:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --surface-soft: #f7f8fa;
  --surface-glass: rgba(255, 255, 255, 0.9);
  --surface-overlay-light: rgba(255, 255, 255, 0.98);
  --surface-overlay-dark: rgba(18, 32, 45, 0.96);
  --line: #d8dde3;
  --line-strong: #d5dde6;
  --line-accent-soft: rgba(14, 90, 167, 0.22);
  --text: #18212b;
  --muted: #66717d;
  --accent: #0e5aa7;
  --accent-soft: #dce9f7;
  --accent-overlay: rgba(14, 90, 167, 0.92);
  --surface-accent-soft: #f7fbff;
  --surface-hero-accent: rgba(14, 90, 167, 0.12);
  --surface-hero-top: #f8fafc;
  --surface-hero-bottom: #edf3f8;
  --text-inverse: #ffffff;
  --sidebar-bg: #172534;
  --sidebar-text: #f5f7fa;
  --sidebar-muted: #8ca0af;
  --success: #2f6f44;
  --warning: #9a6a1a;
  --danger: #a43c3c;
  --dev-interaction-outline: rgba(14, 90, 167, 0.45);
  --dev-unknown-interaction-outline: rgba(255, 153, 0, 0.88);
  --dev-unknown-surface-outline: rgba(255, 0, 153, 0.82);
  --dev-unknown-surface-bg: rgba(255, 0, 153, 0.92);
  --dev-unknown-interaction-bg: rgba(255, 153, 0, 0.96);
  --dev-interaction-label-bg: rgba(14, 90, 167, 0.92);
  --elevation-0: none;
  --elevation-1: 0 10px 30px rgba(17, 24, 39, 0.08);
  --elevation-2: 0 12px 32px rgba(18, 32, 45, 0.14);
  --elevation-3: 0 8px 24px rgba(18, 32, 45, 0.24);
  --shadow: var(--elevation-1);
  --radius-xs: 10px;
  --radius-sm: 12px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --radius: var(--radius-md);
  --space-1: 8px;
  --space-2: 10px;
  --space-3: 12px;
  --space-4: 14px;
  --space-5: 16px;
  --space-6: 18px;
  --space-7: 20px;
  --space-8: 24px;
  --space-9: 28px;
  --gap: var(--space-7);
  --panel-gap: var(--space-7);
  --panel-padding-x: var(--space-7);
  --panel-padding-y: var(--space-6);
  --panel-header-gap: var(--space-3);
  --panel-header-padding-bottom: var(--space-4);
  --panel-body-gap: var(--space-5);
  --section-gap: var(--space-4);
  --section-padding-x: var(--space-4);
  --section-padding-y: var(--space-4);
  --section-header-gap: var(--space-2);
  --section-header-padding-bottom: var(--space-3);
  --section-body-gap: var(--space-3);
  --section-shadow: var(--elevation-0);
  --sidebar-width: 248px;
  --topbar-height: 68px;
  --topbar-blur: 12px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

body.is-dev-mode {
  --dev-outline: rgba(196, 76, 0, 0.45);
  --dev-label-bg: rgba(18, 32, 45, 0.92);
  --dev-label-text: #f5f7fa;
}

body.is-dev-dark {
  --bg: #10151b;
  --surface: #18212b;
  --surface-soft: #1e2935;
  --surface-glass: rgba(24, 33, 43, 0.92);
  --surface-overlay-light: rgba(30, 41, 53, 0.98);
  --surface-overlay-dark: rgba(6, 11, 16, 0.96);
  --line: #304050;
  --line-strong: #3a4d60;
  --line-accent-soft: rgba(120, 184, 255, 0.28);
  --text: #edf2f7;
  --muted: #9eb0c1;
  --accent: #78b8ff;
  --accent-soft: rgba(120, 184, 255, 0.16);
  --accent-overlay: rgba(120, 184, 255, 0.92);
  --surface-accent-soft: rgba(120, 184, 255, 0.1);
  --surface-hero-accent: rgba(120, 184, 255, 0.16);
  --surface-hero-top: #18212b;
  --surface-hero-bottom: #1e2935;
  --text-inverse: #08111a;
  --sidebar-bg: #0c1219;
  --sidebar-text: #edf2f7;
  --sidebar-muted: #90a4b8;
  --success: #65b782;
  --warning: #e1b45c;
  --danger: #ef8b8b;
  --dev-interaction-outline: rgba(120, 184, 255, 0.45);
  --dev-unknown-interaction-outline: rgba(255, 153, 0, 0.88);
  --dev-unknown-surface-outline: rgba(255, 0, 153, 0.82);
  --dev-unknown-surface-bg: rgba(255, 0, 153, 0.92);
  --dev-unknown-interaction-bg: rgba(255, 153, 0, 0.96);
  --dev-interaction-label-bg: rgba(120, 184, 255, 0.92);
  --elevation-1: 0 10px 24px rgba(255, 36, 166, 0.28);
  --elevation-2: 0 12px 28px rgba(255, 36, 166, 0.38);
  --elevation-3: 0 8px 22px rgba(255, 36, 166, 0.5);
  --shadow: var(--elevation-1);
  --radius-xs: 0px;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;
  --radius: 0px;
}

