/**
 * RoccOS Desktop, Dock, Menu Bar, Icons
 * Retro: solid surfaces, hard shadows, film grain, chunky borders
 */

/* ── Accessibility ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--os-accent);
  color: var(--os-accent-text);
  padding: var(--sp-2) var(--sp-4);
  z-index: var(--z-mega-menu-panel);
  font-family: var(--font-system);
}

.skip-link:focus {
  top: 0;
}

.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;
}

/* ── Desktop ── */
.desktop {
  position: fixed;
  z-index: var(--z-desktop);
  overflow: hidden;
  font-family: var(--font-system);
  color: var(--os-text);
  user-select: none;
  -webkit-user-select: none;

  /* Lock to monitor aspect-ratio and scale-to-fit */
  aspect-ratio: 16 / 10;
  width: 100vw;
  max-height: 100vh;
  max-height: 100dvh;
  max-width: 100vw;
  /* Center in viewport */
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ── CRT Screen Overlay — rounded edges, scanlines ── */
.desktop::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: var(--z-crt-overlay);
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg,
      transparent 0px,
      transparent 2px,
      rgba(0, 0, 0, 0.03) 2px,
      rgba(0, 0, 0, 0.03) 4px);
  border: 3px solid #2B5052;
}

/* ── CRT Screen Glare — specular highlight + top edge gleam ── */
.crt-glare {
  position: absolute;
  inset: 0;
  z-index: var(--z-crt-overlay);
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 35% 25%,
      rgba(var(--crt-glare-color), 0.07) 0%,
      rgba(var(--crt-glare-color), 0.03) 40%,
      transparent 100%),
    radial-gradient(ellipse 90% 25% at 50% 6%,
      rgba(var(--crt-glare-color), 0.045) 0%,
      transparent 100%);
}

.crt-glare::after {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(var(--crt-gleam-color), 0.1) 20%,
      rgba(var(--crt-gleam-color), 0.18) 50%,
      rgba(var(--crt-gleam-color), 0.1) 80%,
      transparent 100%);
}

[data-theme="retro"] .crt-glare::after {
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(var(--crt-gleam-color), 0.15) 20%,
      rgba(var(--crt-gleam-color), 0.25) 50%,
      rgba(var(--crt-gleam-color), 0.15) 80%,
      transparent 100%);
}

/* ── Wallpaper ── */
.wallpaper {
  position: absolute;
  inset: 0;
  z-index: var(--z-wallpaper);
  background-color: var(--os-desktop-bg);
  transition: background-color 0.5s var(--ease-in-out);
}

.wallpaper[data-time="custom"] {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ShaderMount auto-created canvas */
#wallpaper canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

/* ── Menu Bar — solid, no glass ── */
.menu-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--menu-bar-height);
  z-index: var(--z-menu-bar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-3);
  background: var(--os-menu-bg);
  border-bottom: 2px solid var(--os-menu-border);
  font-size: var(--text-xs);
  box-shadow: var(--shadow-sm);
}

.menu-bar-left,
.menu-bar-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.menu-bar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
}

.menu-bar-logo:hover {
  background: rgba(0, 0, 0, 0.08);
}

.menu-bar-logo img {
  width: 16px;
  height: 16px;
  border-radius: 2px;
}

.menu-bar-app-name {
  font-weight: var(--weight-bold);
  color: var(--os-menu-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: var(--text-xs);
}

.menu-bar-clock {
  color: var(--os-menu-text);
  opacity: 0.8;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* ── Menu Bar Quick Links ── */
.menu-bar-links {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.menu-bar-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: none;
  color: var(--os-menu-text);
  opacity: 0.7;
  cursor: pointer;
  transition: opacity var(--duration-fast);
  text-decoration: none;
}

.menu-bar-link:hover {
  opacity: 1;
}

/* ── Menu Bar Responsive ── */
@media (max-width: 900px) {
  .menu-bar-links {
    display: none;
  }
}

