.ycp-update-modal {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(31, 31, 31, .42);
  backdrop-filter: blur(2px);
}

.ycp-update-modal.show { display: flex; }
.ycp-update-modal[hidden] { display: none; }

.ycp-update-dialog {
  position: relative;
  width: min(100%, 348px);
  overflow: hidden;
  border: 1px solid var(--line-border);
  border-radius: 8px;
  background: var(--card-bg, #fff);
  box-shadow: 0 22px 58px rgba(0, 0, 0, .18);
  color: var(--ink-main, #1f1f1f);
  font-family: var(--font-body);
}

.ycp-update-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line-faint);
}

.ycp-update-brand {
  color: var(--ink-main);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 3px;
}

.ycp-update-content { padding: 24px 20px 20px; }

.ycp-update-kicker {
  margin-bottom: 7px;
  color: var(--cinnabar);
  font-size: 11px;
  letter-spacing: 2px;
}

.ycp-update-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: 1px;
}

.ycp-update-version {
  display: inline-block;
  margin-left: 5px;
  color: var(--cinnabar);
  font-family: Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0;
  vertical-align: 2px;
}

.ycp-update-message {
  min-height: 3.6em;
  margin: 14px 0 0;
  color: var(--ink-light);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-line;
}

.ycp-update-progress[hidden],
.ycp-update-actions[hidden] { display: none; }

.ycp-update-progress { margin-top: 20px; }

.ycp-update-progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--ink-light);
  font-size: 12px;
}

.ycp-update-percent {
  color: var(--ink-main);
  font-family: Arial, sans-serif;
  font-weight: 600;
}

.ycp-update-track {
  height: 5px;
  overflow: hidden;
  border-radius: 1px;
  background: var(--line-faint);
}

.ycp-update-bar {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--ink-main);
  transition: width .18s ease;
}

.ycp-update-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 22px;
}

.ycp-update-actions.single { grid-template-columns: 1fr; }

.ycp-update-button {
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-border);
  border-radius: 3px;
  background: var(--card-bg);
  color: var(--ink-main);
  font: inherit;
  font-size: 13px;
  letter-spacing: 1px;
}

.ycp-update-button-primary {
  border-color: var(--action-bg);
  background: var(--action-bg);
  color: var(--action-text);
}

.ycp-update-button:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.ycp-update-button:disabled { cursor: default; opacity: .55; }

@media (prefers-reduced-motion: reduce) {
  .ycp-update-bar { transition: none; }
}