box-shadow: var(--shadow);
}

.route-panel h3,
.setup-panel h3,
.history-panel h3,
.security-panel h3,
.billing-panel h3,
.settings-panel h3 {
  font-size: 1.05rem;
}

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

.route-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.route-step:first-of-type {
  margin-top: 14px;
}

.route-step strong {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #e7f5f6;
  color: var(--accent-strong);
}

.route-step h4 {
  font-size: 0.98rem;
}

.route-step p,
.setup-panel p,
.history-panel p,
.security-panel p,
.billing-panel p,
.settings-panel p {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.45;
}

.settings-layout {
  grid-template-columns: minmax(280px, 0.75fr) minmax(320px, 1.25fr);
}

.settings-field {
  display: grid;
  gap: 7px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.84rem;
}

.settings-field input,
.settings-panel textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: white;
}

.settings-field input {
  height: 42px;
  padding: 0 12px;
}

.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.settings-panel textarea {
  min-height: 220px;
  margin-top: 14px;
  padding: 12px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem;
}

.command-box {
  width: 100%;
  min-height: 190px;
  margin: 14px 0 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f172a;
  color: #e2e8f0;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84rem;
}

.agent-download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 12px;
  font-size: 0.86rem;
}

.agent-download-links a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.agent-download-links a:hover {
  text-decoration: underline;
}

.danger-button {
  color: var(--danger);
}

.setup-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.9fr) minmax(260px, 0.9fr);
}

.history-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
  margin-top: 28px;
}

.history-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 16px;
}

.history-panel > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.history-panel > header p {
  margin: 4px 0 0;
}

.readiness-list,
.history-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.readiness-item,
.history-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  padding: 14px;
}

.readiness-item header,
.history-item {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.readiness-item header {
  align-items: flex-start;
}

.readiness-item h4 {
  margin: 0;
}

.readiness-item header strong {
  color: var(--accent-strong);
}

.readiness-item ul,
.check-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.readiness-item li,
.check-list li {
  color: var(--muted);
  line-height: 1.35;
}

.readiness-item li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
}

.readiness-item li span {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff0d7;
  color: var(--warn);
  font-size: 0.72rem;
  font-weight: 900;
}

.readiness-item li.done span {
  background: #dff7e9;
  color: var(--good);
}

.history-item {
  align-items: center;
}

.history-item code {
  max-width: 48%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent-strong);
}

.relay-session-item code {
  color: var(--ink);
}

.empty-state {
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
}

.inline-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.preflight-details {
  margin-top: 10px;
}

.preflight-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 14px;
}

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

.preflight-card h3,
.preflight-card p {
  margin: 0;
}

.preflight-card ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.preflight-card li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  min-height: 58px;
  padding: 10px;
  border-radius: 8px;
  background: #f8fafc;
}

.preflight-card li > span {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 900;
}

.preflight-card li.pass > span {
  background: #dff7e9;
  color: var(--good);
}

.preflight-card li.warn > span {
  background: #fff0d7;
  color: var(--warn);
}

.preflight-card li.block > span {
  background: #fde2e2;
  color: #b42318;
}

.preflight-card strong {
  display: block;
  font-size: 0.9rem;
}

.preflight-card li p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.3;
}

.plan-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  background: #f5f8fb;
}

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

.pairing-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 16px;
  padding: 12px;
  border-radius: 8px;
  background: #f5f8fb;
}

.pairing-box span {
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--accent-strong);
}

.relay-session-box,
.relay-endpoint-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 18px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f8fb;
}

.relay-endpoint-box {
  margin-top: -8px;
}

.relay-session-box span,
.relay-session-box strong,
.relay-endpoint-box span,
.relay-endpoint-box strong {
  display: block;
}

.relay-session-box span,
.relay-endpoint-box span {
  color: var(--muted);
  font-size: 0.84rem;
}

.relay-endpoint-box strong {
  font-variant-numeric: tabular-nums;
}

.history-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 0 0 auto;
}

.relay-status-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
  margin-top: 18px;
  padding: 12px;
  border-radius: 8px;
  background: #f5f8fb;
}

.relay-status-box span,
.relay-status-box strong {
  display: block;
}

.relay-status-box span {
  color: var(--muted);
  font-size: 0.84rem;
}

.entitlement-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
  margin-top: 18px;
  padding: 12px;
  border-radius: 8px;
  background: #f5f8fb;
}

.entitlement-box span,
.entitlement-box strong {
  display: block;
}

.entitlement-box span {
  color: var(--muted);
  font-size: 0.84rem;
}

.license-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 16px;
}

.license-form input {
  min-width: 0;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
}

