:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-muted: #eef2f6;
  --surface-soft: #fafbfd;
  --ink: #0f172a;
  --muted: #526173;
  --line: #d5dce5;
  --accent: #f59e0b;
  --accent-soft: #fff4d8;
  --success: #0f9d58;
  --warning: #b45309;
  --danger: #c2410c;
  --blue: #2563eb;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 30%),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 28%),
    var(--bg);
}

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

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

button {
  cursor: pointer;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.login-body {
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-shell {
  width: min(720px, 100%);
}

.login-panel,
.panel,
.hero-panel,
.content-section,
.page-header,
.loading-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(213, 220, 229, 0.88);
  box-shadow: var(--shadow);
}

.login-panel {
  padding: 32px;
  border-radius: 20px;
}

.login-brand {
  font-size: 20px;
  font-weight: 700;
}

.login-copy h1,
.page-header h1,
.hero-copy h1 {
  margin: 8px 0 0;
  line-height: 1.04;
}

.login-copy h1 {
  font-size: clamp(34px, 5vw, 54px);
  max-width: 13ch;
}

.login-copy p,
.page-subtitle,
.body-copy,
.plain-list,
.resource-row-meta,
.resource-row-subtitle,
.mini-card-subtitle,
.activity-item-meta,
.editor-meta,
.search-result-meta,
.search-empty {
  color: var(--muted);
}

.login-copy p {
  max-width: 52ch;
  line-height: 1.65;
  margin: 18px 0 0;
}

.eyebrow {
  color: var(--warning);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-form {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.login-form label,
.field-label span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.login-form input,
.search-input,
.branch-select,
.file-editor,
.text-input,
.form-textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  color: var(--ink);
}

.login-form input,
.search-input,
.branch-select,
.text-input {
  min-height: 46px;
  padding: 0 14px;
}

.file-editor,
.form-textarea {
  min-height: 360px;
  padding: 16px;
  resize: vertical;
  line-height: 1.55;
}

.primary-button,
.secondary-button,
.danger-button,
.ghost-button,
.menu-button,
.menu-link,
.user-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: 140ms ease;
}

.primary-button {
  background: var(--ink);
  color: #fff;
}

.primary-button:hover,
.user-trigger:hover {
  background: #1e293b;
}

.wide {
  width: 100%;
}

.secondary-button,
.danger-button,
.ghost-button,
.menu-button,
.menu-link,
.user-trigger {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.secondary-button:hover,
.danger-button:hover,
.ghost-button:hover,
.menu-button:hover,
.menu-link:hover {
  background: var(--surface-soft);
  border-color: #bcc7d2;
}

.danger-button {
  background: #fff1f2;
  border-color: #fecdd3;
  color: #be123c;
}

.danger-button:hover {
  background: #ffe4e6;
  border-color: #fda4af;
}

.create-type-button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.ghost-button {
  color: var(--muted);
}

.app-body {
  padding: 22px;
}

.app-shell {
  width: min(1380px, 100%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 22px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid rgba(213, 220, 229, 0.92);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.brand-row,
.nav-links,
.toolbar,
.button-row,
.panel-head.between,
.meta-badge-row,
.files-layout,
.stats-grid,
.content-grid {
  display: flex;
}

.brand-row,
.toolbar,
.nav-links {
  align-items: center;
}

.brand-row {
  gap: 20px;
}

.brand-text-lockup {
  font-size: 20px;
  font-weight: 700;
}

.nav-links {
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a {
  min-height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
}

.nav-links a:hover,
.nav-links a.is-active {
  background: var(--surface-muted);
  color: var(--ink);
}

.toolbar {
  gap: 14px;
}

.search-shell {
  position: relative;
  width: min(34vw, 360px);
}

.search-results,
.user-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(440px, 100vw - 48px);
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid rgba(213, 220, 229, 0.96);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
}

.search-results {
  overflow: hidden;
}

.search-results.is-hidden,
.user-popover.is-hidden {
  display: none;
}

.is-hidden {
  display: none !important;
}

.search-group {
  padding: 10px;
  border-bottom: 1px solid var(--line);
}

.search-group:last-child {
  border-bottom: 0;
}

.search-group-label {
  padding: 4px 8px 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.search-result-row {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
}

.search-result-row:hover {
  background: var(--surface-muted);
}

.search-result-title {
  font-weight: 600;
}

.search-empty {
  padding: 14px;
}

.user-menu {
  position: relative;
}

.user-trigger {
  font-weight: 600;
}

.user-popover {
  padding: 10px;
}

.user-popover-header {
  padding: 10px 12px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.user-popover-title {
  font-weight: 700;
}

