html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #11141a;
  --bg-elevated: #161b22;
  --panel: #171d25;
  --panel-muted: #11161d;
  --panel-strong: #202835;
  --border: #2a3341;
  --border-strong: #3a4759;
  --text: #e6ebf2;
  --muted: #9aa6b6;
  --accent: #8bb8ff;
  --accent-soft: rgba(139, 184, 255, 0.14);
  --success: #7bc59a;
  --warning: #d7b26d;
  --danger: #e09a9a;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.2);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2f6;
  --bg-elevated: #f6f8fb;
  --panel: #fbfcfe;
  --panel-muted: #f3f6fa;
  --panel-strong: #e9eef5;
  --border: #d7dde7;
  --border-strong: #c2cddd;
  --text: #162031;
  --muted: #5f6f84;
  --accent: #3667d6;
  --accent-soft: rgba(54, 103, 214, 0.1);
  --success: #237a4b;
  --warning: #946400;
  --danger: #af3a3a;
  --shadow: 0 16px 36px rgba(18, 30, 46, 0.08);
}

:root {
  --radius: 16px;
  --radius-sm: 12px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
  color: var(--text);
  font-family: var(--font);
}

body.has-modal {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.topbar__brand,
.topbar__context,
.section-head,
.editor-toolbar,
.toolbar-tabs,
.toolbar-actions,
.bottom-tabs,
.export-box,
.export-actions,
.connection-card__head,
.connection-card__meta,
.status-shortcuts {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar__brand h1,
.section-head h2,
.panel-section h2 {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.topbar__copy {
  margin: 8px 0 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, var(--accent) 36%, var(--border));
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.topbar__context {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.workflow-strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: start;
  padding: 16px 18px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.workflow-strip h2 {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.workflow-step {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}

.workflow-step:hover,
.workflow-step:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  outline: none;
}

.workflow-step.is-active {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: var(--accent-soft);
}

.workflow-step span,
.workflow-copy {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.workflow-copy {
  grid-column: 2;
  margin: 0;
}

.summary-card {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.summary-card strong {
  display: block;
  margin-top: 6px;
  font-size: 15px;
}

.summary-card p,
.summary-card__label,
.pill-label,
.result-summary span {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.workspace {
  display: grid;
  grid-template-columns: 280px minmax(640px, 1fr) 280px;
  gap: 16px;
  min-height: calc(100vh - 222px);
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

[data-review-panel] {
  transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

[data-review-panel].is-review-focus {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent), var(--shadow);
}

.panel-section.is-review-focus,
.bottom-panel.is-review-focus {
  background: color-mix(in srgb, var(--accent-soft) 48%, var(--panel));
}

.panel--nav,
.panel--side {
  display: flex;
  flex-direction: column;
}

.panel--main {
  display: grid;
  grid-template-rows: auto auto minmax(260px, 1fr) auto minmax(280px, 0.92fr) auto;
}

.panel-section,
.editor-toolbar,
.context-strip,
.execution-banner,
.bottom-panel,
.status-bar {
  padding: 18px;
}

.panel-section + .panel-section {
  border-top: 1px solid var(--border);
}

.connection-pill,
.pill,
.ghost-button,
.action-button,
.toolbar-tab,
.bottom-tab,
.search-field,
.info-card,
.log-row,
.problem-box,
.summary-card,
.result-summary {
  border: 1px solid var(--border);
  border-radius: 14px;
}

.ghost-button,
.action-button,
.toolbar-tab,
.bottom-tab {
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease, transform 120ms ease;
}

.ghost-button,
.toolbar-tab,
.bottom-tab,
.search-field {
  padding: 8px 12px;
  background: var(--panel-muted);
  color: var(--muted);
}

.ghost-button:hover,
.action-button:hover,
.toolbar-tab:hover,
.bottom-tab:hover,
.connection-card:hover,
.tree-item:hover {
  border-color: var(--border-strong);
}

.ghost-button:disabled,
.action-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.ghost-button--small {
  padding: 6px 10px;
}

.action-button {
  padding: 9px 13px;
  background: var(--panel-strong);
  color: var(--text);
}

.action-button--primary {
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border));
  background: var(--accent-soft);
  color: var(--text);
}

.connection-pill,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--panel-muted);
}

.pill--success {
  color: var(--success);
}

.pill--muted {
  color: var(--muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--muted);
}

.status-dot--ok {
  background: var(--success);
}

.connection-list,
.tree,
.detail-list,
.focus-list,
.log-list {
  display: grid;
  gap: 10px;
}

