:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --panel-soft: #f0f4f2;
  --text: #17211f;
  --muted: #66736f;
  --line: #d9e1dd;
  --accent: #146b5d;
  --accent-strong: #0f4f45;
  --blue: #2457a6;
  --blue-soft: #e7eefb;
  --warn: #b86519;
  --ok: #21845a;
  --danger: #a63d2a;
  --shadow: 0 18px 45px rgba(23, 33, 31, 0.08);
}

* {
  box-sizing: border-box;
}

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

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
}

.sidebar {
  min-height: 100vh;
  padding: 24px 18px;
  background: #17211f;
  color: #edf3f0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #d7f0e6;
  color: #123a33;
  font-weight: 800;
}

.brand strong,
.brand span {
  display: block;
  line-height: 1.2;
}

.brand span {
  color: #9eb0aa;
  font-size: 13px;
}

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

.nav-item {
  min-height: 40px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #c9d6d1;
  text-decoration: none;
  font-size: 14px;
}

.nav-item.is-active {
  background: #263532;
  color: #ffffff;
}

.nav-item:hover {
  background: #21302d;
  color: #ffffff;
}

.sidebar-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #b9c9c3;
  font-size: 13px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #69d69c;
}

.main {
  padding: 30px;
  display: grid;
  align-content: start;
  gap: 24px;
}

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

.session-line {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.18;
}

h2 {
  font-size: 18px;
}

.button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--accent-strong);
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.button-secondary {
  border-color: var(--line);
  background: var(--panel);
  color: var(--text);
}

.button:disabled {
  opacity: 0.62;
  cursor: wait;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.context-bar {
  min-height: 64px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
}

.context-control {
  min-width: 220px;
  display: grid;
  gap: 5px;
}

.context-control span,
.helper-text {
  color: var(--muted);
  font-size: 13px;
}

.context-summary {
  display: grid;
  gap: 6px;
}

.context-summary span {
  color: var(--muted);
  font-size: 14px;
}

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

.metric-panel,
.work-surface {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-panel {
  min-height: 118px;
  padding: 18px;
  display: grid;
  align-content: space-between;
  gap: 10px;
}

.metric-label,
.metric-note {
  color: var(--muted);
  font-size: 13px;
}

.metric-panel strong {
  font-size: 22px;
}

.work-surface {
  padding: 22px;
  display: grid;
  gap: 22px;
}

.view-root {
  display: grid;
  gap: 24px;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
}

.management-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.42fr) minmax(0, 1fr);
  align-items: start;
  gap: 16px;
}

.config-screen {
  display: grid;
  gap: 16px;
}

.config-type-tabs {
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.config-type-tab {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.config-type-tab:hover,
.config-type-tab.is-active {
  border-color: #b9c8c3;
  background: var(--panel-soft);
  color: var(--text);
}

.config-type-tab.is-active {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.config-workspace {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(360px, 1.18fr) minmax(320px, 0.95fr);
  align-items: start;
  gap: 16px;
}

.config-workspace-unified {
  grid-template-columns: minmax(280px, 0.36fr) minmax(0, 1fr);
}

.config-pane {
  min-width: 0;
  min-height: 420px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  display: grid;
  align-content: start;
  gap: 16px;
}

.config-pane-head,
.config-main-head,
.config-head-actions,
.config-version-summary,
.config-main-status,
.config-detail-meta,
.config-section-head,
.config-actions {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.config-pane-head,
.config-main-head,
.config-section-head {
  justify-content: space-between;
}

.config-main-head {
  align-items: flex-start;
  padding-bottom: 2px;
}

.config-main-head h2 {
  margin: 2px 0 4px;
}

.config-eyebrow {
  margin: 0;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.config-main-status {
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 13px;
}

.config-pane-head p,
.config-main-head p,
.config-section-head p,
.config-version-copy small,
.config-list-row small,
.config-list-meta,
.config-readonly-line span,
.config-detail-meta {
  color: var(--muted);
  font-size: 13px;
}

.config-head-actions,
.config-main-status,
.config-actions {
  flex-wrap: wrap;
}

.config-subtabs {
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.config-subtab {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

.config-subtab:hover,
.config-subtab.is-active {
  border-color: #b9c8c3;
  background: #ffffff;
  color: var(--text);
}

.config-panel-section {
  display: grid;
  gap: 16px;
}

.config-main-pane .config-json-preview,
.config-main-pane textarea[data-json-field] {
  min-height: 420px;
}