.user-popover-subtitle {
  color: var(--muted);
  margin-top: 4px;
}

.menu-link,
.menu-button {
  width: 100%;
  justify-content: flex-start;
  margin-top: 6px;
}

.flash-stack {
  position: fixed;
  top: 92px;
  right: 24px;
  z-index: 30;
  display: grid;
  gap: 10px;
}

.flash-message {
  min-width: 260px;
  max-width: 420px;
  padding: 12px 14px;
  border-radius: 10px;
  color: #fff;
  box-shadow: 0 16px 28px rgba(15, 23, 42, 0.14);
  transition: opacity 180ms ease;
}

.flash-message.is-fading {
  opacity: 0;
}

.tone-info {
  background: #1d4ed8;
}

.tone-success {
  background: var(--success);
}

.tone-warning {
  background: var(--warning);
}

.tone-danger {
  background: var(--danger);
}

.page-shell {
  margin-top: 18px;
  display: grid;
  gap: 18px;
}

.hero-panel,
.content-section,
.page-header,
.panel,
.loading-panel {
  border-radius: var(--radius-xl);
}

.hero-panel,
.content-section,
.page-header,
.panel {
  padding: 24px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
}

.hero-copy p,
.page-subtitle,
.body-copy,
.plain-list {
  margin: 12px 0 0;
  line-height: 1.6;
}

.meta-badge-row,
.button-row {
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.create-type-row {
  margin-top: 0;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 13px;
}

.meta-badge.accent {
  background: var(--accent-soft);
  border-color: #f6d48c;
  color: var(--warning);
}

.stats-grid {
  gap: 14px;
  flex-wrap: wrap;
}

.stats-grid.compact {
  margin-top: 18px;
}

.stat-card {
  flex: 1 1 180px;
  min-height: 110px;
  padding: 18px;
  border-radius: 12px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

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

.stat-value {
  margin-top: 12px;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
}

.section-head,
.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-head h2,
.panel-head h2,
.page-header h1 {
  font-size: clamp(26px, 3vw, 40px);
}

.section-head h2,
.panel-head h2,
.resource-row-title,
.mini-card-title,
.activity-item-title {
  margin: 0;
}

.section-head a {
  color: var(--blue);
  font-weight: 600;
}

.resource-list,
.activity-list,
.mini-grid,
.plain-list,
.detail-list,
.file-entry-list {
  display: grid;
  gap: 12px;
}

.resource-row,
.mini-card,
.activity-item,
.file-entry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 88px;
  padding: 18px;
  border-radius: 12px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.resource-row:hover,
.file-entry-row:hover,
.external-row:hover {
  background: #fff;
  border-color: #bcc7d2;
}

.resource-row-main,
.file-entry-main {
  min-width: 0;
}

.resource-row-title,
.file-entry-title {
  font-size: 18px;
  font-weight: 700;
}

.resource-row-subtitle,
.file-entry-meta,
.resource-row-meta,
.activity-item-meta,
.mini-card-subtitle,
.search-result-meta {
  margin-top: 6px;
  font-size: 14px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.section-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: -4px;
}

.section-tabs a {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
}

.section-tabs a.is-active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.content-grid {
  gap: 18px;
  flex-wrap: wrap;
}

.content-grid.two-up > *,
.stream-grid > * {
  flex: 1 1 320px;
}

.full-span {
  flex: 1 1 100%;
}

.stream-grid > * {
  min-height: 320px;
}

.files-grid > article {
  flex: 1 1 920px;
}

.files-grid > aside {
  flex: 0 1 360px;
}

.inline-notice,
.empty-state,
.error-banner {
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.inline-notice,
.empty-state {
  color: var(--muted);
}

.inline-notice.tone-warning {
  background: #fff7ed;
  border-color: #fed7aa;
  color: #9a3412;
}

.inline-notice.tone-neutral {
  background: var(--surface-muted);
}

.error-banner {
  margin-top: 18px;
  background: #fef2f2;
  border-color: #fecaca;
  color: #b91c1c;
}

.detail-list {
  margin: 0;
}

.detail-list div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.detail-list div:last-child {
  border-bottom: 0;
}

.detail-list dt {
  color: var(--muted);
  font-size: 14px;
}

.detail-list dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  word-break: break-all;
}