button,
select,
input {
  font: inherit;
}

button {
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-5);
  cursor: pointer;
  background: var(--surface-soft);
  color: var(--text);
}

button:hover {
  filter: brightness(0.98);
}

.button-primary {
  background: var(--accent);
  color: var(--text-inverse);
}

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

.button-quiet {
  padding-inline: 10px;
  background: transparent;
  color: var(--muted);
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-8);
}

.login-card {
  width: min(460px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-9);
}

.login-error {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--accent);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-card .eyebrow {
  text-transform: none;
}

.login-card h1,
.page-header h1,
.module-header h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.15;
}

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

.support-note {
  margin: 0;
}

.field + .support-note,
.inline-actions + .support-note,
.support-note + .field,
.support-note + .inline-actions,
.support-note + .support-note {
  margin-top: var(--space-2);
}

.eyebrow-platform {
  color: var(--sidebar-muted);
}

.stack {
  display: grid;
  gap: 14px;
}

.mt-10 {
  margin-top: var(--space-2);
}

.mt-12 {
  margin-top: var(--space-3);
}

.mt-14 {
  margin-top: var(--space-4);
}

.mt-18 {
  margin-top: var(--space-6);
}

.mt-20 {
  margin-top: var(--space-7);
}

.mt-24 {
  margin-top: var(--space-8);
}

.is-block-label {
  display: block;
  margin-bottom: var(--space-1);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 14px;
  color: var(--muted);
}

.field input,
.field select,
.fake-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: var(--space-2) var(--space-3);
}

.file-upload-control {
  display: grid;
  gap: var(--space-2);
}

.file-input-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  grid-template-rows: var(--topbar-height) minmax(0, 1fr) auto;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main"
    "sidebar footer";
  overflow: hidden;
}

.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(var(--topbar-blur));
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo,
.module-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.module-icon {
  overflow: hidden;
  flex: 0 0 auto;
  border: none;
  background: transparent;
  color: var(--accent);
}

.module-icon.has-image {
  padding: 0;
  background: transparent;
  position: relative;
}

.module-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.module-icon-fallback {
  display: none;
}

.module-icon.has-image.is-fallback .module-icon-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.module-icon.is-large {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
}

.module-icon.is-start {
  width: 128px;
  height: 128px;
  margin: 0;
}

.module-icon.is-project {
  width: 28px;
  height: 28px;
}

.module-card .module-icon,
.hero-visual .module-icon {
  width: 64px;
  height: 64px;
}

.module-icon.is-card {
  width: 128px;
  height: 128px;
}

.module-icon.is-header-start {
  width: 128px;
  height: 128px;
}

.brand-logo.is-empty {
  visibility: hidden;
}

.context-pill,
.role-pill,
.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}

.context-pill.is-strong,
.meta-pill.is-strong {
  background: var(--accent-soft);
  border-color: var(--line-accent-soft);
  color: var(--accent);
}

.sidebar {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 22px 18px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  min-height: 0;
  overflow-y: auto;
}

.sidebar h2 {
  margin: 0;
  font-size: 18px;
}

.sidebar-group {
  display: grid;
  gap: 8px;
}

.sidebar-footnote {
  margin-top: auto;
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: var(--sidebar-muted);
}

