:root {
  --nier-black: #0a0a0a;
  --nier-ivory: #e8e6e3;
  --nier-gold: #c4a35a;
  --nier-gold-light: #d4b46a;
  --nier-gold-dark: #8b7355;
  --nier-surface: #1a1a18;
  --nier-surface-alt: #2a2a26;
  --nier-muted: #4a4a46;
  --nier-border: #3a3a36;
  --nier-danger: #c45a5a;
  --nier-success: #5ac47a;

  --font-display: 'EB Garamond', Georgia, serif;
  --font-body: 'Jost', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', monospace;

  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 18px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-hero: 48px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;

  --radius: 2px;
  --radius-lg: 4px;
  --content-max: 1120px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 20px rgba(196,163,90,0.15);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--nier-black);
  color: var(--nier-ivory);
  font-size: var(--text-base);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--nier-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--nier-muted); }

a { color: var(--nier-gold); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--nier-gold-light); }

code, .mono { font-family: var(--font-mono); }

.scanline-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(232,230,227,0.02) 0px,
    rgba(232,230,227,0.02) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--space-xl);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nier-border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--nier-ivory);
  letter-spacing: 2px;
}

.nav-logo .gold { color: var(--nier-gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  color: var(--nier-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--nier-gold); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px var(--space-xl) var(--space-2xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg canvas {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--nier-border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--nier-gold-dark);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero-badge .diamond {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--nier-gold);
  transform: rotate(45deg);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: 4px;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero h1 .gold { color: var(--nier-gold); }

.hero-sub {
  font-size: var(--text-lg);
  color: var(--nier-muted);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 1px;
  border: 1px solid var(--nier-border);
  background: transparent;
  color: var(--nier-ivory);
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
}

.btn:hover {
  border-color: var(--nier-gold);
  color: var(--nier-gold);
  box-shadow: var(--shadow-glow);
}

.btn-primary {
  background: var(--nier-gold);
  border-color: var(--nier-gold);
  color: var(--nier-black);
}

.btn-primary:hover {
  background: var(--nier-gold-light);
  border-color: var(--nier-gold-light);
  color: var(--nier-black);
}

/* --- Section --- */
.section {
  padding: var(--space-2xl) var(--space-xl);
  max-width: var(--content-max);
  margin: 0 auto;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.section-divider .diamond {
  width: 8px;
  height: 8px;
  border: 1px solid var(--nier-gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.section-divider .line {
  flex: 1;
  height: 1px;
  background: var(--nier-border);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--nier-gold-dark);
  letter-spacing: 4px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.section-title .bracket {
  color: var(--nier-gold-dark);
  font-weight: 400;
}

/* --- Features --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.feature-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--nier-surface);
  border: 1px solid var(--nier-border);
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--nier-gold-dark);
  box-shadow: var(--shadow-glow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: var(--space-md);
  right: var(--space-md);
  height: 1px;
  background: var(--nier-gold);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--nier-gold);
  font-size: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--nier-muted);
  line-height: 1.6;
}

/* --- Install --- */
.install-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--nier-border);
  margin-bottom: var(--space-lg);
}

.install-tab {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--nier-muted);
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 1px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
}

.install-tab:hover { color: var(--nier-ivory); }
.install-tab.active {
  color: var(--nier-gold);
  border-bottom-color: var(--nier-gold);
}

.install-content {
  display: none;
  background: var(--nier-surface);
  border: 1px solid var(--nier-border);
  padding: var(--space-lg);
  position: relative;
}

.install-content.active { display: block; }

.install-content pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--nier-ivory);
  line-height: 1.8;
  overflow-x: auto;
  white-space: pre;
}

.install-content .copy-btn {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--nier-muted);
  background: var(--nier-surface-alt);
  border: 1px solid var(--nier-border);
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 1px;
}

.install-content .copy-btn:hover {
  color: var(--nier-gold);
  border-color: var(--nier-gold);
}

/* --- Quickstart --- */
.quickstart-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.qs-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--space-md);
  align-items: start;
}

.qs-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--nier-gold);
  border: 1px solid var(--nier-border);
}

.qs-step h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.qs-step p {
  font-size: var(--text-sm);
  color: var(--nier-muted);
  margin-bottom: var(--space-sm);
}

.qs-step code {
  display: block;
  background: var(--nier-surface);
  border: 1px solid var(--nier-border);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--nier-gold);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--nier-border);
  padding: var(--space-xl) var(--space-xl);
  text-align: center;
}

.footer-diamond {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.footer-diamond .line {
  width: 80px;
  height: 1px;
  background: var(--nier-border);
}

.footer-diamond .diamond {
  width: 8px;
  height: 8px;
  background: var(--nier-gold);
  transform: rotate(45deg);
}

