/* VersaRail AI Showcase & Download Stylesheet
   Tokens aligned with versarail-ai/src/renderer/src/styles/theme.css */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #090a0f;
  --surface-lowest: #0d0e14;
  --surface-low: #10121a;
  --surface: #14151f;
  --surface-high: #1a1c29;
  --surface-highest: #222536;
  --card-glass: rgba(16, 18, 26, 0.8);
  --card-glass-hover: rgba(20, 21, 31, 0.9);

  --text: #f3f4f6;
  --muted: #9ca3af;
  --subtle: #6b7280;

  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --line-subtle: rgba(255, 255, 255, 0.06);
  --grid-line: rgba(255, 255, 255, 0.025);

  --primary: #4f46e5;
  --secondary: #6366f1;
  --indigo-soft: #818cf8;
  --tertiary: #38bdf8;
  --emerald: #34d399;
  --amber: #fbbf24;
  --error: #f87171;

  --code-accent: #c7d2fe;
  --chip-bg: rgba(20, 21, 31, 0.92);
  --outline-bg: rgba(255, 255, 255, 0.03);
  --hover-tint: rgba(255, 255, 255, 0.04);
  --active-nav-bg: rgba(99, 102, 241, 0.16);
  --active-nav-border: rgba(99, 102, 241, 0.36);
  --active-nav-text: #e0e7ff;

  --diff-del-bg: rgba(248, 113, 113, 0.12);
  --diff-del-text: #fca5a5;
  --diff-add-bg: rgba(52, 211, 153, 0.11);
  --diff-add-text: #a7f3d0;

  --banner-info-bg: rgba(56, 189, 248, 0.08);
  --banner-info-border: rgba(56, 189, 248, 0.24);
  --banner-info-text: #bae6fd;
  --banner-warn-bg: rgba(251, 191, 36, 0.1);
  --banner-warn-border: rgba(251, 191, 36, 0.35);
  --banner-warn-text: #fde68a;

  --perm-bg: rgba(99, 102, 241, 0.1);
  --perm-border: rgba(99, 102, 241, 0.25);
  --perm-text: #c7d2fe;
  --perm-ok-bg: rgba(52, 211, 153, 0.12);
  --perm-ok-border: rgba(52, 211, 153, 0.35);
  --perm-ok-text: #a7f3d0;
  --perm-err-bg: rgba(248, 113, 113, 0.14);
  --perm-err-border: rgba(248, 113, 113, 0.42);
  --perm-err-text: #fecaca;

  --download-bg:
    radial-gradient(ellipse at 50% 115%, rgba(79, 70, 229, 0.32), transparent 58%),
    linear-gradient(145deg, var(--surface), var(--surface-low));
  --preview-banner-bg: rgba(13, 14, 20, 0.72);
  --window-shadow: 0 38px 96px rgba(0, 0, 0, 0.72), 14px 18px 42px rgba(79, 70, 229, 0.09);
  --window-shadow-hover: 0 42px 104px rgba(0, 0, 0, 0.78), 8px 14px 36px rgba(79, 70, 229, 0.14);
  --gradient-hero: linear-gradient(100deg, #c7d2fe 0%, #818cf8 48%, #38bdf8 100%);
  --gradient-muted: linear-gradient(180deg, #f3f4f6 15%, #9ca3af 100%);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Light Theme Scheme (aligned with versarail-ai Refined Executive Slate) */
[data-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc;
  --surface-lowest: #f1f5f9;
  --surface-low: #ffffff;
  --surface: #ffffff;
  --surface-high: #f1f5f9;
  --surface-highest: #e2e8f0;
  --card-glass: rgba(255, 255, 255, 0.82);
  --card-glass-hover: rgba(255, 255, 255, 0.94);

  --text: #0f172a;
  --muted: #475569;
  --subtle: #64748b;

  --line: rgba(15, 23, 42, 0.09);
  --line-strong: rgba(15, 23, 42, 0.16);
  --line-subtle: rgba(15, 23, 42, 0.06);
  --grid-line: rgba(15, 23, 42, 0.045);

  --primary: #4f46e5;
  --secondary: #4338ca;
  --indigo-soft: #4f46e5;
  --tertiary: #0284c7;
  --emerald: #059669;
  --amber: #d97706;
  --error: #dc2626;

