.ai-translate-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 108px;
  min-height: 36px;
  padding: 0 14px;
  color: #3f321d;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
  border: 1px solid #9f7530;
  border-radius: 4px;
  background: linear-gradient(180deg, #f6dfa0, #dfb85f);
  cursor: pointer;
  transition: background-color .18s ease, transform .18s ease;
}

.ai-translate-tab:hover:not(:disabled) {
  background: linear-gradient(180deg, #f8e8b5, #e5c371);
  transform: translateY(-1px);
}

.ai-translate-tab:focus-visible {
  outline: 3px solid rgba(193, 138, 53, .42);
  outline-offset: 3px;
}

.ai-translate-tab:disabled {
  cursor: wait;
}

.ai-tab-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #2f6b3a;
  box-shadow: 0 0 0 4px rgba(47, 107, 58, .14);
}

.ai-translate-tab.is-translating .ai-tab-dot {
  animation: ai-pulse 1.1s ease-in-out infinite;
}

body.has-ai-dialog {
  overflow: hidden;
}

.ai-dialog {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
}

.ai-dialog[hidden] {
  display: none;
}

.ai-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(32, 42, 31, .66);
  backdrop-filter: blur(3px);
}

.ai-dialog-panel {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 40px);
  padding: 26px;
  overflow: auto;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper-soft);
  box-shadow: 0 24px 70px rgba(28, 37, 25, .34);
}

.ai-dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  color: var(--muted);
  font: inherit;
  font-size: 25px;
  line-height: 1;
  border: 0;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
}

.ai-dialog-close:hover:not(:disabled) {
  color: var(--ink);
  background: rgba(82, 122, 67, .1);
}

.ai-dialog-close:disabled {
  cursor: wait;
  opacity: .45;
}

.ai-dialog-heading h2 {
  margin: 6px 44px 8px 0;
  color: var(--green-dark);
  font-size: 24px;
  letter-spacing: 0;
}

.ai-dialog-heading p {
  margin: 0 44px 18px 0;
  color: var(--muted);
  line-height: 1.65;
}

.ai-dialog-kicker {
  color: #8a601e;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
}

.ai-progress-track {
  position: relative;
  height: 6px;
  overflow: hidden;
  border-radius: 3px;
  background: #e5dfcc;
}

.ai-progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: #4f7c43;
  transition: width .25s ease;
}

.ai-progress-track.is-indeterminate span {
  width: 38%;
  animation: ai-progress 1.25s ease-in-out infinite;
}

.ai-progress-track.is-complete span {
  width: 100%;
  background: #2f6b3a;
}

.ai-progress-track.is-error span {
  background: var(--danger);
}

.ai-translation-progress {
  min-height: 24px;
  margin-top: 12px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.ai-translation-progress.is-error {
  color: var(--danger);
}

.ai-translation-items {
  max-height: 310px;
  margin: 8px 0 0;
  padding: 0;
  overflow: auto;
  list-style: none;
  border-top: 1px solid var(--line);
}

.ai-translation-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 14px;
  min-height: 58px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
}

.ai-translation-item-title {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ai-translation-item-id {
  grid-row: 2;
  color: var(--muted);
  font-size: 12px;
}

.ai-translation-item-status {
  grid-row: 1 / span 2;
  grid-column: 2;
  align-self: center;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.ai-translation-item.is-done .ai-translation-item-status {
  color: #2f6b3a;
}

.ai-translation-item.is-error .ai-translation-item-status {
  color: var(--danger);
}

.ai-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
  margin-top: 18px;
}

.ai-primary-button,
.ai-secondary-button {
  min-width: 88px;
  min-height: 40px;
  padding: 0 16px;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  border-radius: 5px;
  cursor: pointer;
}

.ai-primary-button {
  color: #fff;
  border: 1px solid #214c2c;
  background: #2f6b3a;
}

.ai-secondary-button {
  color: var(--ink);
  border: 1px solid var(--line-strong);
  background: #fffaf0;
}

.ai-translated-mark,
.ai-translating-mark {
  flex: 0 0 auto;
  padding: 2px 5px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  border-radius: 4px;
}

.ai-translated-mark {
  color: #5d4319;
  border: 1px solid #d3af65;
  background: #f5db94;
}

.ai-translating-mark {
  color: #fff;
  border: 1px solid #2f6b3a;
  background: #4f7c43;
  animation: ai-pulse 1.1s ease-in-out infinite;
}

.article-card.is-ai-translating .article-title {
  opacity: .72;
}

@keyframes ai-pulse {
  0%, 100% { opacity: .52; }
  50% { opacity: 1; }
}

@keyframes ai-progress {
  0% { transform: translateX(-115%); }
  100% { transform: translateX(285%); }
}

@media (max-width: 680px) {
  .ai-translate-tab {
    width: 100%;
    min-width: 0;
    padding: 0 8px;
  }

  .ai-dialog {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .ai-dialog-panel {
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
    padding: 20px 16px;
    overscroll-behavior: contain;
  }

  .ai-dialog-heading h2 {
    font-size: 21px;
  }

  .ai-dialog-heading p {
    margin-right: 34px;
  }

  .ai-dialog-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .ai-primary-button,
  .ai-secondary-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-translate-tab,
  .ai-progress-track span,
  .ai-translating-mark,
  .ai-translate-tab.is-translating .ai-tab-dot {
    animation: none;
    transition: none;
  }
}