.footer-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--nier-gold-dark);
  font-style: italic;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  list-style: none;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--nier-muted);
  letter-spacing: 1px;
}

.footer-links a:hover { color: var(--nier-gold); }

.footer-copy {
  font-size: var(--text-xs);
  color: var(--nier-muted);
  margin-top: var(--space-md);
  letter-spacing: 2px;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes scanlineSweep {
  0% { transform: translateY(-100vh); }
  100% { transform: translateY(100vh); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 40px; }
}

@media (max-width: 768px) {
  .nav { padding: 0 var(--space-md); }
  .nav-links { gap: var(--space-md); }
  .nav-links a { font-size: var(--text-xs); letter-spacing: 1px; }
  .hero { padding: 100px var(--space-md) var(--space-xl); min-height: auto; }
  .hero h1 { font-size: 32px; letter-spacing: 2px; }
  .hero-sub { font-size: var(--text-base); }
  .features-grid { grid-template-columns: 1fr; }
  .section { padding: var(--space-xl) var(--space-md); }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 375px) {
  .hero h1 { font-size: 28px; }
  .nav-logo { font-size: 16px; }
}

/* --- RustWebAppCommon restyle override -------------------------------- */
:root {
  --bg-canvas: #111111;
  --bg-panel: #1b1a17;
  --bg-raised: #262522;
  --bg-strip: #161513;
  --fg-primary: #ece6d9;
  --fg-secondary: #b7b0a3;
  --fg-muted: #8e887e;
  --line-strong: #d7d0c4;
  --line-soft: #5f5a52;
  --accent-signal: #cfc7b8;
  --accent-positive: #8fc99c;
  --accent-negative: #d69a9a;
  --accent-warning: #d4c08c;
  --accent-info: #9db8c7;
  --shadow-soft: 0 18px 48px rgba(0, 0, 0, 0.28);
  --radius: 2px;
  --radius-lg: 4px;
  --content-max: 1180px;
  --bg: var(--bg-canvas);
  --surface: var(--bg-panel);
  --surface-alt: var(--bg-raised);
  --border: var(--line-soft);
  --border-focus: var(--line-strong);
  --ivory: var(--fg-primary);
  --muted: var(--fg-muted);
  --gold: var(--accent-signal);
  --gold-light: var(--line-strong);
  --gold-dark: var(--fg-secondary);
  --danger: var(--accent-negative);
  --danger-bg: rgba(214, 154, 154, 0.12);
  --success: var(--accent-positive);
  --success-bg: rgba(143, 201, 156, 0.12);
  --warning: var(--accent-warning);
  --warning-bg: rgba(212, 192, 140, 0.12);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: "Segoe UI", "Noto Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  --shadow: var(--shadow-soft);
  --transition: 0.2s ease;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(207, 199, 184, 0.08), transparent 34%),
    var(--bg-canvas);
  color: var(--fg-primary);
  font-family: "Segoe UI", "Noto Sans SC", sans-serif;
}

a {
  color: inherit;
}

code,
.mono {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

.shell {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.masthead,
.hero-card,
.panel,
.doc-card,
.detail-card,
.command-card {
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(38, 37, 34, 0.92), rgba(27, 26, 23, 0.98));
  box-shadow: var(--shadow-soft);
}

.masthead {
  padding: 28px;
  margin-bottom: 20px;
  border-color: var(--line-strong);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--fg-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 12px;
}

h1,
h2,
h3,
.page-demo .login-logo h1,
.page-demo .sidebar-header h2,
.page-demo .modal-header h3,
.page-demo .view-title,
.page-demo .confirm-box h3 {
  margin: 0 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

h1 {
  font-size: clamp(32px, 5vw, 46px);
}

.lede,
.hero-card p,
.panel p,
.panel li,
.doc-card p,
.detail-card p,
.command-card p,
.page-demo .field-hint,
.page-demo .field-group label,
.page-demo .selection-summary,
.page-demo .selection-meta,
.page-demo .conflict-message,
.page-demo .timestamp {
  color: var(--fg-secondary);
  line-height: 1.65;
}

.content {
  display: grid;
  gap: 20px;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.topnav a,
.button-link,
.copy-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-primary);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  padding: 10px 14px;
  background: rgba(27, 26, 23, 0.9);
  transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
}

.topnav a:hover,
.button-link:hover,
.copy-inline:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  background: rgba(38, 37, 34, 0.96);
}

.topnav a.active {
  border-color: var(--line-strong);
  background: var(--bg-raised);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.status-card {
  min-width: 180px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  background: var(--bg-strip);
}

.status-card span {
  display: block;
}

.status-label {
  margin-bottom: 6px;
  color: var(--fg-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-value {
  color: var(--accent-signal);
  font-size: 15px;
}