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

.mini-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.badge-grid,
.settings-link-list,
.settings-item-list {
  display: grid;
  gap: 12px;
}

.mini-card {
  display: block;
  min-height: 110px;
}

.settings-link-row,
.settings-item-card {
  display: block;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.settings-link-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.settings-link-row:hover {
  background: #fff;
  border-color: #bcc7d2;
}

.settings-link-arrow,
.settings-item-meta,
.form-help,
.panel-subtitle {
  color: var(--muted);
  font-size: 14px;
}

.settings-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.settings-item-title {
  font-weight: 700;
}

.settings-item-body {
  margin-top: 10px;
}

.settings-item-value {
  margin-top: 10px;
  word-break: break-word;
}

.body-copy.compact {
  margin-top: 0;
}

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

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

.action-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.create-panel .action-form {
  margin-top: 16px;
}

.form-textarea {
  min-height: 120px;
}

.form-help {
  margin: 0;
  line-height: 1.5;
}

.panel-subsection {
  margin-top: 18px;
}

.settings-subsection,
.space-config-editor {
  display: grid;
  gap: 12px;
}

.space-config-editor {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.settings-split-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

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

.panel-subtitle {
  font-weight: 600;
  margin-bottom: 10px;
}

.danger-panel {
  border-color: #fecdd3;
  background: linear-gradient(180deg, rgba(255, 241, 242, 0.92), rgba(255, 255, 255, 0.95));
}

.files-layout {
  margin-top: 18px;
  align-items: stretch;
  gap: 18px;
}

.files-column {
  flex: 0 0 320px;
  min-width: 0;
}

.files-column.wide {
  flex: 1 1 auto;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
  color: var(--muted);
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.breadcrumb-divider {
  opacity: 0.6;
}

.file-preview-wrap {
  display: grid;
  gap: 14px;
}

.editor-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}

.stream-output,
.file-content {
  margin: 0;
  min-height: 320px;
  padding: 18px;
  border-radius: 0;
  border: 0;
  background: #0b1220;
  color: #d8e2f0;
  overflow: auto;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.file-content {
  background: var(--surface-muted);
  color: var(--ink);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

.field-label {
  display: grid;
  gap: 6px;
}

.loading-panel {
  padding: 28px;
}

.console-panel {
  padding-bottom: 0;
  overflow: hidden;
}

.stream-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.stream-tab-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stream-tab-button {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 9px;
}

.stream-tab-button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.stream-caption,
.stream-panel-copy {
  color: var(--muted);
  font-size: 14px;
}

.stream-tab-panels {
  margin: 0 -24px;
  background: #0b1220;
}

.stream-tab-panel {
  display: none;
}

.stream-tab-panel.is-active {
  display: block;
}

.stream-panel-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px 0;
  color: #d8e2f0;
}

.stream-panel-title {
  font-weight: 700;
}

.loading-pill,
.loading-block {
  background: linear-gradient(90deg, #e8edf2 0%, #f4f7fb 45%, #e8edf2 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: 12px;
}

.loading-pill {
  width: 220px;
  height: 18px;
}

.loading-pill.short {
  width: 120px;
  margin-top: 10px;
}

.loading-block {
  width: 100%;
  height: 420px;
  margin-top: 18px;
}

@keyframes shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -200% 0;
  }
}

@media (max-width: 1180px) {
  .app-body {
    padding: 16px;
  }

  .topbar {
    position: static;
    display: block;
  }

  .toolbar,
  .nav-links {
    margin-top: 12px;
  }

  .search-shell {
    width: 100%;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .files-layout,
  .content-grid,
  .stats-grid {
    display: block;
  }

  .files-column + .files-column,
  .content-grid > * + *,
  .stats-grid > * + * {
    margin-top: 14px;
  }

  .panel-head,
  .section-head,
  .page-header {
    display: block;
  }

  .field-grid.two-col,
  .settings-item-top,
  .settings-link-row,
  .settings-subsection-head,
  .stream-toolbar,
  .stream-panel-meta {
    display: block;
  }

  .button-row,
  .meta-badge-row {
    margin-top: 14px;
  }

  .settings-split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .login-body,
  .app-body {
    padding: 12px;
  }

  .login-panel,
  .hero-panel,
  .page-header,
  .content-section,
  .panel,
  .loading-panel {
    padding: 18px;
    border-radius: 16px;
  }

  .brand-text-lockup {
    font-size: 18px;
  }

  .flash-stack {
    left: 12px;
    right: 12px;
    top: auto;
    bottom: 12px;
  }