/* ── Desktop Icons — bigger, framed ── */
.desktop-icons {
  position: absolute;
  top: calc(var(--menu-bar-height) + var(--desktop-padding));
  right: var(--desktop-padding);
  bottom: calc(var(--dock-height) + var(--dock-padding) * 2 + var(--desktop-padding));
  z-index: var(--z-desktop-icons);
  display: grid;
  grid-template-rows: repeat(5, auto);
  grid-auto-flow: column;
  gap: var(--icon-grid-gap);
  padding: var(--sp-2);
  align-content: start;
  justify-items: center;
}

.desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  width: var(--icon-size);
  padding: var(--sp-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
    background-color 0.15s ease;
}

@media (hover: hover) {
  .desktop-icon:hover {
    transform: translateY(-2px) scale(1.03);
    background: var(--os-accent-muted);
  }
}

.desktop-icon:active {
  transform: translateY(0) scale(0.97);
  background: var(--os-accent-muted);
}

.desktop-icon.selected {
  background: var(--os-accent-muted);
  outline: 2px solid var(--os-accent);
  outline-offset: -2px;
}

.desktop-icon-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  pointer-events: none;
}

.desktop-icon-label {
  font-size: 10px;
  color: #fff;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--weight-semibold);
  text-shadow:
    0 1px 3px rgba(0, 0, 0, 0.9),
    0 0 6px rgba(0, 0, 0, 0.5);
}

[data-theme="retro"] .desktop-icon-label {
  color: #33ff33;
  text-shadow:
    0 1px 3px rgba(0, 0, 0, 0.9),
    0 0 6px rgba(0, 255, 0, 0.3);
}

/* ── Window Container ── */
.window-container {
  position: absolute;
  top: var(--menu-bar-height);
  left: 0;
  right: 0;
  bottom: calc(var(--dock-height) + var(--dock-padding) * 2);
  z-index: var(--z-windows);
  pointer-events: none;
}

/* ── Dock — solid, chunky ── */
.dock {
  position: absolute;
  bottom: var(--dock-padding);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-dock);
  display: flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-3);
  background: var(--os-dock-bg);
  border: 2px solid var(--os-dock-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  gap: var(--sp-1);
}

.dock-items {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-1);
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: var(--sp-1);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: transform 0.15s ease-out;
  position: relative;
}

@media (hover: hover) {
  .dock-item:hover {
    transform: translateY(-4px) scale(1.15);
  }

  /* Neighbor magnification via adjacent selectors */
  .dock-item:hover+.dock-item,
  .dock-item:has(+ .dock-item:hover) {
    transform: translateY(-2px) scale(1.05);
  }
}

.dock-item:active {
  transform: translateY(-2px) scale(1.05);
}

.dock-item-img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  pointer-events: none;
}

/* Running indicator — solid square, not circle */
.dock-item-dot {
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--os-accent);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.dock-item.running .dock-item-dot {
  opacity: 1;
}

/* ── Dock Badge ── */
.dock-item-badge {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--os-coral);
  color: #fff;
  font-size: 10px;
  font-weight: var(--weight-bold);
  font-family: var(--font-system);
  line-height: 18px;
  text-align: center;
  border-radius: var(--radius-full);
  border: 2px solid var(--os-dock-bg);
  z-index: 1;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
}

.dock-item-badge[hidden] {
  display: none;
}

.dock-item-label {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--sp-1) var(--sp-2);
  background: var(--os-surface-raised);
  color: var(--os-text);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
  border: 2px solid var(--os-border);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast);
  box-shadow: var(--shadow-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (hover: hover) {
  .dock-item:hover .dock-item-label {
    opacity: 1;
  }
}

.dock-separator {
  width: 2px;
  height: 32px;
  background: var(--os-border);
  margin: 0 var(--sp-1);
  pointer-events: none;
}