.hero-card,
.panel {
  padding: 22px;
}

.hero-card {
  display: grid;
  gap: 16px;
}

.hero-list,
.summary-list,
.meta-list {
  margin: 0;
  padding-left: 18px;
}

.summary-list li,
.meta-list li,
.hero-list li {
  margin-bottom: 8px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

.panel-section + .panel-section {
  border-left: 1px solid var(--line-soft);
  padding-left: 18px;
}

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

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

.detail-card,
.command-card,
.doc-card {
  padding: 16px;
  background: var(--bg-raised);
}

.panel-title {
  margin-bottom: 12px;
}

.command-card {
  position: relative;
}

.command-card code,
.detail-card code,
.doc-card code {
  display: block;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  background: var(--bg-strip);
  white-space: pre-wrap;
}

.copy-inline {
  margin-top: 12px;
  padding: 8px 12px;
  font-size: 12px;
  cursor: pointer;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  color: var(--fg-muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-note {
  color: var(--fg-secondary);
}

.page-demo .scanline-overlay,
.page-demo .hud-banner,
.page-demo .back-nav {
  display: none !important;
}

.page-demo .shell {
  max-width: 1280px;
}

.demo-panel {
  padding: 0;
  overflow: hidden;
}

.demo-canvas {
  position: relative;
  min-height: 820px;
  background: var(--bg-panel);
}

.page-demo .toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 300;
}

.page-demo .login-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top, rgba(207, 199, 184, 0.08), transparent 34%),
    rgba(17, 17, 17, 0.96);
  z-index: 30;
}

.page-demo .login-card {
  width: 420px;
  padding: 36px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(38, 37, 34, 0.96), rgba(27, 26, 23, 1));
  box-shadow: var(--shadow-soft);
}

.page-demo .login-logo .icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--accent-signal);
  background: var(--bg-strip);
}

.page-demo .login-logo h1,
.page-demo .sidebar-header h2,
.page-demo .modal-header h3,
.page-demo .view-title,
.page-demo .confirm-box h3 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.02em;
}

.page-demo .gold {
  color: var(--accent-signal);
}

.page-demo .login-vault-path,
.page-demo .search-box,
.page-demo .modal-body input,
.page-demo .modal-body textarea,
.page-demo .modal-body select,
.page-demo .assign-row input[type="text"],
.page-demo .import-preview input[type="text"],
.page-demo .dropzone,
.page-demo .checkbox-item,
.page-demo .assign-row,
.page-demo .selection-list,
.page-demo .selection-row,
.page-demo .cli-panel .cli-output {
  background: var(--bg-strip);
  border-color: var(--line-soft);
}

.page-demo .login-vault-path,
.page-demo .search-box,
.page-demo .dropzone,
.page-demo .checkbox-item,
.page-demo .assign-row,
.page-demo .selection-list,
.page-demo .selection-row {
  border: 1px solid var(--line-soft);
}

.page-demo .app {
  display: none;
  min-height: 820px;
}

.page-demo .app.active {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: 56px 1fr;
  min-height: 820px;
}

.page-demo .sidebar,
.page-demo .topbar,
.page-demo .sidebar-header,
.page-demo .sidebar-footer {
  background: var(--bg-panel);
  border-color: var(--line-soft);
}

.page-demo .sidebar {
  border-right: 1px solid var(--line-soft);
}

.page-demo .sidebar-section,
.page-demo .selection-summary,
.page-demo .selection-meta,
.page-demo .replace-toggle,
.page-demo .timestamp,
.page-demo .cli-panel .cli-header {
  color: var(--fg-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-demo .app-item {
  border: 1px solid transparent;
}

.page-demo .app-item:hover {
  background: var(--bg-raised);
  border-color: var(--line-soft);
}

.page-demo .app-item.active {
  background: rgba(207, 199, 184, 0.08);
  border-color: var(--line-strong);
  color: var(--fg-primary);
}

.page-demo .app-item .count {
  background: var(--bg-strip);
  border: 1px solid var(--line-soft);
  color: var(--fg-secondary);
}

.page-demo .topbar {
  padding: 0 20px;
}

.page-demo .search-box {
  width: 300px;
  border-radius: var(--radius);
}

.page-demo .search-box input,
.page-demo .modal-body input,
.page-demo .modal-body select,
.page-demo .btn,
.page-demo .sidebar-footer button {
  font-family: "Segoe UI", "Noto Sans SC", sans-serif;
}

.page-demo .modal-body textarea,
.page-demo .mono {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

.page-demo .btn,
.page-demo .sidebar-footer button,
.page-demo .actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  background: var(--bg-strip);
  color: var(--fg-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
}

.page-demo .btn:hover,
.page-demo .sidebar-footer button:hover,
.page-demo .actions button:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  background: var(--bg-raised);
  color: var(--fg-primary);
}