  .flash-message {
    min-width: 0;
  }

  .stream-tab-panels {
    margin: 0 -18px;
  }

  .stream-panel-meta {
    padding: 16px 18px 0;
  }
}

/* Professional workspace relayout */

:root {
  --bg: #e7edf2;
  --surface: #ffffff;
  --surface-muted: #f2f5f8;
  --surface-soft: #f8fafc;
  --ink: #111827;
  --muted: #556273;
  --line: #c7d1dc;
  --line-strong: #9ba9b8;
  --accent: #a96d08;
  --accent-soft: #f5e4c1;
  --success: #0f6d48;
  --warning: #915e06;
  --danger: #aa3c2b;
  --blue: #2457a6;
  --shadow: 0 16px 38px rgba(17, 24, 39, 0.06);
  --radius-xl: 6px;
  --radius-lg: 5px;
  --radius-md: 4px;
  --radius-sm: 3px;
}

html,
body {
  font-family: "Aptos", "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", sans-serif;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)),
    linear-gradient(rgba(17, 24, 39, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, 0.03) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 32px 32px, 32px 32px, auto;
}

body {
  letter-spacing: 0.01em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(36, 87, 166, 0.42);
  outline-offset: 2px;
}

.mono,
.stream-output,
.file-editor,
.file-content {
  font-family: "Cascadia Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.login-panel,
.panel,
.hero-panel,
.content-section,
.page-header,
.loading-panel {
  border-radius: var(--radius-md);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 252, 0.96));
  box-shadow: var(--shadow);
}

.login-shell {
  width: min(860px, 100%);
}

.login-panel {
  display: grid;
  gap: 18px;
  padding: 36px;
  border-top: 5px solid var(--ink);
}

.login-copy h1 {
  font-size: clamp(30px, 4vw, 48px);
  max-width: 15ch;
}

.eyebrow {
  color: var(--blue);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-shell[data-page-kind="space"] .eyebrow,
.page-shell[data-page-kind="model"] .eyebrow,
.page-shell[data-page-kind="dataset"] .eyebrow,
.page-shell[data-page-kind="bucket"] .eyebrow {
  color: var(--accent);
}

.login-form input,
.search-input,
.branch-select,
.file-editor,
.text-input,
.form-textarea {
  border-color: var(--line-strong);
  border-radius: var(--radius-md);
  background: #fff;
}

.primary-button,
.secondary-button,
.danger-button,
.ghost-button,
.menu-button,
.menu-link,
.user-trigger {
  min-height: 44px;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.primary-button {
  background: #18212d;
}

.primary-button:hover,
.user-trigger:hover {
  background: #223041;
}

.secondary-button,
.danger-button,
.ghost-button,
.menu-button,
.menu-link,
.user-trigger {
  border-color: var(--line-strong);
  background: #fff;
}

.danger-button {
  background: #fff2f0;
  border-color: #e7b4aa;
  color: #a83d2d;
}

.create-type-button.is-active {
  background: #18212d;
  border-color: #18212d;
}

.app-body {
  padding: 18px;
}

.app-shell {
  width: min(1500px, 100%);
}

.topbar {
  top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: rgba(253, 254, 255, 0.98);
  backdrop-filter: none;
}

.brand-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.brand-text-lockup {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  gap: 0;
  flex-wrap: nowrap;
  overflow: auto;
  border: 1px solid var(--line);
  background: #edf2f7;
}

.nav-links a {
  min-height: 40px;
  padding: 0 16px;
  border-right: 1px solid var(--line);
  border-radius: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-links a:last-child {
  border-right: 0;
}

.nav-links a:hover,
.nav-links a.is-active {
  background: #fff;
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.toolbar {
  justify-self: end;
  gap: 12px;
}

.search-shell {
  width: min(34vw, 420px);
}

.search-results,
.user-popover {
  border-radius: var(--radius-md);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.search-result-row,
.menu-link,
.menu-button {
  border-radius: var(--radius-md);
}

.flash-stack {
  top: 88px;
}

.flash-message {
  border-radius: var(--radius-md);
}

.page-shell {
  margin-top: 16px;
  gap: 16px;
}

.hero-panel,
.content-section,
.page-header,
.panel,
.loading-panel {
  padding: 22px 24px;
}