.nav-button {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  border-radius: var(--radius-sm);
  background: transparent;
  color: inherit;
  padding: 12px 14px;
}

.nav-button.is-active {
  background: color-mix(in srgb, var(--sidebar-text) 12%, transparent);
  color: var(--sidebar-text);
}

.nav-button:hover {
  background: color-mix(in srgb, var(--sidebar-text) 8%, transparent);
}

.main {
  grid-area: main;
  padding: 24px;
  min-height: 0;
  overflow-y: auto;
}

.footer {
  grid-area: footer;
  padding: 12px 24px 20px;
  color: var(--muted);
  font-size: 13px;
  background: var(--bg);
}

.page {
  display: grid;
  gap: 18px;
}

.panel-surface,
.page-header,
.module-header,
.panel,
.status-bar,
.module-nav,
.module-list-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel-frame,
.page-header,
.module-header,
.panel,
.status-bar,
.module-nav,
.module-list-card {
  padding: var(--panel-padding-y) var(--panel-padding-x);
}

.panel-header-row {
  display: grid;
  gap: var(--panel-header-gap);
  padding-bottom: var(--panel-header-padding-bottom);
  border-bottom: 1px solid var(--line);
}

.panel-header-toggle {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.panel-header-toggle-main {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 0;
}

.panel-header-copy {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.panel-status-dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: var(--radius-pill);
  flex: 0 0 auto;
  background: var(--warning);
}

.panel-status-dot.is-done {
  background: var(--success);
}

.panel-status-dot.is-error {
  background: var(--danger);
}

.panel-status-dot.is-empty {
  background: var(--muted);
}

.panel-toggle-caret {
  color: var(--muted);
  line-height: 1;
}

.panel-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.panel-subtitle {
  margin: 0;
  color: var(--muted);
}

.panel-header-row + .panel-body {
  padding-top: var(--panel-padding-y);
}

.panel-body {
  display: grid;
  gap: var(--panel-body-gap);
}

.panel-body[hidden] {
  display: none;
}

.panel-standard,
.panel-viewer {
  align-content: start;
}

.module-top-stack {
  position: sticky;
  top: 0;
  z-index: 12;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 0;
}

.module-top-icon-rail {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-right: none;
  border-top-left-radius: var(--radius);
  border-bottom-left-radius: var(--radius);
  box-shadow: var(--shadow);
}

.module-top-content {
  display: grid;
  min-width: 0;
  gap: 0;
}

.module-header.is-compact {
  padding-top: 14px;
  padding-bottom: 14px;
}

.module-top-stack .module-header {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom: none;
  box-shadow: none;
}

.module-top-stack .module-nav {
  border-top-left-radius: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-bottom-left-radius: 0;
  margin-top: 0;
}

.header-row,
.context-row,
.context-grid,
.module-grid,
.project-row,
.status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.header-row {
  justify-content: space-between;
}

.module-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.module-title-copy {
  min-width: 0;
}

.module-header-subtitle {
  margin: 6px 0 0;
  font-size: 16px;
  line-height: 1.35;
  color: var(--muted);
}

.module-header.is-start-context .header-row {
  align-items: stretch;
}

.module-header.is-start-context .module-title-row {
  align-items: stretch;
  min-height: 128px;
}

.module-header.is-start-context .module-title-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.module-header.is-start-context .header-actions {
  align-self: center;
}

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

.context-box {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.context-box strong,
.kpi-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.context-box span,
.kpi-card span {
  font-size: 16px;
}

.panel-grid {
  display: grid;
  gap: 18px;
}

.module-grid {
  align-items: stretch;
}

.module-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.kpi-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.module-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.module-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.module-card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.module-card-layout {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.module-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
}

.module-card-copy {
  min-width: 0;
  display: grid;
  gap: 10px;
}

.module-card-subtitle {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
  color: var(--muted);
}

.module-card h3,
.panel h3,
.columns h3 {
  margin: 0;
  font-size: 18px;
}

.module-card-title-row,
.project-row-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.project-row-main-between {
  justify-content: space-between;
}

.module-card p,
.panel p,
.columns p,
.status-bar p {
  margin: 0;
}

.project-row-plain {
  padding: 0;
  border: none;
  background: transparent;
}

.module-card-actions,
.header-actions,
.status-actions,
.inline-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