  --code-accent: #4338ca;
  --chip-bg: rgba(255, 255, 255, 0.94);
  --outline-bg: rgba(15, 23, 42, 0.03);
  --hover-tint: rgba(15, 23, 42, 0.04);
  --active-nav-bg: #e0e7ff;
  --active-nav-border: rgba(79, 70, 229, 0.28);
  --active-nav-text: #312e81;

  --diff-del-bg: rgba(239, 68, 68, 0.1);
  --diff-del-text: #991b1b;
  --diff-add-bg: rgba(16, 185, 129, 0.11);
  --diff-add-text: #065f46;

  --banner-info-bg: #e0f2fe;
  --banner-info-border: rgba(2, 132, 199, 0.28);
  --banner-info-text: #075985;
  --banner-warn-bg: #fef3c7;
  --banner-warn-border: rgba(217, 119, 6, 0.35);
  --banner-warn-text: #92400e;

  --perm-bg: #eef2ff;
  --perm-border: rgba(79, 70, 229, 0.24);
  --perm-text: #3730a3;
  --perm-ok-bg: #d1fae5;
  --perm-ok-border: rgba(5, 150, 105, 0.3);
  --perm-ok-text: #065f46;
  --perm-err-bg: #fee2e2;
  --perm-err-border: rgba(220, 38, 38, 0.32);
  --perm-err-text: #991b1b;

  --download-bg:
    radial-gradient(ellipse at 50% 115%, rgba(79, 70, 229, 0.14), transparent 58%),
    linear-gradient(145deg, #ffffff, #f1f5f9);
  --preview-banner-bg: #f1f5f9;
  --window-shadow: 0 28px 68px rgba(15, 23, 42, 0.14), 10px 14px 30px rgba(79, 70, 229, 0.08);
  --window-shadow-hover: 0 34px 80px rgba(15, 23, 42, 0.18), 6px 12px 28px rgba(79, 70, 229, 0.12);
  --gradient-hero: linear-gradient(100deg, #4f46e5 0%, #6366f1 48%, #0284c7 100%);
  --gradient-muted: linear-gradient(180deg, #0f172a 15%, #475569 100%);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  max-width: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  overflow-x: clip;
  max-width: 100%;
  -webkit-font-smoothing: antialiased;
}

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

code,
pre {
  font-family: var(--font-mono);
  font-variant-ligatures: none;
}

button {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--tertiary);
  outline-offset: 2px;
}

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

/* Scroll progress bar + contained 3D WebGL stage */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-hero);
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 60;
  pointer-events: none;
  will-change: transform;
}

.ambient-stage {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

#versarail3d {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 65% at 50% 15%, black 20%, transparent 100%);
}

/* Layout containers */
.section-wrap,
.site-header {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

/* Header */
.site-header {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.brand-accent {
  background: linear-gradient(100deg, var(--indigo-soft), var(--tertiary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
}

.nav-links a {
  transition: color 0.18s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--outline-bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.theme-toggle:hover {
  border-color: var(--indigo-soft);
  background: var(--active-nav-bg);
  transform: translateY(-1px);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] img.mono-provider {
  filter: brightness(0) saturate(100%) opacity(0.86);
}

.mobile-menu {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface-low);
  color: var(--text);
  cursor: pointer;
}

.mobile-menu .icon-close {
  display: none;
}

.mobile-menu[aria-expanded="true"] .icon-menu {
  display: none;
}

.mobile-menu[aria-expanded="true"] .icon-close {
  display: block;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 20px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-small {
  padding: 9px 14px;
  font-size: 12.5px;
}

.button-primary {
  background: linear-gradient(105deg, var(--primary), var(--secondary) 55%, #3b82f6);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(79, 70, 229, 0.34);
}

.button-primary:hover {
  box-shadow: 0 14px 34px rgba(99, 102, 241, 0.45);
}

.button-outline {
  border-color: var(--line-strong);
  background: var(--outline-bg);
  color: var(--text);
}

.button-outline:hover {
  border-color: rgba(129, 140, 248, 0.55);
  background: rgba(99, 102, 241, 0.08);
}

.button-ghost {
  color: var(--muted);
  padding-inline: 14px;
}

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

/* Eyebrow & Typography */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--indigo-soft);
  text-transform: uppercase;
}

.eyebrow-tag {
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--active-nav-bg);
  border: 1px solid var(--active-nav-border);
  color: var(--active-nav-text);
  font-weight: 600;
}

.gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted-gradient {
  background: var(--gradient-muted);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 36px;
  align-items: center;
  padding: 72px 0 84px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 4.9vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin: 20px 0 18px;
}

.hero-lede {
  font-size: 16px;
  line-height: 1.72;
  color: var(--muted);
  max-width: 500px;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 28px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  margin-top: 26px;
  font-size: 12.5px;
  color: var(--muted);
}

.hero-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-check {
  color: var(--emerald);
  flex-shrink: 0;
}

/* Interactive Desktop Preview Window */
.app-window-wrap {
  position: relative;
  min-width: 0;
  perspective: 1200px;
}

.app-window {
  position: relative;
  z-index: 2;
  background: var(--surface-lowest);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--window-shadow);
  transform: rotateY(var(--tilt-y, -5.5deg)) rotateX(var(--tilt-x, 2.5deg));
  transform-origin: center center;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease, border-color 0.25s ease;
}

.app-window:hover,
.app-window:focus-within {
  transform: rotateY(-1.8deg) rotateX(0.9deg);
  border-color: rgba(129, 140, 248, 0.35);
  box-shadow: var(--window-shadow-hover);
}

.window-top {
  height: 36px;
  padding: 0 12px;
  background: var(--surface-lowest);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.window-title-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.titlebar-logo {
  flex-shrink: 0;
  filter: drop-shadow(0 0 6px rgba(129, 140, 248, 0.45));
}

.window-app-title {
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
}

.window-top-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.titlebar-reload {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.titlebar-reload:hover {
  color: var(--text);
  background: var(--surface-high);
  border-color: var(--line);
}

.titlebar-reload.spinning svg {
  transform: rotate(360deg);
  transition: transform 0.45s ease;
  color: var(--indigo-soft);
}

.titlebar-sep {
  width: 1px;
  height: 12px;
  background: var(--line);
}

.win-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.win-orb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.45);
}

.win-min {
  background: radial-gradient(circle at 50% 30%, #facc15 0%, #eab308 55%, #ca8a04 100%);
}

.win-max {
  background: radial-gradient(circle at 50% 30%, #4ade80 0%, #22c55e 55%, #16a34a 100%);
}

.win-close {
  background: radial-gradient(circle at 50% 30%, #f87171 0%, #ef4444 55%, #dc2626 100%);
}

.app-layout {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  min-height: 430px;
}

.app-layout.inspector-open {
  grid-template-columns: 144px minmax(0, 1fr) 142px;
}

.app-sidebar {
  background: var(--surface-lowest);
  border-right: 1px solid var(--line);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 7px 8px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--indigo-soft);
}

.project-pill-left {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.unfold-icon {
  color: var(--muted);
  flex-shrink: 0;
}

.project-pill-text {
  min-width: 0;
}

.project-pill-text small {
  display: block;
  font-family: var(--font-mono);
  font-size: 7.5px;
  color: var(--subtle);
  letter-spacing: 0.05em;
}

.project-pill-text strong {
  display: block;
  font-size: 10.5px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.side-nav-scroll {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.side-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  border-radius: 7px;
  border: 0;
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.side-item:hover {
  background: var(--hover-tint);
  color: var(--text);
}

.side-item.active {
  background: var(--active-nav-bg);
  border-left-color: var(--primary);
  color: var(--text);
  font-weight: 600;
}

.side-item.active svg {
  color: var(--indigo-soft);
}

.side-add {
  margin-left: auto;
  color: var(--indigo-soft);
  font-weight: 600;
  font-size: 12px;
  line-height: 1;
}

.recent-chats {
  padding: 3px 0 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.recent-chats-head {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.06em;
  color: var(--subtle);
  padding: 2px 4px;
}

.recent-chat-item {
  width: 100%;
  border: 0;
  background: transparent;
  border-radius: 6px;
  padding: 5px 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.recent-chat-item:hover {
  background: var(--hover-tint);
}

.recent-chat-item.active {
  background: var(--active-nav-bg);
}

.recent-chat-item strong {
  display: block;
  font-size: 10px;
  line-height: 1.25;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recent-chat-item.active strong {
  color: var(--indigo-soft);
}

.recent-chat-item small {
  display: block;
  font-family: var(--font-mono);
  font-size: 8.5px;
  line-height: 1.2;
  color: var(--subtle);
}

.sidebar-bottom {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
}

.sidebar-profile-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.sidebar-profile-btn:hover {
  color: var(--text);
  background: var(--surface-high);
}