.page-header {
  align-items: end;
  border-left: 4px solid var(--ink);
}

.page-shell[data-page-kind="settings"] .page-header,
.page-shell[data-page-kind="collection"] .page-header {
  border-left-color: var(--blue);
}

.page-shell[data-page-kind="space"] .page-header,
.page-shell[data-page-kind="model"] .page-header,
.page-shell[data-page-kind="dataset"] .page-header,
.page-shell[data-page-kind="bucket"] .page-header {
  border-left-color: var(--accent);
}

.hero-panel {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.95fr);
  gap: 18px;
  align-items: stretch;
  border-top: 4px solid var(--accent);
}

.page-header h1,
.hero-copy h1,
.section-head h2,
.panel-head h2 {
  letter-spacing: -0.02em;
}

.hero-copy p,
.page-subtitle,
.body-copy,
.plain-list {
  max-width: 72ch;
}

.meta-badge {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #f6f8fa;
}

.meta-badge.accent {
  border-color: #e6c78e;
}

.button-row,
.meta-badge-row {
  gap: 8px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.content-grid > * {
  min-width: 0;
  grid-column: 1 / -1;
}

.content-grid.two-up > * {
  grid-column: span 6;
}

.content-grid.two-up > :only-child,
.full-span {
  grid-column: 1 / -1;
}

.files-grid > article {
  grid-column: span 8;
}

.files-grid > aside {
  grid-column: span 4;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
}

.stats-grid.compact {
  margin-top: 16px;
}

.stat-card {
  min-height: 0;
  padding: 16px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
}

.stat-card:nth-child(2n) {
  border-top-color: var(--blue);
}

.stat-card:nth-child(3n) {
  border-top-color: var(--accent);
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-value {
  margin-top: 10px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
}

.page-shell[data-page-kind="space"][data-page-tab="app"] .stat-value,
.page-shell[data-page-kind="space"][data-page-tab="settings"] .stat-value {
  font-size: clamp(18px, 2vw, 26px);
}

.section-head,
.panel-head {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.panel-head.between {
  align-items: end;
}

.section-head a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.resource-list,
.activity-list,
.mini-grid,
.plain-list,
.detail-list,
.file-entry-list,
.badge-grid,
.settings-link-list,
.settings-item-list {
  gap: 10px;
}

.page-shell[data-page-kind="dashboard"] .resource-list,
.page-shell[data-page-kind="collection"] .resource-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resource-row,
.mini-card,
.activity-item,
.file-entry-row,
.settings-link-row,
.settings-item-card {
  border-radius: var(--radius-md);
  background: #fff;
  border-color: var(--line);
  box-shadow: none;
}

.resource-row,
.file-entry-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  min-height: 0;
  padding: 16px 18px;
}

.resource-row:hover,
.file-entry-row:hover,
.settings-link-row:hover,
.external-row:hover {
  background: #fff;
  border-color: var(--line-strong);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.resource-row-title,
.file-entry-title,
.activity-item-title {
  font-size: 17px;
}

.resource-row-subtitle,
.file-entry-meta,
.resource-row-meta,
.activity-item-meta,
.mini-card-subtitle,
.search-result-meta,
.settings-item-meta,
.settings-link-arrow,
.resource-row-updated {
  font-size: 13px;
}

.resource-row-side,
.file-entry-side,
.resource-row-updated,
.settings-link-arrow {
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.activity-item,
.settings-link-row {
  min-height: 0;
  padding: 16px 18px;
}

.settings-link-row {
  align-items: start;
}

.mini-card {
  min-height: 0;
  padding: 16px 18px;
}

.mini-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.badge-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.page-header,
.hero-panel,
.content-section {
  overflow: hidden;
}

.section-tabs {
  gap: 0;
  flex-wrap: nowrap;
  overflow: auto;
  margin-top: -2px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #edf2f7;
}

.section-tabs a {
  min-height: 42px;
  padding: 0 16px;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.section-tabs a:last-child {
  border-right: 0;
}

.section-tabs a.is-active {
  background: #fff;
  color: var(--ink);
  border-color: transparent;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.inline-notice,
.empty-state,
.error-banner {
  border-radius: var(--radius-md);
  border-left: 4px solid var(--line-strong);
  background: #f4f7fa;
}

.inline-notice.tone-warning {
  border-left-color: #d5a44d;
}

.error-banner {
  border-left-color: #d65a4c;
}

.detail-list div {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  align-items: start;
}

.detail-list dd {
  justify-self: end;
  text-align: right;
}

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

.settings-item-card {
  padding: 16px 18px;
}

.settings-item-value {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.field-grid.two-col,
.settings-split-grid {
  gap: 12px;
}

