:root {
  color-scheme: light;

  /* Surfaces */
  --bg: #eef1f5;
  --bg-accent: #e7ecf1;
  --panel: #ffffff;
  --panel-subtle: #f5f8fb;
  --panel-strong: #eef2f6;
  --surface-soft: #f2f7f6;
  --overlay: rgba(24, 34, 47, 0.42);
  --topbar-bg: rgba(255, 255, 255, 0.86);

  /* Lines */
  --line: #e5eaf0;
  --line-strong: #d3dce4;

  /* Text */
  --heading: #253040;
  --text: #333f4d;
  --text-soft: #45525f;
  --muted: #6d7885;
  --muted-2: #9aa4b1;

  /* Brand */
  --brand: #1f7d6f;
  --brand-strong: #196155;
  --brand-2: #3a6cae;
  --brand-tint: #e8f4f0;
  --brand-tint-border: #c8e2db;
  --brand-tint-text: #235d53;

  /* Semantic */
  --good: #1f8a57;
  --good-tint: #eaf6ef;
  --good-border: #c1e1cf;
  --warn: #a86a12;
  --warn-tint: #fcf4e4;
  --warn-border: #e7d09e;
  --danger: #c0392b;
  --danger-tint: #fcefec;
  --danger-border: #eecac3;
  --danger-text: #8f2f27;

  /* Accent (collectibles / craft) */
  --purple: #6a4fa3;
  --purple-tint: #f4effb;
  --purple-border: #dcd0f0;
  --purple-text: #5a4590;

  /* Inputs & controls */
  --input-bg: #ffffff;
  --btn-bg: #ffffff;
  --btn-text: #29323d;
  --btn-hover: #f4f7fa;
  --switch-track: #c8d0d6;

  /* Code / JSON blocks */
  --code-bg: #1b2733;
  --code-text: #d6e3ef;
  --code-border: #2b3a49;

  /* Sidebar */
  --sidebar: #1c2530;
  --sidebar-soft: #26313d;
  --sidebar-line: #313c4a;
  --sidebar-row: #232d38;
  --sidebar-text: #dbe3ec;
  --sidebar-muted: #8b98a8;
  --sidebar-faint: #7c8a9a;
  --sidebar-heading: #ffffff;

  /* Effects */
  --focus: rgba(31, 125, 111, 0.16);
  --shadow: 0 12px 34px rgba(24, 39, 56, 0.1);
  --shadow-sm: 0 2px 10px rgba(24, 39, 56, 0.05);
  --shadow-brand: 0 8px 22px rgba(31, 125, 111, 0.22);

  /* Radii */
  --radius-xs: 8px;
  --radius-sm: 9px;
  --radius: 11px;
  --radius-lg: 14px;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0f141a;
  --bg-accent: #131a22;
  --panel: #171f28;
  --panel-subtle: #1c2530;
  --panel-strong: #212c38;
  --surface-soft: #1a232d;
  --overlay: rgba(5, 8, 12, 0.62);
  --topbar-bg: rgba(21, 28, 36, 0.86);

  --line: #29333f;
  --line-strong: #38434f;

  --heading: #eef3f8;
  --text: #d5dde6;
  --text-soft: #c2ccd6;
  --muted: #98a4b1;
  --muted-2: #6d7885;

  --brand: #37a596;
  --brand-strong: #45b6a6;
  --brand-2: #6fa8e6;
  --brand-tint: #14322d;
  --brand-tint-border: #245349;
  --brand-tint-text: #7fd3c4;

  --good: #47c281;
  --good-tint: #12301f;
  --good-border: #245639;
  --warn: #e0aa4d;
  --warn-tint: #322810;
  --warn-border: #574413;
  --danger: #e6695c;
  --danger-tint: #35201d;
  --danger-border: #5c332d;
  --danger-text: #f0a49b;

  --purple: #ac90e2;
  --purple-tint: #221b31;
  --purple-border: #3d3357;
  --purple-text: #c9b6ef;