/* Preview Main Area */
.app-main {
  position: relative;
  background: var(--bg);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.preview-pane {
  display: none;
  flex-direction: column;
  height: 100%;
}

.preview-pane.active {
  display: flex;
}

.preview-pane-padded {
  padding: 14px;
  gap: 12px;
}

/* ChatView Top Context Bar (ChatView.tsx L923) */
.chat-context-bar {
  height: 36px;
  padding: 0 12px;
  background: var(--surface-lowest);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-shrink: 0;
}

.chat-context-left {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.chat-title-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-ready-pill {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
  flex-shrink: 0;
}

.chat-context-actions {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.ctx-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 9.5px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.ctx-btn:hover {
  background: var(--surface-high);
}

.ctx-btn-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.ctx-btn-active:hover {
  background: var(--secondary);
}

/* Chat Feed Bubbles (ChatView.tsx L984) */
.chat-feed {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  flex: 1;
}

.msg-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.msg-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--line);
}

.msg-avatar.user {
  background: var(--surface-high);
  color: var(--muted);
}

.msg-avatar.agent {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.msg-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.msg-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.msg-meta strong {
  font-size: 11px;
  color: var(--text);
}

.msg-meta small {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--subtle);
}

.msg-model-tag {
  font-family: var(--font-mono);
  font-size: 8.5px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-high);
  border: 1px solid var(--line);
  color: var(--muted);
}

.msg-bubble {
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 11px;
  color: var(--text);
}

.msg-bubble.user {
  background: var(--surface-lowest);
  padding: 8px 10px;
}

.msg-bubble.user code {
  color: var(--code-accent);
  font-size: 10.5px;
}

.msg-bubble.agent {
  background: var(--surface);
  padding: 6px;
}

.app-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.crumb {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.09em;
  color: var(--indigo-soft);
}

.app-heading h3 {
  margin: 3px 0 0;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
}

.inspector-tabs {
  display: inline-flex;
  background: var(--surface-lowest);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px;
}

.ins-tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.ins-tab.active {
  background: var(--surface-high);
  color: var(--text);
}

.diff-card {
  background: var(--surface-lowest);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  overflow: hidden;
}

.diff-card-head {
  padding: 8px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
}

.diff-card-head code {
  color: var(--text);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.diff-stats {
  display: inline-flex;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  flex-shrink: 0;
}

.diff-stats em {
  font-style: normal;
}

.diff-stats .add {
  color: var(--emerald);
}

.diff-stats .del {
  color: var(--error);
}

.diff-code {
  margin: 0;
  padding: 8px 10px;
  font-size: 9.8px;
  line-height: 1.5;
  overflow-x: auto;
  color: var(--muted);
}

.diff-code span {
  display: block;
  padding: 0 4px;
  border-radius: 3px;
  white-space: pre;
}

.diff-hunk {
  color: var(--indigo-soft);
  margin-bottom: 3px;
}

.diff-del {
  background: var(--diff-del-bg);
  color: var(--diff-del-text);
}

.diff-add {
  background: var(--diff-add-bg);
  color: var(--diff-add-text);
}

.diff-card-actions {
  padding: 8px 12px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.diff-status-note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--tertiary);
}

.diff-status-note.status-ok {
  color: var(--emerald);
}

.diff-status-note.status-err {
  color: var(--error);
}

.diff-status-note.status-info {
  color: var(--tertiary);
}

.mini-btn {
  border-radius: 7px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.mini-btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.mini-btn-primary:hover {
  background: var(--secondary);
}

.mini-btn-ghost {
  background: var(--outline-bg);
  border-color: var(--line);
  color: var(--muted);
}

.mini-btn-ghost:hover {
  color: var(--text);
}

.mini-btn-warn {
  background: var(--banner-warn-bg);
  border-color: var(--banner-warn-border);
  color: var(--banner-warn-text);
}

.mini-btn-danger {
  background: var(--perm-err-bg);
  border-color: var(--perm-err-border);
  color: var(--perm-err-text);
}

/* File tree & activity subpanels */
.file-tree-card,
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface-lowest);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text);
  padding: 4px 0;
}

.file-row.excluded {
  color: var(--subtle);
}

.file-row em {
  font-style: normal;
  font-size: 9.5px;
  padding: 2px 6px;
  border-radius: 5px;
}