.danger-panel {
  border-left: 4px solid #d65a4c;
  border-top: 0;
}

.files-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.files-column {
  min-width: 0;
}

.breadcrumbs {
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f6f8fa;
}

.breadcrumb-divider {
  color: var(--line-strong);
}

.file-preview-wrap {
  gap: 12px;
}

.editor-meta {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f6f8fa;
}

.file-editor {
  min-height: 360px;
}

.file-content {
  min-height: 360px;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: #fff;
}

.console-panel {
  border-top: 4px solid #26374e;
  padding-bottom: 0;
}

.stream-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  padding: 14px 0 16px;
}

.stream-tab-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid #32455c;
  background: #142031;
}

.stream-tab-button {
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-right: 1px solid #32455c;
  border-radius: 0;
  background: transparent;
  color: #d8e1ec;
  justify-content: flex-start;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stream-tab-button:last-child {
  border-right: 0;
}

.stream-tab-button:hover {
  background: #1b2940;
  color: #fff;
}

.stream-tab-button.is-active {
  background: #21324b;
  border-color: #32455c;
  color: #fff;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.stream-caption,
.stream-panel-copy {
  font-size: 12px;
  letter-spacing: 0.04em;
}

.stream-caption {
  white-space: nowrap;
}

.stream-tab-panels {
  margin: 0 -24px;
  background: #0b1220;
}

.stream-panel-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 16px;
  align-items: end;
  padding: 16px 24px 12px;
  color: #d8e2f0;
  border-bottom: 1px solid #223043;
}

.stream-panel-title {
  color: #f8fbff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stream-panel-copy {
  justify-self: end;
  color: #98aac0;
  text-align: right;
}

.stream-output {
  min-height: 420px;
  padding: 18px 24px 24px 70px;
  background:
    linear-gradient(
      90deg,
      rgba(148, 163, 184, 0.08) 0,
      rgba(148, 163, 184, 0.08) 48px,
      rgba(61, 81, 109, 0.9) 48px,
      rgba(61, 81, 109, 0.9) 49px,
      transparent 49px
    ),
    repeating-linear-gradient(
      180deg,
      rgba(148, 163, 184, 0.08) 0,
      rgba(148, 163, 184, 0.08) 1px,
      transparent 1px,
      transparent 24px
    ),
    linear-gradient(180deg, #0d1522, #0a111b);
  color: #d8e2f0;
  font-size: 13px;
  line-height: 1.55;
  tab-size: 2;
}

.page-shell[data-page-tab="files"] .activity-list,
.page-shell[data-page-tab="community"] .activity-list {
  align-content: start;
}

@media (max-width: 1200px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .toolbar {
    justify-self: stretch;
  }

  .search-shell {
    width: 100%;
  }

  .content-grid.two-up > * {
    grid-column: 1 / -1;
  }

  .files-grid > article,
  .files-grid > aside {
    grid-column: 1 / -1;
  }

  .page-shell[data-page-kind="dashboard"] .resource-list,
  .page-shell[data-page-kind="collection"] .resource-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .hero-panel,
  .files-layout {
    grid-template-columns: 1fr;
  }

  .stream-toolbar {
    grid-template-columns: 1fr;
  }

  .stream-caption {
    white-space: normal;
  }

  .stream-panel-copy {
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 720px) {
  .app-body {
    padding: 12px;
  }

  .topbar,
  .login-panel,
  .hero-panel,
  .page-header,
  .content-section,
  .panel,
  .loading-panel {
    padding: 18px;
  }

  .brand-row {
    grid-template-columns: 1fr;
  }

  .nav-links {
    flex-wrap: wrap;
  }

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

  .section-tabs {
    flex-wrap: wrap;
  }

  .section-tabs a {
    flex: 1 1 48%;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats-grid,
  .mini-grid,
  .badge-grid,
  .page-shell[data-page-kind="dashboard"] .resource-list,
  .page-shell[data-page-kind="collection"] .resource-list {
    grid-template-columns: 1fr;
  }

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

  .stream-tab-panels {
    margin: 0 -18px;
  }

  .stream-panel-meta {
    grid-template-columns: 1fr;
    padding: 14px 18px 10px;
  }

