.window-chrome {
  flex: 0 0 var(--chrome-h);
  height: var(--chrome-h);
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  background: #000000;
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
}
.window-chrome-drag {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  padding-left: 1rem;
  -webkit-app-region: drag;
  cursor: default;
}

.window-chrome-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  pointer-events: none;
}

.window-chrome-mark {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.35rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.window-chrome-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.window-chrome-mark svg {
  width: 0.7rem;
  height: 0.7rem;
  color: var(--text);
}

.window-chrome-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.window-chrome-title strong {
  color: var(--text);
  font-weight: 600;
}

.window-chrome-toolbar {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0 0.35rem;
  -webkit-app-region: no-drag;
  border-left: 1px solid var(--glass-border);
}

.chrome-tool-btn {
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.chrome-tool-btn svg {
  width: 0.85rem;
  height: 0.85rem;
}

.chrome-tool-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.window-chrome-controls {
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
  -webkit-app-region: no-drag;
}

.win-ctrl {
  width: 46px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.win-ctrl svg {
  width: 0.8rem;
  height: 0.8rem;
}

.win-ctrl:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.win-ctrl--close:hover {
  background: #dc2626;
  color: #fff;
}

.update-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(255, 255, 255, 0.06), transparent 55%),
    rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(16px);
}

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

.update-overlay__card {
  width: min(440px, calc(100vw - 2rem));
  padding: 1.75rem 1.6rem 1.45rem;
  border-radius: 20px;
  background: linear-gradient(180deg, #121212 0%, #0a0a0a 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
  text-align: left;
  color: #f5f5f5;
}

.update-overlay__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.1rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a1a1aa;
}

.update-overlay__brand img {
  display: block;
  border-radius: 10px;
}

.update-overlay__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #71717a;
}

.update-overlay__card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.28rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.update-overlay__text {
  margin: 0 0 1.15rem !important;
  color: #a1a1aa !important;
  font-size: 0.9rem !important;
  line-height: 1.5 !important;
}

.update-overlay__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.update-overlay__meta > div span {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #71717a;
  margin-bottom: 0.15rem;
}

.update-overlay__meta > div strong {
  font-size: 0.92rem;
  font-weight: 650;
}

.update-overlay__meta-arrow {
  color: #52525b;
  font-size: 1rem;
}

.update-overlay__steps {
  list-style: none;
  display: flex;
  gap: 0.4rem;
  margin: 0 0 1rem;
  padding: 0;
}

.update-overlay__steps li {
  flex: 1;
  text-align: center;
  font-size: 0.65rem;
  letter-spacing: 0.02em;
  color: #52525b;
  padding: 0.45rem 0.25rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(255, 255, 255, 0.02);
}

.update-overlay__steps li.is-active {
  color: #fafafa;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}

.update-overlay__steps li.is-done {
  color: #a1a1aa;
  border-color: rgba(255, 255, 255, 0.1);
}

.update-overlay__bar {
  height: 6px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-bottom: 0.45rem;
}

.update-overlay__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #e4e4e7, #fff);
  transition: width 0.2s ease;
}

.update-overlay__pct {
  font-size: 0.78rem !important;
  color: #a1a1aa !important;
  margin: 0 0 0.75rem !important;
}

.update-overlay__note {
  margin: 0 0 1rem !important;
  font-size: 0.75rem !important;
  color: #71717a !important;
  line-height: 1.45 !important;
}

.update-overlay__btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  font-weight: 650;
  font-size: 0.92rem;
  background: #fff;
  color: #0a0a0a;
}

.update-overlay__btn:disabled {
  opacity: 0.65;
  cursor: default;
}

body.update-locked #view-settings,
body.update-locked #btn-settings {
  pointer-events: none;
  opacity: 0.4;
}