/* lesson-dict 单词级双语词典气泡样式 */

.lesson-dict-tooltip {
  position: fixed;
  z-index: 100000;
  max-width: 360px;
  min-width: 200px;
  background: #ffffff;
  color: #1f2937;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 12px 14px 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.55;
  box-shadow:
    0 12px 28px rgba(15, 23, 42, 0.18),
    0 2px 6px rgba(15, 23, 42, 0.08);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}

.lesson-dict-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* 头部:单词 + 发音按钮 */
.lesson-dict-tooltip .ldt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.lesson-dict-tooltip .ldt-word {
  font-size: 17px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.2px;
}

.lesson-dict-tooltip .ldt-tts {
  flex: none;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.35);
}

.lesson-dict-tooltip .ldt-tts:hover {
  transform: scale(1.06);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.45);
}

.lesson-dict-tooltip .ldt-tts:active {
  transform: scale(0.94);
}

/* 单条释义 */
.lesson-dict-tooltip .ldt-sense {
  margin-top: 8px;
}

.lesson-dict-tooltip .ldt-sense:first-of-type {
  margin-top: 0;
}

.lesson-dict-tooltip .ldt-line1 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}

.lesson-dict-tooltip .ldt-pos {
  display: inline-block;
  flex: none;
  padding: 1px 7px;
  border-radius: 4px;
  background: #eef2ff;
  color: #4338ca;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.lesson-dict-tooltip .ldt-zh {
  font-size: 14px;
  color: #0f172a;
  font-weight: 600;
}

.lesson-dict-tooltip .ldt-en {
  color: #475569;
  font-size: 12.5px;
  line-height: 1.5;
  margin: 2px 0 4px;
}

.lesson-dict-tooltip .ldt-ex {
  margin-top: 6px;
  padding: 6px 8px;
  background: #f8fafc;
  border-left: 3px solid #93c5fd;
  border-radius: 0 6px 6px 0;
  font-size: 12px;
  line-height: 1.6;
  color: #334155;
}

.lesson-dict-tooltip .ldt-ex-mark {
  color: #2563eb;
  font-weight: 700;
  margin-right: 4px;
}

.lesson-dict-tooltip .ldt-ex-en {
  color: #1e293b;
  font-style: italic;
}

.lesson-dict-tooltip .ldt-ex-zh {
  color: #64748b;
  margin-left: 14px;
}

.lesson-dict-tooltip .ldt-more {
  margin-top: 6px;
  font-size: 11px;
  color: #94a3b8;
  text-align: right;
  font-style: italic;
}

/* 暗色主题(可由父容器加 .dark-mode 触发) */
@media (prefers-color-scheme: dark) {
  .lesson-dict-tooltip {
    background: #1e293b;
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.08);
  }
  .lesson-dict-tooltip .ldt-head {
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  .lesson-dict-tooltip .ldt-word { color: #f1f5f9; }
  .lesson-dict-tooltip .ldt-zh { color: #f1f5f9; }
  .lesson-dict-tooltip .ldt-en { color: #94a3b8; }
  .lesson-dict-tooltip .ldt-pos {
    background: rgba(99, 102, 241, 0.18);
    color: #c7d2fe;
  }
  .lesson-dict-tooltip .ldt-ex {
    background: rgba(255, 255, 255, 0.04);
    color: #cbd5e1;
    border-left-color: #60a5fa;
  }
  .lesson-dict-tooltip .ldt-ex-en { color: #e2e8f0; }
  .lesson-dict-tooltip .ldt-ex-zh { color: #94a3b8; }
}