.audit-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
  margin-top: 18px;
  padding: 12px;
  border-radius: 8px;
  background: #f5f8fb;
}

.audit-box span,
.audit-box strong {
  display: block;
}

.audit-box span {
  color: var(--muted);
  font-size: 0.84rem;
}

.audit-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.audit-list.compact {
  margin-top: 16px;
}

.audit-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.audit-item span {
  color: var(--muted);
  white-space: nowrap;
}

.audit-item p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.agent-registry-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.agent-registry-item {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) minmax(120px, 1fr) minmax(110px, 0.8fr) auto 42px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.agent-registry-item h4 {
  font-size: 0.98rem;
}

.agent-registry-item p,
.agent-registry-item span {
  color: var(--muted);
  font-size: 0.84rem;
}

.badge.stale {
  background: #fff0d8;
  color: #a16600;
}

.wide-panel {
  grid-column: 1 / -1;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.detail-list div,
.connection-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.detail-list dt,
.connection-summary span,
.connection-url {
  color: var(--muted);
  font-size: 0.84rem;
}

.detail-list dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.connection-summary {
  margin: 18px 0;
}

.connection-summary div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f8fb;
}

.connection-summary strong,
.connection-summary span {
  display: block;
}

.connection-agent-state {
  margin: -6px 0 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f8fb;
  color: var(--muted);
  line-height: 1.4;
}

.connection-agent-state.ready {
  border-color: #b9e8c8;
  background: #f1fbf4;
  color: var(--good);
}

.connection-agent-state.warning,
.connection-agent-state.stale {
  border-color: #f2cf9b;
  background: #fff8ea;
  color: #8a5b00;
}

.connection-url {
  display: grid;
  gap: 7px;
}

.connection-url input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: white;
}

.metrics article {
  padding: 16px;
}

.metrics span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
}

.metrics strong {
  display: block;
  margin-top: 6px;
  font-size: 1.8rem;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.toolbar-actions {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.segmented {
  display: flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.segment {
  min-width: 88px;
  padding: 0 14px;
  background: transparent;
  color: var(--muted);
}

.segment.active {
  background: var(--accent);
  color: white;
}

.search-label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
}

.search-label input {
  width: min(340px, 42vw);
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: white;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.device-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.device-card header,
.device-card footer,
.device-meta,
.route-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.device-title {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.device-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #ddebf0;
  color: var(--accent-strong);
  font-weight: 800;
}

.device-title h3 {
  overflow-wrap: anywhere;
  font-size: 1.02rem;
}

.badge {
  padding: 5px 8px;
  border-radius: 999px;
  background: #edf2f7;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge.online {
  background: #dff7e9;
  color: var(--good);
}

.device-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.route-row {
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f5f8fb;
}

.route-row span {
  color: var(--muted);
  font-size: 0.84rem;
}

.unmatched-agent {
  border-color: #9ec8d0;
  background: #f4fbfc;
}

.unmatched-agent .secondary-button {
  margin-top: 12px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 42px;
  gap: 8px;
}

.icon-button {
  width: 42px;
  padding: 0;
  background: white;
  border-color: var(--line);
  color: var(--ink);
}

dialog {
  width: min(680px, calc(100vw - 28px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(10, 20, 30, 0.42);
}

dialog form {
  padding: 22px;
}

dialog header,
dialog footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.form-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.84rem;
}

.form-grid input,
.form-grid select {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: white;
}

.wide {
  grid-column: 1 / -1;
}

#deleteDeviceButton {
  color: var(--danger);
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

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

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

  .relay-card {
    margin-top: 0;
  }

  .topbar,
  .toolbar,
  .toolbar-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .route-layout,
  .setup-layout,
  .history-layout,
  .security-grid,
  .billing-layout,
  .settings-layout {
    grid-template-columns: 1fr;
  }

  .history-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .pairing-box {
    align-items: stretch;
    flex-direction: column;
  }

  .relay-session-box,
  .relay-endpoint-box {
    align-items: stretch;
    flex-direction: column;
  }

  .relay-status-box {
    grid-template-columns: 1fr;
  }

  .entitlement-box {
    grid-template-columns: 1fr;
  }

  .audit-box {
    grid-template-columns: 1fr;
  }

  .agent-registry-item {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .agent-registry-item .icon-button {
    width: 100%;
    height: 38px;
  }

  .history-item code {
    max-width: 100%;
  }

  .search-label input {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .content,
  .sidebar {
    padding: 18px;
  }

  .nav-list,
  .metrics,
  .form-grid,
  .connection-summary {
    grid-template-columns: 1fr;
  }

  .segmented {
    width: 100%;
  }

  .segment {
    flex: 1;
    min-width: 0;
  }
}