  .stream-output {
    min-height: 320px;
    padding: 16px 18px 20px 60px;
  }

  .detail-list div {
    grid-template-columns: 1fr;
  }

  .detail-list dd {
    justify-self: start;
    text-align: left;
  }
}

/* Compact resource header, semantic badges, and theme controls */

.resource-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 16px;
  padding: 12px 16px;
  border-left-width: 0;
  border-top: 3px solid var(--accent);
}

.resource-header-main {
  display: flex;
  align-items: center;
  gap: 10px 14px;
  min-width: 0;
  flex-wrap: wrap;
}

.resource-header-label {
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.resource-header h1 {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.resource-header-updated {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.resource-status-row {
  margin-top: 0;
  margin-left: auto;
}

.resource-status-row .meta-badge,
.resource-header .meta-badge {
  min-height: 26px;
  padding: 0 9px;
}

.resource-tabs {
  margin-top: 0;
  justify-self: end;
  width: auto;
}

.resource-tabs a {
  min-height: 36px;
  padding: 0 14px;
  font-size: 13px;
}

.meta-badge.tone-green {
  background: #e8f7ee;
  border-color: #9fd7b3;
  color: #0d6c45;
}

.meta-badge.tone-blue {
  background: #e8f1ff;
  border-color: #9fc0ff;
  color: #1f4fa3;
}

.meta-badge.tone-amber {
  background: #fff7dd;
  border-color: #e8ca72;
  color: #986507;
}

.meta-badge.tone-cyan {
  background: #e6f6ff;
  border-color: #8cd1f7;
  color: #046c97;
}

.meta-badge.tone-orange {
  background: #fff0e0;
  border-color: #f0bf80;
  color: #a75d06;
}

.meta-badge.tone-slate {
  background: #eff3f7;
  border-color: #bcc7d2;
  color: #495a6d;
}

.meta-badge.tone-red {
  background: #ffeeee;
  border-color: #e8b1b1;
  color: #a43e3e;
}

.theme-setting-card {
  padding: 18px 20px;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.theme-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-switch-track {
  position: relative;
  display: inline-flex;
  width: 58px;
  height: 32px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #d6deea;
  transition: background 160ms ease, border-color 160ms ease;
}

.theme-switch-thumb {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
  transition: transform 160ms ease, background 160ms ease;
}

.theme-switch input:checked + .theme-switch-track {
  background: #22364f;
  border-color: #3d5e86;
}

.theme-switch input:checked + .theme-switch-track .theme-switch-thumb {
  transform: translateX(26px);
}

.theme-switch-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d131a;
  --surface: #111923;
  --surface-muted: #182230;
  --surface-soft: #151e29;
  --ink: #e7edf5;
  --muted: #9fb0c4;
  --line: #2e3b4c;
  --line-strong: #43556a;
  --accent: #d6a241;
  --accent-soft: #41331d;
  --success: #22a66f;
  --warning: #d0a337;
  --danger: #d56c6c;
  --blue: #69a9ff;
  --shadow: 0 20px 42px rgba(0, 0, 0, 0.34);
}

:root[data-theme="dark"],
:root[data-theme="dark"] body {
  background:
    linear-gradient(180deg, rgba(8, 12, 17, 0.9), rgba(8, 12, 17, 0.9)),
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 32px 32px, 32px 32px, auto;
  color: var(--ink);
}

:root[data-theme="dark"] .login-panel,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .hero-panel,
:root[data-theme="dark"] .content-section,
:root[data-theme="dark"] .page-header,
:root[data-theme="dark"] .loading-panel,
:root[data-theme="dark"] .search-results,
:root[data-theme="dark"] .user-popover,
:root[data-theme="dark"] .resource-row,
:root[data-theme="dark"] .mini-card,
:root[data-theme="dark"] .activity-item,
:root[data-theme="dark"] .file-entry-row,
:root[data-theme="dark"] .settings-link-row,
:root[data-theme="dark"] .settings-item-card,
:root[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .file-content {
  background: linear-gradient(180deg, rgba(20, 28, 38, 0.98), rgba(16, 23, 33, 0.96));
  border-color: var(--line);
  color: var(--ink);
}

:root[data-theme="dark"] .topbar,
:root[data-theme="dark"] .nav-links,
:root[data-theme="dark"] .section-tabs,
:root[data-theme="dark"] .breadcrumbs,
:root[data-theme="dark"] .editor-meta,
:root[data-theme="dark"] .stream-tab-row {
  background: #0f1722;
  border-color: var(--line-strong);
}