  --input-bg: #131a22;
  --btn-bg: #1e2731;
  --btn-text: #dbe2ea;
  --btn-hover: #26313d;
  --switch-track: #3a454f;

  --code-bg: #0c1218;
  --code-text: #cdd9e5;
  --code-border: #232f3b;

  --sidebar: #10151b;
  --sidebar-soft: #1c242f;
  --sidebar-line: #262f3a;
  --sidebar-row: #161d25;
  --sidebar-text: #cbd4de;
  --sidebar-muted: #7c8794;
  --sidebar-faint: #6f7b88;
  --sidebar-heading: #f0f4f8;

  --focus: rgba(55, 165, 150, 0.24);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.46);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.38);
  --shadow-brand: 0 8px 22px rgba(55, 165, 150, 0.26);
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font: 13px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 200ms ease, color 200ms ease;
}

button,
input,
textarea {
  font: inherit;
}

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

.shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 232px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  height: 100vh;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  padding: 18px 12px;
  color: var(--sidebar-text);
  background: var(--sidebar);
  border-right: 1px solid var(--sidebar-line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 4px;
}

.brand.compact {
  justify-content: center;
}

.brand-elevated .brand-mark {
  box-shadow: var(--shadow-brand);
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #ffffff;
  background: var(--brand);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 14px;
  line-height: 1.1;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--sidebar-muted);
  font-size: 11px;
}

.sidebar-label {
  padding: 0 8px;
  color: var(--sidebar-faint);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

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

.nav-section-toggle {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 16px;
  width: 100%;
  min-height: 38px;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  color: var(--sidebar-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  text-align: left;
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.nav-section-toggle:hover,
.nav-section.active .nav-section-toggle {
  color: var(--sidebar-heading);
  background: var(--sidebar-soft);
  border-color: var(--sidebar-line);
}

.nav-section-chevron {
  justify-self: end;
  color: var(--sidebar-muted);
  transition: transform 140ms ease;
}

.nav-section.open .nav-section-chevron {
  transform: rotate(180deg);
}

.nav-children {
  display: grid;
  gap: 4px;
  padding: 2px 0 2px 18px;
}

.nav-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  min-height: 38px;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  color: var(--sidebar-text);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: color 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.nav-dot {
  width: 6px;
  height: 6px;
  justify-self: center;
  background: var(--sidebar-faint);
  border-radius: 999px;
}

.nav-item:hover,
.nav-item.active {
  color: var(--sidebar-heading);
  background: var(--sidebar-soft);
  border-color: var(--sidebar-line);
}

.nav-item.active .nav-dot {
  background: var(--brand);
}

.sidebar-status {
  display: grid;
  gap: 7px;
  margin-top: auto;
}

.runtime-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  min-height: 32px;
  align-items: center;
  gap: 7px;
  padding: 0 8px;
  color: var(--sidebar-text);
  background: var(--sidebar-row);
  border: 1px solid var(--sidebar-line);
  border-radius: var(--radius-sm);
}

.runtime-row strong {
  color: var(--sidebar-heading);
  font-size: 11px;
}

.workspace {
  min-width: 0;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 24px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.topbar h1 {
  margin: 2px 0 0;
  color: var(--heading);
  font-size: 20px;
  line-height: 1.2;
}

.topbar-actions,
.page-actions,
.section-action,
.entity-badges,
.row-actions,
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.language-switch {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 2px;
  background: var(--panel-subtle);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.language-switch button {
  min-width: 42px;
  min-height: 24px;
  padding: 0 9px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  transition: color 140ms ease, background-color 140ms ease;
}

.language-switch button.active {
  color: #ffffff;
  background: var(--brand);
}

.language-switch button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.theme-toggle {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--muted);
  background: var(--panel-subtle);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.theme-toggle:hover {
  color: var(--brand);
  border-color: var(--brand-tint-border);
  background: var(--brand-tint);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.actor-pill {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  color: var(--text-soft);
  background: var(--panel-subtle);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.content {
  display: grid;
  gap: 16px;
  padding: 18px 24px 30px;
}

.eyebrow {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}