/* ── Context Menu — solid ── */
.context-menu {
  position: fixed;
  z-index: var(--z-context-menu);
  min-width: 180px;
  padding: var(--sp-1);
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.12s var(--ease-out);
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  border: none;
  background: none;
  color: var(--os-text);
  font-size: var(--text-sm);
  font-family: var(--font-system);
  width: 100%;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.context-menu-item:hover {
  background: var(--os-accent);
  color: var(--os-accent-text);
}

.context-menu-separator {
  height: 2px;
  background: var(--os-border-subtle);
  margin: var(--sp-1) var(--sp-2);
}

/* ── Toast Notifications — solid ── */
.toast-container {
  position: fixed;
  top: calc(var(--menu-bar-height) + var(--sp-3));
  right: var(--sp-4);
  z-index: var(--z-notification);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
}

@media (max-width: 767px) {
  .toast-container {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
  }
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  max-width: 320px;
  animation: slideInRight 0.3s var(--ease-out);
}

.toast-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.toast-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--os-text);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.toast-message {
  font-size: var(--text-xs);
  color: var(--os-text-secondary);
}

/* ── Spotlight Search (CMD+K) ── */
.spotlight-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-spotlight);
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20vh;
  animation: fadeIn 0.15s var(--ease-out);
}

.spotlight-dialog {
  width: 480px;
  max-width: 90vw;
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: scaleIn 0.15s var(--ease-spring);
}

.spotlight-input {
  width: 100%;
  padding: var(--sp-4) var(--sp-5);
  border: none;
  border-bottom: 2px solid var(--os-border-subtle);
  background: var(--os-surface-raised);
  color: var(--os-text);
  font-family: var(--font-system);
  font-size: var(--text-md);
  outline: none;
  box-sizing: border-box;
}

.spotlight-input::placeholder {
  color: var(--os-text-muted);
}

.spotlight-results {
  max-height: 320px;
  overflow-y: auto;
  padding: var(--sp-2);
}

.spotlight-result {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.spotlight-result:hover,
.spotlight-result.selected {
  background: var(--os-accent);
  color: var(--os-accent-text);
}

.spotlight-result.selected .spotlight-result-label {
  color: var(--os-accent-text);
}

.spotlight-result-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.spotlight-result-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--os-text);
}

.spotlight-empty {
  padding: var(--sp-4);
  text-align: center;
  color: var(--os-text-muted);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spotlight-overlay[hidden] {
  display: none;
}

/* ── Pixel Art Rendering — prevent anti-aliasing on downscaled sprites ── */
.desktop-icon-img,
.dock-item-img,
.boot-logo-img,
.gio-img,
.greta-sprite,
.finder-file-icon,
.about-award,
.spotlight-result-icon,
.toast-icon {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* ── Desktop Toast Notifications ── */
.desktop-toast {
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  box-shadow: var(--shadow-md);
  border-radius: 8px;
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-2);
  max-width: 300px;
  font-family: var(--font-system);
  pointer-events: auto;
}

.desktop-toast-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--os-text);
  margin-bottom: var(--sp-1);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.desktop-toast-body {
  font-size: var(--text-sm);
  color: var(--os-text-secondary);
  line-height: 1.4;
}

/* ── Notification Center ── */
.notification-center {
  position: fixed;
  top: calc(var(--menu-bar-height) + var(--sp-3));
  right: var(--sp-4);
  z-index: var(--z-notification);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
  max-width: 340px;
}

.notification {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  font-family: var(--font-system);
  opacity: 0;
  position: relative;
}

.notification:focus-visible {
  outline: 2px solid var(--os-accent);
  outline-offset: 2px;
}

.notification-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
}

.notification-icon img {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.notification-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.notification-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--os-text);
  letter-spacing: 0.3px;
}

.notification-body {
  font-size: var(--text-xs);
  color: var(--os-text-secondary);
  line-height: 1.4;
}

.notification-close {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  background: none;
  border: none;
  color: var(--os-text-secondary);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity 0.15s ease;
}

@media (hover: hover) {
  .notification:hover .notification-close {
    opacity: 1;
  }

  .notification-close:hover {
    background: var(--os-border-subtle);
    color: var(--os-text);
  }
}