.tag-mod {
  background: rgba(56, 189, 248, 0.15);
  color: var(--tertiary);
}

.tag-ok {
  background: rgba(52, 211, 153, 0.14);
  color: var(--emerald);
}

.tag-deny {
  background: rgba(248, 113, 113, 0.15);
  color: var(--error);
}

.activity-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--surface);
}

.activity-row strong {
  display: block;
  font-size: 11.5px;
  color: var(--text);
}

.activity-row small {
  display: block;
  font-size: 10.5px;
  color: var(--muted);
}

.activity-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  padding: 3px 6px;
  border-radius: 5px;
  flex-shrink: 0;
}

.activity-badge.ok {
  background: rgba(52, 211, 153, 0.15);
  color: var(--emerald);
}

.activity-badge.info {
  background: var(--active-nav-bg);
  color: var(--active-nav-text);
}

.activity-badge.warn {
  background: rgba(251, 191, 36, 0.16);
  color: var(--amber);
}

/* PromptComposer anchored at bottom (PromptComposer.tsx L323) */
.composer-shell {
  padding: 10px 12px;
  background: var(--surface-lowest);
  border-top: 1px solid var(--line);
  margin-top: auto;
}

.composer-box {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 8px 10px;
}

.prompt-box {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
  margin-bottom: 8px;
}

.prompt-cursor {
  display: inline-block;
  width: 5px;
  height: 11px;
  background: var(--tertiary);
  margin-left: 3px;
  vertical-align: middle;
  animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink {
  to {
    opacity: 0;
  }
}

.prompt-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--line-subtle);
}

.composer-left-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.tool-icon-btn {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tool-icon-btn:hover {
  background: var(--surface-high);
  color: var(--text);
}

.model-chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--active-nav-bg);
  border: 1px solid var(--active-nav-border);
  color: var(--indigo-soft);
  font-family: var(--font-mono);
  font-size: 9.5px;
  cursor: pointer;
  min-width: 0;
}

.model-chip-btn span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.run-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  background: var(--primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  flex-shrink: 0;
}

.run-button:hover {
  background: var(--secondary);
}

/* Right Workspace Files Inspector Panel (InspectorPanel.tsx L105) */
.app-inspector {
  background: var(--surface-lowest);
  border-left: 1px solid var(--line);
  display: none;
  flex-direction: column;
  min-width: 0;
}

.app-layout.inspector-open .app-inspector {
  display: flex;
}

.inspector-head {
  height: 36px;
  padding: 0 9px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.inspector-title {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
}

.inspector-title svg {
  color: var(--indigo-soft);
  flex-shrink: 0;
}

.ins-close-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 3px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.ins-close-btn:hover {
  color: var(--text);
  background: var(--surface);
}

.inspector-body {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ins-crumb {
  padding: 4px 7px;
  border-radius: 5px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  color: var(--indigo-soft);
}

.ins-filter {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 4px 7px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 9.5px;
}

.ins-filter::placeholder {
  color: var(--subtle);
}

.ins-tree {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ins-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 5px;
  border-radius: 5px;
  border: 0;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--muted);
  text-align: left;
  min-width: 0;
}

.ins-dir svg {
  color: var(--indigo-soft);
  flex-shrink: 0;
}

.ins-file {
  cursor: pointer;
}

.ins-file:hover {
  background: var(--surface);
  color: var(--text);
}

.ins-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.ins-dot-code {
  flex: 0 0 auto !important;
  font-size: 8px;
  color: var(--tertiary);
}

.ins-copy {
  font-style: normal;
  font-size: 8.5px;
  color: var(--indigo-soft);
  flex-shrink: 0;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: opacity 0.15s ease;
}

.ins-file:hover .ins-copy,
.ins-file:focus-visible .ins-copy,
.ins-file.copied .ins-copy {
  opacity: 1;
  max-width: 48px;
}

.ins-file.copied .ins-copy {
  color: var(--emerald);
  font-weight: 600;
}

/* Providers preview pane */
.routing-banner {
  background: var(--banner-info-bg);
  border: 1px solid var(--banner-info-border);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 11.5px;
  color: var(--banner-info-text);
}

.routing-banner.failover-active {
  background: var(--banner-warn-bg);
  border-color: var(--banner-warn-border);
  color: var(--banner-warn-text);
}

.provider-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.provider-mini-card {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px;
}