.config-search {
  display: flex;
  gap: 8px;
}

.config-list,
.config-version-list {
  display: grid;
  gap: 8px;
}

.config-list-row,
.config-version-row {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.config-list-row {
  min-height: 76px;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.config-list-row strong,
.config-list-row small,
.config-version-copy strong,
.config-version-copy small {
  display: block;
}

.config-list-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.config-list-row:hover,
.config-version-row:hover,
.config-list-row.is-selected,
.config-version-row.is-selected {
  border-color: #9db3d8;
  background: #f7faff;
}

.config-list-row.is-selected,
.config-version-row.is-selected {
  box-shadow: inset 3px 0 0 var(--blue);
}

.config-version-summary {
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
}

.config-version-row {
  min-height: 72px;
  padding: 12px;
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.config-version-marker {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--warn);
}

.config-version-row.is-active .config-version-marker {
  background: var(--ok);
}

.config-version-row.is-archived .config-version-marker {
  background: #9aa7a2;
}

.config-inspector textarea {
  min-height: 260px;
}

.config-readonly-line {
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  display: grid;
  gap: 4px;
}

.config-note {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 13px;
}

.config-note strong {
  color: var(--text);
}

.config-detail {
  display: grid;
  gap: 16px;
}

.config-detail-meta {
  flex-wrap: wrap;
  align-items: center;
}

.config-json-preview {
  min-height: 280px;
  max-height: 520px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #101816;
  color: #dce9e4;
  font-size: 13px;
  line-height: 1.5;
}

.config-action-form {
  display: grid;
  gap: 4px;
}

.config-action-form .form-error:empty {
  display: none;
}

.surface-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.surface-head p {
  margin-top: 6px;
  color: var(--muted);
}

.pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.pill.is-ok {
  background: #ddf5e7;
  color: var(--ok);
}

.pill.is-error {
  background: #fdebe6;
  color: var(--danger);
}

.pill.is-partial {
  background: #fff7d8;
  color: var(--warn);
}

.pill.is-draft {
  background: var(--blue-soft);
  color: var(--blue);
}

.pill.is-muted {
  background: #eef1ef;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-row {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.timeline-row > span {
  width: 12px;
  height: 12px;
  margin-top: 4px;
  border-radius: 999px;
  background: #c8d4cf;
}

.timeline-row.is-done > span {
  background: var(--ok);
}

.timeline-row strong {
  display: block;
  margin-bottom: 3px;
}

.timeline-row p {
  color: var(--muted);
  font-size: 14px;
}

.response-box {
  min-height: 160px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #101816;
  color: #dce9e4;
  font-size: 13px;
  line-height: 1.55;
}

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

.quick-link {
  min-height: 88px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-soft);
  text-decoration: none;
  display: grid;
  align-content: space-between;
}

.quick-link:hover {
  border-color: #9db3d8;
  background: var(--blue-soft);
}

.quick-link strong,
.quick-link span {
  display: block;
}

.quick-link span {
  color: var(--muted);
  font-size: 13px;
}

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

.form-stack {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(36, 87, 166, 0.2);
  border-color: var(--blue);
}

textarea {
  min-height: 132px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.45;
}

.form-error {
  min-height: 18px;
  color: var(--danger);
  font-size: 13px;
}

.empty-state {
  min-height: 112px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: #fbfcfb;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #ffffff;
}

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

th {
  color: var(--muted);
  background: #f7f9f8;
  font-size: 12px;
  text-transform: uppercase;
}

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

.mini-json {
  max-width: 520px;
  max-height: 260px;
  margin: 8px 0 0;
  padding: 10px;
  overflow: auto;
  border-radius: 8px;
  background: #101816;
  color: #dce9e4;
  font-size: 12px;
  line-height: 1.45;
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    padding: 18px;
  }

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

  .main {
    padding: 20px;
  }

  .topbar,
  .surface-head,
  .context-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-grid,
  .split-grid,
  .management-grid,
  .config-workspace,
  .quick-grid {
    grid-template-columns: 1fr;
  }

  .config-pane {
    min-height: auto;
  }

  .config-type-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .config-type-tab {
    white-space: nowrap;
  }

  .config-pane-head,
  .config-main-head,
  .config-section-head,
  .config-search {
    align-items: stretch;
    flex-direction: column;
  }
}