.connection-card {
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
  color: inherit;
  text-align: left;
}

.connection-card p,
.export-box p,
.problem-box p,
.focus-list,
.detail-list span,
.info-card span,
.log-row span {
  margin: 4px 0 0;
  color: var(--muted);
}

.connection-card__head,
.connection-card__meta {
  justify-content: space-between;
}

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

.connection-card.is-active {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: var(--accent-soft);
}

.search-field {
  display: grid;
  gap: 8px;
  border-radius: var(--radius-sm);
}

.search-field input {
  width: 100%;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
}

.tree-group {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
}

.tree-group[hidden],
.tree-item[hidden] {
  display: none;
}

.tree summary {
  cursor: pointer;
  font-weight: 600;
}

.tree-item {
  display: grid;
  gap: 4px;
  width: 100%;
  margin-top: 10px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: inherit;
  text-align: left;
}

.tree-item span {
  color: var(--muted);
  font-size: 12px;
}

.tree-item.is-selected {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: var(--accent-soft);
}

.context-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--panel-muted);
}

.context-strip div {
  min-width: 0;
}

.context-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.context-strip strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor {
  display: grid;
  grid-template-columns: 52px 1fr;
  border-bottom: 1px solid var(--border);
  background: var(--panel-muted);
}

.editor-gutter,
.editor-code {
  padding: 18px 16px;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
}

.editor-gutter {
  color: var(--muted);
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-muted) 82%, black 18%);
}

.editor-gutter span {
  display: block;
}

.editor-code {
  color: var(--text);
  overflow: auto;
}

.execution-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--success) 10%, var(--panel));
}

.execution-banner.is-running {
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
}

.execution-banner.is-empty {
  background: color-mix(in srgb, var(--warning) 10%, var(--panel));
}

.execution-banner.is-error {
  background: color-mix(in srgb, var(--danger) 12%, var(--panel));
}

.execution-banner.is-exported {
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
}

.banner-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(88px, 1fr));
  gap: 12px;
}

.banner-metrics div,
.detail-list div,
.info-card {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(15, 18, 24, 0.7);
}

.banner-metrics span,
.detail-list span,
.info-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.bottom-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
}

.result-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 12px 14px;
  background: var(--panel-muted);
}

.result-summary strong {
  font-size: 13px;
}

.toolbar-tab.is-active,
.bottom-tab.is-active {
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border));
  background: var(--accent-soft);
  color: var(--text);
}

.tab-content {
  display: none;
}

.tab-content.is-active {
  display: block;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 600;
  background: var(--panel-strong);
}

.log-row,
.export-box,
.problem-box,
.contract-card {
  padding: 16px;
  background: var(--panel-muted);
  border-radius: var(--radius-sm);
}

.contract-card {
  display: grid;
  gap: 14px;
}

.contract-preview {
  margin: 0;
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--panel-muted) 74%, black 26%);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
}

.focus-list {
  padding-left: 18px;
}

.focus-list li + li {
  margin-top: 10px;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.status-shortcuts {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.command-palette {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.command-palette__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(9, 12, 18, 0.48);
  backdrop-filter: blur(8px);
}

.command-dialog {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100vw - 32px));
  margin: 56px auto;
  padding: 20px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.command-dialog__head,
.command-grid,
.command-list {
  display: grid;
  gap: 14px;
}

.command-dialog__head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-bottom: 16px;
}

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

.command-section {
  min-width: 0;
}

.command-item {
  display: grid;
  gap: 6px;
  width: 100%;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-muted);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
}

.command-item:hover,
.command-item:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 36%, var(--border));
  background: var(--accent-soft);
  outline: none;
}

.command-item span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 1440px) {
  .workspace-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-strip {
    grid-template-columns: 1fr;
  }

  .workflow-copy {
    grid-column: auto;
  }

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

  .workspace {
    grid-template-columns: 250px minmax(520px, 1fr) 250px;
  }
}

@media (max-width: 1100px) {
  .topbar,
  .status-bar,
  .result-summary,
  .context-strip,
  .workspace-summary,
  .workflow-steps {
    grid-template-columns: 1fr;
  }

  .topbar,
  .status-bar,
  .result-summary {
    display: grid;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .command-grid {
    grid-template-columns: 1fr;
  }

  .panel--main {
    order: 1;
  }

  .panel--nav {
    order: 2;
  }

  .panel--side {
    order: 3;
  }
}