.provider-mini-card.active {
  border-color: rgba(56, 189, 248, 0.4);
  background: var(--surface-high);
}

.provider-mini-card.cooldown {
  border-color: rgba(248, 113, 113, 0.4);
  opacity: 0.85;
}

.provider-mini-card strong {
  display: block;
  font-size: 11.5px;
  color: var(--text);
}

.provider-mini-card small {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--muted);
}

.pv-state {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--surface-lowest);
  color: var(--muted);
}

.pv-state.ok {
  background: rgba(52, 211, 153, 0.14);
  color: var(--emerald);
}

.pv-state.warn {
  background: rgba(248, 113, 113, 0.15);
  color: var(--error);
}

/* Permission modal preview pane */
.risk-pill {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--banner-warn-bg);
  border: 1px solid var(--banner-warn-border);
  color: var(--banner-warn-text);
}

.perm-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.perm-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.perm-row span {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--subtle);
  text-transform: uppercase;
}

.perm-row code {
  font-size: 11px;
  color: var(--text);
  background: var(--surface-lowest);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 9px;
  word-break: break-all;
}

.perm-result {
  font-size: 11.5px;
  padding: 9px 11px;
  border-radius: 8px;
  background: var(--perm-bg);
  border: 1px solid var(--perm-border);
  color: var(--perm-text);
}

.perm-result.approved {
  background: var(--perm-ok-bg);
  border-color: var(--perm-ok-border);
  color: var(--perm-ok-text);
}

.perm-result.tampered {
  background: var(--perm-err-bg);
  border-color: var(--perm-err-border);
  color: var(--perm-err-text);
}

.perm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Inline Permission Modal Backdrop inside .app-main */
.perm-modal-backdrop[hidden] {
  display: none !important;
}

.perm-modal-backdrop {
  position: absolute;
  inset: 0;
  z-index: 30;
  background: rgba(6, 7, 12, 0.72);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

[data-theme="light"] .perm-modal-backdrop {
  background: rgba(15, 23, 42, 0.36);
}

.perm-modal-card {
  width: 100%;
  max-width: 410px;
  box-shadow: var(--window-shadow);
}

.perm-head-right {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Settings preview pane */
.settings-preview-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-section-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px 12px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.settings-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11.5px;
  color: var(--text);
}

.settings-theme-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Quotas preview pane */
.tiny-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
}

.quota-cards {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.quota-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 12px;
}

.quota-head {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  margin-bottom: 7px;
}

.quota-head strong {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--tertiary);
}

.quota-bar {
  height: 7px;
  background: var(--surface-lowest);
  border-radius: 999px;
  overflow: hidden;
}

.quota-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.quota-bar.cyan span {
  background: linear-gradient(90deg, var(--secondary), var(--tertiary));
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px;
}

.stat-card small {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--subtle);
}

.stat-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  margin: 4px 0 2px;
  color: var(--text);
}

.stat-card em {
  font-style: normal;
  font-size: 10px;
  color: var(--muted);
}

/* Shared Section Headings */
.section-heading {
  max-width: 680px;
}

.section-heading h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.07;
  letter-spacing: -0.035em;
  margin: 14px 0 14px;
}

.section-heading p {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* Providers Section */
.providers-section {
  padding: 64px 0 36px;
}

.provider-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 12px;
}

.provider-tile {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 15px;
  border-radius: var(--radius-md);
  background: var(--card-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  font-size: 13.5px;
  font-weight: 500;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.provider-tile:hover {
  border-color: rgba(129, 140, 248, 0.4);
  background: var(--card-glass-hover);
  transform: translateY(-2px);
}

.provider-tile img {
  flex-shrink: 0;
}

/* Core Capabilities Grid */
.features {
  padding: 56px 0 72px;
}

.feature-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.feature-card:hover {
  border-color: var(--line-strong);
  background: var(--card-glass-hover);
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.indigo-bg {
  background: var(--active-nav-bg);
  color: var(--indigo-soft);
}

.cyan-bg {
  background: var(--banner-info-bg);
  color: var(--tertiary);
}

.amber-bg {
  background: var(--banner-warn-bg);
  color: var(--amber);
}

.emerald-bg {
  background: var(--perm-ok-bg);
  color: var(--emerald);
}

.violet-bg {
  background: rgba(168, 85, 247, 0.16);
  color: #9333ea;
}

[data-theme="dark"] .violet-bg,
:root:not([data-theme="light"]) .violet-bg {
  color: #d8b4fe;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.62;
  color: var(--muted);
  margin: 0;
}