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

.module-nav button.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--line-accent-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.85fr);
  gap: 18px;
}

.hero-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-soft) 100%);
  box-shadow: var(--shadow);
}

.hero-card-copy {
  min-width: 0;
}

.hero-card-layout {
  display: block;
}

.hero-visual {
  min-height: 180px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at top right, var(--surface-hero-accent), transparent 38%),
    linear-gradient(160deg, var(--surface-hero-top) 0%, var(--surface-hero-bottom) 100%);
  box-shadow: var(--shadow);
  color: var(--muted);
  text-align: center;
  padding: 20px;
}

.project-access-grid {
  display: flex;
  gap: var(--panel-gap);
  align-items: start;
  flex-wrap: wrap;
}

.action-tile-grid {
  display: grid;
  gap: 14px;
}

.action-tile {
  display: grid;
  gap: var(--space-3);
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.step-list,
.recent-projects {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.step-item,
.recent-project {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.project-row-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.project-icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.project-icon-btn.is-danger {
  color: var(--accent);
}

.project-duplicate-inline {
  margin-top: var(--space-3);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  flex: 0 0 auto;
}

.step-body {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.columns {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.columns.layout-wide-content {
  grid-template-columns: minmax(0, 1fr);
}

.columns.layout-split-280 {
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.9fr);
}

.columns.layout-split-280-wide {
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
}

.columns.layout-split-260-medium {
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.8fr);
}

.columns.layout-split-260-tight {
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.8fr);
}

.columns.layout-split-280-xl {
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.8fr);
}

.content-stack {
  min-width: 0;
}

.tab-workspace {
  display: grid;
  gap: var(--panel-gap);
  min-width: 0;
}

.tab-workspace-panel-grid {
  display: grid;
  gap: var(--panel-gap);
  align-items: start;
}

.tab-workspace-row {
  display: flex;
  gap: var(--panel-gap);
  align-items: start;
}

.workspace-panel {
  min-width: 0;
  flex: 0 0 100%;
}

.workspace-panel[data-panel-span="full"] {
  flex-basis: 100%;
  max-width: 100%;
}

.workspace-panel[data-panel-span="half"] {
  flex-basis: calc((100% - var(--panel-gap)) / 2);
  max-width: calc((100% - var(--panel-gap)) / 2);
}

.workspace-panel[data-panel-span="third"] {
  flex-basis: calc((100% - (var(--panel-gap) * 2)) / 3);
  max-width: calc((100% - (var(--panel-gap) * 2)) / 3);
}

.panel-layout {
  display: grid;
  gap: var(--panel-gap);
}

.panel-layout + .panel-layout {
  margin-top: var(--panel-gap);
}

.tab-panel-layout {
  display: grid;
  gap: var(--panel-gap);
}

.tab-panel-layout-two {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: start;
}

.panel-layout-full {
  grid-template-columns: minmax(0, 1fr);
}

.panel-layout-readable .panel-main {
  max-width: 880px;
}

.panel-layout-form .panel-main {
  max-width: 1040px;
}

.panel-layout-split-right {
  grid-template-columns: minmax(0, min(980px, 1fr)) minmax(280px, 360px);
  align-items: start;
}

.panel-main,
.panel-side {
  min-width: 0;
}

.panel-main {
  display: grid;
  gap: 0;
}

.panel-main-readable {
  max-width: 980px;
}

.panel-side-info {
  align-self: start;
}

.context-panel {
  min-width: 0;
}

.context-panel-stacked {
  padding-top: 0;
}

.section-block,
.section-surface {
  display: grid;
  gap: var(--section-gap);
  padding: var(--section-padding-y) var(--section-padding-x);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  box-shadow: var(--section-shadow);
}

.section-block + .section-block {
  margin-top: var(--section-gap);
}

.section-header-row {
  display: grid;
  gap: var(--section-header-gap);
  padding-bottom: var(--section-header-padding-bottom);
  border-bottom: 1px solid var(--line);
}

.section-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.25;
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
}

.section-header-row + .section-body {
  padding-top: var(--section-padding-y);
}

.section-body {
  display: grid;
  gap: var(--section-body-gap);
}

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

.table-view {
  display: grid;
  gap: 12px;
}

.table-view-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.table-view-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.table-view-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.table-view-surface {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: auto;
  max-width: 100%;
}

