/* Mandarin Stack — Translator. Mirrors the layout idioms of Dictionary
   (sidebar 300px, mobile drawer at ≤820px) so the chrome feels uniform. */

.translate-page { overscroll-behavior-y: contain; }

.translate-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  height: calc(100dvh - var(--header-h, 60px));
}

.translate-sidebar {
  border-right: 1px solid var(--bs-border-color);
  background: #fff;
  overflow-y: auto;
  min-height: 0;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.translate-sidebar-section .label {
  display: block;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--bs-secondary-color);
  font-weight: 600;
  margin-bottom: .35rem;
}

.translate-engine-card {
  border: 1px solid var(--bs-border-color);
  background: #fafbfd;
  border-radius: .55rem;
  padding: .55rem .65rem;
}
.translate-engine-state {
  font-size: .9rem;
  font-weight: 500;
}
.translate-engine-meta { line-height: 1.35; }
.translate-progress .progress { height: .55rem; }

.translate-recent {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.translate-recent-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  border-radius: .35rem;
  padding: .4rem .55rem;
  text-align: left;
  cursor: pointer;
  font-size: .85rem;
  color: inherit;
  transition: background .12s ease, border-color .12s ease;
  gap: .1rem;
}
.translate-recent-link:hover {
  background: #f0f5ff;
  border-color: #d6e3ff;
}
.translate-recent-src {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.translate-recent-tgt {
  color: var(--bs-secondary-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Main pane ---------- */

.translate-main {
  overflow-y: auto;
  min-height: 0;
  padding: 1.25rem 1.5rem;
  background: var(--app-bg, #f7f7f9);
}

.translate-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  height: 100%;
  min-height: 0;
}

.translate-panel {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--bs-border-color);
  border-radius: .75rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  overflow: hidden;
  min-height: 320px;
}

.translate-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--bs-border-color);
  background: #fbfcfe;
}
.translate-panel-lang {
  font-family: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC','Source Han Sans SC',sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a2332;
}
.translate-panel-meta {
  font-size: .8rem;
  color: var(--bs-secondary-color);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.translate-textarea {
  flex: 1;
  border: 0;
  resize: none;
  padding: 1rem;
  font-size: 1.1rem;
  line-height: 1.55;
  font-family: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC','Source Han Sans SC',var(--bs-body-font-family, sans-serif);
  outline: 0;
  background: #fff;
  min-height: 200px;
}

.translate-output {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  font-size: 1.1rem;
  line-height: 1.55;
  font-family: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC','Source Han Sans SC',var(--bs-body-font-family, sans-serif);
  min-height: 200px;
}
.translate-output-empty {
  font-size: .9rem;
  font-style: italic;
}

.translate-panel-foot {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  padding: .55rem .75rem;
  background: #fbfcfe;
  border-top: 1px solid var(--bs-border-color);
}

/* ---------- Mobile ---------- */

@media (max-width: 820px) {
  .translate-layout {
    grid-template-columns: 1fr;
  }
  .translate-sidebar {
    position: fixed;
    top: var(--header-h, 60px);
    left: 0;
    width: 86%;
    max-width: 360px;
    height: calc(100dvh - var(--header-h, 60px));
    transform: translateX(-100%);
    transition: transform .22s ease;
    z-index: 30;
    box-shadow: 4px 0 12px rgba(0,0,0,.08);
  }
  .translate-sidebar.open { transform: translateX(0); }
  .translate-main { padding: 1rem 1.1rem; }
  .translate-panels {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1rem;
  }
  .translate-panel { min-height: 220px; }
}