.feature-card code {
  font-size: 12.5px;
  color: var(--code-accent);
  background: var(--perm-bg);
  padding: 1px 5px;
  border-radius: 4px;
}

.features-docs-note {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--muted);
}

.features-docs-note a {
  color: var(--tertiary);
  font-weight: 500;
}

.features-docs-note a:hover {
  text-decoration: underline;
}

/* Download Center */
.download-section {
  padding: 92px 0 96px;
}

.download-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 64px 28px;
  border-radius: 20px;
  border: 1px solid var(--active-nav-border);
  background: var(--download-bg);
}

.download-card .eyebrow {
  justify-content: center;
}

.download-card h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.07;
  letter-spacing: -0.035em;
  margin: 16px 0 12px;
}

.download-lede {
  color: var(--muted);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 26px;
}

.os-tabs {
  display: inline-flex;
  padding: 4px;
  border-radius: 11px;
  background: var(--surface-lowest);
  border: 1px solid var(--line-strong);
  margin-bottom: 24px;
}

.os-tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}

.os-tab.active {
  background: var(--primary);
  color: #ffffff;
}

.os-panel {
  display: none;
  max-width: 720px;
  margin-inline: auto;
}

.os-panel.active {
  display: block;
}

.download-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.verify-box {
  margin-top: 20px;
  padding: 11px 14px;
  border-radius: 10px;
  background: var(--surface-lowest);
  border: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
}

.verify-label {
  color: var(--muted);
}

.verify-box code {
  color: var(--tertiary);
  font-size: 11.5px;
  word-break: break-all;
}

.copy-btn {
  border: 1px solid var(--line-strong);
  background: var(--surface-high);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.copy-btn:hover {
  border-color: var(--tertiary);
}

.smartscreen-tip {
  margin: 12px auto 0;
  font-size: 12.5px;
  color: var(--muted);
  max-width: 620px;
}

.smartscreen-tip code {
  font-size: 11.5px;
  color: var(--code-accent);
}

.release-links-row {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo-soft);
}

.release-links-row a:hover {
  text-decoration: underline;
  color: var(--tertiary);
}

.release-preview-banner {
  margin: 24px auto 0;
  max-width: 680px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--preview-banner-bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  text-align: left;
}

.preview-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--active-nav-bg);
  color: var(--active-nav-text);
  flex-shrink: 0;
}

.release-preview-banner p {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  flex: 1;
  min-width: 220px;
}

.release-preview-banner code {
  color: var(--text);
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

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

.not-found {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Responsive Breakpoints */
@media (max-width: 1140px) {
  .app-layout.inspector-open {
    grid-template-columns: 144px minmax(0, 1fr);
  }

  .app-inspector {
    display: none !important;
  }
}

@media (max-width: 1080px) {
  .site-header {
    gap: 14px;
  }

  .nav-links {
    gap: 18px;
    font-size: 13px;
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 56px 0 70px;
    gap: 44px;
  }

  .hero-copy {
    max-width: 640px;
  }

  .app-window-wrap {
    max-width: 680px;
    width: 100%;
    margin-inline: auto;
  }

  .app-window {
    transform: rotateY(-2.5deg) rotateX(1.5deg);
  }

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

@media (max-width: 920px) {
  .mobile-menu {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--surface-low);
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--window-shadow);
  }

  .nav-links.open {
    display: flex;
  }
}

@media (max-width: 720px) {
  .section-wrap,
  .site-header {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    height: 70px;
  }

  .header-download {
    display: none;
  }

  .nav-links {
    top: 72px;
  }

  .hero {
    padding: 40px 0 56px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .app-layout,
  .app-layout.inspector-open {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .app-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px;
  }

  .project-pill,
  .recent-chats,
  .side-add,
  .sidebar-bottom {
    display: none;
  }

  .side-nav-scroll {
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
    gap: 4px;
  }

  .side-item {
    width: auto;
    flex: 1 1 auto;
    justify-content: center;
    padding: 6px 8px;
    border-left: 0;
    border-bottom: 2px solid transparent;
    font-size: 10.5px;
  }

  .side-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--primary);
  }

  .provider-mini-grid,
  .feature-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .download-card {
    padding: 44px 18px;
  }