.table-view-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
}

.table-view-table th,
.table-view-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.table-view-table th {
  background: var(--surface-soft);
  padding: 0;
}

.config-editor-list {
  display: grid;
  gap: var(--section-gap);
}

.config-editor-card {
  display: grid;
  gap: var(--section-gap);
}

.config-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.config-editor-row {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) minmax(220px, 1fr);
  gap: var(--section-body-gap);
  align-items: end;
}

.config-editor-row-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-editor-variant-top {
  display: grid;
  grid-template-columns: auto auto minmax(260px, 1fr);
  gap: var(--section-body-gap);
  align-items: center;
}

.config-editor-variant-levels {
  display: grid;
  gap: var(--section-body-gap);
}

.config-editor-card.section-block,
.config-editor-variant-levels.section-block {
  margin-top: 0;
}

.config-editor-level-row {
  display: grid;
  grid-template-columns: 84px minmax(220px, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.config-editor-level-label {
  color: var(--text-muted);
  font-size: 14px;
}

.config-editor-variant-name {
  max-width: 520px;
}

.table-view-sort {
  width: 100%;
  border: none;
  background: transparent;
  padding: 10px 12px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
}

.table-view-sort.is-active {
  color: var(--text);
}

.table-view-sort-mark {
  font-size: 11px;
}

.table-view-table tbody tr:last-child td {
  border-bottom: none;
}

.table-view-empty {
  padding: 16px;
  color: var(--muted);
}

.fake-input.is-auto-height {
  min-height: auto;
}

.mapping-board {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.mapping-board-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.mapping-board-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mapping-board-shell {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 16px;
}

.mapping-board-pane {
  display: grid;
  gap: 12px;
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  min-width: 0;
}

.mapping-board-pane-title {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.mapping-board-source-list,
.mapping-board-target-list {
  display: grid;
  gap: 10px;
}

.mapping-source-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--surface-soft);
}

.mapping-source-col,
.mapping-target-col {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.mapping-target-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(240px, 1fr);
  gap: 12px;
  align-items: center;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--surface-soft);
}

.mapping-target-row.is-filled {
  border-color: var(--line-accent-soft);
  background: var(--surface-accent-soft);
}

.mapping-target-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.mapping-target-label {
  font-weight: 600;
  color: var(--text);
}

.mapping-target-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mapping-select {
  min-width: 0;
  width: 100%;
}

.mapping-board-empty {
  padding: var(--space-4);
  border: 1px dashed var(--line);
  border-radius: var(--radius-xs);
  color: var(--muted);
  background: var(--surface-soft);
}

.preview-frame {
  margin-top: var(--space-3);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.preview-frame iframe {
  width: 100%;
  min-height: 560px;
  border: 0;
  display: block;
}

.workspace-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.workspace-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.workspace-shell {
  padding: 18px 20px;
}

.workspace-tabbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.workspace-tabbar button.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--line-accent-soft);
}

.workspace-column {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.workspace-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--surface);
}

.workspace-card h4,
.evaluation-tile h4,
.schema-row h4 {
  margin: 0 0 8px;
  font-size: 15px;
}

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

.evaluation-tile,
.schema-row {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.schema-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.settings-stack {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.project-list {
  display: grid;
  gap: 12px;
}

.project-row {
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.doc-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.doc-chip {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
}

.status-bar {
  display: grid;
  gap: 10px;
}

.status-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status-row {
  justify-content: space-between;
}

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

.status-warning {
  color: var(--warning);
}

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

.dev-scope {
  position: relative;
  outline: 1px dashed transparent;
  outline-offset: 3px;
}

body.is-dev-mode .dev-scope {
  outline-color: var(--dev-outline);
}

body.is-dev-mode .dev-scope::before {
  content: none;
}

body.is-dev-mode .dev-scope.is-copyable {
  cursor: copy;
}

.dev-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 30;
  max-width: min(80%, 420px);
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: var(--dev-label-bg);
  color: var(--dev-label-text);
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: copy;
  user-select: none;
}

.dev-badge.is-surface-badge {
  left: 50%;
  top: 0;
  transform: translate(-50%, -50%);
  max-width: min(88%, 520px);
  text-align: center;
}

