/* 多语在线翻译工具样式 */
.tr-app {
  max-width: 960px;
  margin: 0 auto;
  font-size: 15px;
  color: #2a2a2a;
}

.tr-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  margin-bottom: 1.1rem;
  border-radius: 8px;
  background: #eef4ff;
  border: 1px solid #cfe0ff;
  color: #1f4fa8;
  font-size: 0.86rem;
}
.tr-banner i { color: #2f6fde; }

.tr-langbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.tr-select {
  flex: 1 1 200px;
  min-width: 160px;
  padding: 0.55rem 0.7rem;
  border: 1px solid #cfd6e4;
  border-radius: 8px;
  background: #fff;
  color: #2a2a2a;
  font-size: 0.95rem;
  cursor: pointer;
  outline: none;
}
.tr-select:focus { border-color: #2f6fde; box-shadow: 0 0 0 2px rgba(47,111,222,0.15); }

.tr-enginebar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
  flex-wrap: wrap;
}
.tr-engine-label {
  font-size: 0.85rem;
  color: #667;
  white-space: nowrap;
}
.tr-engine-select { flex: 1 1 260px; min-width: 200px; }

.tr-usage {
  font-size: 0.78rem;
  color: #8893a7;
  margin-bottom: 0.5rem;
  line-height: 1.7;
}
.tr-usage .tr-quota-ok { color: #2e9e5b; }
.tr-usage .tr-quota-warn { color: #d98a00; font-weight: 600; }
.tr-usage .tr-quota-none { color: #aab; }

.tr-swap {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #cfd6e4;
  background: #fff;
  color: #2f6fde;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.2s;
}
.tr-swap:hover { background: #eef4ff; }
.tr-swap:active { transform: rotate(180deg); }

.tr-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 680px) {
  .tr-panels { grid-template-columns: 1fr; }
}

.tr-panel {
  display: flex;
  flex-direction: column;
  border: 1px solid #e2e6ef;
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  min-height: 220px;
}

.tr-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid #eef1f6;
  background: #fafbfe;
  font-size: 0.82rem;
  color: #667;
}
.tr-panel-head .tr-langname { font-weight: 600; color: #445; }
.tr-panel-head .tr-actions { display: flex; gap: 0.35rem; }
.tr-icon-btn {
  border: none;
  background: transparent;
  color: #8893a7;
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0.2rem 0.35rem;
  border-radius: 6px;
}
.tr-icon-btn:hover { background: #eef1f6; color: #2f6fde; }

.tr-input,
.tr-output {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  padding: 0.9rem 0.95rem;
  font-size: 1rem;
  line-height: 1.6;
  font-family: inherit;
  color: #2a2a2a;
  background: transparent;
  min-height: 160px;
}
.tr-output {
  white-space: pre-wrap;
  overflow-y: auto;
  word-break: break-word;
}
.tr-output.tr-placeholder { color: #aab; }

.tr-panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.8rem;
  border-top: 1px solid #eef1f6;
  background: #fafbfe;
  font-size: 0.76rem;
  color: #99a;
}
.tr-loading { color: #2f6fde; }
.tr-source { color: #8893a7; }

.tr-detect {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  color: #667;
}
.tr-detect b { color: #2f6fde; }

.tr-actions-row {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.9rem;
  flex-wrap: wrap;
}
.tr-btn {
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  border: 1px solid #cfd6e4;
  background: #fff;
  color: #2a2a2a;
  cursor: pointer;
  font-size: 0.92rem;
}
.tr-btn:hover { background: #f4f7fc; }
.tr-btn-primary {
  background: #2f6fde;
  border-color: #2f6fde;
  color: #fff;
}
.tr-btn-primary:hover { background: #2a63c8; }

.tr-error {
  margin-top: 0.8rem;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: #fff3f3;
  border: 1px solid #ffd0d0;
  color: #c0392b;
  font-size: 0.86rem;
  display: none;
}
.tr-error.show { display: block; }