/* Touch devices: always show close button */
@media (hover: none) {
  .notification-close {
    opacity: 0.6;
  }
}

/* Mobile: center-top instead of right */
@media (max-width: 640px) {
  .notification-center {
    right: var(--sp-3);
    left: var(--sp-3);
    max-width: none;
  }
}

/* ── Folder Popup ── */
.folder-popup {
  position: fixed;
  z-index: var(--z-context-menu);
  min-width: 220px;
  padding: var(--sp-3);
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.15s var(--ease-out);
}

.folder-popup::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--os-border);
}

.folder-popup::before {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 7px solid var(--os-surface);
  z-index: 1;
}

.folder-popup-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--os-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid var(--os-border-subtle);
}

.folder-popup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}

.folder-popup-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition: background var(--duration-fast);
}

.folder-popup-item:hover {
  background: var(--os-accent-muted);
}

.folder-popup-item-img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  pointer-events: none;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

.folder-popup-item-label {
  font-size: 9px;
  color: var(--os-text);
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-weight: var(--weight-semibold);
}

/* ── Spotlight Category Label ── */
.spotlight-result-category {
  font-size: var(--text-xs);
  color: var(--os-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-left: auto;
  flex-shrink: 0;
}

.spotlight-result.selected .spotlight-result-category {
  color: var(--os-accent-text);
  opacity: 0.7;
}

/* ── Dock Separator ── */
.dock-separator[hidden] {
  display: none;
}

/* ── Mobile Folder Overlay ── */
.mobile-folder-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s var(--ease-out);
}

.mobile-folder-panel {
  width: 85vw;
  max-width: 320px;
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-4);
  animation: scaleIn 0.15s var(--ease-out);
}

.mobile-folder-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--os-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
  margin-bottom: var(--sp-3);
}

.mobile-folder-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}

.mobile-folder-close {
  display: block;
  margin: var(--sp-3) auto 0;
  padding: var(--sp-2) var(--sp-4);
  background: none;
  border: 2px solid var(--os-border);
  border-radius: var(--radius-md);
  color: var(--os-text);
  font-family: var(--font-system);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
}

.mobile-folder-close:hover {
  background: var(--os-surface-hover);
}

/* ── Keyboard Shortcut Cheat Sheet ── */
.shortcut-help-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-spotlight);
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shortcut-help-overlay[hidden] {
  display: none;
}

.shortcut-help-dialog {
  width: 480px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--os-surface);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  font-family: var(--font-system);
}

.shortcut-help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 2px solid var(--os-border-subtle);
  background: var(--os-titlebar-bg);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.shortcut-help-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--os-titlebar-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.shortcut-help-close {
  background: none;
  border: none;
  color: var(--os-titlebar-text);
  font-size: 18px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.shortcut-help-close:hover {
  background: rgba(0, 0, 0, 0.1);
}

.shortcut-help-body {
  padding: var(--sp-3) var(--sp-4);
}

.shortcut-help-section {
  margin-bottom: var(--sp-4);
}

.shortcut-help-section:last-child {
  margin-bottom: 0;
}

.shortcut-help-section-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--os-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-1);
  border-bottom: 1px solid var(--os-border-subtle);
}

.shortcut-help-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-1) 0;
  gap: var(--sp-3);
}

.shortcut-help-keys {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.shortcut-help-keys kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  background: var(--os-surface-raised);
  border: 2px solid var(--os-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-family: var(--font-system);
  font-weight: var(--weight-semibold);
  color: var(--os-text);
  box-shadow: 0 2px 0 var(--os-border);
}

.shortcut-help-plus {
  font-size: 10px;
  color: var(--os-text-muted);
}

.shortcut-help-desc {
  font-size: var(--text-sm);
  color: var(--os-text-secondary);
  text-align: right;
}

/* ── Screensaver ── */
.screensaver-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: #000;
  cursor: none;
}

.screensaver-logo {
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  will-change: transform, filter;
  pointer-events: none;
}