.field > .dev-badge,
.section-block > .dev-badge {
  top: -10px;
}

.section-block > .dev-badge.is-surface-badge,
.panel-layout > .dev-badge.is-surface-badge,
.content-stack > .dev-badge.is-surface-badge,
.context-panel > .dev-badge.is-surface-badge,
.page > .dev-badge.is-surface-badge,
.page-header > .dev-badge.is-surface-badge,
.module-top-stack > .dev-badge.is-surface-badge,
.module-header > .dev-badge.is-surface-badge,
.module-nav > .dev-badge.is-surface-badge,
.status-bar > .dev-badge.is-surface-badge {
  top: 0;
}

body.is-dev-mode .dev-interaction {
  position: relative;
  outline: 1px dotted var(--dev-interaction-outline);
  outline-offset: 2px;
  cursor: copy;
}

body.is-dev-mode .dev-unknown-interaction {
  position: relative;
  outline: 2px solid var(--dev-unknown-interaction-outline);
  outline-offset: 3px;
}

body.is-dev-mode .dev-unknown-surface {
  position: relative;
  outline: 2px dashed var(--dev-unknown-surface-outline);
  outline-offset: 4px;
}

.dev-unknown-badge {
  background: var(--dev-unknown-surface-bg);
  color: var(--text-inverse);
}

body.is-dev-mode .dev-unknown-interaction > .dev-unknown-badge {
  background: var(--dev-unknown-interaction-bg);
}

body.is-dev-mode .dev-interaction::after {
  content: attr(data-dev-interaction);
  position: absolute;
  right: 6px;
  bottom: -10px;
  z-index: 31;
  max-width: min(70%, 360px);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--dev-interaction-label-bg);
  color: var(--text-inverse);
  font-size: 10px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

body.is-dev-mode .dev-copy-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 60;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--surface-overlay-dark);
  color: var(--text-inverse);
  font-size: 12px;
  letter-spacing: 0.02em;
  box-shadow: var(--elevation-3);
  pointer-events: none;
}

body.is-dev-mode .topbar::after {
  content: "DEV MODE";
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--accent-overlay);
  color: var(--text-inverse);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.dev-copy-hud {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 55;
  width: min(520px, calc(100vw - 36px));
  display: grid;
  gap: 8px;
  padding: var(--space-3);
  border: 1px solid var(--line-accent-soft);
  border-radius: var(--radius-md);
  background: var(--surface-overlay-light);
  box-shadow: var(--elevation-2);
}

.dev-copy-hud strong {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dev-copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dev-copy-input {
  width: 100%;
  min-height: 40px;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--surface);
  color: var(--text);
}

@media (max-width: 1100px) {
  .module-card-grid,
  .workspace-board,
  .kpi-grid,
  .context-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .columns,
  .tab-panel-layout-two,
  .panel-layout-split-right {
    grid-template-columns: 1fr;
  }

  .tab-workspace-row {
    flex-direction: column;
  }

  .workspace-panel[data-panel-span],
  .workspace-panel[data-panel-placement] {
    flex-basis: 100%;
    max-width: 100%;
  }

  .module-top-stack {
    grid-template-columns: 1fr;
  }

  .module-top-icon-rail {
    border-right: 1px solid var(--line);
    border-bottom: none;
    border-top-right-radius: var(--radius);
    border-bottom-left-radius: 0;
  }

  .module-top-stack .module-header {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }

  .module-top-stack .module-nav {
    border-top-left-radius: 0;
  }

  .mapping-board-shell,
  .mapping-target-row {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .project-access-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .app-shell {
    height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas:
      "topbar"
      "sidebar"
      "main"
      "footer";
    overflow: visible;
  }

  .sidebar {
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
    overflow: visible;
  }

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

  .nav-button {
    min-height: 46px;
  }

  .main {
    overflow: visible;
  }
}

@media (max-width: 640px) {
  .main,
  .topbar,
  .footer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .module-card-grid,
  .workspace-board,
  .mini-grid,
  .sidebar-group,
  .context-grid,
  .kpi-grid,
  .evaluation-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 22px;
  }

  .brand {
    font-size: 16px;
  }

  .page-header,
  .module-header,
  .panel,
  .status-bar,
  .module-nav,
  .module-list-card {
    padding: 16px;
  }
}