:root[data-theme="dark"] .login-form input,
:root[data-theme="dark"] .search-input,
:root[data-theme="dark"] .branch-select,
:root[data-theme="dark"] .file-editor,
:root[data-theme="dark"] .text-input,
:root[data-theme="dark"] .form-textarea {
  background: #0d1520;
  border-color: var(--line-strong);
  color: var(--ink);
}

:root[data-theme="dark"] .secondary-button,
:root[data-theme="dark"] .danger-button,
:root[data-theme="dark"] .ghost-button,
:root[data-theme="dark"] .menu-button,
:root[data-theme="dark"] .menu-link,
:root[data-theme="dark"] .user-trigger {
  background: #111a25;
  border-color: var(--line-strong);
  color: var(--ink);
}

:root[data-theme="dark"] .secondary-button:hover,
:root[data-theme="dark"] .danger-button:hover,
:root[data-theme="dark"] .ghost-button:hover,
:root[data-theme="dark"] .menu-button:hover,
:root[data-theme="dark"] .menu-link:hover,
:root[data-theme="dark"] .settings-link-row:hover,
:root[data-theme="dark"] .resource-row:hover,
:root[data-theme="dark"] .file-entry-row:hover,
:root[data-theme="dark"] .external-row:hover {
  background: #182433;
  border-color: #55708c;
  box-shadow: inset 0 0 0 1px #55708c;
}

:root[data-theme="dark"] .primary-button {
  background: #2a4669;
  color: #f8fbff;
}

:root[data-theme="dark"] .primary-button:hover,
:root[data-theme="dark"] .user-trigger:hover {
  background: #33547c;
}

:root[data-theme="dark"] .danger-button {
  background: #311c1d;
  border-color: #7f4b4f;
  color: #f2b2b4;
}

:root[data-theme="dark"] .nav-links a,
:root[data-theme="dark"] .section-tabs a {
  color: var(--muted);
  border-color: var(--line);
}

:root[data-theme="dark"] .nav-links a:hover,
:root[data-theme="dark"] .nav-links a.is-active,
:root[data-theme="dark"] .section-tabs a:hover,
:root[data-theme="dark"] .section-tabs a.is-active {
  background: #182332;
  color: var(--ink);
}

:root[data-theme="dark"] .inline-notice,
:root[data-theme="dark"] .empty-state,
:root[data-theme="dark"] .error-banner {
  background: #121b27;
  border-color: var(--line-strong);
  color: var(--muted);
}

:root[data-theme="dark"] .meta-badge {
  background: #15202d;
  border-color: var(--line);
  color: var(--ink);
}

:root[data-theme="dark"] .meta-badge.tone-green {
  background: #133223;
  border-color: #2d8058;
  color: #84dfb5;
}

:root[data-theme="dark"] .meta-badge.tone-blue {
  background: #14263d;
  border-color: #3d6ea8;
  color: #8cbcff;
}

:root[data-theme="dark"] .meta-badge.tone-amber {
  background: #332812;
  border-color: #8f7428;
  color: #f1d47a;
}

:root[data-theme="dark"] .meta-badge.tone-cyan {
  background: #112d36;
  border-color: #3f8ca5;
  color: #8fdaf1;
}

:root[data-theme="dark"] .meta-badge.tone-orange {
  background: #352313;
  border-color: #9b6b33;
  color: #f0bc78;
}

:root[data-theme="dark"] .meta-badge.tone-slate {
  background: #182230;
  border-color: #4c6076;
  color: #bcc9d9;
}

:root[data-theme="dark"] .meta-badge.tone-red {
  background: #341c1f;
  border-color: #91545a;
  color: #f0afb7;
}

:root[data-theme="dark"] .theme-switch-track {
  background: #223244;
  border-color: #4f6882;
}

:root[data-theme="dark"] .theme-switch-thumb {
  background: #e8eef6;
}

@media (max-width: 1180px) {
  .resource-header {
    grid-template-columns: 1fr;
  }

  .resource-status-row {
    margin-left: 0;
  }

  .resource-tabs {
    justify-self: stretch;
    width: 100%;
  }
}

@media (max-width: 720px) {
  .resource-header {
    padding: 12px 14px;
  }

  .resource-header-main {
    align-items: flex-start;
  }

  .resource-header h1 {
    white-space: normal;
  }

  .resource-header-updated,
  .resource-status-row {
    width: 100%;
  }

  .resource-status-row {
    margin-left: 0;
  }

  .theme-switch {
    width: 100%;
    justify-content: space-between;
  }
}