.page-demo .btn-primary {
  background: var(--accent-signal);
  border-color: var(--line-strong);
  color: #161513;
}

.page-demo .btn-primary:hover {
  background: var(--line-strong);
  color: #111111;
}

.page-demo .btn-success {
  background: rgba(143, 201, 156, 0.12);
  border-color: rgba(143, 201, 156, 0.5);
  color: var(--accent-positive);
}

.page-demo .btn-danger {
  background: rgba(214, 154, 154, 0.12);
  border-color: rgba(214, 154, 154, 0.5);
  color: var(--accent-negative);
}

.page-demo .main {
  padding: 20px;
  overflow-y: auto;
  background: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.page-demo .secrets-table th {
  background: var(--bg-canvas);
  color: var(--fg-muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-demo .secrets-table td {
  border-bottom: 1px solid rgba(95, 90, 82, 0.5);
}

.page-demo .secrets-table tr:hover td {
  background: rgba(38, 37, 34, 0.5);
}

.page-demo .alias-cell,
.page-demo .override-cell .override-label,
.page-demo .app-badge,
.page-demo .unassigned-badge {
  color: var(--accent-signal);
}

.page-demo .key-cell,
.page-demo .override-cell .original-label,
.page-demo .masked,
.page-demo .conflict-message,
.page-demo .empty-state p {
  color: var(--fg-secondary);
}

.page-demo .tag-badge,
.page-demo .app-badge,
.page-demo .unassigned-badge {
  border: 1px solid var(--line-soft);
  background: transparent;
  border-radius: var(--radius);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-demo .tag-production,
.page-demo .tag-staging,
.page-demo .tag-database,
.page-demo .tag-auth,
.page-demo .tag-cache,
.page-demo .tag-monitoring,
.page-demo .tag-external,
.page-demo .tag-default {
  color: var(--fg-secondary);
  border-color: var(--line-soft);
  background: transparent;
}

.page-demo .cli-panel {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-panel);
}

.page-demo .cli-panel .cli-header {
  color: var(--fg-secondary);
}

.page-demo .cli-panel .cli-output .cmd {
  color: var(--accent-signal);
}

.page-demo .cli-panel .cli-output .out {
  color: var(--fg-primary);
}

.page-demo .modal-overlay,
.page-demo .confirm-overlay {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: none;
}

.page-demo .modal,
.page-demo .confirm-box {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(38, 37, 34, 0.96), rgba(27, 26, 23, 1));
  box-shadow: var(--shadow-soft);
}

.page-demo .modal-footer {
  border-top-color: var(--line-soft);
}

.page-demo .checkbox-item.checked,
.page-demo .assign-row.selected,
.page-demo .dropzone:hover,
.page-demo .dropzone.dragover {
  background: rgba(207, 199, 184, 0.08);
  border-color: var(--line-strong);
}

.page-demo .selection-list {
  background: var(--bg-strip);
}

.page-demo .selection-row {
  border-bottom: 1px solid rgba(95, 90, 82, 0.5);
}

.page-demo .selection-row:last-child {
  border-bottom: none;
}

.page-demo .import-preview tr.import-row-conflict {
  background: rgba(214, 154, 154, 0.08);
}

.page-demo .import-preview tr.import-row-ready {
  background: rgba(207, 199, 184, 0.06);
}

.page-demo .toast {
  background: linear-gradient(180deg, rgba(38, 37, 34, 0.96), rgba(27, 26, 23, 1));
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.page-demo .toast-success {
  border-color: rgba(143, 201, 156, 0.5);
}

.page-demo .toast-error {
  border-color: rgba(214, 154, 154, 0.5);
}

.page-demo .demo-support-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-demo .demo-support-grid .detail-card code {
  margin-top: 8px;
}

@media (max-width: 960px) {
  .split-panel {
    grid-template-columns: 1fr;
  }

  .panel-section + .panel-section {
    border-left: none;
    border-top: 1px solid var(--line-soft);
    padding-left: 0;
    padding-top: 18px;
  }

  .page-demo .app.active {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
  }

  .page-demo .sidebar {
    grid-row: auto;
    border-right: none;
    border-bottom: 1px solid var(--line-soft);
  }

  .page-demo .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
  }

  .page-demo .search-box {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .shell {
    padding: 20px 14px 40px;
  }

  .masthead,
  .hero-card,
  .panel {
    padding: 18px;
  }

  .topnav,
  .hero-actions,
  .footer,
  .footer-links {
    flex-direction: column;
    align-items: stretch;
  }

  .status-card {
    min-width: 100%;
  }

  .page-demo .login-card,
  .page-demo .modal,
  .page-demo .modal-wide,
  .page-demo .confirm-box {
    width: min(100%, 92vw);
  }
}