  .window-brand-pill small {
    display: none;
  }

  .app-window,
  .app-window:hover,
  .app-window:focus-within {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-window,
  [data-reveal] {
    transition: none !important;
    animation: none !important;
  }
}

/* Scroll-Triggered Reveal Choreography */
html.anim-ready [data-reveal] {
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  transition:
    opacity 0.62s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
    transform 0.68s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
}

html.anim-ready [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Custom Theme Circle Cursor (fine mouse pointers with motion allowed) */
.cursor-layer {
  display: none;
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .cursor-layer {
    display: block;
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.2s ease;
  }

  .cursor-layer.is-visible {
    opacity: 1;
  }

  body.has-custom-cursor,
  body.has-custom-cursor a,
  body.has-custom-cursor button,
  body.has-custom-cursor [role="tab"],
  body.has-custom-cursor [role="button"],
  body.has-custom-cursor .provider-tile {
    cursor: none;
  }

  .cursor-ring,
  .cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform;
  }

  .cursor-ring {
    width: 34px;
    height: 34px;
    margin: -17px 0 0 -17px;
    border: 1.5px solid rgba(56, 189, 248, 0.58);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(56, 189, 248, 0.03) 70%, transparent 100%);
    box-shadow:
      0 0 18px rgba(56, 189, 248, 0.2),
      inset 0 0 10px rgba(99, 102, 241, 0.12);
    transition:
      width 0.2s cubic-bezier(0.22, 1, 0.36, 1),
      height 0.2s cubic-bezier(0.22, 1, 0.36, 1),
      margin 0.2s cubic-bezier(0.22, 1, 0.36, 1),
      border-color 0.2s ease,
      background 0.2s ease,
      box-shadow 0.2s ease,
      opacity 0.2s ease;
  }

  .cursor-dot {
    width: 7px;
    height: 7px;
    margin: -3.5px 0 0 -3.5px;
    background: linear-gradient(135deg, var(--indigo-soft), var(--tertiary));
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.85);
    transition:
      width 0.16s ease,
      height 0.16s ease,
      margin 0.16s ease,
      background 0.16s ease,
      box-shadow 0.16s ease;
  }

  .cursor-layer.is-hovering .cursor-ring {
    width: 48px;
    height: 48px;
    margin: -24px 0 0 -24px;
    border-color: rgba(129, 140, 248, 0.88);
    background: radial-gradient(circle, rgba(79, 70, 229, 0.18) 0%, rgba(56, 189, 248, 0.08) 72%, transparent 100%);
    box-shadow:
      0 0 24px rgba(99, 102, 241, 0.36),
      inset 0 0 14px rgba(56, 189, 248, 0.16);
  }

  .cursor-layer.is-hovering .cursor-dot {
    width: 5px;
    height: 5px;
    margin: -2.5px 0 0 -2.5px;
    background: var(--tertiary);
  }

  .cursor-layer.is-text .cursor-ring {
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border-color: rgba(56, 189, 248, 0.35);
    opacity: 0.55;
  }

  .cursor-layer.is-pressed .cursor-ring {
    width: 28px;
    height: 28px;
    margin: -14px 0 0 -14px;
    border-color: var(--tertiary);
    background: rgba(56, 189, 248, 0.18);
  }

  .cursor-layer.is-pressed .cursor-dot {
    width: 9px;
    height: 9px;
    margin: -4.5px 0 0 -4.5px;
  }

  [data-theme="light"] .cursor-ring {
    border-color: rgba(79, 70, 229, 0.62);
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, rgba(2, 132, 199, 0.04) 70%, transparent 100%);
    box-shadow:
      0 0 16px rgba(79, 70, 229, 0.18),
      inset 0 0 8px rgba(2, 132, 199, 0.08);
  }

  [data-theme="light"] .cursor-dot {
    background: linear-gradient(135deg, #4f46e5, #0284c7);
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.45);
  }

  [data-theme="light"] .cursor-layer.is-hovering .cursor-ring {
    border-color: rgba(79, 70, 229, 0.9);
    background: radial-gradient(circle, rgba(79, 70, 229, 0.16) 0%, rgba(2, 132, 199, 0.08) 72%, transparent 100%);
    box-shadow: 0 0 22px rgba(79, 70, 229, 0.28);
  }

  [data-theme="light"] .cursor-layer.is-text .cursor-ring {
    border-color: rgba(2, 132, 199, 0.45);
  }
}